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Home My WebLink AboutMisc - folder 2 of 3soc Page 1 of 1 Meins, Mike From: Lee Brannam [Lee@gmphomes.com] Sent: Monday, December 10, 2007 3:15 PM To: Meins, Mike Subject: FW: B07L0478 Good Morning Mike, I just wanted to follow up with you and some of the items on the punch list we all discussed at the walkthrough on site. You stated you would do some research on the fOllowing items and I was wondering if there was any update: ~ 501 -Correct misaligned riser section below CB lid in the following catch basins: CBs # 2, 5, 6, 9, & 12. You were going to discuss this issue with Tenzing? ~ 202 -Correct ponding in the curb in the following location (s): approx. Sta. 11+50 12.00' R and Sta 11+20 12,00' Lon 127th Ave. SE as per plans, You were going to discuss this with the utility companies to come up with solution? ~ 301 -The flow though extruded concrete curbs installed on 127th Ave. SE is not standard. Install as per 1993 KCRS or obtain variance. You were going to discuss this with Tenzing. ~v.J(~ Also, did you have a chance to respond to the email from Walter at DR Strong regarding adding the changes to the control structure to the current plan change (see attachment)? GMP Homes and DR Strong would really like to wrap-up all the issues on this project as soon as possible. Anything you can do to expedite this is greatly appreciated. Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 12/10/2007 Pagelofl Thinley, Tenzing From: Rettig, Brandy Sent: Friday, September 14, 2007 8:14 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite; Whiting, Kelly Subject: RE: La Fortuna Townhomes Hi Tenzing, Happy Friday' Thanks for the draft. I have three items to add please: I. Paint fog line per plans on 127th Ave. SE. (Sheet C5 of 9) 2. The driveway on 127th Ave. SE must have a 10' radius. 3. The flow through extruded concrete curbs installed on 127th Ave. SE are not standard. Either obtain a variance to use this curb type or remove and install standard concrete extruded curb. _ !,J<,:,,~ 5-n-J? w~J?? I have cc'd Kelly Whiting in case you would like to elevate any of these issues-Delite will be out of the office fo~ the next week on vacation. I've also included the photos I took the day of our meeting if you'd like copies of them for your files, Thanks, Brandy From: Thinley, Tenzing Sent: Wednesday, September 12, 2007 10:15 AM To: Rettig, Brandy Cc: Pray, Jeff; Morris, Delite Subject: RE: La Fortuna Townhomes Brandy: Here is my draft punchlist. Please send your comments. Tenzing From: Rettig, Brandy Sent: Tuesday, August 07, 20079:02 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite Subject: La Fortuna Townhomes Hi Tenzing, Delite has assigned me to La Fortuna Townhomes. Please let me know when you would like to meet. I'll be out of the office on August 10, 13 and 20th , just as a heads up. I look forward to hearing from you soon. Thanks! Brandy 11120/2007 Page 1 of 1 Meins, Mike From: Walter Shostak [waltshostak@drstrong.com] Sent: Tuesday, February 08, 2005 9:03 AM To: Olinares, Elena Subject: FW: La Fortuna -B03DC001 Elena: As a follow-up to our phone conversation, here are Jim Sanders' comments, with my response. I might add that I was under the impression that the Plans were essentially ready for approval, once the recorded offsite utility easement is provided, the Declaration of Covenant is revised, and the structural vault issues are addressed in revised structural plans. I believe that the issues raised by Jim Sanders were previously addressed during the review and resubmittal process. 1) Road 'A' will be a private road. A hammerhead turnaround is provided at the south terminus of the road in front of Bldg. No, 6, An additional hammerhead turnaround is available at the intersection of Road 'A' and Road 'B', ' 2) King County installed drainage improvements as part of a CIP in 1996 to rectify a drainage problem in 127th Ave SE, There are no documented drainage complaints related to 127th Ave SE after that CIP, The La Fortuna project Will provide a paved shoulder along the east margin of 127th Ave SE, as required per the Mitigated DNS, No regrading will occur to construct the paved shoulder, as it will match the existing grades and slopes, The shoulder will provide a safe llialkway from the Project to SE 172nd Street An extruded AC curb will separate the shoulder from the travelled way, T~e curb will have 0,5-ft openings spaced every 10 feet to allow for drainage to continue to flow as it does now, A catch basin is not necessary, since the offsite improvements in 127th Ave SE are very minor, water will not collect in the street or the shoulder, and a drainage problem does not exist in this area, 3) The Road 'A' centerline radius at the transition to 127th Ave SE is 90 ft" with a curb radius of66 ft. The minimum 35-ft. radius is provided on the Plans, Thanks, Walter J, Shostak, P,E, Project Engineer D. R.Strong Consulting Engineers Inc. 10604 N, E, 38th Place Suite 101 Kirkland, WA 98033 Business Phone (425)827-3063 Fax (425)827-2423 1-800-962-1402 03/0612008 Walter Shostak From: Sent: To: Subject: Walter Shostak Friday, September 14, 20074:39 PM 'tenzi ng. th i n ley@metrokc.gov' La Fortuna Attachments: Filter Strip Exhibit.pdf Hi Tenzing: Page 1 of 1 Attached is an asbuilt detail exhibit of the filter strip area. The asbuilt compensatory storage area ground shots appear to be at the correct elevations per the approved design. The detention vault is a private system to be maintained by the HOA. The system is constructed per the approved plans. An access road is incompatible with the required recreation area, and was not required for construction plan approval. We'll be submitting the asbuilts next week. Let me know if you need any additional information for the filter strip. Thanks, D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Please Note: Walter 1. Shostak, P.E. Project Engineer 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Tf: (800) 962-1402 The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above, If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E-mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 11113/2007 ,.......... 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W 'i" + W '+ +, • W W -.1/ ~ '+ '+ '" '" '+ '+ Thinley. Tenzing From: Sent: To: Cc: Subject: Tenzing, Ajay Bajaj [ajay@gowcp.com] Thursday, October 25, 20079:31 AM Thinley, Tenzing walt.shostak@drstrong.com; Greg Prendergast; Bret Berglund; Lee Brannam; Meins, Mike RE: Renton Conference Call The punch list that was created was from your inspection. Can you and Mike be on the call briefly to just cover a few items so that we have clarity (15-20 minutes max)? The project number is B03DC001. -{...cSS I 144- Best Regards, Ajay Ajay Bajaj Underwriting Associate Western Capital Partners LLC abajaj@gowcp.com Voice: 303.839.3541 Mobile: 303.378.7397 Fax: 303.832.5818 Historic Alta Court Offices 1490 Lafayette Street, Suite 306 Denver, Colorado 80218 www.westerncapitalpartners.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@kingcounly.gov] Sent: Thursday, October 25, 2007 10:27 AM To: Ajay Bajaj 1 Cc: walt.shostak@drstrong.com; Greg Prendergast; Bret Berglund; Lee Brannam; Meins, Mike Subject: RE: Renton Conference Call Ajay: I am no longer the inspector on this project. Please contact Mike Meins at 206-296-6678. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Ajay Bajaj [mailto:ajay@gowcp.com] Sent: Thursday, October 25,20078:35 AM To: Thinley, Tenzing Cc: walt.shostak@drstrong.com; Greg Prendergast; bberglund@westerncapitalpartners.com; Lee Brannam Subject: FW: Renton Conference Call Importance: High Tenzing, Can you be available at 10:45 am pacific to discuss the outstanding punch list items for La Fortuna (project number B03DC001)? We will be discussing the list with the contractor and civil engineer in advance of you joining us. Your presence would be very helpful in moving the project forward. The dial in information is below. Conference Dial-in Number: (712) 432-9998 Host Access Code: 802140* Best Regards, 2 • Ajay Ajay 8ajaj Underwriting Associate Western Capital Partners LLC abajaj@gowcp.com Voice: 303.839.3541 Mobile: 303.378.7397 Fax: 303.832.5818 Historic Alta Court Offices 1490 Lafayette Street, Suite 306 Denver, Colorado 80218 WWW.westerncapitalpartners.com From: Ajay Bajaj Sent: Thursday, October 25, 2007 9: 17 AM To: 'Greg Prendergast'; Lee Brannam Cc: wait.shostak@drstrong,com; 'Bret Berglund (bbergiund@westerncapitalpartners,com)' Subject: Renton Conference Call Greg, Thank you for arranging the conference call for 10:00 am pacific; 11 :00 am mountain time. Below is the dial in information. The purpose of the call is to review the punch list items and provide clarity on the solution, discuss the potential solutions, and understand the financial cost (expected vs. worst case). Conference Dial-in Number: (712) 432-9998 Host Access Code: 802140* Best Regards, 3 Ajay Ajay Bajaj Underwriting Associate Western Capital Partners LLC abajaj@gowcp.com Voice: 303.839.3541 Mobile: 303.378.7397 Fax: 303.832.5818 Historic Alta Court Offices 1490 Lafayette Street, Suite 306 Denver, Colorado 80218 www.westerncapitalpartners.com 4 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Thursday, October 25, 2007 9:27 AM 'Ajay Bajaj' Cc: walt.shostak@drstrong.com; Greg Prendergast; bberglund@westerncapitalpartners.com; Lee Brannam; Meins, Mike Subject: RE: Renton Conference Call Ajay: I am no longer the inspector on this project. Please contact Mike Meins at 206-296-6678. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Ajay Bajaj [mailto:ajay@gowcp.com] Sent: Thursday, October 25, 2007 8:35 AM To: Thinley, Tenzing Cc: walt.shostak@drstrong.com; Greg Prendergast; bberglund@westerncapitalpartners.com; Lee Brannam Subject: FW: Renton Conference Call Importance: High Tenzing, Can you be available at 10:45 am pacific to discuss the outstanding punch list items for La Fortuna (project number B03DC001)? We will be discussing the list with the contractor and civil engineer in advance of you joining us. Your presence would be very helpful in moving the project forward. The dial in information is below. Conference Dial-in Number: (712) 432-9998 Host Access Code: 802140* Best Regards, 5 Ajay Ajay Bajaj Underwriting Associate Western Capital Partners LLC abajaj@gowcp.com Voice: 303.839.3541 Mobile: 303.378.7397 Fax: 303.832.5818 Historic Alta Court Offices 1490 Lafayette Street, Suite 306 Denver, Colorado 80218 www.westerncapitalpartners.com From: Ajay Bajaj Sent: Thursday, October 25, 2007 9: 17 AM To: 'Greg Prendergast'; Lee Brannam Cc: walt.shostak@drstrong.com; 'Bret Berglund (bberglund@westerncapitalpartners.com), Subject: Renton Conference Call Greg, Thank you for arranging the conference call for 10:00 am pacific; 11:00 am mountain time. Below is the dial in information. The purpose of the call is to review the punch list items and provide clarity on the solution, discuss the potential solutions, and understand the financial cost (expected vs. worst case). Conference Dial-in Number: (712) 432-9998 Host Access Code: 802140* Best Regards, 6 Ajay Ajay Bajaj Underwriting Associate Western Capital Partners LLC abajaj@gowcp.com Voice: 303.839.3541 Mobile: 303.378.7397 Fax: 303.832.5818 Historic Alta Court Offices 1490 Lafayette Street, Suite 306 Denver, Colorado 80218 www.westerncapitalpartners.com 7 Thinley. Tenzing From: Sent: To: Cc: Subject: Importance: Punch List emplate.xls (38 KB). Tenzing, Ajay Bajaj [ajay@gowcp.com] Thursday, October 25, 2007 835 AM Thinley, Tenzing walt.shostak@drstrong.com; Greg Prendergast; bberglund@westerncapitalpartners.com; Lee Brannam FW: Renton Conference Call High Can you be available at 10:45 am pacific to discuss the outstanding punch list items for La Fortuna (project number B03DC001)? We will be discussing the list with the contractor and civil engineer in advance of you joining us. Your presence would be very helpful in moving the project forward. The dial in information is below. Conference Dial-in Number: (712) 432-9998 Host Access Code: 802140* Best Regards, Ajay Ajay 8ajaj Underwriting Associate Western Capital Partners LLC abajaj@gowcp.com Voice: 303.839.3541 Mobile: 303.378.7397 Fax: 303.832.5818 8 Historic Alta Court Offices 1490 Lafayette Street, Suite 306 Denver, Colorado 80218 www.westerncapitalpartners.com From: Ajay Bajaj Sent: Thursday, October 25,20079:17 AM To: 'Greg Prendergast'; Lee Brannam Cc: walt.shostak@drstrong,com; 'Bret Berglund (bberglund@westerncapitalpartners.com)' Subject: Renton Conference Call Greg, Thank you for arranging the conference call for 10:00 am pacific; 11:00 am mountain time. Below is the dial in information. The purpose of the call is to review the punch list items and provide clarity on the solution, discuss the potential solutions, and understand the financial cost (expected vs. worst case). Conference Dial-in Number: (712) 432-9998 Host Access Code: 802140* Best Regards, Ajay Ajay Bajaj Underwriting Associate Western Capital Partners LLC abajaj@gowcp.com Voice: 303.839.3541 Mobile: 303.378.7397 Fax: 303.832.5818 9 Historic Alta Court Offices 1490 Lafayette Street, Suite 306 Denver, Colorado 80218 www.westerncapitalpartners.com 10 Thinley. Tenzing From: Thinley, Tenzing Sent: To: Cc: Monday, October 22, 20079:25 AM Townsend, Steve; 'Luay Joudeh' 'Lee Brannam'; Meins, Mike Subject: RE: La Fortuna Steve: I have informed Lee Brannam(GMP homes) that the financial guarantees will have to be replaced for change of applicant. am getting questions regarding the punchlist I issued recently, There will be a inspector change and the new inspector's name is Mike Meins(206-296-6678), Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Townsend, Steve Sent: Wednesday, October 17, 2007 1:01 PM To: Luay Joudeh Cc: Thinley, Tenzing Subject: RE: La Fortu na Luay, According to our financial guarantee management group, the new applicant has not replaced the financial guarantees (see attached email), Please forward to Karl since you did not include his email in your email. Steve Townsend, PE Supervisor, Land Use Inspections King County De'partment of Development and Environmental Services Phone (206)296-7204 New email: Steve,Townsend@KingCounty,gov From: Luay Joudeh [mailto:luay,joudeh@drstrong.com] Sent: Wednesday, October 17, 2007 10:15 AM To: Thinley, Tenzing Cc: Townsend, Steve Subject: La Fortuna 11 Dear Tenzing, Karl had asked me to send this to you to remind you that he is no longer responsible for this project. Per the transfer of applicant and the agreement with GMP, he feels that GMP should have posted new bonds and a release of k-best bonds should have taken as of July 31,2007. Please cal Karl if you have nay questions. Luay 12 Thinley, Tenzing From: Sent: To: Cc: Subject: Lee: Thinley, Tenzing Monday, October 22,20079:18 AM 'Lee Brannam' Pray, Jeff; Meins, Mike RE: Punch List for La Fortuna Townhomes Project number B03DC001 -Activity Number L05S1114 The applicant on record is still Karl Best. Unless all financial transfer requirements are completed he is still the applicant on record and we cannot respond to other parties regarding punch list. This project will also have a new inspector, Mike Meins(206-296-6678) starting next week. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Monday, October 22, 2007 9: 13 AM To: Thinley, Tenzing Cc: Pray, Jeff Subject: RE: Punch List for La Fortuna Townhomes Project number B03DC001 -Activity Number L05S1114 Tenzing, I was out the La Fortuna on Friday and the 10' radius for the driveway I figured out (#211) and the other ones as well. The only one on the list that I can't figure out is 102. The Compensatory Storage pond seems to be at the proper elevation and layout can you quickly explain what you see as the problem? Thanks for your help. 13 Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Lee Brannam Sent: Friday, October 19, 2007 10:36 AM To: 'Thinley, Tenzing' Cc: 'jeff.pray@kingcounty.gov' Subject: Punch List for La Fortuna Townhomes Project number B03DC001 -Activity Number LOSSI114 Good Morning Tenzing, I have received the punch list and was wondering if you could help me understand a couple of items better? 1. # 211 The Driveway on 127th Ave SE must have a 10' or more radios -I am not sure what that means, is it on the plans somewhere? 2. # 308 doesn't point out any specific locations? 3. # 407 doesn't point out any specific items? 4. # 501 doesn't point out any specific conditions? Thanks for your help. 14 Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 15 Thinley. Tenzing From: Sent: To: Cc: Subject: Tenzing, Lee Brannam [Lee@gmphomes.com] Monday, October 22, 2007 9:13 AM Thinley, Tenzing Pray, Jeff RE: Punch List for La Fortuna Townhomes Project number B03DC001 -Activity Number L05S1114 I was out the La Fortuna on Friday and the 10' radius for the driveway I figured out (#211) and the other ones as well. The only one on the list that I can't figure out is 102. The Compensatory Storage pond seems to be at the proper elevation and layout can you quickly explain what you see as the problem? Thanks for your help. Lee Brannam GMP Homes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Lee Brannam Sent: Friday, October 19, 2007 10:36 AM To: 'Thinley, Tenzing' Cc: 'jeff.pray@kingcounty.gov' Subject: Punch List for La Fortuna Townhomes Project number B03DC001 -Activity Number LOSSI114 16 Good Morning Tenzing, I have received the punch list and was wondering if you could help me understand a couple of items better? 1. # 211 The Driveway on 1271h Ave SE must have a 10' or more radios -I am not sure what that means, is it on the plans somewhere? 2. # 308 doesn't point out any specific locations? 3. # 407 doesn't point out any specific items? 4. # 501 doesn't point out any specific conditions? Thanks for your help. Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 17 Thinley, Tenzing From: Sent: To: Cc: Subject: Good Morning Tenzing, Lee Brannam [Lee@gmphomes.comj Friday, October 19, 2007 10:36 AM Thinley, Tenzing Pray, Jeff Punch List for La Fortuna Townhomes Project number B03DC001 -Activity Number L05S1114 I have received the punch list and was wondering if you could help me understand a couple of items better? 1. # 211 The Driveway on 127'h Ave SE must have a 10' or more radios -I am not sure what that means, is it on the plans somewhere? 2. # 308 doesn't point out any specific locations? 3. # 407 doesn't point out any specific items? 4. # 501 doesn't point out any specific conditions? Thanks for your help. Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 18 Thinley. Tenzing From: Sent: To: Rogers, Carol on behalf of DOES, FGMU Wednesday, October 17, 2007 12:58 PM Townsend, Steve Cc: Thinley. Tenzing Subject: RE: La Fortuna no, they have not brought in the replacement paperwork. A letter was sent to GMP, Greg Predergast back in August. I have also left him a couple of voice mails. From: Townsend, Steve Sent: Wednesday, October 17, 2007 12:49 PM To: DDES, FGMU Cc: Thinley, Tenzing Subject: FW: La Fortuna Please verify that the new applicants brought in replacement financial guarantees. Thanks Steve Townsend, PE Supervisor. Land Use Inspections King County Department of Development and Environmental Services Phone (206) 296-7204 New email: Steve. T ownsend@KingCounty.gov From: Luay Joudeh [mailto:luay.joudeh@drstrong.com] Sent: Wednesday, October 17, 200710:15 AM To: Thinley, Tenzing Cc: Townsend, Steve Subject: La Fortuna Dear Tenzing, Karl had asked me to send this to you to remind you that he is no longer responsible for this project. Per the transfer of applicant and the agreement with GMP, he feels that GMP should have posted new bonds and a release of k-best bonds should have taken as of July 31, 2007. Please cal Karl if you have nay questions. Luay 20 Thinley, Tenzing From: Sent: To: Cc: Subject: Untitled. PDF (594 KB) Luay Joudeh [Iuay.joudeh@drstrong.com] Wednesday, October 17, 200710:15 AM Thinley, Tenzing Townsend, Steve La Fortuna Dear Tenzing, Karl had asked me to send this to you to remind you that he is no longer responsible for this project. Per the transfer of applicant and the agreement with GMP, he feels that GMP should have posted new bonds and a release of k-best bonds should have taken as of July 31, 2007. Please cal Karl if you have nay questions. Luay 21 Thinley. Tenzing From: Sent: To: Subject: Lee Brannam [Lee@gmphomes.com] Friday, October 12, 2007 6:00 PM Thinley, Tenzing RE: La Fortuna Karl has never received the punch list, (so he says) could you please send it to me via email, fax or snail mail? 11317 NE 120'h Street Kirkland, Wa. 98034 Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Wednesday, September 19, 2007 7:29 AM To: Lee Brannam Subject: RE: La Fortuna Lee: It was sent out yesterday. Thanks 22 Tenzing From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Tuesday, September 18, 2007 10:56 AM To: Thinley, Tenzing Subject: La Fortuna Good morning Tenzing, I called Karl Best this morning and he says he hasn't seen a punch list for La Fortuna yet but he has been out of town for a couple weeks, Have you had a chance to send it over yet? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 23 Thinley. Tenzing From: Sent: To: Subject: Lee Brannam [Lee@gmphomes.com] Tuesday, October 09,200710:36 AM Thinley, Tenzing RE: Binding Site Plan No, I didn't get the punch list from Karl and he isn't returning my calls. Can you send it to me please? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@kingcounty.gov] Sent: Tuesday, October 09, 20079:46 AM To: Lee Brannam Subject: RE: Binding Site Plan Lee: http://www.metrokc.qov/permits/info/landuse/bindinq.aspx. I'm either having a brain freeze or we didn't have this conversation, but I don't remember discussing a binding site plan with you. Did you get the punchlist from Karl? 24 Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Monday, October 08, 2007 2:44 PM To: Thinley, Tenzing Subject: Binding Site Plan Good afternoon Tenzing, When we met with you at the La Fortuna site you mentioned that the site had a binding site plan, I don't know exactly what that means but some of my finance people are asking for a copy of it. I couldn't find it on the website so I asked Dave Baugh for his help and he couldn't find it either and doesn't believe one has ever been done. After you mentions the term BSP I was wondering what info you had regarding this. Do you have a copy or know were one might be found? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 25 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Tuesday, October 09, 20079:46 AM 'Lee Brannam' Subject: RE: Binding Site Plan Lee: http://www.metrokc.gov/permits/info/landuse/binding.aspx. I'm either having a brain freeze or we didn't have this conversation, but I don't remember discussing a binding site plan with you. Did you get the punchlist from Karl? Thanks Tenzing Thinley, PE Engineer II-DDES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Monday, October 08, 2007 2:44 PM To: Thinley, Tenzing Subject: Binding Site Plan Good afternoon Tenzing, When we met with you at the La Fortuna site you mentioned that the site had a binding site plan, I don't know exactly what that means but some of my finance people are asking for a copy of it. I couldn't find it on the website so I asked Dave Baugh for his help and he couldn't find it either and doesn't believe one has ever been done. After you mentions the term BSP I was wondering what info you had regarding this. Do you have a copy or know were one might be found? Lee Brannam GMPHomes C 206.949.8813 26 F 425.822.9210 lee@gmphomes.com 27 Thinley. Tenzing From: Sent: To: Subject: Good afternoon Tenzing, Lee Brannam [Lee@gmphomes.com] Monday, October 08, 2007 244 PM Thinley, Tenzing Binding Site Plan When we met with you at the La Fortuna site you mentioned that the site had a binding site plan, I don't know exactly what that means but some of my finance people are asking for a copy of it. I couldn't find it on the website so I asked Dave Baugh for his help and he couldn't find it either and doesn't believe one has ever been done. After you mentions the term BSP I was wondering what info you had regarding this. Do you have a copy or know were one might be found? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 28 Thinley, Tenzing From: Sent: To: Subject: Hi Tenzing, Karen Kolb [karen.kolb@drstrong.comJ Wednesday, September 19, 2007 2:4 7 PM Thinley, Tenzing LaFortuna I just received a letter from Jerry Meartz at Whitfield's insurance letting me know that we have two bonds that are eligible for release that require a written release from King County. The first bond activity number is A05BN212 and the bond number is 575548S. The second is A05BN250 and that bond number is 5755505. Can you please give me the status of theses bonds? Thank you for all your help Karen D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Karen L. Kolb Engineering Assistant 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Please Note: 29 imageOO1.jpg (2 KB) The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 30 Thinley. Tenzing From: Sent: To: Subject: Lee: It was sent out yesterday, Thanks Tenzing Thinley, Tenzing Wednesday, September 19, 20077:29 AM 'Lee Brannam' RE: La Fortuna From: Lee Brannam [mailto:Lee@gmphomes,comj Sent: Tuesday, September 18, 2007 10:56 AM To: Thinley, Tenzing Subject: La Fortuna Good morning Tenzing, I called Karl Best this morning and he says he hasn't seen a punch list for La Fortuna yet but he has been out of town for a couple weeks, Have you had a chance to send it over yet? Lee Brannam GMP Homes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 31 Thinley. Tenzing From: Sent: To: Subject: Lee Brannam [Lee@gmphomes.com] Tuesday, September 18,200710:56 AM Thinley, Tenzing La Fortuna Good morning Tenzing, I called Karl Best this morning and he says he hasn't seen a punch list for La Fortuna yet but he has been out of town for a couple weeks. Have you had a chance to send it over yet? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 32 Thinley, Tenzing From: Rettig, Brandy Sent: To: Tuesday, September 18,20077:39 AM Thinley, Tenzing Subject: RE: La Fortuna Townhomes Tenzing, I have not heard any feedback about the 1" driveway lip. Thanks for adding my comments! -Brandy From: Thinley, Tenzing Sent: Monday, September 17, 20079:35 AM To: Rettig, Brandy Cc: Pray, Jeff; Morris, Delite; Whiting, Kelly Subject: RE: La Fortuna Townhomes Thanks Brandy. I remember discussing the driveway radius but forgot to put in punchlist. I will include all comments in plist. Have you been able to get any feedback from maintenance regarding the integrity of 1" curbs across drivewasy per KCRS? Tenzing From: Rettig, Brandy Sent: Friday, September 14, 20078:14 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite; Whiting, Kelly Subject: RE: La Fortuna Townhomes Hi Tenzing, Happy Friday! Thanks for the draft. 33 I have three items to add please: 1. Paint fog line per plans on 1271h Ave. SE. (Sheet C5 of 9) 2. The driveway on 127'h Ave. SE must have a 10' radius. 3. The flow through extruded concrete curbs installed on 1271h Ave. SE are not standard. Either obtain a variance to use this curb type or remove and install standard concrete extruded curb. I have cc'd Kelly Whiting in case you would like to elevate any of these issues-Delite will be out of the office for the next week on vacation. I've also included the photos I took the day of our meeting if you'd like copies of them for your files. Thanks, Brandy From: Thinley, Tenzing Sent: Wednesday, September 12, 2007 10: 1S AM To: Rettig, Brandy Cc: Pray, Jeff; Morris, Delite Subject: RE: La Fortuna Townhomes Brandy: Here is my draft punchlist. Please send your comments. Tenzing From: Rettig, Brandy Sent: Tuesday, August 07, 20079:02 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite Subject: La Fortuna Townhomes Hi Tenzing, 34 Delite has assigned me to La Fortuna Townhomes. Please let me know when you would like to meet. I'll be out of the office on August 10,13 and 20 th , just as a heads up. I look forward to hearing from you soon. Thanks! Brandy 35 Thinley, Tenzing From: Sent: To: Subject: Morris, Delite Monday, September 17, 20079:36 AM Thinley, Tenzing Out of Office AutoReply: La Fortuna Townhomes I am out of ,:he office until September 2Sth. anslt.;ered irrunediately, please contact Kelly Whit 206-296-6505 or Terry Smith at 206-296-6560. T f you have a question that needs to be ng at 206-296-6522, Brandy Rettig at anks 36 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Monday, September 17, 2007935 AM Rettig, Brandy Cc: Subject: Pray, Jeff; Morris, Delite; Whiting, Kelly RE: La Fortuna Townhomes Thanks Brandy. I remember discussing the driveway radius but forgot to put in punchlist. I will include all comments in plist. Have you been able to get any feedback from maintenance regarding the integrity of 1" curbs across drivewasy per KCRS? Tenzing From: Rettig, Brandy Sent: Friday, September 14, 2.007 8:14 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite; Whiting, Kelly Subject: RE: La Fortuna Townhomes Hi Tenzing, Happy Friday! Thanks for the draft. I have three items to add please: 1. Paint fog line per plans on 127'h Ave. SE. (Sheet C5 of 9) 2. The driveway on 127'h Ave. SE must have a 10' radius. 3. The flow through extruded concrete curbs installed on 127'h Ave. SE are not standard. Either obtain a variance to use this curb type or remove and install standard concrete extruded curb. I have cc'd Kelly Whiting in case you would like to elevate any of these issues-Delite will be out of the office for the next week on vacation. I've also included the photos I took the day of our meeting if you'd like copies of them for your files. Thanks, Brandy 37 From: Thinley, Tenzing Sent: Wednesday, September 12, 2007 10: 15 AM To: Rettig, Brandy Cc: Pray, Jeff; Morris, Delite Subject: RE: La Fortuna Townhomes Brandy: Here is my draft punchlist. Please send your comments. Tenzing From: Rettig, Brandy Sent: Tuesday, August 07, 2007 9:02 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite Subject: La Fortuna Townhomes Hi Tenzing, Delite has assigned me to La Fortuna Townhomes. Please let me know when you would like to meet. I'll be out of the office on August 10, 13 and 20 th , just as a heads up. I look forward to hearing from you soon. Thanks! Brandy 38 Thinley, Tenzing From: Sent: Walter Shostak [walt.shostak@drstrong.com] Friday, September 14, 20074:39 PM To: Subject: Filter Strip Exhibit.pdf (146 ... Thinley, Tenzing La Fortuna Hi Tenzing: Attached is an asbuilt detail exhibit of the filter strip area. The asbuilt compensatory storage area ground shots appear to be at the correct elevations per the approved design. The detention vault is a private system to be maintained by the HOA. The system is constructed per the approved plans. An access road is incompatible with the required recreation area, and was not required for construction plan approval. We'll be submitting the asbuilts next week. Let me know if you need any additional information for the filter strip . •. ".Jt« ~ imageOOl.jpg (2 KB) Thanks, D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Walter J. Shostak, P.E. Project Engineer 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Tf: (800) 962-1402 39 Please Note: The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 40 Thinley, Tenzing From: Rettig, Brandy Sent: To: Friday, September 14, 2007 8:14 AM Thinley, Tenzing Cc: Subject: Pray, Jeff: Morris, Delite; Whiting, Kelly RE: La Fortuna Townhomes LaFortuna_Photos. PDF (365 KB) Hi Tenzing, Happy Friday! Thanks for the draft. I have three items to add please: 1. Paint fog line per plans on 127th Ave. SE. (Sheet C5 of 9) 2. The driveway on 127th Ave, SE must have a 10' radius. 3. The flow through extruded concrete curbs installed on 127th Ave, SE are not standard. Either obtain a variance to use this curb type or remove and install standard concrete extruded curb, I have cc'd Kelly Whiting in case you would like to elevate any of these issues-Delite will be out of the office for the next week on vacation. I've also included the photos I took the day of our meeting if you'd like copies of them for your files. Thanks, Brandy From: Thinley, Tenzing Sent: Wednesday, September 12, 2007 10:15 AM To: Rettig, Brandy Cc: Pray, Jeff; Morris, Delite Subject: RE: La Fortuna Townhomes Brandy: 41 Here is my draft punchlist. Please send your comments. Tenzing From: Rettig, Brandy Sent: Tuesday, August 07, 20079:02 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite Subject: La Fortuna Townhomes Hi Tenzing, Delite has assigned me to La Fortuna Townhomes. Please let me know when you would like to meet. I'll be out of the office on August 10,13 and 20 th , just as a heads up. I look forward to hearing from you soon. Thanks' Brandy 42 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Wednesday, September 12, 2007 10:15 AM Rettig, Brandy Cc: Subject: lafortuna plist.pdf (359 KB) Pray, Jeff; Morris, Delite RE: La Fortuna Townhomes Brandy: Here is my draft punchlist. Please send your comments. Tenzing From: Rettig, Brandy Sent: Tuesday, August 07, 2007 9:02 AM To: Thinley, Tenzing Cc: Pray, Jeff; Morris, Delite Subject: La Fortuna Townhomes Hi Tenzing, Delite has assigned me to La Fortuna Townhomes. Please let me know when you would like to meet. I'll be out of the office on August 10, 13 and 20 th , just as a heads up. I look forward to hearing from you soon. Thanks! Brandy 43 Thinley, Tenzing From: Sent: To: Subject: Pray, Jeff Wednesday, September 05,20079:37 AM Thinley, Tenzing RE: New Development Thanks, Tenzing. I called the complaintant last Wednesday before I went out on vacation and said I would connect with him this week. Perhaps we can coordinate before I contact him --that is, if I need to contact him, as you may be already dealing with the issue I started to address. Let's talk. Jeff From: Sent: To: Ce: Subject: Thinley, Tenzing Thursday, August 30, 2007 10:51 AM Conyers, Jody; Pray, Jeff Townsend, Steve RE: New Development This is related to La Fortuna project. I am working on this complaint. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Sent: . To: Ce: Subject: Jeff, Conyers, lady Tuesday, August 28, 2007 5:00 PM Pray, Jeff; Thinley, Tenzing Townsend, Steve fIN: New Development t have just received this drainage complaint from DNR. This appears to be one of yours, so here it is. From: Sent: To: Ce: SUbject: Hi Jodyl Lew, Tom Tuesday, August 28, 2007 4:44 PM Conyers, lady Townsend, Steve FW: New Development I got an auto-reply e-mail from Steve. It said he is out of the office and you are in charge. Can you handle this? Thanks! From: Lew, Tom Sent: Tuesday, August 28, 20074:41 PM To: Townsend, Steve Subject: New Development Hi Steve! FYI. We received a complaint from Jerry Dronen (12705 SE 172" St, 425-221-1325, parcel #143270-1150). He is 44 concerned about drainage impacts from a new development currently under construction adjacent to the south of his property. Attached are our Drainage Investigation Report and photos. Is this something that your group can follow-up? Thanks l «File: 2007-0471Com.pdf» «File: 2007-0471comphoto.pdf» 45 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Thursday, August 30, 2007 10:51 AM Conyers, Jody; Pray, Jeff Cc: Townsend, Steve Subject: RE: New Development This is related to La Fortuna project. I am working on this complaint. Thanks Tenzing Thinley, PE Engineer II-DDES/LUIS Phone: 206-296-7038 Fax 206-296-7174 From: Sent: To: Cc: Subject: Jeff, Conyers, lady Tuesday, August 28, 2007 5:00 PM Pray, Jeff; Thinley, Tenzing Townsend, Steve FW: New Development I have just received this drainage complaint from DNR. This appears to be one of yours, so here it is. From: Sent: To: Cc: Subject: Hi Jody! Lew, Tom Tuesday, August 28, 20074:44 PM Conyers, lady Townsend, Steve FW: New Development I got an auto-reply e-mail from Steve. It said he is out of the office and you are in charge. Can you handle this? Thanks! From: Lew, Tom Sent: Tuesday, August 28, 2007 4:41 PM To: Townsend, Steve Subject: New Development Hi Steve! FYI. We received a complaint from Jerry Dronen (12705 SE 172,d St, 425-221-1325, parcel #143270-1150). He is concerned about drainage impacts from a new development currently under construction adjacent to the south of his property. Attached are our Drainage Investigation Report and photos. Is this something that your group can follow-up? Thanks' «File: 2007-047ICom.pdf» «File: 2007-0471comphoto.pdf» 46 Thinley. Tenzing From: Sent: To: Subject: Sounds good. Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com Lee Brannam [Lee@gmphomes.com] Thursday, August 23, 2007 10:27 AM Thinley, Tenzing RE: La Fortuna From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Thursday, August 23,200710:19 AM To: Lee Brannam Cc: Pray, Jeff Subject: RE: La Fortuna Wednesday 2PM the 5th it is. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 47 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Thursday, August 23, 2007 10:03 AM To: Thinley, Tenzing Cc: Pray, Jeff Subject: RE: La Fortuna The Owner and Operations Manager will be joining us and they are available at 2pm on Wednesday the 5th How will that work for you? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Thursday, August 23, 2007 9:09 AM To: Lee Brannam Cc: Pray, Jeff Subject: RE: La Fortu na Lets meet at 10AM, September 4th. Thanks. 48 Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Thursday, August 23, 2007 9:07 AM To: Thinley, Tenzing Cc: Pray, Jeff Subject: RE: La Fortuna That sounds great, so the week of September 3,d is when you are thinking of meeting? I will be gone the week of September 10 th Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOVj Sent: Thursday, August 23, 2007 9:00 AM To: Lee Brannam Cc: Jeff Pray SUbject: RE: La Fortuna 49 Lee: Since you are taking over the project, I suggest we hold a meeting and discuss all the issues on the plans. I will be away on vacation for a week and can meet with you after. The final insp. process includes input from KC DOT & DNR If we are in disagreement on items to put in the punch list, it could be delayed for months. Unfortunately, this is the way the process has been layed out. I will be submitting my punchlist to DOT/DNR soon for their comments. All bonds need to be transferred to you and fees need to be deposited per our financial office's requirements for the transfer to be complete. Thanks. Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Wednesday, August 22, 2007 2:05 PM To: Thinley, Tenzing Subject: RE: La Fortuna When do you think you will issue that punch list? Lee Brannam GMPHomes 50 C 206.949.8813 F 425.822.9210 lee@gmphomcs.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMU.DDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks Tenzing Thinley, PE Engineer Ii-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Monday, August 20, 2007 6:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. 51 Thanks. Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 52 Thinley. Tenzing From: Thinley, Tenzing Sent: To: Thursday, August 23,200710:19 AM 'Lee Brannam' Cc: Pray, Jeff Subject: RE: La Fortuna Wednesday 2PM the 5th it is. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Thursday, August 23, 2007 10:03 AM To: Thinley, Tenzing Cc: Pray, Jeff Subject: RE: La Fortuna The Owner and Operations Manager will be joining us and they are available at 2pm on Wednesday the 5th How will that work for you? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 53 From: Thinley, Tenzing [mailto:Tenzing,Thinley@METROKC.GOV] Sent: Thursday, August 23, 2007 9:09 AM To: Lee Brannam Cc: Pray, Jeff Subject: RE: La Fortuna Lets meet at 10AM, September 4th. Thanks. Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Thursday, August 23, 20079:07 AM To: Thinley, Tenzing Cc: Pray, Jeff Subject: RE: La Fortuna That sounds great, so the week of September 3'" is when you are thinking of meeting? I will be gone the week of September 10th Lee Brannam GMPHomes 54 C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Thursday, August 23, 2007 9:00 AM To: Lee Brannam Cc: Jeff Pray Subject: RE: La Fortuna Lee: Since you are taking over the project. I suggest we hold a meeting and discuss all the issues on the plans. I will be away on vacation for a week and can meet with you after. The final insp. process includes input from KC DOT & DNR. If we are in disagreement on items to put in the punch list, it could be delayed for months. Unfortunately, this is the way the process has been layed out. I will be submitting my punchlist to DOTIDNR soon for their comments. All bonds need to be transferred to you and fees need to be deposited per our financial office's requirements for the transfer to be com plete. Thanks. Tenzing Thinley, PE Engineer II-DDESILUIS Phone: 206-296-7038 Fax: 206-296-7174 55 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Wednesday, August 22, 2007 2:05 PM To: Thinley, Tenzing Subject: RE: La Fortuna When do you think you will issue that punch list? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Ca rol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMU.DDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS 56 Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.comj Sent: Monday, August 20, 2007 6:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. Thanks, Lee Brannam GMP Homes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 57 Thinley. Tenzing From: Sent: To: Cc: Subject: Lee Brannam [Lee@gmphomes,comj Thursday, August 23, 2007 10:03 AM Thinley, Tenzing Pray, Jeff RE: La Fortuna The Owner and Operations Manager will be joining us and they are available at 2pm on Wednesday the 5th How will that work for you? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing,Thinley@METROKC.GOV] Sent: Thursday, August 23, 2007 9:09 AM To: Lee Brannam Cc: Pray, Jeff Subject: RE: La Fortuna Lets meet at 1 OAM, September 4th, Thanks, 58 Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Thursday, August 23, 2007 9:07 AM To: Thinley, Tenzing Cc: Pray, Jeff Subject: RE: La Fortuna That sounds great, so the week of September 3,d is when you are thinking of meeting? I will be gone the week of September 10th Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Thursday, August 23, 2007 9:00 AM To: Lee Brannam Cc: Jeff Pray Subject: RE: La Fortuna Lee: 59 Since you are taking over the project, I suggest we hold a meeting and discuss all the issues on the plans. I will be away on vacation for a week and can meet with you after. The final insp. process includes input from KC DOT & DNR. If we are in disagreement on items to put in the punch list, it could be delayed for months. Unfortunately, this is the way the process has been layed out. I will be submitting my punchlist to DOT/DNR soon for their comments. All bonds need to be transferred to you and fees need to be deposited per our financial office's requirements for the transfer to be complete. Thanks. Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,comj Sent: Wednesday, August 22, 20072:05 PM To: Thinley, Tenzing Subject: RE: La Fortuna When do you think you will issue that punch list? Lee Brannam GMPHomes C 206.949.8813 60 F 425.822.9210 lee(a)gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMUDDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Monday, August 20, 2007 6:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. 61 Thanks. Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 62 Thinley. Tenzing From: Thinley, Tenzing Sent: To: Thursday, August 23, 2007 9:09 AM 'Lee Brannam' Cc: Pray, Jeff Subject: RE: La Fortuna Lets meet at 10AM, September 4th. Thanks. Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Thursday, August 23, 20079:07 AM To: Thinley, Tenzing Cc: Pray, Jeff Subject: RE: La Fortuna That sounds great, so the week of September 3m is when you are thinking of meeting? I will be gone the week of September 10th . Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 63 From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Thursday, August 23, 2007 9:00 AM To: Lee Brannam Cc: Jeff Pray Subject: RE: La Fortuna Lee: Since you are taking over the project. I suggest we hold a meeting and discuss all the issues on the plans. I will be away on vacation for a week and can meet with you after. The final insp. process includes input from KC DOT & DNR. If we are in disagreement on items to put in the punch list, it could be delayed for months. Unfortunately, this is the way the process has been layed out. I will be submitting my punchlist to DOT/DNR soon for their comments. All bonds need to be transferred to you and fees need to be deposited per our financial office's requirements for the transfer to be complete. Thanks. Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Wednesday, August 22, 2007 2:05 PM To: Thinley, Tenzing Subject: RE: La Fortuna When do you think you will issue that punch list? 64 Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOVl Sent: Tuesday, August 21, 20079:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMU.DDES@METROKC.GOVl and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 65 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Monday, August 20, 20076:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have com plete understanding. Thanks. Lee Brannam GMP Homes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 66 Thinley. Tenzing From: Sent: To: Cc: Subject: Lee Brannam [Lee@gmphomes.com] Thursday, August 23, 2007 9:07 AM Thinley, Tenzing Pray, Jeff RE: La Fortuna That sounds great, so the week of September 3,d is when you are thinking of meeting? I will be gone the week of Septem ber 10th Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Thursday, August 23, 2007 9:00 AM To: Lee Brannam Cc: Jeff Pray Subject: RE: La Fortuna Lee: Since you are taking over the project, I suggest we hold a meeting and discuss all the issues on the plans. I will be away on vacation for a week and can meet with you after. The final insp. process includes input from KC DOT & DNR. If we are in disagreement on items to put in the punch list, it could be delayed for months. Unfortunately, this is the way the process has been layed out. I will be submitting my 67 punchlist to DOTIDNR soon for their comments. All oonds need to De transferred to you and fees need to be deposited per our financial office's requirements for the transfer to De complete. Thanks. Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Wednesday, August 22, 2007 2:05 PM To: Thinley, Tenzing Subject: RE: La Fortuna When do you think you will issue that punch list? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 68 From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DDES, FGMU ( FGMU.DDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks Tenzing Thinley, PE Engineer II-DDES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] Sent: Monday, August 20, 2007 6:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. Thanks, 69 Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 70 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Thursday, August 23, 20079:00 AM 'Lee Brannam' Cc: Jeff Pray Subject: RE: La Fortuna Lee: Since you are taking over the project, I suggest we hold a meeting and discuss all the issues on the plans. I will be away on vacation for a week and can meet with you after. The final insp. process includes input from KC DOT & DNR If we are in disagreement on items to put in the punch list, it could be delayed for months. Unfortunately, this is the way the process has been layed out. I will be submitting my punchlist to DOT/DNR soon for their comments. All bonds need to be transferred to you and fees need to be deposited per our financial office's requirements for the transfer to be complete. Thanks. Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes.com] sent: Wednesday, August 22, 2007 2:05 PM To: Thinley, Tenzing Subject: RE: La Fortuna When do you think you will issue that punch list? Lee Brannam GMPHomes C 206.949.8813 71 F 425.822.9210 lee@gmphomcs.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMU.DDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks Tenzing Thinley, PE Engineer Ii-DOES/LUIS Phone: 206-296·7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Monday, August 20, 20076:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. 72 Thanks. Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 73 Thinley, Tenzing From: Sent: To: Subject: Lee Brannam [Lee@gmphomes.com] Wednesday, August 22,20072:05 PM Thinley, Tenzing RE: La Fortuna When do you think you will issue that punch list? Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOVj Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMU.DDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks 74 Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,comj Sent: Monday, August 20, 2007 6:32 PM To: Thinley, Tenzing Subject: La Fortu na Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. Thanks, Lee Brannam GMP Homes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 7S Thinley, Tenzing From: Sent: To: Subject: Lee Brannam [Lee@gmphomes.com] Tuesday, August 21, 2007 5:55 PM Thinley, Tenzing RE: La Fortuna I have three separate areas that are going to require bonding. One of those is Right-of-way and Site Restoration. I was told you are the one to talk to for these responsibilities. What is being covered by this $37,588 dollar Financial Guarantee that the finance department is requiring for Right-of-way and Site Restoration. Thanks, Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOVl Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMUDDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks 76 Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Monday, August 20, 2007 6:32 PM To: Thinley, Tenzing Subject: La Fortu na Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. Thanks, Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 77 Thinley. Tenzing From: Sent: To: Cc: Subject: Lee Brannam [Lee@gmphomes.com] Tuesday, August 21,200712:31 PM Thinley, Tenzing Rogers, Carol RE: La Fortuna Can you please forward me a copy of that punch list when you have it complete. Lee Brannam GMPHomes C 206.949.88t3 F 425.822.9210 lee@gmphomes.com From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOVl Sent: Tuesday, August 21, 2007 9:07 AM To: Lee Brannam Cc: Carol Rogers Subject: RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMUDDES@METROKC.GOV) and phone # 2062966659. You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks 78 Tenzing Thinley, PE Engineer Ii-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Monday, August 20, 2007 6:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. Thanks, Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 79 Thinley, Tenzing From: Sent: To: Subject: Rogers, Carol Tuesday, August 21, 2007 9:07 AM Thinley, Tenzing Out of Office AutoReply: La Fortuna I am currently out at the office, returning Wed 8/22. If you have financial guarantee questions, you can email fgmu.ddes@kingcQunty.gov. 80 Thinley, Tenzing From: Sent: To: Cc: Subject: Thinley, Tenzing Tuesday, August 21, 20079:07 AM 'Lee Brannam' Carol Rogers RE: La Fortuna Please contact our financial office to complete ownership change. Contact info: DOES, FGMU ( FGMUDDES@METROKC.GOV) and phone # 2062966659, You will need to post bonds related to site developement and wetland issues. Also you will need to post inspection fee deposit. I am ready to issue a punchlist and there are quite a few items that need to be resolved. Just to let you know. Thanks Tenzing Thinley, PE Engineer II-DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 From: Lee Brannam [mailto:Lee@gmphomes,com] Sent: Monday, August 20, 20076:32 PM To: Thinley, Tenzing Subject: La Fortuna Tenzing, GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding, Thanks, Lee Brannam GMPHomes C 206.949.8813 81 F 425.822.9210 lee@gmphomes.com 82 Thinley, Tenzing From: Sent: To: Subject: Tenzing, Lee Brannam [Lee@gmphomes.com] Monday, August 20, 2007 6:32 PM Thinley, Tenzing La Fortuna GMP has taken over ownership for the project La Fortuna. We recently received notice from the finance department about some financial guarantees need buy our firm. Could you please explain to me a little more as to what the right of way and site restoration entails? I just want to have complete understanding. Thanks, Lee Brannam GMPHomes C 206.949.8813 F 425.822.9210 lee@gmphomes.com 83 Thinley, Tenzing From: Sent: To: Cc: Subject: Hi Tenzing, Rettig, Brandy Tuesday, August 07, 20079:02 AM Thinley, Tenzing Pray, Jeff; Morris, Delite La Fortuna Townhomes Delite has assigned me to La Fortuna Townhomes. Please let me know when you would like to meet. I'll be out of the office on August 10, 13 and 20'h, just as a heads up. I look forward to hearing from you soon. Thanksl Brandy 84 Thinley, Tenzing From: Sent: To: Cc: Subject: Jeff: Thinley, Tenzing Wednesday, August 01, 20078:51 AM Jeff Pray Delite Morris La Fortuna Homes L05S1114 The La Fortuna Homes project has a walkway/extruded curb portion in public ROW that will need DOT joint inspection. Please forward plans to DOT so we can set up a joint inspection. thanks Tenzing Thinley, PE Engineer II DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 85 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Thursday, June 07, 2007 12:48 PM Walter Shostak' Subject: RE: La Fortuna Walter: 1 had talked to someone at DR StroIlg about the landscaping plan change but apparerltly you didn't get my message. Any changes to landscaping plans will have to be approved by BSD, I'm not sure who you dealt with the initial permit. I think one person who might be able to help in Nancy Hopkins (206) 296-7120. Thanks Tenzing Thinley, FE Engineer II DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7~74 -----Original Message----- From: Walter Shostak [mailto:walt.shostak@drstrong.com] Sent: Thursday, Hay 24, 2007 1/:41 PI0 To: Thinley, Tenzi_ng Subject: La Fortuna Tenzing, Attached is a letter from the Jay Group. The request is to change Landscape Plans to eliminate the current irrigation system plan in lieu of a bidder designed system or other means to ensure plant survivability. ThaClks, D.R. STRONG Consulting EngiIleers Inc. CIVIL ENGINEERS -PLANNERS -SURVEYORS Walter J. Shostak, P.E. Project Engineer 10604 N.E. 38th Place, Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Please Note: The information in ttlis ~-mail message, and any files transmitted with it, is confidential anc may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not furt~er disseminate, distribute, or forward this E-mail message. If you have received this E-mail i~ error, please notify the sender and delete the material from any computer. Thank you. 86 Thinley, Tenzing From: Sent: Walter Shostak [wal!.shostak@drstrong.com] Thursday, May 24, 2007 12:41 PM To: Thinley, Tenzing Subject: La Fortuna image. pdf (57 KB) Tenzing, Attached is a letter from the Jay Group. The request is to change Landscape Plans to eliminate the current irrigation system plan in lieu of a bidder designed system or other means to ensure plant survivability. Thanks, D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS -PLANNERS -SURVEYORS Walter J. Shostak, P.E. Project Engineer 10604 N.E. 38th Place, Suite HOI Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Please Note: The in:orrnation in this E-mail message, and any files transmitted with it, is confidential and nay be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your usc of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E-mail message. If you have received this E-mail in error, please notify the sender and de],ete the material from any computer. Thank you. 88 Thinley, Tenzing From: Sent: To: Cc: Subject: Luay Joudeh [Iuay.joudeh@drstrong.com] Monday, May 21, 2007 8:20 AM Thinley, Tenzing Walter Shostak RE: La Fortuna Thanks Tenzing. If you recall there is no compensatory storage cales. I will let Walt refresh your memory on that. From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Tuesday, May 15, 2007 1: 16 PM To: Luay Joudeh Cc: Karen Kolb; Jeff Pray Subject: La Fortuna Luay: This email is to reiterate what we discussed regarding La Fortuna. There is no need to post the bond right now. The building permit does not require my approval for this project. However, before any foundation work starts, the compensatory storage pond will need be completed. I have received vault volume and installation verification from your engineer. When the buildings are constructed and you are seeking TCO-you have 2 chOices. 1) Have all site work completed and signed off by Land Use Inspections 2) Post a performance bond if all site work is not complete. Let me know when you are ready for final inspection. Thanks Tenzing Thinley, PE Engineer II DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 89 Thinley, Tenzing From: Sent: To: Cc: Subject: Luay: Thinley, Tenzing Tuesday, May 15, 2007 1 :00 PM 'Luay Joudeh' 'Karen Kolb'; Jeff Pray La Fortuna This email is to reiterate what we discussed regarding La Fortuna. There is no need to post the bond right now. The building permit does not require my approval for this project. However, before any foundation work starts, the compensatory storage pond will need be completed. I have received vault volume and installation verification from your engineer. When the buildings are constructed and you are seeking TCO-you have 2 choices. 1) Have all site work completed and signed off by Land Use Inspections 2) Post a performance bond if all site work is not complete. Let me know when you are ready for final inspection. Thanks Tenzing Thinley, PE Engineer II DOES/LUIS Phone: 206-296-7038 Fax: 206-296-7174 90 Thinley, Tenzing From: Sent: To: Subject: Karen Kolb [karen.kolb@drstrong.comJ Wednesday, May 02,20071 :53 PM Thinley, Tenzing La Fortuna I just spoke with Luay and we are trying to get the bonds started so we can find out the bond amounts. t have not heard back from you regarding the Wednesday meeting. Will 9:00AM work for you? "" " . ..'tt~ ~. ~ imageOO1.jpg (2 KB) D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Karen L. Kolb Engineering Assistant 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Please Note: The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 91 Thinley, Tenzing From: Sent: To: Karen Kolb [karen.kolb@drstrong.com] Wednesday, May 02, 2007 9:34 AM Thinley, Tenzing Subject: ~I ~ SDOClS62.pdf (933 KB) FW: La Fortuna Attached are the original bond quantity sheets. The bond reduction sheets which I have already sent) have a revised ],etter attached. We have found 3 errors in the original Bond Quantity Worksheets while preparing the bond reduction: 1. Page 3 of 9-Clearing/Grubbing/Tree Removal original unit price $229,514/Acre Correct unit price S8,876.16/Acre 2. Page 7 of 9-Culvert, CPP, 2411 Original Cost $5602.80 Correct Cost $7470.40 3. Page 9 Bond Calculation Original Line (D) $c,37S,309.1 Correct Line (D) $637,717.60 Original Line (T) $1,413,409.40 Correct Line (T) $675,818.0 Original T X 0.30 $424,022.8 Correct T X 0.30 $202,745.40 Please let IT~ ~now if you have any questions. Thank you. D.R. STRONG Consulting Engineers Inc. CIVlL ENGINEERS PLANNSRS SURVEYORS Karen L. Kolb Engineer.ing Assistant 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: Fax: (425) 827-3063 (425) 827-2423 93 ?lea.se Note: The inf()rmatic~ in tflis E-mail ~essdge, and d!ly ~iles t~dnsn!iLled witfl ~c, is confidential and may be leqally pri v;!_l cgcd. It is intended only :~)r LlE: '.lse of tLe individdal (5) name~j above. If you are the i~tended recipient, be aware chat your use of any confidentj_al or personal information may be rest~jcted by s~ate and federal ~rivacy laws. If yo~, the reader of t~is message, arc not the intended recipient, you are hereby notified that you s~ould not turther disseminate, distribu~c, or forward this E-mail message. If you have received this E-mail in error, p:ease notify the sender arId delete the ~ldterial from any computer. T;'1ank you. -----Original Message----- From: ricohl060@drstrong.eom [mailto:ricoh1060@drstrong.com] Sent: Tuesday, May 01, 2007 3:19 PM To: Karen Kolb Subject: This E-mail includes attached file(s) sent from "RNP816A4C" (Afieio 1060). Scan Date: 05.01.2007 17:19:01 (-0500) Que~ies to: ricohl060@drstrong.com 94 Thinley, Tenzing From: Sent: To: Karen Kolb [karen.kolb@drstrong.com] Tuesday, May01, 20075:19 PM Thinley, Tenzing Subject: 'ttJ ...... . , 'M' ~ SD0C7563.pdf (1 MB) FW: La Fortuna Attached are the bond quantity worksheets. I will be sending you another email with the original worksheets attached. Thanks! Kind regards D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Karen L. Kalb Engineering Assistant 10604 N.E. 38th Place Suite HOI Kirkland, WA 98033 Office: Fax: (425) 827-3063 (425) 827-2423 Please Note: The information in this E-mail message, and any files transmitted with it, is confidential and may be leqally privileged. It is intended only tor the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or pe~sonal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E-mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. -----Origi~al Message----- 95 froG: ricoh~J60~d~st~()r:g.~~n rmailto:ricohl060@(irstrcng.co~1 Sent: T-.lesday, t'1av el, 200'/ 3:20 FJl-i To: Karen KoLa SJD-ject: This E-rr.a: .. l ~ncludes a,-tdched file (s) sent from "RNP816.;w,·1C" (AfielD 1060). Scan Da~e: 05.01.2007 17:19:40 (-0500) Oueries to: rico~1060@drslrong.eom 96 Thinley, Tenzing From: Sent: To: Subject: DESTI058.pdf (1 MB) Tenzing, Karen Kolb [karen.kolb@drstrong.com] Tuesday, May 01, 20074:42 PM Thinley, Tenzing DEST3058.pdf -Adobe Reader, La Fortuna Attached is the asbuilt information for the detention pond. I will be sending you the bond quantity worksheets in a second email. Please let me know if you need anything more. Thank You 97 Thinley, Tenzing From: Sent: To: Subject: imageOO1.jpg (2 KB) Karen Kolb [karen.kolb@drstrong.com] Thursday, March 29, 2007 10:33 AM Thinley, Tenzing RE: La Fortuna Thanks Tenzing. Please keep me updated. Have a great day! D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Karen L. Kolb Engineering Assistant 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Please Note: imageOO1.jpg (2 KB) The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 98 From: Thinley, Tenzing [mailto:Tenzing.Thinley@METROKC.GOV] Sent: Thursday, March 29, 2007 10:31 AM To: Karen Kolb Subject: RE: La Fortuna I recommend a meeting so we can discuss the project. There are many issues that need to be resolved prior to me preparing for a bond amount. Tenzing From: Karen Kolb [mailto:karen.kolb@drstrong.com] Sent: Wed 3/28/2007 4:27 PM To: Thinley, Tenzing Subject: La Fortuna Hi Tenzing, could you please give me an update regarding the bonds for the La Fortuna project? Thanks for all your help. Kind regards D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Karen L Kolb Engineering Assistant 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 99 Please Note: The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 100 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Thursday, March 29, 2007 10:28 AM Karen Kolb Subject: RE: La Fortuna imageOOl.jpg (2 KB) I recommend a meeting so we can discuss the project. There are many issues that need to be resolved prior to me preparing for a bond amount. Tenzing From: Karen Kolb [mailto:karen,kolb@drstrong.com] Sent: Wed 3/28/2007 4:27 PM To: Thinley, Tenzing Subject: La Fortuna Hi Tenzing, could you please give me an update regarding the bonds for the La Fortuna project? Thanks for all your help. Kind regards D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Karen L. Kolb Engineering Assistant 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 101 Please Note: The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 102 Thinley, Tenzing From: Sent: To: Subject: Hi Tenzing, Karen Kolb [karen.kolb@drstrong.com] Wednesday, March 28, 20074:28 PM Thinley, Tenzing La Fortuna could you please give me an update regarding the bonds for the La Fortuna project? Thanks for all your help. Kind rega imageOO1.jpg (2 KB) D.R. STRONG ds Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Karen L. Kolb Engineering Assistant 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Please Note: The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the 103 material from any computer. Thank you. 104 Thinley, Tenzing From: Sent: To: Cc: Subject: Hello Tenzing, Luay Joudeh [Iuay.joudeh@drstrong.com] Tuesday, March 20, 20074:13 PM Thinley, Tenzing Karen Kolb; Walter Shostak La Fortuna Karl wishes to bond this project so he can close on it sooner. Can the buyer, builder, bond for sidewalk and landscape, and Karl would bond the rest? Does Karl have to have any bonds since the roads and drainage are all private? Please let me know ASAP. Thank Y imageOO1.jpg (2 KB) D.R. STRONG u, Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS Luay R. Joudeh, P.E. President 10604 N.E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Cell: (206) 229-8140 Fax: (425) 827-2423 Please Note: The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged. It is intended only for the use of the individual(s) named above. If you are the intended recipient, be aware that your use of any confidential or personal information may be 105 restricted by state and federal privacy laws. If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E- mail message. If you have received this E-mail in error, please notify the sender and delete the material from any computer. Thank you. 106 Thinley, Tenzing From: Thinley, Tenzing Sent: To: Monday, August 29, 2005 9:51 AM Townsend, Steve Cc: Bob Eddy Subject: RE: Dust Complaint West Creek Court Steve: The developer has contacted the resident and offered to clean the house that were effected by dust last week. The resident is satisfied with this request and the developer is offering to clean up houses where they haven't complained yet Fortunately, it has rained and the problem shouldn't occur, but I will get on them about better dust control during construction. Thanks Tenzing. -----Original Message----- From: Townsend, Steve Sent: Friday, August 26, 2005 3:36 PM To: Thinley, Tenzing Subject: FW: Dust Complaint West Creek Court Please investigate and respond to complainant and me. -----Original Message----- From: Horswill, Stephen Sent: Friday, August 26, 2005 3:35 PM To: Townsend, Steve; Reed, Lamar Subject: RE: Dust Complaint West Creek Court I received this complaint thru code enforcement phone duty. I originally sent it to Bernard as I thought construction had started. I gave the complainant my name and number. We continued to discuss the issue after Bernard forwarded the info on to site development. I spoke with the developer and members of the site construction management team about mitigating the dust. The complainant says they are now watering down more but the dust remains far too prevalent on/in his house and deck. The complainant says he used to work in site development utilizing heavy equipment I have the phone numbers of all the folks I have talked with on this issue if needed. The foreman of the site work has visited with the complainant at the house affected after I spoke with the foreman. I had hopes the complainant and the developer and his staff could resolve the issue together. Didn't happen apparently. Per a brief conversation today, the complainant still wants someone from DOES to see the large amount of dust still emanating from this site work. -so -----Original Message----- From: Townsend, Steve Sent: Friday, August 26, 2005 11:40 AM To: Reed, lamar Cc: Horswill, Stephen Subject: Dust Complaint West Creek Court Lamar, It appears there is a plat under construction (L04P0004) and a short plat that is pending (L05S0011) related to this complaint. Tenzing had a precon for the plat 8/10/05. What I don't understand is why Steve Horswill would be involved. Steve 107 CITY OF RENTON August 13, 2008 Steven C. Townsend, PE Supervisor -Land Use Inspection King County Department of Development and Environmental Services OAK-DE-0100 900 Oaksdale Ave SW Renton, WA 98055-1219 Subject: La Fortuna Townhouses 80:3 DC-oO I Dear Mr. Townsend; Department of Community and . Economic Development . Alex Pietsch, Administrator The City of Renton requests the files for LA FORTUNA TOWNHOUSES tobe.turnedover · to the Community and Economic Development Department, Development Services Division. The .city will be completing the process to close this project and any release of funds or other paperwork as needed. . If you have any questions regarding this action or have issues or correspondence in the future 011 this project, please contact the asSigned project manager, Kenneth Glasby at (425)430-7288. . . Sincerely, ~~.1\~. KayrenKittrick · Development Engineer Supervisor · CEDlDevelopment Services Division Cc: . Kenneth Glasby Correspondence File . ." ·I.AND USE INSPECTION· . AUG 192008 RECEIVED ~-,--~X.::G::.:O:.::8'{).:::..:17:::.dO::::C-l-O-SS-So-u-th-G-. r-ad-y-w"'-aY~.~-R-e-n-to-n-, w-· -as-h-in-gt-o-n-9-g-0S-7-'-----------'---~ , ®: ThiS paper'rontains 50% recycled material, 30% post consumer AHEAD OF THE CURVE fit" ':0:2/81/2807 14: 14 '. .. ' 4257786469 LANDAU ASSOC PAGE 01/44 FAX COVER SHEET (Plase deIIwr upon o:c:e!p9 To: Tenzing Thinley Company: King County DDESILUSD Phone No.: 206.296.7038 Fax No.: 206.296.7174 From: Date: Project Name: Project No.: IA LANDAU ... ASSOCIATES 1I •• tr ..... I PIC u ..... ....:. Colin T~rnbull February 1. 2007 La Fortuna Residential DMIopment 1005001.01 0011 No. 01 Pages (including this sheel): 44 ee; Shane Pettit Company: Big Mountain Enterprises (BMEI Phone No.: 253.299.6838 Fax No.: 253.299.6839 The information conI8ined "Ithin this fax should be considered confidential and is intended only for the persM(S) to WhOm ills addressed. Should you receIVe this transmiSSion In error, please notify Landau Assocl.atS$ Immediately and destroy the copy receIVed. 1 KC Construction Field Reports 1 to 13 1 BME Construction Field Reports 1210 13 ONLY MCisaac: Attached please lind copies of our Construction Field Reports from our recent s~e visits lor La Fortuna Residential De¥elopment project. 130 2nd Avenue South. Edmonds. WA 98020 • (425) ns.OO07 • lax (425) ne·6409 ....... l.anclaulne.com ,e2/e1/2~~7 14:14 4257786409 LANDAU ASSOC PAGE 02/44 Construction Field Report Project No.; 1005001.010011 Report No.: 1 --- Client; Karl Beat Date: 8125106 --------------------------------------------- Project Name: La Fortuna RMicIer1tial Development Perm~No.: Location: SE 172nd Street and 127th Avenue SE in Renton, Washington Weather Condhions: Fine. 75· Prepared By: HL Reviewed By: ---------------------- Huayang Luo of LandIIu AssoclatM visited the La Fortuna resldlntlal development 1118 today at thl request of Ben Hale of Big Mountain Enterprises (BME), the project contractor. The project includes the development of 8 single-family residential lots, comprising 41 townhomes. paved roada, and underground utlHties. The design plans are referenced as follows: • RcItI HIlI EngI~ pamera. LLC. Seplerrber 19. 2005, 'La FonUIa T""""'om.",-design plans prepared IIIr SooG Cleek WIIIJer & Sewer 0I!IricI, 9 "heels (Watermain Plans and Sewer MaIn ExtensIon Plans). SIT! OBSERVATIONS Genel1ll BME was onsile althe time 01 our she vish. Work was being conducled on excavating the sanitary sewer trench along Road A (MH972-4 to MH972-7). At the time 01 our ahe vieit, an ex_to, (1(obelco SK330LC) was being used to excavate the trench and lay the pipe. The pipe was installed from MH972-3 to UH972-4. Ac:<:ording to Shane Pettit (BME), all loIs hive been filled and compac1ed prior to BME mobiliZing onsite. Sanitlry Sewer Trench Backfill The onsite 1111 SOil consists mostly 01 gray to brown fine to coarse sand wilh sift lind gravel with localized fIOCkets 01 fine to medium sand with occasional coarse gravel. A tllin layer (less Ihan 2 feel) of weathered soil was al80 observed ons~e, consisting 01 d8Ik brown silty fine sand with occasional gravel. FiVe SOil samples (TS-1 to Ts-6) were collactad for laboratory density testing to evaluate the compaction characleristics (sea attached s~e plan for locations). No groundwater seepage was observed in the open trench excavation. RECOIIMENDATIONSICONVERSATIONS The !J1Inch backfiN and compaction schedule was discussed with Ban Hale (BME) and ~ is urmratood that oompactlon for the eanilary sewer w~1 commenoe next Tuesday (1II2Ml6). Vis~ors: ______________________________ _ Unaetisfactory Cond~ions 8. Recommended Correction: ______________ _ Attachments: Stle plan pholQ!! of the sile and sampling pojnts (Landau ASsoCiates fjlel OlstrtbtJ1lon: Via !ax Kart Ball and eM E Ler'idly~ .. ·..".,.. ....... ,.ensltettMl\lIoClbllfwllqllMllIOftt;OIIhe~iCf."...to""""apllIIoN ..... "_~oItftO ....... "' ...... ,.,.,., lOO88oPn1oM IOU I:tInt. TtleptMMCl .... ~ 01 OUt" ;*= 4 ..... not""'" N(oP4IICIIIOJ ItQIIIt Ig otIIgIIIan 10: IIINII ~ "...,.nrn. llIe C6fIIMtWNtIIM ... ~~ .. _...., ..... ~~' •• I'II ........ oI~. A ~ CICOY 0I'1ftt FIM' RIDoItIl'llY Dt ...... IOIItt ........ Nlllldot.rvMlon _,."...,. ~.,..CIOtCfcrttOM MII'ar .... ,. __ " ~~ In the l'I .. d ft'eport ate IUOjKt IV r...mr and ,.,.." ~ laNleu "''''''1' PlejIIC'I ""'NIger af~. "reWMIDd FltIId RIpCII'1l1'1aUIaile precedBnceCMIr • ::~-~~r~7------------------------------------- 130 2nd Avenue SoUCh • Edmonds, WA 98020 • (4~6) 778-0907 • fax (425) 77_09 • WWN.landauinc.com 1 of 1 , , 102/01/2007 14:14 4257785409 LANDAU ASSOC •• , •••. ~ •• ,. '." •••..• , -0-_ •• -. ~ .......... _ ._ ... --• __ f'!\",* 4I~". I • La F..-taa R '1 1"1' Del' 'Iem #1005001.010.011 " rROJECl' PLANS-aeoll et4.C_Sbeft· i'CTS , ~ ~ .. .. .. • CIO .. • • • .. '" ... 5 • • III .. III • 5 ' .. .. I -0; :z • ('") » Ul () :> 0 ;TJ PAGE 03/44 I h I:: • , I , , , • , , , • , • , I ,02/01/2007 14:14 4257785409 LANDAU ASSOC PAGE 04/44 ~ • f • Construction Field Report Project No,: 1005001.010011 Report No.: 2 Client: Ka~ Best Dale: 8/30106 --~~--~~~~~------~~~--------------Project Name: La Fortuna Residential Developmern Permit No.: ~----~~----~~---- Localion: SE 17200 Streeland 127th Aventle SE in Renton, Washington. Weather Conditions: Fine, 75· Prepared By: _H_L _____________ Reviewed By: Huayang Luo of Landau Associates visited the La Fortuna residential development site today at the ~ of Ben Hale of Big Mountain Enterprises (BME), the project contractor. The projed includes the development of 8 single-family residential lots, comprising 41 townhomes, paved roads, and underground utl~ies. The design plans are referenced as foflows: • RO\t1 HUI Engineering Pa~"""" LLC. September 19. 2005. "La Fortuna Townhom .. : design plans prtP8f8d for Socs Creek Watar & Sewar Oistrict, 9 ~ (WaIBnnaIn PI_ and Sewar Main Extension Plans). SITE OBSERVATIONS Oeneral BME was onsKe at the time of our ~e via~. Work was being conducted on exoavating the sanitary sewer tranch along Road A. At the time of Clur site visit. a backhoe excavator (Kobelco SK330LC) was being used to excavate the Imtch and Illy the pipe and another excavator (Komatsu PC-120) was being used to achieve COmpaClion using a "hoe-pec' vbratory compactor. A dozer (CASE 580 Super L) _ used to transport crushed nClCk material. SMitllry Sewer Trench Backfill At the time of our sile visit, the sanitary sewer line fl'Clm MH972-9 to MH972-6. and lrom MH972-6 to MH972-3 had been inslalled and backfilled w"h excavated native soil. Based on visual observations, the native soils consie1s 0' medium de".., line to ccers. sand with grave' (or trace gravel) and silt and ;s consistent with previous observations by Landau Associates. Standing water with depth 01 about 0.5 It and width 01 about 31t was observed in the open Irench at \he northern side of MH972·9 (al the time of 8:ao.m). A pumj) _ been used to pump water out of the trench. Ilia ll18Umed thaI the source 01 waler was from rainfall overnight. Density tests were performed al existng grade (se8 atteched results). from MH972-9 to MH972-6. the density teats Indicate thai the soils below 4 It 01 IinaI grade were 90 peroent or greater 01 the maximum dry density (MOO) of a praviously testad soil sample (T5-4, TS·3) as established by the ASTM D-1557 test procedure. However, from MH972-6 to MH972-3, the density lests indicate that !he soil dawni. were below 90 percent of the maximum dry denSity (MOO) of pmiously tested soli samples (TS-l Bnd T5-2)_ It is our Opinion. based on aur obeervalions and testing, that the fill placement and compaction in the areas observedllealad was completad in g,n,ral accordance with the project plana and specIIIcallons wjIb the ptWltioo Qf the area be! ,een MHfl2.6 and MHIZ2-3. Vis~ors: ______________________________ _ Unsatitlfactory Condnlons & Recommended Correction: Ae-compact from MH972-7 10 MH972·3 Attedwn.rrts: Ej.ld Nm"!!I' !ltnsjly Test A!IOO!t, IU plan, MojstUre-d1!!Sjly rala!jgnsbjps 01 TS-1 !P TS-4, and photoe /landau Aeaociates file\. Distribution: Via fax Ked Bast and BME lMIct.u ........ , .... , ... A ... CII\IfI8""b __ ~oItlWcmbI2l11'~, IDfiDNrt~_the---.III'''''''''''''''. nlntDOft HMo_101M. OurdIfM. ""-,,...... and ~fA our IIId ~ dO not ,.... .... CllnlNdorfflllm III ...... til .... connet\III ~ n.. oonI,..,,.... .. '-= .... ,Iot ... ....,Md ... IIIIIIIIMI •• ralGM.MII ........ .,.~. ,.."...,.."."."ofllN pllllClFIIJMM't...,..,.~....,. ......... tfttt .... ~ ..... ~ ~.ttwlI;r~WIdIar ..... 1 ,""' ... '. =.':;..--~'.T ... -.. ----... --·-------· Signed: ~ 130 2nd __ SOUth • _l1li, WA 98020 • (0425) n8-0907 • 'ax (425) 771Hi4OII • _.I_uinc.com 1 of 1 ·02/01/2007 14:14 4257785409 LANDAU ASSOC PAGE 05/44 " , 144 1\ \ \ 140 \ \ 1\ \ Material Source: TS-1 on .... SamDie 136 \ \ _\ 1\ Material Description: ... to __ SAND .... 1Ime! and \ \ ala 132 \ 1\ Test Method: ASTMD1557C 128 \ \ 1\ \ TEST RESULTS (less than 3/4" material) ~ ~\ 1\ Maximum Dry DensIty: 127.8S1!!!! 124 ~ \ \ Optimum Water Canhmt: 11.1 % 8 \ 1\ Percent Gma\er Than 3/4" Sieve: 9% U.12O .Y \ \ ROCK CORRECTED RESUL 1"5' .., :::J () 1\ , Con'ected Mcudmum Dry Density: 1S0pef l116 \ 1\ Corrected Optimum Water Content: .% OJ ... \ 1\ \ 0:: :::J • Based on !he CM method. ~ 112 \ i\ I .50 b 1\ \' ~1D8 \ \ ~ c! " z. \ \ " ! 0104 z \\ l\ e ~ 100 \ \ c..ves of 100% Saturation for ~ \ \ Specific Gravity equal 10: u O! \ 1\ " 2.BO .. ;; 98 \ 11\ 2.70 I \V2 . BO Ii I'( ~ 92 I"\.( ~ \ I " l\ , 86 '\ '\.1'1. 54 ."'-1'\." l!i ~ ,'\. ~ '-1...'\. ~ SO 0 10 20 30 40 I Weter Content in Pelcent Karl Be9tlLaFortuna FigUre Il~ Tawnhomes Moisture-Density Relationship 1 RenlOn. Wit ,62/61/2667 lq: 14 q257786qa9 LANDAU A5SOC PAGE 66/q4 :, . 144 1\ \ \ 1\ 140 \ \ 1\ \ Material Sourw. TS-Z on.-te s.nple \ '\ 136 \ \ Mab!riaI OesaipUon: fine til COlI ... SAND wlltlllr.qj .... \ \ .. 132 I , \ Test Method: ASTM D 1!157C 128 \ \ I ~ \ TEST RESULTS (less than 3/4" material) \ 1\ Maximum Dry Density: 131A1 ~ 124 \ Optimum Water ConIient: 9.2% 1 \ \ \ Percetll Grea1er Tiw1314" Sieve: 7% ... 120 ~ \: \ ROCK CORRECTED RESULTS' " 0 \ \\ CormcIed Maximum Dry DenSity: 1!1ll'!! 8. 116 \ \ Corrected Optimum Water Contenl: 9% .. 'tI \ \ ~ ~ 112 • Based on the CM method. \ \ i. .~ ~108 \ \ <: \ \ .. .. c \ 1\' .. 5,04 ~ ~ \ 1\ or I! I 100 \ 1\ ~ Cun.es of 100% SatundiOn for 1\ \ SpeciIIC Gravity equal k> ~ \ 1\ 260 ,; ;; 98 '\ \' 2.7D I '(:\V280 ~ 92 i \\ i '\ :\ "-88 ~ \ " \. ~ 84 \.; '\., ~ "\.: ,"\.. ~ Q ~ ~ '\. "k '-,. Ii 80 Ii D 10 20 30 40 ;; i Water Content in Pet cent Karl BestlLaFortuna Figure 14~ Townhomes Moisture-Density Relationship 2 Renton, WA ,02/01/2007 14: 14 4257785409 LANDAU ASSOC PAGE 07144 144 1\ \ \ 1\ 140 \ 1\ \ \ Material Souroe: TS-3 DlHIIa SM!pIe \ r\ 138 \ 1\ Material DescriptiOfl: fine to _. SAND WItft lraveland ~ \ silt 132 \ \ Test MeIhod: 0\8111 D 1557C 128 \ \ 1/ \' \ TEST RESULTS (less lllan 314" material) \ \ ~ Maximum DIy DenSity: 127.4 pel' 124 I , \ Optimum water Content 10.21 % 8 • \' \ Percent Gn!IIIer Than 314"' Siew: 13 '!fo u. 120 oW \ \ ROCK CORRECTED RI'.SUL TS· .0 '" () \ \\ COllec:lJed Maximum DIy DensIty: 130 I!!?! 8.'16 \ \ Corrected Optimum water Content ."" .. .., \ \ c R112 • Based on the CAA metllod. \ r\ s .E " b 1\ <\ J. .. 108 \ 1\ i 0 It ~ \ r\ ~ Q 104 1\ \ 1\ ,. !! i 100 \ 1\ t\. Curves of 100% saturation for " r\ r-,\ $peo;jfic Gravity equal to: ~ \ \ " 2.60 d ;; 98 \ \' 2.70 I i"( .) 2.80 i 92 '\ ~ Ii! I '\ ,\ \. 88 '\ \: l\- I '\ !\. '\ i 84 ~ I\-'\. " ~ ~ '\.1,."-~ 80 0 10 20 30 40 i WaIer Content in Percent Il~ KaII BeslILaFortuna FtgU19 Tawnhomes Moisture-Oensity Relationship 3 Renton, WA .1'12/01121'107 14: 14 425778641'19 LANDAU ASSOC PAGE 08/44 ( . 144 1\ \ \ 140 \ 1\ \ 1 Material Sourre: TS-<I on-eile Sam!!!! 138 \ 1\ \ 1\ Malarial Description: .... 10 _ ... SAND willi grwel Mel \ \ dl 132 _\ \ Tell MeIhod: ASTII 0 t557C / ~ \ \ 12$ \ \ TEST RESULTS (less IhS1 314" mateIiaI) , \ MaDcimum Dry DensIty: nO.3 pef 124 \ \ Optimum Willer Content $.83% J 120 ."'-\ Pen:ent Greater Than 3/4" SIeve; 11% <> \ .'\ :<i ROCK CORRECTED RESUlTS' :J 0 \ \' Correded Maximum Dry Density: 132pcf ;0 118 D. \ 1\ ComIc:ted Optimum water Content: 1% .. ~ \ , t112 • Based on Ihe CM method. \ 1\ I ~ b \ i\ \ 'f; 108 Ii \ 11\ • 0 i\ ~ ~ 1\ ~ .. 0104 Ii: \ .\ ~ l \ \ CuMlS d 100% Saturation for I 100 u \ .\ Specific Gmvi\y eqUiJlIo: ~ '" \ i\ 2.00 d ;; 96 ... \ ;\ . 2.70 I 2.00 l'( ,J, i 92 ~ .. \ L~ ~ \ ,\ I \. 88 '\ \: 1'1. 84 "-~ 11 I\: I\.'\. , [\..~ ~ 80 .. 0 10 20 30 40 i Wale< Content in Percent Karl BestlLaFortuna Figure 14~ Townhomos Moisture-Density Relationship 4 Renton. WA IA~TU PAQf; OF Field Nuclear Density Test Report .2 1'ft000CT NAME: u Fmura •• idltldll Dowlope. PROIECflCO. l00300L01001l LOCATIOII: 58 l'72nclSlreel!!,!d 1:17lb AvenueS'E lalt.eDfOR, Wllbinl!!!! DAre DI/JCW6 QJJ!NT: KV'''1 IlENERAL CONTIIACroR: •• MGUN.lift Entl:rprl!a WlIATIIEft: B!!!75" snCw..TY SUBlDN'I'RAcroR: " ".' I,' • 1{'~"111"1If'\11~ li~l1·T';~ YlUATtHO pr..,,'Tt QAQIl.T"I'J'S; 1'J~ler l4lO ~,.t;lrr nORMSE!Wf_ VUllA11HO lOLL" G.\CiIi.NlJl4DI!.R: ;L1!l3 PAUmOLOT WA~IkMIa£N HtJti.P;.CI KomaIy 1S-liO STA."mAI.DCQUNr.k W-S'O I'IUl.DINO PIID P1'QOVER!J( SHUN FOOl' 'AOU.H oo.:ulOI SAXITMY .... WfJ , UH.ER 1!l'.Cmc.4'11grJ: 1IG1aI1DJ1£a1 ~nI\mD PROC"1'WlIAWI'M II: IIID 1111 IIII&D iMID:MIIiII.II. Ru II ....... ·· 'U~II;·g.lIa. Da Qnuin) golJo'<4*lIli1S.'>=lft) Ot'"awaMUMDEHm'T 7$-1 ,1l1.1po! !lDD 10 'IlOMC Ts.4 lao..1pcl MOO II II OMC 2 t/ .• .wotmJU mtln!NT 111-2 '3'.~""C 9'1l0Mc 1'S-5 130.3pc'"00 9 'IlOMC 1'11.) '27.~!lDO IO'llOMC GlNlIAL I.OCATION IUVA1"~ bLOW ""IIH "u.x.oaY "'0Il DRYDCNlln MOII1UU "'"'' TIIII'ID 'TISr fill. III ca. .. lII!IIID imJI !IIIl -..,rcul.,c. a m1Ilt's:JlQ1! &IIW.11 1 400 .out!> of MH97l-9 -,~ 130.3 8·i ...... l11A 11.2 2.20 90'lI0 Pus 1 lOll .. 1Ih of MH912·a • 31t IrIA '·i_ 1'26.1 11.9 1.90 99'iL Posa . J 61\ _Ill of MH922·8 -51'1 127.4 8-....... 119.7 11.2 1.2C 94'l1> =1 4 1M! KIUI1 .. .rMH972·8 -5I't 127.4 8·j ...... m.2 10.1 O.I!C 95'l1> 5 belWCell MH972·6 a: MlI972.J -,~ 1l7.4 8-iIIdIos 124.6 01.3 ·5.70 9 ... p"" 6 16ft nallh or MHm-6 -,It 121.4 i-inehOd II~ 10.4 0.40 93\11, P ... 7 101\ _I d. MH972·7 -,n 131.4 &-inelia 1111.2 II.) 1.30 82\11, Fall 8 I"' ... , of MlI972·6 .SIt 131.4 .. -107.3 10.9 1.90 8291> Fall 9 _ MH'17H a: MH912-6 -SIt 1l1.4 8-.. eheo '~7 U ·0.60 80'lIo Fall 10 Il0l ..... Mll972·'.t. MH972-4 .5I't 127.9 8-lncl1a 911.' 12.6 2.60 78'to Fail II lOII_ofMHm.3 ·Sh 127.9 i·in_ U19..4 B.' -1-'0 86 .. ~ I'M*!"- lVDP BX; IU. L.-AMICII:IIiD" .... wu. ......... I.lyc<iI.1Cr"t oprN!OCIIl.I1illtcCOIIIID *Ii'''' r,oi_ •• ialDIII."U"~'D'b:taIlIl*"'llc", lIIirlpOft !bOII,plAloulow gm,wmax, CIIT "'-l n...-, UI't(IM"-dOlI rww~ ... dll ~lnlil .. Ik(' .. 1IUtIIIr (ra. hi Qb ..... IO.-._ltW:rul ......... 'I1ItClDMlle'lor ...... 101I .. ~1MiIy rcr d. • l_tolprojoclalIOOS\OOI\WIPlT\IC01OO1_CFft..U)TA..11 co '" .... '" ~ .... '" co co "" ~ '" ~ '" '" '" '" "" "" '" '" '" "" .., i c ., ~ ~ Hi co .., .... '" '" ,132/61121307 14:14 4257785409 i , ... .,.~~ ...... -........... --.--~--- ~ .. ... • ~ ~ .. .. • . ,' LaFD~P ... , ".tDe ..... _ ttOOSOOt.OlUU . , " PRon:cT !'I.ANS -SIIMt 11Il4, c. ... SIaeCf I'I'IS • LANDAU ASSOC PAGE 10/44 .. ... .. ... • .. -.. ... 5 • i .. i • .. n ~ VI -;) > a i'l -i ~ Z P ;;; u ~ .. · · • , • , , , , • , , ;, , • • >II - I h ," , .. " . '" tii I;'; 'n ,,1 =1II-pIa<ellohl ~ -(----) CFR# 2. 11/I'p/' . 62/6112067 14: 14 4257786469 LANDAU ASSOC PAGE 11/44 IA~IATES Construction Field Report Project No.: 1005001.010 011 Report No.: _3=---__ Client Ka~ Best Date: 9101106 ----~----------------------------~~~~~ Project Name: La Forluna Residential Development p",,"~ No.: Location: se 172nd Street and 127th Avenue SE in Renton, Washington. Weather Condition,: Clear, 70' Prepared By: _H_L ____________ Reviewed By: Huayang Luo of Landau Associatas visited !he La Fortuna residential deYeIopmenl site !tlday at the request of Ben Hale of Big MounIain ~rises (BMEl, the project contrBdOr. The projaGt includes the development of B ~ngle-lamily residenlialloIs, compriSing 41 1Dwn.'1omea. paved roads, and undergl'tlUOO utilities. l"hI! design plans are referenced as loIkMs: • Roth HII Engineering panne", LLC. September 19, 2005, 'La Fortuna Townhomea," design plant prepated for Sooa Creek Water & Sewer [listric;!, 9 sheets lWatermain Plans and Sewsr Main E>dension Plans). SITE OBSERVATIONS GenMaI -sue was OI'I8fte at the tima of our s~e visit. Work _8 being conducted On placing and compacting material In a sanitary _trench along Road A and Road B. At the lime of our so visit, a backhoe excavator (Kobelco SK330LC) was being used to backfill tranch. The excavator (Komatsu PC- 120) was being used to achieve compaction USing a 'haepac' vibratory compactor. Sanitary Sewer Trench Backfill -At tha lima of our 8~a visit, the sanitary _ line from MH972·t 0 to MH972~ and from MH972-6 to MH972-3 had been installed and backfiRed to about 1 It below final grade and compacted using a ~" Vibratory compacblr (Komatsu PC-12O). Road B was bacidilled to about 2.5 to 3 It below final grade. Density tests were performed at existing grade (SM att8ched mufts) and compared 10 the maximum dry density (MOD) of a previously tested soil sample (T5·4) as established by the ASTM 0-1557 test procedure. The results are summarized below, MH972.10to MH972-Q -dansitytestB indicate that soils _e below 95 pereent of an estimated MOD. MH972-9 to MH972-6 • density tests indicate that soils were both greater and legs than 95 percent of an estimated MOD. MH972-7 to MH972·3 • density tasts indicate that SQils were leas than 9S percent of an estimated MOD. MH972·11 to MHQ72-B (Road III -density tests indicate that soile were les9 than 95 percent of an estimated MDD. It is pyr opinion. be'M on our gbaeooatjons and lUtIng. that the fIJI p1ec'O'!!I'It and C9mpaGtiq) in the !lI!W 0Il8e!VedIIeste was not completed in general accordance w~h !he mpject plaQl and specifjcatjprw Visitors: ________________________________ _ Unsatis!actory Conditions & Recommended Correction: It was discUssed with Beo lBMEl to rH!j!lT!p!I!Ct aU the backfilled material. It was agreed that a single-drum vibratory Will be used !Pr 'ydace cqnpaction. and that "'"""', Associates will re-I!!!!I on 91 06106. Attachments: Field Nucklar Density Tnt Seport, Site olan, and phoW (Landau AsSOCiates filel Distribution: Via laa Kad BMt and BME LandIO ~,..,.......,.. .'aOfllltl .. tD ....... .,.,1ane oIlh.ccmr,.., "-'lhd.ro 10m.,.,.. ~ IfIttldlQulq OII ..... opmdonI. andMElOn fhaea otIIftillllK Nt _ eIIIIn. n.lIfWIf'OIaM HtI\iIIha tI o..-lIiIId .:;:p: ........ do TKt ~ II. GOnIIBdcIr ilOln •• aDII9l11Dt1 1111 ~ COIIO'IC1UIIrtQUI,.,..,.., 1l'It nnt,.,...,.."..,.....,.,.,.IbI/IJ''*_...,-=I ... ~ .............. ~IIf _____ , A ~.,OI "'" AMI JIIepon may ~~.-.y a& ~tIw'" ~ ... .,....""... ~ IIfICI'ot CCItICIIuIIDftI MdfIr .. _IIiIII ..... . ~in ... ,..JIIIIOot .. fl" __ .., ...... ~ ....... ,.....,.or ......... A........., ..... I'IIDGr'I ... _~ .... a --. $igrwd; ./J '30 __ 'G.~"""WA 98020. (025)'17&<1807. fax(C15)~. ___ .com 1 of 1 lA~u PAGE: OF Field Nuclear Density Test Report #3 PROJECI" HAM!!, La fgl'Mll Raldel'lttll o.vtIDellKlal PROII!CI' NO. IOOSDOI.OIOOll LOCA TIOf/, sa Ill~ ScrtIcllMd 127m Aovl:lIl1C,sEilIltene. Wutu!:lon DATE; OMIli06 CLI1!NT, Cullul OIINERAL COHTltACTOR Hil MollOllifl En!!!i!1'iars WBATHER: f1a!. 73· SPEC141. TV SUBCONTRM:rOIl " ... ~")T."'-I'f'Y.~i~: ,,:1<": _ . . . • YWRATfHQ PL~n: GACillYP15: TlDaiet l410 ,n"T S101t.\1l1iWel VDIATIN'Q IIOLLU GilG6Nt.'MllBIt: l5W I"ARKlNOUn' w;\'lER. -'MDt KO£.MCk KQnIIlJLl.PC·llC ITAl'I'DARD COUNTS: MO-63g 11IJlD'lllCirAD I'T'O 0Vl!lU'JI 1IIE!l'I foar Anl..1.1iI DCoZ6111 SN«'tAJIY:leWD. i """'" UI~ThJl(.vnIDIIDIlm ~UUII_ PIIOCTgll6iDl II IUlJ TUTBIIJ.lLII £MD"UII~IIIIIIIID:IIl._ g~..()atimum Q:p DeMIt'll 90" (dftV9Sil R1!) OPN'\xWlHII PlMrrY n·, 1r7.a,cI MOD IO~OMC TSo4 130.3pd MDD II ~OMC 5 .. ,.'" :WOfS,TI;UCOHreNT 1$-2 131....., MOD 9~OMC n..s 130.3pCl MDP 9 ~OMC TS·) 127 • ...., MIlD ID~OMC ,. • , f'liJ.' i1. TUT aDfI&AL 1I)C.A""'" .U.'fATION 1£1.0W m1IIf ..... ,,'" 'lOll DaVII...,-y IIotODtUQ 0 .... 'D'I'ID !III. LDI ...... lIIIWI1 11m! lIIII --","a'*" 1C'CIMP&mIB 12 lin lOalll or MH971·9 -c.m 130.3 8-'ru:1Ia 120,4 9.9 -1.10 92'110 IJ B._ MH972-8 .t MH9'12-9 -o . .!~ 130.3 ,·, .. beI 129 •• 8.6 ·2.010 99'11> 14"" l!Ift IICXIb 0( MJWn.8 -O.SI\ 111.4 8-iodioo m . .! 9.4 ·o.w 100'111 -.!L 11ft .... , of J(H912.,& -2.511 IlM 8·in,bca 118.a SA ·1.60 9:l1l> 16 tin ..... or MIG72· \l -1ft 127.4 8·i ...... 99.4 9.' ·0.50 78'1> 17 ISft _ill 0( MH9'n·8 .. 4UII 127,4 l·inchll3 1J9.8 IU 2.20 941l> 18 ZII\_o(MH91H -0.511 I27A 8·lnc .... 119.9 12.1 2.10 94% 19 41ll'uaUib or MH9'12·1 -o"ft 117.4 84 ....... 126.5 8.1 ·1.90 99 .. lO ... _. MH91Z-8 I: MI!9n-6 -O.Sft 117.4 1:, ...... 117.6 8.1 .I.!lO I~ 21 6!\ nanII of MHIl72-6 -0.:1. 117.4 8-1ru:hos 120.3 11.:1 1.50 941l> .....lL. boIw .... MH912·6 I:MH912·7 -0 . .111 1l1.4 8-1_ 119.6 11.8 2.l1li 91" 2J bclWlmMH97Z·5I:MII912-6 -o.lft 131.4 8-incbos 112 6.i ·2.2 151l> 24 110_ MH9!2-4 I:MH9'12-5 -0.51\ 127.9 a·lac"" 106.9 13.2 3.2 14% 25 45f1 .... ' of MIIm-4 -O.5f. 1l7,9 8.1nm.. 106.2 12.a U 83 .. 2~ 30ft .u. or MHm·] -0.51\ 127.9 84 ...... 108 13.] 3.3 14 .. 27 15ft """" of M!I91M -0.51\ 130.] 8·1a"", 106.1 9.1 ·1.9 81'11> IS lotl ... 1hof MH9!2·10 -o..!fl 130.3 8-_ 110.6 11.1 0.1 85910 HMIllrih Tmmu' HI. w.a AIU::ICi_ ~'RI_.w.I_IIIo~~gpaaIJ_G' IU ,,, .. lat ioitatjlhll."C_ opiUuaa.kcn IIw a._, .. ' lIItIIIolCIILIQIIII.:aI NpAltI_ a_nlllo Dill' RXvmwtmlXi caT dJ .::MaIL .... JllUClICII-iIIII.I&Ii\1IiHd'r3ur 11e11l1qll_1d",. iVlCllIlia"i ...... lI\IIICllf "" .. i .. ""~~1iIIft1 ~""'IUII NIl ..... lbc(Olln: .. rKIIIDIlCIkrtlpalliGIJir," ,1M uatCID \\j;_ ..... ojIcIlI'OOS'4Xl'1IWIPll\lOO500'_CFR.3.,DTR .... ..,.... 8IIIIW Fail P ... """ Pw Fail Fail Fail Pus Pa .. Foil FAil Fall Fail Fail Fan Flil Fall "" '" ..... "" -..... '" "" "" ..., ~ A -A A '" lJ1 ..... .... tIl '" A "" '" r ~ g ~ ~ -'" ..... .. .. . 02/01/2007 14: 14 4257786409 .. , ..... , .... ,. "" ,'" ", .~-.. _. --... _--_ .. ... " ........ " .... De. Ira •• IllJl5Oiuitl1J .. .fIlOD:Cr 1LARI-..... l.:C, c-aac:' Nl'S R •• LANDAU ASSOC -• I .. --;; • z ,-' " PAGE 13/44 () » • • Ul • • • !") • > ~ 0 • OTI T ;:'t---/ I I ·~2/~1/2~~7 14:14 42577864~9 LANDAU ASSOC PAGE 14/44 IA lANDAu " AsSOCIAltS Construction Field Report Project No.: 1005001.010011 Report No.: 4 ---Client: Ka~ Best Date: 9106106 --~~--~--~~~----------------~~~~=-Project Name: La Fortuna Residential Development Permit No.: Location: SE 1721111 Street and 127th Avenue S~ in Renton, Washington. Weather Conditions: Clear, 70· --~----------------~~----~-------Prepared By: HL Reviewed By: --'c5}'="''--___ _ lfuayang luo elf Landau Associala IIisited the La Fortuna residential de>eIIlPO.M!nt I!IiIe \Delay at the request 01 Ben Hale elf Big Mountain ~nterprisas (BME), the project contractor. The project includes the deveIopmlllll 018 Single-family reaidetltiallOls. comprising 41 townhomes, paved roads, and underground Lllilllies. The design ~ Il/e referenced as follows: • Roth Hili ~ngineer'.'9 p_. U.C. Sep\Olmber 19. 2005, ..... FolVla TownIIomes; deoJign pI""8 pll!p8red for Soo$ CIeoIfc Water r. Sewer DioItrict, \I ~ (WllIeIInain PI .... _ Sewer MIIln E-.sIon Plans). SITE OBSERVATIONS 0 __ 1 • BME was onslle altha time of our she visit. Work was being oonducted on excavating trench at MH972·1. At the time of our site visit, a backhoe excavator (Kobelco SK330LC) was being used to install MH972·'. Sanitary Sewar TrancII Backfill . AI tile tlme Of our site visit, the sanitary sewer line from MH972-'O to MH972·ij and from MH972·6 to MH972·3 had been installed. The trench was backfilled to about , It below final grade. Road B was backfilled to about 0.5 It below final grade. Previous areas where d.n.~y tests indicated unsuitable soil compaction were re·evaluated. Density tests wens performed at e~isling grade (see attached mulls) and compared to the maxmum dry density (MOD) elf a previously tested soli sample (TS·4) as estabished by the "STM 0-1557le&t procedure. The results are summarized below. MH972·10 to MH971-6· density tests indicate that soils were below 95 percent of an estimated MDD. MH972·10 to MH972·9· density tests indICate that so~s were below 95 percent of an estimated MOD. MH972·9 to MH972-6 • density tests indicate !hat soils we" greater than 95 percent of an estimated MOO. MH972·7 to MH972-3· SOils wens not re-compacted and ,...tasts were not oonducted. MH972·11 to MH972-8 (Rosd 9) • densny tesiS Indicate that soils were below 95 percent of an ealimated MOD. R is our opinion, based on our obsel\llllions and testing, that the fin placement and compaction in the areas observedl!ested was not completed in general accordance with the project plans lind spacillcations with the exception 01 a few areas as noted above. V~kors: ________________________________________________________________ _ Unsa~stllctory Conditions & Recommended Correction; II was diseUSHd with Ben (BMgJ to !!H!Q!!lpac! alt the hlG!sfUIed mafldaI. It was awted that 8 Aingl,=drym vibratory will be used for sUrface mrmegtion. and that LIndau Aeeoojutm wilt ... 1881 on !It' 13 /08. Attachments: Fjeld Nuclear Density Test R!!OO!1. ske plan. and !!holos (Landau Associ. file) Distribution: Via fax Karl Be$! and BM~ 1JIfMIN~~ WI!I~'~loo8&:loMt~ ~""'~ICMH_ .• fetfII ___ IIbGJI""~oI~"'''''lIIIIftIIOIt 1"-11 iIIIJHIInlIlCII our an. ThI ~ """ MtvIIIn of tu' ............... _tIM ,.-..IIteCllfMdDrtfrarn .. ~ tonlMt ~UIII ~ "" ~ ....... ~IDr"""'IftGNfI'tIII'IOd •. ~.nd __ .. 01 tGflal'llelleI\ "P~CDfIrrl" ~ ~r.,.bllp!'OIIIII8CI""'At.~ItW"'GbeIMIIDn..s~ ~.rdx"c:anc:ll.aMIndIorMCOiI="""'" ~ifI;"'RIIIIid fIWon_~""""_"""'lIW'LlIldIU~'''''''''''''''or~ A.-dPield~$haI_~OIIIIf. --. S~;. __________________ _ 130 ~nd Avenue South. Edmonds. WA 90020 • (4;!~) ne'0907 • fOK (425) 778-1J409 • www.landauinc.oom 1 01 1 I4~TIS PAGS: OF Field Nuclear Density Test Report '4 PROJICr NAMB: La ~. ~~I"D"IIcpmf!!.t PROIEerNO. 10000OOI.OIOOIl LOCI'I1ON: SE ~ s... = li1!ra, AmallBSB in R.mon. W_lnlD. DATI!: 9!ll-CLJBNT: X.IBu. OENERAL CONTRActOR, 81. NcNaaIo BnICrFi- WIIA'TlfER, PI!!!I'2· SPECIALTY SlJllCOI'n'AAcmR; ,1'tIi;~iTIT.I'.I" ... , .... >~tll:m{.l YIHA"t'DffI "A'TII ..-rne Tla>IK:IoIlO ITRSIiT troa.w Sr.wER V1QAtll'fO IU:lLLER QAO~ NlIMBD:. l@ '.uJlINQ{·OT WAlEJI MAI:t 1IDIW'At:J: ItcmaIMl PC-122 STANOMDCQUN13: MC=6lIl IUD.DlNa.PM) FTOO......u UEID'! FDOt JUUII. Deola 1II1\HJJ'AAY IIiM" < OntFA BJ;mI:6m1rt ImlDIMINTI ·MODIDmaOC'l'OI fASTM II JUlI'IUT IIUlCl,D fMDD..&SIII_lmlklllllllilx UM'·QaliIIIlllilta DlIlIIb:~ 90 'Ii !<4ru!9Iti!!::!!Il 01' MAJC~M alNlrr'l' TS-I 117.8,GlMDD 10 tiOMC TS" 1:111.3,,, liDO II ti o/ole , flo IJ WOD"J\IM COH'I'SHT rSo' IUA,elMDD t tiOMC '!'S·5 lSO.Spcl MOD II 'JiOMC TSo] 127.4, .. McD 10 tiOMC i' rJ, I '. rvr GlNII4L J.OCAnDN DIVA1lON IILDW flNIlH • n _ .. DRY DI.'VrrY lfOIlI'IlIIIl .... 1'UI'II> & l1li alWlE IIIIiIII:l lImB ilIA -_oJ. • '~'tD1:II1l1 ..!!!!L "Iosl tl2.111l1ClU1II or MH972-9 ·o.'!) 130-3 I,""h .. ID.4 6.3 ·4.70 95 .. RTI7 R .... ' tl7, 1.!(lIoulll or M1I972-8 '0.'11 131.4 a·inches 132.4 7.6 ·1.40 101 .. RTl! R.·1at III, lilts .. ", of MII972-8 ·0.511 127.4 8·lnI:hca 126.8 8.1 ·1.:20 100910 Rnl R ...... tlnl,6Ct oorth at MlWl2-6 ·0.51\ 127.4 I·inl:h .. 122.1 10.7 0.10 96'i. !tTl7 ...... fl7. 3'ft IIX1lI of M11972·9 ·0."" 13D.3 8-incho 110.3 9.8 ·1.20 as-. RTla H ...... Ill, I OCt loulll of M1Wl2·l0 ·Ml\ 130.) l-lnoho III.' 7,1 ·3.20 91% 19 all,.... MH91Z·111: MII972-1 ·o.,n 127.4 1-inl:1Ie. IDI.7 8.3 ·1.70 a, .. B!M'!P: mnm'x' tiL. .........,~·~.lI't' .... "*'III.CIWr\.cp:r.lliI'll\l.rlh.IOI .. IOI'i4rD1iA:4"'t.nD •• q ........... ''''~w..pa:alu .... _.rtdxulapilaJelllll;11_ Rlvunpmm OIl ~Ucn 'DI ".ILI ami :adIrri~lIerow l1c .. fIl ...... ~.MUII rdil¥t III. C'ftftC!III' ""nlli ..... 1ipI ... III ~I ~OIIIrwo.u1~ n. ... ,.InIIIIl".~$Ok ~iI)o b!;ill: udIIlfudl:l!.l_lIlaob..a __ .... ____ .. r.,_1IIIdIraa. \1E~.I .. IIIIC10511lQ11WIPl1\10/l5OC1.CFR...4_0TR .. ....... IIIIIIIolJ !'au Pus Paa. Pus Fall Fail Fail ~ '" '" "'-'" ~ "'- '" '" '" --oJ ~ A ~ A A '" (J1 --oJ --oJ CD '" A '" "' r ~ g ~ ~ '" ~ (}1 .... .. A ~2/el/2ee7 14:14 42577864e9 LANDAU ASSOC PAGE 16/44 .. ""~_ "., .,/". ,' ... ', .... , __ ~ •• ___ ~R •• _." • ,-.. ;;; .... •• liN .. ~ • i .. ~ • i .. ·1 = () "'. .a .... • iI » • · • , .. CI1 , , -• • ~ • : >-· • , 0 • ;: :T1 z T o I I .... I..P ..... ,Il .. ~D."' .. ' •• .nll4lSe81-l10l11· " '.' PRoacr l'LAMI-SIooet 1 0(", c..er_' N1'S . 02/01/2007 14:14 4257786409 LANDAU ASSOC PAGE 17144 Construction Field Report Project No.: 1005001.010011 Report No.: _5 __ _ Client: Karl Best Date: 910B/OS --~~------~~--------------------------~ Project Name: La Fortuna Residential DevelOpment PermH No.: Location: SI: 1 nnd Street and 127th AV8l1ue SI: in Renton. Washington. Weather Conditions: Clear. 70' Prepared By; HL Reviewed By: ---------------------- Huayang luo of Landau Associates visited the La Fortuna I1!&IderItiqI dIMIIopment siIe tIIday at the l'8<1l*I of Ben Hale 01 Big MOIlIlCain Enterprises (8ME), the project contractor. The project includes the development of 8 single-famify 18SicIentiailols, c:ompriIMg 41 townhomes, payee! 1OfIds. and undetglound utilities. The design plans are rafelllnced as follows: • Roth HiD En~eling Partners, LLC. September 1 g, 2005, 'U FOI1una Townhomes,' <lett", plans p_red lor Soos e .... " Water & Sewer Olalrlot, 9 sheet. (Wal8flnain Plans and S_ Main ElCIension Plans). SITE OBSERVAOONS GenenoJ eMI: was OIlSi!e at the fime 01 our site viSit. Work was being conducted on excavating 7 side sanitary sewer trenches along Road "A' between MH972-1 and MH972·2 (111 to #7 from west to east lor Buildings 1 & 2), SanilBry Sewer Trench Backfill At the lime of our sHe viai1, the 7 side _ trenches bellUcen MH972-1 and MH972-2 (for Buildilgs 1 & 2) wen! bacIdlIed and compacted 10 within to 4 to 6 II below final Nlgrade. OensHy 1estI went performed at exisIi 19 grade (_ aIIached results) and competed to the maximum dry dInIfty (MOO) 01 a previOusly 1es\8d so~ sample (TS-4) lIS established by the ASTM [)"1557 Ie8I procedure. The IClIUlts are SI.4II1marizad below. MH972-10 10 MH972·9· densHy tests indicate that soils we ... below 95 percent of an estimaled MOO. It ic our opinign, baald on Our observation. and testing, that the lUI ""'Pr'"'1!nt and compaction in the afl" t!lMlYedI!ested Was no! completed in genera! accordance wI!b the projllC! pial!! and soaci!iC8l!ons, Vmijo~:~N~oun.~ __________________________________________________________ __ Unsatisfactory CanadianS & Recommended Correction: Re-compacting and ("valuatjon On 9113 t1l6 AllachmenlS: Field Nu'i'M' Oens~y Teat Report. sjle olan aoc! p/loI08 (Landau 4mri'1es file I Distribution: Via fax Kad Bast and BME Landau AuGc:Ia ... '~'-.,. OIl" .. , 10 ~ OS!"aMIiI", of the contrGtOr 1d1111II4If. IA fr;.m, ~. 8bOUI tIIIIadeqU8ey er",MII' ,"ration .. n IWIO'I ~ ...,."IOM lilt 0./' tillOM. '"'" (IjI"""'ct II1d teIIMItH 01' (llir f\tk:t ~.tlVe dg flO! r ..... tno ~tlClvr frvm Itt obIgltlOrlltlo II'IUI eoNrtetual nql,lIr.,,1fIIL TN E:~ *RlIOIe ~I'\I fOf '"' .. tna inti ".....,. opwadDn .. IIftd MqMIICII tI e&ftfNl/CIIIorI, A 0I8IrnINwy cap)' ellM ~itkI ~IM)' be Dr.QlAcMd ~ It ... dIeftce~ .. fIIId ~io'I WIII~~, CbMM4lanl.lldl'lItatlMlll!lfon5 ~ '8Wlln\I8I.~S =~--" 1.;tL-...... .,,..,~·IIfIIIId~ ......... A .......... -.... ....... ~ .... Signed: _. _ ~------~V~--+----------- '30 2nd Avenue SouIh • -. WA e8Q2() • (425177S-!»07 • lax (425) 7711-B409 • _.Ianda,*",.COII'I 1 01 1 l4~lATlS PAGE: 1 OF, Field Nuclear Density Test Report #5 PROJECT NAME: La fll""DI. Rctideodlll Dc!!!!:!lIEIlal I'1IOl1!CT "0. 1_1.010011 LOCATIO,.: !B t12nd Stn:IeI",1i l21tb A.aue IE in ReG1Cn 1 Wlllhlnpe DAm: -ClJENT: K.tl ... IlEN'ERAI. CXlNTII ... CTOR: iii M""""'I!0~'- WB.o\TIIIIR: 'PIno,,7O' SPI!CIALTY SU8COI'fTlIACTOK: "I"~ ,.,.TjTj"ii[f't"I7."r".(Ii,: Jl~ln:r:i~ 'f YWKAttilfO PU.TJ aAuame: Thl~. !:43C) "', .. 1TUIl'" !i£Wf.R YJUAnNG JCl.l.!I (iAt;& NUMilElt: lS§13 rAAXJNo!..OJ' WA"I'IrR~W.'( HDtH-'ACX &aI!!!" PC·l~ STAllDMD COUlf'l'S: Mc-1il0 fn.'U.outc..1 PAD nOO'Yt"RiX SHID' rooT ROLLD oc.:2l0l !1M""" JIrWnR < 0"",, lellrDIc .... nga U,gJaIMlNlJ ·MQlldlRlJ PROC'1OllI6nM :D Ltl7l 1151 BIIIILIS iltIIINdllIl •• Ib:IIZlDilb g~,,::·amlm •• lla o.:*l YO 110 ! .... l! 95110 2:!!!l CI'~I)'P.N~Y 1'5-1 127.0pel MIlO 10lloCMC TS-4 100.3pcI MDO II IIoOMC 1 .,. 'I MOJITUlI! CONnwr TS-2 131.41'el MOO 9 ~OMC T$.' 13CUpcfMDD II !IIOMC TS-) I :lUllel MOO 10 !IIOMC ,. i'li ,-1'1 I. JUT CIIaAL a.oe,li,lION ILl9A'UOfiI IELQWnfUK D.Y ,I:OIE D., DINIn'Y MomllJD .,.,e TUn:I> ..... T \IlL 111 CILlDI UIIIIIX UlDI !all -"''11 ... +1. 1~INMlQtI lIIIIUI 30 EUlofMHm-lside ,,_h '1, 8!!!1:.1 511 130.3 8-inc:ha 107.4 13.1 2.10 lIN Fail 31 BoI,oI MH!n2-1 .ide ttendl In. B!!!I. I ", 130,3 8-1_ 103.2 9 -2.00 79'111 Fall .....1L Bulo( MH9'/Z·) lido creach 113, Bid •• I 5rl 130.3 11-__ 108.6 11.1 2.10 83'l& Fail 33 B .. , 0( MH972-) '" hIIe" "'" BId •• I '" 130.3 II-iach .. 101.1 12.' 1.$0 83\\ Fail 34 EUI 01 MIl972·IIld. """ch ", 8!!!1.1Il 511 110.3 8·lIIch .. 101.9 11.7 0.70 84'6 Ful 3' lI,on of MH\7I2-1 ad. omoch Iffi. B1!!1. III 'II llD.J I·inch .. 121.~ Jll2 ·0.80 93'6 Pas. 36 But ofMHm-llldIIlnllOh 117, B!!!I: III 511 130.3 l-incIM& 121.1 IU 0.90 93'l1o Pass mlalill munlXi HI. L ..... ~' ",-, __ ' ... .,111,.10 ~"'fINiGIIII oIl.t.l;lIIINI:lllfldlrn~cottrra 1tIp~ "tlJll ~,.01~ up:~ ... dtqlCfI,lJII .... lOo1IIr lIi!'tRWKDlli caT fI_1. n. .......... lClMliDg' Nt""" rc;taaaW/iwdDlIIIll'd..,. t. CIIIII'III:IW fnllD1b~a ... _I ~Q/I_L1IIIlW:PlIftlJll:n., T'tt .. n .... r_b." ..... AliIldJly br!li. ...... - I\Ecfmda/&\ora) ... oIt005l0011WIPlT\I00IOO'_C"UI..OTR .... co N .... '" -.... N "" "" -.J -'" -'" '" N I.J1 -.J -.J CD '" '" co '" r ~ g ~ ~ 01 -CD .... .. .. . 02/01/2007 14: 14 4257785409 • _ •• J ••.. _ •...... ,',-••••• ~~ ~ __ & ____ •• -• I --, • I.a~F " 17 'D Ap _ IlllOSlit.81UU PIIOJECTI'LANS -...... fIl4, c.-aRt' lmI . LANDAU ASSOC a .. PAGE 19/44 ;; :: n -, , , , S .. • -• , ~ • , ):>0 , , • 0 , ill ;"1'1 T b=="'6'I:--I I I •• '0216112007 14:14 425778&489 LANDAU ASSOC PAGE 26/44 1.l~IATES , Construction Fi,?ld Report Project No.: 1005001.010011 Repon No.: 6 ---Client Karl Boot Date: 9113106 --~~-------------------------------------project Name: La Fortuna Residential Development Permit No.: locatio": SE 172nd Street and 1271h Avenue SE in Renton, Washington. Weather CondItions: Cle.r, 70" Prepared By. loll -:"~:"':"':--------R-ev-ie-W-ed-B-Y-: ---4}-=----- tblyallg LIIO of Landau AsSOCiates visited \he La Fortuna residential development ake today at the request of Ben Hale of Big Moun1ain Ent8IpIises (BME). the projacl contractor. The pcoject inCludes the devIIIopnen& 018 single-family n!IIicIeNiailols. comprisiUIJ 41 tow"hon_. paved roads. and und«grOund uti6ties. Tho design plans ..... ,""".iCed as fOllows: • ~ HI! ErIgIneefw"'!l Partn_ LLC. September 19, 2005, "La FOIIuna Towmomes,' deeign plans ~ for Soos Creel! Water & Sewer DislIicI, 9 sheela (WaIeImaI" PI.-and Sewer MaIn ExWIeIol\ Plans). SITE OBSERVATIONS GeMraI BME was onsIte at the time of our site yj8~. Work was being conducted on .xcavating slormwat.r trenches and p~. installation acf,.:enl to MH972-6 to MH972-6. StormwaterT'-'CIl B.cldil At the time of our $«. vI~, wG were informed by Mr. Hale that the hoepec had been mobm~ed offlile and as such no compaction would occur today, No soil density testing was performed In sit.. Future soil density testing will ~pend on the schedule of construction. V~~om:~N~on~es-__________________________________________________________ _ Unsatislacloiy Conditions & Recommended CorrectiOn: ______ -" Attachments: Sjte plan. and photos (landau AssocIa!!!9 me) Distribution: Yja fll! Kad Best and BME ~ ......... ,....,. ...... ONIIIIIOIIIyIDCIIiIIItwO VPlJdanI af IMCIOIIIMdet ~ 10 "",",ap.Nei'lStIeOII(tlltldlquacydtJlaM..,-.'" aNI ~ It-....,. ~ClllcIMII. TIIt,.,... .... acIMItt 81_" nil I ..... 1IGf ,......". ~1JaIn III ~ tonlllltCl:lntIldllel.........,... The 130 2nd 11_ Sou1h • ~ WA 118Q2(J • (425) 778-0&01 w lax (425) 778·&409 • _.landauinc.C<liII 1 of 1 , , '(!j2/~1/2{!j07 14: 14 425778[,469 ,.,,/ .• ~ •• r, ,., .••••••...• -,.-•• --•• ~~-. ,- ~=:r.:i! Ill' . DeieIDptIIIIId rlOJECT !'l.\NS-'" 1 or 4, c ...... 3Itrir· NIS LANDAU ASSOC i I .. -.. -'I .. a A •• PAGE 21/44 0 ):. • • • (II • I • n • • • > · • • 0 I · • m ! • Z I • • p lA , , '02/01/2007 14: 14 4257786409 LANDAU ASSOC PAGE 22/44 Construction Field Report Project No.: 1005001.010011 Aepol1 No.: 7 --- Client: Karl Best Date: 9121/06 Project Name: La Fortuna ReSidential Development Permil No.: Location: SI?: 172nd Sireet and 127th Avenue SE In Ranton, Washington. Weather Conditions: Clear, 70' -~------------~~~~----~--------Prepared By: HL Reviewed By: _dl=L.... ________ _ Huayang Luo 01 landau Associates visited the La Fortuna residential development site today at the reqoosI 01 Ban Hale 01 Big Uoufllain Enterprises (&ME). the Project contractor. The project includes the deveIoponenI elf B single-Iamily residential lois. comprising 4 t lownhomas. paved roads. and ulldetground ub1ities. The dI!IIIgn plans _ raleranced as follows: • Roth Hill Ens;r-ring Partners. LLC. SIiptomber 19, 2005, "lJI FoI1UnII Townhomea," deI9I plans plllpered fur Soos Creek Water & Sewef Dislrict. 9 sheels (W1IIeImain Plans and s-r Mail ElIIension Plans). SITE OBS~RVATIONS General BME _ ensile at the ~ma 01 our s~e visit The stormwater trench along Road "A" adjacent 10 and beIween MH972·1 and MH972-2 had bean bacldilled and compacled using hoepac compactor (KomalUS PC·l2Oj. Storm W'" Trench Beckflll 0ensiIy tests _ pelfo;med at eIdsting grade, see attached results. The density tests indicate Ihat IhG SOils _tess than 115 percent 01 the maxftIum dry density (MOO) 01 a praviously lested soil sample (Ts.. 4) as 88IabIished by the ASTU ().1557 test procedu,.. II _ racommended to Mr. Hale (BME) to Ie- compact aU backfiIed material along the stormwater trench between MH972·1 and MH972-2. It was discussed Ihat Landau would nHWIuate tna soil density after a I'IHlOfTII)aCti eIfol1. It is our OPinion. based on our obs!rvations and testing that the fill placement and comoaction in the areas observedlles!td WM not GQI!lpl!l!8d in aenera! i!QCOrdanc!! w~h the proJect ""'" and srertflrnttloot· V~~o~:~N~~~ ____________________________________________________ __ Unsatisfactory Conditions & Recornmenclecl Correclion: R&:eqnp!!ct ,I! !he bac!djled material aJong lhe slorrnwatef trench betw8en MH9Z2·1 and MH972·2. Attachments: Field Nuclear Oensjtv Test Report, site plan. and!)hoto& (Landau Associales liIe) Oistribution; Voa fax Kart Best and BME l.,_AnocII ... 'i ............. DMIIiIdGt)rI('l • .,.~DlII'Ie~~,,.,brltODlnIoflIlIbautIM ...... vfthoft..,.ICIfI •• .wf8DOlt ,ms.apIftJ(N IolUdfIIt. TN ~ INI .... elw ta6ct ~ de ,.,.. ......... CICII"IhIHf tram'l ~ "''** eorI~ ~ 1M 130 2nd AYen ... South • Edmonds, WA 811020 • (425) 778-<1KJ7 • 'l1li (4251 n&-e401l • www.-. ...... com 1011 PAGE: OF IA lANDAU As50ClAns Field Nuclear Density Test Report #7 PROfECf HAM!!: La_._.da! o. ... IDpom' PROII!CI' NO, 10000lll'oi ~ 011 l.OCA'T1ON: SI 1T2M Streot and IZllb Aven ... 8EhI. alllloo. Wuhinltaa DATI; ll9I1l106 CUENT: KIll!!!, OI!NERAL CONTIt.\CTOM: lis MIJ!&!lain E"'Ttrpritca WBATHIiII: CIcM,7O'F SPECIALTY &UBCONTllACTOIl: 'I'~".[I'" JI~'t . 1 '1 .• • YDRAnMJ ft.A"'" 0AQ!I1Y'I!: Tro,,",3430 ....... ncltMll\WUl YllMTHl ROlJ.FJI OAGINU .... : JWl l"AIIIKlNOLQT W'A'rnllfAIN _"""11(..,,,,,, pc.119 tfANDARU COUN'T1; _30 1t\I1l1)l1'(U rAD FlU O'll't;HWC "JImI!1S KIOTlOUEI DCoZIOI $MIITAAY IEW'!R """"" .IPKCDIc ... TInN aamlllll'llM.jj .HQ:DWikbflllC'lWm IADM 1I111ll,..... RUl1LD IlrtnlLMeeIp._ Do DIaIIl1.s:mJI::·gm--.... DD: DnuH\o! !Ill. j_ ~,. ! .. ftl Ol'MAXalIDII DMIIIY Ta·, 127"11<110100 10.OMC T5-4 130,~!IIlD II '100M<: , ~ ,. 1ICOI!Jl1JU C<JlIft'r.NT T!-2 131.4pcl .. OO ~ .OIolC TM t3l).3pcI !IIlD II .OMC TS·3 m,4p:lMOO 10.Ollle iT lJij"jJ~'i""lln7, 1Vl' GlNlaALl.DCATIGI( I.LnAnCltf IlLOWftNIIH UAX.DJlV paoac DRYDINIITY 'IOlITUU IIMC TURD _ W OMD& lIIIIIII1 IIIEIII lIdl -......... !II ,g~Z":llWl: 37 lOf. But of MH912·1 -on 130.] I-inchc. 112.8 9.6 ·1.40 81% 38 9Il/\ W .. I 01 MH972·2 -on 130.3 8·in<:b .. llU 11.9 0.90 88'11, 1IM4I111i DlDPO! HL t.aMllU ~ "pI'I~_'" taIII!t-...... ~.,..._.or. 01111." i*DIi&d. 1D1anJopWM .. 1II ....... IOlQt\lloll~ Mld1lpaltlll.a,llklatIDCIIIC IINJJtWIInDI CBT !!2l. clMlt. .pr-.._.cM'*"I:IIII""W.~ ... IIDII"mintCIIIGliln""'lk=ilallbOJII!c::e.O_fIOalllnlll~lIII. na'~~_.,._ilIrJr. .. " II&tndottIIprcJ«ts\IOO&\j)01'WIP\1\1001C101_CFf\..7 _OTR •• II • ·TI$T IIIUI.D Fail FaJl '" '" ..... '" ~ ..... '" '" '" .... ~ A ~ A A '" (J1 ..., ..., <D '" A co .., r i ~ i '" w -.. .. A . , .02/01/2007 14:14 425778&409 •••• , •• ~.' .. h,. ,.,. ", "" .• _ •• ''''_'40 .. _·· i1 ... 1' ...... 11.11,1 IWDoo ....... eat 1/1l1C15OO1.D.OOU' " " PR.OJEC1'Pl..ANS -Sloat I .,4, c.-"" N18 LANDAU ASSOC PAGE 24/44 -• ;; J-.... ...... Col" .. ~ • I ... -• ... § :; 0 ~W .... .. -... • ):> • • • § .. U1 I I -I n I ':i • > ! ; 0 I .~ .... • :z I -----I., ., 9 II·. .-.. .. ' ", ' z 1-Ja..pIMe IltI4 t1oIIolt7la1 r-omdIed nDItt) CJ'It# 7 9/zl/,6 . , . 02/61/2007 14: 14 4257785409 LANDAU ASSOC PAGE 25/44 Construction Field Report Project No.: '005001.010011 Permit No.: location: 51: 17200 Street and '271h Avenue SE in Renton, Washington. Weather Cond~ions: Clear, 65· --~------------~~~~----~-------Prepa/'8(I By; _H_l ________________ Reviewed By: 61 Huayang Luo of l..a/Idau .4\I;sociaIes visiIed the La Fortuna residential development site today at the request 01 Ben Hale 01 Big Mountain Enterprises (BME), the projed conlrlclOr. The proj8cl includes the development 01 8 s~tamily residential lois, comprising 41 Iownhomas, peWd roads, and u",*goound utilities.. The deSign plans are referenced • follows: • Roth fill Engineering Parlnel'$, LlC. September t9. 2005. .L.a F_ TOIOWlhomes; design pIaos p18parad lor Boos Creotk Water & S_r Dlstrfct. 9 ,_ (Wale"""in Plans and sawer Main extension Plans). SITE OBSERVATIONS Genenil landau was requested to a!Tlv, around noon to evaluate backfill compaction 01 the wet,rmain crossing for the southern half of SE Pelrovitsky Road. At the lime of our art. visit. BME was onsn excavating lt1e watermain trenCh. W· iilllin Trench B8CIdiI ...... iIII-$Ii ..... wiIsky AaIICI According to Mr. Shane Pettit, the backfiI and compacting wo'*I be conduct8d tomorrow. As I1iIqUBSIed by Mr. Petti! a soil sample (TS-6) was collected for IaboraIoIy density testing 10 evalua1e the ~ charac:tarisIic The 8HI sample IlOI1IIisted 01 gray 5I8-1nch minus. BME proposes to import this material for trench baddili. No soil densilytesting was perfonne<IlOday. ViSitors: IlNIlIQ!1!l'IL-_____________________________ _ Unsatisfactory Cond~ions & Recommended Correction:~ Au.ct\ments: Site pion Distribution: VIa tax Karl pm and BMS I.ancIIII AnocI ... • ~ M. onIIlt toIIIy iO abQNe opnllOnl of In. (lalItNatO!' fOtrIrIIIad, 10 form Oplf'llOM 1lIGU'I II'It fldaqlHlC)' m IhDN opmtiMJ, " ,.11 1tIq •• I;JJIInkwIa tD our c..m. TI'I4II DfWlllClIIrIII ICtMIIIt LV Our "1II_ ... lnIattve dO fiG! ,.". .... "" «IntrtclOl' tra'" "I. e&IIplIOtI tv mI8II POnlP'IcIUII ~ Til. eanrrlctor ....,.IGIII ~11lIIIII, lor ,It ... ..., m:lN~, ~. 1l1li ~'*"ItIO. g4 conllructlon. A~..",_ .. ,.AIIooIt..,.ptOIII6Id...,..~ ..... ~ ... ~ ~1I'CM:Ir~MIkII.""' ••• "1II'III ......"., In IN f'IeId __ ... ~ ., ..... _...won IW I.IndIu #tIIDcIIIIIs' .... ,...,... OfdellgllM. A ~ AMd,.,.". ........ ~.,.,. --~f} Signed: at 130 2nd Avenue South • Edmonds, WA 98020 • (425) 778-0907 • , •• (42~ na-e409 • www.land."nc.ccm 1 0' 1 .. ~~. :- 42577864e9 LANDAU ASSOC Cf":;CAOF ... I • I " II' _. __ .. J.. .---.t=;=:t:=::;~tt srre OEVELOPMENT PI.AH PROVIDED BY DA STRONG INC . .... DIIIQI IIlllCL • • UIIfS 1 • 2 5 3 3 4 • 0 • & 9 7 S B , TOTAL • UNITS ·1l1li&----....... I _. RII&III:H__ _ I-.... _ ......... -ft I FlREIIETER SERVICE NOTES: J T -..-- ...., UIILIl'EII .. 1tMA CAllIIIR)fIE YOU DIll 1_a • ., ---ne_-.:-..o1lMl II1II_l1li __ _ ..,. ... IWL .......... r ~-=l:;;: ... .., ~ , », tat ~ PROJEcr I'LIU'IS-.... l.r ... c.nra.cr' flITS --, -_ I __ J . . .' ~. , . .... ' 3 "' 117. PAGE 26/44 ..... ;' . -. .~. t · 02/61/2BB7 14:14 4257786469 LANDAU ASSOC PAGE 27144 Construction Field Report Project No.: 1005001,010011 Report No.: 9 ---- Client Kart Best Dale: 10110106 ~~~----------------------------~~~--~ Pro;ect Name: La Fortuna Reslden11a1 Devalopmarn P&rm~ No.: Location: SE lnnd Street 8J1d 121th AV&nue SE in Rmlon. Washington. Weather Cond~ions: _C:.;I:.;ear~. 6:.:5~o ______________ ----".--___ _ Prepar&d By: HL Reviewed By: -'6/"""" ____ _ Hua)'WIg Luo 01 Landau Associates Yi8ile<I 1I1e La Folluna residenIiaI development sfte today at the requesl of Ben Hale 01 Big Mountain Enlerprises (!!ME). the pnlject COIIIraCIor. The poojec! indUCleS the development of 8 Single-lllfftily ,lIIidell.ialloI8, comprising 41 townhomea, paved roads. and underground u1iiIies. The design plans are refa8i o:ed as follows: • RcIII H. Engineering ParIne!s. LLC. SepIembi!t 19. 2005. 'la Fortuna Townhcmes: design plans _red for Soos Creek Wale< & S-D1atrtct, 9 llheeiS (Watennafl Plans and Sewer Mail EXI8nsion Plans). 8fT!! OBSI!RVATIONS o-ral Landau was requested 10 arrive alUlftl2:OOpm to 8\laluat8 backfill compaction of the watennain crossing lor the northern half of SE Petro.1tsky Road. At the time of our site visit, backfill placemen!lcornpaction and asphah placementlcompaction had been cornptete<I for both inside Ian .. 01 SE Pelrovilsky Road. BME had tell a 4ft x 4ft open section of asphak on the inside lane 01 1I1e northem haK 01 ilia road alCPQ8lng the cruslled surfacing for density evaluation purposes. Watennaln TrancII Bacldil -Not th .. tlllall of SE Petnwibky ROIId A density test on expoaed crushed surfacing wilhin inside lane was pelD8I'Irfloornm~lI!dd at existing gI8de (see aIIadIecI msufts). The density test indicated that beckfiR was less then 95 peiCent oIlhe maximum ~ den!IiIy (MOD) of a previously tested BOil sample (TS-5) es allllli8hed by the ASTM 0-1557 test procedure. Results of our tasting were relayed 10 Mr. Shane Pettit (BME)-We recommended re- compect II1e Ci'USh8cI surfacing ..,... lor both inSide lanes. Landau win _llI8Ie the density 0I1ile crushed surfacing laver for both lanes after re-c:ompaction. No re-conJIIIICIw. IffOIt _ performed during our SiIe VIa_. I! is our ooinion. based on our observations and teeting, that the fill p!!lC'rnent and compactign In thB areas me 'V8dltes1et! Was not completed In general aocordancB with the project plans and soecfficatjons. VisHors: Nonel:!!llW<.. ____________________________ _ Unsatisfactory Conditions & Recommended Correction: Re=C9!!!!!!!d!be crushed syrfacing laver AtlaCPlments: Field Nuclear Density Test Reoort. Site Dian, Laboratory Testing RtlluHs (IS-5) DIstribution: Via lax Kart Best and BME 1._""'", MIKfIlW ....... 4tMJt ... CNII&lCIIeIyto .!NI"ftI ..... 1DnI 01.,. CIiRr'IIc'IcN!dIIInMed •• bm GpII1iOnIIIIIJouiI h....,.~ ... tlpII""'. W repoIt thoff Q5lllnIanf lOourcllrll rill """"'1II01CQiIIKIII 01 OtII' .... G ...... IM *,,,0I,..,.1fM; ~ frMIlIsabllo .... tl) ..... CQfII .... ~ TIW ~ .... ICIIeI1l4JU4ts1b_,b ... ...."M:I .......... ~ . .".~IIII __ IICIb'I. 4tD1 .... "CIaI31et ... ~Afrpart~bepmMfld~.uIJllldlnce .. Jl(aot.rwaan .. t;~. ~..,.CDIdaIsiDMMdfOr.OOOiI., .......... 130 2nd A_ue South • Edmonds, WA 98020 • (~2!'I) 778-0907 • fax (0125) 778-6409 • _.landa"inc.com 1 of 1 1A~IATfS PAGE: O~ FIeld Nuclear DensIty Test Report #9 PROIICfNA_ IA_Rcof_Dowl ...... , PROJECI" NO, IOMOOUlo 011 LOCATfOII: se 17lnc1 SReet and 12.11h Ana. SI Ie !eo1On. Wllbial!!!l DATE: 1011_ CUBNT: KMtBcai G£NI!IIA1. CON!RACl'Olt: ILl MGUI'Itiin Bllilerlae" WEA1l!I!R: Cl!Il, lIl'F SfBClALTY 5VBCOM'R.~crOlt: i"i..fi r.)~~:ntiiT~A ~i:r:lIJ "t I VlUAnNO JlLAn. o"'c~nl'ti: T.!!!!!!! ]4]0 ""'IIT STORM SI:;Wtl': YJlRA 11NCi IOI.IJ::R toM," NU)lIU; lHll .AJUC.L,t(O L.tH' W" TO. MAIN' Ktle.P"'K KoIa!!!!y lS:.laO n"HD#,)W COUH'l3:; MC.630 aUDJ)DlO PAD nCiQ ... lUtrx SH'E!PS ~ItUL.lU !lC:i6O! SAHn'AR" snWEI: OTHfJc IPRlD'ICA'nON BlOlJlU:MRNTl .MnDpgb lIgc:glIMDlI2 lil111111 BUllLn £MDIH!lll11 mum Ua: fta-lb. Cld~"cmdm.1I Dn E2cultl'l 510 'I !"!!l!"''1 !""m Of' MAXlIItUM UlNSlTY TS-I 127.IIpofMOD ID'IQMC TS-4 13Upc' MOO 11 '10M<: , 11· f& M(JL~l\I.!ilCUN"I15:h,"[ TS·2 ISUp.fMOD 9'1tOMC TB·' 130,3,., MIlD II 10 OllIe T5-] 127.411.' MOD 10 'ltOI\lC CnioIlJ 141 pc' MDD 1 IOOMC 1~f1:1f . 1DT QIlIIIUIr tOC''''noN U)'fAnwt BILOW tJ."(WI """DR' 'ROIl DIY UIL~lIny MOilTIlI. DMC iDlED JIll, fill . ...,. H:lIIIJI: IIII!:IlI --p'taM.t. ~ SXNrt&Jm-, )9 58 ''',o'~!!!l R ..... N of ,,"oral 11 •• !II 01\ 141 B-inahea 119.1 4.1 ·2,90 84 .. --- - R1Ma."1 rung 'X-IlL I.aadAu ~/aIQ' ~_ cadIcI ... ri)'w"bMTWIGpcrui .... UlbiCOllI,.", 1~ItIIiArll, ID):a_pleiCICII Uclll ~"",..,g/dliDM 1JIIIftIiant,.:wIlllpnlb.1ec GfIaiau IDI):If JtIYlIWIP IX; CBT dl dina. n, ,....CI .... -..IM~QjC&ll' lWd ~MIIl"'~IIOl~i'¥' Ibtc ....... , ".,i".bIia_. ~_IIWI_nlaL .... ul:rl:gllll, n. CDICIo¥W",.11II "* ItIfdIIIIIIIq kr lilt .. of IlEdmaa,..",ojIc .. l005lCOlIWIP\1\I005O!l1_CFR...J)TR.ld. 1 ~ 'ruT JIIIIIIJJ Fail "" '" .... "" ... .... '" "" '" -oJ ... .,. ... .,. '" '" lJ1 ..., ..., <D '" .,. "" '" , i ~ ~ '" OJ .... .,. A . 02/01/2007 14: 14 I , I -~.--j 4257785409 ' • .1 i, '. C I HI Tt7 SITE DeVElOPMENT PlAN PROI/IOED BY D.R. STRONG INC . . --II.DC.. .UIITS I 4 t 5 3 3 • • S 5 G , T $ . ~ 1IJi''''' 'I---~-I __ AM 1YClf'........ _ Lo ~R .. tJ. , ...... ..- I10U0fLOlIIU . PROJICT PLANS -SIMot I of 4, Omr DIet' m-s LANDAU /lSSOC PIIGE 29/44 N O. .:; .' .. , '~2/e1/2667 14:14 42577864e9 . ' LANDAU A5S0C PAGE 30/44 144 1\ \ \ \ 140 l1 '\ \ MaIl!riaI Source: TU import Sample 1/ \ 1\ 136 \ 1\ Material Description: ~mInus I \ \ 132 I \ 1\ Test Melhoct ASTMD1557C 128 \ '\ 1\ \ TEST RESULTS (less than 314" male! iaI) 124 \\ 11. Maximum Dry Density: 141.2e;1 \ \ Optimum WIlIer Content: 8.79 % 8 \ 1\ PefCel.t Greater Than 314· Sieve: 0% ~ 120 ~ \ 1\ ROCK CORRECTED RESULTS' 0 1\ 1\' COiliec;led Maximum Dry Density: 141 I!!! ! 116 \ 1\ CUiected Optimum WIlIer Content: 7" ~ ~ 112 1\ , • Based on the CM rneItIod, i1. '\ 1\ '5 .5 l:' \ \ I 0; 108 '\ i \ 0 5 ~ \ \' ~ 0104 \\ ~ u \ 1\ 1l 100 CUM!S of 100% SaIuraIIcIn ror " 0 [\ ,\ Specific Gravity equal 10: u ~ ,\ [\ 2.60 .. 10 96 I \ 1\' 2.70 ~ 92 I'( ~(V2,80 II I '\ ,,\ '" 88 u '\ '\2 ~ 84 '" [\." I'\: ~ 80 ~~~ 0 10 20 30 40 WIlIer Con1et1t in Percent 14~ Kart Best/LaFDItuna Foguoe TuwnOOnteS MoisturHlensity Relationship 5 RenIon, WA " . . ' 4257786409 LANDAU ASSOC PAGE 31144 IA~IATES Construction Field Report Project No.: 1005001.010011 RepOrlNo.: 10 Client: ~~----------~----~------------------Karl Best Date: 10/19/06 Project Name: La Fortuna Residential Development Permn No.: location: SE 17200 Street and 127th Avenue SE in Renton. WB$hington. Weather Cond~ions: Showers. 5S' Prep;ued By: HL Reviewed By: ---------------------- Huayang Luo of Lanciau Associates visit8d the La Folti.nI resIdeI1tial development Bite today at !he request of Ben Hate of Big Mountain ~Ises (eME). the project con_or. The project incIudM tile dewloplllent of 8 8ingIe-Iamiy residential lots, comprising 41 Iownhomes, paVild roads, and underground utilities. The design plans are reIeo8l1C11d as 1oIows: • Roth Hill Engineering Partners, LLC. September 19, 2005, 'La Folti.nI Townhomes." design plans prapared lot Soos Creek WatM & S_ Dislrict. 9 sheets (Watermain Plans and SNer Main Extension Plans). SITE OBSERVATIONS General Landau was requ8$led to all'ive al around 9:30am to re-evaluate backfill compaction of the watermain crossing lor the noI1hem half 01 SE Petrovitsky Road. We were Inlarmed lhat the schedule 01 work was to excavate crushed surfacing backfill and re-compaet in uniform loose lifts no more than 12-inc118a thick using a hoapac (Komalsu PC12O). At the time of aur site visit, BME was onsite constructing a curb section on the south side of SE Pe!RMtsky Road. Wol1c on re-c:on..,cting bacldin within the watermain trench had not yet begun. Landau was raquested to remain onsite and RHlVIIIuaIe the density of the crushed surfacing lawer after the re-cornpactive effort was performed. BME began removing asphalt pavement within the nDl\ttem half of SE Pelrovitsky Road at 12:35pm. W ..... 1IIIIin TNIICh BacfdilI-Northern half of SE PetroviCsky Road Density teets _ petfu.med on the crushed surfacing at about 3ft below final grade (_ aI!aChed l1iliiii18). The deneiIy teets indicate thai the soils were less than 95 percent 01 maximo.m dry densIy (MOO) of a previously tested sample (TS-6) as ectablished by the ASTM 0-1567 tesI procedure_ Mr. Hale was infofmed altha test resulls and recommended to re-oornpact. No nH:OITlpactlve effort was perlOIm«I. DensIty tests ware perlormed on the crushed surfacing at final grade (see attached results). The density tests indicate that the soils on the inside lane were greater than 95 percent of MOD and the inside lane soils were greater than 95 percent of MOD. Mr. Hale was inlormed 01 the test results and recommended to re-compact. No re-compaclive effort was performed. It is our gpjnign baaed on our pbseMttiooa and Jesting, thai the fill placement and comD8Ctipn in lbe areas obserwpdltntad was opt CQrnpllted in general accordance with the project plans and 'gecifirations. VIs~~~N~oune~ ______________________________________________________ ___ Unsatisfactory Cond~1OnS & Recommended Correction: R'tM!l!!!!!r;t the C!U8h md! DQV!!!!lent Attachments: FIllId Nuci.ar [)l!nsiIV Test Reoort. S~. Plan. DIstribution; Via !ax Karl Best and BME l..IrIaIl'I:IOI5IllII'~_"'O'IMesoll¥lDDtrMr4~rJlII'IeCIIPI"""IdMI_lIofotmoptnlDN""'''''~oI'''""~"""",, 1flOI.~. 0IIr ",-. ",.. piIWM'ICIt 1ItId~ !;If our Wd ....... U .... dD!'IOt ...... ". COIIfrWC:IQriftlm •• _""Iomtltt COf1nCIIIIlIIOul &.ails.. TlII __ .............. t)b' .. IIIIiItrMCI .. IMIhaDt .......... MCI~ot~. "~oowOl'lle,..,..., ...... PfVI4dId-r.,HIIIn!e_ ......... _II'8,..".... ~"'DDfIIIUIIIDM,""" ............ . .,..,.. ... fWd .............. ;[L'..... .... ... lMIIM&.~.~ ....... CI' ...... " ......... PIIId ...... _ ... ~ ... . -- Signed; ?L. 1302ndA __ 0 EdIi .. ods.WA _ 0 (425)778-0lI07 ol8x(425)1J8.8409 0 _.Ia_.cam lel1 I4~TU PAGE: OF Field Nuclear Density Test Report #10 PROJECT NAME, La f0rtuD!llaldaltial De\ .. !oJ!nllll PROJEerNa. 10000OOI.OIOOII t.<XATIOII: 81111114_ IIId 11'7r.bAYCftUeS!in GIOn. wuWne DATE: lOll!!!!!! CUENT, lui hi! OI!NEMl. CONTRACTOR, !Ii PlkJuIlIu. ECI!!l!:rl .. WEATH&R: SboMr.S5'P SPECIALTY SUBCOHrilAcroa: J I 1. tit I i"I{,1",,;,:rIfHI • :J1-:J1.1Tll1JTt-rl",~ .r.;- VlnATIHGPLA.n MGHn,1t. TIQI:JBr l430 .,...,.., mJRM.!IEWU VlBRAnHO JtOU.811 0NJIjNIJMII!.A. "'13 MUMClDl' WATiR M.MN HSPACK lCo!!!l!!u PC·I2C .JTMDAMII CntlN'TS: M('.:@O auu.lm'IOPAD Fl"OoveREX SHm!P.I FOOT_OLLa DCola ~NlYIIWEA. ""'.R IPI'£DICI.TIflri nllTllldMWm -MOOIIilIl aI!J£l:SlIIAATM II JIIlI nRT BllllLD r1mo.MlIIlI &I DD Dllllilfl g.w:..o..riIl •• 1ID DlMlal to '" ,«It):!" .. ~2:tru Ilt' MAIlWU'M DINlin' rs-I '17 .... 'IIOD IO .. OMC 18-4 130.3pcI MDO II .. OMC 5 .. 10 'Jo MOU.TtUCCNrrEtn' Ta.a '3'''' MOD 9'l100MC 18" '30.3pCI MDO II !U1MC n~ ,27.<\1" MOD 1C)'lIoOMC Cru.u 141 pol MOO 1 ''''MC :lin-lff , an CIN ........ 10CA.l1ON nn"nQN IILownnn lIWI.DI' .1011 hYDINIlTY ""..".. DOle TunJ) !II. III G1tADI .IUIIIIIIlt umt II1II -ptm.I+Io 21 N'1It.rP.a.l:II~ 40 SE 1'<1I'O ... kl Road, N or ......... 111 .. 3ft -3ft 141 8-illChos 130.4 7.1 0.10 92-' 41 S B PouOYi1!!!l R!!!:!!, 11 of .-olli .. l211 -3ft 141 8-lIIoboo 112.4 7.7 0.70 87~ 42 SI! "onm .. ~ Rood. II of .......",1 line 311 rlUl 141 8·incbos 139.5 8 1.00 99111> 43 SB "'1IOv11il~ ROld. NoI' ... "", Iiac 12ft flnal 141 8-1_ I2.U 6.5 ·0.50 88'" 8EM."" DlImIY· HI.. f .. nllttA.u:il"'·tI~ .. __ lDIdywollKm~o/lf"'ClIIII'lIE1IIr*l1IIo.J,LCI"'t!fial''''dlCIIla:..-...,.:,..r''MlJpcrtli",,,,,nr;,mLh_''"'IDGIII gymym·X! ellT 4J dlul. 1'lII.r-"' IIIIiI K~iiMQ[ 'c fItIJ ~nlllh .. o.lD& ~linl IlIaClrDalllttroaJ.u ..... ' ... ICI .. It:GllUUeuI,...,...... no.oonlnnrrIIIIIIU 1llll1a1lMJllll'fi"ili.,. r.r Ii. M ~Ed_ta""'jeclall_IIWIPl1l100s001_CFFUO_CTR"" 1 "IVl !.U.II.l.:JI Fall fail Pa .. Fail '" ..., .... "" ~ "-'" '" '" ..... ~ .0. ~ ... .0. '" (J1 ..... ..... CD '" "" '" '" i ~ ! w '" "-"" "" '02/01/2007 14:14 4257786409 '~· __ L "" -J-.-"'r'-...... -"-'-r_ • -SITE DEVEl.OPMENT PlAN PROWlED BY DR STRONG INC . •• -01109 ILDG.. .UIIIJS , 4 2 , 3 3 • • II • • ! 1 6 • 3 'lUTAi. 411NTS J T ---8lJIIED In'I...Ir'IE8 .. /IIIIU. CNJ...uMiYDU DU ... ' .. 1fIIIjIWtII.-.... _ ... .. --. ........ ... .. .......,.. ....... .. _ ......... c.....a-. .. La • ."... ~'t_ .,,, Denk; rt Ifl'O!IIIUlIlU' .' ..' PROJECT PLAI'IS -_. ", ... c-..... l'ft'S . NOTES: LANDAU !lSSOC ....""-- -.' '9 PAGE 33/44 ----- t r.l-Ja.pIaee _.-' t ... (~"""""':-Io) CIRII ,() ,--,,-., i . ·02/01/2667 14:14 LANDAU ASSOC Construction Field Report Project No.: _1...,:005:..:.;:..00_1,_0_10_0_1_1 _____________ Report No,: _,_, __ _ Client: Karl Best Date: 10/20/06 Project Name: La Fortuna Residential Development Perm~ No.: Location: SE 172nd Street and 1271h Avenue SE in Renton. Washington. Weather Conditions: Clear, 6O'F ~~~-------------------------------Prepared By: CST Reviewed By: ---------------------- Huayarlg Luo and Colin Turnbull of Landau Associates visited the La Fortuna residential devetopment site today at the request Of Ben Hate and Shane PeItiI of Big Mountain I:nterprises (eME), the project contractor. The projec1 includes Ihe development of 8 single-family residential lots, comprising 41 townhomes, paved roads, and underground milities, The design r;IIa". are referenced 8S follows: • AaIII Hi! Engio_io.,. PIIIIner&, LLC. Sept_ 19. 2005, 'La Fortuna Townhomes; design plans prapatad for SooB Creek Water & Sewer DisIricI, 9 _ (WaI8n'I1aIn Plans and Sewer MIllin E_ "'-). SITE OBSERVATIONS Gen",.' Landau was requested 10 aIri¥e around 10:00am to evaluate baGklin compacIion of the weterrnain crossing for the southern half of SE PetroviIsky Road. During our 11hI1lllit, Gary casad (r~ lor King Countyj and David AoseIe (rep! II elllalive lor S-Creek Waler And S-r District) conducted site viSits. An excavator (KomaI:su PC120) was used to place baddII and achieve backfin cornpaeIion. A 1.5 ton, dual-drum, vibratory roller (eoma" BW-9Q().2) was used lor bac:kfiH compaction and achiew asphaH compaction. Wlltermain Trench Backfill -Southem half of SE Petrovitsky Road AI the time of our site vis~, the _in extension had been installed and bacIdIIed to final grade with "crushed surfacing" type malerial..tthin Ihe southem hall of SE PeIroorilsky Road. A dual-drum, IIIbnslory ruler (Bomag BW~2) was bomg used for COI~. DensiIy _ """"' parbnled at existing ~, _ allached n!$UIts. The d8n8ity I8SIB indicaIe \hQt !he soiI5, in !he _ teated and observed. were less than 95 percent of the mwdmum dry density (MOD) of a previously tHled sample as establIShed by the ASTM 0-'557 test procedure. Landau recommended to BME that the trench backfill be further compacled using a hoepac (Komatsu PCl20). After additional compaction, the lrench Ine was visibly observed to have settled 2 to 3 inches. Further density lesting of the backfill indicated that, in the areas f8INd and observed, it wae 95 percent or greate, 01 the MOO (see attached resuHs). n is our Minjoo. tsz71 on our observatioos and tFng, that the fill plitremeot and sqmpactiOn in tht areas obseryed!!ested was comp!atad in pene!lll acoordance wiIh !be Droiecl otans and soeciIica!lons WallIrmain Trench B.ckfIIl -Nol1hem half of SE Pelrovltaky Road Compaction _ric and density testing results conducled yestenlay on the northem haN of SE PvIrovitsky Road were discussed With Mr. RoseIe and Mr. Cesad. Landau re-in1ormed ttle peI1iea (see Daly Field Report lONMl6) that density teat resuIIs, within !be outside lane of the northern half of SE P9IJOViIsky Road, ware IeSIIltlan 95% 01 MOO. Landau reconwnendad I8mO\'ing aephaIt from the entire outside lane above the trench ~ne, excavating 1-ft of baCkfill material and rec;olllpacting to lina! grade. Both Mr. Roselle and Mr. Casad agrwd With the recommendations. n-e recommendations ___ ..... ~ to Mr. Hale and Shane Ptait (BMI:) IIho also agreed willi the recomrnendalione. Mr. Hale requested landau \0 remain onsIIe and r ... evalualied beddill compaction pending surtace lesIOiation of the northem half of 51: Pelrovitsky Road. 130 2nd Avenue South • Edmonds. WA 9S020 • (425) 178-OS07 • fox (425) 778-6409 • www.landeulnc.com 1012 . , . 1:)2/61/2007 14: 14 42577B641!l9 LANDAU ASSOC PAGE 35/44 Construction Field Report Project No.: 1005001.010011 Riport No.: 11 --- Client: _K:.::8:::rI:..;Bes:=::..t ___________________ --=D:.:8::.te:.::_.:.'.::01:.::2.::0/:.::06_=__ Project Name: ...:la=F...:o::.rt::u.:.;na::..:.;,*=id;:e:.:n:::lia;:I:..:Deve=.:.Io=pmen=:::t __ Permh No.: After surlace restoration work on the southern haH ot the road. both Mr. Rosella and Mr. Casad left the de. Mr. Hale informed Landau thaI Mr. Roselle requested that only a small area ot asphall be removed from the outside lane 01 the northem haH 01 SE Petrovilsky Road 10 evaluate compaction prior to any further eompaClive eHort and to expand the area H necessary. AI 1:20 pm an asphalt patch located adjacent to the curb line and mauuring about 4 x 4.5 fI was removed by BME. The exposed backfill was re-compactad by BME prior to allowing landau to evaluate compaction lJSing a density gauge. Based upon observation ot Ih& compactive _Hort only, \tie backfdl genemny appeared firm/unyielding and structurally suitable tor the propo8ed pavement. It is our ooinjon hiP<! on our obS&rvations, ilia! !he lUI !!Ie!:em!!nt an<! compaction in !he areas observed was comoIe!ed in genera! accordance with th-prpjlct plans !lid specHications. Ve~o~:£No~n~e~ ______________________________________________________________ __ Unllltisfactory Condbions & Recommended Correction: As abQve Attachmenl$: Fi,Id NuClear Density Tes! Report Site plan, Dietribu!iQO; Via fax !<ad Best and BME IMMII ~ ............ -.O'IMI...., ........ 0DIfID0ne rI IrIeCllnt..::lOl' ..... , ~fOtMOf:IItIfONtIIbOIA '" ldIIQIIIcyot IhOII 0DIIIIII.'If'W..a,.,... ltWII .... Il:lOUJd' ... TllejllftMal MII..,....tlOIII'tWd~dlllIO( ....... ~I .... _abilglldcJnlO"'"'~ ~ The LANQAIJ AssociATES 20f2 i , 02/01/2007 14:14 4257786409 SITE DEVB.OPMENT PlAN PROVIDED BY O.it S"TRONG INC . . - Il.00.' .lINIT9 I • 2 D 3 3 • 6 5 6 , • T S • S TOfAl. ~-·l-·---.mc ..... I . • .. iIICtI.,.." .. • • • • . --- r: It -0 F II? 11~. ... ~~.I!mI ... Dwre.I .. $p. _lit. "00500Lt~'1U' .' . < rRo.mcr I'LAI'IS -a..tl 01"4, Cenr~' \'ITS LANDAU ASSOC PAGE 36/44 ""'" i I 3 i ,,, II~ I J. '. I4~TE5 PAGE: OF Field Nuclear Density Test Report #11 'Ro/itT NAMB: 1.& F!'!!AI aesidlclill DrfyC!OPmcnt PROII!c.-r NO. lOO:!OOI,QIOOII LO~1'tCIN: F.'7WSlIIC:. ed !21lb A'!SftL!SEift lIolOll. WMhlcl!D!! DATE: IDll!!!!!!! CUENT: uli .... CBNI!IlAL CONBACTOR: 81. MaW"-EClllllrpri!81 W1lA1'1I!R: C!!Irfln SPEClAUY SURCONl'RACI'OII: ,.I-:;,nfj"iT~"'-i1.1~ ii~1 J.;\liTt .' " VIUAnNGl'l..Ani MOP. TYft: l'flIAlor34l0 '''''"'' :n'OfI.loI st;WI2t I'lUAlDIO IOU •• BOIIIAO 8W·100-' GI\QB NUWIIKIt. .1S~! I'MIDfti LCIT WAlUMADI' KOIE,"M;K Kos!!u PC-IZO n~c.:OI1Nl1I', D IIUl1.DDlO PAD fTtiO'JENlX SKlII!P'S fOO'tllOL1P !-NIITAlY SIIWEit 0"IlID. - !PEC1I'Ir',\"O,t,1 Bmllllp'piS 'MnnOdJ} DOCTOB IdilIM ~ IEJ 1'E&T llill Ildl UdIIR:MlIllIIlIlmIla 11II1II •• rlo\Ir'llIlim~ 1m DlllIltd \Ill" ! .... l!:",. !..aru OPMAXWJUM'DBNSnY rSoI 127.9pcl MDO IO!lUlMC TS-I 130.apcl MOD II liQMC 2 '+I. '!l WOIn\IU Catnt:NT T5-l 131."pCI MOD 9""OMC TW 130.~p .. MOO II liO/olC TS·] tll1.4pel MDD IO""OMC erlllhR W po' MOD 1 "OMC 1UT GlNIML LCJ('ATION ILnATIOH I.ILOW'INIIR llAX-DlY ..-DaY DEN1m' .. OIITUU OIUt' 1dID & IIIl c_ IIIIlIIU IImII ladI -......... ImAbkllQf!I ....JL S6l'1bOYlt.k.l Road. S or Qlntrollino 4 r, Finol 141 8·""" .. 125.5 J,I ·3.20 90 ... 45 sa PlcuYitsk! Road, S or ... ,,111 Ii .. \1 n Fiool 1.1 8 ......... 124,1 4.\ ·2.90 88'i1i RT44 RHcu N4lI11:r n:<~Kt fb'ol 14\ 8· ... he. 135,1 l.7 ·3.30 96'J1. RT4' R~·rCII' 1M'.n.r nt-rnmE!! Final 141 "lac .... 131,1 4.7 ·2,30 98'i1i - --- Bwe'Ks. JlI'I'mlY, IlL 1...lIIdaI.-....oct. •• ~WI .. ,...111 mIcl'l,_vNr'\ .. .:IpIIId1il1» alacoanawldrlllillclt.C4I &Inn gpI'*""Dlllllle :uJr:lpc.YDI LfDI n,.,.IXIIl,Ur,I ftpon. ... ...,...1111 ~III AUP"'P'Y' CBT dJ ~n ... n.p....a."IIeIM"ol_4icl'lI:pntaLillMidIJlMII..a""'_~C'GIIKIL~hCDlllcUpDnn.~~c.ncNII~'I1Ie:Ol" .... t""'IDIa.~~l7ff1llilt . . .. II£CkndoIalplllj .. IOI_1IWl .... ntOOIlOOLCAF _1I_OrA .... < .. ur .BIiIIIIW FAIL FAR. PASS PASS co '" "- '" ~ "- '" "" '" -..J ~ A ~ A A '" '" -..J -..J Q) '" A "" "' I J> ~ ~ ~ w " "-.. .. ;',1, . £12/£11/2£1£17 14: 14 42577654£19 LANDAU ASSOC Construction Field Report Project No.: 1 00s001.D1 0 011 Report 12 No.: Client: Kwt Best Date: 1<v.3CW6 ~Name;':~~la~F~~~~~R~,~'-~jN~~~·~D~~~~~~==~FP~~~m~ .. n;NNo;.~:-----===~====~~= LocatIOn: SI: 172nd Street and 127th Avenue SE in Renten, Washington Weather Conditions: Clear, 40" ----------------------------~--------Prepared By: _HL ____________ Reviewed By: 41 Huayang Luo 01 Landau Associates viSIIed the La FoIIuna I'8Bldenlial development sne todIIy at the request 01 Ben Hale 01 Big Mountain EnIe/Pri11e6 (&ME), the project COl ~racb. The project iIIcludes the de¥eIoprneI d 01 8 singlHamiIy residentiallats. c:cmprtsing 41 townIIorooe, paved reads, and urldelground udIIUes. The design plans are referenced as follows: • AoIh Hill Engineering PIIII .... LLC. Seph!mboor 19, 2005, "la FOIIuna Townhomea; design plans prr!p8nrd lor Soos CteeIc WaAer & Sewer~, 9.-.. (W-Plans In! Sewer Main ExteMlcn Plans). SITE OBSERVATIONS General • 8ME was onsile at \he Rne 01 our sHe visit. WOIk _ being conducted on !8II'IOIIing scft material, "'Placing with 1 112 -inch minus pit run I\'Pe material, and COIIiPactillg fill along the Road A and Road B. At the time 01 our site 1IisiI, two excavaIDrs (KobeklO $I(33OLC and Sk160), a hoepac (1(- PCI2D). a dozer (Case 65000), and a singllHWm, vibndory roller (Ray Go Rascal 4(0) _ on site. The imported p~ run type of malarial (crushed rocI!) was sampled for lab CDmpllCting IIISIIng. SGft ......... RI .. ~.ing MIl "ep'"aing along Raed A MIl Road B -Attha !me 01 our ViSit, we observed that the Road A lrom UHII72-1 aH the way to MH972-6 to 972-5 and Road 8 lrom Mti972-11 to 972-11 _ filed willi the itIlPO,\8d maIeriaI (see attached site plan for locations). These areas ~ compacted U8ing a Y>gle-clrum, vi>raIoIy roller or hoepac. The area from Road A to MH972·10 was ellC8w1ed about ... depIh below exi8ting grade. We alSo obseMId that the area around MH972·n and MH972~ _8 excavated about 3 fI depth below ground surface and replace WIth imported maIIIia/. According to Mr. Hale the thickra8 of fill along Road A is about 0.5 fI and the thic:kne66 of .. along Road B ill about 1 It. The .. IIRUld each MaIn Hole is 3ft BME will be acIMIly 911C1M11ing, filing and ~ the remailWlg areas for the real of the week and expected to be re.Iy for our sne llislt and density test towards the end of the -"- The imported p~ run type material (TSS -cNshed rock) was cOllected lor laboratory densny testing to evaluate the compaction characterisl"rcs and is attached. No soil density tellting was performed today. No groundwater seepage was observed in the open trench excavation. V.~o~:~N~o~ne~ ______________________________________________________ ___ Unsatisfactory Conditions & Recommended Correction: __________________ _ Attachments; sne plan, Moistu~d_iIv relalionshiDf of TS-l to T5=4, and Photos of the sIIe( Landau li!!!l Difltrlbu!ion: Via 'ax Karl Best and BME LIII'IdIIIoIl AmIdarw' ~ aIIIlW'IslIe wi'" 10 abe8\Ie OP'IWII\IrJnI of \1M! conltaaor I~"*,, to iam! opi'i'ar., llbotII 1M ~ of ""'" opIJraUolIl, MCf MPorI 1hOItI ~ 10 our d/enI. ,... ~ 1M IJICthINM orour1ldll:l,,~4III.!I1'IOe""'" tie fIOfttfAClItII. from IN ~DMlen 10 ... eM!~.reQUIr!eIllltfi8. 'TN coni ... *, rete". 1QIII1'MJIIII1I8IbI1r¥.,. ... ~ lind "" 1JIIItod,,~, WI! *,14IICU '" COllWucIM AIIf!IIIIIIIMry~oI"'FIIId Rapc.t.,.M~ICIIIIII¥ .. IhIdIIr-. ... hId~_~. ~ ...... ~..rc.,0iD_ .... ~'" ~1n .... JIteId~ ....... I:IIIICII.,,...,.._,...,,,_~~'j!II'ajta,.,,..lII" .................... FIMI~ ....... ~aww. IJrIIIIIIIIIIIlJr--. S~ned: _____________________________________________ ___ 130 2nd A_ South • Edm0nd5, WA ~ • (425) 778-0907 • fax (~5) no-&lOll • _.landauino:.oorn 101. f •• . 02/01/2007 l~: l~ "'_""'" "I.,. ,On .·.,.· ......... __ .~M._ •••• - LIlllortaDa RuIde!diaJ Development 111005001.010 lilt . PROnCT PLANS -Slaeot I of", Ccmr S1aeCt . rrrs . ~ .. .. -I- LANDAU ASSOC PAGE 39/~4 ~ • ;;; .... • .. .,. N" 8'" -E ;1 ~ (') •• '" .... .... ;; • S l> · • • • 5<> lI1 • • ~ • ~ I -::; , • > • , 0 • • ;;. m .. . .. It 1 e 1loopIa .. Oold d ..... '" 1 .. 1 <_ Illadled n.uItI) crR#I" III)_.II)_.L . , '. , . 02/111/21107 14: 14 425778&409 LANDAU A550C PAGE 40/44 144 ~. "\ \' 140 '\ \ 1\ \ Material Source: 1$-8 IRIDOtt SlIm!!!! TSI \' \ 136 \ 1\ Material DesaiptiOi1: CruaIIed Rock IG/w Sandv GRAVEy \ 132 I \' ~\ Test Method: AS ... 0 1557C 128 \ i\ 1\ \ TEST RESULTS (less \han 3/4" -ale,., 124 \ ,\ 1\ MaxImum Dry Density: 132.11J!!! I \ \ Optimum WIlIer Content 9% 1 \ 1\ PeIWl.1 Greater Than 3/4" Sieve: 24 % u. 120 .~ \ '\ ~ ROCK CORRECTED RESULTS" 0 \ \\ Cor .ecied Lfalcimum Dry Density: f36~ i 116 \ 1\ Corrected Optimum Water Content ,% .. .., \ 1\' t! ~ 112 • Based on the eM method . . \ r\ f .5 {108 1\ , a \ ~ .. .. ~ 1\ 1\ ~ k 0104 1\\ 1\ '" !! I 100 \ r\ Curves of 100% Salwalion for \ ,\ Specific Gravily equal to: ~ \ \ 260 a 96 <; I "-\' 2.70 '( ,) 2.80 I! 92 ~ '\ ~ K ~ 88 '\ ,\ I\. ~ '\ 1\ 1\ I l\ rY & 64 I I'\: "''.. ~ 80 I'\.'b.'\.. Ii 0 10 20 30 40 § water ConIenI in Percent - Il~ KarlIIestIlaFOIfuna F'~ TDMlhorMs Moisture-Oensity Relationship 6 Renton, WA I. (, ,02/81/2807 14: 14 4257786409 LANDAU A5SOC PAGE 41/44 14~IATES Construction Field Report Project No.: 1005001.010011 Report 13 :--______________ No.: Client: Karl Best Date: 01m4J07 Project Name: La FOItuna Residential Development Permit No.: Location: SE 172nd Street and 127111 Avenue SE in Renton, Washington Weather Conditions: Clear, 40" --~--------------------~------P,.pared By: CBT Reviewed By: -'&= ____ _ Colin T umbuH 01 Landau AS80CiaIeG visited the La Forlunll residential development site today at the request 01 Shane Pettit 01 Big Mounlain ~nterprises (BME), the projad contractor. The pmjllCt includes !he development 01 8 singI&-famIy residential loti, compoising 41 Iownhornes, paved .-ts, and UlldetgnlUnd utilities. The design plans me oeIeIlII1C8d as foIows: • Roth Hill Engmerfng PlIIInoN5, llC. September 19. 2006, "LA FoIIuna TOMIMmee.' des9> plans """",red for SOOt c-Water & Sewer District. 9 aheets (W_in PIons and Sewer Ma/n ExtensIon Plane). SITE OBSERVATIONS Genenol BME was onsite at the time 01 our He llisil. No work had been -.tty conducted due to _ weather ~. AocordIng to Mr. PettiI about a monIt! ago, BUE CMlr-excavaied soft spot areas along the road and replaced unsuiIabIe SOils with 2-112 inch minus rock Import. Soft spot areas were icIenIiIIed by BM~ using a 7O,IlOOtI, Ioadod truck. Accon!ing 10 Mr. PeItiI, uver-excavation depths ranged frllm 1 to 8- '"' with the deepest areas roc:.d southern poItion of the n. Compaction IIIIIIS achieved using hoepat: (Komatsu PC 120). At time 01 our site visR, a hoepac (Komatsu PC120) and a backhoe (CASE 580 Super L) ..,. onsi1e. Soft II~ ""' ... wlng and R 1; , i oglilong Road A and Road B At the time 01 our visit, we a.erved 1haI imported 2,112 Inch mil'lllS rock coverecI the enlire length and approximat8 width 01 Road A and B. a-ct on observed and evaklated soft spill areas from previous testing. a toIaI of 9 lest pits were recommended ID be e' .aled and evaluated for compacdon. The IIIIached sR. (lIan Shows 1he approximate Ioc:ation 0/ the last pits. The ground surface 01 all last pitS was about 1ft below final gnIde. At the base 01 an fest pits probe peneIIa~ were .econIed using a 1 fl,inch CIameIer steel rod, gromd deIIections _ evaluated using a hoepac, and density tests performed. wile.. possible, and compared ID !he meximum dry density 01 a previously -...:t soil sample as established by !he ASTM ~1557 test procedure. Subgrade and compaction llbserYaIions 10. l1li tesl pits are as loIIows: Test Pit No, TP~' (mind. ctioI.so 0-1 jncb penetration;t oo§*'al gNrp, no CIfU'6 7t 0·411 DaIle _. _ III _ GRAVEL ..... sand end _1IifI (medium ....... moIot) (irnpmt) 1M Pit No. TP:3 U'*' ' 7 • IS Mind!..."... np.' _...,. grpuNt , 2 • -at 211) 0-0.711 DaIIe-. _IOCOIIIIeGRAVEL .... li8Ildendltal:e .. (medium dense. "-11 r...,art) 0.7 -4 II en-.. silty IineID medUn SAND ... gr_ ancI iIaC8 _ (medkIm denGe. moist) ( ..... ~ TmtPitNa.TP=4fninM p' .,DUb.",,_. -1iI:s' .... 'P"""",,,,*r en"' 0-1 II !lark _. -...'" COOl"'" GRAVEl. with _ and trace sin (me<lum dun&e, moist) ~) 1 • 4 II Brown, silty fine 10 medium SAND ... gra1lll1anc1t_ _ (wory denU, moist) c-bKIcIII) T_PilNp.Jp:6fmjn., t • ' .. 2 indJ DII ..... , no ............ no gru" ... " '''P?7'' 0-0.51t DaIIc_.-... ... _GRAVEL .... sandandtraee .. lmedlumdense, moist) f...,..t) 0.5 ' 4 • B"""" siIty"'lD..-... SAND ... gra1III1 ancIlniI:e eobIa (wory"""'. moist) ( ............... ) Test Pit No IP:8I,,*, daftet iii·. Q:4 inCh .. _!!Iipns. no "1 'tal aw!», no gruNt *' ""..,.., 0-4 It Dark _. medium 10.,.,.... GRAVEl. with sand .... \lace SOl 1--. moist) f""POlll 130 2nd Avenue ScuIh • Edmonds, WA 98020 • (425) ns·08!17 • fIX (425) ne-6409 • www.londouinc.com 1012 ·02/01/2007 14:14 4257785409 LANDAUASSOC PAGE 42/44 Construction Field Report Project No.: 1005001.010011 Report __________________ No.: 13 Client: Karl Best Data 01104Jo7 Project Name: La Fortun!. Residential DeveIapmenI PerrniI NO.: Test PH No·IP~l fn!n de!leif"eli, 0 5-3+" CMWt'IdioI-nosidfMB saying. no fIOIIPCIwatIn r -P) D - 2 • IIrown, &iIy line 10 macIiufn SAND with gravvI and trace _ (V8Iy -. moiot) (1IIIINe backfiI) 2 -411 8-. ally line 10 _ SAM> with gr;M!I _ ...... _ (loose, mcist) (-bacI<fiI) Teat PI Nat IP-' tpm den "p-'&2 indllM@lmiqn;LMEidE4;91Ff"!!9. np C!I!K.ftIt"$r! ., 0-4 II BIIMfI. sity line 10 _ SAND with gravel and trace.-(1TIIIdium -. moist) (_ b8CICIII) Recommendations and Conclusions His.,... opinion, basad on our oll8eIwticIn8. probing and testing. thai in general, flU placement and ~ in !he ~ obserwed/IesIed was completed in general acccrdaooe with Ihe project plans and specifications wiII1 one 8IfA: ....... ~ Test Pit TP·7 was found to contain UI1!IUiIabIy ccmpacIed IlIIib below 2ft from !he IIllismg grade. Test PIt TP·7 is IocaaI behind an eaisting retaining wall «4ft). T811 pits Tp· 6, 8. and 9 Clelinbelled !he area to a 40ft tong area along the _ line. It was recommended, and agreed to by 10 Mr. Peal. 1hII this area Should be re-excavaIed 10 about 6ft below existing QI1ICIa and I~ wilt! 2·112lnc:h minus rock import plaCed in Ioo$a 1ft loicIcness no greater than 12-inches pfiof to the compact1118 eIfort and backfilled to grade. Co_satlons Mr. Pe1tit Informed landau thai road paving would commence in about B week at which lime he will request boIh King County and Landau to witness a wheel roN test prior 10 the asphalt placement. ~sHo~:~N~o~ne~ __________________________________________________________ __ Unsatisfactory Cond~lons & Recommended Correction: As above AttaeI1ment8: Field Nuclear PensiIY Test Reoor! site plan, photos 01 the 8118 (Landau !ileal OistrIludon: VII !ax Karl Best and BME unar~ , .... 8IA ..... ...,'ID .... ~rI .. ~ ........ D ................... .......,.IDf ......... .,.,nIIIDft 1tID!II!I ..... Io_dItrL ,...~IftI ...... d., ... i ... *cID ... ~ .. ~~ .. CIIIiIQI!IIQrt.,_~... ... n. CIIII'IIIII8Ct:_ .... jW;O_.IOr ... ....., .... _ ....... ~ ........... tJlUI .... :. A~fIIII'IGI,.,.. ........ .., ........ .., • ......,. ... Md~_ ........... ~ ...... ~.......,,; __ .... 'l ~.., .. fII!'CI,..,_ .............. Wd ....... tr;l.m;Ii"WciCiIN&·".,...... ......... A..........,,.AIpoIt ..... _ ......... IM •• ---_17 ~-------6~-~~:~------------------------- l~..,.u A8liocIATES 20f2 '02/61/2607 14:14 4257786409 1.81' ........ (, -1' 'De.A., I.' -.-w.lll - PROJECT PLANS -SIIeet 1 014, CD..,.. SUd _ PiTS LANDAU ASSOC R •• :> 1-+-o PAGE 43/44 , T .r'ir~-"" I I ~ '--I' I h i: :: 1_· • ,-.. I··· 14~Tf5 PAGe, OF1 Field Nuclear Density Teat Report #13 PII.OJI;Cf NMIJI; ... ' ...... R=-tIlDc_ PROlI!CT NO. lij~.OIOOtl LOCATlQfI: SE ITlodStre'l!laad 121lhA .... eueSEia Ro&lO.!!: Wu.u.'DI'I DAtE: 01 CLIENT, SK!I!!I' OENl!RAL COI'mIAC1tlR: His MilnUliI:! e.nupr\aiu WIlAl1iEIt: Clew 80'1' SPECIALTY SU!COl'l11V.crott: ~ r--; ~'Ciftlil l"1[i'\,'T7.liilT. ~ ,I : J ,iT,nTT1l VEBaAttXG PLA1lI OAUE TYI'It: TnWcf ]430 ."...... STOa.\'I 1Jo'WI:Il VUlRAmG lUM..U!A !CHAp BW.9PQ:2 0/1011 NmnnDt: lS6~J PAlUUXOLOT W".".,. N.\L'II , HD&I'N:Jt ICommau PC-120 STN!IIMItD COUNt3: MC=6IIO IUlt.COIOtAo PfGoYUV( i ./IHJiBItI fOOTltOl..leA DCo25U lIIAMTARI'SI!I,'IWU, """" IlJID'ICADSI!i 1IIIIIIIIMI,1·n. .... OOD.m tIQ£mllaiDi R 11m JIll IIiII~D 'MDD:MlIllMllYlllla 1l:I1I1U:. UtIC..lhl1:lm1li1 liD lIawlhl 9OtHdft){""'>4It) OFMAXDfl'll!m::.NmY TS·l 1 :17.8 pd"MDD IOllOMC TS-4 130.3 pd"MDD II llOI.1C ---' .. ,. 'l: ~IOU.TVIUI ,0000NT !5-l 13\ .. ,.rMllD 91l0MC TS·' ,41.2 pd"MDD 1 !I OMC TS·] 121.4 ""rMDD I01lOMC T506 I:lU p<:fMDD 9 "OlllC :J'TJI].. r:,. I • TUr GL'IflllAl..LOCo\nwr tLl'Y.t.TION laOWPDIIIIt MAlL DRY PROD DIVHlfIm llC"".1i OMC TUrII) 'nIT IUIo IIIl CIUDI(tI) IIIBIIIl RmII !Idl -"n."" l~aC:II,ga ~ 46 So .... U .. ,0.110 or Bldl. I fTP·ll ./·388 +/., 133 l-inchu m 14.7 5.10 96% FAlL 41 Sewa U ...... '" of B!!I. 118ldll: 10:'.82 +/·]8S +/·5 13) H ...... 127 12.0 3.00 95'11> FAIL "MtB"; 'lJiITIOUI CBT lllllldniWIlII!laln·~"''''''lcltklylOlhllmf!'IPC:nlicallI'lba.tDft''''''IIttdIhI,''''''~_''''IIM~ol ............ IIII,uA''''~oIOCM gygmpm CIT 41 ".\1.1. 1III..-n ... ~itlliMlI'"'r 8d.I ~,..ID IIILrtNc. •• 1b enn.,., hn\iA~i:lIi"." ... ftlaRfllll ~IO. n,."r..IiSQ:1Ilf m111r16 _ ...... 1I.W~flC' iii. "" \1&!m""I~rqoCIII'OOIIOO'VNIPITll_'-OFR..t3..Cm .... " '" IV "-'" .... "- '" '" '" .... .... '" .... '" '" '" (]1 .... .... (Xl '" '" '" '" i c ~ ~ '" '" "-'" '" 02/21/2007 08:52 ~257785~09 FAX COVER SHEET (Ple888 deliver upon receipt) To: Tenzina Thinley Company: King County DDESILUSD Phone No.: 206.296.7038 Fax No.: 206.296.7174 Ce: Shane Pettit Company. Bill Mountain Enterprises IBME) Phone No.: 253.299.6836 Fax No.: 253.299.6839 LANDAU ASSOC IA LANDAU P4 AsSOCIATES PAGE 01/05 rlMlCltMVAlI9!(fte P'C-' 1 ~R'.UICS From; Colin Tumbuli ~!!!!..!.=:>!"------ Date: February 21, 2007 La Fortuna Residentllli Project Name: ..cDe=Y"'e:!:lo::.tpm!l1l== ____ _ Project No.: 1005001.010011 No. of Pages (including Ihis sheel): 5 I If_ do ""'.-iN 011_ ~ ""'" I I /y. I The inIormallon contained wilhin this fax should be considered confidential and is intended only for the parson(s) \0 whom rt i. addressed. Should you receive this lran&rnioeion In error, jlIease notify landau Associates immediately and _troy the copy received. Copies DescriPtion , Construction Field Reports 14 10 15 Message: ""ached please find copies 01 our Construction Field Reports !Tom our recent s~e lIiSita for l.a Fortuna Residential Development project. 130 2nd Avonua Sout" • Edmond&, WA 98020 • (425) 776·0907 • tax (425) n8-6409 • www.landaulnc.c:om ~2(21/2~07 08:52 4257786409 LANDAU ASSOC PAGE 02/05 II.. lANDAU '" ASSOCIATES Construction Field Re~ort Project No.: 1005001.010011 Client: Karl Best Report No.: Date: 15 02113/07 ---------------------------------------------Project Name: La Fortuna Residential Development Permft No.: --------------~------Location: SE 172"d Street and 127th Avenue SE in Renton. Washington Weather Cond~ions: Cloudy 50" --~------------------------~--------Prepared By. CST Reviewed By: & ---------------------- Colin Turnbull of Landatl Associates vis~ed the La Fortuna residential development s~e today at the request of Shane P"'~ 01 81g Mountain Ente'l:lIises (BME). the project contractor. The project includes the development of 6 single-family residential lots, comprising 41 townhomes. paved roads, and underground utilities. The deSign plans are referenced as folio'/V$: • Roth HII Engineel1ng Partners. 1.LC. September 19.2005. "La Fortuna TownIIome • .' de9lgn plans propared for Soos creet< Water & Se .... Dist!1c:l. e..,..,.s (Waterrnain Plans and Sewer Main Ex1ension Plans). srrE OBSERVATIONS Genef.1 BME was ons~e at the time of our site vis~ and Tenzing Tooley (King County DDES/lUSD) hed been informed by BME of the proposed prool-roll along the project pavement section. Observations of a previous proof-roll (Feb 5. 2007) noted three sections with deflections greater than 2-inehes and were nol approved (LAI Report .14). According to Mr. Pettit. these areas had been remediated and compacted using a single-drum. vibratory roller (Raygo RascaI4ooA). Sidewalk Section -Proof-Roll Test A loaded dump truck was observed running along the gravel base placed on the pavement sections remediated area (see site plan). Minimal detleclions were observed. Based upon observation of wheel pressure. \he pavement g_rally appeared firm. unyielding and struoturaRy suitable for the proposed pavement section. V.~~:~N~o~ne~ __________________________________________________________ __ UnsatISfactory Cond~ions & Recon1mended Correction: As above Attachments: Site pial) Distribution: Shane Pet!il IBMEI and TeDling Thinlev IKing Coynty pDESr1..USm LanIiw A;f.tICI8ta' 1'IICIftIHfIfI1~ are I!IIde IOIetJ 10 (II)Ur\oII CIpMIfbw '" \!WI oantl8Ctor IO!iI\IIIIDIL ID IDrI'IIOPIh'OnIo ilbW "II_~ of UIDR q:lI,rllflgl'tt, MIt,.p!;l11 tl'laMaoInkm to aur ClInt Tnt'"""" and MIUYIIIe. 01 our III11d repreHrlIllllM dO Mt ,.IIeVeN ~ tto.n Iu ~ kllnII!II contrtteII.* reau",",,",-Tile ~ f'IMIIk, ~re ~b • .....,,11111 IM~. CJIftt\OIIt. IIFId IIqIDlCft 01 r;ottS!l\ICIIOft It. PI",",".ry I»P1 ollftlfl FIMd "-oor1 """ bel ~ eoIeIy IS ~ce ftIat '-1/1 (ll)fM'llll1on wu wtQrtMd. ObaerYBlOn$ Iftd/oI' ~Il$ Mdlor rectJllWfllPldIIIlDns ~ ~ lII4 F*CIIWJICI1"1I ~ 10 MVl8W and!wultJgfl b, Lendlll Alaocl",IlI" ~ m..,., Or 0lIl,,*, /I, r~ FiIICS Flepgl1 ...... tak81n01' .... 1WeI'. '-~'-~/J Signed: _____ -.,,~s....:::::..----f.---------------------------- 130 2.d Avenue Soah • Ed~ WA 98020 • (.25) 778·0907 • I.x (.:!5) 778-6409 • www.IBndauinc.com 1 of 1 02/21/2007 08:52 ~257785~09 LANDAU ASSOC ---- I • i 'll V) ~ (~ . -~ & :: '""' .. " Ul _ "'_ r.C'I ~o--r~----------------------~ . I·X ~["T1 .-~ --••• ~C) "5. -1 Vi .... , lAo FortlIIIiallaidendai J)eftl .... mt 0 0 .... f-.I...--_"':> !:J PAGE 03/05 I h ~ : : : I··· I ,,' .. , ~ I i' '1005Oll1.0108n . PROJECT PLANS -$hoot 1 0' 4, eo-s.- o N1'S ~ 1 .lD-pIaee field deaoitJ' _ <_ .ttaeW .......Its) CFR# ,,~ 02/21/2007 88:52 4257786409 LANDAU ASSOC PAGE 04/05 IA LANDAU " ASSOCIATES Construction Field Report Project No.: 1005001.010011 Report No.: Dale: 14 02105/07 Cli.",: Karl Best --~~------------------------------------------------Project Name: La Fortuna ReSidential Development Penn~ No.: ------------------~------Location: se '7200 Street ancl127th Avenue SE in Renton, Washington Weather Conditions: _C.:.::lo.:.udy:.:...50:.:..,· ________________ -= _____ _ dl P~MBy. _C.:.B.:.T~ ____________________ __ Reviewed By: Colin Tumbull of Landau Associates visitM the La Fortuna residential development s~e today at the request of Shane Pettit of Big Moumain Enterprises laME), the project contraclor. The project includes lhe development of 8 single-family residential lots, comprising 41 town homes, paved roads, and underground utilities. The design plans are referenced as follOWS: • RoIh Hit Engi.-lng Pam,", LLC. September 19, 2005, "La FOlIUM T-,nomes." design plans prepared for Soo9 Creek Water & Sewer o;llriCt, 9 sheelS (WllllermaOl Plans and Sewer Main E>dension Plans). S1T! OBSERVATIONS Gemnl BME was ons~e at the time of O\Ir s~e visit togetfler with TenZing Thlnley (King County DDES/LUSD) to witness a proof-roll along the project road section. Acccrding to Mr. Pettit, about 2 ft of 1·114-inch structural fil import (gravel basal had recently been plaeM and compacted over the pavement area on top of the pt'9IIioIIsIy placed and compacted 2-112 inch minus rock structural fill Import (abcut 1 to 8ft deep). Compaction 01 the gravel base had been aChieved using a singte-drum, vibratory rollar (Reygo Rascal 4OOA). Sidewalk Secti .... -Proof-RoY Test A loaded dump truck was observed running along the gravel base placed on the sidewalk area. Based upon observation of wheel pressure, the paverMnt generany appeared firm, unyielding and structurally su~le lor the propos9d pavement section w~ the exception 01 three, 6ft wide sections (see attached site plan). These three sections had defie<:tions greater than 2·inches were delineated with paint by King County. Landau agreed with the King County that they were nol approved. Landau recommended 10 BME that re-ccmpa.ction was necessary lor two areas and that over-excavation/reptacement fOItoWM by compaction was necessary for the third (STA 16+50 to 17+25). It was discussed thai a second proot-ron would be conducted f1e)(! WMnesday Fabruary 14'h. ViSitors: ~N!!lon!!!e!!._ ___________________________ _ Unsatisfactory Conditions" ReeommendM Correction: As above Attachments: Site plan Distribution: Shane Pe\1k CaMEl and Tenzjng Thin!ey (King County OOESJLUS01 L...aflj~"· ~m ..... ,. ontilO toIIIly 10 oIIIIJro4 ~I at"8 ~~. to Ia/fl\ opinION abouI 1M WQIMeY 0I"M8 tIIMI~ If'd fepor't Nte~ toN' ~1Mt. Tn. or __ '"'" "etMtIH I)f (lur fIMI ~ IbflOll HlilMlllle coI1"~ Ircwrt \til diIIlgfltlan to~_ o;nIlaOftIIl~ . .",. canuldor ,-,"~ sale ~IIDItIr iI;!r"'DI totat)o Iftd!he rn.\hDdl.~,.1'III ~ d eor$IllIdIM. '" prtll"'lnMy ~ al "'. FIMd Report.mII, be IIra\lla8O IOIIIIY l1li111 tN1ctDnc411hI1 ""'" ~rvaI.on ..... ~. Ot!aIlMllOt\«.and/ar ~ondusIoII!I.nciIor ~nd.1I7t1 ~ In",. FI.,&d Rape" .,.1ubttcI1O r..,lltw Md MIIIIICIn l1'li' l.eICIou Astoet.te&' IIr. ~ or~ ~,.\IIIIWIIIII ~ R.,rI ..... to:d. pMC.atM. _r. preIIrJ'nlY IWJ"\ ~ Signed .. · __ --".~..:;...::~~. ---'-----1 _____ _ 130 2nd Avenue 50ulh • edmond&. W'" 98020 • (425) 770-0007 • lax (4251 778-S_ • www.IaMaulnc.com 1 of , 02/21/2007 08:52 4257785409 LANDAU A5SOC rutulll! n\~.JlI. : m La Fortun. Resiilelilhll J)ewlop_t : . '1011S00I.o10 Oil . PROJECT PLANS -Sheet 1 of'" C ..... r SINet NTS 1-+-_-':> o ~~J&\l wi ILC.. s ... ·...lk . PAGE 05/05 , • , , ~ , 1 k i::: I" I'" :j 1;;1 I 1 • 0611412006 12:48 253-848·1113 , , Date: 0611412006 12.48 To: Name: Tanzing COmnent Tanzing CHRIS PIERCE NO. OF PAGE: 3 (include this page) From: Name: CHRIS PIERCE TEL & FAX E·Mail: (TEL) 253·848·9337 (FAX) 253-848·1113 cpierce@tridentvvaterworks,corn Colll'any: TRIDENT WATER VIoORKS ThIS IS faxed to you per Shane with Big Mountain EnterprISes. Feel free to call with any queslJons. Thank you, Chris Pierce PAGE 1I.l 0611412006 12:48 253-848-1113 CHRIS PIERCE PAGE 213 • AMER DRAII\I®50 0 .~hee1: Drain PRODUCT DESCRIPTION AMERDRAIN 500 sheet drain is a two-part prefabricated soil sheet drain consisting of a formed polystyrene core covered with a non- woven, needle-punched polypropylene filter fabric on one side of the core. Thetabric is bonded to each dimple to prevent soil intrusion into the water channel, and allows tho water 10 pass lnto tho drain {"'Oro wtlile restricting the movement of soil particles wtlich might clog the core. The core provides compressive strength and allows water to flow to designated exits. AMERDRAIN 500 sneet drain is designed primarily for vertical, one-sided sub-surface drainage applications requiring a high compressive strength and a high flow capacity. AMERDRAIN 500 can also be used in selected horizontal applicati<ms. The core side of AMEADRAIN 500 is placed against the wall surface of a foundation. retaining wall or other similar structure. AMERDRAIN 500 provides fUll-coverage protection to waterproofing materials. PACKAGING • 4' x 50', 52' or 104' Rolls • Available in different widths and lengths upon request. COLLECTION SYSTEMS AMERDRAIN 500 sheet drain can be used with AMEADRAIN TOTAL-DRAIN'· shGet drain for the collection and transportation of the water to designated exits. INSTALLATION INSTRUCTIONS DBAlJ\! . .!I.TIA&HM!O!lfLM!ITI:1PD.S.: For attaching drain to waterproofing material. concrete Or wood, several methods rnBy be used including metal stick pins, nails driven through washers or wood lathing. construction adhesives or double sided tape. Discuss materials compatibility with waterproOfing supplier before using adheswes. Typically any method used for attaching waterproofing protection board will work with drain. To attach drain to bare earth. use 4"-8" anchor pins with washers. ~.';rrJ~L;. AMERDRAIN 500 may be installed starting at the top or bottom of the wall. The roll may be installed either vertically (perpendicular to the footing) or horizontally (parallel to the footing). VVhon installed vertically. the corettange should be at the upstream edge. This flange position minimizes seepage of water behind the drain similar to the way roof shingles V\IOrk. When installed horizontally. the edge of the core with the flange shou Id be at the top. H_QBl.z..QNTAJ.;. The edge otthe core with the flange should be at the upstream .side otthe plaza. Q;U!l'l!!O!!lI; Bend AMERDRAIN 500 to make inside comers. For outside corners, cut drain core flush with corners leaving 3'" of extra fabric. Wrap fabric around exposed edge of drain core, securing with tape to back side of core if necessary. BACKFILLING· Soil should be pl<lced and compacted directly against the drain. Direl.'"t compactor exhaust away from drain to prevent damage. Backfill to a minimum 6" above drain to allow for coverage after settl ament. Detailed instructions tor installation and termination are available upon request . .. iYJ9A.irpo .. t:Road .. MD ...... oe.NC· iii!8ttO,USA BOD i!4i!-WlCK' 704 i!3B-9i!OO" F"" 704 i!91i-Dfi9D www.Bntericanwick..t:om·i~aml!rlcanwll:k.com 0611412006 12:48 253-848-1113 CHRIS PIERCE PAGE 3/3 AMERDRAII\J®5DD *~hee1: Drain Technical Data PHVSICALPROP&C irES FABRICPROPEflTIES Material Grab Tensile Strength Pu nctu re Strength Trapezoidal Tear Mullen Burst Strength Elongation EOS(AOS) Permittivity Permeability Flow Rate UV Resistance (After 500 hrs.) COilE PIIOPEIITIES Material Thickness Corn pressive Strength PRODUCT PROPERTIES Flow Capacity per un it width Roll length Roll width Roll weight "TYPICAL US VALUE Polypropylene 110lbs 651bs 50lbs 225 psi 60% 70 sieve 1,6 sec·1 0.12 in/sec 150 gal/min/ft' 70% Polystyrene 7/16 inch 15,000Ibs/ft' 16 gal/minift 50ft 4ft 391bs lYPICAL 51 VALUE Polypropylene 485N 285N 220N 1496 kPa 60% 212 micron 1.6 sec·t O.39cm/sec 6110 Urnin!m' 70% POlystyrene 11 mm 732 kNlm' 200 Llmin/m 15.24m 1.22m 18kg TESTMEiHOO ASTMD-4632 ASTMD-4833 ASTMD-4533 ASTMD-3786 ASTMD-4832 ASTMD-4751 ASTMD-4491 ASTMD-4491 ASTMD-4491 ASTMD-4355 ASTM D-1621 (Mod.) ASTMD-4716 All information. drawings ~nd specifica1ions are based on the latest product information available at 'the time at prirn:tI1Q_ (".onstan! improvement and engineering progress make it neces...c;ary that we reserve the rightto makE! changes Without notice. All phy,!'i.ical properties are typical values. Standard variations in mechanical propeniesof 1 0% and in hydraulic propertiesot20% arc normal. AMERI[AN"I[K~RAII\I [ORPORAnON lii!09.4:irpa..-tRoad • MDf'H"Oe. IV(' • i!8110t USA 800 i!4i!-WlCK' 704 i!38-geoo" Fil" 704 i!gli-DligO "WWW.BlJ1ericanwick...t:om·infoQ!americanmck.com FIELD J 7.../ '/0 No.57345 1&,; JI CASCADE TESTING LABORATORY, INC. REPORT No. I ~ 0 TESTING & INSPECTION DATE ..J. CERT NO. \2919 N_E 126TH PLACE -I-I 2-3-JG";;---GJ~(·O--~ KIRKLAND, WASHINGTON 98034 (425) 8:23-9800 _EVERETT \41:~,';2-59-:-o-8T7-PROJECT COMPRESSION REPORT i A-Fo Jl.-~ '" ..... A;- LOCATION yfl'<-ll('lOlL('r I I ' / z..lc 32-SrL ,pe~, -b k", ~ I btCd {ulJ BLDG. PERMIT NO. OWNER I TO: /5D3 DC-DO { J Z:/ J~ / /J.. t/f Ji;l!::-WEATHER TEMP. AT/C'-tAM Ul. (...tltLtt.. 0Y t t% Foq'1o..{ '-;). 'T PM ENGINEEt'."" :s: D k ",.sO ,<' "J." ¥'I i"V\ "'-S ARCHITECT ATTN: £11':"''''5 THE FOLLOWING WAS NOTED: CONTRACTOR --S>e<o,\~,L FIELD TEST OATA rO, ... o.JO/..\-\\.,-,?- TRUCK SAMPLED I :1,3 TRUCK TICKET NO. Il::iB,;L q MIX Nob 30 i A- BA~AFOR DESIGN % ADJUSTED _ cu. yo. WEIGHTS MOIST. WEIGHTS SLUMP UNIT CEMENT TEMP CEMENT '-/Z'f~ TIME ASTM C-143 %AIR WEIGHT YIELD FACTOR ASTM C-1064 FLY ASf:l (p::,-a ASTM C-138 CONC AIR i tLjc tf 5'" 'IZ-C.A. 1'£2 /3,Ro C.A. .. 39&) C.A. .. AIR TEST METHOD: 0 PRESSURE ASTM C-231 OR D VOLUME ASTM C-173 FINEAGG. i 0D-PY{5 EQUIPMENT USED !.D . .3 3 WATER iD'(O SLUMP CONE CSLCOO THERMOMETER CCQTHO TOTAL AIRMETER CCOAIO ___ OTHER TYPE OF BREAK: (A) Cone (C) Cone and Shear (b) Cone and Split (d) Shear (e) Columnar COMPRESSIVE STRENGTH CYLINDER DATE DATE AGE AREA TOTAL STRENGTH TYPE NUMBER MADE TESTED DAYS SIZE (SO. IN) LOAD PSI BREAK It/13 II 2-3 11-30 I L?,;..\·L 2o, -Z/ '/L'fcc 25fo /rli'f i'Z--Z-/ '2~ I I '-COlO t.f~ . .I-(O IdfS "' 12 -Z ( 2.8 --...J -f I~05':<'C 4A.f!o CONCRETE COMPRESSION MACHINE 1.0. #CCOCOOO D ASTM C-1231 c... 3:l SAMPLING IN ACCORDANCE WITH C.3 SAMPLE P/U DATE TEST METHOD o ASTMC-617 APPLICABLE CODES & SPECS. 1 SUPPLIER c.o:;7.. I', ,; 5 CEMENT TYPE .r;. cu. YARDS PLACED /30.,- AEA \V/13» If 'i () '11 "'-ADMIX. C·I,", ". 3D3o j 18""':-CAC 12 % DESIGN STRENGTH 3000 PLACEMENT AREA & NOTES J:G. .... \\-\,)~\\5 ('.0'" L '" "-\.. "-f\&e,,,S 10"" fe<cf (' .!1 '" .:5 A I :J ,,j, ""-J. iL, k ,2.,.. h, IL- I I..l " "j TEST RESULTS APPLY ONLY TO THE ITEMS INSPECTOR(S). NAME(~~~I" "i CK':a~ , HEREIN TESTED. THIS REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL, WITH- OUT THE WAlDEN APPROVAL OF CASCADE TESTING LABORATORY, INC. INSPECTOR SIGNATURE ._ .... ~ 0- REVISED 8/04 SIGNED BY -ii!: ~~ "> COPIES TO: F S [[/10 12" d r2Jl..., BD CASCADE TESTING LABORATORY, INC. TESTING & INSPECTION = J KI.K.lAND. WASHtNGTON 980;34 (4251 823-9800 FIELD REPORT No. 1,;),,/ tJ.:1/ No.54838 DATE Oc:.I:71t £r-CERT.NO. 12919 N.E. 126TH PLACE EVERETT (425) 259·0817 /0...... ,,::<,17[7$ o 5/LJ -..;:; y PROJECT COMPRESSION REPORT 1 A 17UrVnH~ BLDG. PERMIT NO. OWNER WEATHER TEMP. AT AM e/tJLlti'"l S~"'r "3:'SAT ~ ENGINEER ARCHITECT ATTN: ________________________________________ _ THE FOLLOWING WAS NOTED: FIELD TEST DATA TRUCK SAMPLED # 12/ tzS TRUCK TICKET NO. /$,;;1 Yi? nME SLUMP %AIR UNIT WEIGHT ASTM C·138 YIELD CEMENT FACTOR AIR TEST METHOD: 0 PRESSURE ASTM C·231 OR 0 VOLUME ASTM C·173 EQUIPMENT USED 1.0. ."" SLUMP CONE CSLCOO /G/ THERMOMETER CCOTHO /0 AIRMETER CCOAlJ -OTHER --- TYPE OF BREAK: (A) Cone (C) Cone and Shear TEMP ASTM C-1064 CONC AIR BA~1FOR DESIGN % CU.VD. WEIGHTS MOIST. CEMENT ... '7";> FLY ASH ;..5 CA 7/!1" · /;;. :;5 C.A. · C.A. PL4 · <,Ji.S FINE AGG.,6.<D /CJ8'~ WATER ~1.j8 JhJ TOTAL n<i.;2.9 (b) Cone and Spl. (d) Sheal (e) Columnar COMPRESSIVE STRENGTH CYLINDER DATE DATE AGE AREA TOTAL STRENGTH NUMBER MADE TESTED DAYS SIZE (SO. IN) LOAD PSI ~Y~7 /p-/p-iJ6 /0-/7 7 4J)' ~ /7. <7 '101:20 'P{CCO ~.,..~a J //-7 .;La-r ~/%C; t-I?153b '7'-15'7 I .. .. _. ,;l8' . J ,,1000·· 4"1550 /1-7 CONCRETE Cm.'PRESSION MACHINE I.D. #CCOCOOO /. ADJUSTED WEIGHTS TYPE BREAK ASTM C-1231 SAMPLE P/u DATE -<-/..=1:7,---,-1/",-__ TEST METHOD __ ... C~-.. 7,-,"<-____ _ ~ DASTMC-617 SAMPLING IN ACCORDANCE WITH n -., I APPLICABLE CODES & SPECS. __ -,L'",--~_<.;J=,----_ TEST RESULTS APPLY ONLY TO THE ITEMS __ ~ r.n.J,:.4!'~L·l~j'rr .111-12:' ~Li:j-':::::lf~~ -.~ -~ --;L ____________ _ HEREIN TESTED. TI-lIS REPORT SHALL NOT INSPECTOR(S}, NAME(S) PRINTED ( D £1 Y ) .... ~~ BE REPRODUCED EXCEPT IN FULL, WITH-~ ~ a:ti'-t. OUT THE WRITTEN APPROVAL OF CASCADE ('j') . (J /? {J111 ~ e _ . ..A TESTING LAl30RATQRV, INC. INSPECTOR SIGNATURE \f.) .J'V f'l ~ ~ REVISED 8104 SIGNED BY ;:::::7-;:::: = .i/Pfo ==- CASCADE TESTING LABORATORY, INC. TESTING & INSPECTION 12919 N.E. 126TH PLACE PREVIOUS REPORT No. No. 12115~ V KIRKLAND, WASHINGTON 98034 (425) 823-9800 ! {B / DS- EVERETT (425) 259"0817 DATE CEAT. NO. F/ELO REPORT /I OS/D. z..lJ pr~EC~ A-D ... ~u."'A ro. J;OwvuLulZM !JU'M~dz lOCATION Pe~i-\-Sk~ 1;)..&>3'L SI[ BLDG. PERMIT NO. OWNER I SCI ~ ;;, ( Id.. v! J; AJ&f t {303D <:CO I -r tJ.~L{4(" WEATHER TEMP. AT .~[..tr~UJ AT ENGINEER ---..)>"t-."es S'" \.. ... Se '" ARCHITECT ATTN, CONTRACTOR I-tOM"'-S -::\e .... 5e.M (2) (3) INSPECTION PERFORMED ITEMS INSPECTED -FOUNDATIONS _ RESTEEUCONCRETE ~RESTEEL ONLY _ FOOTINGS _ SLAB _ RESTEEUMASONRY -STR.STIWELOING _ AUGER CAST PilES _ COWMNS -OTHER _ STR.STIBOlTING -DRillED PIERS hAllS _ BEAMS (') J~v..\l.:---J1t\\ ''J: ~ , .... 1Z' ..... ~"' ... \O(...... lOCATION (AREAS) _ t-i. -elt..IO~ (5) ----CONCRETEJMASONRY MIX NO_ DESIGN STRENGTH (re) SUP----;;-V~ "' '~ED ---ou ~ -----. SLUMP (INCHES) SPECIMENS Alii TENT (%) EE CYLINOER REPORT NO. ~S NO ITEMS INSPECTED WERE IN CONFORMANCE WITH BLDG_ DEPT. APPROVED PLANS REMARKS: a< e .s-l-e e \ .... ..s i 0 .POL :Z;:N-kIZ-~O!L -r-Ji!'i--J..e(L;Oi'L uO!;l),S A> fe~ Wc.?ti, \5 ~e. ~t ~ .5. ;d-..,; (..~ ~ t. ~+-~!-: ,_ ~ TEST RESULTS APPLY ONLY TO THE ITEMS HEREIN TESTED. THIS REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL. WITH- OUT THE WRITTEN APPROVAL OF CASCADE TESllNG LABORATORY, INC. INSPECTOR(S). NAME(S) PRINTED) _\,::,\"",·==~::..o.:;;:::1:l,..!:'-";':L:.=,.i?}~· :...::V\;'~~I:,:"-:;,\:",<-::' :;'-:;' =-_______ _ INSPECTOR SIGNATURE --(-':;:'~='~~...L~\:::::c:£~~':-~~.~£", ~r::' :;:/:;;;z::::::::=------ REVISED 7105 SIGNED BY = -:z,c <' ~ <:::::. COPIE8m FS -UI~iJ /1/ d-O AM PM CASCADE TESTING LABORATORY, INC. TESTING & INSPECTION 12919 N E 126TH PLACE KIRKLAND, WASHINGTON 98034 EVERETT FIELD REPORT (425) 823-9800 (425) 259-0817 j~~~ Jt'«1<;P ATTN: ____________________________________________ ___ . (2) I NSPECTION PERFORMED ;±. RESTEEUCONCRETE __ RESTEEL ONLY _ RESTEEUMASONAY __ STA.STIWELDING -OTHER ------------_ STA.STlBOL TlNG ... ~CA TlON (AREASI tI alA. \ \-t.i) B I \ 5 ~bNCRETEIMASONRY SUPPUER (fi>;l. \ i.$.5 MIX NO. r 13D I 1+ SLUMP (INCHESI ___ 'i-l-__________________________________ _ AIR CONTENT (%1 PREViOUS AEPORT No No 121158 DAT~ ! / Z3! oS-z'f CERT. NO. 05{O LOCATION 1,)10 32... BLDG. PERMIT NO. OWNER (3l! 3 Deo 0 I WEATHER TEMP. AT !V,V AM i::::" 0'1 '1 '1 '-(1.-AT PM ENGINEER J¥1 111 eS '3:t:>h. ... .!>O~ ARCHITECT cl k;,.,s CONTRACTOR .h,1w1.~O~~I_ S"e.c·; t .. S~S (3) ITEMS INSPECTED __ FOUNDATIONS __ FOOTINGS __ SLAB __ AUGER CAST PILES __ COLUMNS --DRILLED PIERS ~WALLS BEAMS DESIGN STRENGTH (f·cl->3=,:;:...o::....;C)'--____________ _ TOTAL CU. YD. PLACED -"~3""'o"-+-:..... ____________ _ SPECI MENS CAST 3 w i-\ 'Z--- SEE CYLINDER REPORT NO. 57 3 'f ~ ~_ NO _ITEMS INSPECTED WERE IN CONFORMANCE WITH BLDG. DEPT. APPROVED PLANS REMARKS: ~ S+ee \ 'Tt--' 5 lCIe c ~eJl fI)' § los- 90 _..,. il ~ \:;>e' ,,,, C-o." Q<¢..c ~ ~ '" '-'e.. (~o '" C. {Z. ... +e.. TEST RESULTS APPLY ONLY TO THE ITEMS HEREIN TESTED. THIS REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL, WITH· OUT THE WRITTEN APPROVAL OF CASCADE TESTING LABORATORY, INC. REVISED 7105 SIGNED BY COPIES TO: ...1...-==-__ =~:..:.......:..::::.L..L_ ___________ _ CASCADE TESTING LABORATORY, INC. TESTING & INSPECTION FIELD REPORT No 11-1/5g No. 57345 CERe NO 12919 N.E. 126TH PLACE KIRKlAND, WASHINGTON 98034 EVERETT (4251 823-9800 (4251259-0817 05(0 -l..'-f PROJECT! ~ llrFoiL ~"'''' '\-COMPRESSION REPORT LOCATION 1-z-.L?:5"2- BLDG. PERMIT NO. gD3 DCDO I OWNER TEMP. '-,';L ARCHITECT ATTN: __________________________________________ _ £1 (t..;".5 THE FOLLOWING WAS NOTED: TRUCK SAMPLED I ~-3 SLUMP TIME %AIR ASTM C-l4a IOljo If FIELD TEST DATA TRUCK TICKET NO. ll;'~ 1_ q UNIT WEIGHT ASTM C-138 YIELD CEMENT FACTOR CONTRACTOR (o~"'O"'T"-5,f'ec.,\: $Is-o. ~TAFOR DESIGN % cu.YD. WEIGHTS MOIST. TEMP. CEMENT '1Z-'fr;; ASTMC-1064 CONC AIR 'Sf.. 'fl-- FLY ASH {, SO C.A. '1'0 " I ;'i 'dO C.A. " :3 I&J C.A. " FINEAGG. ibO~ £-0 ':fa. AIR TEST METHOD: 0 PRESSURE ASTM C-231 OR 0 VOLUME ASTM C-173 WATEi3 TOTAL -------Ea~~~~'FJ';;ouNSEED.~~COO 3----=rH~RMOM~R CCOTHO -3-----------··· AIRMETER CCOAIO___ OTHER ___ __ TYPE OF BREAK: (A) Cone (C) Cone and Shear (b) Cone and Split (d) Shear (e) Columnar COMPRESSIVE STRENGTH CYliNDER DATE DATE AGE AREA TOTAL STRENGTH NUMBER MADE TESTED DAYS SIZE (SO. IN) LOAD PSI LlL13 11 1 2-3 11-30 I LR-+ \-z...-ze, -z-7 1z.'1co ~ 10'7'1 /1---Z-/ 2~ Idf5 "' I Z--2( 2-8 ---., ~ / ATjU«AM AT PM ADJUSTED WEIGHTS TYPE BREAK CONCRETE COMPRESSION MACHINE I.D. #CCOCOOO_:;;--~ SAMPLE P/U DATE TEST METHOD 6 3 '1 o ASTM C-1231 o ASTM C-617 SAMPLING IN ACCORDANCE WITH /' ? APPLICABLE CODES & SPECS. _-='-,,-,-2"--J~_ ~UPPLIER C. oOl-\', G 5 CEMENT TYPE _ ..... 1/"---_. ____ __ CU. YARDS PLACED --,1_· ..=3'-D __ '.-____ __ AEA M 13/-1 ~ 90 '-1 (.-l--ADMIX. G(",., 3030 118"<:-CAC1, _____ _ % ____ DESIGN STRENGTH~3=_D_O_0 ______ _._- f\&c.."J Iv",\ f .... rvf C"",.5A L-JJ,"'-J, PLACEMENT AREA & NOTES J fl "'-\ \-i 9) ~ \ \ .s TEST RESULTS APPLY ONLY TO THE ITEMS HEREIN TESTED. THIS REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL, WITH- OUT THE WRITTEN APPROVAL OF CASCADE TESTING LABORATORY, INC. REVISED 8/04 ."~""'"'."~: ::",~ ~ W-INSPECTORSIGNATURE···~' :1 . _f2..... ~a SIGNED BY _ i?'" -a -,~ COPIESTO F 5 ,LUJ;D I u 6 II) CASCADE TESTING LABORATORY, INC TESTING & INSPECTION 12919 N,e. 126TH PLACE ~ J KIRKLAND, WASHINGTON 9803. 1.251 823-9800 EVERETT (425) 259.08 J 7 COMPRESSION REPORT ATTN: ~~;;:;;;-=;::-;:;::;:;:;::;:::-__ --IG<:;::.s==k-=t;;;"":::;:::;:/:::::f=N=~=::-:::)I----__ THE FOLLOWING WAS NOTED: FIELD REPORT No, TRUCK SAMP"'~ ,"" liS SLUMP CEMENT MIX No,SI5PD ' TEMP TIME ASTM C·143 "-1:4 .J..j'',,? %AIR WEIGHT ASTM C,13B YIELD FACTOR AIR TEST METHOD: o PRESSURE ASTMC,231 OR OVOLUMEASTMC'173 ASTMC·1064 CONG AlA No. 55499 _EOUIEMEtiLUSEDJ.D ___ ,_ , SLUMP CONE CSLCOO I t7 THERMOMETER CCOTHO / l? &/ (i "" AIRMETER CCOAIO -OTHER __ _ TYPE OF BREAK: (A) Cone (C) Cone and Shear (b) Cone and Split (d) Shear (9) Columnar COMPRESSIVE STRENGTH CYLINDER DATE DATE AGE AREA TOTAL STRENGTH TYPE NUMBER MADE TESTED DAYS SIZE (SO,IN) LOAD PSI BREAK {)S5~ IIJ-.2-&t5 /1-'I 7 (p X J~ Z9,2.7 f-l<3S3';3c:; Z,800 03$7 I /1-30 ;;L[i-I IH6680 1/-,0' ~ 3S'K' ~ II..,~O ,;Ig -I~o<ib ,0/5(50 "'::s 59 J/~d)-C>S /1-1 -7 19 >( /.;2. /01170 r:?9QO o3bt> ) 11-30 ,QS' I J:76'"1:b LIS'!.!:> 0310) I -1/-30 ~8' I --.--I-W;J..t5Sd !3C'J;.3o CONCRETE COMPRESSION MACHINE m #CCOCOOO,--,-( -,;:_ SAMPLE PJU DATE ! 1-5 ' TEST METHOD l..--31 ~STMC-1231 DASTM C-617 SAMPLING IN ACCORDANCE WITH e _ ''''/ APPLICABLE CODES & SPECS. _--,=---:",,<J~_ CD' ,.,... C 12 r: " S .s CEMENT TYPE .I -fl W YARDS PLACED "'t i : Ii '9 :/,;t SUPPLIER AEA __ === ___ ADMIX, CAG1, % DESIGN STRENGTH 3D06 PLACEMENT AREA & NOTES 10 'ja lions "f w a. he Q d d F d rio S f t .... I. ¢ /.;) t! h ( a dJ Ld Jv o£t ""0/_ C~{!c[t,h fhc.~d ;,'1 .sich }: ibt>d,")7U' dJ, ch~",h'dY[ • TEST RESULTS APPLY ONLY TO THE ITEMS .a . / ,..,'j {'; (" HEAEIN TESTED. THIS REPORT SHALL NOT INSPECTOR(S), NAME{S) PRINTED __ ~p ...... -"-,I,-,-_-,fI[r..:..<,-,Q"--'~'--L~£F-,;;",u-..J=,,,-______ _ BE REPRODUCED EXCEPT IN FULL, WITH- OUT THE WRITIEN APPROVAL OF CASCADE £1 .: /Jr7 ~.. :IJ.P _-' . ...., TESTING LABORATORY,INC. INSPECTOR SIGNATURE __ ----==~!!Q~~~~~~lIJ.~~4'tf7L~~'--'L~~::~;;:::==_----<--=-;#?~ REVISED 8104 SIGNED BY: COPIES TO f ~ il ! 1'1 U fclLl 12-/ -6 TO: CASCADE TESTING LABORATORY, INC. TESTING & INSPECTION 6TH A 12919NE12 PleE KIRKLAND, WASHINGTON 98034 (425) 823-9800 EVERETT (425) 259"0817 FIELD REPORT 52!lb rl~J/~ ~~u./,QL,; .. rk ./ I.F3c'[ a1;~/'4m' I).,,/l. £- ~ r:.i!!1.!3. I W 4' ' 7.r ~'/(" PREVIOUS REPORT N O. DATE O(At>i,,e·~ J o+<-.::>V'''s No 1210?1 - CERT. NO. C' 5,,,; -..;;> '/ PROJE1A rp A. 'T I.? N ,4 -t/cc-vi-/; LOCATION Ij~"3~ oE-jJ~J.r ~U /.$ J:-~ BLDG. PERMIT NO. OWNER WEATHE~o', TEMP. AT AM t2/ en J "'? AT PM ENGINEER , ARCHITECT ATTN: CONTRACTOR d. t h ' ,::: t') u-v. 4 """ S~UC"~)fJIr (2) (3) , INSPECTION PERFORMED ITEMS INSPECTED -FOUNDATIONS ~TEEUCONCRETE _ RESTEEL ONLY .k'FQOTINGS _ SLAB -- _ RESTEEUMASONRY _ STR.STIWELDING _ AUGER CAST PILES _ COLUMNS _OTHER _ STR.STIBOLTING -DRILLED PIERS -WALLS _ BEAMS ',---.. ~ ---_. --' --. ----------_ . -" - --" ,--,----.-----_ ... -, ---_._-- (4) :.t.. ~, ,}4Zt2 ,h'''l1t..f tZ". fr tiP 1),,.-d~~'a,., V4blt LOCATION (AREAS) ........L1. 171' ~NCRE ''2 fJ/30//J (300D ;:?p MIX N,o. DESIGN STRENGTH (re) SUPPUER C[,SS TOTAL CU. YD. PLACED is SLUMP (INCHES) .£)Ac SPECIMENS CAST DL2:xa-l AIR CONTENT (%) SEE CYLINDER REPORT NO. 54~3..r ~U._ITEMS INSPECTED WERE IN CONFORMANCE WITH BLDG. DEPT. APPROVED PLANS REMARKS: /Jp fL1flMtS qnEu'k. hize/IT/'" Jbi2J,~y tJEiCf a '-Ie'" W/d.c l:J"1/!.-p"rlCl.PlJ ~ , \'fA lv bl2.J.:b., .&-§ \cb, rnh'., 7 CJI)!bA,'Il J C'iJ# 6 1 ,$ C-0?(h'mcp;;s wlfJ... *"6 bo,.s \if IS F btj.:\y ei, ll' ~ Q. C _ #> <5 V& h CALs ~.... p la Cz: • 0,. 1- tC,n O,C.):{S-\.C{ f\l:h",A;:c\ £c.(" bl-\"1 \",:-\-\ 'fle.i)W)fshr= ~shV\1S~ 01tW".fLh f'\t:Cr.d ~'1 pllWtf>- TEST RESULTS APPLY ONLY TO THE ITEMS HEREIN TESTED. THIS REPORT SHALL NOT INSPECTOR(S), NAME(S) PAINTED_~~~J.:L~~.lj~;:j~~~~;l _______ _ BE REPRODUCED EXCEPT IN FULL, WITH- OUT THE WRITTEN APPROVAL OF CASCADE TESl1NG LABORATORY, INC. INSPECTOR SIGNATURE ___ -.:4.~:>....),L.l<:.-.LU!:5,~~L~I.d.c:.o:::L------ REVISED 7/05 SIGNED BY r 5 -, "- COPIES TO: "'7'>2.--=='-'''--''-'''2'-T------------- ~ ~ CASCADE TESTING LABORATORY, INC. TESTING & INSPECTION 12919 N_E. 126TH PLACE KIRKLAND, WASHINGTON 98034 EVERETT COMPRESSION REPORT (4251 923-9900 (4251 259-0817 FIELD TEST DAT.(0) 'Y8~p i?' FIELD ;' ) j 17 s;.. "-'/. REPORT No. -" ~ ~ DATE I".jvj,~i ;".,h i~' ,;J. "d. dl P ;7.5; LOCATION Jd~3,;z No. 55499 CERT. NO. 05/0 BLDG. PERMIT NO. OWNER / £3 ~'7,,,; eJ) COP I ENGINEEr; ARCHITECT CONTRACTOR Fou", ~ c..t. """ S.3 fc_·c. I:. ~ -+ PM :~1pi ~f1.~v'b. u,.,-% ~~EIGHTS MIX NO. S ;6 "'D':; EIGHTS MOIST. CEMENT 4530 ('';/;/11-,..:" TRUCK SAMP1:Erf ~ /1..cJ TRUCKTICKET~ 4;.,j.;J 7$1 TEMP. "1'18'0 ASTM C*1064 FLY ASH '--CONG AIR SLUMP UNIT CEMENT TIME %AIR WEIGHT YIELD ASTM C-143 ASTM C-138 FACTOR ~7 CA ---53 G.A . ~/.,. 1'/ d' (;>D II'-1'l'},20 9:.2 v ~h ----5 5~ {;? ..59 C.A. . -- FINEAGG .... 15;<'60 7-/53':U; ;:10 .I.J /.i? --'5 5.;:- AIR TEST METHOD: 0 PRESSURE ASTM C-231 OR 0 VOLUME ASTM C-173 .. . WAT--_." • ~ .. FDI11PMENf..lJSEO:ro--~----nO_' .----------=.cc.~---~. SLUMP CONE CSLCOO ICJ THERMOMETER CCOTHO ,It:> 1 ~ ,/ AIRMEfEA CCOAlO~ OTHER __ -__ TYPE OF BREAK: (A) Cone (C) Cone and Shear (b) Cone and Split (d) Shear (e) Columnar CYUNDER DATE DATE AGE NUMBER MADE TESTED DAYS OS$tp 111-,;J-c;5 .11-1 7 03$7 I /1-30 ;z.8- , 03$1 ~ JI,~o .;12 ,?}~ s9 J/-':;" C'S }1-1 -7 03(0,0 j /1-30 ,;28 -(") :s It, , .l-11-30 .}.8' CONCRETE COMPRESSION MACHINE 1.0. #CCOCOOO...JI-:--:::- SAMPLE P/U DATE /1-Y . TEST METHOD t..--31 SUPPLIER C l7r /,. S..s: TOTAL COMPRESSIVE STRENGTH AREA Size (SO. IN) (p X l.;t 2.9.27 J - 10 '" I,;z. I -.........- ,El1t.SThI C·1231 o ASThI C-617 ~51534 -:z. fil;'S 8 TOTAL· STRENGTH TYPE LOAD PSI BREAK 9<Z~3c; 9;800 /1')1170 g,,?t:CO SAMPLING IN ACCORDANCE WITH e. _ '"'j. APPLICABLE CODES & SPECS. _--.!=-~U=..!._ 0~ ~ I-_IJ CEMENT TYPE -'--'-=-'==-__ _ CU. YARDS PLACED "Ii ; j I 9 / d... AEA __ ===-___ ADMIX. CAC1, % DESIGN STRENGTH 3000 PLACEMENT AREA & NOTES /Q'jc.J/Ct7S of t.,)f{nr added Jo .5".t"""l, rj wllnr ackic..d 6),,£'ah flccul d! sic.?' f ,b,>J,,)'7d' Ji; c1c,*,",h~ .J-v r.S £ i -itl d , 7 ) IG, 7} t--• TEST RESULTS APPLY ONLY TO THE ITEMS .:2 1/ ifJ (j) ,~ HEREIN TESTED. THIS REPORT SHALL NOT INSPECTOR(S). NAME(S) PRINTED __ -"jp.bL-'-'..!..!._-''...!...IC!Q'''·~)'....Zi..!.I:z2.-''E:.;.",·~=~ ______ _ BE REPRODUCED EXCEPT IN FULL. WITH· ..-.. ,. OUTTHE WRITIEN APPROVAL OF CASCADE .r.--.l • /70' yp'\ __ ~ P .'"""'1 TESTING LABORATORY. INC. INSPECTOR SIGNATURE ____ --"':;u=<..-'",<"'~"'·'t:'''_ ........ ILL·L./.l./~;;;. 'l'7·~· <LJ~"'-"'c.",LV'-J=. =-______ _ REVISED 8/04 [sIGNED BY ~ = ) CASCADE TESTING LABORATORY, INC. • TESTING & INSPECTION DATE OC-l::lb IT' CERT.NO. 12919 N.E. 126TH PLACE / tl..A . ;;I.c oS 05/0 -~y KIRKLAND. WASHINGTON 98034 (4251 823·9800 EVERETT (4251 259.0817 PROJECT FIELD REPORT No );l./O;;'/ No 54838 LA /7; It! r v n.J '" -Va. vIi: COMPRESSION REPORT rOCATlON J':< [P 3 #i 5~ IE1rCJ i//..!i.k~ £PI/01 Jc.~. 5~E:cr~.J,'sk BLDG. PERMIT NO. OWNER TO: 1130'1 /aci..3" Rv[. ~. WEATHER TEMP. AT AM ~(;P>Y14. 7 7' 2-I,-' 'T "" eI" ;';6 '7 s,,"'r: ~ 1...2 G. "3:tSAT ". ENGINEER ARCHITECT ATTN: THE FOLLOWING WAS NOTED: CONTRACTOR FIELD TEST DATA CE, h ,r/e: ); __ S;IJ U .. ,a.J ,J ,I:, #' .o/.:Z5 TRUCK TICKET NO. /5;;1 'r''' MIX NO. 1'/:3P;~ BA~~FOR DESIGN % ADJUSTED TRUCK SAMPLED cu. yo. WEIGHTS MOIST. WEIGHTS SLUMP UNIT CEMENT TEMP CEMENT '¥-Jc.7 TIME ASTM C-l43 %AIR WEIGHT YIELD FACmR ASTM C·l064 FLY ASH r.,.s ASTM C·13B CONG AIR ~'1 CA ¥y .. /3/5 i;:l;'~# "I1~' ----1"1. "''''F/~ SIR C.A. .. - CA P.t.4 .. a.8:S AIR TEST METHOD: 0 PRESSURE ASTM C-231 OR D VOLUME ASTM C· t 73 FINE AGG . .e.<D /t,13"{" EQUIPMENT USED LD. t> WATER .21./8 )hJ SLUMP CONE CSLCOO Ii THERMOMETER CCOTHO /0 TOTAL 13Q.2.'1 -AIRMETER CCOAIO __ _ --OTHER-, __ _ TYPE OF BREAK: (A) Cone (C) Cone and Shear (b) Cone and Split (d) Shear (e) Columnar COMPRESSIVE STRENGTH CYUNDER DATE DATE AGE AREA TOTAL STRENGTH TYPE NUMBER MADE TESTED DAYS SIZE (sa. IN) LOAD PSI BREAK '1V!>7 (17-/,,-1)5 /0-/7 7 'fy ~ /Z·S-7 I If 01)0 p(CCO '7'1'5'"8 J //-7 .;La-t '7 <IS''? I //-7 ;::23-, CONCRETE COMPRESSION MACHINE 1.0. #CCOCOOO /. ASTM C-1231 TEST RESULTS APPLY ONLY TO THE ITEMS HEREIN TESTED. THIS REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL. WITH· OUT THE WRITTEN APPROVAL OF CASCADE TESTING LABORATORY. INC. INSPECTOR(S), NAME(S) PRINTED -W((; t..:t~4;J./~}'--fJ W~')Q' jl.~.At::1jJ6.~ ~ ...... ~~g~ ____ _ Ci3 <.2rJ 111 tr:ti-l. eq.,W INSPECTOA SIGNATURE REVISED 8J04 SIGNED BY ,Q\ \ ,Q!< "- v.,5.::. , , CASCADE TESTING LABORATORY, INC. FIELD REPORT N 0 c • 1 :l LJ Sri-{. No .----Ii) TESTING & INSPECTION DATE CERT. NO.!; 12919N,E 1 26TH PLACE :?~ I :\){ OSlO-J. KIRKLAND. WASrllNGTON 98034 142:5; 823_9!lOO EVERETT 1425) 259·0817 PROJECT COMPRESSION REPORT ! U -f:9 i y~ "Jc( 1icUL (f- LOCATION m~llHtolalMOi ~u~ i"1..6~ Sf Pc:' 110 Jik{:v BLDG. PERMIT NO: OWNER .B C}3 rx OJ I "~---AT----'AM t-wEA.ffi~ER TEMP ~:!!tid~0 ()\j0{coS t-AT PM ENGINEER -SC/(\~CS t~ 39\"tM"yrJ --ARCHITECT ATrN:~_. -- THE FOLLOWING WAS NOTED: CONTRACTOR '\ 'i' (A C 1,c.lt \~7-1 ~C I:-d i:t:\:'-.2 '" 9 /Vcc;::ftC'J IS5QO ~l)e)t Cql\)~)~ PI!!"t--+EST ~U'" '68 . TRUCK SAMPLED 9' ~ MIX NO ,"/f)OQO BA~CH DATA FOR DESIGN % AD,]! JSTED TRUCK TICKET NO. --cu. YO WEIGHTS MOIST. WEIGHTS I SLUMP UNIT i TEMP. CEMENT '49 ! () TIME ! ASTM C)43 %AIR WEIGHT YIELD CEMENT f--J\STM C-1064 FLY ASH / ASTM C-138 FACTOR CONG AIR g~() '-i,Y{\ ! S, S,:J: "10 5R CA 'Y~ " I p'?'O O,l{ -" ,~ C.A " ,v: Ill/{) Fk,J, ~ _. -I Y.O,5ic ~/2 I {,fIr CA " '.l--AIR TEST METHOD: 0 PRESSURE ASTM C-231 OR 0 VOLUME ASTM C-173 \'J'7D{) IFINE AGG. .)2 EQUIPMENT USED 1.0. _h THERMOMETER IJ I WATER , 151 'J SLUMP CONE CSLCDO CCOTHO I TOTAL I AIRMETER CCOAIO ____ OTHER '<ff ( 5v.Z. TYPE OF BREAK: (A) Cone (C) Cone and Shear (bJ Cone and Split (d) Shear (e) Columnar COMPRESSIVE STRENGTH 5 0-~" SX" \~ . + On Site Cure Method l/v'~'llJ ta,J CYLINDER NUMBER i DATE DATE I AGE AREA I MADE TESTED, DAYS SIZE (SQ. IN) TOTAL LOAD STRENGTH I TYPE PSI BREAK 0.<: C'.\Q3j 1---q q38 ~_q C\"5l CONCRETE COMPRESSION MACHINE 1.0. #CCOCOOO _\~ SAMPLE PIU DATE g , :2 TEST METHOD C --:):7 .-B" ASTM C-1231 o ASTM C·S17 109880 ;3 ?I'lO D 1'7'5'13<J .</<0 P l'fi-4I2D .5.2.. :)0 1::> /555'0 9J5o D A. I C. DO &. 8'6' a Co> .< 2..570 71'10 D SAMPLING IN ACCORDANCE WITH(' _ ~!. APPLICABLE CODES & SPECS. . ... L %p sd 2- SUPPLIER C(I(' \ t 05 .SMl ' , . __________ CEMENT TYPE CU. YARDS PLACED ;J..9c"ls 6 ydS , -. (.(12,".;"30. R~oz:.. ADMIX. ___ ~ PLACEMENT AREA & NOTES V eL'-'. (~ ~~( d \ % _____ DESIGN STRENGTH~t'S1Q-.;f!t~.Lk . ( CAC 12 ___ _ TEST RESULTS APPLY ON!...Y TO THE ITEMS HEREIN TESTED. TH:S REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL, WITH- OUT THE WRITTEN APPROVAL OF CASCADE TESTING LABORATORY, INC. -fir" r f INSPECTOR(S), NAME(S) PRINn _' I . J. C \I11~ I r;:~r ~l .:: ~ ,./ INSPECTOR SIGNATURE 7 t,'/ <'~ ... n ,~~",-________ ~ _______ _ /...... C7-" - REVISED 3/06 SIGNED BY --.. - COPIES TO +=,s, F;. t '6/ 'i' R1 30 TECHNICAL INFORMATION REPORT LAFORTUNA TOWNHOUSES DRS PROJECT NO. 01261 Prepared/or K-Best Construction 4801 Storm Lake Road Snohomish, WA 98290 Prepared by D. R. STRONG Consulting Engineers Inc. 10604 N. E. 38th Place, Suite 101 Kirkland, W A 98033 January 13.2003 TECHNICAL INFORMATION REPORT LAFORTUNA TOWNHOUSES TABLE OF CONTENTS I. PROJECT OVERVIEW: ........................................................................................................... 1 PREDEVELOPED SITE CONDITIONS: ................................................................................. 1 DEVELOPED SITE CONDITIONS: ........................................................................................ 1 NATURAL DRAINAGE SYSTEM FUNCTIONS: .................................................................. 1 FIGURE 1. TIR WORKSHEET ................................................................................................ 2 FIGURE 2. VICINITY MAP .................................................................................................... 6 FIGURE 3. DRAINAGE BASINS, SUBBASINS, AND SITE CHARACTERISTICS .......... 7 FIGURE 4. SOILS .................................................................................................................... 8 II. CONDITIONS AND REQUIREMENTS SUMMARY ............................................................ 9 ill. OFF-SITE ANALYSIS ............................................................................................................ 13 IV. FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN ...... 15 A. EXISTING SITE HYDROLOGY ...................................................................................... 15 FIGURE 5. PREDEVELOPMENT AREAS ......................................................................... .17 B. DEVELOPED SITE HYDROLOGY. ................................................................................ 18 FIGURE 6. POST-DEVELOPMENT AREAS ....................................................................... 20 C. PERFORMANCE STANDARDS .................................................................................... .21 D. FLOW CONTROL SySTEM ............................................................................................ 22 FIGURE 7. CONTROL STRUCTURE SKETCH -NORTH CATCHMENT ....................... 28 FIGURE 8. DETENTION FACILITY PLAN -NORTH CATCHMENT ............................. 29 FIGURE 9. DETENTION FACILITY SECTION -NORTH CATCHMENT ...................... .30 FIGURE 10. CONTROL STRUCTURE SKETCH -SOUTH CATCHMENT .................... .37 FIGURE 11. DETENTION FACILITY PLAN -SOUTH CATCHMENT ........................... .38 FIGURE 12. DETENTION FACILITY SECTION -SOUTH CATCHMENT ..................... 39 E. WATER QUALITY TREATMENT ................................................................................. .40 V. CONVEYANCE SYSTEM ANALYSIS AND DESIGN ...................................................... .43 A. NORTH CATCHMENT ................................................................................................... .43 B. SOUTH CATCHMENT .................................................................................................... .49 FIGURE 13. BACKWATER BASIN MAP -BOTH CATCHMENTS ................................. 55 C. UPSTREAM CONVEYANCE ........................................................................................... 56 VI. SPECIAL REPORTS AND STUDIES ................................................................................... .58 VII. OTHER PERMITS .................................................................................................................. 59 Vill.ESC ANALYSIS AND DESIGN ........................................................................................... 60 ©2003 D. R. STRONG Consulting Engineers InC. Technical Information Report LaFortuna Townhouses King County, Washington , IX. BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF COVENANT ............................................................................................................................ 61 X. OPERATIONS AND MAINTENANCE MANUAL .............................................................. 65 APPENDICIES .............................................................................................................................. 66 APPENDIX "A" ....................................................................................................................... 67 APPENDIX "BOO ....................................................................................................................... 68 ©20Q3 D. R. STRONG Consulting Engineers Inc. Technicallnfonnation Report LaFortuna TQ\.\lnhouses King County, Washington SECTION I I. PROJECT OVERVIEW: The Project proposes to provide the necessary site improvements for the potential construction of forty-one townhouses in eight separate buildings (project). The Project is located in the Southeast quarter of Section 28, Township 23, Range 5, and is known as tax parcel number 073900-0020 in King County, Washington (Site). PREDEVELOPED SITE CONDITIONS: The Site is predominantly undeveloped. Vegetation on the Site consists of cottonwoods, alders, maple, Douglas fire, and cedar trees with moderate underbrush of salmonberries, blackberries, and ferns. There are several wetlands on Site with the largest being a Class 2 10caOed in the west halfofthe Site. 1 "111ft DEVELOPED SITE CONDITIONS: I The Owner is seeking approval to construct a commercial drivew~tprm drainage collection, conveyance, and runoff control facilities on approximately 4.57::s.-'The proposed pollution generating impervious surface (pGIS) area for the Project wil)linclude ~ 24-footw~ road and rolled curb and gutters and a sidewalk on one side. This totl}!'s approxim\itel~3,016 .f.ofnew PGIS. Other impervious surfaces will include the futur~e·· t buildings (±33,323 s.f.) and their driveways (±10,901 s.f.), totaling approximatl(Jy 44,245 .. of impervious area. The necessary ......... ~.~ utilities will be extended to the Site. Two udeiground vaults will serve as combined runoff control and water quality facilities, which will provide Level Two Flow Control and Basic Water Quality Treatment, per the requirements of the 1998 King County Surface Water Design Manual (Manual). NATURAL DRAINAGE SYSTEM FUNCTIONS: A review of the SCS soils map for the area (see Figure 4, Soils) indicates Alderwood gravelly sandy loam with 6 to IS percent slopes (AgC), Alderwood Arents material with 6 to IS percent slopes (ArnC), and Seattle Muck (Sk). Per the Manual, Alderwood gravelly sandy loam and Alderwood Arents material soil type is classified as "Till" material, and Seattle Muck is classified as wetland. The SCS Soil series descriptions follow Figure 4. The Site typically slopes to the southwest at 7% to 10%. The Site has two Natural Discharge Areas within one Threshold Discharge Area. For a complete overview of the Site's natural drainage, see Section III: Off-Site Analysis. ©2003 D. R. STRONG Consulting Engineers Inc. Technical Information Report LaFortuna Townhouses King County, Washington ©2003 D. R. STRONG Consulting Engineers Inc. Technical Information Report FIGURE 1 TIR WORKSHEET 2 LaFortuna Tovmhouses King County, Washington King County Department of Development and Environmental Services TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part I PROJECT OWNER AND PROJECT ENGINEER Project Owner / Contact: K-Best Construction Karl Best AddresslPhone: 4801 Storm Lake Road Snohomish, W A 98290 (425) 397-0739 Project Engineer: Luay R. Joudeh, P.E. D. R. STRONG Consulting Engineers, Inc. AddresslPhone: 10604 NE 381h PI. #101 Kirkland, W A 98033 (425) 827-3063 Part 3 TYPE OF PERMIT APPLICATION D Subdivision o Short Subdivision o Clearing and Grading [2J Commercial o Other: _______ _ Part 2 PROJECT LOCATION AND DESCRIPTION Project Name: LaFortuna Townhouses Location: Township: 23 North Range: 5 East Section: 28 Part 4 OTHER REVIEWS AND PERMITS o DFWHPA o COE404 o DOE Dam Safety o FEMA Floodplain [2J COE Wetlands o Shoreline Management o Rockery [2J Structural Vaults o Other: ____ _ Part 5 SITE COMMUNITY AND DRAINAGE BASIN Community: Soos Creek Community Planning Area Drainage Basin Soos Creek Drainage Basin Part 6 SITE CHARACTERISTICS DRiver: ___________ _ o Stream: o Critical Stream Reach o Depressions/Swales o Lake: __________ _ o Steep Slopes ©2003 D. R. STRONG Consulting Engineers Inc. Technical Infonnation Report o Floodplain: [2J Wetlands o Seeps/Springs D High Groundwater Table D Groundwater Recharge D Other: 3 LaFortuna Townhouses King County, Washington Part 7 SOILS Soil Type: Alderwood (AgC) Alderwood (AmC) Seattle Muck (Sk) Slopes: 6-15% 6-15% N/A [g] Additional Sheets Attached Part 8 DEVELOPMENT LIMITATIONS REFERENCE lSI Section III -Downstream Analysis lSI Additional Sheets Attached Part 9 ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION lSI Sedimentation Facilities lSI Stahilized Construction Entrance lSI Perimeter Runoff Control lSI Clearing and Grading Restrictions lSI Cover Practices lSI Construction Sequence o Other Part 10 SURFACE WATER SYSTEM o Grass Lined Channel lSI Pipe System o Tank lSI Vault . Erosion Potential: Moderate Moderate to Severe None to Light Erosive Velocities: Slow to Medium Slow to Medium N/A LIMITATION/SITE CONSTRAINT MINIMUM ESC REQUIREMENTS AFTER CONSTRUCTION [g] Stabilize Exposed Surface [g] Remove and Restore Temporary ESC Facilities [g] Clean and Remove All Silt and Debris [g] Ensure Operation of Permanent Facilities [g] Flag Limits of SAO and open space preservation areas D Other .. .. o Infiltration o Depression Method of Analysis: o Open Channel o Energy Dissipater lSI Flow Dispersal D Waiver KCRTS Compensation! Mitigation of Eliminated Site Storage D DryPond o Wetland D Wet Pond o Stream D Regional Detention N/A Brief Description of System Operation: Runoff from all Site's impervious surfaces will be collected and conveyed to one of two combined storm water retention/detention and water quality treatment vaults. These vaults then discharge to the natural points of discharge within their Site subasin. Facility Related Site Limitations: Reference Facility ©20Q3 D. R. STRONG Consulting Engineers Inc. Technical Infonnation Report Limitation 4 LaFortuna Townhouses King County, Washington Part 11 STRUCTURAL ANALYSIS [gJ Cast in Place Vault [gJ Retaining Wall o Rockery> 4' High o Structural on Steep Slope o Other Part 12 EASEMENTSfIRACTS ~ Drainage Easement o Access Easement o Native Growth Protection Easement o Tracts o Other: Part 13 SIGNATURE OF PROFESSIONAL ENGINEER lor a civil engineer under my supervision have visited the site. Actual site conditions as observed were incorporated into this worksheet and the attachments. To the best of my knowledge the information provided here is accurate . .--------) (~/_----:>~(. // ~ L/ ©2003 D. R. STRONG Consulting Engineers Inc. Technical lnformation Report SignediDate 5 LaFortuna Townhouses King County, Washington ©2003 D. R. STRONG Consulting Engineers Inc. Technicallnfonnation Report FIGURE 2 VICINITY MAP 6 lBlST PI. SllB2llJ Sf IHlIIJ Sf I84T LaFortuna Townhouses King County, Washington FIGURE 3 DRAINAGE BASINS, SUBBASINS, AND SITE CHARACTERISTICS ©2003 D. R. STRONG Consulting Engineers Inc. Technical Information Report 7 laFortuna Townhouses King County, Washington 3&o-J ti .... n-A ... ,."... Z ~ 14R1M 87 !l4S "PVC S I:' ~ 11 ~ 1E_3 5 B"Pve W ~ :... ~I~ J I J .I 1E 0 378 e I . ~. . 6' CHAIN UNK FENCf;- \. "" , i 8V,1.0I"" \ ~ ~ 'f""-/II ~--~! 10 ,\ od~ _ , \ ~ '\ il ~_~~ I III ----13M I '-::: NIII!1>TS5"W.25, . ::--"\ I, o '.5' CHAIN U"KOFENCE 0 1?i1V-SHED \ \ --=\ I , "26" e!> ~ ..h, I MH-+-..,/ 9ilIlt hl·C. \ 'ill W 9 "'" <II, e / ,'-"'" DR. <~-$-- ~ / I ( '''' \l \ W£il.AN[) "SA CLASS 2 -4/ i'IVI" / 9J ( / Yr£~ ~A" CLA 2 9/ \1,: ~ Ie ,--- '.t.. 1_' 1 ( -/ i 9 i Iff :~ NAlURAL POINT ~ DISCHARGE / , ~::l /9 , e~ /9 9 9 . 9 '-T(e 8 yt i , c::::J --'7' / OM / 5'/- WOOO SH£!) , , I , I ~H-XX)(X RIM-386.51 IE_.377.69 ~ N 1£-317.30 8'6i S 9 11/ 0 \ '9, /j 'rf. 't WATER~ , , , 17'55"W 1~_1 Q ~ (DRS)~ Obnp_ 'I 387,2. I I I I I I RUNOFF ENTERS THE siTE AT MULTIPLE POINTS AS SliEET flOW , NAlURAL POINT OF DISCHARGE I 1 I I I I I I I 1_-----. ~ J i5 " z ~ iil 8 " ~ '" ci ~ e 0- 15 ~ "'N", 8i!O' "'-N I I I ,..N,.. "''''N .. 0> .. -;O8~ "' .. '" .:!;.,..!.. 0 z x '" ~ (I) II: ~ ~ II: :::J (I) (I) ~ II: 1&1 ~ Z Z 5 j '" .,; n. '-' 5 .. L (I) iD II: '" I&J w I&J z Z .. Ci 0 '" z ~ I&J inl "-~ ;: l 0 ~ e ~ :::> ~ ~ o ~..., I-::t to),.... 0 t:J ~~~ g: ~ O~~~ 8,' :-..-'" ,,~ 11 0 'C{ li: ~ ~ ,N ;C:I~ ~ ::5~~ n:.. Q:: 0 « u ~ I:: (.) 0 (I) ~ ~----+il! o ~O' 120' I~ ~I ~15 sc: -, ZI 8 SCALE: /1" = 60' ~ is « w Ct: I Cl U ©2003 D. R. STRONG Consulting Engineers Inc. Technicallnfonnation Report FIGURE 4 SOIL MAP 8 LaFortuna Townhouses King County, Washington DESCRIPTIO~S OF THE SOILS This section describes the soil series pi g units in the King County Area. Each ser es is described and then each mapping unit in that series. Unless it is specifically ment" ned otherl 'se, it is to be assumed that I-Ihat is _tated about e soil series holds true for the m plng that series. Thus, to get full "nformation one mapping unit, it is necess scription of the mapping un' description of the soil series to whi it belongs, An import t part of the descript"on of each soil series i the soil profile, th t is, the sequence of la the surfa downw'ard to rock or other u erlying materia. Each series iptions of th's profile. The scientists, engineer thorough and precise is otherwise stated, descriptions are those fa iliar to the layman. chnical terms, is for hers who need to make of soils. Unless it As mentioned in the Made, II not all mappin um: 5 series. Urban land, for e. to a soil series, alphabetic order eses. the Was Following the symbol in paren mapping unit a the end of e the detailed soi Listed at description of a pping unit is the it and woodland group 'n which the has been placed. The, odland desig- the page for the descripti n of each capabi1i y unit can be found by referr'ng to the o Mapping Units II at the back of this survey. acreage and proportionate extent f each g unit are shown in table 1. Many the used in describing soils can be foun Gl ssary at the end of this survey, and mor iled information about the terminology and f soil mapping can be obtained from the Soil Manual (~). Alderwood Series The Alderwood series is made up of moderately well drained soils that have a weakly consolidated to strongly consolidated substratum at a depth of 24 to 40 inches. These soils are on uplands. They formed under conifers, in glacial deposits. Slopes are a to 70 percent. The annual precipitation is 3S to 60 inches, most of which is rainfall, between October and ~Iay. The mean annual air temperature is about 50° F. The frost-free season is 150 to 200 days. Elevation ranges from 100 to 800 feet. In a representative profile, the surface layer and subsoi 1 are very dark brown, dark-brown, and grayish-brown gravelly sandy loam about 27 inches thick. The substratum is grayish-brown, weakly consolidated to strongly consolidated glacial till that extends to a depth of 60 inches and more. 8 A1derh'ood soils are used -for timbey, pasture, berries. rm, crops, and urban development" They are the most extensive soils in the survey area. Aldeli-Jood gravelly sandy loam, 6 to 15 percent slopes (AgC). This soi 1 is rolling. Areas are irregular in shape and range from 10 to about 600 acres in size. Representati ve profile of AldeY\~'ood gravelly sandy loam, 6 to 15 percent slopes, in woodland, 450 feet east and 1,300 feet south of the north quarter corner of sec. 15, T. 24 N., R. 6 E,; AI--O to 2 inches, very dark brown (lOYR 2/2) gravelly sandy loam, dark grayish brown (lOYR 4(2) dry; weak, fine, granular struc- ture; slightly hard, friable, nonsticky, nonp1astic; many roots; strongly acid; abrupt, wavy boundary. 1 to 3 inches thick. B2--2 to 12 inches, dark-brown (lOYR 4/3) gravelly sandy loam, brown (lOYR 5/3) dry; moderate, medium, subangular blocky structure; slightly hard~ friable, nonsticky, nonplastic; many roots; strongly acid; clear, wavy boundary. 9 to 14 inches thick. 83--12 to 27 inches, grayish-brown (2.5Y 5/2) gravelly sandy loam, light gray (2.5Y 7/2) dry; many, medium, distinct mottles of light olive brown (2.5Y 5/6); hard, friable, non- sticky, nonplastic; many roots; medium acid; abrupt, wavy boundary, 12 to 23 inches thick. IIC--27 to 60 inches, grayish-brown (2.5Y 5/2), weakly to strongly consolidated till, light gray (2.5Y 7/2) dry; common, medium, distinct mottles of light olive brown and yellowish brown (2.5Y 5/6 and lOYR 5/6); massive; no roots; medium acid. Many feet thick. The A hori zon ranges from very dark brown to dark brown. The B horizon is dark brown, grayish brown, and dark yellowish brown. The consolidated C horizon, at a depth of 24 to 40 inches, is mostly grayish brown mottled with yellowish brown. Some layers in the C horizon slake in water. In a few areas, there is a thin, gray or grayish-brown A2 horizon. In most areas, this horizon has been destroyed through logging operations. Soils included with this soil in mapping make up no more than 30 percent of the total acreage. Some areas are up to 3 percent the poorly drained Norma, Bellingham, Seattle, Tukwila, and Shalcar soils; some are up to 5 percent the very gravelly Everett and Neilton soils; and some are up to 15 percent Alden-lOod soils that have slopes more gentle or steeper than 6 to 15 percent. Some areas in New- castle Hills are 25 percent Beausite soils, some northeast of Duvall are as much as 25 percent Ovall soils, and some in the vicinity of Dash Point are 10 percent Indianola and Ki tsap soi Is. Also included are small areas of Alderwood soils that have a gravelly loam surface layer and subsoil. Permeability is moderately rapid in the surface layer and subsoil and very slow in the substratum. Roots penetrate easily to the consolidated substra- tum where they tend to mat on the surface. Some roots enter the substratum through cracks. Water moves on top of the substratum in \.;inter. Available water capacity is low. Runoff is slow to medium, and the hazard of erosion is moderate. This soil is used for timber, pasture, berries, and row crops, and for urban development. Capability unit IVe-2; woodland group 3dl. Alderwood gravelly sandy loam, 0 to 6 percent slopes CAgB) .--This soil is nearly level and du1ating. It is similar to Alder\.;ood grave11 ndy loam, 6 to 15 percent slopes, but in pIa es s surface layer is 2 to 3 inches thicker. reas irregular in shape and range from 10 acr 5 to ht1y more than 600 acres in size. S me areas are as much as 15 percent in Norma Bellingham. Tukwila, and Shalcar s i1s, all of Whl h are poorly drained; and some ar as in the vicini of Enumclaw are as much as 10 ercent Buckley Run of is slow, and the erosion slight. This Al erwood soil is used for row crops, and for ur it IVe-2; woodland gr Alderwood avelly sandy loam s lopes (AgO). -Depth to the sub varies within s art distances, ut is commonly about 40 inches. Areas are e ongated and range Some areas on for pasture. 3dl. o acres in size. i th this soi 1 in mapping make f the total acreage. cent Everett soils that rcent, and some areas are , Norma, and Seattle soils, Some areas, especially wcastle Hills, and north of rcent Beausite and Ovall by sandstone, and Kitsap soils, v ry stee (AkF) .-- This mappin unit is about 50 per ent Alderwood gravelly s ndy loam and 25 percent Kitsap silt loam. Sl pes are 25 to 70 percent. Distribution of the s ils varies greatly within distances. Abou 15 percent of some mapped a as is an includ d, unnamed, very deep, moderat ly coarse textu d soil; and about 10 percent of some areas ery deep, coarse-textured Indiana a soil. ainage and permeability vary. Runo f is rapid ery rapid, and the erosion hazard is evere to 10 y severe. The slippage potential is se ere. These soils are used for timber. CapabI it)' VIle-I; woodland group 2dlo Arents, Alderwood Material Arents, Alderwood material cons ists of AldeTl-.'ood soils that have been so disturbed through urban- ization that they no longer can be classified with the A1deI"lI'ood series. These soils, however. have many similar features. The upper part of the soil, to a depth of 20 to 40 inches, is brown to dark- bro\lm gravelly sandy loam. Below this is a grayish- brown, consolidated and impervious substratum. Slopes generally range from 0 to 15 percent. These soils are used for urban development. Arents, Alderwood material. 0 to 6 percent s es B) .--In many areas this soil is level, as a re ult of shaping during construction for urb fac lities. Areas are rectangular in shape nd rang from 5 acres to about 400 acres in si e. Re esentative profile of Arents, Alder. ood materia, 0 to 6 percent slopes. in an u an area, 1,300 fe t west and 350 feet south of t northeast corner of sec. 23, T. 25 N .• R. 5 E.: o to s, dark-brown (lOYR 4/3 gravelly sandy am, pale brown (lOYR /3) dry; massive; Slightly hard, very' friable, non- sticky, n plastic; many ro ts; medium acid; abrupt. sm th boundary. 3 to 29 inches thi ck ° 26 to (2.5Y 5/2) weakly consolidated glacial common, medium, brown (lOYR 5/6) medium acid. Many The upper, to a depth of grayish brown Some areas are that are similar art of the soil extends inche yellowi to 30 per nt included soils this soil rna erial, but either r over the camp ct substratum; e 5 to 10 percent very gravelly d sandy Indianola s . Is. This Arent, AldeI1 .... ood soil is rna drained. eability in the upper, ·sturbed soil oderate1y rapid to moderat ly slow, depending n its compaction during canst uction. The subst atum is very slowly permeable. Roots penetra to and tend to mat on the surfac of the consol· ated substratum. Some roots enter tum through cracks. Water moves on of bstraturn in Ninter. Available water cap city is w. RWlOff is slow, and the erosion hazard is slOghto This soil is used for urban development. Ca- ability unit IVe-2; woodland group 3d2. Arents, Alden~ood material, 6 to 15 percent slopes (Ame) .--This soil has convex slopes. Areas are rectangular in shape and range from 10 acres to about 450 acres in size. Some areas are up to 30 percent included soils that are similar to this soil material, but either shallower or deeper over the compact substratum; and some areas are 5 to 10 percent very gravelly Everett soils and sandy Indianola soils. Runoff is medium, and the erosion hazard is moderate to severe. This soil is used for urban development. Ca- pability unit IVe-2; woodland group 3d2. Arents, Everett material (.An) .--This is a level gently sloping, dark brown gravelly or very gr velly sandy loam. It is very similar to Ever gra elly sandy loam (see Everett series) , but i has een disturbed and altered through urban d vela ent. Mul tical ored very gravelly coars e is at a depth of 8 to 40 inches. Areas ly rec angular in shape, and size. entative profile of Arents, Evere t homesite, 440 feet west e center of sec. 11, T. 24 o to 5, dark-brown (7.5YR 3/4) oam, brOl<TI (7.5YR 5/4) d ry friable, nonsticky, few roo ; 30 percent gravel slightly acid; clear, smooth 8 to 14 inches thick. B to rayish-brown and light olive-brown (2.5Y 5/2 a d 5/4) very gr velly coarse sand, light ay and Ugh yellowish brown (2.5Y 7/2 an 6/4) dry; ngle grain; loose, nonsticky, no 1asticj w roots; SS percent gravel and 10 bblestone content; medi urn acid. The upper part of brown to 01 i ve brown an to very gravelly loamy s from black to olive bro effective rooting dep Permeability is rapi is low. Rtmoff is is slight. This soil is us pability unit IVs ranges from dark gravelly sandy loam The substratum ranges drained. The or more. water capacity and the erosion hazard Ca- series is made up well-drained soils that a e underlain by sandston at a depth inches. These soils form d in glacial ey are rOlling to very st ep. Slopes percent. The vegetation i alder, fir, associated brush and shrubs. The annual tion is 40 to 60 inches, and th mean annual emperature is about 50 0 F. The f os t-free season ranges from 160 to 190 days. 600 t 2,000 feet. I a representative profile, the surface and he upper part of the subsoil are dark-b to dark yellowish-brown gravelly sandy loam that xtends to a depth of about 19 inches. The lower p rt of the subsoil is olive-brown very gravelly dy loam. Fractured sandstone is at a depth a t 38 inches. eausite soils are used for timber and past reo Some areas have been used for urban developme t. Bea site gravelly sandy loam, 6 to 15 slopes BeC) .--Areas of this soil are 20 a or more in ize. Slopes are long and convex. Repre entative profile of Beausite gr elly sandy loa, 6 to 15 percent slopes, in w odland, 570 feet s lith and 800 feet east of the northwest corner of s c. 29, T. 24 N., R. 6 E.: 1/2 inch, undecompos d leaf litter. aecomposed A1--0 to 6 inch 3/3) gravelly sandy loam granular st nonsticky, n acid; clear, thick. B21--6 to 19 inches, dark ye1 owish-brown (lOYR 4/4) gravelly sandy oam, 1 ght yellowish brown (lOYR 5/4) dry; assi e; 50ft, very friable, nonsticky, nonp1 many roots; slightly acid; cl ear, i rre u r boundary. 10 to 15 inches thick. 822--19 to 38 inches, 01 gravelly sandy 10 , light yellowish brown (2.SY 6/4) dry; aSSD/e; soft, very friable, nonsticky. nonp astic common roots; medium acid; abrupt, egu1a boundary. IIR--38 inches, fra ured san stone; medium acid. The A horizon r. nges from ve y dark grayish brown to very dar brown and da brown. The B horizon ranges f om dark grayish rown to dark yellowish brown and olive brown. It is gravelly and very grave y sandy loam and avelly loam. Depth to sands one ranges from 20 t 40 inches. Some areas are up to 20 percent i cluded Alder- wood soils, hich have a consolidate substratum, and Ovall s ils, which are underlain andeSite; to 5 percent the wet Norma and Seattle soilsj so are up to 5 percent Beausit soils that have a gr velly loam surface layer and s bsoil; and some are up to 10 percent soils that imilar to Beausit soilS, but are more than 40 deep over s ndstone. Ro s penetrate easily to bedrock and en er a few acks in the bedrock. Permeability is mode ately rapid. Available water capacity Run ff is medium, and the hazard of erosion rna erate. This soil is used for timber and ban development. Capability unit roup 3d2. 11 --0 to 12 inches 1 very dark grayish-brown (lOY 3/2) silt loam, grayish brown (IOYR 5/2) moderate, medium, crumb structure; sligh hard, very friable J nonsticky. nonplast· c; many roots; strongly acid; abrupt, sma th oundary. 10 to 12 inches thick. 821--12 to 30 inches, dark grayish-brown 4/2) si t loam and loamy sand, light br ish gray (2. Y 6/2) dry; many, medium, pro inent, brawn (7.5 R 4/4), strong-brown (7.5Y 5/6), and dark-own (7.SYR 3/2) mottles (7.SYR /6) dry; massive; sli tly hard, fri- sticky. nonplastic; common roots; neutral; lear, smooth baun ary. 16 to 20 inches thi k. B22--30 to 60 in es, (SY 4/2) fine sandy loam and sil loam, gra sh brown (2.SY 5/2) dry; many, me ium and ne, prominent, yellow- ish-red (SYR 4 8) mot les, yellowish red (SYR 5/6, 5/8, 4/6) assive; slightly hard, very friable, no cky, nonplastic; very few rootsj slightly a d. The A horizon rang 5 grayish brown. The silty clay loam, s loamy sand. Some areas of soil inclusions of P get soils; percent Bellin am soils. black to very dark is stratified with ine sandy loam, and are up to 5 percent and me are up to 10 eluded are small areas of S ish soils where th surface layer is s where it is fine sandy am and other small ar silty clay oam. Permea lity is moderately slow. ere is a sea- sonal hi water table at a depth of to 2 feet. In areas, the effective rooting de th is 60 In undrained areas, roo ing depth Available water capacity Run f is slow, and the erosion hazard FI oding is a hazard. This soil is used for row crops and pastu . Ca- ability unit IIw-2; woodland group 3wl. Seattle Series The Seattle series is made up of very poorly drained organic soils that formed in material derived primarily from sedges. These soils are in depres- sions and valleys on the glacial till plain and also in the river and stream valleys. Slopes are 0 to I percent. The annual precipitation is 35 to 50 inches, and the mean annual air temperature is about 50 Q F. The frost-free season is 150 to 250 days. Elevation ranges from about sea level to 1,000 feet. In a representative profile 1 the surface layer is black muck about 11 inches thick. It is underlain by dark reddish-brown, black, very dark brown, and dark-brown muck and mucky peat that extends to a depth of 60 inches or more. If drained, Seattle soils are used for seeded grass pasture, hay. blueberries, and truck crops. Seattle muck (Sk) .--Areas of this nearly level soil are somewhat circular or long and narrow and range from 1 to about 500 acres in size. Slopes are less than 1 percent. 28 Representative profile of Seattle muck, in pas- ture, 200 feet east and sao feet north of the center of sec. 2, T. 24 N., R. 5 E.: Oa1--0 to 11 inches, black (SYR 2/1) muck, black (IOYR 2/1) dry; strong, fine, granular struc- ture; hard, very friable, nonsticky, nonplas- tic; many roots; stronglY acid; clear, smooth boundary. 10 to 13 inches thick. Oe1--11 to 17 inches, dark reddish-brown (5YR 2/2) mucky peat, black (IOYR 2/1) with dark-brown (lOYR 4/3) fibers dry; laminar structure; very hard, very friable, nonstickY1 nonplastic; common roots; strongly acid; clear, smooth boundary. 6 to 8 inches thick. Oa2--17 to 21 inches, black (SYR 2/1) muck, black (SYR 2/1) dry; massive; very hard, very fri- able, Slightly sticky, slightly plastic; few roots; very strongly acid; clear, wavy bound- ary. 3 to 6 inches thick. Oe2--21 to 35 inches, very dark brown (7.SYR 2/2) mucky peat, very dark grayish brown (IOYR 3/2) and pale brown (lOYR 6/3) dry; massivej very hard. very friable, nonsticky, nonplasticj few roots; medium acid; clear, smooth boundary. 12 to 17 inches thick. Oe3--35 to 60 inches, dark-brown (7.SYR 3/4) mucky sedge peat, very dark brown (IOYR 2/2) and brown (lOYR 5/3) dry; massive; very hard, very friable, nonsticky. nonplastic; few roots; medium acid. Several feet thick. The subsurface layers are stratified mucky peat. muck, and peat that formed mostly from sedges. Where these soils adjoin mineral soils, some layers are 25 percent wood fragments. Thin lenses of mineral soil a half inch to 2 inches thick occur at any depth below 15 inches in some places, but they make up no more than 5 percent of the soil mass. Some areas are up to 30 percent inclusions of Tukwila soilS, which are deep mucks J and Shalcar soils, which are shallow over a mineral substratum; and some areas are up to 15 percent inclusions of the wet Bellingham and Norma soils. Total inclusions do not exceed 30 percent. Permeability is moderate. There is a seasonal high water table at or near the surface. If the water table is controlled. the effective rooting depth is 60 inches or more. In undrained areas, rooting depth is limited. The available water capac- ity is high. Runoff ponds, and there is little or no erosion hazard. This soil is used for seeded grass pasture, hay, blueberries) and truck crops. Capability unit IIw-3; no woodland classification. Shalcar Series very poorly ,",~~,e stratified with·miner- era oil material at a nches. These ils formed in ge peat and alluvium 1 e rolling, glaciated uplands. SECTION II II. CONDITIONS AND REQUIREMENTS SUMMARY PRE-APPLICATION MEETING WETLAND ISSUES Following is the email correspondence that occurred from August through October between our office and Bill Kerschke regarding the wetlands issues related to this Project. The emails are listed chronologically from most recent to oldest. Please note, that Bill's initial conditions were revised through later correspondence as documented here. ----Original Message--- From: Kerschke, Bill Sent: Friday, October 18,20022:41 PM To: 'luay.joudeh@nwlink.com' Subject: RE: La Fortuna Hi Luay, The drawing appears to reflect our discussion. With the next permit submittal, you should supply a conceptual mitigation plan. Since only a 1:1 wetland replacing is proposed (as we discussed), the buffer enhancement ratio (i.e area/amount of enhancement planting in the existing buffer and shown averaged/reduced buffer will be larger than a 1: 1). A split rail fence along the sensitive areas will also be required. Have Gary touch base with me on the mitigation. When you complete the final drawings, please make sure you include the 15-foot building setback and project clearing limits. Hope you have a nice weekend. Bill --Original Message----- From: Luay R. Ioudeh, P.E. [mailto:luay.joudeh@drstrong.comJ Sent: Wednesday, October 16,20029:57 AM To: 'Kerschke, Bill' Cc: WALT SHOSTAK Subject: La Fortuna Hello Bill, Attached MS Word file shows a revised site plan for La Fortuna. The revisions made reflect our discussion and concepts discussed in our meeting last week. I incorporated the comments from Phil and Bill Mud regarding the turnaround. According to both gentlemen a cul-de-sac is not required and a hammerhead would suffice. Please also note that he wetland mitigation and the buffer replacement is done at 1:1 ratio. Please review and let me know if you have any comments. Thanks © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report 9 LaFortuna Townhouses King County, Washington Luay R. Joudeh, P.E. President D. R. STRONG Consulting Engineers, Inc. 10604 NE 38th Place #101 Kirkland, W A 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Mobile: (206) 595-2747 http://www.drstrong.com ---Original Message-- From: Kerschke, Bill Sent: Wednesday, September 25,2002 11 :54 AM To: 'Iuay.joudeh@nwlink.com' Subject: RE: Please reply to this mail account Luay, Sorry for the delay. I reviewed the Wetland Classification Assessment for La Fortuna Townhouses (Gary Schulz, August 25, 2002) that was prepared for Pre-Application AOIPMI15. Based on my review and observations from a brief site visit, I concur with the reports conclusions that Wetland A is a Class 2 Wetland, currently requiring a 50-foot buffer and 15-foot building setback. As was discussed during previous project correspondence, wetland B is hydrologically connected to wetland A, and therefore, is also considered a part of Wetland A (wetland B is also a Class 2 Wetland). I will note my findings within our internal database under the pre-application file number. Please call me if you have any questions, Bill --Original Message--- From: Luay R. Joudeh, P.E. [mailto:luay.joudeh@nwlink.comJ Sent: Wednesday, September 25,20028:25 AM To: BiII.Kerschke@metrokc.gov Subject: La Fortuna Hello Bill, Could you please send an email message confirming the classification of the wetland as a class 2? Thanks Luay R. Joudeh, P.E. President D. R. STRONG Consulting Engineers. Inc. 10604 NE 38th Place #101 © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report \0 LaFortuna Townhouses King County, Washington Kirkland. WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Mobile: (206) 595-2747 hltp:llwww.drstrong.com ----Original Message--- From: Luay R. Joudeh, P.E. [mailto:luay.joudeh@nwlink.com] Sent: Thursday, August 15,20028:09 AM To: Bill.Kerschke@metrokc.gov Subject: La Fortuna Thanks Bill for the input. I will be implementing your suggestions in the next few days after you and Gary have had a chance to discuss the classification of the wetland. Luay --Original Message---- From: Kerschke, Bill [mailto:Bill.Kerschke@METROKC.GOV] Sent: Tuesday, August 13,2002 4:16 PM To: 'Gary Schulz'; luay.joudeh@drstrong.com Subject: RE: La Fortuna Project Luay and Gary: As I mentioned to you in my telephone message (Luay), based on my review, it does not appear that the current layout of your proposed building site plan could be approved without a sensitive areas variance. Additionally, as I mentioned to you in my message, based on my brief review, I do not believe that the project could meet the variance criteria. Therefore, I went over the site plan and tried to look for some options. I also spoke to Nancy Hopkins (Zoning) and Bill Mudd (Fire Flow) to get their input. Based on my review, I have come up with some suggestions (see below). A big caveat to this is the issue ofthe wetland classification. Please note that the wetland classification issue (class I or II based on hydrologic connection) will need to be addressed. Suggestions: 1) Eliminate the circular turnaround (i.e. The portion of the road to the west of the proposed recreation space). Based on discussions with Nancy and Bill M., a circular dive is not needed. The current gravel road that crosses the hydrologic connection between wetland A and B can be removed and utilized for mitigation. 2) It appears that some of the northern portion of wetland B may be impacted by the proposed access road. Reduce wetland impact to the greatest extent possible. Mitigate for wetland impacts at a 2:1 ratio. To mitigate for wetland road fill, remove the fill that occurs to the south of the existing storm water pond. Please note that the required buffer will need to be placed along the outer perimeter of the restored wetland. Any proposed buffer averaging associated with the proposed access road would need to be consistent with buffer averaging criteria (i.e. no reduction beyond 65% of the standard buffer width, etc. See Public Rules: © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report 11 LaFortuna Townhouses King County, Washington http://www.metrokc.gov/ddes/pub _ rule/acrobat/2IA-24SAFinal.pdf). Impacts to the wetland buffer from the road crossing would also need to be addressed. 3) Reconfigure the layout of the project to assure it meets buffer averaging criteria (i.e. reduction no greater than 65% of the standard buffer width, must demonstrate greater protection to the wetland resource, contiguous buffer, etc.). Please note that under King County Code, you will not be allowed to buffer average into forested buffers since it is almost impossible to demonstrate an improvement to the resource through the averaging (if I remember correctly, there are mature conifer trees within the buffer to the south of Wetland B). Based on these constraints, it appears that you will need to reconfigure the layout of :Building I and lose some of the existing units (probably at least 3). Additionally, the recreation space will need to be reworked to avoid impacting the wetland buffer (talk to Nancy Hopkins about options-206-296-7120). 4) Remove the parking area to the west of Building H-this are will likely be required for buffer averaging, depending upon final layout. Please feel free to contact me if you have any questions. PRE-APPLICATION MEETING FLOODPLAIN ISSUES Per the pre-application meeting minutes this project is required to conduct a minor floodplain study. Further research has shown that the elevation of SE Petrovitsky Road at the point the culvert connecting the on-site wetlands with their downstream counterparts is at an elevation more than two feet below the lowest proposed building finished floor elevations which allows for a minor floodplain study exception per the KCSWDM 4.4.2.1. © 2003 D. R. STRONG Consulting Engineers Inc Technicallnformation Report 12 LaFortuna Townhouses King County, Washington SECTION III III. OFF-SITE ANALYSIS The following Level One Downstream Analysis was prepared for inclusion with this report. © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report Il LaFortuna Townhouses King County, Washington LA FORTUNA TOWNHOUSES LEVEL ONE DOWNSTREAM ANALYSIS Prepared/or: K-Best Construction, Inc. 4801 Stonn Lake Road Snohomish, WA 98290 Prepared by D. R. STRONG Consulting Engineers Inc. 10604 N. E. 38th Place, Suite 101 Kirkland, W A 98033 January 14, 2003 LA FORTUNA TOWNHOUSES LEVEL ONE DOWNSTREAM ANALYSIS TABLE OF CONTENTS 1. NARRATIVE. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 II. UPSTREAM TRIBUTARY AREA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ill. SITE DRAINAGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 IV. DOWNSTREAM ANALYSIS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 V. REVIEW OF EXISTING RECORDS. . . . . . . . . . . . . . . . . . . . . . . . . . . 7 VI. CONCLUSION ................ : . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 LIST OF FIGURES FIGURE DESCRIPTION 1 2 3 4 5 6 7 SITEMAP ............................................. . USGS MAP ............................................ . STREAMS AND 100-YEAR FLOOD PLAINS ................ . WETLANDS ............................................ . EROSION HAZARD AREAS .............................. . LANDSLIDE HAZARD AREAS ............................ . SEISMIC HAZARD AREAS ............................... . APPENDICES APPENDIX "A" APPENDIX "B" DOWNSTREAM MAP & TABLE ......... . DRAINAGE COMPLAINTS ................. . 102003 D. R. STRONG Consulting Engineers. Inc. level I Drainage Analysis 2 3 9 10 11 12 13 14 16 La Fortuna Townhouses King County I Washington LA FORTUNA TOWNHOUSES LEVEL ONE DOWNSTREAM ANALYSIS DISCLAIMER: This report was prepared at the request of K-Best Construction, Inc. for the 4.51 acre parcel located at 12632 Petrovitsky Road (Site). D. R. STRONG Consulting Engineers Inc. (DRS) has prepared this report for the exclusive use of DRS, K-Best Construction, Inc. and its agents, for specific application to the development project as described herein. Use or reliance on this report, or any of its contents for any revisions of this project, or any other project, or by others not described above, is forbidden without the expressed permission by DRS. I. NARRATIVE This Level One Drainage Analysis was prepared in accordance with the 1998 King County Surface Water Design Manual (Manual). The proposed development will consist of a 41-unit townhouse development on a 4.51 acre parcel, which will add approximately 77,241 square feet (s.f.) of new impervious surface (project). A Site and downstream field evaluation was performed on November 21, 2001 under rainy weather conditions. For the purpose of this analysis the Site will consist of the Lot A of the recently approved Boundary Lot Line Adjustment. The existing Site is undeveloped. The Site has two Natural Discharge Areas (NDA) which join paths within a quarter mile of their discharge location from the Site. Therefore, the Site has two NDA which are located in a single Threshold Discharge Area (TDA "A") (see Appendix "A" "Downstream Map"). Both of the NDA's downstream paths were studied during the field visit. The downstream path from NDA #1 on the west shall be considered the main natural discharge point. NDA #l's surface runoff leaves the Site as southwesterly sheet flow, then is eventually discharged iuto the southerly flowing channel located near the western boundary of the Site. The downstream path from NDA #2 leaves the Site at Point "A2", and meets up with downstream path of NDA #1 via a manhole which is located approximately twenty feet downstream ofPoiut "B". The "Downstream Analysis" in Section N describes the two downstream paths in greater detail. @2003 D. R. STRONG Consulting Engineers, Inc. Level I Drainage Analysis La Fortuna Townhollses King County, Washington 102003 D. R. STRONG Consulting Engineers, Inc. Levell Drainage Analysis FIGURE 1 SITE MAP 2 La Fortuna Townhouses King COlUlty, Washington ------ \ \ ----- ---- C) ~ ~ r- !;1 ~ .... 0 ~ ~ II II 0) C) .... ~ I\) C) ~ \ ,~ \ \ \ "i - ---- $ , £ > £ 6l r;I1I ~ ro 6) " " 6) , " -----:,: 7 ~ ~ ( ~ E§G) • ro I I I \ I L ro s, -n ~-=l. '" ----'9 " ! , J / '---..--' / ~ -l " ~ i o • '" '2 ,. " ~ 0;;; z g ~'" \) -_._,.,._., BC 6' CHAIN UNK ftNi...'t COPYRIGHT @ 2003, D,R, STRONG CONSULTING ENG" INC, LA FORTUNA TOWNHOUSES IIIRIJ DRS TRO NG LEVEL ONE -FIGURE 1 (SITE: MAP) fJ S . . KING COUNTY. WASHINGTON Consulting Engineers Inc. DRAWN JSF DATE 01-14-03 CHECKED LRJ SCALE 1" =50' PROJ NO, 01-261 SHEET OF 1 10604 NE 38tn PLACE, SUITE 101 KIRKLAND, WA 98D33 ENGINEERS • PLANNERS • SURVEYORS (425) 827-3063 1-800-962-1402 FAX NO: (425) 827-2423 ©2003 D. R. STRONG Consulting Engineers, Inc. Level 1 Drainage Analysis FIGURE 2 USGS MAP 3 La Fortuna Townhouses King County, Washington II. UPSTREAM TRIBUTARY AREA In evaluating the upstream area, we reviewed the USGS maps (see Figure 2), the existing topographic surveys, and visited the Site. From the USGS maps it appears that the upstream tributary area is approximately 5.5 acres. Based on the existing topographic surveys and the Site visit it appears that approximately 2 acres of the developed upstream runoff is collected and conveyed to the Site, where it is discharged into a retention pond located in the northwest comer of the Site. This retention pond then conveys the runoff to the south as channel flow to Point "A", where it exits the Site. The remainder of the upstream area directs the majority of the surface runoff water to the eastern boundary of the Site. From there the runoff is conveyed through the Site and exits at Point "A2". III. SITE DRAINAGE The King County Sensitive Area Map Folio (1990) indicates that the Site's downstream path is within one mile of an erosion hazard area, Class 2 Stream with Salmonids, 100-year floodplain, and seismic hazard area. Soos Creek Wetland No. 104's north end appears to infringe on the Site's southwest comer, and continues south until S.E. Petrovitsky Road. The Site is best described as being divided into two NDAs found within one TDA. The TDA considering the off site upstream tributary area is approximately ten acres, with the on-site TDA being approximately 4.5 acres. NDA #1 encompasses approximately 3.1 acres located in the northwestern portion of the Site, and has slopes ranging from less than one percent on the western portion to approximately ten percent on the northern portion. NDA #1 will be refered to as the "Northern Catchment", within the Technical Information Report (TIR) for this Project. Within NDA #1 there are two wetlands as well as an existing retention and detention pond. This King County maintained retention and detention pond is located within the northern portion of the wetland (Wetland "A"), approximately twelve feet south of the north property line and about eighty feet east of the west property line. The existing surface runoff water that is collected upstream of the Site, is conveyed through a series of pipes to this pond. This pond eventually discharges to the south as channel flow. This predominately southern flowing channel incorporates several minor directional changes before it exits the Site at Point "A" (see Appendix A -Downstream Map). The approximate area of Wetland "A" on-Site is 46,178 S.F. The second wetland (Wetland "B") encompasses approximately 3,841 S.F. and is approximately 100 feet south of the north property line, as well as, 270 feet east of the west property line. Runoff generated from Wetland "B" will sheet flow in a southwesterly direction to Wetland "A". NDA #2 encompasses approximately 1.4 acre, and is located within the extreme southeastern portion of the Site, with slopes ranging from approximately one percent to ten percent. NDA #2 will be referred to as the "Southern Catchment", within the TIR. Within NDA #2 there is wetland (Wetland "C") with an approximate area of 1,649 S.F. Wetland "c" is located approximately forty-five west ofthe east property line and 100 feet north of the south property line. The runoff that is generated from Wetland "C", as well as NDA #2 produces a southwesterly sheet flow to where it exits the Site at Point "A2". ©2003 D. R. STRONG Consulting Engineers, Inc. Level I Drainage Analysis 4 La Fortuna TOVlllhouses King County, Washington The Project is required to meet the Level One Flow Control and Basic Water Quality Treatment criteria. The Project, however, will meet Level Two flow control requirements in order to alleviate any concerns about flooding in the downstream flow path. Runoff from the Site's impervious surfaces will be collected on-site in two vaults, treated for water quality, detained, and released per the level of control. . IV. DOWNSTREAM ANALYSIS The downstream analysis is further illustrated and detailed in the Downstream Map and Downstream Table located in Appendix A. The downstream area was evaluated by reviewing available resources, and by conduction a field reconnaissance. NDA #1 -North Catchment The downstream analysis began at Point "A" located approximately 36 feet east of the southwesterly most comer of the Site. The runoff leaves the Site as southerly channel flow. The channel properties are best described as two to four feet wide, one to three feet deep, with a trapezoidal shape, and no vegetation on the bottom. The channel continues in a southerly direction to Point "B" for approximately 445 feet, at a slope close to 2%. There was a flow present. (0' -445') At Point "B" there are two 36" culvert (CMP & CPEP) conveying the runoff under S.E. Petrovitsky Road. The culverts were equipped with debris racks. Flow from NDA #2 is discharged into the flow path of NDA #1 via a manhole located in line with the easterly 36" CMP, which is located approximately twenty feet downstream of Point "B". The downstream path ofNDA #2 will be terminated at Point "B". (445') From Point "B" to Point "C" the flow changes to southerly pipe flow for approximately 100 feet with a slope close to 2%. There was a flow present. (445' -555 ') Point "C" is located just south of S.E. Petrovitsky Road's right-of-way. The 36" culverts discharge into a southerly flowing channel. (555') From Point "C" to Point "D" the flow changes to southerly channel flow for approximately 990 feet with a slope near 2%. There was a flow present. The channel is six to eight feet wide, two to four feet deep, trapezoidal in shape, and no vegetation on the bottom. (555' -1545') Point "D" is where the downstream path joins up with Big Soos Creek, as well as, where the downstream analysis for this Project was terminated. NDA #2 -South Catchment The downstream analysis for this portion of the Site starts at Point "A2", located approximately 112' feet west of the southeast most comer of the Site. The runoff travels approximately 45 feet as southwesterly sheet flow at a slope near 2% to "B2". The area was wet. (0' -45') @2003 D. R. STRONG Consulting Engineers, Inc. Level 1 Drainage Analysis 5 La Fortuna Townhouses King County, Washington Point "B2" is where the runoff is discharged to a pond. This pond is approximately 80 feet long (north-south) and forty feet wide (east-west). (45') From Point "B2" to Point "C2" the runoff passes through a pond in southwesterly direction for approximately 35 feet. (45' -80') Point "C2" is located approximately at the midpoint of the west bank of the pond. At this point the runoff is conveyed in a pipe to the southwest. (80') From Point "C2" to Point "D2" the flow changes to southwesterly pipe flow, through a 12" RCP for approximately 65 feet at a slope near 2%. (80' -145') At Point "D2" the pipe discharges into another pond. The dimensions of this pond are approximately 120 feet long (north-south) by 50 feet wide (east-west). Point "D2" is located roughly 30 feet south of the north end of the pond. (145') From Point "D2" to Point "E2" the runoff passes through a pond in southerly direction for approximately 80 feet. (145' -225') At Point "E2" the runoff enters a 12" RCP with a debris rack. (225') From Point "E2" to Point "F2" the flow changes to southwesterly pipe flow for approximately 75 feet at a slope close to 2%. (225' -300') Point "F2" is a catch basin with a solid locking lid. (300') From Point "F2" to Point "G2" the flow changes to southerly pipe flow for approximately 40 feet at an unknown slope through a 12" RCP. (300' -340') Point "G2" is a catch basin with a solid locking lid. (340') From Point "G2" to Point ''E'' the flow changes to westerly pipe flow through a 12" RCP for approximately 150 feet at an unknown slope. (340' -490') Point "B" the downstream path of NDA #2 joins the downstream path ofNDA #1. (490') ©2003 D. R. STRONG Consulting Engineers, Inc. level 1 Drainage Analysis 6 La Fortuna Townhouses King County, Washington V. REVIEW OF EXISTING RECORDS A review of the King County Water and Land Resources Division -Drainage Services Section Documented Drainage Complaints within one mile of the Site's downstream path revealed eight complaints within the last seven years. Of those eight drainage complaints, seven were related to flow control issues, and one related to water quality (please see the attached list of drainage complaints from King County Water and Land Resources Division). When these complaints were investigated more thoroughly, only one was located within the one-mile area of the Site's downstream path. This complaint was filed on December 11, 1996 and is located approximately 240 feet south of S.B. Petrovitsky Road (or Point "C"). This complaint was related to standing water on the lawn of one of the downstream properties, and was investigated thoroughly by a King County Official (see Drainage Investigation Report File #96-2050). In the investigation, the County staff noted regarding the flooded areas, "due to the lack of slope on the property it did not appear this area will drain natura1ly." The County findings did not arrive at any solution. Another one of the flow control related complaints discusses a problem upstream of the Site, which occurred in September 18, 1995. It was filed by the property owner who is adjacent the Site's east boundary (see Drainage Investigation Report File #95-0790). This complaint discusses in detail the issues of blocking and/or plugging of one or more conveyance pipes off of the Site. In reviewing this complaint, it was determined that these pipes, which were allegedly disturbed, caused a conveyance problem for the parcel adjacent to the Site to the east. The owners apparently have addressed this complaint, and there have been no additional reported problems related to this drainage complaint. In the investigation of the drainage complaint that was related to water quality, it was determined that a juvenile had dumped gasoline, into the existing retention pond located on the Site's northwest comer. This matter was appropriately addressed and resolved by the County. This Project should not create any new adverse drainage concerns. Included are sections of the King County Sensitive Areas Map Folio, which indicate the following: • Streams & 100 Year Floodplains: South of the Site approximately one-third of a mile downstream there is a Class 2 Stream with Salmonids known as Big Soos Creek. There is also a 100-Year Floodplain located approximately one-eighth of mile downstream of the Site. (See Figure 3) • Wetlands: There are three wetlands within one mile downstream of the Site. Soos Creek Wetland No. 104's northern tip is located near the southwest comer of the Site. The second one is Soos Creek Wetland No. 13-B is located approximately one-eighth of mile downstream of the Site. Soos Creek Wetland No.2 is located approximately three quarters of a mile downstream of the Site. (See Figure 4) ©2003 D. R. STRONG Consulting Engineers, [nco level 1 Drainage Analysis 7 La Fortuna Townhouses King County, Washington • Erosion Hazard: There is a mapped erosion hazard area located approximately one half of mile downstream of the Site. (See Figure 5) • Landslide Hazard: There are no mapped landslide hazard areas within one mile of the downstream path. (See Figure 6) • Seismic Hazard: There is a mapped seismic hazard area located approximately one-eighth of a mile downstream of the Site. (See Figure 7) VI. CONCLUSION Project runoffwill be collected on-site, treated for water quality, detained, and released as per the 1998 King County Surface Water Design Manual Flow Control requirements. During construction, standard sediment and erosion control methods will be utilized. This will include the use of a stabilized construction entrance, a perimeter silt fence, straw bales, catch basin inserts, sediment traps, and other necessary measures to minimize soil erosion during construction of the roads and townhouses. In general our analysis did not reveal any significant downstream problems. Drainage complaints filed within the last seven years do not indicate substantial drainage problems, or problems that will be aggravated by this Project. @2003 D. R. STRONG Consulting Engineers, [nco Levell Drainage Analysis 8 La Fortuna Townhouses King County, Washington FIGURE 3 STREAMS & lOO-YEARFLOODPLAINS 102003 D. R. STRONG Consulting Engineers, Inc. Level 1 Drainage Analysis 9 La Fortuna Townhouses King County, Washington 102003 D. R. STRONG Consulting Engineers., Inc. Level I Drainage Analysis FIGURE 4 WETLANDS 10 La Fortuna Townhouses King County, Washington FIGURES EROSION HAZARD AREAS <02003 D. R. STRONG Consulting Engineers, Inc. Levell Drainage Analysis \I La Fortuna Townhouses King County, Washington FIGURE 6 LANDSLIDE HAZARD AREAS ©2003 D. R. STRONG Consulting Engineers, Inc. Level 1 Drainage Analysis \2 La Fortuna Townhouses King County, Washington FIGURE 7 SEISMIC HAZARD AREA 102003 D. R. STRONG Consulting Engineers, Inc. Level 1 Drainage Analysis 13 La Fortuna To\\t1lhouses King County, Washington APPENDIX "A" DOWNSTREAM TABLE & MAP ©2oo3 D. R. STRONG Consulting Engineers, Inc. Level 1 Drainage Analysis 14 La Fortuna Townhouses King County, Washington Surface Water Design Manual, Core Requirement #2 DOWNSTREAM PATH NATURAL DISCHARGE AREA #1 -NORTH CATCHMENT A-8 SOUTHERLY CHANNEL CHANNEL PROPERTIES: 2'-4' WIDE, 1 '-3' FLOW DEEP, WlTH A TRAPEZOIDAL SHAPE, AND NO VEGETATION ON BOTTOM. FLOW WAS RESENT. B-C SOUTHERLY PIPE FLOW 2 -36" CULVERT, WESTERLY ONE IS A ePEP, AND THE EASTERLY IS A eMP, BOTH A DEBRIS RACK. FLOW WAS PRESE C-D SOUTHERLY CHANNEL CHANNEL PROPERTIES: 6'·8' WIDE, 2'-4' FLOW DEEP, TRAPEZOIDAL IN SHAPE, AND NO VEGETATION ON THE BOITOM. FLOW WAS @2003 D. R. STRONG Consulting Engineers Inc. Level One Drainage Analysis 2 0' -445' I NONE OBSERVED I NONE ANTICIPATED 2 445' I NONE OBSERVED I NONE ANTICIPATED 2 455' -1545' NONE OBSERVED NONE ANTICIPATED lof3 POINT "B" IS WHERE THE DOWNSTREAM P ATR FROM NDA #2 POINT "D" THE SITE'S DoWNSTREA.\f PATH JOINS BIG SODS CREEK M'D rHE ANALYSIS WAS TERMINATED. LA FORTUNA TOWNHOUSES King County, Washington Surface Water Design Manual, Core Requirement #2 DOWNSTREAM PATH NATURAL DISCHARGE AREA #2 -SOUTH CATCHMENT Al-B2 SOUTHWESTERLY SHEET LIGHT WOODS WITH NATIVE GRASSES FLOW CQVER THE GROUND. AREAWASDRY B2 SURF ACE RUNOFF POND SURFACE IS APPROXIMATELY 80' ENTERS A POND LONG BY 40' WIDE. B2-C2 OPEN BODY OF WATER THE SHORTEST DISTANCE THAT SURFACE (POND) WATER CAN TRAVEL BEFORE EXITING THE C1 SURfACE WATER EXITS I THIs POINT IS LOCATED NEAR THE BANK OF THE POND. C2-D2 SOUTHWESTERLY PIPE 12" Rep. FLOW WAS PRESENT. FLOW D2 SURF ACE RUNOFF POND SURFACE IS APPROXIMATELY 120' ENTERS A POND LONG BY 50' WIDE. D2-E2 OPEN BODY OF WATER THE SHORTEST DISTANCE TI-lAT SURF ACE (POND) WATER CAN TRAVEL BEFORE EXITING THE POND IS APPROXIMATELY 80'. E2 I SURFACE WATER EXITS THIs POINT IS LOCATED NEAR THE I E2-F2 SOUTHWESTERLY PIPE 12" Rep. FLOW WAS PRESENT. FLOW F2 CATCH BASIN CATCH BASIN WITH SOLID LOCKING LID @2003 D. R. STRONG Consulting Engineers Inc. Level One Drainage Analysis 2 0' -45' I NONE OBSERVED I NONE ANTICIPATED 45' NONE OBSERVED NONE ANTICIPATED NA 45' -80' NONE OBSERVED NONE ANTICIPATED 80' I NONE OBSERVED I NONE ANTICIPATED 2 80' -145' I NONE OBSERVED I NONE ANTICIPATED 145' NONE OBSERVED NONE ANTICIPATED NA 145' -225' NONE OBSERVED NONE ANTICIPATED 225' NONE OBSERVED NONE ANTICIPATED 2 225' -300' NONE OBSERVED NONE ANTICIPATED 300' NONE OBSERVED NONE ANTICIPATED 20f3 LA FORTUNA TOWNHOUSES King County, Washington F2-GZ SOUTHERLY PIPE FLOW 12" RCP, Surface Water Design Manual, Core Requirement #2 DOWNSTREAM PATH NATURAL DISCHARGE AREA #2 -SOUTH CATCHMENT UNK. 300' -340' NONE OBSERVED NONE ANTICIPATED G2 CATCH BASIN CATCH BASEN WITH SOLID LOCKING UD 340' NONEOBSERYED NONE ANTICIPATED G2-B WESTERLY P1PE FLOW 12" RCP, @2003 D. R. STRONG Consulting Engineers Inc. Level One Drainage Analysis UNK. 340' -490' NONE OBSERVED NONE ANTICIPATED 30f3 AT THIS POINT IS WHERE NDA #2 JOINS LA FORTUNA TOWNHOUSES King County, Washington DOWNSTREAM MAP ©2003 D. R. STRONG Consulting Engineers, Inc. Level I Drainage Analysis 15 La Fortuna Townhouses King County, Washington --::. -=-= -=-= -=-= C~SCADE VISTA NO.3 II -~I CASCADE VISTA NO.3 ----=--= -=--= -=--= -+ --- I I _------'-~ " I ----.-Y 1/ T T VJ_~ -±.' .-~-~ DEVELO ED UPSTRE+ / \ TRIB ARY AREA o , ± 1 3.812 s'r. I I~"F~~)~~' I J/ I I~ 'OA . I ~\ r /' I it27. 6 I ~_ -/' 1 ~ /' I 8 7 I I i 1 I ;' ra 1 I ~~--~-__ 1 -------------------------I ---~ -------...... --I 1 ---..--J ~ ...--I ...... o~~---\ I -~?---1 -----I -----I I I I I o 200' 400' SCALE: 1" = 200' COPYRIGHT ® 2001, O.R. STRONG CONSULTING ENG., INC. LA FORTUNA TOWNHOUSES DOWNSTREAM FLOW PATH DRAWN MAE DA TE 03-06-02 JOB NO. 01-261 CHECKED LRJ SCALE 1· = 200' SHEET 1 OF 1 lid Po~~ting ~~~~;;n<:' 10604 NE 38th PLACE. SUITE 101 KIRKlAND. WA 98033 ENGINEERS • PLANNERS • SURVEYORS (425) 827-3063 1-800-962-1402 FAX NO: (425) 627-2423 APPENDIX "B" DRAINAGE COMPLAINTS ©2003 D. R. STRONG Consulting Engineers, Inc. Level I Drainage Analysis 16 La Fortuna Townhouses King County, Washington KC WLRD NO.433 P.2/3 _ CdItY Witiii' IIIl8III .... 11V11f11r -lr_1II'VIII8I saouon .. lilt Iaarch Printed; 1211912002 12:26: oe PM C._It :: TYIII.r .... ...... otPrtMn C..IIIII 1IIraa,. IbIIII' 1974-0116 C DRNG 12517 PETROVITSKY RD BE CASCADE VISTA PLAT AREA 656F7 1975-0146 C FLOG 12210 SE PETROVlTBKY RD 6S6F7 1983-0361 C DRNG U 711 SE 178TH ST ILLEGAL FILL 656F7 1983-0406 C FLOG 12210 PETROVITSKY RD SE CASCADE VISTA AREA 658F7 196+0304 C 17411 11mtAve SE FILL 656F7 1984-0310 C FLOG 18019 118THAVC 5E BENSON HILL AREA 658F7 1984-0315 C DRNG 18504 112THAVESE EASEM'T BlKEDn7409126TH AVE 5E 658F7 1984-0316 C FILL 1B504 112THAVESE ILLEGAL@ 17408126th AVE BE 6S6F7 1984-0322 C FWG 12602 SE 176TH 5T 656F7 1984-0398 C FLOG 12602 PETROVITSKY RD 658F7 1985-0235 E DRNG &n5dy RQD-COMP BY CrnDT 666F7 1985-0235 EH WQI •.. B&nSdy RQo.COMP BY CrnOT 656F7 1985-0235 5E 1) 656F7 1985-0604 C FILL 17232 118THAVE SE DRNG OBSTRUCTION 656F7 1985-1021 C . FILL 12234 5E 178TH ST TO GRADING 656F7 1986-0284 C FLOG 12137 5E 172NDST FLOODED LOT 656F7 1987-0499 C NOT IN FILE. 656F7 1987-0723 C FLOG 17635 122ND PL 5E 51L TING & POLLUTION-PETROVI5KY CON 656F7 1987.()817 C FILL 12637 5E 176TH 5T WETLANDSiSE PETROVITSKY ROf126TH A B56F7 1987·0817 ER WETLAND 12637 SE 178TH 5T BALD LD ACT, SPT BALD GROG. 656F7 1987-0695 C FILL 18217 11BTH AVE SE FOLLOW FROM GRADING 656F7 1987-0895 E FIHL TO RDS FOR COST EST. 100RE. B56F7 1987-1123 C DRNG 17324 11mtAVE se HOLE AT END OF DRNG PIPE 88-0129,111 656F7 1987-1194 X DRNG 18217 118TH AVE SE BLOCKED COUNTY DRAINAGE 87-0895 656F7 1988-D382 C DRNG 12505 5E 172ND ST DRNG DITCH-COLOR OF WATERISOOS C 656F7 1990-0271 C DRNG 12420 SE PETROVISKY RD DRAINAGE CONSTRUcnONfSTORM EVEN 656F7 1990-0666 CL FLOG 12602 BE PETROVITSKY RD C1.#12867 DUE MAY 656F7 199Q..0664 E MANHOLE FAILURE 656F7 1991-0031 C FLOG 18217 124TH AVE BE STORM EVENTfNO DITCH PONDING 6S6F7 1991-0099 CL FLOG 12602 SE PETROVITSKY MEMOTOPA 6S6F7 1991-0852 C FLOODING 12615 BE PETROVISKY RD WATER FROM BANK 656F7 1991-0862 SR FLOODING 12615 SE PETROVISKY RD WATER FROM BANK 656F7 1991-1023 C FLOODING 11633 SE 180TH ST WATER FROM ROADWAY 656F7 1991-1087 C FLOODING 18216 124THAVE SE LACK OF DRNGfNEW HOUSES 656F7 1992-0571 C DRAINAGE 12301 SE 172ND DITCH CAPACITY -OLD PROBLEM 656F7 1992-0571 5R DRAINAGE 12301 SE 172ND DITCH CAPACITY-OLD PROBLEM NOT NO 656F7 1992-0609 C DRAINAGE 17225 125TH 5E CASCADE VISTA SnJDY 656F7 Page 1 of 2 __ ~. ~_ ..... ~<-"'"..JL}f-I-1 NO. 433 --1yPa TvPI af I'rIIIIaII W'aas If I'rIIIIIIIn cm...tI lbruPIII/O ..... COda 1993-0186 wac wa-OIL 12301 SE 172ND SEE 91-1106 656F7 1993-0338 wac OIL DUMP 12000 SE PEIROVITSKY RD SWM DIDNT ENF ACTION 656F7 1993-0570 C DRAINAGE 17113 127TH AVENUE SE WATER LINE LEAKS 656F7 1993-1059 E PIPE 12700 SE PETROVITSKY CASCADE VISTN BRODKA 656F7 1993-1059 ER PIPE 12700 SE PETROVITSKY CASCADE VlSTAI BRODKA 656F7 1994-0128 C DRNG 12420 PETROVISKY RD NEIGHBOR CONSiRUCTING POND 656F7 1994-0450 WQC lLUHKUP 12517 SE PETROVlTSKY RD SEPTIC PROBLEM 656F7 1995-0649 C FLOODING 12602 SE PETROVISKY RD BRODKAIWORELY DISPUTE 656F7 1995-0790 E DRAINAGE 12632 SE PETROVISKY RD OPEN LAWSUIT BETWEEN WORLEY AND 656F7 1995-0790 ER DRAINAGE 12632 SE PETROVlSKY RD OPEN LAWSUIT BETWEEN WORLEY AND 656F7 1996-0679 C FLOG 12031 SE 170TH PL IMPACT TO PVT PROPERTY FROM UNMAI 858F7 , 1996-1135 C W-O·R 17321 125THAVE SE WATER PONDING AT END OF SAC NO RD 656F7 1995-1169 wac OIL 12105 SE 110TH PL URBAN DRAINAGE DISCHARGE INTO CHA 656F7 1996-2050 C FLOG 12601 SE PE1'ROVITSKY RD NAT CHAL SEDIMENT IMPACT CIP PROJ?? 656F7 1997.()692 C DRAINAGE 17103 125THAVE' SE COTTONWOOD TREE AOJ TO STORM PIP 656F7 1997-1316 WQR SPILL 12700 SE 172ND ST 656F7 199s.o052 C DRAINAGE 17120 125THAVE SE WATER pONDING ON PROP TECH ASST R 656F7 1998-0489 C DRAINAGE 17321 125THAVE SE WATER PONDING WITHIN RD RlW 658F7 1999-0329 FCR BAMBOO 12317 se 179TH PL NON NATIVE GROWTH IN RID FACILITY 686F1 1999-0486 C FILL 12420 PETROVlTSKY RD FILL ACTIVITY ON ADJ PROP IMP FLOW 01 656F7 2001-0014 C DDM 12207 SE 172NO ST REQUEST FOR CLEANING OF DRAINGE C 656F7 2001-0014 NOA-DOM 12201 SE 172NDST REQUEST FOR CLEANING OF DRAINGE C 656F7 2001-0014 R ODM 12207 SE 172ND ST REQUEST FOR CLEANING OF ORAINGE C 656F7 2001-0109 C OOM 12510 SE PETROVISKY APPARENT FILLING AND DRAINAGE ACTI 656F7 2001-0117 C DDM 12308 SE pETROVISKY RD DUMPING OF YARD WASTE AND CHANNE 656F7 2oo1-D247 FCR MMA 12317 SE 179TH PL IDENTIFIED NOXIOUS WEEDS. BLACKBE 686F1 2001-0382 C DDM 16924-1 125TH PL SE ROADS INDICATED PIPE SEPARATION OF 656F7 2001-0382 R DDM 16924-1 125TH pL SE ROADS INDICATED PIPE SEPARATION OF 656F7 2001-0684 C MNM 12301 SE 172ND ST ALAN WORKING ON PROPoseD ORAl NAG 656F7 2001-0726 C DOM 12215 SE 172NDST THIS PROBLEM IS ALREADY BEING ADDR 656F7 2002-0614 WOC WOO SE 175T & 120TH AVE SE DISCHARE OF CARPET CLEANING LIQUID 658F7 2002-0614 WQE waD SE 175T & 120TH AVE SE DlSCHARE OF CARPET CLEANING LIQUID 656F7 Page2of2 KING COUNlY SURFACE WATER MANAGEMENT DIVISION DRAINAGE INVESTIGATION REPORT Page 1: INVESTIGATlON'REQUEST Type Received by: (.; OK'd by: '/" , FDe No. ( '/I-;{ oc. -Receivsd from: (Please print plaInly for scanning). (Day) (Eve) PHONE cf/6&;-,y7dY 72i7;:a~ NAME: '~~~ £?~M ' ' ADDRESS: 1:=0 L5'l: (3cidfl'l City vr}!l2/m2 State Zip~OS location of problem. If different: Reported Problem:tb~ t2//?fr7A;~ -& a-a-rcL ~ ~' #.0 ;//LiW~ UY7~~ ~ <0tv ~ a/-~ /d'~ ~/-<2& (h ta tlrvrJ(~) ~ MD ~ ~<-£/ d,r' {'ii5C'oo!bf VISTiI /l~~F.vI/~t J1et>7'~l" r H )(.r /Ai /).ec-;'.,J /,: (~~.;q,.;1... dl.vn.-t-'T", ITS F.,,~rHl.7e ,0· n;,~ AIo~7/Y ,1..<.//./ y..J{(.l ~1/';.r !.." ~·"/·./I'-;'"'r ,1-/15 ?.I?o~ (?u.'-y, Lot No: S'~ Block No: ¥ 2 Other agencies Involved: NO,Reld Investigation Needed __ _ (lnlUaJs) SL...2:±.. 21... -L Parcel No. r2 73"100 -0 ([) ') KroII....:::._~ 1/4 S T R , BaSISOU CouncB DIst~ Charge No: RESPONSE: Citizen notified on 2-/1<77 by ?< phone letter In person 1-3J'p lC-/~T M'U$fi(',e Lr:r {'IT/Zt'-,v ,ANi/W TI-/f1 j,/Jlt.l-$E /(;',.:'rYlif'V -,rP' $/l,f/r/ !f'rov</d/e.» , /o'ltfy I,"" ~:':-' IJ/J //Ol>//h~?'~ /~f!d j}';;JUI ,;:;;'" [,/./lp,/T L. • DISPosrrION: Turned to ___ on _____ by __ _ OR: No further action recommended because _ Lead agency has been notified: Problem has been corrected. -~~"N;:'o-::p=ro:;:b;-:le=m:-;ha~sLbe;:'e=n:"'id:::;e=n:7.tifi"'"led:-:;-. -----;P"..r"'io':"r ""In"'-ve-s';';'tig:-a""tio-n-a"-d""'d;-re-s-ses--p-ro'blem: -SoeFile# _ Private problem -NDAP will not consider because: ----- Water Originates onsile and/or on neighboring parcel = Location Is outside SWM serv~,. _' _ Other (Specify): DATE CLOSED: ~ $il by: ~ £) P"7\ a- f"-A "'" TCJ .5JA./ 57Zvb .\~ King County Surface Water Management FILENO. NAME KEVIN NGUYEN \ d.~""""""" ADDRESS 12801 -SE PETROVITSKY RD PHONE 286-4724 TB PAGE 656-E7 DRAINAGE INVESTIGATION REPORT FIELD INVESTIGATION KROLL PAGE 802E MAINT. DIVISION _4 __ DATE 12-21-96 INITIALS -MAM DETAILS OF INVESTIGATION: ~ SITE VISIT ON 12-11)·98. FLOODING Of YARD FROM CREEK. INVESTIGATION FOUND PROPERTY BORDERS A DRAINAGE CHANNEL/STREAM. THI! CHANNEL HAS APPROXIMATEL'Y 2 FEET N OF FREEBOARD. THE YARD IS MOSTLY FLAT AND AREAS IN THE YARD HAD STANDINa WATeR. Due TO THe LACK OF SLope ON THE PROPERTY IT DID NOT APPEAR THIS AREA WILL DRAIN NATURALLY. TH! DRAINAGE CHANNEL BORDERING THE PROPERTY IS HUVlLY VEGETATED AND AREAS WITHIN CHANNEL HAV! BeCOME CHOCKED WITH TREES AND DeBRI •• PHOTOS TAKEN II 1 LOOKING AT BACKYARD OF HOUSE 12601 • SE PETROVITSKY AD. # 2 LOOKING AT SOUTH END Of CROSS-CULVERT UNDER SE PETROVITSKY RD. iI 3 LOOKING INTO DRAINAGE CHANNEL FROM THE PROPERTY AT 12601 • se peTROVITSKY RD • .... LOOKING INTO DRAINAGE CHANNEL FROM THE PROPERTY AT 12601 ... SI! PI!.TROVI1'SKY RD. SKETCH: . • ,. DRAINAGE CHANNEL .. \7 <¥I 38" ~M' /.6. 1:. , .. eM. 1 1 .. ~ w z z .. x " w ~ ~ I '" I DRIVEWAY ~ ~ ................ - ···k~~~Q~.TE" SE PETAOVITSKY AD To:Linda Hanson, Basin Steward Water and Land Resources Division Ftiver~geInentSection Mail Stop G22 MESSAGE: Klng.County Water and Land Resource Division From: Larry Gettle, Senior Engineer Water and Land Resources Division Local Drainage Services Unit Mail Slop G22 DATE 2/13/97 For your responce: The attached complaint is just south of the Cascade Vista Drainage Project and the complainant will not benifit from the project The channel which borders his property and is becoming chocked with trees, debris, and material Maybe some type of neighborhood involvement can improve drainage in the channel. See attached copy of complaint and field investigation. SIGNED REPLY: DATE SIGNED Hing County Surface Water Management Everyone /ives t<.C. Engt. wor~h •• 11I , ! , .If Date _____ _ ------ ,'-----I -, I {/au~j () rI .. ---.-- -:::5 7;':-: (--t. /',·i / ('ll/h/;(/C L /',"" /// /~ f..)/ (/:l .... ' W riff J:~--' . K, '.', p,."llld on RECY(:I Ell ",I''''' SECTION IV IV. FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN A. EXISTING SITE HYDROLOGY 1) NORTH CATCHMENT Area Type lmpervious (comm., indust., roads wI collect.) lmpervious (dispersed flowpath <50 feet) lmpervious (grav., park. lots, etc., no collect) lmpervious (roof runoff, no collect) Forest Pasture Grass Wetland Area (Sq. ft.) E.I.F.* o I o o o o 46490 o I Adjusted Area (Sq. ft.) o o o 0.0 o 46490.0 o o Adjusted Area (Acres) 0.000 0.000 0.000 0.000 0.000 1.067 0.000 0.000 Total Area: 46490 Sq. ft. 46490 Sq. ft. 1.07 Acres * = Effective lmpervious Fraction (E.I.F.) = See Pages 3-27 thru 3-29 of the 1998 KCSWDM (Manual) Data to be entered into Time Series File PREDEV-NORTH.TSF Land Use Type Till Forest Till Pasture Till Grass Wetland lmpervious Scale Factor: Time Step: Data Type: Total Area: © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report Area (Acres) 0.000 1.067 0.000 0.000 0.000 1.0 Hourly Reduced 1.07 Acres 15 LaFortuna Townhouses King County, Washington 2) SOUTH CATCHMENT Area Type Impervious (comm., indus!., roads wi collect.) Impervious (dispersed flowpath <50 feet) Impervious (grav., park. lots, etc., no collect) Area (Sq. ft.) E.I.F.* o 1 Impervious 316 0.4 (roof runoff, no collect) (use only if large residential predev area) Forest Pasture Grass Wetland o 58226 1649 1 1 Adjusted Area (Sq. ft.) o o o 126.4 o 58415.6 o 1649 Adjusted Area (Acres) 0.000 0.000 0.000 0.003 0.000 1.341 0.000 0.038 Total Area: 60191 Sq. ft. 60191 Sq. ft. 1.38 Acres * = Effective Impervious Fraction (E.I.F.) = See Pages 3-27 thru 3-29 of the 1998 KCSWDM (Manual) Data to be entered into Time Series File PREDEV-SOUTH.TSF Land Use Type Till Forest Till Pasture Till Grass Wetland Impervious Scale Factor: Time Step: Data Type: Total Area: © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report Area (Acres) 0.000 1.341 0.000 0.038 0.003 1.0 Hourly Reduced 1.38 Acres 16 LaFortuna Tovmhouses King County, Washington FIGURES PREDEVELOPMENTAREAS © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report 17 LaFortuna Townhouses King County, Washington 011 ~I _____ 0 4.5' CHAIN UNK t.Ft"CNC;;C£==-__ _ '" I~[J RiM;';jff7~64 11:::378.54 B"PVC S !E .... S78.57 8"PVC W BUILDING SHED D •• • U'H-J326 • '+yI ,ME Ftfd • I I I -___ -.l • • • • • • • ... , ./ ... , ~ • • '..... .... .... .. ... ...... ... ... ... ... ... oj. ... .- .. .. Will.AlIO .~".. .. .. .. ,.ctASS 2.- ... ... ... ... .... .. ... ... .. ... ... .. ... ... .. ... ... .. .. • • • .. .. .. .. ... .. .. .. 'j • • • ....... .. .. .. •• • ... .. .. ... .. ... • • • .. .. ... .. ... .. ... .. .. .. .. ..... ... .. • .. ........... ....... . .. ..... ..... ~ .. ... .. .... ~ I DPl fJ./ ,--- I , I ./ -;;,:-, , \ -- .. = wooo SH£l) I I I I III I I I I I I 1/1 I I I I I I I I I I I I I I III De. II I. -)()(XX Rl _JB8.51 I IE ~77.69 S-PYC N IE In.30 8'"PVC s I I I AjTCHMENT SF (1.337 AC) t> z ;:: ~ l~ 05 '" NORlH CATCHMENT ±46,490 SF (1.067 AC) o o o I NORlH CATCHMENT GRASS ±46,490 SF (1.067 AC) S: CHAIN UN!): FENCE 12'" CONe CULVERT IE 39".2.4 " OBW V '" ~~;;;: SOUlH CATCHMENT WEllAND ±1,649 SF (0.038 AC) SOUlH CATCHMENT ±60,191 SF (1.382 AC) SOUlH CATCHMENT BUILDING ±316 SF (0,007 AC) I BUIlD''''' RE f9'<" I \..~.:=-----I 0 WATER I T ~ II I I 60' I u ~ ci i5 [;1 ':i iil 8 C> ~ oi o ,.; ° l'l @ >- 15 ~ 8 120' SCALE: 1" = 60' 00 z.s O~ ~.~ "',..'" 8!ii~ "'-,.. , , , ,"""',"" "<0,, ., °"0 Ii) 6 Ii) ,,0 .. ."' .... ~,~ (; z x < ~ E-t 2' ~ UI (J) lij ~ ~ ~ ~ • ~ tJI ..., 0:: ~ UI -0:: S! w '" Z ~ ~ oJ Q. '5 "- ;j ~ '" w w W z Z C!) (5 1l Z _ w COl "- '" 0 I (f) ~ 5 :0:( ~ ci I,a.j ~ Z f- lC)~C (3 l:J ;t 0:: I Q. III ~~~ ~ I~~~ ~I ~ L:i:.: ~ .!. ,II O:"i( 0 II ~~ ~ ~ ~ l.a.J Q: 0 III Gl~ -, :t.q: ~I 5 ..J 0 ~ w ~ () <{ W 0:: I 0 () B. DEVELOPED SITE HYDROLOGY 1) NORTH CATCHMENT Adjusted Area Type Area (Sg. ft.) Area (Sg. ft.) Impervious 35347 35347 (streets, sidewalks, buildings, etc.) Forest 0 0 (inside covenant or SAO boundary) Forest 0 0 (unprotected forest) Pasture 0 0 Grass 11143 11143 Wetland 0 0 Total Collected Area: 46490 Sq. ft. 46490 Sq. ft. Data to be entered into Time Series File DEV-NORTH.TSF Land Use Type Till Forest Till Pasture Till Grass Wetland Impervious Scale Factor: Time Step: Data Type: Total Area: © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report Area (Acres) 0.000 0.000 0.256 0.000 0.811 1.0 Hourly Reduced 1.07 Acres 18 Adjusted Area (Acres) 0.811 0.000 0.000 0.000 0.256 0.000 1.07 Acres LaFortuna Townhouses King County, Washington 2) SOUTH CATCHMENT Adjusted Area Tille Area (Sg. ft.) Area (Sg. ft.) Impervious 41894 41894 (streets, sidewalks, buildings, etc.) Forest 0 0 (inside covenant or SAO boundary) Forest 0 0 (unprotected forest) Pasture 0 0 Grass 18297 18297 Wetland 0 0 Total Collected Area: 60191 Sq. ft. 60191 Data to be entered into Time Series File DEV-SOUTH.TSF Land Use Tille Till Forest Till Pasture Till Grass Wetland Impervious Scale Factor: Time Step: Data Type: Total Area: © 2003 D. R. STRONG Consulting Engineers Inc Technical lnfonnation Report Area (Acres) 0.000 0.000 0.420 0.000 0.962 1.0 Hourly Reduced 1.38 Acres 19 Sq. ft. Adjusted Area (Acres) 0.962 0.000 0.000 0.000 0.420 0.000 1.38 Acres LaFortuna Townhouses King County, Washington FIGURE 6 POST-DEVELOPMENT AREAS © 2003 D. R. STRONG Consulting Engineers Inc Teclmical Information Report 20 LaFortuna Townhouses King County, Washington £~.~-a9 (m) :ON xv. S~OA3fI~nS • S~3NNYld • S~33NION3 lQtr~-l96-0m~-1 £9ot-a9 (g~.) ££096 YIA 'aNV1~"" ,a, llins 'l:)V1d '"9£ 3N t09", ;u_~~tOHis DU/~H~a Pul o :10 133HS ,09=. ~ 31 ... 0S ~9Z-~O 'ON rO~d .:Isr NMV~O S3snOHNMOl 'r/Nru~O.:1 'r/7 S'r/3~'r/ lN3Wd0731130-1S0d 9 3~nf)l.:1 -~U ( , ;' \ h o , ••• ,. •• ,t •• t" .. \ \ ------.. .. .. .. .. .,. .. . .. .. • • • .. .. .. .. .. . • • to .. .. .. .. .. .. .. .. .. .. .. .. .. • .. o • • • I C. PERFORMANCE STANDARDS The Project is required to meet Level I Flow Control and Basic Water Quality requirements. Level 1 Flow Control standard is to restrict the 2 and 10 year developed flows to their pre- developed rates. The flow control facilities will be designed to meet Level 2 Flow Control requirements due to downstream flooding concerns. The Level 2 Flow Control standard is to restrict the 2 through 50 year developed flows to match their predeveloped rates. © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report 21 LaFortuna TO\lffihouses King County, Washington D. FLOW CONTROL SYSTEM The Project will utilize two combined detention and water quality vaults meeting Level 2 Flow Control requirements. The King County KCRTS software is used to size the detention facility. The calculations account for the proposed improvements for the La Fortuna Townhouses. 1) NORTH CATCHMENT KCRTS LEVEL 2 METHODOLOGY PRE-DEVELOPED PEAKS Flow Frequency Analysis Time Series File:predev-north.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--------Flow Frequency Analysis------- Flow Rate Rank Time of Peak --Peaks -Rank Return Prob (CFS) (CFS) Period 0.076 2 2/09/01 18;00 0.129 1 100.00 0.990 0.028 7 1/05/02 16;00 0.076 2 25.00 0.960 0.068 3 2/28/03 3;00 0.068 3 10.00 0.900 0.007 8 3/24/04 19:00 0.064 4 5.00 0.800 0.038 6 1/05/05 8;00 0.062 5 3.00 0.667 0.064 4 1/18/06 16;00 0.038 6 2.00 0.500 0.062 5 11/24/06 4;00 0.028 7 1. 30 0.231 0.129 1 1/09/08 6;00 0.007 8 1.10 0.091 Computed Peaks 0.111 50.00 0.980 DEVELOPED PEAKS Flow Frequency Analysis Time Series File;dev-north.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--- Flow Rate Rank Time of (CFS) 0.220 6 2/09/01 0.185 8 1/05/02 0.262 3 2/27/03 0.207 7 8/26/04 0.248 4 10/28/04 0.234 5 1/18/06 0.301 2 10/26/06 0.437 1 1/09/08 Computed Peaks © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report Peak 2;00 16:00 7;00 2;00 16;00 16;00 0;00 6:00 -----Flow Frequency Analysis------- --Peaks Rank (CFS) 0.437 1 0.301 2 0.262 3 0.248 4 0.234 5 0.220 6 0.207 7 0.185 8 0.392 22 Return Prob Period 100.00 25.00 10.00 5.00 3.00 2.00 1. 30 1.10 50.00 0.990 0.960 0.900 0.800 0.667 0.500 0.231 0.091 0.980 LaFortuna Townhouses King County, Washington KCRTS LEVEL 2 METHODOLOGY RETENTION/DETENTION FACILITY Type of Facility: Facility Length: Facility Width: Facility Area: Effective Storage Depth: Stage 0 Elevation: Storage Volume: Riser Head: Riser Diameter: Number of orifices: Orifice # 1 2 3 Height (ft) 0.00 2.10 2.75 Top Notch Weir: Outflow Rating Curve: Detention Vault 55.75 ft 56.00 ft 3122. sq. ft 4.00 ft 381.40 ft 12488. cu. ft 4.00 ft 12 .00 inches 3 Full Head Diameter Discharge (in) (CFS) 0.67 0.024 0.90 0.030 0.67 0.014 None None Pipe Diameter (in) 4.0 4.0 Stage Elevation Storage Discharge Percolation (ft) (ft) (cu. ft) (ac-ft) (cfs I (cfs) 0.00 381.40 O. 0.000 0.000 0.00 0.01 381.41 3l. 0.001 0.001 0.00 0.02 381.42 62. 0.001 0.002 0.00 0.03 381. 43 94. 0.002 0.002 0.00 0.04 381. 44 125. 0.003 0.002 0.00 0.05 381.45 156. 0.004 0.003 0.00 0.06 381. 46 187. 0.004 0.003 0.00 0.16 381.56 500. 0.011 0.005 0.00 0.26 381.66 812. 0.019 0.006 0.00 0.36 381.76 1124. 0.026 0.007 0.00 0.46 381.86 1436. 0.033 0.008 0.00 0.56 381.96 1748. 0.040 0.009 0.00 0.66 382.06 206l. 0.047 0.010 0.00 0.76 382.16 2373. 0.054 0.011 0.00 0.86 382.26 2685. 0.062 0.011 0.00 0.96 382.36 2997. 0.069 0.012 0.00 1. 06 382.46 3309. 0.076 0.013 0.00 1.16 382.56 3622. 0.083 0.013 0.00 1. 26 382.66 3934. 0.090 0.014 0.00 1. 36 382.76 4246. 0.097 0.014 0.00 1. 46 382.86 4558. 0.105 0.015 0.00 1. 56 382.96 4870. 0.112 0.015 0.00 1. 66 383.06 5183. 0.119 0.016 0.00 1.76 383.16 5495. 0.126 0.016 0.00 1. 86 383.26 5807. 0.133 0.017 0.00 1. 96 383.36 6119. 0.140 0.017 0.00 © 2003 D. R. STRONG Consulting Engineers Inc 23 LaFortuna TO\iVTlhouses Technical Information Report King County, Washington 2.06 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.28 2.38 2.48 2.58 2.68 2.75 2.76 2.77 2.78 2.79 2.80 2.81 2.91 3.01 3.11 3.21 3.31 3.41 3.51 3.61 3.71 3.81 3.91 4.00 4.10 4.20 4.30 4.40 4.50 4.60 4.70 4.80 4.90 5.00 5.10 5.20 5.30 5.40 5.50 5.60 5.70 5.80 5.90 6.00 383.46 383.50 383.51 383.52 383.53 383.54 383.55 383.56 383.57 383.58 383.68 383.78 383.88 383.98 384.08 384.15 384.16 384.17 384.18 384.19 384.20 384.21 384.31 384.41 384.51 384.61 384.71 384.81 384.91 385.01 385.11 385.21 385.31 385.40 385.50 385.60 385.70 385.80 385.90 386.00 386.10 386.20 386.30 386.40 386.50 386.60 386.70 386.80 386.90 387.00 387.10 387.20 387.30 387.40 © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 6431. 6556. 6587. 6619. 6650. 6681. 6712. 6744. 6775. 6806. 7118. 7430. 7743. 8055. 8367. 8586. 8617. 8648. 8679. 8710. 8742. 8773. 9085. 9397. 9709. 10022. 10334. 10646. 10958. 11270. 11583. 11895. 12207. 12488. 12800. 13112. 13425. 13737. 14049. 14361. l4673. 14986. 15298. 15610. 15922. 16234. 16547. 16859. 17171. 17483. 17795. 18108. 18420. 18732. 0.148 0.151 0.151 0.152 0.153 0.153 0.154 0.155 0.156 0.156 0.163 0.171 0.178 0.185 0.192 0.197 0.198 0.199 0.199 0.200 0.201 0.201 0.209 0.216 0.223 0.230 0.237 0.244 0.252 0.259 0.266 0.273 0.280 0.287 0.294 0.301 0.308 0.315 0.323 0.330 0.337 0.344 0.351 0.358 0.366 0.373 0.380 0.387 0.394 0.401 0.409 0.416 0.423 0.430 24 0.017 0.018 0.018 0.018 0.019 0.020 0.022 0.023 0.024 0.024 0.028 0.030 0.033 0.035 0.037 0.038 0.038 0.039 0.041 0.041 0.041 0.042 0.045 0.048 0.051 0.053 0.055 0.057 0.059 0.061 0.063 0.065 0.067 0.068 0.378 0.943 1. 670 2.470 2.750 3.010 3.240 3.460 3.670 3.860 4.050 4.230 4.400 4.560 4.720 4.870 5.020 5.170 5.310 5.440 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 LaFortuna Townhouses King County, Washington Hyd Inflow Outflow Peak Target Calc Stage Elev 1 0.44 ******* 0.31 4.08 385.48 2 0.22 0.08 0.08 4.00 385.40 3 0.22 ******* 0.06 3.62 385.02 4 0.26 ******* 0.05 3.16 384.56 5 0.23 ******* 0.05 3.07 384.47 6 0.14 ******* 0.03 2.38 383.78 7 0.18 ******* 0.02 2.10 383.50 8 0.21 ******* 0.02 1. 77 383.17 Route Time Series through Facility Inflow Time Series File:dev-north.tsf Outflow Time Series File:rdout-north Inflow/Outflow Analysis Peak Inflow Discharge: 0.437 CFS at Peak Outflow Discharge: 0.314 CFS at Peak Reservoir Stage: 4.08 Ft Peak Reservoir Elev: 385.48 Ft Peak Reservoir Storage: 12736. Cu-Ft 0.292 Ac-Ft Storage (Cu-Ft) (Ac-Ft) 12736. 0.292 12498. 0.287 11291. 0.259 9857. 0.226 9584. 0.220 7438. 0.171 6553. 0.150 5529. 0.127 6:00 on Jan 9 in 9:00 on Jan 9 in Flow Duration from Time Series File:rdout-north.tsf Cutoff Count Frequency CDF Exceedence_probability CFS % % % 0.001 33624 54.834 54.834 45.166 0.452E+00 0.004 6270 10.225 65.059 34.941 0.349E+00 0.006 6001 9.786 74.845 25.155 0.252E+00 0.008 5445 8.880 83.725 16.275 0.163E+00 0.010 3584 5.845 89.569 10.431 0.104E+00 0.012 2495 4.069 93.638 6.362 0.636E-01 0.015 1808 2.948 96.587 3.413 0.341E-01 0.017 1049 1.711 98.297 1. 703 0.170E-01 0.019 561 0.915 99.212 0.788 0.788E-02 0.021 28 0.046 99.258 0.742 0.742E-02 0.024 26 0.042 99.300 0.700 0.700E-02 0.026 72 0.117 99.418 0.582 0.582E-02 0.028 56 0.091 99.509 0.491 o .491E-02 0.030 83 0.135 99.644 0.356 0.356E-02 0.033 24 0.039 99.684 0.316 0.316E-02 0.035 20 0.033 99.716 0.284 0.284E-02 0.037 25 0.041 99.757 0.243 0.243E-02 0.039 28 0.046 99.803 0.197 0.197E-02 0.041 8 0.013 99.816 0.184 0.184E-02 0.044 18 0.029 99.845 0.155 0.155E-02 0.046 11 0.018 99.863 0.137 0.137E-02 0.048 11 0.018 99.881 0.119 0.119E-02 0.050 11 0.018 99.899 0.101 0.101E-02 0.053 13 0.021 99.920 0.080 0.799E-03 0.055 12 0.020 99.940 0.060 0.603E-03 © 2003 D. R. STRONG Consulting Engineers Inc 25 Technical Information Report Year 8 Year 8 LaFortuna Tovmhouses King County, Washington 0.OS7 9 O.OlS 99.9S4 0.046 0.4S7E-03 0.OS9 6 0.010 99.964 0.036 0.3S9E-03 0.062 8 0.013 99.977 0.023 0.228E-03 0.064 3 O.OOS 99.982 0.018 0.179E-03 0.066 4 0.007 99.989 0.011 0.1l4E-03 0.068 6 0.010 99.998 0.002 0.163E-04 0.070 0 0.000 99.998 0.002 0.163E-04 0.073 0 0.000 99.998 0.002 0.163E-04 0.07S 0 0.000 99.998 0.002 0.163E-04 0.077 0 0.000 99.998 0.002 0.163E-04 0.079 0 0.000 99.998 0.002 0.163E-04 Duration Comparison Anaylsis Base File: predev-north.tsf New File: rdout-north.tsf Cutoff Units: Discharge in CFS -----Fraction of Time--------------Check of Cutoff Base New %Change Probability Base 0.020 0.S2E-02 0.76E-02 -7.2 I 0.82E-02 0.020 0.024 0.60E-02 0.66E-02 10.0 I 0.60E-02 0.024 0.029 0.46E-02 0.4SE-02 -1. S I 0.46E-02 0.029 0.033 0.3SE-02 0.31E-02 -9.9 I 0.3SE-02 0.033 0.037 0.27E-02 0.23E-02 -14.6 I 0.27E-02 0.037 0.042 0.20E-02 0.lBE-02 -S.3 I 0.20E-02 0.042 0.046 0.14E-02 0.14E-02 -4.6 I 0.14E-02 0.046 O.OSO 0.99E-03 0.10E-02 1.6 I 0.99E-03 O.OSO 0.055 0.65E-03 0.60E-03 -7.5 I 0.6SE-03 0.055 0.059 0.41E-03 0.36E-03 -12.0 I 0.41E-03 0.059 0.063 0.21E-03 0.18E-03 -lS.4 I 0.21E-03 0.063 0.068 0.lSE-03 0.33E-04 -77.S I 0.lSE-03 0.06S 0.072 0.6SE-04 0.16E-04 -7S.0 I 0.6SE-04 0.072 Maximum positive excursion ~ 0.002 cfs ( 9.4%) occurring at 0.022 cfs on the Base Data:predev-north.tsf and at 0.024 cfs on the New Data:rdout-north.tsf Maximum negative excursion = 0.002 cfs ( -9.2%) occurring at 0.020 cfs on the Base Data:predev-north.tsf and at O.OlS cfs on the New Data:rdout-north.tsf © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 26 Tolerance------- New %Change O.OlS -S.6 0.025 4.7 0.029 -0.6 0.031 -7.4 0.036 -4. S 0.040 -4.2 0.045 -2.1 0.051 O.S 0.054 -0.7 0.05S -1. 9 0.062 -2.6 0.06S -4.2 0.067 -6.6 LaFortuna TO\'mhouses King County. Washington ril '~. , , ~I 0 • 0 R • ~ 0 0 '" 0 0 fiJ "-~ ~ ~ ~ 0 m 0 000 .c u '" is ~ 0 0 N 0 0 00 <; 0 0 0 0 10 © 2003 D, R. STRONG Consulting Engineers Inc Technicallnfonnation Report "\. 10 -3 "! \. , ~ " Probability Exceedence 27 10 ·1 r ~. u: " •. 1 10 LaFortuna Townhouses King County, Washington FIGURE 7 CONTROL STRUCTURE SKETCH -NORTH CATCHMENT © 2003 D, R. STRONG Consulting Engineers Inc Technical Information Report 28 LaFortuna Townhouses King County, Washington REMOVABLE WATERTIGHT COUPLING OR FLANGE r-.., t------'l~2" MIN 6" MAX.f t 12"MIN. PLATE WELDED TO ELBOW WITIH 0.67"111 ORIFICE UPPER ELBOW RESTRICTOR REMOVABLE WATERTIGHT COUPLING OR FLANGE +---'1<-2" MIN 12"MIN. PLATE WELDED TO ELBOW WITIH 0.90"111 ORIFICE LOWER ELBOW RESTRICTOR UPPER ELBOW-RESTRICTOR IE = 384.15'----___ {f'l--,----MAX. OESIGN W.S. = 365.40' SHEAR GATE W! CONTROL ROD FOR CLEANOUT DRAIN (ROD BENT AS REQ'D FOR VERTICAL ALIGNMENT W! COVER) SEE KCRS DWG. 2-026 ------, PIPE SUPPORTS SEE NOTE 5 LOWER ELBOW-RESTRICTOR IE -383.50' 1.5" DIA. MIN FROP-T 12"111 OUTLET PIPE SEE NOTES 1 & 5 INVERT = 381.40 PER PLANS l' SECTION OF PIPE ATIACHED BY GASKETED BAND TO ALLOW REMOVAL RESTRICTOR PLATE W! 0.67"111 ORIFICE SMOOTH EDGE COPYRIGHT @ 2002, D.R. STRONG CONSULTING ENG .. INC. FIGURE 7 CONTROL STRUCTURE SKETCH - NORTH 10604 NE 38th PLACE, SUITE 101 KIRKLANO, WA 98033 (425) 827-3063 1-800-962-1402 FAX NO: (425) 827-2423 CATCHMENT ENGINEERS • PLANNERS • SURVEYORS FIGURES DETENTION FACILITY PLAN -NORTH CATCHMENT © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report 29 LaFortuna Townhouses King County, Washington ~ '---.1 I 2]1 ,cr I 00 ""/ TA. 11+55.16 11.63R 1101-:1:366.96 "I ... ... w\ , '" '" '" "'\' I I ... '" /J,~ '" '" ... FIGURE 8 DETENTION FACILITY PLAN - NORTH CATCHMENT t Q :r: 0 COPYRIGHT © 2002, D.R. STRONG CONSULTING ENG., INC. 10604 NE 38th PLACE. SUITE 101 KIRKLAND. WA 98033 ENGINEERS • PLANNERS • SURVEYORS (425) 827-3063 1-800-962-1402 fAX NO: (425) 827-2423 FIGURE 9 DETENTION FACILITY SECTION -NORTH CATCHMENT © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report JO LaFortuna TO'WDhouses King County, Washington ACCESS RISER (TYP.) { --.-~ I·.· ·.n .11 t· .. ," '1 I VARIES (SEE SPOT ELEVATIONS) . 'DET. DESIGN WS = -~ 27.92' . 27.92' : r85 . 4D I f .' W.O. DESIGN WS =.:1" _ . ,381.40 J'-. ;. CENTIER WALL FOR WEST HALF OF VAULT , ----L-: .~~.~:~~,,:~;~\~~~{r;~~".:~:£;~ ~ :~~~~~;;~~f{Z~:~?:~:?:~::t..~ .. - 5% (MIN) SLOPE AVERAGE l' SEDIMENT STORAGE RIM=VARIES FRAME, GRATIE AND LOCKINGr---." COVER MARKED "DRAIN" " " I, (TYP.) 12"" OUTLET t' LADDER (TYP.) .. , ACCESS RISER (TYP.) • • DET. DESIGN wsl= 385.9 4.5" r---DETIENTION • FIRST CELL VOL. 6,291 CU.-FT. y " I' 1 REMOVE ABLE BAFFLE CEIUNG WAUL ' •. i----+--28' ----1 WATIER QUAUTY 2' MIN. ' SECOND CELL VOL. 6,291 CU. -FT. TROWEL FINISH (FIRST CELL) (TYP.) .. 1 .. :->:;"~:~:: -:-~~>:~ ~ ..... : ;: .. :-:". -); ~ . .':~;,,·;.·:-.. h .. ~:~', ~':''''''I' ~'f' ".y •• ~. 2% LONGITUDINAL SLOPE ALONG V-SHAPED BOnOM ~ 5% MIN. SLOPE FROM V-SHAPED BOnOM TO EDGE OF WALL AVERAGE SEDIMENT STORAGE l' MIN (FIRST CELL) ___ ...J RIM=VARIES FRAME, GRA TIE AND LOCKING , COVER MARKED "DRAIN" (TYP.) I> ACCESS RISER (TYP.) ~ r---DETlENTlON .".. :- SECONO CELL VOL. 6,291 CU.-FT. y I y 1 DET. 1}1:.~IGN ~I= .)tl:>.40( I~ . I ) '. 4.5" j 1 .1 REMOVEABLE BAFFLE " 12"" OUTLET ~:=====+~-4_1---.!~W~.~O.~D5ES~IG~N~WS~:=~3~8:;;1.40 PIPE IE=381.4O\' ~. 2' .... ~~~ FROP PER DETlENTlON DESIGN, SEE DETAIL ~ LADDER (TYP.) 0.5% LONGITUDINAL SLOPE ALONG .. V-SHAPED BOnOM ~ • TFLOOR TO ) ~III CCEIUNG WALL ~ 1 • WA TIER QUALITY I 2' MIN SECOND CELL VOl.; . 6,291 CU.-FT . • SECTION B-B 28' .... ____ ._I~ 5% MIN. SLOPE FROM V-SHAPED BOnOM TO EDGE OF WALL SECTION C-C 12"" INLET PIPE LADDER I 1 . .•.• . ' .•. '/ (TYP.) -ti'\= ::;::;: U '. ',; ............... '. " ... ,' .' ftl--r A ACCESS MANHOLE 1'.,1.-00 (TYP.) ---VI C REMOVABLE BAFFLE \ 12"" VENTILATION PORT (TYP.) 12"" OUTLET PIPE 28.0' , l- ~ .. C?NS~E.TIE. ~A.:~, ... kk1?W"Zvf 56.5' B '--"Y' -SHAPED BOnOM .' -.. I B ty.··,·_b ...... : . " -,," -..... : ..... . . . . ... __ ,. .." "'r--r-_ so._ •• r. • ..... " . -.,,- A PLAN VIEW ~ -I u.. ~ 0 ~~ .3 J::: kI . (..) ~ ~I tJ ~C ~ ~ ;:t a. III ~~ 81 -0 I, 0) ;::!" ~I III (j I I-I..u N Z [l::~~ 0 '" ::5 <: "'1-" ~~~ ~ ~ G:: C5 Cl III J:::~ § ~ lJ;15 I..u~ ...., Cl -J '" ~ z ~ :;: () <{ '" '" I Cl () 2) SOUTH CATCHMENT KCRTS LEVEL 2 METHODOLOGY PRE-DEVELOPED PEAKS Flow Frequency Analysis Time Series File:predev-south.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--------Flow Frequency Analysis------- Flow Rate Rank Time of Peak --Peaks -Rank Return Prob (CFS) (CFS) Period 0.099 2 2/09/01 18:00 0.166 1 100.00 0.990 0.037 7 1/05/02 16:00 0.099 2 25.00 0.960 0.092 3 2/28/03 3:00 0.092 3 10.00 0.900 0.010 8 3/24/04 19:00 0.081 4 5.00 0.800 0.049 6 1/05/05 8:00 0.078 5 3.00 0.667 0.081 4 1/18/06 16:00 0.049 6 2.00 0.500 0.078 5 11/24/06 4:00 0.037 7 1.30 0.231 0.166 1 1/09/08 6:00 0.010 8 1.10 0.091 Computed Peaks 0.144 50.00 0.980 DEVELOPED PEAKS Flow Frequency Analysis Time Series File:dev-south.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--- Flow Rate Rank Time of (CFS) 0.271 6 2/09/01 0.225 8 1/05/02 0.324 3 2/27/03 0.247 7 8/26/04 0.297 4 10/28/04 0.288 5 1/18/06 0.360 2 10/26/06 0.544 1 1/09/08 Computed Peaks © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report Peak 2:00 16:00 7:00 2:00 16:00 16:00 0:00 6:00 -----Flow Frequency Analysis------- --Peaks Rank (CFS) 0.544 1 0.360 2 0.324 3 0.297 4 0.288 5 0.271 6 0.247 7 0.225 8 0.482 31 Return Prob Period 100.00 25.00 10.00 5.00 3.00 2.00 1.30 1.10 50.00 0.990 0.960 0.900 0.800 0.667 0.500 0.231 0.091 0.980 LaFortuna Townhouses King County, Washington KCRTS LEVEL 2 METHODOLOGY RETENTION/DETENTION FACILITY Type of Facility, Detention Vault Facility Length, 61.00 ft Facility Width, 61.00 ft Facility Area: 3721. sq. ft Effective Storage Depth, 4.00 ft Stage 0 Elevation: 386.85 ft Storage Volume, 14884. cu. ft Riser Head, 4.00 ft Riser Diameter: 12.00 inches Number of orifices: 3 Full Head Pipe Orifice # Height Diameter Discharge Diameter (ft) (in) (CFS) (in) 1 0.00 0.77 0.032 2 2.10 0.95 0.034 4.0 3 2.70 0.87 0.023 4.0 Top Notch Weir, None Outflow Rating Curve, None Stage Elevation Storage Discharge Percolation 1ft) 1ft) leu. ft) lac-ft) Icfs) Icfs) 0.00 386.85 O. 0.000 0.000 0.00 0.01 386.86 37. 0.001 0.001 0.00 0.02 386.87 74. 0.002 0.002 0.00 0.03 386.88 112. 0.003 0.003 0.00 0.04 386.89 149. 0.003 0.003 0.00 0.05 386.90 186. 0.004 0.004 0.00 0.06 386.91 223. 0.005 0.004 0.00 0.16 387.01 595. 0.014 0.007 0.00 0.26 387.11 968. 0.022 0.008 0.00 0.36 387.21 1340. 0.031 0.010 0.00 0.46 387.31 1712. 0.039 0.011 0.00 0.56 387.41 2084. 0.048 0.012 0.00 0.66 387.51 2456. 0.056 0.013 0.00 0.76 387.61 2828. 0.065 0.014 0.00 0.86 387.71 3200. 0.073 0.015 0.00 0.96 387.81 3572 . 0.082 0.016 0.00 1. 06 387.91 3944. 0.091 0.017 0.00 1.16 388.01 4316. 0.099 0.017 0.00 1. 26 388.11 4689. 0.108 0.018 0.00 1. 36 388.21 5061. 0.116 0.019 0.00 1.46 388.31 5433. 0.125 0.019 0.00 1. 56 388.41 5805. 0.133 0.020 0.00 1. 66 388.51 6177. 0.142 0.021 0.00 1. 76 388.61 6549. 0.150 0.021 0.00 1. 86 388.71 6921. 0.159 0.022 0.00 1.96 388.81 7293. 0.167 0.023 0.00 © 2003 O. R. STRONG Consulling Engineers Inc 32 LaFortuna Townhouses Technical lnfonnation Report King County, Washington 2.06 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.29 2.39 2.49 2.59 2.69 2.70 2.71 2.72 2.73 2.74 2.75 2.76 2.77 2.87 2.97 3.07 3.17 3.27 3.37 3.47 3.57 3.67 3.77 3.87 3.97 4.00 4.10 4.20 4.30 4.40 4.50 4.60 4.70 4.80 4.90 5.00 5.10 5.20 5.30 5.40 5.50 5.60 5.70 388.91 388.95 388.96 388.97 388.98 388.99 389.00 389.01 389.02 389.03 389.04 389.14 389.24 389.34 389.44 389.54 389.55 389.56 389.57 389.58 389.59 389.60 389.61 389.62 389.72 389.82 389.92 390.02 390.12 390.22 390.32 390.42 390.52 390.62 390.72 390.82 390.85 390.95 391. 05 391.15 391.25 391.35 391.45 391.55 391.65 391.75 391.85 391.95 392.05 392.15 392.25 392.35 392.45 392.55 © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 7665. 7814 . 7851. 7889. 7926. 7963. 8000. 8037. 8075. 8112. 8149. 8521. 8893. 9265. 9637. 10009. 10047. 10084. 10121. 10158. 10196 . 10233. 10270. 10307. 10679. 11051. 11423. 11796. 12168. 12540. 12912. 13284. 13656. 14028. 14400. 14 772. 14884. 15256. 15628. 16000. 16372. 16745. 17117. 17489. 17861. 18233. 18605. 18977. 19349. 19721. 20093. 20466. 20838. 21210. 0.176 0.179 0.180 0.181 0.182 0.183 0.184 0.185 0.185 0.186 0.187 0.196 0.204 0.213 0.221 0.230 0.231 0.231 0.232 0.233 0.234 0.235 0.236 0.237 0.245 0.254 0.262 0.271 0.279 0.288 0.296 0.305 0.314 0.322 0.331 0.339 0.342 0.350 0.359 0.367 0.376 0.384 0.393 0.401 0.410 0.419 0.427 0.436 0.444 0.453 0.461 0.470 0.478 0.487 33 0.023 0.023 0.024 0.024 0.025 0.026 0.028 0.030 0.030 0.031 0.031 0.035 0.038 0.041 0.043 0.045 0.045 0.046 0.046 0.047 0.049 0.051 0.052 0.052 0.057 0.061 0.065 0.068 0.071 0.074 0.077 0.079 0.082 0.084 0.086 0.089 0.089 0.399 0.964 1.700 2.490 2.770 3.030 3.270 3.490 3.690 3.890 4.080 4.250 4.430 4.590 4.750 4.900 5.050 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 LaFortuna Tovmhouses King County, Washington It 5.80 392.65 21582. 0.495 5.90 392.75 21954. 0.504 6.00 392.85 22326. 0.513 Hyd Inflow Outflow Peak Target Calc Stage Elev 1 0.54 ******* 0.39 4.10 390.95 2 0.27 0.10 0.11 4.01 390.86 3 0.27 ******* 0.08 3.60 390.45 4 0.32 ******* 0.07 3.15 390.00 5 0.29 ******* 0.07 3.09 389.94 6 0.17 ******* 0.04 2.39 389.24 7 0.22 ******* 0.02 2.06 388.91 8 0.25 ******* 0.02 1. 69 388.54 Route Time Series through Facility Inflow Time Series File:dev-south.tsf Outflow Time Series File:rdout-south Inflow/Outflow Analysis Peak Inflow Discharge: 0.543 CFS at Peak Outflow Discharge: 0.395 CFS at Peak Reservoir Stage: 4.10 Ft Peak Reservoir Elev: 390.95 Ft Peak Reservoir Storage: 15251. Cu-Ft 0.350 Ac-Ft 5.200 0.00 5.340 0.00 5.470 0.00 Storage (Cu-Ft) (Ac-Ft) 15251. 0.350 14907. 0.342 13391. 0.307 11739. 0.269 11485. 0.264 8902. 0.204 7665. 0.176 6288. 0.144 6:00 on Jan 9 in 9:00 on Jan 9 in Flow Duration from Time Series File:rdout-Bouth.tsf Cutoff Count Frequency CDF Exceedence_Probability CFS % % % 0.002 35698 58.216 58.216 41. 784 0.418E+00 0.005 5595 9.124 67.340 32.660 0.327E+00 0.008 6035 9.842 77.182 22.818 0.228E+00 0.011 4662 7.603 84.785 15.215 0.152E+00 0.014 4038 6.585 91. 370 8.630 0.863E-01 0.017 1844 3.007 94.377 5.623 0.562E-01 0.020 1799 2.934 97.311 2.689 0.269E-01 0.023 879 1. 433 98.744 1. 256 0.126E-01 0.026 300 0.489 99.234 0.766 0.766E-02 0.029 17 0.028 99.261 0.739 0.739E-02 0.032 75 0.122 99.384 0.616 0.616E-02 0.035 77 0.126 99.509 0.491 0.491E-02 0.038 83 0.135 99.644 0.356 0.356E-02 0.041 30 0.049 99.693 0.307 0.307E-02 0.044 31 0.051 99.744 0.256 0.256E-02 0.047 23 0.038 99.781 0.219 0.219E-02 0.050 4 0.007 99.788 0.212 0.212E-02 0.053 11 0.018 99.806 0.194 0.194E-02 0.056 18 0.029 99.835 0.165 0.165E-02 0.059 16 0.026 99.861 0.139 0.139E-02 0.062 11 0.018 99.879 0.121 0.121E-02 0.065 11 0.018 99.897 0.103 0.103E-02 © 2003 D. R. STRONG Consulting Engineers Inc 34 Technicallnforrnation Report Year 8 Year 8 LaFortuna Townhouses King County, Washington 0.068 14 0.023 99.920 0.080 0.799E-03 0.071 12 0.020 99.940 0.060 0.603E-03 0.074 7 0.011 99.951 0.049 0.489E-03 0.078 8 0.013 99.964 0.036 0.359E-03 0.081 8 0.013 99.977 0.023 0.228E-03 0.084 3 0.005 99.982 0.018 0.179E-03 0.087 5 0.008 99.990 0.010 0.978E-04 0.090 5 0.008 99.998 0.002 0.163E-04 0.093 0 0.000 99.998 0.002 0.163E-04 0.096 0 0.000 99.998 0.002 0.163E-04 0.099 0 0.000 99.998 0.002 0.163E-04 0.102 0 0.000 99.998 0.002 0.163E-04 0.105 0 0.000 99.998 0.002 0.163E-04 0.108 0 0.000 99.998 0.002 0.163E-04 Duration Comparison Anaylsis Base File, predev-south.tsf New File: rdout-south.tsf Cutoff Units: Discharge in CFS -----Fraction of Time--------------Check of Cutoff Base New %Change Probability Base 0.026 0.81E-02 0.77E-02 -5.2 I 0.BIE-02 0.026 0.032 0.58E-02 0.64E-02 9.8 I 0.58E-02 0.032 0.037 0.46E-02 0.38E-02 -15.7 I 0.46E-02 0.037 0.043 0.33E-02 0.28E-02 -15.3 I 0.33E-02 0.043 0.049 0.25E-02 0.21E-02 -14.4 I 0.25E-02 0.049 0.054 0.IBE-02 0.18E-02 -1. B I 0.18E-02 0.054 0.060 o .13E-02 0.13E-02 2.5 I 0.13E-02 0.060 0.066 0.93E-03 0.98E-03 5.3 I 0.93E-03 0.066 0.072 0.65E-03 0.60E-03 -7.5 I 0.65E-03 0.072 0.077 0.39E-03 0.39E-03 0.0 I 0.39E-03 0.077 0.083 0.18E-03 0.18E-03 0.0 I 0.18E-03 0.083 0.089 0.13E-03 0.49E-04 -62.5 I o .13E-03 0.089 0.094 0.49E-04 0.16E-04 -66.7 I 0.49E-04 0.094 Maximum positive excursion = 0.003 cfs ( 9.8%) occurring at 0.028 cfs on the Base Data,predev-south.tsf and at 0.031 cfs on the New Data,rdout-south.tsf Maximum negative excursion = 0.005 cfs (-10.8%) occurring at 0.050 cfs on the Base Data:predev-sQuth.tsf and at 0.045 cfs on the New Data,rdout-south.tsf © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 35 Tolerance------- New %Change 0.024 -5.3 0.033 4.1 0.036 -4.1 0.040 -7.5 0.045 -8.4 0.054 -1. 3 0.061 1.2 0.067 1.6 0.071 -1. 0 0.077 0.0 0.084 0.9 0.085 -3.8 0.089 -5.9 LaFortuna Townhouses King County, Washington ~ 0 • R ----------~-., . ~ 0 0; (iJ U- SC ~ ~ E' '" " 0 .c <> '" is 000 i!\ 0 o '" 10 -5 © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 10·J Probabilitv Exceedence 36 10 • LaFortuna Townhouses King County, Washington FIGURE 10 CONTROL STRUCTURE SKETCH -SOUTH CATCHMENT © 2003 O. R. STRONG Consulting Engineers Inc Technical Information Report 37 LaFortuna Townhouses King County, Washington REMOVABLE WATERTIGHT COUPLING OR FLANGE r-., t-----'ir--2" MIN 6" MAX. t 12"MIN. PLATE WELDED TO ELBOW WITH O.87"~ ORIFICE UPPER ELBOW RESTRICTOR REMOVABLE WATERTIGHT COUPLING OR FLANGE t--4-2" MIN 12"MIN. PLATE WELDED TO ELBOW WITH 0.95"11 ORIFICE LOWER ELBOW RESTRICTOR UPPER ELBOW-RESTRICTOR IE = .389.55' ----..... 12"~ RISER SHEAR GATE WI CONTROL ROD FOR CLEANOUT DRAIN (ROD BENT AS REQ'D FOR VERTICAL ALIGNMENT WI COVER) SEE KCRS DWG. 2-026 r~---,---MAX. DESIGN W.S. = .390.85' PIPE SUPPORTS SEE NOTE 5 LOWER ELBOW-RESTRICTOR IE = .388.95' 1.5" DIA. IN FROP-T 12"_ OUTLET PIPE SEE NOTES 1 & 5 INVERT = .386.85 PER PLANS ,. SECTION OF PIPE ATTACHED BY GASKETED BAND TO ALLOW REMOVAL RESTRICTOR PLATE WI 0.77"'" ORIFICE SMOOTH EDGE COPYRIGHT © 2002, D.R. STRONG CONSULTING ENG .. INC. FIGURE 10 CONTROL STRUCTURE SKETCH - SOUTH 10604 NE 38th PLACE, SUITE 101 KIRKLAND, WA 98033 (425) 827-3063 1-800-962-1402 FAX NO: (425) 827-2423 CATCHMENT ENGINEERS • PLANNERS • SURVEYORS FIGURE 11 DETENTION FACILITY PLAN -SOUTH CATCHMENT © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 38 LaFortuna Townhouses King County, Washington 12LF S-23.5:; (;t:1 11'10 STA. 21+62.83 27.17R RIM=±392.67 IE=±387.67 S=59.0:; MUST BE A SINGLE PIPE SEGMENT ~THOUT JOINTS C8 #11 STA. 21+33.25 11.83R RIM=±393.9B IE=±3B8.9B MUST BE A SINGLE PIPE SEGMENT ~THOUT JOINTS -__ / ./ #19 STA. 17+34.51 RIM-±390.43 IE=±385.9B S1'A. 17+67.29 IOO""~'~ RlM-±3B9.31 FIGURE 11 DETENTION FACILITY PLAN - SOUTH CATCHMENT .,iT_ !~PORT (TYP.) 2'_.~CCESS klSERS ADJACENT TO INLETS [ole OUTLET (TYP,) -:-, ----' f 117 =; SOUTH CATCHMENT DETENllON VAULT 39.6'L X'1I5.5'W X (VARIES)~, STA. 21+33.25 11.83L RIM-±393.98 o o -+ N 10' PRIVATE\STOR DRAINAGE EASEMEI \ CB 116 STA. 17+48.61 58.6 RIM=±393.50 IE=±390.50 CB 115 STA. 17+44.93 11.00R RIM=±395.85 COPYRIGHT © 2002, O.R. STRONG CONSULTING ENG., INC. II1RIJ D. R. STRONG Consulting Engineers Inc. 10604 NE 38th PLACE, SUITE 101 KIRKLANO, WA 98033 ENGINEERS • PLANNERS • SURVEYORS (425) 827-3063 1-800-962-1402 FAX NO: (425) 827-2423 FIGURE 12 DETENTION FACILITY SECTION -SOUTH CATCHMENT © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report 39 LaF ortuna Townhouses King County, Washington VARIES (SEE SPOT ELEVATIONS) , _____ ACCESS RISER (3 TOTAL, ONLY F=::::(/ ONE SHOWN FOR CLARITY) I .. .. . '. .' , .. " • ." .' • DO. DESIGN WS -39085 39.6' • W.Q. DESIGN WS = 386.85 • ~ • RIM=VARIES FRAME, GRATE AND LOCKING COVER MARKED "DRAIN" ~n"----I'i (TYP.) ACCESS MANHOLE (3 TOTAL ONLY ONE SECOND CELL VOL N 71DETENTION SHOWN FOR CLARITY)' 10,098 CU.-FT. ~~ __ ~·_,~·~~.~:_~"',';~"~"~':_'~"U· __ ~·~·~,,~··~·_·~·'~··~'·_·~'f~'~.,~··~.~~.~:~.; DET. DESIGN WS -390.85 / '. DETENTION , FIRST CELL VOL .• 4,950 CU.-FT. -~'<~-;:s--.. '- - "-12'~ INLET (r---t-:'-l_ I ~P~IP~E~~_.o~~~_~ IE-384.85 • -l' ~ l' I .. _-,----,. - t LADDER 3' MIN. . ..• = FIRST CELL VOL (TYP.) ---;---if..';L4,950 CU.-FT. .. "- j 4.5' W.Q. DESIGN WS -386.85 • .. _ • 12"~ OUTLET PIPE '. IE=386.85 • Q 2' SECOND CELL VOL 10,098 CU.-FT. T '-<;:'·· -:)., -'FROP PER -" DETENTION -DESIGN, -... SEE -. DETAIL 4' -----: ----REMOVABLE 2' MIN. BAFFLE -.. COPYRIGHT © 2002, D.R. STRONG CONSULTING ENG., INC. FIGURE 11 DETENTION FACILITY SECTION - SOUTH CATCHMENT !IlRIJ D. R. STRONG Consulting Engineers Inc. 106Q.4 NE 38th PLACE. SUITE 101 KIRKLAND. WA 98033 ENGINEERS • PLANNERS • SURVEYORS (425) B27-3063 1-B00-962-1402 FAX NO, (425) B27-2423 E. WATER QUALITY TREATMENT The project will utilize two combined wetvaults meeting Basic Water Quality treatment criteria. The design information for the wetvaults follows. The wetvaults are designed to accommodate proposed improvements for the La Fortuna Townhouses for the north and south catchment areas. 1) NORTH CATCHMENT BASIC WETVAULT ANALYSIS As required per Section 6.4.1.1 1998 King County Surface Water Design Manual Step 1: IdentifY required water quality facility volume factor ("r') f= 3 (basic wetpond volume factor) Step 2: Determine rainfall (R) for the mean annual storm per Fig. 6.4.I.A R= 0.47 in. Step 3: Calculate runoff from the mean annual storm (Vr) for the developed site. V, = (0.9A; + 0.25Atg + O.lOAtf + 0.01A,,) x Rll2 where ... Vr = volume of runoff from mean annual storm (c.f.) A;= area of impervious surface (s.f.) A tg = area of till soil covered with grass (s.f.) A,F area of till soil covered with till forest (s.f.) A,,= area of outwash soil covered with grass or forest (s.f.) R= rainfall from mean annual storm (in.) A;= 35,347 s.f. A tg= 11,143 s.f. AtF o s.f. A,,= o s.f. R= 0.47 in. V,= 1,355 c.f. Step 4: Calculate water quality volume (Vb). Vb= fx V, where ... Vb= water quality volume (cf) f= volume factor from Step 1 V, = runoff volume from Step 3 Vb= 4,065 c.f. (minimum wetpool volume required) Step 5: Determine water quality facility dimensions satisfying the design criteria outlined below. Vb= h(AI + A2)/2 where ... Vb= water quality volume (c.f.) h= water quality depth (ft.) © 2003 O. R. STRONG Consulting Engineers Inc Technical Information Report 40 laFortuna TO\.vnhouses King County, Washington A 1= water quality design surface area of wet vault (s.f.) A2= bottom area of water quality facility (s.f.) h= 4 ft. A 1= 3,126s.f. A2= 3,126 s.f. Vb= 12,504 c.f. The proposed facility meets the minimum volumetric criteria for basic water quality. 2) SOUTH CATCHMENT BASIC WETV AULT ANALYSIS As required per Section 6.4.1.1 1998 King County Surface Water Design Manual Step I: Identify required water quality facility volume factor ("r') f= 3 (basic wetpond volume factor) Step 2: Determine rainfall (R) for the mean annual storm per Fig. 6.4.1.A R= 0.47 in. Step 3: Calculate runoff from the mean annual storm (Vr) for the developed site. Vr = (0.9Aj + 0.25Atg + 0.10Atf + 0.01A,) x Rl12 where Vr = volume of runoff from mean annual storm (c.f.) A j = area of impervious surface (s.f.) Atg= area of till soil covered with grass (s.O AtF area of till soil covered with till forest (s.f.) A,= area of outwash soil covered with grass or forest (s.f.) R = rainfall from mean annual storm (in.) Aj= 41,894 s.f. Atg= 18,297 s.f. AtF o s.f. A,= o s.f. R= 0.47 in. V r = 1,656 c.f. Step 4: Calculate water quality volume (Vb). Vb= fx Vr where ... V b= water quality volume (cf) f= volume factor from Step I Vr = runoff volume from Step 3 © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 41 LaFortuna Townhouses King County, Washington V b= 4,968 c.f. (minimum wetpool volume required) Step 5: Determine water quality facility dimensions satisfying the design criteria outlined below. V b= h(A1 + A2)/2 where ... Vb= water quality volume (c.f.) h= water quality depth (ft.) A 1= water quality design surface area of wet vault (s.f.) A 2= bottom area of water quality facility (s.f.) h= 4 ft. A 1= 3,731 s.f. A 2= 3,731 s.f. Vb= 14,924 c.f. Tbe proposed facility meets tbe minimum volumetric criteria for basic water quality. © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 42 LaFortuna Townhouses King County, Washington SECTION V V. CONVEYANCE SYSTEM ANALYSIS AND DESIGN Per Core Requirement No.4, of the KCSWDM, the conveyance system must be analyzed and designed for existing tributary and developed onsite runoff from the proposed project. Pipe systems shall be designed to convey the 25-year design storm. The Rational Method is used to estimate the anticipated developed flows. The backwater analysis was performed using the 1998 KCRTS. A Conveyance system consisting primarily of pipes and catch basins has been designed for the project. Onsite runoff from PGIS will be collected by the multiple catch basins. Pipes are typically twelve-inch diameter LCPE material. A. NORTH CATCHMENT DEVELOPED PEAKS USING IS-MINUTE TIME STEPS Flow Frequency Analysis Time Series File:dev-north-15.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--- Flow Rate Rank Time of (CFS) 0.386 6 8/27/01 0.270 8 9/17/02 0.787 2 12/08/02 0.311 7 8/23/04 0.425 5 10/28/04 0.449 4 10/27/05 0.533 3 10/25/06 1. 09 1 1/09/08 Computed Peaks © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report Peak 18:00 17:45 17:15 14:30 16:00 10:45 22:45 6:30 -----Flow Frequency Analysis------- --Peaks Rank (CFS) 1. 09 1 0.787 2 0.533 3 0.449 4 0.425 5 0.386 6 0.311 7 0.270 8 0.988 43 Return Prob Period 100.00 25.00 10.00 5.00 3.00 2.00 1. 30 1.10 50.00 0.990 0.960 0.900 0.800 0.667 0.500 0.231 0.091 0.980 LaFortuna Townhouses King County, Washington BACKWATER ANALYSIS TABLE -NORTH CATCHMENT . ""'St"ructures' ·············S·uba·s·ins .. & ···· .... · .. ··A···· A Tributaries From ········To···· sf ·············Ac···· CB#8 to Vault CB8 CB7 9 10496 CB#9Run 1343 10 11208 CB7 CBS 12551 CB#6 Run 2185 12 5175 CBS CB4 7360 CB4 CB1 17 4998 CB#3 Run 4535 16 2901 CB1 Vault 4436 Totals; 39841 CB#9to CB#7 CB9 CB7 11 1343 Totals: 1343 CB#6 to CB#5 CB6 CBS 13 2185 Tolals; 2185 CB#3 to CB#1 C83 CB2 15 1794 CB2 CB1 14 2741 Totals: 4535 () 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 0.24 0.03 0.26 0.29 0.05 0.12 0.17 0.11 0.10 0.07 0.10 0.91 0.03 0.03 0.05 0.05 0.04 0.06 0.10 me Cc T, Ac Min. 0.90 6.3 0.90 0.90 0.90 I 6.3 0.90 0.90 0.90 6.3 0.90 I 6.3 0.90 0.90 0.90 6.3 0.90 0.90 6.3 0.90 0.90 6.3 0.90 0.90 6.3 0.90 6.3 0.90 44 iR IR OR LOR subasin ······Cfs·· .. cfs 0.82 2.99 0.65 0.65 0.82 2.99 0.77 1.42 0.82 2.99 0.45 1.88 0.82 2.99 0.31 2.19 0.82 2.99 0.27 2.46 0.82 2.99 0.08 0.08 0.82 2.99 0.13 0.13 0.82 2.99 0.11 0.11 0.82 2.99 0.17 0.17 ......... -......... ~, .... ~ .... . ................... ~ .... 0-d ········Mateiiai···· n Ratio in 0.00 12 LCPE 0.012 1.20 12 LCPE 0.012 0.32 12 LCPE 0.012 0.16 12 LCPE 0.012 0.13 12 LCPE 0.012 0.00 12 LCPE 0.012 0.00 12 LCPE 0.012 0.00 12 LCPE 0.012 1.53 12 LCPE 0.012 LaFortuna Tovmhouses King County, Washington ft 43 166 62 49 5 24 24 24 26 invert invert over-·····0 V in out ftow Full Full elev. Flow Flow ft ft ft ···············cfs···· fps 394.03 390.86 399.03 10.51 13.38 390.86 384.90 395.86 7.33 9.34 384.90 383.66 388.59 5.47 6.97 383.66 382.68 388.62 5.47 6.97 382.68 379.40 387.68 31.35 39.91 391.34 390.86 395.86 5.47 6.97 385.38 384.90 388.59 5.47 6.97 383.68 383.20 386.96 5.47 6.97 383.20 382.68 386.99 5.47 6.97 BACKWATER COMPUTER PROGRAM FOR PIPES Pipe data from file:CB8-VAULT.bwp Surcharge condition at intermediate junctions Tailwater Elevation:J8S.4 feet Discharge Range:O.5 to 4. Step of 0,5 [cfs] Overflow Elevation:399.03 feet Weir:NONE Upstream Velocity:O. feet/sec PIPE NO.1, @ 65.60% OUTLET, 379.40 INLET, 382.68 INTYP, 4 JUNC NO.1, OVERFLOW-EL, 387.68 BEND, 0 DEG DIA/WIDTH, 2.0 Q-RATIO, 0.13 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.50 1. 00 1. 50 2.00 2.50 3.00 3.50 4.00 2.73 2.74 2.76 2.79 2.82 2.87 2.92 2.98 385.41 385.42 385.44 385.47 385.50 385.55 385.60 385.66 * 0.012 0.30 0.09 * 0.012 0.43 0.13 * 0.012 0.52 0.15 * 0.012 0.61 0.18 * 0.012 0.68 0.20 * 0.012 0.75 0.21 * 0.012 0.80 0.23 * 0.012 0.85 0.25 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 2.73 2.72 2.73 2.73 2.74 2.75 2.76 2.77 2.73 2.74 2.76 2.79 2.82 2.87 2.92 2.98 0.09 0.24 0.37 0.49 0.59 0.68 0.78 0.91 PIPE NO.2, 49 LF -12"CP @ 2.00% OUTLET, 382.68 INLET, 383.66 INTYP, 4 JUNC NO.2, OVERFLOW-EL, 388.62 BEND, 90 DEG DIA/WIDTH, 2.0 Q-RATIO, 0.16 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.44 0.88 1. 33 1. 77 2.21 2.65 3.10 3.54 1.77 1. 81 1. 90 2.03 2.19 2.39 2.63 2.90 385.43 385.47 385.56 385.69 385.85 386.05 386.29 386.56 * 0.012 * 0.012 * 0.012 * 0.012 ;. 0.012 * 0.012 * 0.012 * 0.012 0.28 0.40 0.49 0.57 0.64 0.70 0.76 0.81 0.20 2.73 0.28 2.74 0.34 2.76 0.40 2.79 0.45 2.82 0.50 2.87 0.54 2.92 0.59 2.98 2.73 2.74 2.76 2.79 2.82 2.87 2.92 2.98 1. 76 1. 78 1.83 1.91 2.00 2.12 2.26 2.41 1.77 1. 81 1. 90 2.03 2.19 2.39 2.63 2.90 0.37 0.54 0.69 0.84 0.98 1.12 1.26 1. 43 PIPE NO.3, 62 LF -12"CP @ 2.00% OUTLET, 383.66 INLET, 384.90 INTYP, 4 JUNC NO.3, OVERFLOW-EL, 388.59 BEND, 90 DEG DIA/WIDTH, 2.0 Q-RATIO, 0.32 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.38 0.76 1.14 1.53 1.91 0.56 0.64 0.79 0.98 1. 25 385.46 385.54 385.69 385.88 386.15 ... 0.012 * 0.012 * 0.012 * 0.012 * 0.012 © 2003 O. R. STRONG Consulting Engineers Inc Technical Infonnation Report 0.26 0.37 0.46 0.53 0.59 0.18 0.26 0.32 0.37 0.41 45 1. 77 1. 81 1. 90 2.03 2.19 1.77 1. 81 1. 90 2.03 2.19 0.54 0.59 0.71 0.88 1.11 0.56 0.64 0.79 0.98 1. 2S 0.34 0.50 0.63 0.76 0.88 laFortuna Townhouses King County, Washington 2.29 2.67 3.05 1. 57 1. 95 2.40 386.47 386.85 387.30 * 0.012 * 0.012 '* 0.012 0.65 0.46 2.39 0.71 0.50 2.63 0.75 0.54 2.90 2.39 2.63 2.90 1.37 1. 68 2.04 1. 57 1. 95 2.40 1. 00 1.12 1. 24 PIPE NO.4: 166 LF -12 11 CP @ 3.59% OUTLET, 384.90 INLET, 390.86 INTYP, 4 JUNC NO.4, OVERFLOW-EL, 395.86 BEND, 5 DEG DIA!WIDTH, 2.0 Q-RATIO, 1.20 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.29 0.58 0.87 1.16 1. 44 1. 73 2.02 2.31 0.28 0.41 0.52 0.62 0.70 0.79 0.87 0.95 391.14 391.27 391.38 391.48 391. 56 391.65 391.73 391.81 * 0.012 * 0.012 * 0.012 * 0.012 * 0.012 * 0.012 * 0.012 * 0.012 0.23 0.32 0.39 0.46 0.51 0.57 0.61 0.66 0.14 0.20 0.24 0.27 0.31 0.34 0.36 0.39 0.56 0.64 0.79 0.98 1. 25 1. 57 1. 95 2.40 0.56 0.64 0.79 0.98 1. 25 1. 57 1. 95 2.40 0.23 0.32 0.39 0.46 0.51 0.57 0.61 0.66 ***** ***** ***** ****'" ***** ***** ***** ***** 0.28 0.41 0.52 0.62 0.70 0.79 0.87 0.95 PIPE NO.5, @ 7.37% OUTLET, 390.86 INLET, 394.03 INTYP, 4 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.13 0.26 0.39 0.53 0.66 0.79 0.92 1. 05 0.16 0.25 0.32 0.37 0.43 0.48 0.52 0.57 394.19 • 0.012 0.15 394.28 • 0.012 0.22 394.35 • 0.012 0.26 394.40 • 0.012 0.31 394.46 * 0.012 0.34 394.51 * 0.012 0.38 394.55 • 0.012 0.41 394.60 • 0.012 0.44 0.08 o .ll 0.14 0.16 0.17 0.19 0.21 0.22 0.28 0.41 0.52 0.62 0.70 0.79 0.87 0.95 Pipe data from file:CB9-CB7.bwp Surcharge condition at intermediate junctions Tailwater Elevation:391.81 feet Discharge Range: 0.2 to 1.2 Step of 0.2 [cfs] Overflow Elevation:395.86 feet Weir:NONE Upstream Velocity:O. feet/sec 0.28 0.41 0.52 0.62 0.70 0.79 0.87 0.95 0.15 0.22 0.26 0.31 0.34 0.38 0.41 0.44 ***** ***** ***** ***** ***** ***** ***** ***** 0.16 0.25 0.32 0.37 0.43 0.48 0.52 0.57 PIPE NO.1, 24 LF -12"CP @ 2.00% OUTLET, 390.86 INLET, 391.34 INTYP, 4 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ***********************************************************************'******'** 0.20 0.40 0.60 0.80 1. 00 1. 20 0.48 0.49 0.51 0.55 0.58 0.64 391.82 391.83 391.85 391.89 391.92 391.98 * 0.012 '* 0.012 '* 0.012 '* 0.012 * 0.012 * 0.012 © 2003 O. R. STRONG Consulting Engineers Inc Technical Infonnation Report 0.19 0.27 0.33 0.38 0.43 0.47 0.14 0.19 0.23 0.26 0.29 0.32 46 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.47 0.47 0.46 0.44 0.43 0.47 0.48 0.49 0.51 0.55 ***** ***** 0.24 0.35 0.43 0.51 0.58 0.64 LaFortuna Townhouses King County, Washington I Pipe data from file:CB6-CBS.bwp Surcharge condition at intermediate junctions Tailwater Elevation:387.3 feet Discharge Range:D.2 to 1.2 Step of 0.2 [cfs] Overflow Elevation:388.59 feet Weir:NONE Upstream Velocity:D. feet/sec PIPE NO.1. 24 LF -12"CP @ 2.00% OUTLET. 384.90 INLET. 385.38 INTYP. 4 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.20 1. 93 387.31 * 0.012 0.19 0.14 2.40 0.40 1. 93 387.31 * 0.012 0.27 0.19 2.40 0.60 1. 94 387.32 * 0.012 0.33 0.23 2.40 0.80 1. 95 387.33 * 0.012 0.38 0.26 2.40 1. 00 1. 97 387.35 * 0.012 0.43 0.29 2.40 1. 20 1. 99 387.37 * 0.012 0.47 0.32 2.40 Pipe data from file:CB3-CB1.bwp Surcharge condition at intermediate junctions Tailwater Elevation:385.66 feet Discharge Range:O.2 to 1.2 Step of 0.2 [cfs] Overflow ElevatioD:386.96 feet Weir:NONE Upstream Velocity:o. feet/sec 2.40 1.93 1. 93 0.24 2.40 1.92 1. 93 0.35 2.40 1. 93 1. 94 0.43 2.40 1. 93 1. 95 0.51 2.40 1. 94 1.97 0.58 2.40 1. 94 1. 99 0.64 PIPE NO. 1: 26 LF -12"CP @ OVERFLOW-EL. 386.99 2.00% OUTLET. 382.68 INLET. 383.20 INTYP. 4 JUNC NO.1. BEND. 20 DEG DIA/WIDTH. 2.0 Q-RATIO. 1.53 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.20 2.47 385.67 * 0.012 0.19 0.14 2.98 2.98 2.47 2.47 0.24 0.40 2.47 385.67 * 0.012 0.27 0.19 2.98 2.98 2.46 2.47 0.35 0.60 2.48 385.68 • 0.012 0.33 0.23 2.98 2.98 2.47 2.48 0.43 0.80 2.49 385.69 • 0.012 0.38 0.26 2.98 2.98 2.47 2.49 0.51 1.00 2.51 385.71 * 0.012 0.43 0.29 2.98 2.98 2.48 2.51 0.58 1. 20 2.53 385.73 * 0.012 0.47 0.32 2.98 2.98 2.49 2.53 0.64 PIPE NO. 2. 24 LF -12!1CP @ 2.00% OUTLET. 383.20 INLET. 383.68 INTYP. 4 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.08 2.00 385.68 * 0.16 1. 99 385.67 * 0.24 2.00 385.68 * © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report 0.012 0.12 0.09 0.012 0.17 0.12 0.012 0.21 0.15 47 2.47 2.47 2.00 2.47 2.47 1. 99 2.48 2.48 2.00 2.00 0.14 1. 99 0.21 2.00 0.26 La.Fortuna To ..... nhouses King County, Washington 0.32 0.40 0.47 2.01 2.03 2.06 385.69 * 0.012 0.24 0.17 2.49 2.49 2.01 2.01 0.30 385.71 * 0.012 0.26 0.19 2.51 2.51 2.03 2.03 0.34 385.74 * 0.012 0.29 0.20 2.53 2.53 2.05 2.06 0.38 FLOW CONTROL PRIMARY OVERFLOW -NORTH CATCHMENT Using standard orifice equation to determine stand pipe diameter in control structure Ref. KCSWDM '98 Figure 5.3.4.H Q100 = lOO-Year, 24-Hour Peak Storm calculated using KCRTS QlOo = 1.09 cfs H MAX = Maximum available head in feet measured from crest of weir H MAX = 0.5 ft. D = Riser Diameter D = (QIOO / (3.782 * HMAX05))0.5 D = 0.64 ft. (min. diameter) round up to nearest standard pipe diameter useD= 12 in. or I ft. Calculate actual height above the weir expected during the 100-year, 24-hour peak storm H = Actual head above weir achieved with QIOO H = (QIOO / (9.739 * D))"0.67 H = 0.23 ft. © 2003 D. R. STROl'\G Consulting Engineers Inc Technical Information Report 48 LaFortuna Townhouses King County, Washington B. SOUTH CATCHMENT DEVELOPED PEAKS USING IS-MINUTE TIME STEPS Flow Frequency Analysis Time Series File:dev-south-lS.tsf project Location:Sea-Tac ---Annual Peak Flow Rates--- Flow Rate Rank Time of (CFS) 0.458 6 8/27/01 0.320 8 9/17/02 0.959 2 12/08/02 0.369 7 8/23/04 0.524 5 11/17/04 0.540 4 10/27/05 0.636 3 10/25/06 1. 35 1 1/09/08 Computed Peaks © 2003 D. R. STRONG Consulting Engineers Inc T cchnical Information Report Peak 18:00 17:45 17:15 14 :30 5:00 10:45 22:45 6:30 -----Flow Frequency Analysis------- - -Peaks Rank (CFS) 1. 35 1 0.959 2 0.636 3 0.540 4 0.524 5 0.458 6 0.369 7 0.320 8 1.22 49 Return Prob Period 100.00 25.00 10.00 5.00 3.00 2.00 1. 30 1.10 50.00 0.990 0.960 0.900 0.800 0.667 0.500 0.231 0.091 0.980 LaFortuna TO\Vllhouses King County, Washington ···St;:u·ctures···· ········S·u·basins··S;···· A Tributaries From To sf CB#16 to vaun CB16 CB15 1 13270 CB15 CB14 3 977 CB14 CB13 2 7612 CB13 CB12 5 8766 CB12 CB11 6 4436 7 15298 CB#17 Run 7691 CB11 Vault 22989 Totals: 58050 CB#17to CB#11 CB17 CB11 4 7691 Totals: 7691 CB# 10 to Vault CB10 Vault 8 1343 Totals: 1343 © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report BACKWATER ANALYSIS TABLE -SOUTH CATCHMENT A C .. ······· .. ·C~ ···········T~ iR ....... i"~ ........ Ac mAc Min. 0.30 0.90 6.3 0.82 2.99 0.02 0.90 I 6.3 0.82 2.99 0.17 0.90 6.3 0.82 2.99 0.20 0.90 I 6.3 0.82 2.99 0.10 0.90 6.3 0.82 2.99 0.35 0.90 0.18 0.90 0.53 0.90 I 6.3 0.82 2.99 1.33 0.90 0.18 0.90 6.3 0.82 2.99 0.18 0.90 0.03 0.90 6.3 0.82 2.99 0.03 0.90 50 aR LaR subasin efs · .. ·········Cfs .. ·· 0.82 0.82 0.06 0.88 0,47 1.35 0.54 1.89 0.27 2.16 1.42 3.58 0.47 0.47 0.08 0.08 a-d ········Materiai···· n Ratio in 0.00 12 LCPE 0.012 0.07 12 LCPE 0.012 0.53 12 LCPE 0.012 0.40 12 LCPE 0.012 0.14 12 LCPE 0.012 0.66 12 LCPE 0.012 0.00 12 LCPE 0.012 0.00 12 LCPE 0.012 LaFortuna Townhouses King County, Washington ft 48 22 94 48 96 7 24 12 invert invert over-a v in out flow Full Full elev. Flow Flow ft ft ft cfs fps 390.50 390.26 393.50 2.74 3.48 390.26 390.15 395.85 2.74 3.48 390.15 389.68 395.85 2.74 3.48 389.68 389.44 398.50 2.74 3.48 389.44 388.98 397.22 2.68 3.41 388.98 384.85 393.98 29.73 37.85 389.46 388.98 393.98 5.47 6.97 387.67 384.85 392.67 18.76 23.89 BACKWATER COMPUTER PROGRAM FOR PIPES Pipe data from file:cb16-vault.bwp Surcharge condition at intermediate junctions Tailwater Elevation:390.85 feet Discharge Range:O.5 to 4. Step of 0.5 [cfs] Overflow Elevation:393.5 feet Weir:NONE Upstream Velocity:O. feet/sec PIPE NO. 10 7 LF -12"CP @ 59.00% OUTLET, 384.85 INLET, 388.98 INTYP, 4 JUNC NO.1, OVERFLOW-EL, 393.98 BEND, 0 DEG DIA/WIDTH, 2.0 Q-RATIO, 0.66 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.50 1. 00 1.50 2.00 2.50 3.00 3.50 4.00 1. 89 1. 90 1. 94 1. 99 2.06 2.14 2.23 2.35 390.87 * 0.012 0.30 390.88 * 0.012 0.43 390.92 * 0.012 0.52 390.97 * 0.012 0.61 391.04 * 0.012 0.68 391.12 * 0.012 0.75 391.21 * 0.012 0.80 391.33 * 0.012 0.85 0.10 0.13 0.16 0.18 0.20 0.22 0.24 0.25 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 6.00 1.88 1.87 1. 88 1. 89 1.90 1. 91 1. 93 1. 95 1. 89 1.90 1. 94 1. 99 2.06 2.14 2.23 2.35 0.10 0.29 0.44 0.57 0.70 0.82 0.96 1.13 PIPE NO.2, 96 LF -12"CP @ 0.48% OUTLET, 388.98 INLET, 389.44 INTYP, 4 JUNC NO.2, OVERFLOW-EL, 397.22 BEND, 0 DEG DIA!WIDTH, 4.0 Q-RATIO, 0.14 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.30 0.60 0.90 1. 20 1.51 1. 81 2.11 2.41 1.44 1.47 1. 54 1. 64 1. 77 1. 93 2.12 2.34 390.88 * 0.012 390.91 * 0.012 390.98 * 0.012 391.08 * 0.012 391.21 * 0.012 391.37 * 0.012 391.56 * 0.012 391.78 * 0.012 0.23 0.33 0.40 0.47 0.53 0.58 0.63 0.67 0.23 1.89 0.33 1.90 0.41 1.94 0.48 1.99 0.54 2.06 0.61 2.14 0.67 2.23 0.75 2.35 1. 89 1. 90 1. 94 1. 99 2.06 2.14 2.23 2.35 1. 44 1. 46 1. 53 1.62 1. 74 1. 89 2.06 2.26 1.44 1. 47 1. 54 1. 64 1.77 1. 93 2.12 2.34 0.30 0.43 0.54 0.63 0.70 0.77 0.84 0.90 PIPE NO.3, 48 LF -12"CP @ 0.50% OUTLET, 389.44 INLET, 389.68 INTYP, 4 JUNC NO.3, OVERFLOW-EL, 39B.50 BEND, 90 DEG DIA/WIDTH, 4.0 Q-RATIO, 0.40 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.26 0.53 0.79 1. 06 1.21 1.25 1.34 1. 48 390.89 * 0.012 0.22 0.22 390.93 * 0.012 0.31 0.30 391.02 * 0.012 0.38 0.37 391.16 * 0.012 0.44 0.44 © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report 51 1.44 1. 47 1. 54 1. 64 1.44 1.21 1.47 1.24 1.54 1.32 1.64 1.44 1. 21 1.25 1.34 1. 48 0.28 0.41 0.52 0.61 LaFortuna Townhouses King County, Washington 1. 32 1. 59 1. 85 2.11 1. 66 1. 87 2.12 2.41 391.34 391.55 391.80 392.09 '* 0.012 '* 0.012 '* 0.012 '*" 0.012 0.49 0.54 0.58 0.63 0.50 0.55 0.61 0.67 1. 77 1. 93 2.12 2.34 1. 77 1. 93 2.12 2.34 1. 59 1.77 1. 99 2.24 1. 66 1. 87 2.12 2.41 0.70 0.78 0.87 0.95 PIPE NO.4: 94 LF -12"CP @ 0.50% OUTLET, 389.68 INLET, 390.15 INTYP, 4 JUNC NO.4, OVERFLOW-EL, 395.85 BEND, 90 DEG DIA!WIDTH, 4.0 Q-RATIO, 0.53 Q(CFS) HW(FT) HW ELEV. '* N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.19 0.38 0.57 0.75 0.94 1.13 1. 32 1. 51 0.75 0.80 0.91 1. 07 1. 27 1. 53 1. 83 2.17 390.90 390.95 391.06 391.22 391.42 391.68 391.98 392.32 * 0.012 '* 0.012 '" 0.012 * 0.012 * 0.012 '* 0.012 * 0.012 * 0.012 0.18 0.26 0.32 0.37 0.41 0.45 0.49 0.53 0.18 0.26 0.31 0.36 0.41 0.45 0.50 0.54 1. 21 1.25 1. 34 1. 48 1. 66 1. 87 2.12 2.41 1.21 0.75 1.25 0.79 1.34 0.90 1.48 1.05 1.66 1.24 1.87 1.48 2.12 1.76 2.41 2.09 0.75 0.80 0.91 1.07 1.27 1. 53 1. 83 2.17 0.24 0.34 0.43 0.50 0.57 0.64 0.70 0.76 PIPE NO.5, JUNC NO.5, 22 LF -12"CP @ OVERFLOW-EL, 395.85 0.50% BEND, OUTLET, 390.15 INLET, 390.26 INTYP, 4 o DEG DIA!WIDTH, 4.0 Q-RATIO, 0.07 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.12 0.25 0.37 0.49 0.62 0.74 0.86 0.99 0.65 0.69 0.81 0.97 1.18 1. 43 1.73 2.08 390.91 390.95 391.07 391.23 391.44 391. 69 391. 99 392.34 '* 0.012 * 0.012 * 0.012 '* 0.012 '* 0.012 * 0.012 * 0.012 '* 0.012 0.15 0.21 0.26 0.30 0.33 0.36 0.39 0.42 0.15 0.75 0.21 0.80 0.25 0.91 0.29 1.07 0.33 1.27 0.36 1.53 0.39 1.83 0.42 2.17 0.75 0.80 0.91 1. 07 1. 27 1. 53 1. 83 2.17 0.65 0.69 0.81 0.97 1.18 1. 43 1. 73 2.08 0.65 0.69 0.81 0.97 1.18 1. 43 1.73 2.08 0.19 0.27 0.34 0.39 0.44 0.48 0.52 0.56 PIPE NO.6, 48 LF -12"CP @ 0.50% OUTLET, 390.26 INLET, 390.50 INTYP, 4 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.12 0.23 0.35 0.46 0.58 0.69 0.81 0.92 0.42 0.47 0.59 0.75 0.97 1. 22 1. 54 1.90 390.92 390.97 391.09 391. 25 391. 47 391. 72 392.04 392.40 * 0.012 * 0.012 '* 0.012 * 0.012 * 0.012 * 0.012 * 0.012 * 0.012 © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 0.14 0.20 0.25 0.29 0.32 0.35 0.38 0.41 0.15 0.20 0.25 0.28 0.32 0.35 0.38 0.41 52 0.65 0.69 0.81 0.97 1.18 1. 43 1. 73 2.08 0.65 0.69 0.81 0.97 1.18 1.43 1. 73 2.08 0.42 0.46 0.58 0.74 0.96 1. 21 1.52 1. 87 0.42 0.47 0.59 0.75 0.97 1. 22 1. 54 1.90 0.18 0.26 0.33 0.38 0.43 0.47 0.52 0.56 LaFortuna TO\.VJ1houses King County, Washington Pipe data from file:cb17-cbll.bwp Surcharge condition at intermediate junctions Tailwater Elevation:391.33 feet Discharge Range:O.5 to 3. Step of 0.5 [efs) Overflow Elevation:393.98 feet Weir:NONE Upstream Velocity:O. feet/sec PIPE NO.1, 24 LF -12"CP @ 2.00% OUTLET, 388.98 INLET, 389.46 INTYP, 4 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.50 1.89 391.35 • 0.012 0.30 0.21 2.35 1. 00 1.92 391.38 • 0.012 0.43 0.29 2.35 1. 50 1. 97 391.43 • 0.012 0.52 0.36 2.35 2.00 2.06 391. 52 • 0.012 0.61 0.42 2.35 2.50 2.16 391.62 • 0.012 0.68 0.48 2.35 3.00 2.29 391.75 • 0.012 0.75 0.53 2.35 Pipe data from file:cblO-vault.bwp Surcharge condition at intermediate junctions Tailwater Elevation:390.85 feet Discharge Range:O.25 to 2. Step of 0.25 (cfs] Overflow Elevation:392.67 feet Weir:NONE Upstream Velocity:O. feet/sec 2.35 1. 88 1. 89 0.39 2.35 1. 89 1. 92 0.58 2.35 1.91 1.97 0.73 2.35 1. 93 2.06 0.88 2.35 1. 97 2.16 1. 02 2.35 2.02 2.29 1.15 PIPE NO.1, 12 LF -12"CP @ 23.50% OUTLET, 384.85 INLET, 387.67 INTYP, 4 Q(CFS) HW(FT) HW ELEV. * N-FAC DC DN TW DO DE HWO HWI ******************************************************************************* 0.25 3.19 390.86 • 0.50 3.19 390.86 • 0.75 3.20 390.87 • 1. 00 3.22 390.89 * 1.25 3.24 390.91 • 1. 50 3.27 390.94 • 1.75 3.30 390.97 • 2.00 3.33 391.00 • © Z003 O. R. STRONG Consulting Engineers Inc Technical Information Report 0.012 0.21 0.012 0.30 0.012 0.37 0.012 0.43 0.012 0.48 0.012 0.52 0.012 0.57 0.012 0.61 0.09 6.00 6.00 0.12 6.00 6.00 0.14 6.00 6.00 0.16 6.00 6.00 0.18 6.00 6.00 0.20 6.00 6.00 0.21 6.00 6.00 0.23 6.00 6.00 53 3.19 3.18 3.18 3.19 3.19 3.20 3.20 3.21 3.19 0.16 3.19 0.28 3.20 0.38 3.22 0.47 3.24 0.55 3.27 0.62 3.30 0.70 3.33 0.77 LaFortuna Tovmhouses King County, Washington FLOW CONTROL PRIMARY OVERFLOW -SOUTH CATCHMENT Using standard orifice equation to determine stand pipe diameter in control structure Ref. KCSWDM '98 Figure 5.3.4.H QIOO = 100-Year, 24-Hour Peak Storm calculated using KCRTS QlOo = 1.35 cfs H MAX = Maximum available head in feet measured from crest of weir H MAX = 0.5 ft. D = Riser Diameter D = (QIOO I (3.782 * HMAXO.S))os D = 0.71 ft. (min. diameter) round up to nearest standard pipe diameter useD= 12 in. or I ft. Calculate actual height above the weir expected during the 100-year, 24-hour peak storm H = Actual head above weir achieved with QIOO H = (QIOO I (9.739 * D))"0.67 H = 0.27 ft. © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 54 LaFortuna Tovmhouses King County, Washington FIGURE 13 BACKWATER BASIN MAP -BOTH CATCHMENTS © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 55 LaFortuna Townhouses King County, Washington C. UPSTREAM CONVEYANCE According to the Level One Downstream Analysis in Section III, the upstream tributary area is approximately 5.5 acres. As discussed in that analysis, approximately 2 acres of that is collected by upstream development and bypasses the Site. Therefore approximately 3.5 acres of upstream runoff may contribute to the Site. This runoff will be collected by the rockery drains along the east Site boundary and will be routed around to the proposed outfall for the south catchment. This contributing upstream area is currently undeveloped, but is zoned as shown in the following table. Per the KCSWDM Table 3.2.2.0, the anticipated build-out rate is then assumed as is also shown in the following table. This information was used to generate a time series using fifteen minute time steps as shown below. The conveyance capacity of the most shallow pipe in the network appears to be capable of conveying the 100-year storm. UPSTREAM BASIN ANTICIPATED BUILD-OUT Total Upstream Area: 3.0 Ac. Zoning % of Total %Impervious Impervious Area Grass Area Ac. Ac. R-6 50 52 0.91 0.S4 R-S 25 60 0.53 0.35 R-12 25 76 0.67 0.21 2.1 1.4 UPSTREAM DEVELOPED PEAKS USING IS-MINUTE TIME STEPS Flow Frequency Analysis Time Series File:upstream-devlS.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--------Flow Frequency Analysis------- Flow Rate Rank Time of (CFS) 1. 00 6 8/27/01 0.721 8 1/05/02 2.20 2 12/08/02 0.806 7 8/23/04 1. 30 4 11/17/04 1. 21 5 10/27/05 1.40 3 10/25/06 3.18 1 1/09/08 Computed Peaks © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report Peak 18:00 15:00 17:15 14:30 5:00 10:45 22:45 6:30 --Peaks Rank (CFS) 3.18 1 2.20 2 1.40 3 1. 30 4 1.21 5 1. 00 6 0.806 7 0.721 8 2.86 56 Return Prob period 100.00 25.00 10.00 5.00 3.00 2.00 1.30 1.10 50.00 0.990 0.960 0.900 0.800 0.667 0.500 0.231 0.091 0.980 LaFortuna Tov.nhouses King County, Washington DOWNSTREAM CONVEYANCE CAPACITY AT CRITICAL PIPE RUN Haestad Methods FlowMaster I version 3.43 +------------------Circular Channel: Manning's Equation ------------------+ Solve For ...... Full Flow Capacity Diameter. . . . . . . 1. 00 ft Slope. . . . . . . . . . 0.0100 ft/ft Manning's n ... . Discharge ..... . Depth ......... . 0.012 3.86 cfs 1. 00 ft Velocity ..... . Flow Area .... . Critical Slope Critical Depth Percent Full .. Froude Number. Full Capacity. QMAX @.94D .... 4.91 fps 0.79 sf 0.0097 ft/ft 0.84 ft 100.00 % FULL 3.86 cfs 4.15 cfs +---------------------------------------------------------------------------+ © 2003 O. R. STRONG Consulting Engineers Inc Technicallnformation Report 57 LaFortuna Tov.rnhouses King County, Washington SECTION VI VI. SPECIAL REPORTS AND STUDIES Gary Shulz, Wetland Ecologist, prepared the following wetland assessment, dated August 25, 2002. This information is in many ways superceded by the discussions with Bill Kerschke described in Section II of this report. © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 58 LaFortuna TO\VT1houses King County, Washington August 25, 2002 Mr. Kamail Johal c/o Mr. Luay R. Joudeh, P.E. D.R. Strong Consulting Engineers, Inc. 10604 N.E. 38th Place, Suite 101 Kirkland, WA 98033 Re: Wetland Classification Assessment for La Fortuna Townhouses, King County: Pre-Application #AOIPMllS. Dear Mr. Johal: Per your request, I have conducted a wetland assessment for classification of the larger, on-site wetland (Wetland A) that extends onto the La Fortuna property. The project site is located at 12632 Petrovitsky Road located just east of Renton in unincorporated King County (Section 10, Township 23 N., Range 7 E. W.M.J. There are two parcels with a total size of approximately 4.51 acres and development is proposed on the north side of the existing homes that front on the Road (see attached vicinity map). Background A pre-application meeting with King County was conducted on 1/8/02 for the La Fortuna residential project. A wetland investigation study (Schulz, 5125/02) was submitted to be reviewed by King County staff and to coordinate an on- site review meeting. Per the County's review, several revisions to wetland boundaries were implemented and surveyed to prepare a. formal submittal. Additional meetings have occurred with County staff for wetland and other site planning issues. Wetland areas on the site include Soos Creek #104 (Wetland A). The wetland investigation (Schulz, 5/25/02) reported this wetland to be a Class 2 because of its size -greater than 1 acre, and its forested habitat. Class 2 wetlands have a standard buffer setback of 50 feet. In addition, the Soos Creek #104 wetland was inventoried and approximately mapped by King County (Sensitive Areas Map Folio, King County 12/90). Soos Creek #104 was rated by King County as Class 2 wetland during a 1990 inventory. Mr. Karnail Johal August 25, 2002 Page 2 At the last meeting with King County (8/7 /02), staff requested an assessment to determine the wetland class for Soos Creek #104 related to a possible off-site "hydrologic connection" to Soos Creek #2 as it located south and downstream of the project site. Soos Creek #2 is also inventoried and mapped in the 1990 King County map folio. Soos Creek #2 is rated a Class 1 wetland having a standard buffer setback of 100 feet. Hydrologic connections between wetlands are considered for wetland rating purposes (Wetlands KCC 21A.06.141S). However, there is no definition of "hydrologic connection" in the County code or criteria to apply this relationship between wetlands. This letter report includes a site reconnaissance and related research to provide information regarding the wetland rating. King County staff has requested off-site information as we!l as documentation to justify the Class 2 wetland rating for the subject wetland. Existing Conditions A Site reconnaissance was conducted on 8/15/02, to characterize the area immediately downstream of the project site. This area is comprised of private property/residential lots that border along the south side of Petrovitsky Road. The reconnaissance is described as a "windshield survey" because permission to walk these properties was not granted. A verbal warning from one of the resident/tenants was expressed when photographs were taken. Photographs of the immediate downstream area of residential lots are attached to this letter. Observations from walking along the Road are that all these properties/lots were filled and/or graded several years ago. The King County Area Soil Survey (US Soil Conservation Service 1973) has mapped this area as Arents, Alderwood material (AmC) and this soil is adjacent to a hydric soil -Seattle muck (Sk) to the south. The Arents, Alderwood soil type consists of soils that have been so disturbed by urbanization that they can no longer be classified with the Alderwood series. The extent of clearing and grading is significant with estimated distances from the Road of 100 feet to more than 300 feet of compacted gravel material. These properties include significant parking and drivable surface without much area of natural land features. Mr. Kamall Johal August 25, 2002 Page 3 Although it is recognized that mapping accuracy is very approximate, the Soil Survey indicates the hydric soils (Seattle muck) found within Soos Creek #104 and #2 are separated by Arents, Alderwood and Alderwood upland soils. This separation is where the Petrovitsky Road crosses between these wetlands. The lowest elevation pOint adjacent to the project site is where Wetland A - Soos Creek #104 drains into a short segment of artificial channel and then into 2 large culverts that convey flows under the Road. These culverts discharge seasonal flow into a channel directly south of Petrovitsky Road. The receiving channel, as described in the Level One Downstream Analysis for the project (D.R. Strong Engineers 11/01) has a trapezoid shape -flat bottom and steep angle side slopes. No water movement was observed as the channel areas were mostly dry due to the time of year. The Downstream Analysis reported the channel extended a distance of more than 900 feet before it intersects with Soos Creek. This drainage study was submitted to King County for review prior to the 1/8/02 pre-application meeting. To summarize this reconnaissance, there is a small stream that flows into Soos Creek #104 from the west just south of S.E. 168th Street. A channel/stream exists south of the Soos Creek #104 wetland and conveys seasonal, surface water flows to Soos Creek and the Soos Creek #2 wetland. The channel is an altered area that is located between the boundaries of existing lots from just north of Petrovitsky Road. The drainage area that provides surface water conveyance appears to be altered from past development activities -Petrovitsky Road and various land uses. The attached photographs depict the extent of disturbance and separation between Soos Creek wetlands #104 and #2. The distance of separation between wetlands is greater than 100 feet. Wetland Inventory Research The King County Wetlands Inventory (King County, March 1991) is a 3-volume notebook publication of data sheets documenting 1990 field inventory work. This publication may be considered a supplement to the 1990 Sensitive Areas Map Folio. The 1991 Wetlands Inventory updated the original 1983 Wetlands Inventory (King County, January 1983). Compared with all other County sensitive area inventory work, the wetlands inventory appears to be the most comprehensive collection of data and information. This publication is a reference available thru the King County library system. Mr. Karnail Johal August 25, 2002 Page 4 The Introduction section to the 1991 Wetlands Inventory explains changes and additional information added to the inventory data sheets that correspond with each numbered wetland. Soos Creek #104 wetland is classified as Palustrine Forested Deciduous (PF06), approximately 4.2 acres, and rated as Class 2 (see attached data sheets). The subsection on hydrology explains the types of outlet -"none, overland defined or undefined, open channel and pipe". The outlet for Soos Creek #104 is listed as "open channel". "Open channel" means that the wetlands outlet is contained within a defined stream course or engineered channel (King County March 1991). Based on this reconnaissance, it appears that the drainage outlet and developed conditions are the same as observed on the wetland inventory date of 6/18/90. The inventory data sheet states "Ivan Petrovitsky Road bisects these wetlands; thus, any hydrologic connection is culverted". Review of the aerial photos used in the 1991 Wetlands Inventory Notebook indicates the grading and filling had already occurred in this area, perhaps prior to 1980. In addition, its difficult to confirm, but historic wetland soil connection may have not existed in this location. As a generalization, many of the wetlands within the Soos Creek watershed are "hydrologically connected" by the stream itself. Other wetlands would be connected by historic hydric soil formation. The County's GIS mapping of sensitive areas is large scale, based on historic conditions, and should be used with that perspective. The GIS mapping of this area does not accurately depict the existing conditions. The information and scientific data provided in the current 1991 Wetlands Inventory should be considered provided there are no significant changes. As part of the off-site, reconnaissance, additional permit information is noted. A building permit was recently issued for a 13-Lot subdivision -Kimberly Lane #L97P003, located on the east side of 125th Avenue S.E. This project is directly west of La Fortuna and borders the Soos Creek #104 wetland. Reportedly, the wetland buffer for this project is 50 feet as required for a Class 2 area. Also, a short plat subdivision - 4 lots is located in the same area, Hoang Do #LOOS0053. These permit activities should be considered. Mr. Kamail lohal August 25, 2002 Page 5 Summary The La Fortuna wetland investigation utilized the most recent wetland inventory data, as well as professional judgement. Because of its size (approximately 4 acres) and habitat, the on-Site wetland meets the criteria for a Class 2 rating. The area and habitat is separated by a significant distance from other wetlands. Those unique or valuable habitats or permanent open water features, used to rate wetlands as Class 1, are not present within Soos Creek #104. In addition to being separated from Soos Creek #2 wetland, the information from the County GIS mapping does not correlate well with the existing conditions. This assessment found no significant changes to site conditions that were reviewed during the 1990 wetland field inventory. These conditions were evaluated by County staff to add Soos Creek #104 as a discreet wetland. If there are any questions or concerns regarding this wetland report or you require additional site specific data, please feel free to contact me. Sincerely, {" iJiV"yJ J)"J{j c. Gary Schulz Wetland/Forest Ecologist Bear4all@yahoo.com 7700 S. Lakeridge Dr. Seattle, WA 98178 (206) 772-6514 Photo Date: 7/23/89 WETLAND: Soos Creek 104 LOCATION (S,T,R): SW-SE 28, 23N, 5E ACREAGE: 4.2 CLASSIFICATION: PF06 Inventory Date: 6/18/90 Scale: 1" ~ 500' COMMUNITY PLAN AREA: Tahoma/Raven Heights BASIN OR DRAINAGE: Cedar River SENSITIVE AREA MAP#: 5 Fish & Wildlife Service Palustrine Forested Deciduous (Alder) Common Name Forested NOTE: Wetland boundaries shown are approximate. Further field studies are necessary to confirm the actual delineation of the wetland according to the Federal Manual for Identifying and Delineating Jurisdictional ·Wetlands. OBSERVED SPECIES (refer to Appendix 1): Trees: AM FL PT TS AR TP Shrubs: RD SX SD Herbs: FR VA LA TL GR Sedges/Grasses/Ferns: VO IE PV PO Birds: RB IT BS AR GF BP Mammals: Fish: Other: HYDROLOGY: Inlet: Outlet: Type: Stream. Condition: Type: Open channel. Condition: Outflow enters: Stream. 500, ~reek 104 Water movement through wetland: Channel flow with some movement -standing flow. Observed water quality in wetland: Water is brown and cloudy due to algae and scum. SIGNIFICANT HABITAT FEATURES: Several snags less than 18 inches in diameter and 25 feet tall. :;ENERAL OBSERVATIONS: This forested wetland is healthy and relatively undisturbed since its initial logging -approximately 40 years ago. There is some filling along the western edge. The site is part of a long north/south wet corridor and is contiguous with Soos Creek 2. Ivan Petrovsky Road bisects these wetlands; thus, any hydrologic connection is culverted. "'ETLAND RATING (see Introduction for criteria): 2 NOTE: Species listed are only those observed during field visits. Further field studies are necessary to obtain a complete list including rare, threatened, and/or endangered species. -' < ---~/~> ,/i ~ . .-l--/ , )~/ , ~, I' z..; ,~ C '/ ~ / I ~/-'--' ~ / . ~ ., ............ . Offsite Property: 1 Photograhs begin on west side and extend east for coverage of all potential connections to La Fortuna wetland. Offsite Property: 2 "Storage" properties, east· of and contiguous with 1 Third photo at bottom shows drainage corridor on east side. t.: . -'1" ",' Offsite Property: 3 First photo (top) is outlet of culverts under Road. Channel is 8 -12 feet wide. Last two photos are of "storage properties" on east side of drainage "hannel. :.'" .-.. . ~:-.~: ~-; . SECTION VII VII. OTHER PERMITS No other permits have been required as part of this development, as of the date of this report. © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report 59 LaFortuna Townhouses King County, Washington SECTION VIII VIII. ESC ANALYSIS AND DESIGN The Erosion and Sedimentation Design meets the seven minimum King County requirements: I. Areas to remain undisturbed shall be delineated with a highly visible plastic fence prior to any site clearing or grading; 2. Site disturbed areas shall be covered with mulch and seeded, as appropriate for temporary or permanent measures; 3. Perimeter protection shall consist of a silt fence down slope of any disturbed areas or stockpiles; 4. A stabilized construction entrance will be located at the point of ingress/egress (i.e. onsite access road); 5. Sediment traps and silt fencing will provide for sediment detention in both catchment areas. 6. Surface water from disturbed areas will sheet flow or be collected in temporary swales and conveyed to the sediment traps for treatment; 7. Dust control shall be provided by spraying exposed soils with water until wet. This is required when exposed soils are dry to the point that wind transport is possible which would impact roadways, drainage ways, surface waters, or neighboring residences. SEDIMENT TRAP SIZING Per the KCSWDM D.4.5.1. The surface area of the trap (SA) must be a minimum of 2080 times the two-year peak flow rate using 15-minute time steps (Q2)' The flow rate is given in Section V.A ofthis report. A. NORTH CATCHMENT Q2=0.386 cfs SA=803 s.£. B. SOUTH CATCHMENT SA=953 s.f. © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 60 LaFortuna Townhouses King County. Washington C. SECTION IX IX. BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF COVENANT • Bond Quantity Worksheet -Attached • Facilities Summaries -Attached • Declaration of Covenant -To be completed after an initial review of this project © 2003 D. R. STRONG Consulting Engineers Inc Technicallnformation Report 61 LaFortuna Townhouses King County, Washington King County Department of Development & Environmental Services 900 Oakesdale Avenue Southwest Renton, Washington 98055-1219 Project Name: location: La Fortuna Townhouses 12632 SE Pelrovilsky road Clearing greater than or equal to 5,000 board feet of timber? X yes If yes, Forest Practice Permit Number: (RCW 76.09) Page 1 of 9 ___________________ no Date: 2112103 Project No.: Activity No.: Note: All prices include labor. equipment, materials. overhead and profit. Prices are from RS Means data adjusted for the Seattle area or from local sources if not included in the RS Means database. Page 2 019 ESC SUBTOTAL: 30% CONTINGENCY & MOBILIZATION: ESC TOTAL: COLUMN: $ 23,134.48 $ 6,940.34 $ 30,074.82 A Page 3 019 SUBTOTAl $4,482.77 $394.13 $723,315.21 $0.00 Page 4 019 SUBTOTAL $0.00 $0.00 $33.861.51 $0.00 Page 5 019 SUBTOTAL $0.00 $0.00 $45,996.32 $0.00 Page 6 019 SUBTOTAL $0.00 $0.00 $29,514.16 $0.00 Page 7 of 9 SUBTOTAL a $0.00 $29,522.59 $0.00 SUBTOTAL $0.00 $0.00 $185,000.00 $0.00 SUBTOTAL (SUM ALL PAGES): $4,482.77 $394.13 $1,047,209.79 $0.00 30% CONTINGENCY & MOBILIZATION: $1,344.83 $118.24 $314,162.94 $0.00 GRANDTOTAL: $5,827.60 $512.37 $1,361,372.73 __ $0.00 COLUMN: B C 0 E Page 8 019 Original bond computations prepared by: Luay R. Joudeh, P.E. Name: K -Best Construction Oate: 12-Feb-03 PE Registration Number: 32162 Tel. #: (425) 827-3063 Firm Name: D. R. STRONG Consulting Engineers, Inc. Address: 10604 NE 38th Place, #101; Kirkland, WA 98033 PmjKtNo: __________________________ __ ROAD IMPROVEMENTS & DRAINAGE FACILITIES FINANCIAL GUARANTEE REQUIREMENTS PERFORMANCE BOND' PUBLIC ROAD & DRAINAGE AMOUNT BOND' AMOUNT MAINTENANCE/DEFECT BOND' Stabilization/Erosion Sediment Control (ESC) Existing Right-of-Way Improvements Future Public Road Improvements & Drainage Fal Private Improvements Calculated QuantilyCompieled Total Right-of Way and/or Site Restoration Bond", (First $7,500 of bond" shall be cash.) Performance Bond' Am, (A+B+C+D) = TOTAL Reduced Performance Bond'" Total "''''''' MaintenancelDefect Bond'" Total (A) (B) (C) (0) (A+B) (T) $ 30,074.8 $ 5,827.6 $ 512.4 $ 1,361,372.7 $ 35,902.4 $ 1,397,787.5 Minimum bond" amount is $1000. REQUIRED AT RECORDING OR TEMPORARY OCCUPANCY'" (E) $ T x 0.30 $ 419,336.3 (T-E) $ 1 ,397,787.5 Use larger of Tx30% or (T -E) NAME OF PERSON PREPARING BOND' REDUCTION, ______________________________ _ "NOTE: The word "bond-as used in this document means any financial guarantee acceptable to King County. -NOTE: KeC 27A authorizes right of way and site restoration bonds to be combined when both are required. OR (B+C) x 0.25 = $ 1,585.0 Date: The restoration requirement shall include the tolal cost for all TESe as a minimum. not a maximum. In addition, corrective work, both on-and off-site needs to be included. Quantities shall reflect worse case scenarios not just minimum requirements. For example, if a salmonid stream may be damaged. some estimated costs for restoration needs to be reflected in this amount. The 30% contingency and rnobUiZalion costs are computed in this quantity. **" NOTE: Per KCC 27 A, tolal bond amounts remaining after reduction shall not be less than 30% of the Original amounl (T) or as revised by major design changes. SURETY BOND RIDER NOTE: If a bond rider is used, minimum additional performance bond shall be I $ I(C+D)-E REQUIRED BOND' AMOUNTS ARE SUBJECT TO REVIEW AND MODIFICATION BY DOES I STORMWATER FACILITY SUMMARY SHEET Development La Fortuna Townhouses Date February 11, 2003 Location 12632 SE Petrovitsky Road ENGINEER DEVELOPER Name Luay R. Joudeh, P.E. Name Karl Best Firm D. R. STRONG Consulting Firm K-Best Construction Engineers, Inc. Address 10604 NE 38 th Place, #101 Address P.O. Box 1790 Kirkland, W A 98033 Snohomish, W A 98290 Phone (425) 827-3063 Phone (425) 754-1713 Developed Site: 4.51 Acres Number oflots 1 Parcel wI 41 townhouse units Number of detention facilities on site: Number of infiltration facilities on site: ___ ponds ___ ponds _...;2:......-vaults ___ vaults ___ tanks ___ tanks Flow control provided in regional facility (give location) _____________ _ No flow control required __ Exemption number ________________ _ D ownstream D" ramage B " asms Immediate Maior Basin Basin A Soos Creek Soos Creek Basin B Number & type of water quality facilities on site: ___ biofiltration swale (regular/wet! or continuous inflow?) ___ sand filter (basic or large?) sand filter, linear (basic or large?) _--,-_ combined detentionIWQ pond sand filter vault (basic or large?) 2 combined detentionlwetvault stormwater wetland ___ compost filter wetpond (basic or large?) ---filter strip wetvault _...;1,--flow dispersion pre-settling pond ___ farm management plan flow-splitter catchbasin ___ landscape management plan ___ oil/water separator (baffle or coalescing plate?) ___ catch basin inserts: Manufacturer ___________________ _ ___ pre-settling structure: Manufacturer ___________________ _ © 2003 D. R. STRONG Consulting Engineers Inc Technicallnformation Report 62 LaFortuna Townhouses King County. Washington DESIGN INFORMATION INDIVIDUAL BASIN A -North B -South C D Water Quality design flow N/A N/A Water Quality treated volume 12,504 c.r. 14,924 c.r. Drainage basin( s} Onsite area 1.07 ac. 1.38 ac. Offsite area 0.0 ac. 0.0 ac. Type of Storage Facility Detention Detention Vault Vault Live Storage Volume 12,582 c.r. 15,048 c.r. Predeveloped Runoff Rate 2-year 0.038 cfs 0.049 c.r. lO-year 0.068 crs 0.092 c.r. IOO-year 0.129 cfs 0.166 c.r. Developed Runoff Rate 2-year 0.220 cfs 0.271 c.f. IO-year 0.262 cfs 0.324 c.r. IOO-year 0.437 cfs 0.544 c.r. Type of Restrict or Frop-Tee Frop-Tee Size of orifice/restriction No. I 0.67 in. 0.77 in. No.2 0.90 in. 0.95 in. No.3 0.67 in. 0.87 in. No.4 FLOW CONTROL & WATER QUALITY FACILITY SUMMARY SHEET SKETCH All detention, infiltration and water quality facilities must include a sketch per the following criteria: 1. Heading for the drawings should be located at the top of the sketch (top right-hand corner). The heading should contain: • North arrow (point up or to left) • D9# • Plat name or short plat number • Address (nearest) • Date drawn (or updated) • Thomas Brothers page, grid number 2. Label CBs and MHs with the plan and profile designation. Label the control structure in writing or abbreviate with C.S. Indicate which structures provide spill control. 3. Pipes--indicate: Pipe size Pipe length Flow direction Use s single heavyweight line 4. Tanks--use a double, heavyweight line and indicate size (diameter) 5 . Access roads • Outline the limits of the road • Fill the outline with dots if the road is gravel. Label in writing if another surface. © 2003 D. R. STRONG Consulting Engineers Inc Technical Infonnation Report 63 LaFortuna Townhouses King County, Washington 6. Other Standard Symbols: • Bollards:.... • ••• • Rip rap 000000 000000 Fences --x---x---x---x---x---x--- • Ditches -~~~D 7. Label trash racks in writing. 8. Label all streets with the actual street sign designation. If you don't know the actual street name, consult the plat map. 9. Include easements and lot lines or tract limits when possible. 10. Arrange all the labeling or writing to read from left to right or from bottom to top with reference to a properly oriented heading. Indicate driveways or features that may impact access, maintenance or replacement. © 2003 D, R, STRONG Consulting Engineers Inc Technical Information Report 64 laFortuna Tov.rnhouses King County, Washington SECTION X X. OPERATIONS AND MAINTENANCE MANUAL The Type I catch basins have a one-foot deep sump, and the Type 2 catch basins have a two-foot deep sump for sediment accumulation. These sumps should be periodically checked and the sediment removed when accumulated to more than 1/3 of the depth from the boltom of the basin to the invert of the lowest pipe into or out of the basin. Grates should be cleaned when trash or debris of more than Y, cubic foot is located immediately in front of the basin opening, or is blocking capacity of the basin by more than 10%. Conveyance pipes should be periodically checked and cleaned when more than 20% of the pipe diameter is obstructed by accumulated sediment or debris. Accumulated sediment and stagnant conditions may cause noxious gases to form and accumulate in the vault. Vault maintenance procedures must meet OSHA confined space entry requirements, which includes clearly marking entrances to confined space areas. This may be accomplished by hanging a removable sign in the access riser(s), just under the access lid. Sediment in the vault should be removed when the I-foot (average) sediment zone is full plus 6 inches. Sediment should be tested for toxicants in compliance with current disposal requirements if visual or olfactory indications of pollution are noticed. Water drained or pumped from vaults prior to sediment removal may be discharged to the downstream conveyance (i.e. roadside ditch), ifit is not excessively turbid (i.e. if water appears translucent when held to light), and if floatable debris and visual petroleum sheens are removed. Excessively turbid water (i.e. water appears opaque when held to light) should be discharged only after the solids have been removed. Floating debris and accumulated petroleum products should be removed as needed, but at least annually. The floating oil should be removed from wetvauIts used as oil/water separators when oil accumulation exceeds one inch. Perform inspections of all components quarterly during the first year of operation, then annually thereafter. For more detailed maintenance instructions, refer to the standards contained at the end of this section. © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 65 laFot1una Townhouses King County, Washington APPENDIX A M.AlNTE:;A:;CE STA"iDARDS FOR PRIVATELY \IAINTAIN"ED DRAl:;AGE FACILITIES NO.4 -CONTrlOL STRUCTUREIFLOW RESTRICTOR Maintenance Deject Component General I rash and Debris (IncLudes Sediment) Structural Damage Cleanout Gate Damaged or Missing Orifice Plate Damaged or Missing Obstructions Overflow Pipe Obstructions Manhole Catch Basin 9/1/98 Condition When Maintenance is Needed Distance between deoris buLd up anc bottom of orifice plate is iess than 1-1/2 feeL Structure is not securely attached to manhole wall and outlet pipe structure should support at least 1,000 Ibs of up or down pressure. Structure is not in upright position (allow up to 1QcIc fram plumb). Connections to outlet pipe are not watertight and show signs of rust. Any holes--other than designed holes--in the structure. Clean out gate is not watertight or is missing. Gate cannot be moved up and down by one maintenance person. Chain leading to gate is missing or damaged. Gate is rusted over 50% of its surface area. Control device is not working properly due to missing. out of place, or bent orifice plate. Any trash, debris, sediment, or vegetation blocking the plate. Any trash or debris blocking (or having the potential of blockmg) the overflow pipe. Results Expected When Maintenance is Performed Ail [(asn and deOns removed. Structure securely attached to wall and outlet pipe. Structure in correct position. Connections to outlet pipe are water tight; structure repaired or replaced and works as designed. Structure has no holes other than designed holes. Gate is watertight and works as designed. Gate moves up and down easily and is watertight. Chain is in place and works as designed. Gate is repaired or replaced to meet design standards .. Plate is in place and works as designed. Plate is free of all obstructions and works as designed. Pipe is free of all obstructions and works as designed. See ~Closed Detention Systems" Standards NO.3 See uClosed Detention Systems' Standards No.3 See "Catch Basins" Slandards :'10. 5 See 'Catch 8asins'~ Standaras No.5 1998 Surface \Vater Design !,vlanual A-4 APPE:iDlX A MAINTE:\A:\CE STA"D.~RDS FOR PRIVATELY \I.Aj,-<jA[!\ED DRAI'-:':,GE FACILITIES NO.3 -CLOSED DETENilON SYSTEMS (PIPESfT ANKS) Maintenance Component Storage Area Manhole Catch Basins Defect ?iugged AirVents Debris and Sediment Joims Between Tank/Pipe Section Tank Pipe Bent Out of Shape Cover Not in Place Locking Mechanism Not Working Cover Difficult to Remove Ladder Rungs Unsafe 1998 SurfJce Water Design l>.:Jan"JaJ Conditions When Maintenance is Needed o ne-haif of the cress section of a vent is 'Jlccked at any paim with aebris and sediment Accumulated sediment aepth exceeds 10';';' ot the diameter of the storage a.ea te. :,~ leng~h of siOrage vault or any pOint dept:l exceeas 15% of jiameter. =xample: 72-inch storage tank would require cleaning when sediment reaches depth of 7 inches tor more than Yz length of tank. Any crack allowing material to be transported into facility Any part of tank/pipe is bent out of shape more than 10%, of it's design shape Cover is missing or only partiaUy in place. Any open manhole requires maintenance. Mechanism cannot be opened by one maintenance person with proper tools. Bolts into frame have less than V2: inch of thread (may not apply to self-locking lids.) One maintenance person cannot remove f1d after applying BOlbs of ntt. Intent is to keep cover from sealing off access to maintenance. King County Safety Office and/or maintenance person judges that ladder is unsafe due to missing rungs, misalignment, rust, or cracks. See ~Catch Basins" Standards No.5 A-3 Results Expected When Maintenance is Performed Vents free of debns ana Sediment All sediment and debns removed from storage area. AU joint between tank /pipe sections are sealed Tank! pipe repaired or replaced to design. Manhole is closed. Mechanism opens with proper tools. Cover can be removed and re'lnstalled by one maintenance person. Ladder meets design standards allows maintenance person sate access. See ~Catch Basins" Standards No.5 9/1/98 APPENDIX A \lAlNTENANCE ST.-\J'iDARDS FOR PRIVATELY MAIr\TAIKED DRAIi\AGE F.-\CIL1TIES NO.5 -CATCH BASINS (CONTINUED) Maintenance Component Catch Basin Cover Ladder Metal Grates (If Applicable) Defect Fire Hazard Vegetation Pollution Cover Not in Place Locking Mechanism Not Working Cover Difficult to Remove Ladder Rungs Unsafe Trash and Debris Damaged or Missing. Conditions When Maintenance is Needed Presence of chemicals such as natural gas. oil and gasoline. Vegetation growing across and blocking more than 10% of the basin opening. Vegetarion growing in inletioutJet pipe joints that is more than six inches tall and less than six inches apart. Nonflammable chemicals of more than 1/2 cubic foot per three feet of basin length. Cover is missing or only partially in place. Any open catch basin reqUIres maintenance. Mechanism cannot be opened by on maintenance person with proper tools. Bolts into frame have less than 1/2 inch of thread. One maintenance person cannot remove lid after applying 80 Ibs. of lift; intent is keep cover from sealing off access to maintenance. Ladder is unsafe due to missing rungs, misalignment, rust, cracks. or sharp edges. Grate with opening wider than 7/8 inch. Trash and debris that is blocking mOre than 20% of grate surface. Grate missing or broken member(s) of the grate. NO.6 DEBRIS BARRIERS (E.G., TRASH RACKS) Maintenance Components G8nerai Metal 9/1/98 Defect Trash and Debris Oamaqec/ iViissing Bars. Condition When Maintenance is Needed Trash or debris that is plugging more ~han 20% of the openings in the barrier. Bars are bent out of shaDe more Ihan 3 inches. Bars are mIssing or entire barrier missing. Bars are loose and rust is causing 50% deterioration to any part of barrier .'1.·6 Results Expected When Maintenance is performed No flammable chemicals presen~. No vegetation blocking opening to basin. No vegetation or root growth present. No pollution present other than surface fjlm. Catch basin cover is closed Mechanism opens with proper tools. Cover can be removed by one maintenance person. Ladder meets design standards and allows maintenance person safe access. Grate opening meets design standards. Grate free of trash and debris. Grate is in place and meets design standards. Results Expected When Maintenance is Performed. Barrier clear to receive capacity flow. Bars in ~Iace wirh no bends more ;han 3/4 inch. Ears in piace according to design. Repair or replace barrier to design standards. 1998 Surface Water Design :Vlanual .-\PPE"iDIX.-\ "1.-\I"lEi\iI.NCE STANDARDS FOR PRIVATELY \IA]"TAINED DRAINAGE FACILITIES NO.5 -CATCH BASINS Maintenance Component General Defect Trash & Qebris (Includes Sedrment) Structure Damage to Frame and/or Top Slab Cracks in gasin Walls/ Bottom Sediment' Ivlisairgnmen: 1998 Surhce Wmer Design .'vbnual Conditions When Maintenance is Needed Trash or debns of more than 1/2 cubic toot whic;' is located immedrately in front of The catch basin opening or is blocking capacity' of trle basin by more than 10% Trash or debris (in the basin) that exceeds 1/3 the depth from th e bottom of basin to "Invert the lowest pipe into or out of the basin. Trash or debris in any inlet or outlet pipe blocking more than 1/3 of its he"lght. Dead animals or vegetation that CQuid generate odors that could cause complaints or dangerous gases (e.g., methane). Deposits of garbage exceeding 1 cubic foot in volume Comer of frame extends more than 3/4 inch past curb face into the street (II applicable). Top slab has holes larger than 2 square inches or cracks wider than 1/4 inch (intent is to make sure aJi material is running into basin). Frame not sitting flush on top slab, i.e., separation of more than 3/4 inch of the frame from the top slab. Cracks wider than 1/2 inch and longer t~an 3 feet, any evidence at soli particles entering catch basin through cracks, or maintenance person judges that structure is unsound. Cracks Wider than 1/2 Inch and longer than 1 toot at the joint of any InieU outlet pipe or any evidence of soil particles entering catch basin through cracks. 3aSIn has senied more lhan -, Inch or has rOI2.'80 more than 2 Incnes cut of alignment. A·5 Results Expected When Maintenance is performed N,:) Trast'. or debns lOCated immedIately in front at catch basin opening_ No trash or debris in the catch basin. Inlet and outlet pipes free of trash or debris. No dead animals or vegetation present within the catch basin. No condition present which would attract or support the breeding of insects or rodents. Frame is even with curb. Top slab is free of holes and cracks. Frame is sitting flush on top slab. Basin replaced or repaired to design standards. No cracks more than 1/4 inch wide at the Joint of inlet/outlet pipe. Basin f,=placeo or repaired ,0 des!gn standards. 9il/98 I APPE'iDlX A ~IAl:--iTEi'iA'iCE ST."-'iDARDS FOR PRlYA TEL Y ~L'JNT AINl:D DR.".I:-;AGE FACILITIES NO.8 -FENCING Majntenance Components Genera: Wire Fences Defect Missing or Broken Parts Erosion Damaged Parts Deteriorated Paint or Protective Coating Openings in Fabric NO.9-GATES Maintenance Component General 9/1/98 Defect Damaged or Missing Members Openings in Fabric Conditions When Maintenance is Needed Any defect in me ie.1ce tfJat permits easy en~0'" to a facility. Erosion more than 4. inches high and 12-18 inches wide permitting an opening under a fence. Post out of plumb more than 6 inches. Top rails bent more than 6 inches. Any part of fence (including post, top rails, and fabric) more than 1 foot out of design alignment. Missing or loose tension wire. Missing or loose barbed wire that is sagging more than 2-1/2 inches between posts. Extension arm missing, broken, or bent out of shape more than 1 1/2 inches. Part or parts that have a rusting or scaling condition that has aHected structural adequacy. Openings in fabric are such that an 8-inch- diameter ball could fit through. Conditions When Maintenance is Needed Missing gate or locking devices. Broken or misSing hinges such that gate cannot be eaSily opened and closed by a maintenance person. Gate is out of plumb more than 6 inches and more than 1 foot out of design alignment. Missing stretcher bar, stretcher bands, and ties. See -Fer.cinc( Standard No.3 A·8 Results Expected When Maintenance is Performed Parts in place to provide adequate security. No opening under the fence that exceeds 4 inches in height. Post plumb to within 1-1/2 inches. Top rail free of bends greater than 1 inch. Fence is aligned and meets design standards. Tension wire in place and holding fabric. Barbed wire in place with less than 3/4 inch sag between post. Extension arm in place with no bends larger than 3/4 inch. Structurally adequate posts or parts with a uniform protective coating. No openings in fabric. Results Expected When Maintenance is Performed Gates and Locking devices in place, Hinges intact and lubed. Gate is workmg freely. Gate is aligned and vertical. Stretcher bar, bands and ties in place. See ~Fencing" Standard Nc. 2 1998 Surface Water Design ;-"·lanual APPENDIX A I.HII'iTE";ANCE STACiDARDS FOR PRJVATELY MAll'i"TAINED DRAI~AGE FACILITIES NO.7 -ENERGY DISSIPATERS Maintenance Components t:x1emal: Rock Pad Dispersion Trench Internal: Manhole/ Chamber Defect Missing or Moved i="iock Pipe Plugged with Sediment Nor Discharging Water Properly Periorations Plugged. Water Flows Out Top of ~DJstributor" Catch Basin. Receiving Area Over·Saturated Worn or Damaged Post. BaNles, Side of Chamber Other Defects 1998 Surface \Vater Design ~vlanual Conditions When Maintenance is Needed Only one layer of reck exists above native soil :n area five square feet or larger. or any exposure oi native soil. Accumulated sediment that exceeds 20~o of the design depth. Visual evidence of water discnarging at concentrated points along trench (normal condition is a ~sheet flow" of water aiong trench). Intent is to prevent erosion damage. Over 1/2 of perforations in pipe are plugged with debris and sediment. Maintenance person observes water flowing out during any storm less than the design storm or its causing or appears likely to cause damage. Water in receiving area is causing or has potential of causing landslide problems. Structure dissipating flow deteriorates to 1/2 or original size or any concentrated wom spot exceeding one square foot which would make structure unsound. See "Catch Basins" Standard NO.5 A-i Results Expected When Maintenance is Performed. Replace rocks to design standards. Pipe cleaned! flushed so that it matches design. Trench must be redesigned or rebuilt to standards. Clean or replace perforated pipe. Facility must be rebuilt or redesigned to standards. No danger of landslides. Rep/ace structure to design standards. See "Catch Basi!"..:.." Standard No, 5 9/l/9S APPEi\DIX A Ho,Ii'-'TENANCE STAi\DARDS FOR PRIVATELY \lAIi'-'TAINED DR..'JNAGE ?o,ClLlTlES NO. 10 -CONVEYANCE SYSTEMS (PIPES & DITCHES) Maintenance Component Pipes Open Ditches Catch Basins Debris Barriers (e.g., Trash Rack) Defect Sediment &. DebriS Vegetaticn Damaged Trash & Debris Sediment Vegetation Erosion Damage to Slopes Rock Lining Out 01 Place or Missing (If Applicable). Conditions When Maintenance is Needed Accumulated sedimem rhal exceeds 20% of the diameter of the pipe. VegetaTion that reduces tres movement of water through pipes. Protective coating is damaged; rust is causing more than 50% detenoration to any part of pipe. Results Expected When Maintenance is Periormed Pipe cleaned of all sediment and debris. All vegetation removed so water flows freely through pipes. Pipe repaired or replaced. Any dent that decreases the cross section area of Pipe repaired or replaced. pipe by more than 20%. Trash and debris exceeds 1 cubic foot per 1 ,000 square feet of ditch and slopes. Accumulated sediment that exceeds 20 % of the design depth. Vegetation that reduces free movement of water through ditches. See "Ponds~ Standard NO.1 Maintenance person can see native soil beneath the rock lining. See "Catch Basins: Standard No.5 See uDebris Barrrers" Standard NO.6 Trash and debris cleared from ditches. Ditch cleaned! flushed of aU sediment and debris so that it matches design. Water flows freely through ditches. See uPonds~ Standard No. Replace rocks to design standards. See "Catch Basins" Standard No.5 See ~Debris Barriers" Standard NO.6 NO. 11 -GROUNDS (LANDSCAPING) Maintenance Component General Trees ar.d Sh ru bs Defect Weeds (Nonpoisonous) Safety Hazard Trash or ,~iti.er o e:Trl aged Conditions When Maintenance is Needed Weeds growing in mare than 20% of the landscapea area (trees and shrubs only) Any presence of poison ivy or other poisonous vegetation. Paper, cans, bottles, mtaling more than 1 cubic toot within a landscaped area (trees and shrubs only) of 1.000 square feet. I_imbs or ~arts of trees or shrubs :hat are split or broken which aifect more than 25% of the total foliage of the tree or shru.J. Results Expected When Maintenance is Performed Weeds present in less than 5% of the landscaped area. No poisonous vegetation present in landscaped area. Area clear of litter. Trees and Shrubs with less than 5~{, of tora! foliage with split or broken limbs. Trees or shrubs that have been ~Iown down or iree or shrub in place iree of Knocked over. Injury. -'-;;'::3 :::;, 3)'-,::";::;3 ·il:-.:G~ oj", ;-;c( :::.::€:qGat<3-i/ ';i..P,:'·Cd-::e( 7.0&0& .-:;' si-,rui:, ir, ;':2.(,':' a,-.G 0; are leaning over. causing exposure of the roo,s. adequately SUPPoJ1ed; remove any dead or diseasea trees. 1998 Surface Wa[er DeSign Manual 9/1/98 .'1.-9 APPE"DIX.A M .. '.J'<'TENA:"CE STANDARDS FOR PRI\'A TEL Y MAI"TAINED DR.AI1'AGE FACLLITIES NO. 13 -WATER QUALITY FACILlTIES (CONTINUED) D.) Wetvaults Maintenance Component Wetvaull Defect Trash/ DEbris Accumulation Sediment Accumulation in Vault Damaged Pipes Access Cover Damaged/ Not Working Vault Structure Damaged Baffles Access Ladder Damage 1998 Surface Water Design Manual Condition When Maintenance is Needed Trash and debris accumulated in vault, pipe or inJeV outlet, (includes floatables and non· floatables). Sediment accumulahon in vault bottom that exceeds the depth of the sediment zone plus 6· inches. Inlet! outlet piping damaged or broken and in need of repair. Cover cannot be opened or removed, especially by one person. Vault: Cracks wider than 1!2·inch and any evidence of soil particles entering the structure through the cracks, or maintenance! inspection personnel determines that the vault is not structurally sound. Baffles corroding, cracking, warping andl or showing signs of failure as determined by maintenance! inspection staff. Ladder is corroded or deteriorated, not functioning properly, missing rungs, has cracks and! or misaligned. A·13 Results Expected When Maintenance is Performed Trash and debris removed from vault. Removal of sediment from vault. Pipe repaired and! or replaced. Pipe repaired or replaced to proper working specifications. No cracks wider than 114·inch at the joint of the inlet! outlet pipe. Vault is determined to be structurally sound. Repair or replace baffles to specifications. Ladder replaced or repaired to specifications, and is safe to use as determined by inspection personnel. 911/98 © 2003 D. R. STRONG Consulting Engineers Inc Tedmicallnformation Report APPENDICES 66 LaFortuna TOVvTlhollses King County, Washington APPENDIX "A" LEGAL DESCRIPTION Parcel 'A' of King County Boundary Line Adjustment Number LOl L0082, as recorded under recording number 20021107900008 in King County, Washington. © 2003 D. R. STRONG Consulting Engineers Inc Technical Information Report 67 LaFortuna Townhouses King County, Washington © 2003 D. R. STRONG Consulting Engineers Inc Technicallnfonnation Report APPENDIX "B" SITE PLAN 68 LaFortuna TO\vnhouses King County, Washington Addendum to Technical Information Report for LA FORTUNA TOWNHOUSES King County Tax Parcel 0739000020 • Renlon, Washington I WIRES I (} -/1-0"1 DRS Project No. 06163.500 King County Project No. B03DC001 Owner/Applicant GMP Homes 11317 NE 120'h Street Kirkland, WA 98034 Report Prepared By Nadeem A Khan D. R. STRONG Consulting Engineers, Inc 10604 N E 38th Place, Suite 101 Kirkland WA 98033 (425) 827·3063 Report Issue Date March 10,2008 Walter Shostak Subject: FW: La Fortuna Vault Attachments: TEMPL 1 BYP doc; Ll BYP bmp From: Walter Shostak Sent: Monday, November 26, 2007 2:23 PM To: 'mike,melns@kingcounty,gov' Cc: 'Lee Brannam' Subject: La Fortuna Vault Hi Mike: Page 1 of 1 The control structure riser has 0 25' of freeboard instead of 05' as per design I've confirmed that the other dimensions are within acceptable design tolerances In order to provide the required freeboard I've re-analyzed the vault performance with 4 40' of detention depth (see attached) I propose to remove 0,35' from the top of the overflow riser, and re-drill the top orifice to be I 3/8", leaving the bottom orifice at 1 3/16" The top orifice height would remain at 3.20', The asbuilt vault would provide the required Levell flow control without further modification, since the vault already included some additional volume The required detention volume with 440' of detention depth is 18,883 cu"1t and the asbuilt volume would be 19,400 cu-It If you have no comments or concerns, we will proceed with the modification and submit a revised asbuilt and volume certification for the vault. Thanks, D.R. STRONG Consulting Engineers Inc. CIVIL ENGINEERS PLANNERS SURVEYORS etease Note: Walter 1. Shostak, P.E. Project Engineer 10604 N E. 38th Place Suite #101 Kirkland, WA 98033 Office: (425) 827-3063 Fax: (425) 827-2423 Tf: (800) 962-1402 The information in this E-mail message, and any files transmitted with it, is confidential and may be legally privileged It is intended only for the use of tile indivldual(s) named above If you are the intended recipient, be aware that your use of any confidential or perSonal information may be restricted by state and federal privacy laws If you, the reader of this message, are not the intended recipient, you are hereby notified that you should not further disseminate, distribute, or forward this E~mail message It you have received this E-mail in error, please notify the sender and delete the material from any computer Thank you 311012008 Retention/Detention Facility Type of Facility: Detention Vault Facili ty Length: Facility Width: Facility Area: Effective Storage Depth: Stage 0 Elevation: Storage volume: Riser Head: Riser Diameter: Number of orifices: Orifice It 1 2 Height I it) 0.00 3.20 65.51 65.51 4292. 4.40 385.77 18883. 4.40 12.00 2 Diameter lin) 1. 1 7 1. 38 Top Notch Weir: None Outflow Rating Curve: None Stage E.levation Storage ft ft sq. ft ft ft cu. ft ft inches Full Head Discharge leFS) 0.079 0.057 Pipe Diameter lin) 4.0 Discharge Percolation 1ft) lit) Icu. it) lac-it) lefs) Icis) 0.00 385.77 O. 0.000 0.000 0.00 0.01 385.78 43. 0.001 0.004 0.00 0.02 385.79 86. 0.002 0.006 0.00 0.04 365.81 172. 0.004 0.007 0.00 0 .. 05 385.82 215. 0.005 0.008 0.00 0.06 385.83 258 .. 0.006 0.009 0 .. 00 0.07 385 .. 84 300. 0.007 0.010 0.00 0.09 385.86 386. O. 009 O. all 0.00 0.10 385.87 429. 0.010 0.012 0.00 0.20 385.97 858. 0.020 0.017 0.00 0.30 386.07 1288. 0.030 0.020 0.00 0.40 386.17 1717. 0.039 0 .. 024 0.00 0.50 396.27 2146. 0.049 0.026 0.00 0,60 366.37 2575, 0.059 0.029 0.00 0.70 386 .. 47 3004. 0.069 0.031 0.00 0.80 386.57 3433. 0.079 0.033 0.00 0.90 386.67 3863. 0.089 0.035 0.00 1. 00 386 7J 4292. 0,099 0.037 0.00 1.10 396.87 4721. 0.10B 0.039 0 .. 00 1. 20 386.97 5150. 0 .. 119 0.041 0,00 1. 30 387.07 5519. 0.128 0.043 0.00 1. 40 387.17 6008. 0.138 0.044 0.00 1. 50 387.27 6439. 0.148 0.046 0,00 1 .. 60 381.37 6867. 0.158 0.047 0.00 1. 70 381.47 7296. 0.167 0.049 0.00 1. 90 38 J. 57 7725. 0.177 0.050 0.00 1. 90 387.67 8154. 0,187 0.052 0.00 2.00 387 .. 77 9583. 0.197 0.053 0.00 2. 10 387.87 9013. 0.207 0.054 0.00 2.20 387 .. 97 9442 0.217 0.056 0.00 2.30 388.07 987L 0,227 0.057 0.00 2.40 388.17 10300. 0.236 0.058 0.00 2.50 388.27 10729. 0.246 0.059 0.00 2.60 388.37 11158. 0.256 0.060 0.00 2.70 388.47 11588. 0.266 0.062 0.00 2.80 388.57 12017. 0.276 0.063 0.00 2.90 388.67 12446. 0.286 0.064 0.00 3.00 388.77 12875. 0.296 0.065 0.00 3.10 388.87 13304. 0.305 0.066 0.00 3.20 388.97 13 733. 0.315 0.067 0.00 3.21 388.98 13776. 0.316 0.067 0.00 3.23 389.00 13862. 0.318 0.069 0.00 3.24 389.01 13905. 0.319 0.071 0.00 3.26 389.03 13991. 0.321 0.074 0.00 3.27 389.04 14034. 0.322 0.078 0.00 3.29 389.06 14120. 0.324 0.082 0.00 3.30 389 .. 07 14163. 0.325 0.084 0.00 3.31 389.08 14 205. 0.326 0.086 0.00 3.33 389.10 14291. 0.328 0.087 0.00 3.43 389.20 14720. 0.338 0.094 0.00 3.53 389.30 15150. 0.348 0.100 0.00 3.63 '389 .. 40 15579. 0.358 0.105 0.00 3. J3 389.50 16008. 0.367 0.110 0.00 3.83 389.60 16437. 0.377 0.114 0.00 3.93 389.70 16866. 0.387 0.118 0.00 4.03 389.80 17295. 0.397 0.122 0.00 4.13 389.90 17725. 0.407 0.126 0.00 4.23 390.00 18154. 0.417 0.129 0.00 4.33 390.10 18583. 0.427 0.133 0.00 4.40 390.17 18883. 0.434 0.135 0.00 4.50 390.27 19313. 0.443 0.446 0.00 4.60 390.37 19742. 0.453 1.010 0.00 4.70 390.47 20171. 0.463 1. 740 0.00 4.80 390.57 20600. 0.473 2.540 0.00 4.90 390.67 21029. 0.483 2.820 0.00 5.00 390.77 21458. 0.493 3.080 0.00 5.10 390.87 21888. 0.502 3.320 0.00 5.20 390.97 22317. 0.512 3.540 0.00 5.30 391. 07 22746. 0.522 3.750 0 .. 00 5.40 391. 17 23175. 0.532 3.950 0.00 5.50 391.27 23604. 0.542 4.130 0.00 5.60 391.37 24033. 0.552 4.310 0.00 5.70 391.47 24463. 0.562 4.480 0.00 5.80 391.57 24892. 0.571 4.650 0.00 5.90 391.67 25321. 0.581 4.810 O. 00 6.00 391. 77 25750. 0 .. 591 4.960 0.00 6.10 391.87 26179. 0.601 5.110 0.00 6.20 391.97 26608. 0.611 5.260 0.00 6.30 392.07 27038. 0.621 5.400 0 .. 00 6 .. 40 392.17 27467. 0.631 5.540 0.00 Hyd Inflow Outflow Peak Storage Stage Elev (Cu-Ft) (Ac-Ft ) 1 0.89 0.76 4. 55 390.32 19548 .. 0.449 2 0.45 0.31 4.H 390.23 19131. 0.439 3 0.45 0.13 4.38 390. 15 18789 .. 0.431 4 0.47 0.12 3.96 389.73 17003. 0.390 5 6 7 8 0.53 0.28 D.41 0.37 0.11 0.06 0.05 0.05 3.76 2.90 1. 75 2.06 389.53 388.67 387 52 387. 83 16128. 12465. 7501. 8827 . Hyd RID Facility Tributary Reservoir POC Outflow Outflow Inflow Inflow 1 0.76 0.09 -A'******* 2 0.31 0.04 ******",* 3 0.13 0.04 "'******* 4 0.12 0.05 ******** 5 0.11 0.05 ***"'**** 6 0.06 0.03 ******** 7 0.05 0.04 ******** 8 0.05 0.04 ******** Route Time Series through Facility Inflow Time Series File:rdin.tsf Outflow Time Series file:rdout poe Time Series File:dsout InflowlOutflow Analysis Peak Inflow Discharge: 0.892 CIS Peak OutflQ\'>' Discharge: 0.756 CIS Peak Reservoir Stage' 4.55 It Peak Reservoir Elev: 390.32 It Target *****'1..->.- ******* 0.16 ***1<*",* ******* 0.09 *****..,* ****-1.'** at 6,00 at 9:00 Peak Reservoir Storage: 19548. Cu-It 0.449 Ac-Ft Add Time Series:bypass.tsf Calc 0.83 0.34 0.16 0.14 0.13 0.09 0.09 0.07 on Jan on Jan 0.370 0.286 0.172 0.203 9 in 9 in Year B Year B Peak Summed Discharge: 0.827 CFS at 9:00 on Jan 9 in Year 8 Point of Compliance File:dsout.tsf Flow Frequency Analysis Time Series File:rdout.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--- Flow Rate Rank Time of Peak (CIS) 0.314 2 2(09(01 16,00 0.054 7 12/28/01 17: 00 0.111 5 2/28(03 7,00 0.049 8 8/26/04 6:00 o 064 6 1/05/05 15:00 0.119 4 1/lB/06 22:00 0.134 3 11/24/06 7:00 0.756 1 1/09/08 9:00 Computed Peaks Flow Frequency Analysis Time Series File:dsout.tsf Project Location:Sea-Tac ---Annual Peak Flow Rates--- Flow Rate Rank Time of Peak ICfS) -----Flow Frequency Analysis------- --Peaks --Rank Return Prob (CIS) (ft) Period 0.756 4.55 1 100.00 0.990 0.314 4,4 G 2 25.00 0.960 0 .. 134 4.38 3 10.00 O. 900 0.119 3.96 4 5.00 0.800 0.111 3. 76 5 3.00 0.667 0.064 2. 90 6 2.00 0.500 0.054 2.06 7 1. 30 0.231 0.049 1. 75 8 1.10 0.091 0.609 4.53 50.00 0 .. 980 -----Flow Frequency Analysis------- --Peaks Rank Return Prob (C,S) Period 0.331 2 2109101 16:00 0.827 I 100.00 0.990 0.072 8 1/05/02 16:00 0.337 2 25.00 0.%0 0.127 5 2128/03 5:00 0.159 3 10.00 0.900 0.085 7 8126/04 2:00 0.1-11 4 5.00 O.BOO 0.081 6 liDS/OS 8:00 0.127 5 3.00 0.667 0.141 4 1/18/06 21:00 0.081 6 2.00 0.500 0.159 3 11/24/06 4:00 0.085 ) 1. 30 0 .. 231 0.827 1 1109/08 9:00 0.072 6 1.10 0.091 Computed Peaks 0.663 50.00 0.960 o Return Penod 10 t 2 5 '10 o rdout.pks In Se8-Tae 20 50 100 + .;,) '" ~ (/) u.. ~ ., -1 E' '10 '" .s::. <> '" Ci I '~ J • dsout.pks " PREDEV,pks • BYPASSpks 2 + • () 0 0 • • <) 5 10 20 30 t o ,) 0 R " + Q 0 0 0 0 • 00 <) • • • • • 40 50 60 70 80 90 95 98 99 Cumulative Probability r-r: • ' c-~' --I-~~~ 1 LOZ6-ZZ8 (5Z1') t'f'086 11M 'ON'1TXdi)/ 'is Hl0Z1 3N Llrli S3J'{OH dJ'{f) , ~e ~b ;....---~-!-. 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WI. 911033 (~) 1127-3D1!3 l-a<X1-1182-1402 ENGINEERS • PLANNERS • SURVEYORS FAX HO: (42S) 827-2,\23 .' ~ '" I gj Q ~S Z o ";.~; e25~ 2;2; g g •• ~ ~ ~ /:. ~." ~§~ ,,>; ~2 §~~ ~!E .... ~ ~8.. ~'" a~ y>~r ~£ £0 i~ '~i e/ §~ 'd~ ~i ~~ :<l~ ~~ i~ 00 <. !":~ o~ ;2 Pii :; "i!",o .., ~ ~ fgN Cff 'SW.' ". !; 1;;# 1ff$ }; ~~~ >~ ~~ ~¥~ 8~ i! ~; ~ .~-~ r , i~~ "" 'I'~I i:; ;~~ ~i ~ I Ji.·' --4~ "Ii" [ " " \\-t!~! I. '" "' ... " " " <, IZ " ell'l\ ;~ 1\ r ~ il !f: P,., § ~d:;j 0 '" n '" "'" ",6 ",,,,tii >-3 ~ i ~ n I~ ~n ,~ '" q ~ "'.... ;!/l'''' : ~ ~. h ~ ~i§ ~ ~ ~ ~~~.. "'~~ ~ ~ " o~ R 5i\",~ '''' !~ i:ll ~ 'l/:I I ~ , 'j I 'I; I ~ 23 ~ k~ ~ §~,. " 6 " -z c ~..,=< '" 1Il?i ~... ~&:~ ~ M r ~~ ~ ~§j; ~ : t ~i ~ii §;" 6'" ~~~ " ~~ ", ;:: ~ . " '"~;;; ~ P! P <'i".... ·'S'" ,~! ;~~ ~ p ~i; , "§, R:9 " ,~ $.- ~q,:-I:~:=i--'~'. 1 II' ~~ ?>SilJ ~ ,::~ SL~ ~~i~ )C f ~.~ :;~ .it" :0" ~':4o 1$ "'r. ~I'l'" 9'" ~--g y LA FORTUNA TOWNHOUSES ROAD AND GRAOiNG PLAN-AS BUiLT 12632 SE PErROVITSKY ROAD PERMIT NO. B03DCOO t ~~il' ~)!! ~~~ ~~ a~8 5~ '" ;;;'< 2d" LQL~,_ -~--=--F -I (': ~&e" I /\ J 1, __ ~ ~ ~ ~ II .., o i~ ~i~ j' ;-----T i ( , r II ~.! I ~ ~". l l~1 1% J; c'n ~,..: ___ I ~~F~ a~· l:;n ~; o. ,-,.0 "' 0"1 'II ~gi ~:!:l ..,(;~ ~ I ~:' ~ , ~ o , Iii !i ~~~ 18~ I;!! '" L' !~! 11, --1/' ~. . ~-----.----- ~% ~"'~ 0 ~~~ '-3 -, iil1~ ~ ~; " ~~ \ CMP HOMES NE 120TH ST. 11317 KIRKLAND, WA 98034 (425) 822-9207 ! ~ o , ~ 00 "<>'1' ~~ " ." ~~ , " '" I< ~ P.1 '" ~q '" <to, " t ~~ ~~ ::;~~i ~":"o ---<P~"' ~~!'!l~ .... ,,~ r , i '" m ~ " .~ " '" ~ !!I {@ Y' gJ::'" f" " .~ 8 ",-< ><",,, '" ~ ~~~ ~~ ~ : 65 " 0" 'I g , ~ ~~i ~~ ~ z S : '" '0 Pc", o "'5" '" :;" til ~~~~:2§(/I· 5i j;~ y~c-~! 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'c 0:;1 , ~~~ :el!l ~~ &~~"'5iE ~ g ~_ N Ii ~~es~~~ ,::"'", '"' 9~g;:;!'l~ i5~~ ~. 0:; .. • ~ ~g;; " ~~ ~:-l~5~~ ::~ ~; ~ ~ , • I'. 2:i2!l t;1~ , • , , 0 0 , '5~ OS § ~ ~ ~ I;: ~~ ga ~ i , , h: ~@ ~ i~~ . , ~ffi 8 ~ " §:£ 3 , , ~ , ~~ T ~~ ;~ '1 w, " 5 ~ . .------ ~ 41 9 1 , ; ~ • , i fJI!J~~~L - - --:c:"L - -__ _ " PRE-APPLICATION FILE LOG Activity Number_-1It'-\-()~\ ~eM'--..!.-,-J.L( ...!.S-____ _ Date received I ~II '1/ \J ) -~~~~~---- Project name -----'lA="+-t---'--'fi--"()'-'-rf_'T_vj-"-N-'-1-+--_---r-------=DvJ~tJ.::....±++__'__"b---'I)-'-'. ~LC..ts"",,,.s~------ Related activity: #-----itfl-~£..l!.IW-¥,f':P'~~~~"'---type __ ~_~....L..-'-----!:.-"'''---''-'..L __ _ #_-+b:;-+--C>_\L..:f_O-----'-I_~'--1__"____ type -----"-\j_()--=-\...-_~ --'f_h------.:r ~~ __ ( #_-------------type ____________ _ Primary contact person Mf=L= bj3-s1 Telephone # 0>52 '5, 1-075 'Fax # ___ _ A. REQUEST FOR REVIEW 1. Application! agenda date received ___ ---'.(Q/=--,{--( ..... I_'-t.L.tf_u----'J'--________ ----; __ _ Plans received, number 3 ~ fL--¥\ Date received \.?/ J 'f' ) i)) 110 S 1 f"'( P. to I...-/'WS _--'---I-_-L----L-_ 2. 3. Other documents received: TIR ~ Geo report ___ Wetland report ___ _ c SEP A Checklist __ () __ _ Water Cert. ____ Sewer Cert. ____ Structural Cals. __ __ Other ____ _ 4. Memo to staff for meeting date I, ')..-4 I if \) I ( I kf' "t I \)1) 5. Letter to applicant confirming meeting date (2c ( 11 [ \) [ ( !2-j14 f oj J B. STAFF REVIEW 1. Field request: Yes ~ No a. Memo to field investigation (date) _________________ _ b. Field report received J 2,...-2] -f) i Distributed to team _--=:.. ___ _ C. Pictures: Yes""""'--No ___ (numberofsets_---l __ ~) 2. Other investigation request Yes ___ No ____ _ C, MEETINGS 1 . Meeting date I r ~l 02 ~J :~()f-1 date minutes received attendance log 2. Meeting date date minutes received attendance log 3. Meeting date date minutes received attendance log 4. Meeting date date minutes received attendance log D. CORRESPONDENCE: SUBJECT DATE TO FROM I • • • D.R. STRONG Consulting EngineerS Inc. CIVIL ENGINEERS· PLANNERS' SURVEYORS Luay R. Joudeh, P.E. President 10604 N.E. 38th PI-#101 Kirklami, WA 98033 T: (425)827-3063· F: \425) 827-2423 \_800-962-1402. C: (206) 595-2747 \U,aY_Joudeh@drstrong.com .' • • DRAFT LA FORTUNA TOWNHOUSES LEVEL ONE DOWNSTREAM ANALYSIS Preparedfor: K-Best Construction, Inc. 4801 Storm Lake Road Snohomish, W A 98290 Prepared by D. R. STRONG Consulting Engineers Inc. 10604 N. E. 38th Place, Suite 101 Kirkland, W A 98033 November 30,2001 ~~(C~~~~ru DEC 1 4 2001 L!::V K.C. D.D.E.S. LEVEL ONE DOWNSTREAM ANALYSIS TABLE OF CONTENTS 1. NARRA TfVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 II. UPSTREAM TRIBUTARY AREA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 III. SITE DRAINAGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 fV. DOWNSTREAM ANALYSIS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V. REVIEW OF EXISTING RECORDS. . . . . . . . . . . . . . . . . . . . . . . . . . . 10 VI. CONCLUSION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 LIST OF FIGURES FIGURE DESCRIPTION 1 2 3 4 5 6 7 8 VICINITY MAP ......................................... . SITEMAP ............................................. . USGS MAP ............................................ . STREAMS AND IOO-YEAR FLOOD PLAINS ................ . WETLANDS ............................................ . EROSION HAZARD AREAS .............................. . LANDSLIDE HAZARD AREAS ............................ . SEISMIC HAZARD AREAS ............................... . APPENDICES APPENDIX "A" APPENDIX "8" APPENDIX "C" DOWNSTREAM MAP & TABLE ......... . SCS SOILS MAP & DESCRIPTION ....... . DRAINAGE COMPLAINTS ................. . 4 5 6 12 13 14 15 16 17 19 20 PROJECT # 01-261 LEVEL ONE DOWNSTREAM ANALYSIS DISCLAIMER: This report was prepared at the request of K-Best Construction, Inc, for the 4,51 acre parcel located at 12632 Petrovitsky Road (Site), D, R, STRONG Consulting Engineers Inc. (DRS) has prepared this report for the exclusive use of DRS, K-Best Construction, Inc, and its agents, for specific application to the development project as described herein. Use or reliance on this report, or any of its contents for any revisions of this project, or any other project, or by others not described above, is forbidden without the expressed permission by DRS I. NARRATIVE This Level One Drainage Analysis was prepared in accordance with the 1998 King County Surface Water Design Manual (SWDM), The proposed development (Project) will consist of a 47-unit townhouses on a 4.51 acre parcel, which will add approximately 87,812 square feet (s,f) of new impervious surface, A Site and downstream field evaluation was perfonned on November 21, 2001 under rainy weather conditions. For the purpose of this analysis the Site will consist of the northern half of Tax Parcel #'s 073900-0015 and 073900-0020 and the northern 340 feet of Tax Parcel # 073900-0026. These parcels are currently being reviewed for a Boundary Line Adjustment. The existing Site is undeveloped. The Site has two Natural Discharge Areas (NDA) which join paths within a quarter mile of their discharge location trom the Site, Therefore, we have two NDA which are located in a single Threshold Discharge Area (TDA "A") (see Appendix "A" "Downstream Map"), Both of the NDA's downstream paths were studied during the field visit. The downstream path from NDA #1 on the west shall be considered the main natural discharge point. NDA #l's surface runoff begins on the Site as southwesterly sheet, then is eventually discharged into the southerly flowing channel located near the western boundary of the Site. The downstream path from NDA #2 leaves the Site at Point "A2", and meets up with downstream path ofNDA #1 via a manhole which is located approximately twenty feet downstream of Point "B". The "Downstream Analysis" in Section IV describes the two downstream paths in more detail. ©2001 D. R. STRONG Consulting Engineers. Inc. Levell Drainage Analysis J La FORTUNA Townhouses Renton, Washington --_ .... _--_ .. .02001 D. R. STRONG Consulting Engineers, Inc. Levell Drainage Analysis FIGURE 1 VICINITY MAP 4 La FORTUNA Townhouses Renton, Washington i< ~ j ?<1 m .-i-' I~ .. ~. Cl:l (I) c ...... m ~ :.........~ £I' en ;;;; ;-1 • 102001 D. R. STRONG Consulting Engineers, Inc. Level I Drainage Analysis FIGURE 3 USGS MAP 6 La FORTUNA Townhouses Renton, Washington ©200t D. R. STRONG Consulting Engineers. Inc. Levell Drainage Analysis FIGURE 2 SITE MAP 5 La FORTUNA Townhouses Renton, Washington S.E. 172 STREET EX. R/oJ FACILITY ~ 1----1 , ,.......--1 l1:~6 'Ii v"- , , ± 225' I :~I~~I a 100' 200' SCALE: 1" = 100' La FORTUNA TOWNHOUSES SITE MAP DRAWN MAE DATE 11 29-01 JOB NO. 01-261 ± 150 CHECKED WJS SCALE 1" = 100' SHEET 1 OF 1 I~' '" ;===:1r---WETlAND ·C·, TO BE FILLED '/.0' ~ liLt , I ' ~~~ 7 !1t"E C ± 150 -- --------------------.. COPYRIGHT @)200', C.R, STRONG CONSULnNG ENG •• INC. 10604 NE 38th PLACE, SUITE 101 KIRKLAND, WA 98033 ENGINEERS • PLANNERS • SURVEYORS (425) 827-3063 1-800-962-1402 FAX NO, (425) 827-2423 II. UPSTREAM TRIBUTARY AREA In evaluating the upstream area, we reviewed the USGS maps (see figure 3), the existing topographic surveys, and visited the Site. From the USGS maps it appears that the upstream tributal)' area was approximately II acres. Based on the existing topographic surveys and the Site visit it appears that approximately 7 acres of the developed upstream runoff is collected and conveyed to the Site, where it is discharged into a retention pond located in the northwest comer of the Site. This retention pond then conveys the runoff to the south as channel flow to Point "A", where it exits the Site. The remainder of the upstream area directs the majority of the surface runoff water to the eastern boundal)' of the Site. From there the runoff is conveyed through the Site and exits at Point "A2". III. SITE DRAINAGE The King County Sensitive Area Map Folio (1990) indicates that the Site's downstream path is within one mile of an erosion hazard area, Class 2 Stream with Salmonids, 100-year floodplain, and seismic hazard area. Soos Creek Wetland No. 104's north end appears to infringe on the Site's southwest comer, and continues south until S.E. Petrovitsky Road. The Site is best described as being divided into two NDAs found within one TDA. The TDA of the Site is approximately 4.7 acres. NDA #1 encompasses approximately 3.3 acres or the western two-thirds of the total Site, and has slopes ranging from less than one percent on the western portion to no more twenty percent on the extreme northeastern portion. Within NDA #1 there are two wetlands as well as a retention pond. The wetland (Wetland "A") on the west side begins approximately 100 feet east of the northwest comer of the Site and runs southeasterly to approximately the midpoint of the west property line where it reaches it's maximum distance of approximately 235 feet off the west property line. From there the wetland continues down to the south to where it meets the south property line approximately 125 feet east of the southwest comer of the Site. The approximate area of Wetland "A" is 54,400 S.F. The second wetland (Wetland "8") encompasses approximately 1,700 S.F. and is located approximately 100 feet south of the north property line, as well as, 270 feet east of the west property line. Runoff generated from Wetland "B" will sheet flow in a southwesterly direction to Wetland "A". From Wetland "A" the runoff produces a southwesterly sheet flow until it meets up with the southerly flow channel that exits the retention pond. The retention pond is located within northern portion of Wetland "A", approximately twelve feet south of the north property line and about eighty feet east of the west property line. The surface water that is collected upstream of the Site and conveyed to this pond, eventually exits to the south as channel flow. This predominately southern flowing channel incorporates several minor directional changes before it exits the Site at Point "A". NDA #2 encompasses approximately 1.4 acres or the southeast one-third of the Site, with the approximate slope of ten percent. Within NDA #2 there is wetland (Wetland "C") with an approximate area of 2,600 S.F. Wetland "c" is located approximately forty-five west of the east property line and 1 00 feet north of the south property line. The runoff that is generated from Wetland "C", as well as NDA #2 produces a southwesterly sheet flow to where it exits the Site at Point "A2". ©200l D. R. STRONG Consulting Engineers, Inc. LeveJ 1 Drainage Analysis 7 La FORTUNA TO\.Vllhouses Renton, Washington The Project is required to meet the Level One Flow Control and Basic Water Quality Treatment criteria. Runoff from the Site's impervious surfaces will be collected on-site, treated for water quality, detained, and released per the level of control. IV. DOWNSTREAM ANALYSIS The downstream analysis is further illustrated and detailed in the Downstream Map and Downstream Table located in Appendix A. The downstream area was evaluated by reviewing available resources, and by conduction a field reconnaissance. NDA#I The downstream analysis began at Point "A" located approximately 36 feet east of the southwesterly most comer of the Site. The runoffleaves the Site as southerly channel flow. The channel properties are best described as two to four feet wide, one to three feet deep, with a trapezoidal shape, and no vegetation on the bottom. The channel continues in a southerly direction to Point "B" for approximately 445 feet, at a slope close to 2%. There was a flow present. (0' -445') At Point "B" there are two 36" culvert (CMP & CPEP) conveying the runoff under S.E. Petrovitsky Road. The culverts were equipped with debris racks. Flow from NDA #2 is discharged into the flow path of NDA #1 via a manhole located in line with the easterly 36" CMP, which is located approximately twenty feet downstream of Point "B". The downstream path of NDA #2 will be terminated at Point "B". (445 ') From "B" to "C" the flow changes to southerly pipe flow for approximately I 00 feet with a slope close to 2%. There was a flow present. (445' -555') Point "c" is located just south ofS.E. Petrovitsky Road's right-of-way. The 36" culverts discharge into a southerly flowing channel. (555') From "C" to "D" the flow changes to southerly channel flow for approximately 990 feet with a slope near 2%. There was a flow present. The channel is six to eight feet wide, two to four feet deep, trapezoidal in shape, and no vegetation on the bottom. (555' -1545') Point "D" is where the downstream path joins up with Big Soos Creek, as well as, where the downstream analysis for this Project was terminated. NDA#2 The downstream analysis for this portion of the Site starts at Point "A2", located approximately 112' feet west of the southeast most comer of the Site. The runoff travels approximately 45 feet as southwesterly sheet flow at a slope near 2% to "B2". The area was wet. (0' -45') ©2001 [). R. STRONG Consulting Engineers, Inc. Levell Drainage Analysis 8 La FORTUNA Townhouses Renton, Washington Point "B2" is where the runoff is discharged to a pond. This pond is approximately 80 feet long (north- south) and forty feet wide (east-west). (45') From "B2" to "C2" the runoff passes through a pond in southwesterly direction for approximately 35 feet. (45' -80') Point "C2" is located approximately at the midpoint of the west bank of the pond. At this point the runoff is conveyed in a pipe to the southwest. (80') From "C2" to "D2" the flow changes to southwesterly pipe flow through a 12" RCP for approximately 65 feet at a slope near 2%. (80' -145') At Point "D2" the pipe discharges into another pond. The dimensions of this pond are approximately 120 feet long (north-south) by 50 feet wide (east-west). Point "D2" is located roughly 30 feet south of the north end of the pond. (145') From "D2" to "E2" the runoff passes through a pond in southerly direction for approximately 80 feet. (145' -225') At Point "E2" the runoff enters a 12" RCP with a debris rack. (225') From "E2" to "F2" the flow changes to southwesterly pipe flow for approximately 75 feet at a slope close to 2%. (225' -300') Point "F2" is a catch basin with a solid locking lid. (300') From "F2" to "G2" the flow changes to southerly pipe flow for approximately 40 feet at an unknown slope through a 12" RCP. (300' -340') Point "G2" is a catch basin with a solid locking lid. (340') From "G2" to "B" the flow changes to westerly pipe flow through a 12" Rep for approximately 150 feet at an unknown slope. (340' -490') Point "B" the downstream path of NDA #2 joins the downstream path ofNDA #1. (490') ©200t D. R. STRONG Consulting Engineers, Inc. Levell Drainage Analysis 9 La FORTIJNA Townhouses Renton, Washington V. REVIEW OF EXISTING RECORDS A review of the King County Water and Land Resources Division ~ Drainage Services Section Documented Drainage Complaints within one mile of the Site revealed nine total complaints. Of those nine complaints only two complaints were relevant to the Site and it's downstream path. One of the two complaints was related to the dumping of gasoline, back in September of 1997, into the existing retention pond located on Site. The other one was filed on December 11, 1996, located approximately 240 feet south of S. E. Petrovitsky Road (or Point "C"), and was related to the standing water on the lawn of a downstream property. The above two drainage complaints are located in Appendix C ~ "DRAINAGE COMPLAINTS". Included are sections of the King County Sensitive Areas Map Folio, which indicate the following: • Streams & 100 Year Floodplains: South of the Site approximately one-third of a mile downstream there is a Class 2 Stream with Salmonids known as Big Soos Creek. There is also a 100-Year Floodplain located approximately one~eighth ()fmile downstream of the Site." • Wetlands: There are three ·wetlands within one mile downstream of the Site. Soos Creek Wetland No. 104's northern tip is located near the southwest corner of the Site. The second one is Soos Creek Wetland No. 13-B is located approximately one-eighth of mile downstream of the Site. Soos Creek Wetland No.2 is located approximately three quarters of a mile downstream ofthe Site. • Erosion Hazard: There is a mapped erosion hazard area located approximately one half of mile downstream of the Site. • Landslide Hazard: There are no mapped landslide hazard areas within one mile of the downstream path. • Seismic Hazard: There is a mapped seismic hazard area located approximately one-eighth of a mile downstream of the Site. ©2001 D. R. STRONG Consulting Engineers, Inc. Levell Drainage Analysis 10 La FORTUNA Townhouses Renton, Washington VI. CONCLUSION Project runoff will be collected on-site, treated for water quality, detained, and released as per the 1998 King County Surface Water Design Manual Flow Control requirements. During construction, standard sediment and erosion control methods will be utilized. This will include the use of a stabilized construction entrance, a perimeter silt fence, straw bales, catch basin inserts, sediment traps, and other necessary measures to minimize soil erosion during construction of the 47-unit townhouses. In general our analysis did not reveal any significant downstream problems. Drainage complaints filed within the last five years do not indicate substantial drainage problems. ©2001 D. R. STRONG Consulting Engineers. Inc. Levell Drainage Analysis II La FORTUNA Townhouses Renton, Washington FIGURE 4 STREAMS & lOO-YEAR FLOODPLAINS ©2001 D. R. STRONG Consulting Engineers, Inc. level 1 Drainage Analysis 12 La FORTUNA Tov.rnhouses Renton, Washington (92001 O. R, STRONG Consulting Engineers. Inc. Levell Dramage Analysis FIGURE 5 WETLANDS 1 J La FORTUNA TO\l\fTlhouses Renton, Washington FIGURE 6 EROSION HAZARD AREAS .02001 D. R. STRONG Consulting Engineers, Inc. LAwel 1 Drainage Analysis 14 La FORTUNA Townhouses Renton, Washinglon , .' '.: J , , . ~~. ~'} . I. t' FIGURE 7 LANDSLIDE HAZARD AREAS Iw.'.~.~'··~ l-· ::~~~ ©2001 D. R. STRONG Consulting Enginee.-s, Inc. Levell Drainage Analysis 15 .~' \ \, \ La FORTUNA Townhouses Renton. Washington FIGURE 8 SEISMIC HAZARD AREA ©2001 D. R. STRONG Consulting Engineers, Inc. Level 1 Drainage Analysis 16 La FORTUNA Townhouses Renton, Washington APPENDIX "A" DOWNSTREAM TABLE & MAP ©2001 D. R. STRONG Consulling Engineers, Inc. Level I Drainage Analysis 17 La FORTUNA Tov.rnhouses Renton, Washington Surface Water Design Manual, Core Requirement #2 DOWNSTREAM PATH NATURAL DISCHARGE AREA #1 BASIN -GREEN RIVER BASIN Symbol I)rainage Drainage Component Component Type. Description ........ Name, and Size .. ..... .. ' TyPe:-sheet -flow" swale . ; ." .' see map ,-stream, channel. pipe. drainagci basin, vegetatioil,:f:;ovtr",'" " -:: .. ' .. ,'pond;, Size: diaUtetef depth~,type ()herl~itive a~;:~oi'~-~--:,_-_;:-:::; -;':: :r·.· s~:rfa6e a+e~ :->,' :;', 'v' ..••• \.; ................. A-B SOUTHERLY CHANNEL CHANNEL PROPERTIES: 2'-4' WIDE, 1 '·3' FLOW DEEP, WITH A TRAPEZOIDAL SHAPE, AND NO VEGETATION ON BOTTOM. FLow WAS PRESENT. BoC SOUTHERLY PIPE FLOW 2 -36" CULVERT, WESTERLY ONE IS A CPEP, AND THE EASTERLY IS A eMP, BOTH WITH A DEBRIS RACK. FLOW WAS PRESENT. CoD SOUTHERLY CHANNEL CHANNEL PROPERTIES: 6'·8' WIDE, 2'·4' fLOW DEEP, TRAPEZQ(OAL IN SHAPE, AND NO VEGETATtON ON THE BOTIOM. FLOW WAS PRESENT. ~ ©2001 D. R. STRONG Consulting Engineers [nr. Level One Drainage Analysis Slope Distance Existing . Potential I' from site Problems Problems ! '. '., discharge . .... . '.';' ";' Iv .. ' '. ;. ci:mstrictioris, under capacity; <'ponding. 11~? 114 ';;;~I,326 ft . overtopping." -fl~ing; babi~r :or::_,_:-cir~i-~ .';. "v;xi .9e5l'r\1Ction;-:, scouring, ~ '\>ank _:--stobgh1ng~-_-_ I"i ". . •.... Sedirnen'lation, incishin';bthbr ehJ~j6_h-: 2 0' -445' NONE OBSERVED NONE ANHCIP ATED 2 445' NONE OBSERVED NONE ANTICIPATED 2 455' ~ 1545' NONE OBSERVED NONE ANTICIPATED lof3 Observations of field inspector resource reviewer, or resident . tributary area, likelihood of problem, ,overflow pathways, pot'ential impacts. ... '. POINT "B" [S WHERE THE DOWNSTREAM PATl! FROM NDA #2 JOrNS NDA #1. POINT "D" THE SITE'S DOWNSTREAM PATH JOINS BIG SOOSCREEK AND THE ANALYSIS WAS TERMINATED. La FORTUNA TOWNHOUSES Renton, Washington BASIN -GREEN RIVER BASIN Surface Water Design Manual, Core Requirement #2 DOWNSTREAM PATH NATURAL DISCHARGE AREA #2 Symbol ... . Drainage Drainage Component Slope Distance . Existing Component Type, Description ". > Fromsite Problems . Name, and Size '. • .. ' . Discharge . . '.' Potential '. Problems.' •..• .' .... ;. " . ••••••• ,~ype, sheet flow,' swaJe ..... " . •••••••••••••• . . ... conslrictions. .,uider ,<',capacity, ponding, see:map ,_~tream;-.c,_el. pipe, dramage basin. ve~tiOfit cover, :,< \' pond; Size; diitme'ter " •• •••••••••••••• depth, Iype Of'ensillve area~V01U~ •• s"nace'~ . ...... . A2-B2 SOUTHWESTERLY SHEET UGHT WOODS WITH NATIVE GRASSES FLOW COVER TI rE GROUND. AREA WAS DRY 82 SURF ACE RUNOFF PONLJ SURFACE IS APPROXIMATELY 80' ENTERS A POND LONG BY 40' WIDE. B2-C2 OPEN BODY OF WATER THE SHORTEST DISTANCE THAT SURfACe (POND) WATER CAN TRAVEL BEFORE EXITING THE POND IS APPROXIMATELY 35'. C2 SURFACE WATER. EXITS THIS POINT IS LOCATED NEAR TIlE THE POND MIDPOINT OF HIE WEST BANK OF THE POND. C2-1)2 SOUTIIWESTERLY PIPE 12" RCP. FLOW WAS PRESENT. fLOW D2 SURFACE RUNOFf' POND SURFACE IS APPROXIMATELY 120' ENTERS A POND LONG BY 50' WIDE. D2-E2 OPEN BODY OF WATER THE SHORTEST DlSTANCE THAT SURFACE (PUND) WATER CA..l>.I TRAVEL BEFORE EXITING THE POND IS APPROXIMATELY 80'. E2 SURFACE WATER EXITS Tms POINT IS LOCATED NEAR THE THE POND SOUTHWEST CORNER Of THE POND. E2-F2 SOUTflWESTERL Y PIPE IT RCP. FLow WAS PRESENT. FLOW F2 CATCH BASIN CATCH BASIN WrnI SOLID LOCKING UD @200l D. R. STRONG Consulting Engineers Inc. Level One Drainage Analysis 114mi~1,320ft 'overtopping. flOoding, 'tulbitat. or:_:,(nprtism, .. ·.··.·.;t;i ..• .... . destrUction, : scouring, • bank • sloughing, I···· ". . ....... sedtmeritatioo-~-incisiori:. :other erostmr' 2 0' -45' NONE OBSERVED NONE ANTICIPATED 45' r-.:ONE OBSERVED NONE ANTICIPATED NA 45' -80' NONE OBSERVED NONE ANHCIPATED 80' NONE OBSERVED NONE ANTICIP ATED 2 80' -145' NONE OBSERVED NONE ANTICIPATED 145' NONE OBSERVED NONE A..VnCIPATED NA 145' -225' NONE OBSERVED NONE ANTICIPATED 225' NONE OBSERVED NONE ANTICIPATED 2 225' -300' NONE OBSERVED NONE ANTICIPATED 300' NONE OBSERVED NONE AWI'ICfPATED - 2or3 . Observations of field inspector resource reviewer! or resident . . ~butary area, Hkelihood of problem, oyeJi)ow pathways, potential impacts. .... La FORTUNA TOWNHOUSES Renton, Washington I BASIN -GREEN RIVER BASIN Surface Water Design Manual, Core Requirement #2 DOWNSTREAM PATH NATURAL DISCHARGE AREA #2 symbol Drainage Component Type, Name, and Size . Drainage Component. Slope ·.1. D.iS. tance Existing . Potential Observations of field inspector see map F2-G2 G2 G2-B Typd. SMtt flow. swille s~ channel, pipe.·~ pond;'Size: diameter surface area SOUTHERLY PIPE FLOW CATCH BASIN WESTERLY PIPE FLOW Descriptiob. &ainage ba:sin. vegetatiOn, c!Jver, dq,th, 'type of sensitlv~ area,' 'vol.ume . . . , . 12-' RCP. CATCH BASIN WITH SOLID LOCKING LID 12" RCP. @2001 O. R. STRONG Consulting Engineers Inc. Level One Drainage Analysis . :From site Problems }>rQbl¢ms resource reviewer, or resident .. Discharge UNK. 300' -340' 340- UNK. 340' -490' 30f3 --- ,~onstricti9ns, under capacity, ponding. : q~ertQPPlng, flooding,' ,.habitat or. organism -destruction, ·-·scouring,'" bank sloughing~ :Se:di°mWtatioti;"ihCision';'~ther erOsion ' NONE OBSERVED NONE ANTICIPATED NONE OBSERVED NONE ANTICIPATED NONE OBSERVED NONE ANTICIPATED tributary area, likelihood of problem, overtlow pathways. pOtenJial impacts. AT THIS POINT IS WHERE NDA #2 JOINS THE DOWNSTREAM PATH OF NDA#l. La FORTUNA TOWNHOUSES Renton, Washington ©2001 D, R, STRONG Consulting Engineers, Inc, Level I Drainage Analysis DOWNSTREAM MAP 18 La FORTUNA Townhouses Renton, Washington /-------1 r:--:---""'-----" DEVELOPED UPSTREAM I TRIBUTARY AREA I NDA #1 A --------- NDA #2 I / ,/ J - / ----------------- / - I / / / --- -I o 200' 400' SCALE: 1" = 200' COPYRIGHT @ 2001. D.R. STRONG CONSULTING ENG., INC. La FORTUNA TOWNHOUSES fjnS/ D. R. STRONG t-__ D_O_WN __ S_TR_E_A_M_F_L_O_W_P_A_TH ___ -I ~ Consulting Engineers Inc. DRAWN MAE DATE 11-29-01 JOB NO. 01-261 CHECKED WJS SCALE 1" = 200' SHEET OF 1 10604 NE 36th PLACE, SUITE 101 KIRKLAND, WA 96033 ENGINEERS • PLANNERS • SURVEYORS (425) 827-3063 1-800-962-1402 ,AX NO: (425) 827-2'23 APPENDIX "B" SCS SOILS MAP & DESCRIPTION ©2001 D. R. STRO~G Consulting Engineers, Inc. Levell Drainage Analysis !t;;.~;' ." *~. 19 La FOKruNA TO'M1houses Renton, Washington ermeability is moderately rapid in the surfae and subsoil and very slow in the substrat penetrate easily to the consolidated subs ere they tend to mat on the surface. So enter the substratum through cracks. n top of the substratum in winter. paei ty is low. RlU10ff is slow to hazard of erosion is moderate. oil is used for timber, pasture, and row aps, and for urban development. uni t IVe-; woodland group 3dl. Alden,'o d gravelly sandy loam, 0 to 6 slopes CAgB .--This soil is nearly leve and undulating. It is simi lar to Alderwood gravelly sandy loam, to 15 percent slopes, bu in places its surface yer is 2 to 3 inches thO ker. Areas are irregular 'n shape and range fro slightly more an 600 acres in size Some areas a e as much as IS per ent included Norma, Bellingh ,Tukwila, and Sh car SOils, all of which are poo y drained; and the vicini ty of Enurnc aware as much Buckley soils. Runoff is slow, n hazard is slight. This Alderwood 50'1 is used for timber, pasture, berries, and row cro ,and f urban development. Capability unit IVe-Z woodl d group 3dZ. Alderwood gravelly andy oam, IS to 30 ercent slopes (AgD). --Depth to th substratum in this soil varies within short dis es, but is commonly about 40 inches. Areas e elongated and range from 7 to about 250 acre in size. Soils included with I soil in mapping make . up no more than 30 perc nt f the total acreage. Some areas are up to 2 per ent Everett soils that have slopes of IS to .per nt, and some areas are up to 2 percent Bell' gham, rma, and Seattle soils~ which are in depress ons, So e areas, especially on Squak Mountain, , Newcastr Hills, and north of Tiger Mountain, ar and Ovall soils. Beausi te and Ovall soils b Runoff is med' m, and the ero 'on hazard is severe. The sl' page potential i moderate. This Alderwo d soil is llsed mas ly for timber. Some areas on of s pes are used for pasture. woodland group 3d!. and Kitsap soils, very s ee CAkF) .-- unit is about SO percent lderwood gravelly 5 ndy loam and 25 percent Kit p silt loam. es are 25 to 70 percent. Di tribution Is varies greatly wi thin short distances. 15 percent of Some mapped areas's an include, unnamed, very deep, moderately oarse textur a soil; and about 10 percent of sam is a ry deep, coarse-textured Indianola 10 D~ inage and penneabi lity vary. Runoff rapid v ry rapid, and the erosion hazard is sev re to severe. The slippage potential is seve hese soils are used for timber. Capabili t VIIe-l; woodland group 2dl. Arents, Aldert'lood ~laterial , AldeI1lioad material consists o:E AIde wODd soils th have been so disturbed through urb n- ization t. at they no longer can be cIassifie with the Alderh' od series. These soils, however many simi 1 The upper part of to a depth inches, is brown t brown gravel sandy loam. Below this is a grayish- brOl.;n. consol dated and impervious subst atum. Slopes genera y range from 0 to IS per ent, These soils re used for urban deve pment. Arents, Alder ercent slopes (~B).--ln many a result of shaping facilities. Areas evel, as a uring construct' on for urban in shape and o to 26 inches, dark-br sandy loam, pale b 01 massive; slightly h sticky, nonplastic; abrupt. smooth bou OYR 4/3) gravelly (IOYR 6/3) dry; I very friable, non- roots; medium acid; 23 to 29 inches thi ck. 26 to (2.5Y 5/Z) weakly consolidated glacial y (2.5Y 6/Z) dry; mottles of yellowish The upper, ver}, soil extends to a depth of 20 0 40 inches and anges from dark grayish brOlVJ1 to dark yellowish br Some areas a e up to 30 percent that are simil to this soil mater 1, but either eper over the compact substratum; are 5 to 10 percent ve y gravelly Everett soil and sandy Indianola soi ts, Alderwood soil is mode tely well rrneability in the upper, di turbed soil moderately rapid to maderat y slow, on its compaction during canst etion. ratum is very slOlYly permeable. penetra e to and tend to mat on the surfac consol' ated substratum. Some roots enter subst twn through cracks. Water moves on of the s bstratum in winter. Available water c acity Runoff is slow, and the erosion haza d is soil is used for urban development. p woodland group 3d2. Arents, AldeTl~ood material, 6 to IS percent slopes CAmC) .--This soil has convex slopes. Areas are rectangular in shape and range from 10 acres to about 450 acres in size, Some areas are up to 30 percent included soils that are similar to this soil material, but either shallower or deeper over the compact substratum; and some areas are 5 to 10 percent very gravelly Everett soils and sandy Indianola soils. Runoff is medium, and the eros ion hazard is moderate to severe. This soil is used for urban development. Ca- pability unit 1Ve-2; \,·oodland group 3d2. Arents, Everett material (An). --This is a Ie gently sloping, dark-brown gravelly aT very gr ~elly sandy loam. It is very similar to E gra elly sandy loam (see Everett series), bu has een disturbed and altered through urba ent. Multicolored very gravelly coar e sand depth of 8 to 40 inches. Areas ngular in shape, and range from size. ntative profile of Arents, Ev homesite, 440 feet \«·est center of sec. 11, T. 24 ., R. 6 o to 8 inche , dark-brown (7,5YR 3/4 gravelly sandy I am, brOlo,Pn (7.5YR 5/4) dry; massive; soft, v y friable, nonstick, nonplastic; few root . 30 percent content; slightly id; clear, smoo boundary. 8 to 14 inches ick. 8 to 60 inches, (2,5Y 5/2 an sand, light (2.5Y 7/2 and nonsticky, non grave 1 and 10 medium acid. This soil is some effective rooting d Permeabi Ii ty is is low. RLUlOff is Slight. This soil is pabil i ty uni t I light olive-brown ravelly coarse ht yellowish brown single grain; loose, few roots; ss percent cobblestone content; ranges from dark gravelly sandy loam The substratum ranges drained. TIle or more. for urban velopment. Ca- woodland gro Beausite Series ite series is made up II-drained are underlain by sandstone a depth o inches. These soils formed ·n glacial They are rolling to very stee. Slopes 75 percent. The vegetation is a er, fiT, cedar~ and associated brush and shrubs. e annual preci i tat ion is 40 to 60 inches, and the m an temperature is about 50° F. The fros n ranges from 160 to 190 days. E1evati to 2,000 feet. In a representative profile, the surface la d the upper part of the subsoil are dark-brow yellQl.,,·ish-brown gravelly sandy loam th to a depth of about 19 inches. The 10 the subsoil is olive-brown very grave cam. Fractured sandstone is at a dep inches. ite soils are used for timber and p s have been us ed for urban develo more in siz Represen sandy loam, 570 feet sout acres or Slopes are long and conv x. tive profile of Beausite avelly to 15 percent slopes J i woodland, and 800 feet east of t e northwest N" R, 6 E. 01--2 inches to leaf litter. 02--1/2 inch to decomposed leaf litter AI--O dark-brown (1 'R 3/3) gravelly ) dry; weak, fine, very friable, ny roots; slightly 5 to 7 inches lowish-brown (lOYR 4/4) ight yellowish brown e; soft, very friable, many roots; slightly B22--l9 to 38 inches, a gravelly sandy 1 ar boundary. 10 ~to 15 The A hori zon r nges from ve brown to very dar brown and dar horizon ranges f m dark grayish yellowish brown nd olive brown. and very gravel y sandy loam and gr ve1ly loam. Depth to sands ne ranges from 20 t Some areas re up to 20 percent i \>.'Ood soils, \ol ich have a consolidated ubstratum, and Ovall so s, which are underlain b andesite; a 5 percent the wet Norma nd Seattle soils; sam are up to 5 percent Beausit soils that have a gra elly loam surface layer and 5 bsoil; and to 10 percent soils that imilar to oils, but are more than 40 deep stone. penetrate easily to bedrock and en ks in the bedrock. Permeability is ely rapid. Available water capacity is medium, and the hazard of erosion mode ate. is soil is used for timber and n development. Capability unit up 3d2, 11 to 12 inches, very dark grayish-brown (lOY 3/2) silt loam, grayish brown (lOYR 5/2) oderate j mediuffij crJrnb structure; slig rd, very friable, nan~ticky. nonplas'" .c; y roots; strongly aCId j abrupt, sm tn dary. 10 to 12 inches thi ck. 30 inches, dark grayish-brown 4/2) sil t oam and loamy sand, light br mish gray (2.5Y /2) dry; many, medium. pro inent, brown (7.5YR /4), strong-brown (7.SY 5/6), and dark-br (7.5YR 3/2) mottles strong brOl<TI (7.5YR 5 ) dry; massive; sli tly hard, fri- able, non icky. nonplastic; ommon roots; neutral; c ar, smooth boun ry. 16 to 20 inches thicK B22--30 to 60 inche , loam and silt dry; many. medi ish-red (SYR 4/8 5/6, 5/8, 4/6) dr (SY 4/2) fine sandy sh brown (2. 5Y 5/2) very friable, nons roots; slightlY ac' The A horizon range grayish brown. The silty clay loam, loamy sand. Some are as of black to very dark stratified wi th sandy 10aID j and to 5 percent t soilsj and so e are up to 10 percent Belling soils. Also in luded are small areas of Samm lsh soils where the rface layer is fine sandy 10 where it is silty clay am. Permeab' ity is moderately slow. re is a sea- sana.! hig water table at a depth of 2 feet. In drained eas, the effective rooting is 60 In undrained areas, g depth Available water capacity i high. Runof is slow. and the 'erosion hazard is s . ght. Floo ing is a hazard. is soil is used for row crops and pastur ility unit IIw-2; woodland group 3wl. Seattle Series The Seattle series is made ~p of very poorly drained organic soils that formed in material derived primarily from sedges. These soils are in depres- sions and valleys on the glacial till plain and also in the river and stream valleys. Slopes are 0 to 1 percent. The annual precipitation is 35 to 50 inches, and the mean annual air temperature is about 50° F. The frost-free season is 150 to 250 days, Elevation ranges from about sea level to 1,000 feet. In a representative profile, the surface layer is black muck about 11 inches thick. It is underlain by dark reddish-brown, black, very dark brown. and dark-brawn muck and mucky peat that extends to a depth of 60 inches or more. If drained, Seattle soils are used for seeded grass pasture, hay, blueberries, and truck crops. Seattle muck (Sk).--Areas of this nearly level soil are somewhat circular or long and narrow and range from 1 to about 500 acres in size. Slopes are less than I percent. 28 Representative profile of Seattle muck, in pas- ture, 200 feet east and 500 feet north of the center of sec. 2, T. 24 ~., R. 5 E.: Oal--O to 11 inches, black (5YR 2/1) muck, black (lOYR 2/1) dry; strong, fine, granular struc- ture; hard, very friable, nonsticky, nonplas- tic; many roots; strongly acid; clear, smooth boundary. 10 to 13 inches thick. 001--11 to 17 inches, dark reddish-brown (SYR 2/2) mucky peat, black (lOYR 2/1) ... 6 th dark-brown (lOYR 4/3) fibers dry; laminar structure; very hard. very friable, nonsticky, nonplastic; common roots; stronglY acid; clear, smooth boundary. 6 to 8 inches thick. Oa2--17 to 21 inches, black (5YR 2/1) muck, black (SYR 2/1) dry; massive; very hard, very fri- able, slightly sticky, slightly plastic; few roots; very strongly acid; clear 1 wavy bound- ary. 3 to 6 inches thick. Oe2--2l to 35 inches, very dark brown (7.5YR 2/2) mucky peat, very dark grayish brown ClOYR 3/2) and pale brown (lOYR 6/3) dry; massive; very hard, very friable 1 nonsticky, nonplastic; few roots j medi urn aci d; clear, smooth boundary. 12 to 17 inches thick. Oe3--35 to 60 inches, dark-brown (7.5YR 3/4) mucky sedge peat, very dark brown (IOYR 2/2) and brown ClOYR 5/3) dry; massive; very hard, very friable, nonsticky, nonplastic; few roots; medium acid. Several feet thick. The subsurface layers are stratified mucky peat, muck, and peat that formed mostly from sedges. Where these soils adjoin mineral Sails, SOme layers are 25 percent wood fragments. Thin lenses of mineral soil a half inch to 2 inches thick 9ccur at any depth below 15 inches in Some places, but they make up no more than 5 percent of the soil mass. Some areas are up to 30 percent inclusions of Tukwila soils 1 which are deep mucks, and Shalcar soils, which are shallow over a mineral substratum; and some areas are up to 15 percent inclusions of the wet Bellingham and Norma soils. Total inclusions do not exceed 30 percent. Permeability is moderate. There is a seasonal high water table at or near the surface. If the water table is controlled, the effective rooting depth is 60 inches or more. In undrained areas, rooting depth is limited. The available water capac- ity is high. Runoff ponds, and there is little or no erosion hazard. This soil is used for seeded blueberries, and truck crops. no woodland classification. Shalcar Series grass pasture, hay, Capabi.lity unit IIw-3; APPENDIX "C" DRAINAGE COMPLAINTS ©2001 D. R. STRONG Consulting Engineers. [nco Level t Drainage Analysis 20 La FORTUNA Tov.rnhouscs Renton, Washington NO.137 _DEC. 5.2001 6: 04P!XlNc..K~~L~}1TY WATER AND LAND RESOURCES DMSION P.7/15 DRAINAGE INVESTIGATION REpORT Page I: INVESTIGATION REQUEST Type k2Q t Received from: Date: rf-/97 OK'd by: FILE No.· ql -I:; I ~ . C . \ (Day) ( ) (Eve) L( _--l) NAME: 51lhJ yt10eS'..!....,~'( I.fA'u'l«:f>/PHoNE ':/21-1197' ADDRESS! 6 R C'-t> I S r 40 City State _____ Zip ~!3tJ5'8 Location of problem, if different: I J! 7 tJO 5'¢: /7/4\10 r-z; Reported Problem: CALL FIRST 0 (Would Like To Be Present) G./rSO'-IA.I-=~ V, .. W.'1r' (i-S· Gf-"f-£.tJtV'» /""ro If/£) ;?N~ II-r A-.g ~J",~ Ai> !J'<?o::;TS . /,,<.1 C.I PCA.J-r' Ilfr-r"' .... /J,=:--.sJ 9/7 /7'? /'#'1'. r;/('o:~ j);{f ~~rfJN(),=~. c&~~b~o /I/~ r7-2.J'4 rr4. j)/~r /UC~ I> ;?o-4o 4..e ~CI.e6:-~r /)-0>. £vtAl'l...if Dv""" ('="'I-{-J...trs. ~"'"'AJ (£>c:A/7 / r-lc"fJ, DrSr~/C 7" /£1 s 2-.1's5r..16"5. /" C:;,{/',)fC7v< "uce-vs 7<) /J~tr::... uf' 1'?1-0S. C. /(",E,[':)/f-r'. #:> ~C.;V/I"'lC-4.,..rt s;.'<="c:'"T 7 /.>~"'F ,Rc-;4....9-r.::iJ.NJ.:;-~A...IV). .>/~r="" S'L-v .... ~J ';v 00 jJt!"7~r/7 OJ~ tv/r~, Plat name: e..ut!AA ~~.:5 Lot No: Block No: Other agencies involved: l> Oc!"'5 .. ~ IV ') .)5.,..... I.v:. /'. No field investigation required __ L.: 'f) . (initials) ~ ...fL -k.2 .2....... 14 S T R Parcel No._,.;:.-_____ KroliC,llZ £ Th.Bros: New [e'5e F'6-7 Old 4-t. Be 4- Basin ~ Council District L Charge No, _______ _ -........ -.. -.. -, .. -..... -..... ---.... ----... ---.----.-'7J""~.r;---....... -----.... -"-".---.. ----.. '--.. --..... --.---.. -.... "-,,, .. ----- RESPONSE; Citizen notified on V (f7 by: --,L::.. phone _. _letter _ in person ~ Y<f-,<.Ill v' 141"!) D.:-k . ~1"'71A I N'U"'f) ))..-J..e:.. a,.. J J..:;:5 -r 1/ 'I \J ....-D a..-""",-1A..ofL jI"';Q. I c,;"t...1,....t R ~"'1lj0-c-0 p< ICI?' -1 ,. v',I:. S , * ..I ,,~. )J/J~,r <j # ........ i&?e.. DISPOSITION: Turned to ~ on I I by_OR: No further action recommended because: ...15:. Lead agency has been notified: __ RL;u.fJ)~\ :"-.L.T..I.(,l..l --l.'P_""""-_..s.i_b..:....!. __________ _ _ Problem has been corrected. _ No problem has been identified. _ Prior investigation addresses problem: SIE Flu: # __ _ _ Private problem .. NDAP will riot consider because: __ Water originates onsite and/or on neighboring parcel. Location is outside WLRD SfgJ.i1f#a _Other (SpecifY): DATE CLOSED: 7111 /77 By: --.!!.fI- /le-;»;;-/7 )) ,',' " !::::, Rio I' ""'" (.~, #' • NO. 137 P.5/15 , --DEC. 5.2001 6:03PM KC ~LRD KING COUNTY SURFACE WATER MANAGEMENT DIVISION i DRAINAGE ll'{VESTIGATION RE~ORT ! • Page'1: INVESTIGATION'REQUEST Type " Received by: (.; OK'd by: i "-----.:::.:::=""------:-----'~~,u.-=----------..L.L.'--~"'-'-"'-"- i, ! -R9Ceivlld "om: .. (Pit ... print plllnlyfllr oe8I1nlng). (Day) (t'ie) NAME; '~~~~' ADDflESS: E /CrE: ~/;;J;'1 C~ PHONE ,:f?tbh-1';PY 77i1::X23~ c..;8;!I!/m Slale ZiP' '~05 f location of problem, If different: Reported PrDbIem: c$~ 4//?~A;~ & ,/.o--rt.L ~ ~-'" 4&;) tf'/~~2j c.eJ7'~~~.LL-?~ ~ idV ~ r2./--of~ ~~ ~~~. (" h !/; tIr.v fko7?1/?)'/tb??? ~.L) ~ JJ.eA;/7'4 e?'/ , {',;~,~..; (.t JI~rH /)~'+''-vIiM' ?iu,-(-," r 11 ;#,r /AI //-t!C',... "f" o '~r':!'~t ("1""1-1 A..or, ITS F~,;trN~ 1'0' ,q~ "'Ali''' ;1AJ'O GtL'IL~ A'/f.r I. -:", h ,,-; f r r 1-11 S 'p.e""~ 'P.J(' Iy ~ { I~.' 1-' ,.; I-A, J./~., .' . Lot No: S '~ Block No; 1" 2.. Plat name; f?et??c>/7 f/et'Jh+ J ,lcl cI Other agencIes Involved: No ,FIeld InvestIgation Needed _,--_ L 2:!... 2l.. -L Parcel No. C) 73 "100 .-0 ( D t) Kron ....:::..;;....:~ 1/4 S T R , BaSln..CPD Counc. Dlst-1:i. Charge No: RESPONSE: Citizen notlfled on 2-11·'77 by ?< phone letter In person /-::/'17 l tF r Mt':~"'/' r /.t:r ('Inz't"-N" ANI'U iJ·M Wltt..$(!-, ,f~;;""'lil/.J-,T1J' $4,Y,-/, 1?'re'"""·M j) ,NMy tcr '-5:-,;" h? ,t/t'/~/M,L/~e) &q,,( T' ,;:;., 1'';,0'/<///0 v;~' '-~ DlsposmON: Turned to, ___ ' on ____ ' by __ _ OR: No further acHon recommended becaUSE _ Lead agency has been notified: _ Problem has been corrected. -_......,N:-r.o~p=ro=:bI:i':e~m~ha=s-;:b':":ee~n~id~e-::::nt~ifi':":ed .... ----;:;,Prf:;:07r;::lnv:-::e::;stI:;::g:::;at:;:lo'::'n-=ad::;:d;;:re=5s:::e:::-s":'p~=olblem: -s.tFilo# . _ Private problem -NDAP will not consider because: _ Water origInates onslte and/or on neighboring parcel _' location Is outside SWM se~~ ...:...... Other (Specify): DATE CLOSED: ~ I r./:.t..2.. by: ~ d) -'II ',a-~, f'J v?t:J .!1..£r./~ DEC. 5.2001 6:04PM KC WLRD KIng County Sul'f~ce Wiler Mlnlgemenl DRAINAGE INVESTIGATION REPORT FIELD INVESTIGATION NO. 137 FILE NO. 96-2050 NAME KEVIN NGUYEN J\IlDRESS 1280 • SE PEm PHONE 288-4724 DATS ~.~2~'~.~ _____ ~ KROLL PAGE G02E MAlNT. DIVISION ....L.-INITIALS • MAM DETAILS Oll lNVBSTIGATION: ~ .,n VISIT ON 12.' ..... ~LOO~ING 0' YARD ~AOM CREn. INVESnGAnoN POUND PROPIRTY BOAOERS A DAAINAIlI CHANNILJ&TREAM. THE CHANNI~ HAS APPROXIMATELY 2 'IET N OP fRIIIOARD. TH~ YARD II MOSTLY ,I,AT AND AREAS IN T~e YARD HAD STANOINO WAT!!R. DUI TO THE LACK O~ aLOPI ON THE PROPERTY IT DID NaT APPEAR THIS AREA WILL DRAIN NATURALLY. THe DRAINAIl! CHANNEL BORDEAING THE PROPERTY II KIAVlLY VIGITATEII AND AREAS WITHIN CKAIINEL HAVI! BECaMI CIIOCKID WITH TREES AND DeBAIS. PHOTOS TAICIN • , LOOICINII AT BACKYARD O~ HOUS! 12 •• , -U PETROVITSKY RD. (I 2 LOOKING AT SOUTH END OF CRon.CULVIiRT UNDER SI PEmOVlTSKY RD. (I ~ LOOKING INTO DAAINAGI CHANNEL FADM THI PROPERTY AT 1210' • SE PETAOVITSKY AD. (14 \'oOI(ING INTO DRAINM! CHANNEL FROM THE PROPIATY AT 121.' • SE PETROVlT3KY AD. SKETCH: I ... .. .. .. ! " I I ... " DRAINAGE CHANNEl. HouSil! 12101 SE PETROVITSKY RD • T KING COUNTY PRE-APPLICATION MEETING La Fortuna Townhouses PROJECT DESCRIPTION: • Full Name of the project: La Fortuna Townhouses 01·261.100 • Names, addresses and telephone numbers of the owner, agent architect and/or engineer of record. Owner: Developer: Engineer: Gregory Yelkin & Karnail Johal 16149 Redmond Way Redmond, W A 98052 Karl Best P.O. Box 1790 Snohomish, W A 98290 (425) 397-0739 n.R. STRONG Consulting Engineers, Inc. 10604 NE 38th Place, Suite 101 Kirkland, W A 98033 (425) 827-3063 Contact: Luay R. Joudeh, P.E. • Detailed description of the proposal: ~LECLE~~LE[Q) DEC 1 4 2001 K.C. D.D.E.S. ~'''MI't This project proposes to create a forty-seven-unit townhouse development on three adjacent parcels. Currently there us an application for a boundary line adjustment which would result in reconfiguring the parcels to create one large parcel • Approximate address of the property: 12632 -S.E. Petrovitsky Road. • Parcel numbers: 073900-0015, 073900-0020 & 073900-0026 • Existing zoning of project site: R-12-S0 for 07390015, R-12-S0 for 073900-0020, & R-8-S0 for 073900-0026 • Other permits or actions that are pending or proposed affecting this application: © 2001 D.R. STRONG Consulting Engineers, Inc. Boundary Line Adjustment • Any recorded existing easements that affect the property, (i.e., ingress, egress, utilities, or drainage). See Conceptual Plan • Was project covered under a prior SEPA determination? Not known. • Complete SEP A environmental checklist. See the attached draft of the SEPA checklist. • Level One Downstream Analysis See the attached draft of the report. • Area of the project site: The total area is approximately 4.511 acres. Enclosed: Preliminary Layout Preliminary Density Calculations r.·lkO /1210 12611PRE-A PP.doc © 2001 D.R. STRONG Consulting Engineers, Inc. King County Department of Development and Environmental Services 900 Oakesdale Avenue SW Renton, WA 98055-1219 February 11,2003 Luay R. Joudeh, P .E. 10604 NE 38'" Place, Suite 101 Kirkland, WA 98033-7903 RE: Pre-Application No. AOIPMl15 Dear Mr. Joudeh: Thank you for your letter received F ebmary 10, 2003 requesting a waiver of a mandatory pre-application meeting for the proposed La Fortuna Commercial Site Development Permit. I appreciate the opportunity to respond to your request. I have reviewed the previous pre-application file and discussed the issues identified at the meeting with our review staff. The mandatory pre-application meeting was held over a year ago on January 8, 2002. As stated, review staff has worked with you on the issues identified since the meeting was held. However, all review comments have been based on a conceptual design proposal and significant changes are anticipated based on previously identified issues. These changes may result in additional issues not yet identified by the various review disciplines. Regrettably, I must deny your request to waive the mandatory pre-application. Review staff has not seen a firm design proposal which addresses the identified issues. It is to everyone's benefit to have another mandatory pre-application meeting to minimize delays during the application review process. If you have any further questions, please contact me at (206) 296-6740. Sincerely, James Chan, P.E. Site Engineering and Planning Supervisor Building Services Division cc: Dave Sandstrom, Project Manger, BSD Bill Kerschke, Senior Ecologist, LUSD Pre Application or Permit File Number: A01PM115 -La Fortuna Townhouses compiled by: Dave Sandslrom Date Col Meeting: January 8, 2002 o • • 0 • Major issues needing Redesign or Resolution Q.,.5!I ::I g ,g ;: ODES staff responsible ... Xl :: ~-=.!!! ~- Building 1 Reference section 310.2.2, UBC "more than 3000 Square feet of floor area above the first story shall not be less than one hour fire resistive John Rae construction throughout .... " Need one hour fire resistive assembly detailing 2 Barrier free access aisleway in type "A" barrier free garage 3 Need four type "A" barrier free units 4 One hour fire res.istive party walls are required 5 Need building elevations 6 Need to complete the Washington State Energy Code Compliance forms -handed out at the meeting 7 Need lateral load analysis 8 Full one hour occupancy separation between garages and units is required 9 Label the barrier free units on the site plan, plus on the site plan show the barrier free accessible route of travel 10 Dimension the distance between building on the site plan -reference sections 305 and 705 for maximum roof overhangs Fire 1 See written comments from Bill Mudd provided at the pre-app meeting Bill Mudd I 2 Insufficient information was provided to complete fire flow calculations -needed the total square footage of each building, types of construction and elevation draw!ngs for each building to calculate fire flow 3 Title 17 of the King County Code requires multi-family buildings with fire or more units; or three or more floor levels (not stories) to be sprinklered NFPA 13 R -Additionally, any building with an unsprinklered fire flow requirement of 2,000 gpm or more to be sprinklered -typically, due to their proximity to other buildings and property lines, most 4-plex buildings must be sprinklered; constructed V1-hour; or be divided at least once with a 2-hour separation wall 4 A valid certificate of water availability has to be submitted with the building permit application 5 At feast two fire hydrants will be required within the complex -the fire hydrant and sprinkler FOe (fire department connection) locations can be established when the formal fire flow review is conducted after permit application 6 As submitted, access for fire apparatus appears acceptable -no parking will be permitted on the on-site roadways (fire lanes) -the on-site roadways must be marked/signed in an approved manner as outlined in Title 17 of the King County Code 7 Separate permits are required for: Fire hydrant/water main installation, Sprinkler system supply main installation, Sprinkler systems, Automatic fire alarm systems and Monitoring system Traffic 1 Internal access roads are minor access (Commercial) streets -sidewalks on one side are required Phil Barber 2 127th Ave. SE is a Neighborhood Collector Site 1 The proposed project requires full drainage review per the 1998 King County Surface Water Design Manual (SWDM) Kon Hoelsener Engineering 2 Need to provide a Technical Information Report (TIR) 3 The site is in a Level 1 Flow Control area -drainage issue downstream must be mitigated and may require a higher level of detention 4 The site may have several discharge points -if proposing to discharge to a single point, the diversion issue will have to be examined -if it is a 5 diversion, then a Drainage Adjustment must be submitted 6 Site is located within a Landslide Hazard Drainage area 7 Site requires Basic Water Quality Treatment 8 Flooding problems downstream may affect detention requirements 9 Determine upstream tributary area -you may be required to bypass the upstream runoff (Core Requirement 3 page 1-36, SWOM) -need to consider the impact to the Landslide Hazard area 10 Need to provide a conveyance and backwater analysis using the 1998 SWOM requirements 11 Provide a TESC plan consistent with the SWDM 12 Need to look at drainage complaints within the vicinity of the site -call 206-296-1900 (KC Water and Land Resource) for information 13 The site may contain unmapped floodplains -provide a floodplain analysis consistent with SWOM Section 4.4.2 (page 4-69) 14 If the site contains or is adjacent to a low lying area a closed depression analysis will be required 15 Verify that the FEMA floodplain of Soos Creek does not encroach into the site through the culverts 16 You area proposing to cross a stream -you will be required to obtain an HPA from the Washington State Dept. of Fish and Wildlife 17 A Declaration of Covenant for maintenance access for the flow control and water quality facilities is required for privately maintained facilities 18 Retaining walls 4 feet in height and greater will require structural review S.fBSDfbpr staff file foidersiOSANIA01 PM115/1 ·6·02 Page 1 of 2 01/30/2002 Pre ApplicatIon or Permit File Number: A01 PM115· La Fortuna Townhouses compiled by: Dave Sandstrom Date "f Meeting: January 8. 2002 c • • c • Major issues needing Redesign or Resolution • m 0 o 0 0 DOES staff responslblel e -:::: !]~ ~- Site 1 The site is zoned R·8 with a Special District Overlay for significant Trees-This will require a significant tree survey to be part of the BP plan set Nancy Hopkins Zoning identifying all significant trees per KCC 21A.38. 2 The height limit in the R-8 zone is 35 feet· the ECl indicates that the buildings will be over 60 feet in height -redesign to comply with the R-8 zoning 3 Complete a Residential Density Calculation worksheet -at this time it is not possible to determine if the site meets base density or how the split zone of the site affects density 4 See KGG 21A.12.200 Density Blending when a site is divided by varying zones -cannot exceed max, density (150% ) in blending density 5 All drive aisles, parking, and other site features must be identified and dimensioned -parking aisles required width is 24 feet 6 Need 2 stalls per townhouse unit per KCC 21A.18 . if tandem parking in front of garage is proposed· must meet full stall dimension of either standard or compact -tandem apron parking cannot intrude into sidewalk or drive aisles drive aisles must be clear and unobstructed 7 All public areas, rec. space sidewalks, mail kiosk, recyclable storage and garbage areas must be ADA accessible 8 Landscape buffer required is 10 feet of type II around entire perimeter of site per KCC 21 A.16 -the site plan shows 5 feet in some areas - redesign to comply with 10 foot buffer 9 Need to address the new standards for on-site recreational space-see KCC 21A.14.1BO 10 Need to address the sight triangle at the driveway per KCC 21A.12.210 11 Sidewalks need to be provide from the street through the development measuring at least 48 inches wide-with a curb section elevated above the access road 12 Provide recyclable storage for curbside pick up per KCC 21A.14.210 13 Provide for bike storage in each garage and place notes on plans -per KCC 21A.18.030 E 14 Provide on site illumination to comply with KCC 21A.18.110 H 15 Parking must be provide for the recreation space area, all public features (mail kiosks, central recyclable/garbage collection points) 16 Provide landscape Bond Quantity Worksheet and Water Budget per KCC 21A16.300 17 Provide project summary block on title sheet outlining parking, zoning, Max impervious, adjacent land zoning and land uses 18 If any units are Type A handicap units· provide details of the units-show accessible route of travel on the site plan· all residents must have accessibility to common areas -entrances to building must be accessible 19 See written comments from Nancy Hopkins provided at the pre-app meeting Sensitive 1 Need to submit a Sensitive Areas report for the subject parcels as required by King County Code (KCC 21 A. 24.110 and 21 A.96.1395) Bill Kerschke Areas 2 All sensitive areas within 165 feet of the proposed site should be delineated, described and classified per KCC 21A,06.1415 3 You propose to fill two wetlands and impact associated buffers· a Sensitive Areas study is required to determine whether or not the subject wetlands can be altered/filled under King County Code 4 RID Vaults are not permitted within wetland buffers or BSBl's -roads are not permitted within wetland buffers but may be allowed within the 15 foot BSBl -need to relocate the RID Vault and road outside of the sensitive area buffer and 15 foot BSBl 5 Per Public Rules 21 A-24-016 King County may approve buffer width averaging if you can demonstrate that the total area contained in the buffer on the site does not decrease and that the proposal will provide additional protection to the sensitive area -the minimum buffer width can not be less than 65% of the standard buffer width -if buffer width averaging can not be completed you may apply for a Sensitive Areas Variance 6 Based on the site plan you propose to discharge stormwater to a wetland· this may be allowed if the discharge does not increase the rate of flow, change the plant composition in forested wetlands or decrease water quality -to satisfy code you will need to provide a hydrologic assessment to measure or estimate elements of wetland hydrolperiods under existing pre-development and anticipated post-development conditions by a qualified hydrologist 7 Project site plans must depict all sensitive areas, associated buffers, and 15 foot BSBl in relation to all proposed project developments -site plans must also show the extent of all clearing limits in relation to the sensitive areas and associated buffers SEPA 1 Need to provide 12 copies of the Environmental Checklist and plans and 1 copy of any special studies submitted with the building permit Angelica Velasquez application Platting 1 The Boundary Line Adjustment can be processed concurrently with the building permit application -the Boundary Line Adjustment will need to be Patrick Simmons approved prior to final zoning review of the building permit S:IBSDlbpr staff file foidersJDSAN/A01 PM115/1-B-02 Page 2 of 2 01/3012002 ® King County Dept. of Development and Environmental Services Building Services Division 900 Oakesdale Avenue Southwest Renton, Washmgton 98055-t219 January 30, 2002 Luay R. Joudeh, P.E. D.R. Strong Consulting Engineers, Inc. 10604 Northeast 38 th Place, Suite 10 I Kirkland, W A 98033 Re: Pre-application A01PMl15 for La Fortuna Townhouses Dear Mr. Joudeh: Thank you for participating in the January 8th pre-application meeting for the proposed development of the La Fortuna Townhouses. The Building Services Division has been looking for enhancements that we can make to the services provided. In the past it has been left to the applicant to take meeting notes and to submit a copy back to us if they wished confirmation of their notes. This has been more or less successful in proving a record of major issues, areas of concern and potential solutions. Currently we are pilot testing a process where county staff would document major issues discussed at a pre-application meeting. Major issues are seen as ones that could cause a redesign of any portion of the application or still need research and resolution by either the county or the applicant. I am enclosing the format that we are testing with the notes that were taken at the meeting. These items were forwarded to participating staff for corrections and additions prior to sending them on to you. Please feel free to share the form with other team members if you find it useful. 1 am e-mailing the form and this letter to all attending the meeting that provided an e-mail address. Sincerely, r~UW Pamela Dhanapal Plan Review Supervisor Enclosure Ce: Gary Schulz .c, fBSD.'bpr swff file folderSi$and.lrro:>TTh'AO I PM 115 /1-8-01 Page I of 1 Sandstrom, Dave From: Luay R. Joudeh, P.E.[SMTP:luay.joudeh@drstrong.com] Wednesday, January 30, 2002 2:52 PM Sent: To: 'Sandstrom, Dave' Subject: RE: Final Meeting Notes for A01 PM115 -La Fortuna Townhouses Thanks Dave for sending the meeting notes. I was hoping I'd get an explanation regarding the BLA process. For some reason Pat Simmons informed after the meeting that they can continue to review the BLA unless there is a way to obtain public comments. My recollection from the meeting that Nancy and Pat jointly decided that it was not necessary to do that. My concern is that we could be wasting a lot of time and money designing a project only to find out that DDES will not sign off on the BLA. Please let me know if I should be talking to someone else about this issue. Thanks -----Original Message----- From: Sandstrom, Dave [mailto:Dave.5andstrom@METROKC.GOVl Sent: Wednesday, January 30, 2002 2:27 PM To: 'Iuay.joudeh@drstrong.com'; 'bear4@yahoo.com' Cc: Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Final Meeting Notes for A01PM115 -La Fortuna Townhouses Mr. Joudeh and Mr. Schulz Attached are the meeting notes and letter for the above referenced pre-app meeting held on 1/8/2002. «A01 PM115 -La Fortuna Townhouses.doc» «A01 PM115 -La Fortuna Townhouses.xls» I have placed the original in the mail to Luay Joudeh's attention. Please let me know if you have any questions. Thanks, Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and EnVironmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-0100 Page 1 Sandstrom, Dave From: Sandstrom, Dave Sent: To: Wednesday, January 30, 2002 2:26 PM 'Iuay.joudeh@drstrong.com'; 'bear4@yahoo.com' Cc: Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Final Meeting Notes for A01 PM115 -La Fortuna Townhouses Mr. Joudeh and Mr. Schulz Attached are the meeting notes and letter for the above referenced pre-app meeting held on 1/8/2002. ~ Illi AOIPM115 -La Fortuna Townhouses.doc A01PM115 -La Fortuna Townhouses.xls I have placed the original in the mail to Luay Joudeh's attention. Please let me know if you have any questions. Thanks, Dave Sandstrom Planner III/Project Mal'lClger Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-OlOO Page 1 • Sandstrom, Dave 1~4 d"" -~--------- From: Sandstrom, Dave t;:M./ Friday, January 25, 200~'2~9:~0~3£~~~;?,~~=10,-~ Ch~; Ra~n;~ Hoel~~oPkir:s, Na~~;)Ke~BiII; Velasq~gelica; im ons, ~ Sent: To: Subject: Draft Meeting Notes for a Townhousesr AO~115 1> l-d 1/1 '\,G1 Attached are the draft meeting notes from the 1/8/2002 ore,-aDID meeting for the La Fortuna Townhouses. ~~!!! i. version goes out I will cc a Thank you for your attention to this request. iill AOIPM115 -La Fortuna Townhouses.xls Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-0100 Page 1 • Sandstrom, Dave From: Sent: To: Hoelscher, Ron Tuesday, January 29, 2002 11 :04 AM Sandstrom, Dave Subject: FW: Draft Meeting Notes for La Fortuna Townhouses -A01 PM 115 Looks good to me. From: Sandstrom, Dave Sent: Friday, January 25, 2002 9:03 AM To: Chan, Jim; Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Draft Meeting Notes for La Fortuna Townhouses -A01PM115 may i I version goes out I will cc a copy to you for you files. Thank you for your attention to this request. ~ A01PM1l5· La Fortuna Townhouses.xls Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-OlOO Page 1 • Sandstrom, Dave From: Hopkins, Nancy Sent: Wednesday, January 30, 2002 10:46 AM Sandstrom, Dave To: Subject: RE: Draft Meeting Notes for La Fortuna Townhouses -A01PM115 Did you want to reference the written comments I handed out at the mtg? Otherwise, OK as is. From: Sandstrom, Dave Sent: Friday, January 25, 2002 9:03 AM To: Chan, Jim; Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Draft Meeting Notes for La Fortuna Townhouses -A01PM1l5 Attached are the draft meeting notes from the 1/8/2002 pre-app meeting for the La Fortuna Townhouses. Please review the comments and let me know if ou have an chan es additions/corrections/concerns otherwise OKAY as is by January 29th before noon. Any changes received after this may not e Inc u ed in the final version that will be sent to the applicant. Once the final version goes out I will cc a copy to you for you files. Thank you for your attention to this request. «File: A01 PM115 -La Fortuna Townhouses.xls» Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, VVa. 98055·1219 (206) 296·7184 FAX (206) 296-7225 Mailstop: OAK-DE-OlOO Page 1 Sandstrom, Dave From: Velasquez, Angelica Sent: Friday, January 25, 2002 10:44 AM Sandstrom, Dave To: Subject: RE: Draft Meeting Notes for La Fortuna Townhouses -A01 PM115 o.k. as is. From: Sandstrom, Dave Sent: Friday, January 25, 2002 9:03 AM To: Chan, Jim; Rae, John; Mudd, Bill; Barberi Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Draft Meeting Notes for La Fortuna Townhouses -A01PM115 Attached are the draft meeting notes from the 1/8/2002 pre-app meeting for the La Fortuna Townhouses. Please review the comments and let me know if you have any changes (additions/corrections/concerns) otherwise OKAY as is by January 29th before noon. Any changes received after this may not be included in the final version that will be sent to the applicant. Once the final version goes out I will cc a copy to you for you files. Thank you for your attention to this request. «File: A01 PM115 -La Fortuna Townhouses.xls» Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-Ol00 Page 1 • Sandstrom, Dave From: Rae,John Sent: Friday, January 25, 2002 11 :11 AM Sandstrom, Dave To: Subject: RE: Draft Meeting Notes for La Fortuna Townhouses -A01 PM115 looks good ..... From: Sandstrom, Dave Sent: Friday, January 25, 2002 9:03 AM To: Chan, Jim; Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Dralt Meeting Notes for La Fortuna Townhouses -A01PM115 Attached are the draft meeting notes from the 1/8/2002 pre-app meeting for the La Fortuna Townhouses. Please review the comments and let me know if ou have an chan es additions/corrections/concerns otherwise OKAY as is by January 29th before noon. Any changes received a er this may not be included in the final version that will be sent to the applicant. Once the final version goes out I will cc a copy to you for you files. Thank you for your attention to this request. «File: A01 PM115 -La Fortuna Townhouses.xls» Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental SelVices 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-0100 Page 1 • Sandstrom, Dave From: Mudd, Bill Sent: Friday, January 25,20029:54 AM Sandstrom, Dave To: Subject: RE: Draft Meeting Notes for La Fortuna Townhouses -A01 PM115 OK BILL From: Sent: Sandstrom, Dave Friday, January 25, 2002 9:03 AM To: Chan, Jim; Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Draft Meeting Notes for La Fortuna Townhouses -A01PM115 Attached are the draft meeting notes from the 118/2002 pre-app meeting for the La Fortuna Townhouses. Please review the comments and let me know If you have any changes (additions/corrections/concerns) otherwise OKAY as is by Januarv 29th before noon. Any changes received after this may not be included in the final version that will be sent to the applicant. Once the final version goes out I will cc a copy to you for you files. Thank you for your attention to this request. «File: A01PMl15 -La Fortuna Townhouses.xls» Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK·DE-OlOO Page 1 • Sandstrom, Dave From: Kerschke, Bill Sent: Friday, January 25, 2002 9:15 AM Sandstrom, Dave To: Subject: RE: Draft Meeting Notes for La Fortuna Townhouses -A01 PM115 Looks good! From: Sandstrom, Dave Sent: Friday, January 25, 2002 9:03 AM To: Chan, Jim; Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez/ Angelica; Simmons, Pat Subject: Draft Meeting Notes for La Fortuna Townhouses -A01PM115 Attached are the draft meeting notes from the 1/8/2002 pre-app meeting for the La Fortuna Townhouses. Please review the comments and let me know if you have any changes (additions/corrections/concerns) otherwise OKAY as is by January 29th before noon. Any changes received after this may not be included in the final version that will be sent to the applicant. Once the final version goes out I will cc a copy to you for you files. Thank you for your attention to this request. «File: A01 PM115 -La Fortuna Townhouses.xls» Dave sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-Ol00 Page 1 t Sandstrom, Dave From: Chan, Jim Sent: Friday, January 25,20024:31 PM Sandstrom, Dave To: Subject: RE: Draft Meeting Notes for La Fortuna Townhouses -A01 PM115 Dave - Could I see a site plan of this when you get a chance. Thanks, Jim From: Sandstrom, Dave Sent: Friday, January 25, 2002 9:03 AM To: Chan, Jim; Rae, John; Mudd, Bill; Barber, Phil; Hoelscher, Ron; Hopkins, Nancy; Kerschke, Bill; Velasquez, Angelica; Simmons, Pat Subject: Draft Meeting Notes for La Fortuna Townhouses -A01PM115 Attached are the draft meeting notes from the 1/8/2002 pre-app meeting for the La Fortuna Townhouses. Please review the comments and let me know if you have any changes (additions/corrections/concerns) otherwise OKAY as is by January 29th before noon. Any changes received after this may not be included in the final version that will be sent to the applicant. Once the final version goes out I will cc a copy to you for you files. Thank you for your attention to this request. «File: A01 PM115 -La Fortuna Townhouses.xls» Dave Sandstrom Planner III/Project Manager Building Services Division Department of Development and Environmental Services 900 Oakesdale Avenue Southwest Renton, Wa. 98055-1219 (206) 296-7184 FAX (206) 296-7225 Mailstop: OAK-DE-Ol00 -nt"'>\t4 b"",,£,.. Page 1 Pre Application or Permit File Number: A01PM115 -La Fortuna Townhouses compiled by: Dave Sandstrom Date of Meeting: January B, 2002 ---. ' -. Major Issues needing Redesign or Resolution ,0. o 0 • DOES staff responsiblE !!! il : e~~ ~- Building 1 Reference section 310.2.2, USC "more than 3000 Square feet of floor area above the first story shall not be less than one hour fire resistive John Rae construction throughout .... " Need one hour fire resistive assembly detailing 2 Barrier free access aisleway in type "A" barrier free garage 3 Need four type "A" barrier free units 4 One hour fire resistive party walls are required 5 Need building elevations 6 Need to complete the Washington State Energy Code Compliance fanns -handed out at the meeting 7 Need lateral load analysis 8 Full one hour occupancy separation between garages and units is required 9 Label the barrier free units on the site plan, plus on the site plan show the barrier free accessible route of travel 10 Dimension the distance between building on the site plan -reference sections 305 and 705 for maximum roof overhangs Fire 1 See written comments from Bill Mudd provided at the pre-app meeting Bill Mudd 2 Insufficient information was provided to complete fire flow calculations -needed the total square footage of each building, types of construction and elevation drawings for each building to calculate fire flow 3 Tide 17 of the King County Code requires multi-family buildings with fire or more units; or three or more floor levels (not stories) to be sprinklered NFPA 13 R -Additionally, any building with an unsprinklered fire flow requirement of 2,000 gpm or more to be sprinklered -typically, due to their proximity to other buildings and property lines, most 4-plex buildings must be sprinklered; constructed V1-hour; or be divided at least once with a 2-hour separation wall 4 A valid certificate of water availability has to be submitted with the building permit application 5 At least two fire hydrants will be required within the complex -the fire hydrant and sprinkler FOC (fire department connection) locations can be established when the formal fire flow review is conducted after permit application 6 As submitted, access for fire apparatus appears acceptable -no parking will be permitted on the on-site roadways (fire lanes) -the on-site roadways must be markedJsigned in an approved manner as outlined in Title 17 of the King County Code 7 Separate permits are required for: Fire hydrant/water main installation, Sprinkler system supply main installation, Sprinkler systems, Automatic fire alarm systems and Monitoring system Traffic 1 Internal access roads are minor access (Commercial) streets -sidewalks on one side are required Phil Barber 0 L'= A, C" .. I r.nll=Oor /VtfMDU ~ ;N-"" /tnt-6. Site 1 The proposed project requires full drainage review per the 1998 King County Surface Water Design Manual (SWDM) Kon Hoelscher Engineering 2 Need to provide a Technical Information Report (TIR) 3 The site is in a Level 1 Flow Control area -drainage issue downstream must be mitigated and may require a higher level of detention 4 The site may have several discharge points -if proposing to discharge to a single point, the diversion issue will have to be examined -if it is a 5 diversion, then a Drainage Adjustment must be submitted 6 Site is located within a Landslide Hazard Drainage area 7 Site requires Basic Water Quality Treatment 6 Flooding problems downstream may affect detention requirements 9 Detennine upstream tributary area -you may be required to bypass the upstream runoff (Core Requirement 3 page 1-36, SWDM) -need to consider the impact to the Landslide Hazard area 10 Need to provide a conveyance and backwater analysis using the 1996 SWDM requirements 11 Provide a TESC plan consistent with the SWDM 12 Need to look at drainage complaints within the vicinity of the site -call 206-296-1900 (KC Water and Land Resource) for information 13 The site may contain unmapped floodplains -provide a floodplain analysis consistent with SWDM Section 4.4.2 (page 4-69) 14 If the site contains or is adjacent to a low lying area a closed depression analysis will be required 15 Verify that the FEMA floodplain of Soos Creek does not encroach into the site through the culverts 16 You area proposing to cross a stream -you will be required to obtain an HPA from the Washington State Dept. of Fish and Wildlife 17 A Declaration of Covenant for maintenance access for the flow control and water quality facilities is required for privately maintained facilities , 18 Retaining walls 4 feet in height and greater will require structural review • -- S:/BSDlbpr staff file foidersiOSANlA01 PM11SJ1-8-02 Page 1 of 3 01/25/2002 Pre Application or Permit File Number: A01PM115 -La Fortuna Townhouses compiled by: Dave Sandstrom Date of Meeting: January 8. 2002 o • • 0 • Major issues needing Redesign or Resolution . a, o 0 , DOES staff responsible ~ :i : '" ;; '" ~-~..2.!! Site 1 The site is zoned R-8 with a Special District Overlay for significant Trees-This will require a significant tree survey to be part of the BP plan set Nancy Hopkins Zoning identifying all significant trees per KeC 21A.38. 2 The height limit in the R-B zone is 35 feet -the EGl indicates that the buildings will be over 60 feet in height -redesign to comply with the R-8 zoning 3 Complete a Residential Density Calculation worksheet -at this time it is not possible to determine if the site meets base density or how the split zone of the site affects density 4 See Kee 21A.12_200 Density Blending when a site is divided by varying zones -cannot exceed max. density (150% ) in blending density 5 All drive aisles, parking. and other site features must be identified and dimensioned -parking aisles required width is 24 feet 6 Need 2 stalls per townhouse unit per KGC 21A.18 -if tandem parking in front of garage is proposed -must meet full stall dimension of either standard or compact -tandem apron parking cannot intrude into sidewalk or drive aisles drive aisles must be clear and unobstructed 7 All public areas, rec. space sidewalks. mail kiosk. recyclable storage and garbage areas must be ADA accessible 8 landscape buffer required is 10 feet of type II around entire perimeter of site per Kee 21 A.16 -the site plan shows 5 feet in some areas - redesign to comply with 10 foot buffer 9 Need to address the new standards for on-site recreational space-see KCC 21A 14_180 10 Need to address the sight triangle at the driveway per KCG 21A.12.210 11 Sidewalks need to be provide from the street through the development measuring at least 48 inches wide-with a curb section elevated above the access road 12 Provide recyclable storage for curbside pick up per KCC 21A 14.21 0 13 Provide for bike storage in each garage and place notes on plans -per KCC 21A_1B_030 E 14 Provide on site illumination to comply with KCC 21A.18_110 H 15 Parking must be provide for the recreation space area, all public features (mail kiosks. central recyclable/garbage collection points) 16 Provide landscape Bond Quantity Worksheet and Water Budget per KCC 21A_16_300 17 Provide project summary block on title sheet outlining parking, zoning, Max impervious, adjacent land zoning and land uses 18 If any units are Type A handicap units -provide details of the units-show accessible route of travel on the site plan -all residents must have accessibility to common areas -entrances to building must be accessible Sensitive 1 Need to submit a Sensitive Areas report for the subject parcels as required by King County Code (KeC 21A. 24.110 and 21A.96.1395) Bill Kerschke Areas 2 All sensitive areas within 165 feet of the proposed site should be delineated. described and classified per KCC 21A06.1415 3 You propose to fill two wetlands and impact associated buffers - a Sensitive Areas study is required to determine whether or not the subject wetlands can be alteredffilled under King County Code 4 RID Vaults are not permitted within wetland buffers or BSBl's -roads are not permitted within wetland buffers but may be" allowed within the 15 foot BSBl -need to relocate the RID Vault and road outside of the sensitive area buffer and 15 foot BSBl 5 Per Public Rules 21A-24-016 King County may approve buffer width averaging if you can demonstrate that the total area contained in the. buffer on the site does not decrease and that the proposal will provide additional protection to th.e sensitive area· the minimum buffer width can not be less than 65% of the standard buffer width -if buffer width averaging can not be completed you may apply for a Sensitive Areas Variance 6 Based on the site plan you propose to discharge stormwater to a wetland -this may be allowed if the discharge does not increase the rate of flow. change the plant composition in forested wetlands or decrease water quality -to satisfy code you will need to provide a hydrologic assessment to measure or estimate elements of wetland hydrolperiods under existing pre-development and anticipated post-<levelopment conditions by a qualified hydrologist 7 Project site plans must depict all sensitive areas. associated buffers. and 15 foot BSBl In relation to an proposed project developments -site plans must also show the extent of all clearing limits in relation to the sensitive areas and associated buffers SEPA 1 Need to provide 12 copies of the Environmental Checklist and plans and 1 copy of any special studies submitted with the building permit Angelica Velasquez application , Platting 1 The Boundary Line Adjustment can be processed concurrently with the building permit application -the Boundary Line Adjustment will need to be Patrick Simmons approved prior to final zoning review of the building permit . , I!:ecisions - ----S:'I'BSDlbprslafffilefoldersiDSANIA01PMI15fl-8-02 Page 2 of 3 01/25/2002 Pre Application or Permit File Number: A01PM115· La Fortuna Townhouses compiled by: Dave Sandstrom Date of Meeting: January 8, 2002 = • . = • Major Issues needing Redesign or Resolution . ~, o 0 , DOES staff responsible 41 "iii .,., ~~~ -.. ~- I --- S:lBSDJbpr staff file foidersIDSANlA01 PM115/1·6..Q2 Page 3 of 3 0112512002 Pre-Application: A99P," '\" Page 1 of3 Meeting Date: Site Engineering Review Comments for Mandatory Pre-application: AOI PM115, La Fortuna Townhouses Comments by: Ronaldo Hoelscher I, Proposing approximately 47 units on 3 lots, Based on the submitted site plan and field conditions, the proposed project requires Full Drainage Review. The Downstream Analysis information submitted mentions detention pond within the properties. Show the location of these pond and channel on the civil site and drainage plan. 2. Provide a Technical Information Report (TIR) addressing the Core and Special Requirements ofthe 1998 King County Surface Water Design Manual (SWDM). The following is a list of items to be included in the TIR; however, it is not complete and your engineer should review and address ALL requirements outlined in the SWDM. 2.1. The site is in a Level 1 flow control according to the Flow Control map of the 1998 KCSWDM. The Level I Downstream analysis submitted by the consultant's of the applicant specifies a 1evel-1 Flow control. Drainage issue downstream must be mitigated and may require a higher level of detention. ":'1) ·./jf'"1"':ty The site may have several discharge points. If proposing to discharge to a single I d d;;?://fi J ")v.~ point, the diversion issue will have to be examined. If it is a diversion, then an ( r TJ ,.;: 1 '.;,' .. <).-/.", fi}tq, ///. Adjustment Application must be submitted to address the diversion issue. . (; / f>:'7.i'~"" i.)~' b/Ad"?x", {;> I~ I';;' &oJJ AM;' :-,:,{?c.!' ~:z;-,,~ /LL:f' ...... ;..-Lk~~, ( / J 2.2. Your site is located within a Landslide Hazard Drainage Area, please address the special downstream concerns as outlined in the SWDM. 2.3. The site requires Basic Water Quality Treatment. Refer to the SWDM for guidelines in addressing the water quality requirements. 2.4) Metal roofs are considered PGIS unless treated for leaching metals with an , ! approved m~thod. If the roofs are not coated and treated properly, the ro9f areas i must be collected and included with the water quality treatment facility' To I C ____ ---- ! discus~,a testing process fOI:,coating and treatment processes of metal roofs, \ .I'~ contact Kate Rhoaes at (206) 296-8046. 2.5. The Level One Downstream analysis provided a thorough insight into the downstream system for this proposed development. There is a flooding complaint downstream from this site. It was not addressed appropriately though. This development maybe tributaI:Y to that flooding problem. See the 1998 KCSWDM for guidelines in mitigation prohlem downstream. Determine upstream tributaI:Y area. The Level One Downstream Analysis submitted specified an area of 4 acres that contributes to this site. You may be required to bypass the upstream runoff (refer to Core Requirement 3, page 1-36, Wi' ,[ . Pre-Application: A99P\.\ \.\ Page 2 of3 SWDM). If you are going to bypass upstream flow, show how the existing conditions will be impacted. 2.6. Provide a conveyance (uniform flow) and backwater analysis using the 1998 SWDM requirements. New pipe systems shall have capacity to convey and contain the 25-year peak flow for developed conditions. Pipe system structures may overtop for runoff events that exceed the 25-year design capacity, provided the overflow from a 100-year event does not create or aggravate a "severe flooding problem" or "severe erosion problem." 2.7. Provide a TESC plan consistent with the SWDM. 3. Our GIS information system shows drainage complaints within the vicinity of the site. You need to obtain copies ofthe drainage complaint records from Water & Land Resource. Their number is (206) 296-1900. If the problem still exists, and the development will increase the impact to that drainage problem significantly, then the Level of detention could be increased. There are guidelines in the 1998 SWDM specifying the type of mitigation for certain drainage problems. 4. Your site may contain unmapped floodplains. The downstream analysis seems to indicate a conveyance channel within the site area. Please provide a floodplain analysis consistent with SWDM Section 4.4.2 (page 4-69). 5. If the site contains or adjacent to a Low Lying area that could attenuate volume of water, then the closed depression issues will have to be examined. lfthe Low Lying area does meet the definition of a closed depression and the proposed development may affect the Low Lying area floodplain volume attenuation, then a closed depression analysis will have to be provided. 6. Verify that the FEMA floodplain of Soos Creek does not encroach into the site throught he culverts. The FEMA mapping does not indicate the floodplain going into the site. But there is a possibility that it could. The mapping is not always accurate. 7. You are proposing to cross a stream. You will be required to obtain an HPA from the Department ofFish and Wildlife prior to SDR approval. You should contact __ _ for further information. 8.\ If road improvements are required and/or proposed: , j 8.1. Any road improvements proposed are considered as part of the total development , and must be considered in the flowcontroiand water quality treatment analysis. ! 8.2. Profiles of road improvements are required and shaH contain the existing and , proposed: Right-of-Way (ROW) line and centerline, road centerline, and edge of pavement. 8-.J. UJane widening is required, then you must provide pavelRe~is using the WSDOT Flexible Method (or equivalent, approved method). The CBR value • Pre-Application: A99P, \, \ Page 3 of3 -m,!st be determined by a lab test. The determined surfacing must be carried all the'!way through the ~puldeL. If the reqUired. impr(j,,-cments are limited to th~ /7 shoplder and the s!}Ills stable and good, then you 'may provIde surfacmg per Jlie Ki~ County ~O{d Standard JiyfanuaL .._// 8A. IfRQW inwf'ovements are req,llirecynylar plan sets may be required for Public Reco¥. -, 9, A Declaration of Covenant for maintenance access, incorporating proposed flow control and water quality treatment facilities, must be completed and recorded prior to site development final approval for privately maintain facilities, ill Retaining walls 4 feet in height and greater will be reviewed for structural stability, Submit structural details and calculations, along with a soils report supporting the analysis, Rockery designs should be consistent with King County Rockery Standards, Commercial development with long driveways to the actual main road may have to meet the Commercial Access Street requirement ofthe 1993 KC Road Standard, Please make sure that projects proposing landscape management plans per the SWDM are routed to Kate Rhoads for review, SWDM landscape management plans are not the same as landscape requirements per the zoning code, If the proposed development will construct retaining walll/rockeries or do grading cuts that requires entering into adjacent properties, the owners must obtain the necessary construction easement. If they are installing permanent facility or doing grading work on adjacent property, the developer must obtain a permanent construction easement. '/' ,,'-/':;'" -' - - //-:.J,:-1 }-~ /F c.t4 .::c7"?/ ), ~'. '-;".,1~ />~1./;i ;-" -_j dtF!.cf ;tv ; .-; /'; ~ ./. '-, _.1 ./j.,-;, ..... /,(,~.·i_/--:·_'(· -.;-, 1J. "'c' ,J -i.' "0."" j • ;y_ x:",,} 4' ~,!x:,_" ; ',r-,,r,,,JJv > ;~"'7_~) KiD /~ ~ ,~--rh #i?~C<AA~. ';/.?-;: pd/..-k-- LI--' V -, \ , ~ ,,!;t / ~z..v;/ /~_:l:4/..$fz,f (' ~::j.--6:)/",,~,-; ___ 1-Ar'-J~ ~ _y-l~.h-: / . -1> V .u17 J;~/ /;;h/~,~,:,~:; J;//~ r d. j AV ~YM;a~ -. ,....~ ,p /-/ ~<,%";!-!, -.... '" -»:'''<'_:''i~>''_) ,/'.-<i[7/-""{/~:.c1 "~. . :-.:-:.(. ";7' ~.:/..~(,~>,~</ :;1;12< ;:! PREAPPUCATION MTG 118/2001 LA FORTUNA TOWNHOMES AOIPMl15 ZONING, PARKING & LANDSCAPING REVIEW Nancy Hopkins, Planner, 206.296.7120 PROPOSAL: 47-unit townhouse project consisting of 10 buildings on about 5 acres Comments: The level of information submitted is not detailed enough to provide a thorough analysis of zoning code issues relative to site issues, I. The recreation area must be very detailed with respect to compliance with 21A.14.1S0 as well as children's play area. Children's play area (must include equipment-benches per code), is 45 SF per unit. Roughly need over 2,000 SF of plat area. A detailed recreation plan is required. Additionally, the recreation area must be centrally located and close to the units. As depicted, the rec. area does not comply with the standards of21A.14.1S0-redesign. Cannot determine the total rec. space area without bedroom types of the units. The total area (includes children's play area), is a function of bedroom type. 2. There is a significant tree special district overlay on this site. Must submit a significant tree plan survey. May remove significant trees but must replace at either 2: I or 3: I ratios, depending on caliper size and type of trees. See 21A.38.230. 3. The ECL indicates that bldg height will be 60'. Please note that the height limit in the R-S zone is 35 feet. Although you can add a 1: 1 setback for every foot above the base, there must be sufficient room to setback the buildings. There isn't this room -redesign height to comply with R-8 zone where applicable. 4. Complete a residential density calculation worksheet. Without one it can not determine if the site meets base density or how the split zoning of the site affects density. Depict the different zoning on the site. Prepare the RDCW according the varying zones. 5. See density blending per 2IA.12.200, when a lot or site is divided by varying zones. Cannot exceed max density (150%) in blending density. 6. All drive aisles, parking, and other site features must be identified and dimensioned. Parking aisle width requirement is 24 feet. 7. Need 2 stalls per unit for townhouse (2IA.18). If tandem parking in front of garages is used to meet this requirement, it must meet full stall dimension of either a standard or compact. Tandem apron parking cannot intrude into sidewalks or drive aisles. Drive aisles must be clear and unobstructed. Only allowed 50% compacts. 8. All public areas, rec. space, sidewalks, mail kiosk, recyclable storage or garbage areas must be ADA accessible. 9. Must provide for pedestrian circulation, i.e., sidewalks, around the development and from the street unto the site. Minimum 48" wide for sidewalks. 10. Landscape buffer required is lO-feet type II around entire perimeter of site. (KCC 2IA.l6). See areas on plan where there is only 5' -those must be redesigned to comply with 10-foot buffer. Parking areas must setback out oflandscape buffer. II. Will need curbside recycling letter from waste Management Company prior to permit issuance to verifY PfU-otherwise must provide recyclable storage and waste bins on site per 21A.14.210 12. Bicycle racks required per 21A.18.030.E, one indoor storage space per every 2 dwelling units is required. Or if they all have garages just indicate and show details of which storage units or garages will contain racks on bldg permit plans. 13. Per 21AI8.11O.H, parking and pedestrian areas must be illuminated. 14. Submit water budget/Irrigation calculations/plan, per KCC 21 A.16.300-.3 70 15. Site triangle-Per KCC 2IA.12.210 must keep plants and other obstructions out of "clear" zone, 42"- 8' at driveway entrance to street. 16. If any units are Type A handicap units will need details for He units Show accessible route of travel on site plan. The rec. areas and mail kiosk areas must be accessible. All residents must have accessibility to common areas, i.e., on-site side walk connection to off-site sidewalk (or if not possible due to grades, provide drop offHC space), rec. spaces. Entrance to building must be HC accessible. • / Pre-Application: AOIPM115 Sensitive Areas (Wetlands/Streams) Review Bill Kerschke, Senior Ecologist 206-296-7292 bkerschke@metrokc.gov 1) Please submit a Sensitive Areas report (wetlands and streams is applicable) for the subject parcels as required by King County Code (KCC 21A.24.110 and 21A.96.l395). All sensitive areas within 165 feet of proposed project activities should be delineated, described, and classified (See KCC 2IA.06.l415) with justification for the delineation and chi.ssifications. See KCC 21A.24.320 (wetland development standards) for a description of wetland minimum buffer requirements. King County will need to verifY the identified wetland boundaries and wetland classifications prior to approval of any: site.'pians. If any discrepancies are noted during King County's wetland review; the projects site plans will need to be updated to accurately depict sensitive areas on the parcels. 2) On project site plans, you indicate that' you wish to fill two wetlands and impact associated buffers. A sensitive Areas study (wetland delineation/classification), as referenced above, will need to be submitted so that King County can review/verifY the wetland boundaries and classifications. At that time, a determination will be made as to whether or not the subject wetlands can be altered/filled (under King County Code). 3) Project site plans also indicate that a proposed RID vault (north vault) and road may be located within a Class 2 wetland buffer and its associated l5-foot BSBL. Structures such as RID vaults are not permitted within wetland buffers or BSBLs. Roads are not permitted within wetland buffers but may be allowed within the 15-foot BSBL. Please relocated the RID vault-,<IIl(i;road,so that it is outside of the sensitive area buffer and 15-foot BSBL. King County may approve a proposal for stream and wetland buffer width averaging if you can demonstrate that the total area contained in the buffer on the site does not decrease and that the proposal will provide additional protection to the stream (Public Rules 21A-24-016). The minimum buffer width can not be less than sixty-five percent of the standard buffer width. The additional buffer must be contiguous with the standard buffer and permanent signs must be established to identify the presence of the sensitive areas (Public Rules 21A-24-0l6 C.). Mitigation (See King County Mitigation Handbook) may be required forbuffer width averaging to assure that the averaging would result in enhancement to the buffer's overall function. Prior to determining if buffer averaging would be appropriate for this project, a King County Senior Ecologist would need to make a site visit to evaluate the project areaibuffers to be averaged. If buffer width averaging is appropriate for the project, you would need to provide an assessment of buffers impacted and a mitigation plan for buffer impacts. If buffer width averaging can not be cqIllP\lltl"q (i.e. no opportunity to enhance buffer . .; functions and provide additional protection to the stream/wetland) you may apply for a variance (Public Rules 2IA-240019). Based on the provided site plan, it appears that you intend to discharge stormwater to a wetland. Surface water discharge to a wetland from a flow control or water quality treatment facility, sediment pond or other surface water management activity or facility may be allowed if the discharge does not increase the rate of flow, change the plant composition in forested wetlands or decrease water quality (KCC 21A.24.330 H.1.). To satisfy code compliance, you will needio complete a hydrologic assessment to measure or estimate elements of wetland hydrolperiods under existing pre- development and anticipated post-development conditions. The assessment should be performed with the aid of a qualified hydrologist. Post-development estimates of watershed hydrology and wetland hydroperiod must include the cumulative effect of all anticipated watershed and wetland modifications. The hydrologic analysis can be performed using KCRTS. Please contact me if you have any further questions regarding the hydrologic analysis. 4) Project site plans must depict all sensitive areas, associated buffers, and IS-foot Building Setback Lines ((BSBL) KCC 21A.24 200» in relation to all proposed project developments. Site plans must,also include the extent of all clearing limits in relation to sensitive areas and associat~d buffers, • {]-\V(=:~I 8--NON-\Vf~;t t~· CAt~· ~\..~~ "-±'ST" l\1EETING> KfNG COUNT'{TRACKfNG NUMBER A.O\flAA..llS DATE \. f:,'()'I PROJECT NAME LA-r-"o?-T U I\J~ :rOW~' 00 'u~ TST MEMBER/PHONE NUMBER _______ ----___ _ . / FOLLOWING (S A LlSTtNG OF CONCER['ISfISSUES ~TH THIS PROJI£CT: • "-.) ~~~. ~ ~ "-"\ l""'-'-' ~ \ .. + \ V-"w rAJv.:". v;:. . • ~ • do , S &.. .. L--l o\.-' ?::, t 0 'Z. 'L,.. U ts c.., . , ') ... \A J~ ~ "0000 =J~t ~----r--~-------~---4~~-~ , l 0 0 r o...A..SL """ Ov 0 \.I,.i.. l -"--'::. t L...o" .......... 'l:. ~ A./.. 1S~. ~r~ (A.cu.Ah ~'""'~ ~ ~ +~'tJl.-" A " t~ o.J~ ~ ~ .. ~~ bo.A-~~ . • 1 fOtOW[NG [S A USTlNG Of CONCERNSf[SSUES WlTH TH[S PROJECT: I \ \ l. o t::) • UJ-O-l-to~~-0, ~,,-k~~. ~~ evv-..J., .. ~J,_ 0 v..--t W.~,E:,.C . ¥ ~ ~,\f::U: ~ () ~ c.. u...? """" < .... ~_ ~ ~'\' ,v.., '-' \-, ~ t;.s.-'\= W~ ~-..,.... ... '(?->S CMA ct lA.M.:.J. 't:. "' King County Fire Engineering Review Comments La Fortuna Townhouses Pre-application #AOIPMl15 January 8, 2002 1. Insufficient information was provided to complete fire flow calculations. The total square footage of each building, types of construction and elevation drawings for each building are necessary. Title 17 of the King County Code requires multi-family buildings with five or more units; or three or more floor levels (not stories), to be sprinklered NFPA 13R. Additionally, any building with an unsprinklered fire flow requirement of 2,000 gpm or more to be sprinklered. Typically, due to their proximity to other buildings and property lines, most 4-plex buldings must be sprinklered; constructed VI-hour; or be divided at least once with a 2-hour area separation wall. 2. A valid certificate of water availability has to be submitted with the building pennit application. 3. At least two fire hydrants will be required within the complex. The fire hydrant and sprinkler FDC (fire department connection) locations can be established when the formal fire flow review is conducted after permit application. 4. As submitted, access for fire apparatus appears acceptable. No parking will be permitted on the on-site roadways (fire lanes). The on-site roadways must be marked/signed in an approved manner as outlined in Title 17 of the King County Code. 5. Separate permits are required for: • Fire hydrants/water main installation • Sprinkler system supply main and FDC • Sprinkler systems • Automatic fire alarm systems • Monitoring system Please feel free to contact me between the hours of 6:30am and 3pm at (206) 296-6785, fax number (206) 296-7002, or by email at bill.rnudd(ivrnetrokc.gov. William H. Mudd, Fire Protection Engineer, .v' • "TST" l\1EETING o \VCT o NON-\VCI KING COUNTY TRACKING NUMBER A C) 1 P /I/L Lil""--DATE PROJECTNAMEL.A hrfLTUNA ~~NN.OC)<;F> TST MEMBERfPHONE NUMBER U tGI"-El}/ CE 0<--1 N &'1:(5) iN ( 'Lo & ') "Z. Co3 -(g l Cl :> FOLLOW[NG [S A USTlNG OF CONCERNS/ISSUES WITH THIS PROJECT: I, ) t--l T t? fLN IA L Pte-C IE<;;' s 12 U"l'"£t 10/ PfLoF rt4 IN Cl rt.. ';C) Lt:...€:-Ss ( u, f'Yt A'I E (LC-l I'l-l..) ~ T (d~ fi?iS . .s I.t> IP ,0 R. F I"U:'~ IF tl ~ lb , ) • • f! , ~ ~ 0 , 8. f:! ~ ~ ,- -" ~ '" S ~ ... '-' "' UJ Cl '1! ~ Cl "" A enss! >-UOH"jOS9J ., ijJ ~ enssl Co § u61SepeJ u \J.. 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King County Department of Development and Environmental Services Building Servi(es Division 900 Oakesdale AVenue Southwest Renton, WA 98055~1219 Name ])/1114 SA-",~"" WO~ ~ f) LC L< t?r J-t /.::: fGl b--~ '-'< "T'" v'" I M.ci; VhliIYV ~!I!\/ )[/0\ /~ I I~j' vkphI- i. , l\ -'liZ NIT I L S· :h11'1L Cu&o~· y E0L.i /1..- I5H.L mUPI> lSi, \ K(\l"~I....\'" \L...... fRO'~ALDo l#e/..SClltEi2.- ~iY-. (:L Ie. A ~ t:.LA Y)J G 7- P;rrR-U( $IMI'{~NJ Ai A11{1,r Nvf/Jkl n5 if , Project No.: ADlfMII6'" Date: 1'~·?dt2 '2.. MEETING SIGN-UP SHEET Representing (area code) Phone No. & Fax No. Phone No.: ("JAI» 21(' -71er{ 8~p /I'/!.().;/ eu-,wA~,4t:,~ FAX No.: (~)Zf'v·7Ztr E-Mai I:?) ""''' . .5'A..IH?iI(),. #iiil'NiUK<!. "', ... 1~"',,1bL.~ .. Phone No.: (~ 't.~ t..,(j·r~~ FAX No.: (~ -z...~ "1"Z.'2..:i1 E-Mail: ~o~r\."1o.C. (?, \M..c. MI~. {(C.De;T Phone No.: (49~ '2.i.. :? -Ca. l 0 .3 7!ZA-FFLt., FAX No.: ~"-)'V1c.. .. 6' r7G-- E-Mai 1d.,. c.l<, e..J-L-.. e.-/ .... ., f.o .... 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(. -"" 3~ Co FAX No.: (~)z.q" "c.'':s E-Mail: cl:fSi'o..;\-5 I trI ,.., oN > (ii 11 off£/. Ytth;A .' iJc,Ait'IYfj ~ Phone No.: (/tW) 2'1(.<·1I2d FAX No.: (" ) '. ,7 Z7'j- L#1v. 5VtV/~: E-Mail: l7aJuVJ i n..Vjy",·tL) ('MiI'vz;J:c,qiJI , ~ Phone No.: ( ) FAX No.: ( ) E-Mail: Phone No.: ( ) F.tV:: No.: ( ) E-Mail: Dev. Condo Ql ery Result -DDES, King County Washington Page I of I Development Condition Query Results - Parcel Search Parcel Number: 0739000015 Listed below are both Post-Conversion and Pre-Conversion development conditions which are associated with the parcel you entered. To view text for a development condition, choose a condition code in either box below and click on a Get Text button. Otherwise click on 'New Query' at the bottom of this page to perform another parcel search. Post-Conversion Conditions Pre-Conversion Conditions (Effective August 18, 1997) (Prior to August 18,1997) KCC-16.82.150D SCP-P3 SC-P3 SCP-P4 SO-220 SCP-P7 --'--~-'-'-"'---- Updated: December 29,1998 King County I DOES Page I DOES/GIS Page I New Query I Neltl,l~ I Services I Comments I Search Links to external sites do not constitute endorsements by King County. By visiting this and other King County web pages, you expressly agree to be bound by terms and conditions of the site. The details. http://www6.metrokc.gov/ddes/condprint.cfin 12/1912001 Dev. Condo Query Result -DOES, King County Washington Page 1 of I Development Condition Query Results - Parcel Search Parcel Number: 0739000020 Listed below are both Post-Conversion and Pre-Conversion development conditions which are associated with the parcel you entered. To view text for a development condition, choose a condition code in either box below and click on a Get Text button. Otherwise click on 'New Query' at the bottom of this page to perform another parcel search. Post-Conversion Conditions Pre-Conversion Conditions (Effective August 18, 1997) KCC-16.82.150D SC-P3 SO-220 Updated: December 29,1998 (Prior to August 18, 1997) I SCP-P3 SCP-P4 SCP-P7 King County I DOES Page I DOES/GIS Page I New Query I News I Services I Comments I Search Links to external sites do not constitute endorsements by King County. By visiting this and other King County web pages, you expressly agree to be bound by terms and conditions of the site. The details., http://www6.metrokc.gov/ddes/condprint.cfin 1211912001 Dev. Cond. Query Result -DDES, King County Washington Page 1 of 1 Development Condition Query Results - Parcel Search Parcel Number: 0739000026 Listed below are both Post-Conversion and Pre-Conversion development conditions which are associated with the parcel you entered. To view text for a development condition, choose a condition code in either box below and click on a Get Text button. Otherwise click on 'New Query' at the bottom of this page to perform another parcel search. Post-Conversion Conditions Pre-Conversion Conditions (Effective August 18, 1997) (Prior to August 18, 1997) KCC-16.82.150D SCP-P3 SC-P3 SCP-P4 SO-220 SCP-P7 Updated: December 29,1998 King County I DOES Page I DOES/GIS Page I New Query I News I Services I Comments I Seg[Cll Links to external sites do not constitute endorsements by King County. By visiting this and other King County web pages, you expressly agree to be bound by terms and conditions of the site. The details. http://www6.metrokc.gov/ddes/condprint.cfin 12/1912001 Dev. Condo Query Result -DDES, King County Washington Page 1 of7 Development Condition Query Results Post-Conversion Condition: KCC-16.82.150D Effective: August 18, 1997 KCC-16. 82.150 existed prior to the adoption of Ord. 12822. However, this ordinance reworked the numbering of the code and added to it. It was at this time that the content now present in Sections C & 0 was put in. Description Seasonal Clearing Restrictions Development Condition Text Ordinance 9614, Section 103, as amended, and K.C.C. 16.82.150 are hereby amended to read as follows: Clearing standards. A. For clearing and grading permits issued under this chapter, the current clearing standards contained in this section and in the following regulations shall apply: _1. The Sensitive Areas Code, K.C.C. 21A.24, and its adopted administrative rules; _2. property specific development standards pursuant to K.C.C. 21A.38; _3. Critical drainage area designations identified by adopted administrative rule; and _4. Wildlife habitat corridors pursuant to K.C.C. 21A.14. B. Within sensitive areas designated pursuant to K.C.C. 21A.24, uses shall be limited to those specified in that chapter. Within any other areas subject to clearing restrictions referenced or contained in this section, the following uses are allowed under a clearing permit: _1. Timber harvest in accordance with a timber harvest management plan and clearing permit approved by the department of development and environmental services or a successor agency. That department shall promulgate administrative rules specifying the contents of, and the submittal requirements and approval criteria for, timber harvest management plans in consultation with the department of natural resources prior to any http://www6.metrokc.gov/ddes/c _ cur.cfm 1211912001 Dev. Condo Query Result -DDES, King County Washington Page 2 of7 permit approvals for timber harvest within these tracts or easements; _2. Passive recreation uses and related facilities, including pedestrian and bicycle trails, nature viewing areas, fishing and camping areas, and other similar uses that do not require permanent structures, provided that cleared areas and/or areas of compacted soils associated with these uses and facilities do not exceed eight percent of the area of the tract or easement. Within wildlife habitat corridors, trail widths shall be the minimum allowed under adopted trail standards and no other recreation uses shall be permitted in the 150 foot minimum width of the corridor; _3. Utilities and utility easements, including surface water facilities, provided that such uses are within or adjacent to existing road or utility easements whenever possible. Within wildlife habitat corridors, existing or multiple utility uses within established easements shall be allowed within the 150 foot minimum width of the corridor. Development of new utility corridors shall be allowed within wildlife habitat corridors only when multiple uses of existing easements are not feasible and the utility corridors are sited and developed using county-approved best management practices to minimize disturbance; and _4. Removal of dangerous and or damaged trees. C. For the RA (Rural Area) zoned areas in either the Bear Creek Basin, Issaquah Creek basin, the Soos Creek basin, the East Sammamish Community Planning Area or the Bear Creek Community Planning Area: _1. Clearing shall be limited to a maximum of 35 percent of the lot or plat area or the amount legally cleared prior to the effective date of any clearing regulations in effect at the time of the clearing, whichever is greater, except under conditions specified below: _a. Clearing shall be limited to a maximum of 60 percent of the lot or plat area if the approved permit requires flow control and water quality facilities in accordance with standards set forth in the applicable adopted basin plan and the King County Surface Water Design Manual; _b. In the Soos Creek basin, clearing shall be limited to a maximum of 80 percent of the lot or plat area, except in designated Regionally Significant Resource Areas where clearing shall be limited to a maximum of 65 percent of the lot or plat area. Buffers for all sensitive areas designated under K.C.C. Title 21A and sensitive areas except for submerged lands may be counted towards meeting the requirement. Building permits for single-family residential building on individual lots shall be exempt from the clearing limit in the Soos Creek basin; _c. Clearing required for the construction of access, utilities and septic systems to serve any lots 1.25 acres or smaller in size shall not be counted towards the 35 percent maximum clearing standard; _d. On individual lots smaller than 20,000 square feet, up to 7,000 square feet may be cleared; and _e. Clearing standards for Urban Planned Developments and Mineral zoned properties http://www6.metrokc.gov/ddes/c _ cur.cfm 12/1912001 Dev. Condo Query Result -DDES, King County Washington Page 3 of7 will be determined through their own designated review processes. _2. For subdivisions and short subdivisions, portions of the plat that are required to remain uncleared shall be retained in one or more open space tracts, with all the developable lots sited on the portions of the plat approved to be cleared. Sensitive areas designated under K.C.C. Title 21A shall be recorded separately from tracts mandated by this regulation, but may be counted towards meeting these requirements. Tracts mandated by this regulation may be retained by the subdivider, conveyed to the residents of the subdivision, or conveyed to a third party. Open space tracts shall be shown on all property maps and shall be protected by covenants, approved by the County, that restrict their uses to those listed in K.C.C. 16.B2.150.8. All open space tracts established pursuant to this regulation shall be clearly marked with at least one sign per buildable lot adjoining the tract indicating that the tract is permanent, dedicated open space. _3. For individual lots, the clearing limits shall be applied at the time of building permit application unless the lot is within a subdivision that has been approved with other conditions to meet the standard established in paragraph C2. In cases where conditions are applied to subdivisions, individual lots shall be exempt from the clearing restrictions in paragraph C1. The uses and restrictions on the uncleared portions of individual lots shall be those specified in K.C.C. 16.B2.150.B. Sensitive areas designated under K.C.C. Title 21A may be counted towards meeting requirements on individual lots. _4. The subdivision or permitting of building on parcels that are cleared in violation of the regulations in effect at the time of the clearing shall be subject to conditions requiring the restoration of trees and understory vegetation on at least 65 percent of the plat or lot, or, where applicable, on the percentage of the site that was to remain uncleared under paragraph C 1. A restoration plan shall be required of permit applicants, and shall be subject to the approval of the department of development and environmental services. That department shall prepare administrative rules regarding the review and approval of restoration plans in consultation with the department of natural resources before approving subdivision or building permits for parcels cleared in violation of applicable clearing regulations. The administrative rules shall also specify when a restoration plan will be deemed sufficient to forgo the six (6) year moratorium on permitting authorized in K.C.C.16.B2.140. _5. In the Bear Creek basin and the Bear Creek Community Planning Area, the requirements of paragraphs C1 through C4 shall be modified or waived by the director for proposed projects that meet the following conditions: _a. The project shall consist of one or more of the following uses: 1. Government services listed in K.C.C. 21A.OB.060, 2. Educational services listed in K.C.C. 21A.OB.050, 3. Parks as listed in K.C.C. 21A.OB.040 when located adjacent to an existing or proposed school, 4. Libraries listed in K.C.C. 21A.OB.040, and http://www6.metrokc.gov/ddes/c_cur.cfm 12/1912001 Dev. Condo Query Result -DDES, King County Washington Page 4 of7 5. Road projects; _b. The project site shall not be located in a designated Regionally Significant Resource Area except for utility corridors that can demonstrate no feasible alternative; _c. The project shall clear the minimum necessary to accommodate the proposed use; and _d. the project shall meet the on-site flow control and water quality standards set forth in the applicable adopted basin plan and the Surface Water Design Manual. The modification or waiver shall not exempt the project from any other code provisions which may apply. The director's decision may be appealed to the zoning and subdivision examiner pursuant to K.C.C. 20.24, provided that any such appeal must be consolidated with an appeal, if any, heard by the examiner on the merits of the proposed project. _6. In the Issaquah Creek basin, the Soos Creek basin and the East Sammamish Community Planning Area, the following standards shall apply: _a. In the Regionally Significant Resource Areas, except for utility corridors that can demonstrate no feasible alternative, the requirements of paragraphs C1 through C4 shall apply; _b. In areas outside of the Regionally Significant Resources Areas, projects that consist of one or more of the uses identified in C5(a)(1) to (4) shall be exempt from the requirements of paragraphs C1 through C4; and _c. The project shall clear the minimum necessary to accommodate the proposed use. When determining the minimum necessary to accommodate the proposed use, the applicant shall demonstrate that they have considered alternative site and building plans to minimize lot coverage, including multiple story buildings and parking alternatives. D. Construction projects can be a significant contributor of pollution to streams and wetlands. Therefore, from October 1 through March 31, in the Bear Creek Community Planning Area, the Northshore Community Planning Area, the East Sammamish Community Planning Area and the Soos Creek basin: _1 . Clearing and grading shall only be permitted if shown to the satisfaction of the director that silt-laden runoff exceeding standards in the King County Surface Water Design Manual will be prevented from leaving the construction site through a combination of the following: _a. site conditions including vegetative coverage, slope, soil type and proximity to receiving waters; _b. limitations on activities and the extent of disturbed areas; and _c. proposed erosion and sedimentation control measures. _2. The director shall set forth in writing the basis for approval or denial of clearing or grading during this period. http;/lwww6.metrokc.gov/ddes/c_cur.cfin 12/1912001 Dev. Condo Query Result -DDES, King County Washington Page 5 of7 _3. Clearing and grading will be allowed only if there is installation and maintenance of an erosion and sedimentation control plan approved by the department which shall define any limits on clearing and grading or specific erosion and sediment control measures required during this period. Alternate best management practices may be approved or required on-site by the inspector. _ 4. If, during the course of construction, silt-laden runoff exceeding standards in the King County Surface Water Design Manual leaves the construction site or if clearing and grading limits or erosion and sediment control measures shown in the approved plan are not maintained, a notice of violation shall be issued. _5. If the erosion and sediment control problem defined in the violation is not adequately repaired within 24 hours of the notice of violation, then a notice and order may be issued by the inspector to install adequate erosion and sediment control measures to stop silt- laden runoff from leaving the site. The notice and order may also require the contractor to discontinue any further clearing or grading, except for erosion and sediment control maintenance and repair, until the following March 31. _6. The following activities are exempt from the seasonal clearing and grading requirements of this subsection: _a. Routine maintenance and necessary repair of erosion and sediment control facilities; _b. Routine maintenance of public facilities or existing utility structures as provided by K.C.C.21A.24.050.B; c. Activities where there is 100 percent infiltration of surface water runoff within the site in approved and installed erosion and sedimentation control facilities; _d. Typical landscaping activities of existing single family residences that do not require a permit; _e. Class I, II III and IV Special forest practices; _f. Mineral extraction activities on sites with approved permits; and _g. Public agency response to emergencies that threaten the public health, safety and welfare. Ordinance 12822 Effective Date August 18, 1997 Changes htlp:llwww6.metrokc.gov/ddes/c cur.cfm 12/19/2001 Dev. Condo Query Result -DDES, King County Washington Page 6 of7 KCC-16.82.150 existed prior to the adoption of Ord. 12822. However, this ordinance reworked the numbering of the code and added to it. It was at this time that the content now present in Sections C & 0 was put in. View Map(s) for KCC-16.B2.150D. (Click on a map name in the list) Note: If there are more than one map listed below, there may be a map file ending with a "_x" which provides an index for the remainder of the maps. KCC-16.82. t50D 1.gif KCC-16.82.150D 10.gif KCC-16.82.150D 11.gif KCC-16.82.150D 12.gif KCC-16.82.150D 13.gjf KCC-16.82.150D 14.gif KCC-16.82.150D 15.gif KCC-16.82.150D 16.gif KCC-16.82.150D 2.gif KCC-16.82.150D 3.gif KCC-16.B2.150D 4.gif KCC-16.B2.150D 5.gif KCC-16.82.150_D~ KCC-16.B2.150D 7.gif KCC-J6.82.150D B.gif KCC-16.B2.150D 9 .. 9if KCC-16.B2.150D X.gif Pre-Conversion Development Conditions Associated with the Above Condition There are 5 Pre-Conversion Development Conditions associated with KCC-16.82.150D. Use http://www6.metrokc.gov/ddes/c _ cur.cfm 12/19/2001 Dev. Condo Query Result -DOES, King County Washington Page 7 of7 the links below to reference them on another page. Pre-Conversion Equivalent ESE':f'J 7 ESP-P20 NSP-P2 SCP-P4 TRH-P2 8<'!cl< to Code List I Updated: December 29, 1998 King County I DOES Pag~ I DOES/GIS Page I New Query I New~ I Services I Comments I Search Links to external sites do not constitute endorsements by King County. By visiting this and other King County web pages, you expressly agree to be bound by terms and conditions of the site. The details. http://www6.metrokc.gov/ddes/c_cuLcfm 12/19/2001 Dev. Condo Query Result -DOES, King County Washington Page 1 of 4 Development Condition Query Results Post-Conversion Condition: SC-P3 Effective: August 18, 1997 This Condition has been repealed by Ord # 13278 as of October 5, 1998 Description Clearing and Grading Development Condition Text This Condition has been repealed by Ord # 13278 as of October 5, 1998 Clearing and Grading As a general rule, the vegetation on a development site should be retained as long as possible to reduce impacts. Even after construction has begun, permanent retention of as much of the native vegetation as possible is important and contributes to mitigating the adverse impacts. Native vegetation is adapted to the conditions of the Northwest including summer drought, winter temperatures, insect pests, and diseases. Native vegetation provides food, shelter, and breeding sites to which local wildlife has adapted. Temporary erosion control and drainage facilities are required to be in place prior to any clearing on a plat. Once the roads and utilities have been constructed and the plat has received final approval, the construction of individual homesites begins. The cumulative sedimentation from the construction of a number of single family homes without erosion control can be significant. Generally, individual single family residential homes fall below the threshold for drainage and erosion control plans pursuant to the Surface Water Design Manual. As a result, erosion and sedimentation control are needed for individual development. In addition, tighter controls should be placed on the clearing that occurs during the plaiting process. Under present conditions, sites are often completely cleared very early in the development process, sometimes long before there are any building permits issued for a site. During the time between clearing and site development, substantial erosion and sedimentation can occur. Until there is a need to remove the existing vegetation for construction, the forest should remain in order to protect surface and ground water quality, and to provide wildlife habitat. When construction does occur, the surface water management facilities should be installed first, in order to control the http://www6.metrokc.gov/ddes/c _ cur.cfm 12/19/2001 Dev. Condo Query Result -DOES, King County Washington Page 2 of 4 increased surface water flows that will occur when the site is cleared. Commercial property should not be cleared until after approval of an individual site plan. This delay will allow for integrating the existing vegetation and trees on site into the overall landscape design. Policy NR-7 states: NR-7 _Clearing and grading should be limited to all short plats, plats, and commercial projects to protect water quality, limit surface water runoff and erosion and maintain wildlife habitat and visual buffers. The following areawide P-suffix conditions implement policy NR-7. These conditions shall apply throughout the Soos Creek planning area. The conditions shall expire automatically upon the effective date of an adopted Countywide clearing ordinance. _1._Subdivisions, Short Subdivisions and PUDs. The following conditions apply only to applications for subdivisions, short subdivisions and PUDs. Deviations from these standards may be allowed based on a special study prepared by a qualified forester with expertise in windthrow or tree disease. _a._Lot clearing during road and utility construction. The building envelope on each buildable lot shall be identified on the engineering plans. The following table specifies the maximum size of the building envelope based on actual average lot size: _Lot Size (in sq. ft.LBuilding Envelope _Greater than 15,000_5,000 sq. ft. _9,001-15,000_35% of lot size _5,000-9,000_45% of lot size _Less than 5,000_55% of lot size _Except as provided in subsection 1.b., the clearing of building envelopes shall occur at the same time as the clearing for roads and utilities. The clearing limits for each building envelope shall be clearly marked or flagged on each lot and inspected prior to any clearing. Erosion and sedimentation controls shall be instituted on the building envelopes as required by the Surface Water Design Manual. The vegetation remaining after initial clearing of the building envelope may be preserved or cleared as deemed appropriate by the permittee of the residential building permit for that lot after its approval and issuance. b._Lot-by-lot clearing. In subdivisions, short subdivisions and PUDs served by on-site septic systems, clearing on individual lots shall be postponed until the approval and issuance of the individual residential building permit for each lot. No clearing on the individual building lots shall occur during the construction of roads and utilities except that necessary to accommodate cuts and fills due to topography and road design. Erosion and sedimentation control plans shall be designed through buildout including sediment pond sizing. All building permits shall have erosion control measures consistent http://www6.metrokc.gov/ddes/c_cur.cfm 12/1912001 Dev. Condo Query Result -DDES, King County Washington Page 3 of 4 with the Surface Water Design Manual standards. _In subdivisions, short subdivisions and PUDs served by sewers, the applicant may opt to postpone clearing on individual building lots until the approval and issuance of the individual residential building permits for each lot. Under this option, no clearing on individual building lots shall occur during the construction of roads and utilities except that necessary to accommodate cuts and fills due to topography and road design. Erosion and sedimentation control plans shall be designed through buildout including sediment pond sizing. All building permits shall have erosion control measures consistent with the Surface Water Design Manual standards. Ordinance 12824 Effective Date August 18,1997 Changes This Condition has been repealed by Ord # 13278 as of October 5, 1998 View Map(s) for SC-P3. (Click on a map name in the list) Note: If there are more than one map listed below, there may be a map file ending with a "_x" which provides an index for the remainder of the maps. SC-P3 1.gif SC-P3 2.gif SC-P3_3.gif SC-P3 4.gif SC-P3 5.gif SC-P3~6,gjf SC-P3j.gif Pre-Conversion Development Conditions Associated with the Above Condition Pre-Conversion Equivalent http://www6.metrokc.gov/ddes/c_cur.cfm 12/1912001 Dev. Condo Query Result" DDES, King County Washington Page 4 of 4 SCP-P3 Sack to Code List I Updated: December 29, 1998 King County IDJdES Page I DOES/GIS Pag.e.1 New Query I New::> I Services I Comments I Search Links to extemal sites do not constitute endorsements by King County. By visiting this and other King County web pages, you expressly agree to be bound by tenns and conditions of the site. JJle . ..details. http://www6.metrokc.gov/ddes/c cur.cfm 12/1912001 Dev. Condo Query Result -DDES, King County Washington Page 1 of7 Development Condition Query Results ....• __ ._---..• _._._------- Post-Conversion Condition: 50-220 Effective: August 18, 1997 Ammended by Ord. 13576, 7122/99, removed area now covered by NS-P23 Description Significant Trees SOO Development Condition Text Significant Trees. A. The purpose of the significant trees special district overlay is to provide a means to designate areas losing their natural vegetation that characterizes their community and receiving the accompanying impacts from increased stormwater runoff and decreased wildlife habitat. This district overlay limits removal of significant trees in these urbanizing areas to reduce visual impacts of development and maintain a portion of the natural vegetation and soils characteristic of the Pacific Northwest. B. The following development standards shall be applied to all residential, commercial (including golf courses), industrial or institutional development proposals located within a significant tree district overlay: 1. Significant tree retention rates. Except when replacement trees are used as provided in subsection B.5, significant trees defined pursuant to K.C.C. 21A.06 shall be at a minimum retained as follows: a. Exclusive of the area required for site access by vehicles, pedestrians, or utility infrastructure, significant trees shall be retained within required perimeter landscape areas at the following rates: (1) One hundred percent for the interior perimeters. (2) Seventy-five percent for the street perimeter, provided that this standard may be reduced to 50 percent for retail commercial developments if: (a). the combined landscaping and tree retention requirement is shown by the applicant to result in: http://www6.metrokc.gov/ddes/c_cuLcfm 12/19/2001 Dev. Condo Query Result -DDES, King County Washington Page 2 of7 i. the loss of the line-of-sight necessary for identification of the retail commercial development; and ii. a vegetative buffer exceeding the screening characteristics of a Type III landscape screen; or (b) The average width of the street perimeter landscape area is increased by 50 percent, provided that within the additional landscape area, significant trees are retained at the rate consistent with subsection c; b. If any portion of the lot contains erosion hazards, significant trees located in the interior of separate lots, including sensitive areas or their buffers, shall be retained in single detached dwelling development at the rate of 20 trees per acre or ten percent of such trees, whichever is greater; c. Significant trees located in the interior of the development proposal, including sensitive areas or their buffers, shall be retained in a residential subdivision at the rate of 20 trees per acre or ten percent of such trees, whichever is greater; d. Significant trees located in the interior of the development proposal, excluding sensitive areas or their buffers, shall be retained in an apartment or townhouse development at the rate of 20 trees per acre or ten percent of such trees, whichever is greater; e. Significant trees located in the interior of the development proposal, excluding sensitive areas or their buffers, shall be retained in commercial or industrial development at a rate of ten trees per acre or five percent of such trees, whichever is greater; f. Significant trees located in the interior of the development proposal, excluding sensitive areas or their buffers and areas designated for sport fields, playfields or other recreational facilities, shall be retained in institutional developments at a rate of ten trees per acre or five percent of such trees, whichever is greater; g. Utility developments and mineral extraction operations shall be exempt from the significant tree retention requirements of this section; and h. Project sites with 25 percent or greater of the total gross site area in sensitive areas, sensitive area buffers and other areas to be left undisturbed such as wildlife corridors, shall be exempt from the significant tree retention requirements of this chapter; 2. Retention plan. The applicant shall submit tree retention plans as follows: a. A significant tree inventory shall be submitted for review prior to or with submittal of development permit applications. The tree inventory may be conducted by any method that reflects general locations, numbers and grouping of significant trees on-site; and b. A detailed tree retention plan shall be submitted for review prior to or with submittal of grading permit applications or other permit applications incorporating grading plans. This plan shall identify the exact location, size, species, and condition of the Significant trees proposed to be retained, transplanted or replaced in order to comply with this chapter; http://www6.metrokc.gov/ddes/c cur.cfm 12/19/2001 Dev. Condo Query Result -DOES, King County Washington Page 3 00 3. The retention requirements shall be met as follows: a. Except as provided in subsection b, the applicant shall determine that the final tree retention plan does not include significant trees unable to survive more than ten years after the date of project completion due to: (1) Damage or disease; (2) Safety hazards due to potential root, trunk or primary limb failure; (3) Windfall; or (4) Age in relation to the normal lifespan of the tree species; b. At the discretion of the county, damaged or diseased or standing dead trees, not classified as a danger tree, may be counted toward the significant tree requirement if demonstrated that such trees will provide important wildlife habitat; c. A significant tree may be credited as two trees when it meets one or more of the following characteristics: (1) The tree is 18 inches or greater in diameter; (2) The tree is located in a grouping of at least five trees with canopies that touch or overlap; (3) The tree provides energy savings through winter wind protection or summer shading as a result of its location relative to buildings; (4) The tree belongs to a unique or unusual species; (5) The tree is located within 25 feet of any sensitive area or required sensitive area buffers; or (6) The tree is listed on a historical register; and d. The department shall, pursuant to K.C.C. 2.98, develop and maintain an advisory listing of trees recommended for retention. Such list shall describe their general characteristics and suitability, and provide guidelines for their retention; 4. Protection. To provide the best protection for significant trees designated for retention, the development shall comply with the following: a. No tree removal for a project action shall be allowed prior to the county approval of a grading permit consistent with tree retention and landscape plans; b. Prior to clearing for a project action, trees to be retained shall be flagged; c. Prior to grading for a project action and throughout construction, a temporary chainlink http://www6.rnetrokc.gov/ddes/c _ cur.cfrn 12/1912001 Dey, Cond, Query Result -DDES, King County Washington Page 4 of7 or plastic net fence shall be used to identify the protected area of any significant tree designated for retention, The height of such fencing shall be adjusted according to the topographic and vegetative conditions of the site to provide clear visual delineation of the protected area, The size of protected area around the tree shall be equal to one foot diameter for each inch of tree trunk diameter measured four feet above the ground; and d. At no time during and after construction shall the following be permitted within the area described in subsection c: (1) Impervious surfaces, fill, excavation, or storage of construction materials; or (2) Grade level changes, except in limited circumstances where proposed improvements using permeable materials are determined by an arborist to be non-detrimental to the trees root system; and e. Alternative or additional protection methods may proposed and be used if determined by the director to provide equal or greater protection for trees designated for retention; 5. Plan modifications and tree replacement are permitted as follows: a. Any significant tree in the interior may be replaced by another significant tree in the interior; b. If the required number of Significant trees cannot be retained, then non-significant sized trees may be retained or new trees may be planted to meet significant tree requirements as follows, provided that the reason for the purpose of this subsection, the significant tree to be replaced by the new or existing replacement tree is aSSigned a diameter of 12 inches: (1) When using replacement trees measuring three inches in diameter or greater (as measured by caliper), one-half inch diameter of replacement tree shall be provided for every one inch diameter of significant tree to be replaced; and (2) When using replacement trees measuring less than three inches in diameter (as measured by caliper), one inch diameter of replacement tree shall be provided for every one inch diameter of significant tree to be replaced; and c. An approved tree retention plan shall be modified to reflect any changes made pursuant to subsection a and b: and 6. Maintenance. The following provisions apply to significant trees where applicable: a. All significant trees shall be maintained for the life of the project; b. All Significant trees shall be pruned and trimmed as necessary to maintain a healthy growing condition or to prevent primary limb failure. This requirement shall not be interpreted to allow: (1) Topping of primary stems; http://www6,metrokc.goY/ddes/c _ cur.cfm 12/19/2001 Dev. Condo Query Result -DDES, King County Washington Page 5 of7 (2) Pruning that results in the loss of 20 percent of vegetative mass, and (3) Cutting of major roots, except in preparation for transplantation or as deemed necessary andlor acceptable by a certified arborist; and c. With the exception of dead, diseased or damaged trees specifically retained to provide wildlife habitat; other dead, diseased, damaged or stolen plantings shall be replaced within three months or during the next planting season if the loss does not occur in a planting season. C. The development standards set forth in paragraph B shall not be applied to institutional development proposals that consist of one or more of the following uses: 1. Government services listed in K.C.C. 21A.08.060, 2. Educational services listed in K.C.C. 21A.08.050, 3. Parks as listed in K.C.C. 21A.08.040 when located adjacent to an existing or proposed school, or 4. Libraries listed in K.C.C. 21A.08.040. Ordinance 12823 Effective Date August 18,1997 Changes Ammended by Ord. 13576,7/22/99, removed area now covered by NS-P23 View Map(s) for 80-220. (Click on a map name in the list) Note: If there are more than one map listed below, there may be a map file ending with a • _x· which provides an index for the remainder of the maps. de so-220 1 18.jpg de so-220 10 18. jpg dc so-220 11 18. jpg dc so-220 12 18.jpg http://www6.metrokc.gov/ddes/c_cur.cfin 12/1912001 Dev. Condo Query Result -DDES, King County Washington Page 6 of7 de so-220 14 18.jpg de so-220 15 18.1129 dcso-220 -16 18.jpg de 50:220 17 18' Jpg de so-220_ 18 18.jpg de so-220 2 18.jpg de so-220 3 18.jpg de so-220 4 18.jpg de so:220 5 18.jpg de so-no 6 18.jpg de so-220_7 18.jpg de so-220 8 1JUpg de so-220 9~18.jpg de so-220 x.jpg Pre-Conversion Development Conditions Associated with the Above Condition There are 2 Pre-Conversion Development Conditions associated with SO-220. Use the links below to reference them on another page. Pre-Conversion Equivalent NSP-P4 SCP-P7 Back to Code List I Updated: December 29, 1998 http://www6.metroke.gov/ddes/c_cur.cfm 12/19/2001 Dev. Condo Query Result -DOES, King County Washington Page 7 of7 . _ .. _._ ... _-_ ....... __ ... _---_.-_._ .. _--_ .. _.-._ ...•. _._--_._-_ .. _-- King County I DOES Page.l DOES/GIS Page I New Query I News I Service~ I Comments I SeaLe.1} Links to external sites do not constitute endorsements by King County. By visiting this and other King County web pages, you expressly agree to be bound by terms and conditions of the site. Thed~lq~ http://www6.metrokc.gov/ddes/c _ cur.cfm 12/19/2001 ®~ "t). ",.re·~'S,m -'-l tJ:;i ~t,~ , .. ."".,~ .. ""', ,,,!,,y:y-~+,y.,:,,:~,, # Of packets needed --L-t-l---- Pre-app # f"'tb \ -f M I I S-Date Mtg. Scheduled ~ ( -g ( v 2-e I '. 50 'f-'"'\ Name LA: oA-l'v\N'4 ,....,()vJNttO\ASP-s Who will chair the Meeting: (liN»--S. ANv2 (" 'l H ~ The following informational materials have been included: iJ I r o Property Specific Development Regulations for parcel ( 0') 3 "'! i){)-G ,) QJ}"Il>O-Ou'l-O ,0)3."1\)1)-602-p, ) o ES-P20 -Wildlife Corridor/Urban Separator ;:;-:. KCC 16,82.1500 -Seasonal Clearing Restrictions ~ SC-P3 -Clearing and Grading o SO-50 -Pedestrian-Oriented Commercial Development o SO-60 -Office/Research Park Development o SO-90 -Economic Redevelopment o SO-100 -Commercial Industrial o SO-120 -Agricultural Production Buffer o SO-130 -Residentiallnfill o SO-140 -Ground Water Protection o SO-150 -Aviation Facilities o SO-160 -Urban Aquifer Protection Area o SO-170 -Highway Oriented Development o SO-180 -Wetland Management Areas o SO-190 -Erosion Hazards near Sensitive Water Bodies o SO-200 -Heron Habitat Protection Area o SO-210 -Urban Stream Protection ,>('SO-220 -Significant Trees o SO-230 -Floodplain Density o SR 15-1 -Sensitive Lake Protection for Lake Sammamish Drainage Basin o SR 15-2 -Surface Water Retention/Detention Requirements (East Sammamish Community Planning Area) o TR-P44 -Clearing and Grading o o o o o Information about your site: o Current Zoning -(?. ...... ! 2..~ S D L-&> ~.s 'U o Comprehensive Plan DeSignation -_)_-''''' ...... M..::.+ ___ _ o Traffic MPS Zone -33.E? o School District -e-?W't N l{ tl1 o Fire District -qp )!> Residential Density Calculation Worksheet ,,-Certificates of sewer and water availability ~ Affidavit of application ~Fire District Receipt ~ Certification of Applicant or Applicant Transfer Status forms Y Informational Brochure and application for Transportation Concurrency o Copy of the Environmental Checklist o o o o Page 1 of 2 Preapp documents form.doc 10/02101 Informational Bulletins ~ # 1 -Phone Numbers o # 2 -Separate Lot o # 3 -Demolition Permits for Commercial and Residential Structures o # 4 -Damage Repairs o # 5 -Tenant Improvements o # 6 -Working with Contractors o # 7 -Obtaining a Mobile Home Permit o # 8a -Building Services Division Preapplication Meetings ~ # 8 -Commercial and Multifamily Building Permits o # 9 -Obtaining a Residential Building Permit o # 9a -Express Processing for Small Projects (Residential) o # 11 -Street Address and Road Names o # 12 -Residential Building Permit Process o # 12a -Residential Basics Program ;< # 13 -Fire Systems Permits o # 14 -Daycare Establishments o # 15 -Complaints o # 16 -Shoreline Erosion Control o # 17a -Zoning Code -Overview and Summary o # 18a -Permitted Use Tables (1993 Zoning Code Title 21A) o # 19a -Irrigation System Requirements (1993 Zoning Code Title 21A) o # 20a -Sign Requirements (1993 Zoning Code Title 21A) -;< # 21 -Sensitive Area Review X # 22 -Landscaping Requirements (1993 Zoning Code Title 21A) o # 23 -Certified Wood Stoves X # 24 -On-Site Recreation o # 25 -Short Subdivisions 1< # 26 -The SEPA Process o # 28 -Clearing and Grading o # 29 -Drainage Review o # 31 -Right of Way o # 34A -Road Variances o # 34B -Surface Water Design Manual Variances or Adjustments o # 35 -Permits for relocating a building 14 # 36 -Mechanical Permits o # 37 -Water Problems o # 38 -Flood Insurance and FEMA o # 39 -Private Residential Fire Sprinkler Systems o # 40 -Financial Guarantees (Residential, Commercial, Grading, Subdivisions) o #41 a -Animals and Livestock 'Y # 42 -Laws and Rules Governing Building and Development o # 43a -Home Occupations and Home Industries o # 44 -Underground Fuel tanks X # 45a -Recyclables (1993 Zoning Code Title 21A) l< # 46 --School Mitigation Payment System Information j<# 47 --Road Mitigation Payment System Information o # 48 -Transfer of Development Credits -Sending Site Process o # 49 -Transfer of Development Credits -Receiving Site Process o # 50 -Obtaining a Voluntary Home Earthquake Retrofit Permit Page 2 of2 Preapp documents form.doc 10102101 (DRS} ~~[;lE[)~y[E[Q) DEC 1 4 2001 K.C. D.D.E.S. Ao \' M til!:> D.R. STRONG CONSULTING ENGINEERS INC. 10604 NE 38 TH PLACE #101 KIRKLAND, WA 98033 PHONE 425·827·3063 FAX 425-827-2423 LET T E R OF T RAN S MIT TAL To: King County DOES From: Sherrie J. Wood for LRJ Address: 900 Oadesdale Avenue SW Renton, WA 98055-1219 Date: December 6, 2001 Re: Pre-Application Submittal Package Job Number: 01261.310 o COPY OF LETTER [gI PLANS o PRINTS o SPECIFICATIONS 181 FOR YOUR USE o FOR REVIEW o FOR APPROVAL COPIES DATE DESCRIPTION 16 12-4-01 La Fortuna Townhouses Benson Heights Addition 3 La Fortuna Townhouses Floor Plans 1 Commercial, MF Pre-Application Meeting Request Form 12 King Count}' Pre.Application Meeting 3 11-30·01 Draft Level One Downstream Analysis S 11-21·01 Draft SEPA for La Fortuna Townhomes 1 12-4-01 K. Best Construction, Inc. Check No. 4319 NOTES/COMMENTS, T,lkOI1210I261ITOI1206-ddes King County Department of Development and Environmental Services 900 Oakesdale A venue Southwest Renton, Wa.<;hington 98055-1219 January 8, 2002 Welcome to the mandatory pre-application meeting for La Fortuna Townhouses (A01 PM 115). The pre-application process allows us to identify potential code concerns and possible solutions early in the process. It also provides an opportunity for the design and review teams to interact and find a common understanding of the project, and to discuss concerns and solutions. In preparation for this meeting a packet of information as been assembled for you. On the following page you will find a list informational material included. During the meeting you may also receive additional handouts and material from participating staff. If there is additional information I can provide for you please let me know. Prior to the close of the meeting you will receive a sign-in sheet that includes all staff members names, phone and fax numbers so that you can discuss and additional technical questions directly with the appropriate discipline. King County is also placing a great deal of information on a web site -please check us out at www.metrokc.gov/ddes. Information on the King County and DOES home pages include access to King County codes, p-suffix and special district overlay information and zoning and comprehensive plan maps. Additional information is continually being added. Please let us know what other types of information would be helpful. I hope that this meeting and any follow-up discussions with staff help you in the preparation of your permit application. I am interested in hearing any comments that you might have about the process as it relates to you or in general. Please feel free to contact me at 206-296-6731. Sincerely, Pamela Dhanapal Technical Screening Supervisor Page 1 of 2 preapp welcome.doc 12119101 • The following informational materials have been included: • Property Specific Development Regulations for parcel (073900-0015) • KCC 16.82.150D -Seasonal Clearing Restrictions • SC -P3 -Clearing and Grading • SO-220 -Significant Trees • Information about your site: • Current Zoning -R-12-S0, R-8-S0 • Comprehensive Plan Designation -um • Traffic MPS Zone -336 • School District -Renton #403 • Fire District -40 • Residential Density Calculation Worksheet • Certificates of sewer and water availability • Affidavit of application • Fire District Receipt • Informational Brochure and application for Transportation Concurrency • I nformational Bulletins • # 1 -Phone Numbers • # 8 -Commercial and Multifamily Building Permits • # 13 -Fire Systems Permits • # 21 -Sensitive Area Review • # 22 -Landscaping Requirements (1993 Zoning Code Title 21A) • # 24 -On-Site Recreation • # 26 -The SEPA Process • # 36 -Mechanical Permits • # 42 -Laws and Rules Governing Building and Development • # 45a -Recyclables (1993 Zoning Code Title 21A) • # 46 --School Mitigation Payment System Information • # 47 --Road Mitigation Payment System Information Page 2 of 2 preapp welcome.doc 12119/01 King County Department of Development and Environmental Services Building Services Division 900 Oakesdale Avenue Southwest Renton, WA 98055-1219 PRE-APPLICATION MEETING NOTICE December 14, 2001 TO: Pre-application meeting staff members (John Rae, Bill Mudd, Ronaldo Hoelscher, Dave Baugh/Nancy Hopkins, Dick Etherington, Trudy Hintz (Wetland Issues), and Greg Borba (SEPA Issues) FM: Pamela Dhanapal ~ RE: Pre-application Number: AOIPM115 Project Name: La Fortuna Townhouses A pre-application meeting for the above referenced project has been scheduled for (Tuesday January 8, 2002) at 1:30 PM in the Technical Screening room. Enclosed is a copy of the submittal information package received from the applicant. PLEASE MAKE THE NECESSARY ARRANGEMENTS TO PREPARE FOR AND TO ATTEND THE MEETING. IF YOU ARE NOT ABLE TO ATTEND TillS MEETING, PLEASE HAVE AN ALTERNATE STAFF REPRESENTATIVE ATI'END THE MEETING. OR SUBMIT WRITTEN COMMENTS REGARDING YOUR CONCERNS PRIOR TO THE MEETING. Enclosure King County Department of Development and Environmental Services Building Services Division 900 oakesdale Avenue Southwest Renton, WA 98055-1219 PRE-APPLICATION MEETING NOTICE CONFIRMATION December 14, 2001 Luay R. Joudeh, P.E. D.R. Strong Consulting Engineers, Inc. 10604 Northeast 38 th Place, Suite 101 Kirkland, W A 98033 RE: Pre-application meeting: January 8, 2002 Project Name: La Fortuna Townhouses Dear Mr. Joudeh: This letter will confirm the pre-application meeting for the above referenced project. The scheduled meeting is set for Tuesday January 8, 2002 at 1:30 PM in the Technical Screening room, in our office, which is located at: BlackRiver Corporate Park 900 Oakesdale A venue Southwest Renton, WA 98055-1219 Please advise us if any changes are needed in the meeting date or time, so that we may re- schedule the meeting as soon as possible. Your project has been assigned a pre-application tracking number (AOIPM115), please reference the tracking number to any correspondence you may wish to submit to us. If you have any questions regarding this letter please contact Shirley Kozeroff at (206) 296-6760. Sincerely, OJ-~~~ Pamela Dhanapal Acting Plan Review Supervisor c:::;. .... ", .. rCA--/? ,ttl,. [o)l~S;~UV!~~ lfU DEC 1 8 ZOOl K.C. D.D.E.S. Pre-Application Meeting Request Form CA-.{A#i) ~~PMII~ Address Project Description Project Address/Location Pre-Application Number: (filled out by King County) M-.dah"1 Phone: Fax: C/ Parcel No(s): All pre-application requests require submittal of an agenda, site plan, project documents and indication of issues to be discussed (check applicable boxes below). Please submit enough copies of the agenda, drawings and project documents for each person requested to attend the meeting, along with one additional copy. Number of People to Attend the Meeting from Your Team: ___ 1£ __ _ • Building Issues: Building/Mechanical (HVAC)/Energy/Barrier-Free • Fire Issues: UFC/Fireflow/Access/Sprinklers/Alarms Harzardous Material • Site Issues: Drainage/Site Development • Site Issues: Traffic/Road Access/Road ImprovemenUParking Layout • Site Issues: Zoning/Landscape/Site Plan/Parking Count • SAO/GEO Issues: Landslide/Seismic/Coal Mine/Erosion • SAO/Wetland Issues: StreamslWetiands/Flood Plains • SEPA Issues: Environmental Concerns/Check List • Other (Specifyl-______________________________________________________ _ _~~j ___ 1J~~ _____________ _ Name (print) s~~~~--~---------- 1"96-120,lp PreaMReq.Frm 03/16/2001--8:05 AMJdj ADDITIONAL INFORMATION ON PRE-APPLICATION MEETINGS A voluntary pre-application or pre-design meeting is one that is held at the applicant's request to assist him/her in preparing an al?plication. This may be very preliminary in nature and is not intended to fulfill the required pre-application meeting requirement for permit submittal. A mandatory pre-application meeting is one that is held prior to permit submittal for alI permits that are required to have a pre-application meeting. This pre-application meeting is designed to resolve issues that might keep an application from being declared complete or meeting the 120-day permit processing timelines. A consolidated pre-application meeting can occur when an applicant is requesting consolidated review of several types of permits. If you are going to request consolidated processing, it is important to identify all of the aspects of your permits that you wish the pre-application meeting to cover. This is particularly important when there are multiple parts to a project so that all staff understands the scope of the project and what changes may impact other reviews. At a mandatory pre-application meeting, King County DDES reserves the right to have all staff who are considered to be essential to the review and processing of your permit application present. We will attempt to honor your request in focusing on the issues and staff you have identified. Depending upon the complexity of your proposal and the level of information provided, staff may recommend that additional sessions be held. These sessions would focus on specific issues and assist in making sure that your permit submittal addresses all issues raised during the pre-application meeting. Discipline Will Attend Will Not Attend Applicant V-I Architect Civil Engineer t/ I Developer V "'Z.- Geotechnical Consultant Landscape Architect Legal Consultant Property Owner Structural Engineer Wetlands Consultant Others: Total Nnmber Attending t.f If you did not receive specifics about the documents and fees needed to set up your pre-application meeting, please contact the appropriate division: Building Services Division (296-6600) or Land Use Services Division (296-6640). Forms/sprs/PreApMtg.add 6/27/97 KING COUNTY PRE-APPLICATION MEETING La Fortuna Townhouses PROJECT DESCRIPTION: • Full Name of the project: La Fortuna Townhouses 01-261.100 • Names, addresses and telephone numbers of the owner, agent architect and/or engineer of record. Owner: Developer: Gregory Yelkin & Karnail Johal 16149 Redmond Way Redmond, W A 98052 Karl Best ~[E(C[E~w[E[Q) DEC 1 4 2001 K.C. D.D.E.S. Engineer: P.O. Box 1790 Snohomish, W A 98290 (425) 397-0739 n.R. STRONG Consulting Engineers, Inc. 10604 NE 38th Place, Suite 101 Kirkland, W A 98033 (425) 827-3063 Coutact: Luay R. Joudeh, P.E. • Detailed description of the proposal: AO\~MI'~ This project proposes to create a forty-seven-unit townhouse development on three adjacent parcels. Currently there us an application for a boundary line adjustment which would result in reconfiguring the parcels to create one large parcel. • Approximate address of the property: 12632 -S.E. Petrovitsky Road. • Parcel numbers: 073900-0015, 073900-0020 & 073900-0026 • Existing zoning of project site: R-12-S0 for 07390015, R-12-S0 for 073900-0020, & R-8-S0 for 073900-0026 • Other permits or actions that are pending or proposed affecting this application: © 200 t D.R. STRONG Consulting Enginee~. Inc. i Boundary Line Adjustment • Any recorded existing easements that affect the property, (i.e., ingress, egress, utilities, or drainage). See Conceptual Plan • Was project covered under a prior SEPA determination? Not known. • Complete SEP A environmental checklist. See the attached draft of the SEP A checklist. • Level One Downstream Analysis See the attached draft of the report. • Area of the project site: The total area is approximately 4.511 acres. Enclosed: Preliminary Layout Preliminary Density Calculations r·lkOI12101261IPRE-APP.doc © 200 t DK STRONG Consulting Engineers, Inc. King County Department of Development and Environmental Services 900 Oaks dale Ave SW Renton, Washington 98055~1219 Friday, December 14, 2001 Activity Number: AOIPM115 Project Number: CHARGES Description Customer PreApp Deposit SUBTOTAL: PAnIENTS Description Suspense Account SUBTOTAL: CHANGE GIVEN: BALANCE DUE: FEE RECEIPT Applicant: K. BEST CONSTRUCTION INC. Checklog Check # Payee Date Entered Amount $600.00 $600.00 Checklog Check # Payee Date Entered Amount 43697 4319 K. BEST CONSTRUCTION INC. 12114/2001 ($600.00) ($600.00) $0.00 $0.00 The fees shown above represent current charges as of this date and are an estimate based on the information provided to DOES at the time of application. DOES permit fees were restructured effective March 4th, 1999. Many fees previously assessed a flat fee, now are assessed as hourly charges. Because of this change, and to ensure that our customers secure permits as quickly as possible, permits may be issued prior to all hourly charges being recorded into our billing system. For services that are rendered on an hourly basis, the cost of those services will be based on the actual hours worked. Hourly fees are charged at the rate in effect at the time of seNiee. and will be billed monthly, along with any other outstanding fees. Fees that have been posted prior to permit issuance will be collected at that time. Fees subsequently posted will be billed to the applicant. All fees must be paid in full before DOES issues Final Approval, T.e.O. or C.O. Page 1 of 1