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HomeMy WebLinkAboutSWP272271 CITY OF RENTON MEMORANDUM - � 1 -►g96 Date: July 26, 1996 JUL To: Ron Straka/Surface Water Utility RENTON CITY OF . Dept From: Mark Pywell/� Engineering Environmental v ew Committee Subject: High Avenue Stormwater Project Project No. LUA-96-062,ECF We just wanted to inform you that the comment and/or appeal periods have ended for the subject project's Determination of Non-Significance. No appeals were filed. This decision is final and application for the appropriately required permits may proceed. If you have any questions, please feel free to contact me at 277-5586. FlW DOC a � • CITY OF RENTON MEMORANDUM Date: June 25, 1996 �� To: Mr. Ron Straka/Surface Water Utility ✓(f�t�2�y c^1 �996 From: Pywell/Environmental Review CommitteeSubjectOWark :: High Avenue Stormwater Outfall Improvement Project Project No. LUA-96-062,ECF On behalf of the Environmental Review Committee, I would like to inform you that they have completed their review of your project. The Committee, on June 25, 1996, decided that the subject project will be issued a Determination of Non-Significance. The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21 C.030(2)(c). This decision was made by the Environmental Review Committee under the authority of Section 4-6-6, Renton Municipal Code, after review of a completed environmental checklist and other information, on file with the lead agency. This information is available to the public on request. The 15 day comment period with concurrent 14 day appeal period for this project will end on July 16, 1996. Following this, the City will finalize its Determination unless comments received require a reevaluation. Appeal procedures imposed by the City of Renton's Environmental Review Committee are available at the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objections. If you have any questions or desire clarification of the above, please call me at 277-5586. dnsmm CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE ADVISORY NOTES APPLICATION NO(S): LUA-96-062,ECF APPLICANT: City of Renton/Surface Water Utility Department PROJECT NAME: High Avenue Stormwater Outfall Improvement DESCRIPTION OF PROPOSAL: The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. LOCATION OF PROPOSAL: 525 High Avenue South Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. FIRE DEPARTMENT COMMENTS: 1. Maintain emergency access during construction. POLICE DEPARTMENT COMMENTS: 1. Project will have minimal impact on police services. PARKS DEPARTMENT COMMENTS: 1. All disturbed areas should be hydroseeded and/or re-established with native plant materials. Hydroseeded areas should be stabilized with jut mesh as necessary. 2. Area downstream of outlet structure/energy dissipator should be protected with larger rock(i.e., half man) to stabilize soil. (Note: This comment was based on preliminary design information. The current design for the rock pad to be installed downstream of the outlet structure/energy dissipator calls for"light loose rip rap" which is larger than the half-man rock requested by the Parks Department). 3. A list of plant materials used for stabilization should be submitted to the Parks Department for review. ADVNOTES.DOC/ NOTICE OF ENVIRONMENTAL DETERMINATION ENVIRONMENTAL REVIEW COMMITTEE RENTON, WASHINGTON The Environmental Review Committee (ERC) has issued a Determination of Non-Significance for the following project under the authority of the Renton Municipal Code. HIGH AVENUE STORMWATER PROJECT LUA-96-062,ECF The City of Renton, Surface Water Utility, seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the north end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. Location: 525 High Avenue So. The 15 day comment period with concurrent 14 day appeal period for this project will end at 5:00 p.m. on July 16, 1996. Following this, the City will finalize its Determination unless comments received require a reevaluation. Appeal procedures imposed by the City of Renton's Environmental Review Committee are available at the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objections. Publication Date: JULY 01, 1996 o3g .� �. 065 wad D� a 7'r f ' J J14,1�� dnspub CITY OF R NTON DEVELOPMENT SERVICE DTV�IS.ION .......... MAT�R APPLI+C 'T'I+CN ......... ....... .....O'nVNER(S) PROTECT INFORMATION {contj .Note: Jf'there is more than one legal owner,please attach an additional notarized Master application to each owner. EXISTING LAND USE(S): NAME: CITY OF RENTON Residential Single Family(R-8) Undeveloped wooded slope ADDRESS: Municipal Bldg, 200 Mill Ave South PROPOSED LAND USE(S): Same as above CITY: Renton,WA zip: 98055 EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: TELEPHONE NUMBER: (206) 277-5548 Residential single family and residential rural CONTACT PERSONIAPPLICANT PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION: Same as above NAME: Ron Straka, Surface Water Utility EXISTING ZONING: ylti��9,� ADDRESS: CITY OF RENTON Single family residential, w' 200 Mill Avenue South Resource conservation PROPOSED ZONING: _ CITY: Renton zip: 98055 Same as above SITE AREA(SQ.FT.OR ACREAGE): TELEPHONE NUMBER: (206) 277-5548 Approximately 15,000 s.f.construction area PROJECT INFORMATION PROJECT VALUE: PROJECT OR DEVELOPMENT NAME: Approximately$150,000 High Avenue South Stormwater Outfall IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? Improvement Project APA Zone 2 PROPERTYIPROJECT ADDRESS(S)/LOCATION: IS THE SITE LOCATED IN ANY OTHER TYPE OF SW 1/4,Sec. 17,Twn 23N,Range 5E ENVIRONMENTALLY SENSITIVE AREA? High Avenue South Right of Way at approximately 525 High Avenue South Erosion Hazard,landslide hazard KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): Seismic Hazard and medium coal mine hazard areas City of Renton High Avenue South Right of Way 5640500045 0007200001 ATTACHMENT 1 Located in SW 1/4 of Section 17, Township 23 North, Range 5 East W.M. at approximately 525 High Avenue South. Storm drain improvements will begin at the existing catch basin in High Avenue South, extending approximately 42 feet north to the end of the road right-of-way, continuing north through a public utilities easement in Tract X(see description below), and then continuing in a north- northeast direction through Parcel No. 000720-0001 a distance of approximately 375 feet (total pipeline length approximately 450 feet). Tract X: Revised Lot 2 of City of Renton Lot Line Adjustment No. 009-92 as recorded under King County Recording No. 9202269004. Utilities Easement: A strip of land 20.00 feet in width across Tract X, beginning at the northwest corner of High Avenue South right-of-way; Thence northerly along the northerly extension of the westerly right-of-way line of High Avenue to an intersection with the northeasterly line of Tract X; Thence southeasterly along said line to an intersection with a line 20.00 feet easterly of and parallel with said westerly right-of-way line; Thence southerly along said parallel line to an intersection with the northerly right-of-way line of High Avenue. Thence westerly along said right-of-way to the point of beginning. cAhigh\doc\LEGDES.DOC —J C� C N N 4TH ST 405 m N � �O 3RD ST AIRPORT WAY 900 S Z � a cn 0 o a 3 Z 'L1 X 900 S 2 N D ST 169 9'0 �F J Q 900 S 3 R D ST a L cn V) N Project Site S ,� S a Q cn Q Q _Z w Ln to Q Q � ER w V) a � STH % NDRTN = J w Q S 6TH ST a > a aEn Q �� U' TH ST SOS 7TH CT S 7TH ST � � v' �i w > Q C = LD 9� 515 = o s � F Legend -•—• HDPE Pipe Outfall/Catch Basin c� a N 167 N O O O O O PUGET a Figure 1 © E N T R A N C O Project Vicinity 0 50 100 = 50' -0" 1" 20' EASEMENT O W Z LLJ ^O ' 4 = e SOUTH 6TH STREET Uti`tY Off, P/B/PW Technical Services T.Boyns Figure 2 R. MacOnie, D. Visneski 9 May 1996 Utility Easement 1723059015 1 7L.3C>>9c« � 5640500035 CITY OF RENTON REIMAN DANA B &ALANA G 200 MILL AVE SOUTH 1410 BEACON WAY SOUTH RENTON WA 98055 RENTON WA 98055 5640500040 5640500045 5640500060 MORSE CLINT&SHELLY MORSE CLINT&SHELLY CUGINI CATHY JO 525 HIGH AVE SOUTH 525 HIGH AVE SOUTH 575 HIGH AVE S RENTON WA 98055 RENTON WA 98055 RENTON WA 98055 7221400475 7221400476 7221400480 PAULSEN KENNEY MAE EDSFORTH JOHN F+SHEILA DINIUS JOHN L+TONI 4208 BEACH DR SW#302 524 HIGH AVE SOUTH 8918 S 122ND ST SEATLE WA 98116 RENTON WA 98055 SEATTLE WA 98178 0007200001 0007200056 CITY OF RENTON LATTEN ALFRED L 200 MILL AVE SOUTH 1326 BEACON WY SOUTH RENTON WA 98055 RENTON WA 98055 �✓1�4 Qd � s ...... ........... CITY OF RENTON DEVELOPMENT>SERVICES DIVISION L[ST 0 F111SURROUNDING PROPERTY OWNERS within 300 feet of the subject site PROJECT NAME: High Avenue South Stormtaatpr Qiitfall—Improvement PrejeaEt APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER se-C (Attach additional sheets, if necessary) (Continued) NAME ADDRESS ASSESSOR'S PARCEL NUMBER Applicant Certification `z� Lrk- hereby certify that the above list(s) of adjacent property (Print Name) owners and their addresses were obtained from: ❑ City of Renton Technical Services Records ❑ Title Company Records IR3 King County Assessors Records Signed ��'1 �� &W� Date (Applicant) NOTARY FaTItSTED: �bsgribed and sworn before me, a Notary Public, in and for the State of Washington, residing p+ 4 Z-- on the kday of �'�'va, 19�. Sigra (Notary Public) �` }*For Cltv>of Renton Use**'*` CERTIFICATION 0 F.MAILING ' 1, hereby certlfy 2fiat notices ofithe proposed applrcatlon were ma-i. to ;City Employee) each listed property owner on Signed Date NOTARY ATTEST: Subscribed and sworn before me, a Notary;Publlc, In and:ifor the State:of Washington reslding!at on the day of; ; 19 Signed lislprop.doc REV 07/95 2 LIST OF SURROUNDING PROPERTY OWNERS High Avenue South Stormwater Outfall Improvement Project PARCEL NAME ADDRESS NUMBER CITY OF RENTON 200 MILL AVE SOUTH RENTON WA 98055 1723059015 CITY OF RENTON 200 MILL AVE S RENTON WA 98055 1723059016 REIMAN DANA B &ALANA G 1410 BEACON WAY SOUTH RENTON WA 98055 5640500035 MORSE CLINT&SHELLY 525 HIGH AVE SOUTH RENTON WA 98055 5640500040 MORSE CLINT& SHELLY 525 HIGH AVE SOUTH RENTON WA 98055 5640500045 CUGINI CATHY JO 575 HIGH AVE S RENTON WA 98055 5640500060 PAULSEN KENNEY MAE 4208 BEACH DR SW#302 RENTON WA 98116 7221400475 EDSFORTH JOHN F+SHEILA 524 HIGH AVE SOUTH RENTON WA 98055 7221400476 DINIUS JOHN L+TONI 8918 S 122ND ST SEATTLE WA 98178 7221400480 CITY OF RENTON 200 MILL AVE SOUTH RENTON WA 98055 0007200001 LATTEN ALFRED L 1326 BEACON WY SOUTH RENTON WA 98055 0007200056 h:/utilitie.s\storm\HIGH.XLS 4/23/96 t , • . ... . ........... .............. ............. ............. CITY OF RENTON.. DEVELOPMENT SERVICES LIITISIE)N ENVIRONMENTAL CHECKLIST A. BACKGROUND 1. Name of proposed project, if applicable.- High Avenue Stormwater Outfall Project 2. Name of applicant. City of Renton, Public Works Department 3. Address and phone number of applicant and contact person: City of Renton, Public Works Department 200 Mill Avenue South Renton, Washington 98055 Mr. Ronald J. Straka, P.E. Phone: (206) 277-5548 4. Date checklist prepared: April 30, 1996 5. Agency requesting checklist: City of Renton 6. Proposed timing or schedule (including phasing, if applicable): The project will be constructed during the summer of 1996. 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No. 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. AGRA. Preliminary geotechnical memorandum. December 14, 1995. Prepared for City of Renton, Surface Water Utility by AGRA Earth & Environmental, Kirkland, WA. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 1 AGRA. January 30, 1996. Subsurface exploration and geotechnical engineering study (draft). Prepared for City of Renton, Surface Water Utility by AGRA Earth & Environmental, Kirkland, WA. This information will be available at the City of Renton for review. 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. No. 10. List any governmental approvals or permits that will be needed for your proposal, if known. None known. 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. The project consists of reconstructing an existing stormwater outfall located at the north end of High Avenue South (see Figure 1). The existing storm drain outfall is a 12-inch diameter corrugated metal pipe (CMP) which serves as the discharge for the collected upland surface water. The upland surface water discharges over the slope at the north end of High Avenue South. A landslide occurred in August 1995 following a >1-inch storm event which damaged landscaping on private property immediately upslope of the existing outfall. Continued discharge of stormwater over the steep slope, particularly in the wetter fall and winter months, may increase the risk of landslides to the adjacent slopes, causing loss of upslope property and damage to the existing outfall. In order to decrease the risk of landslides to the adjacent slopes, the project would install a "tightline" pipe extension beginning at the last catch basin on High Avenue South, replacing the existing 12-inch CMP, and traversing the slope from the existing outfall location to the base of the steep slope area. The project would reconstruct and extend the existing outfall using 12 to 18- inch diameter high density polyethylene (HDPE) pipe. The new HDPE pipe would extend about 450 feet to a catch basin/energy dissipator outlet structure at the bottom of the steep slope, at which point, the stormwater flow would continue along the natural drainage course. With the exception of upslope area and the extreme downstream end of the pipeline in the vicinity of the outlet structure, the new storm drain pipeline (approximately 350 feet) will be installed above ground. Approximately 80 feet of pipeline along High Avenue South to the edge of the hillside in the upslope area and 20 feet of pipeline at the downstream end of the project would be installed below ground in a trench. A portion of the upslope pipeline, approximately 20 feet in length, from the north end of the High Avenue South right-of-way crosses private property (parcel 564050-0045). The City is working with the landowner to obtain a Utility Easement in this area (see Figure 2) 12. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, and section, township, and range if known. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applications related to this checklist. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 2 The project is located in the city of Renton in Section 17, Township 23 North, Range 5 East. The project limits are from the north end of High Avenue South downslope to about 450 feet north (see Figure 1). High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 3 N 4T H ST � 405 r i N �O 3RD ST AIRPORT WAY 900 C' Q cn > o Q z 1 9` 69 � 900 rTl S 2 N D ST F Q 900 S 3RD ST N �Q L Cn cn > 0 to Project Site > S S Q Q V) P c Q z i Cn � a >Q gR v Q� �' � M STH �- N6RTH _ -J w Q S 6TH ST Q a a Q TH ST fOS 7TH CT S 7TH ST (n v' z LU c LU �G Q a_ UJ �- 515 = o S � F Legend --- HDPE Pipe Outfall/Catch Basin c� N 167 N O N Z � o O PUGET n Figure 1 E N T R A N C O Project Vicinity AOL lank 'Now Now 0 50 100 1" = 5 0' —W — 20' EASEMENT O W �F Z Uj �00 � ti Q _ e SOUTH 6TH STREET Gti®Y P/B/PW Technical Services Figure 2 + + T.Boyns R. MacOnie, D. Yisneski Utility Easement 9 May 1996 Evaluation for Agency Use Only B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one); flat, rolling, hilly, steep slopes, mountainous, other For detailed information the soils condition on site, see the Preliminary Geotechnical Memorandum, AGRA Earth & Environmental (December 1995); and Draft subsurface exploration and geotechnical study,AGRA Earth & Environmental (January 1996). b. What is the steepest slope on the site (approximate percent slope?) The steepest slope on the site is 100+ percent. c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. According to the Soil Survey King County, Washington (USDA Soil Conservation Service 1973), the area soils consist of Alderwood and Kitsap soils. This mapping unit consists primarily of Alderwood gravelly sandy loam and Kitsap silt loam. Also refer to the Geotechnical memorandum (AGRA 1995,) and Draft subsurface exploration and geotechnical engineering study (AGRA 1996). d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. The site has had a history of landslides, including a recent landslide which occurred during heavy rains in August 1995. For detailed information regarding soil stability, see the Geotechnical memorandum (AGRA 1995) and Draft subsurface exploration and geotechnical engineering study (AGRA 1996).. e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Approximately 200 cubic yards of soil would be disturbed during pipe installation. With the exception of existing topsoil, most of the material excavated from the trench in the upslope area would be removed. Topsoil would be stockpiled on site for reuse. Controlled density fill would be used for pipe bedding and trench backfill. Existing topsoil would be reused to restore the surface of the trench following pipeline installation In the lower section near the outlet structure, existing soil would be reused as pipe backfill material, if suitable. Clean, bank run gravel would be imported for pipe bedding material, if necessary. Unused High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 6 Evaluation for Agency Use Only material excavated for construction of the new outlet structure and lower pipeline will be feathered into the existing ground at the toe of the steep slope. Rock will be imported to provide erosion control protection downstream of the outlet structure. Existing topsoil would be stockpiled for use in restoring the areas disturbed for trench and outlet structure construction. f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. Erosion could occur when the soils are exposed during construction. Construction is expected to be completed within a one-week time-frame. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? There would be no new impervious surface area. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Best management practices would be implemented during construction to control erosion. Construction is expected to be completed within a one-week time-frame. Long term stabilization of soil exposed for installation of underground structures and pipeline would occur after construction is complete. The trench for the buried section of pipeline to be installed in the upslope area would be restored in-kind following pipeline installation. Soil in the immediate vicinity of the existing landslide area would be stabilized by installing either a plastic or shotcrete covering or via reseeding, if feasible to reduce the potential for further erosion damage. Disturbed soil at the lower end of the pipeline and in the vicinity of the outlet structure would be reseeded with native vegetation. 2. Air a. What types of emissions to the air would result from the proposal (i.e., dust, automobile, odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. During construction, emissions from construction equipment would be generated. b. Are there any off-site sources of emission or odor that may affect your proposal? If so, generally describe. None. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 7 Evaluation for Agency Use Only c. Proposed measures to reduce or control emissions or other impacts to air, if any: None. 3. Water a. Surface Water: 1) Is there any surface water body on or in the immediate vicinity of the site (including year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. There is a small wetland on the terrace located below the pipeline outlet structure. This wetland appears to be fed by hillside seeps. 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. The outlet stucture/energy dissipator will be installed in the wetland buffer, approximately 20-30 feet from the edge of the wetland (see attached site plan). 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. None. 4) W111 the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. In order to decrease the risk of landslides to the adjacent slopes, the project would install a tightline bypass from the existing outfall location to the lower slope area. 5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan. No. 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 8 Evaluation for Agency Use Only b. Groundwater., 1) Will groundwater be withdrawn, or will water be discharged to groundwater? Give general description, purpose, and approximate quantities if known. No. 2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if any (for example.- Domestic sewage; industrial, containing the following chemicals...; agricultural, etc.). Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. None. c. Water Runoff(including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into , other waters? If so, describe. The project consists of reconstructing an existing stormwater outfall located at the north end of High Avenue South. The existing storm drain outfall, a 12-inch diameter corrugated metal pipe (CMP), collects runoff from an approximately 31- acre area along High Avenue South, Beacon Way, and Jones Avenue South. Runoff from the upland area currently discharges over the slope at the north end of High Avenue South. To decrease the risk of landslides to the adjacent slopes, the project would install a tightline bypass to convey runoff from the existing storm drain outfall to the lower slope area where the topography is less steep. The project would reconstruct and extend the existing outfall using 12 to 18-inch diameter high density polyethylene (HDPE) pipe. The new HDPE pipe would extend from the existing catch basin in High Avenue South, a distance of about 450-feet to a catch basin/energy dissipator outlet structure at the bottom of the steep slope, at which point, the stormwater flow would continue along its natural drainage course. 2) Could waste material enter ground or surface waters? If so, generally describe. No. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 9 Evaluation for Agency Use Only d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: To decrease the risk of landslides to the adjacent slopes, the project would install a tightline bypass to convey runoff from the existing storm drain outfall to the lower slope area. The project would reconstruct and extend the existing outfall using 16-inch diameter HDPE pipe. The new HDPE pipe would extend about 450-feet to a catch basin/energy dissipator outlet structure at the bottom of the steep slope, at which point, the stormwater flow would continue along its natural drainage course. 4. Plants a. Check or circle types of vegetation found on the site: X deciduous tree: alder, maple, aspen, other evergreen tree: fir, cedar, pine, other shrubs grass pasture crop or grain wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other water plants: water lily, eel grass, milfoil, other X other types of vegetation b. What kind and amount of vegetation will be removed or altered? Only a minimal amount of vegetation will be altered due to trenching for construction of the underground section of pipeline and associated structures (inlet catch basin and outlet structure). The following two areas will be affected: • Upper end of the pipeline where it crosses the yard of the homeowner at 525 High Avenue South • Lower end in the vicinity of the outlet structure. These areas will be reseeded following construction to stabilize disturbed soil and to reestablish the existing vegetation. c. List threatened or endangered species known to be on or near the site. Not known. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 10 Evaluation for Agency Use Only d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any.- Disturbed areas would be replanted/reseeded with native vegetation. 5. Animals a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site.- Birds: hawk, heron, eagle, songbirds, other Mammals: deer, bear, elk, beaver, other raccoons Fish: bass, salmon, trout, herring, shellfish, other b. List any threatened or endangered species known to be on or near the site. Not known. c. Is the site part of a migration route? If so, explain The project is within the Pacific Flyway. d. Proposed measures to preserve or enhance wildlife, if any.- None. 6. Energy and Natural Resources a. What kinds of energy(electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. None. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No. c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any., None. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 11 Evaluation for Agency Use Only 7. Environmental Health a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. Fuel or oil spills could occur from construction equipment. 1) Describe special emergency services that might be required. None. 2) Proposed measures to reduce or control environmental health hazards, if any: Refueling of equipment would not occur in sensitive areas. Equipment would be checked for oil leaks and repaired before returning to site. b. Noise 1) What types of noise exist in the area which may affect your project(for example: traffic, equipment, operation, other)? None. 2) What types and levels of noise would be created by or associated with the project on a short-term or a long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. Short-term noise would be generated from construction equipment and could go as high as 90 dBA. No long-term noise would be generated from the project. 3) Proposed measures to reduce or control noise impacts, if any: Construction activities would occur only on week days between the hours of 7:00 a.m. and 5:00 p.m. Heavy equipment will be equipped with mufflers to the extent possible as required by city code and state regulations. 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? The site is currently a greenbelt and consists of steep slopes. Residential land uses are located atop the steep slopes along High Avenue South. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 12 Evaluation for Agency Use Only b. Has the site been used for agriculture? If so, describe. No. However, the site may have been used historically to harvest timber. c. Describe any structures on the site. None. d. Will any structures be demolished? If so, what? Does not apply. e. What is the current zoning classification of the site? The land on top of the slope is zoned Single-Family, and the steep slope is zoned Public Use. f. What is the current comprehensive plan designation of the site? Low-Density Single-Family along the slope and Single-Family Residential (8 du/ac) on top of the slope. g. If applicable, what is the current shoreline master program designation of the site? Does not apply. h. Has any part of the site been classified as an "environmentally sensitive"area? If so, specify. The steep slope is a wildlife habitat area and is a medium coal mine hazard area. The slope is also an erosion hazard and high landslide hazard area. i. Approximately how many people would reside or work in the completed project? Does not apply. j. Approximately how many people would the completed project displace? Does not apply. k. Proposed measures to avoid or reduce displacement impacts, if any: Does not apply. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 13 Evaluation for Agency Use Only L Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: The project is consistent with Objective U-3.0 in the comprehensive plan by minimizing the potential for erosion and sedimentation resulting from runoff. 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. Does not apply. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. Does not apply. c. Proposed measures to reduce or control housing impacts, if any: Does not apply. 10. Aesthetics a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s)proposed. A 12 to 18-inch diameter HDPE pipe would be installed above ground for a distance of about 350-feet along the steep slope. b. What views in the immediate vicinity would be altered or obstructed? The pipe is not expected to be visible from the property further down the slope. The pipe may be visible from the top of the slope at High Avenue South. c. Proposed measures to reduce or control aesthetic impacts, if any: Areas disturbed by construction activities will be restored to their original condition. Native vegetation, to be planted and seeded in the disturbed areas, is expected to grow adjacent to the pipeline, and over time will obscure the view of the pipe. 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? Does not apply. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 14 Evaluation for Agency Use Only b. Could light or glare from the finished project be a safety hazard or interfere with views? Does not apply. c. What existing off-site sources of light or glare may affect your proposal? Does not apply. d. Proposed measures to reduce or control light and glare impacts, if any. None. 12. Recreation a. What designated and informal recreational opportunities are in the immediate vicinity? The City Parks Department owns the undeveloped property to the north of the project. b. Would the proposed project displace any existing recreational uses? If so, describe. None. c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any. None. 13. Historic and Cultural Preservation a. Are there any places or objects listed on, or proposed for, national state, or local preservation registers known to be on or next to the site? If so, generally describe. Not known. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. None. c. Proposed measures to reduce or control impacts, if any. None. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 15 Evaluation for Agency Use Only 14. Transportation a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any. The project is located on High Avenue South. The lower portion of the project would be accessed from Maple Valley Road. b. is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? Does not apply. c. How many parking spaces would the completed project have? How many would the project eliminate? Does not apply. d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private? No. High Avenue South would be patched with asphalt. e. Will the project use (or occur in the immediate vicinity oo water, rail, or air transportation? If so, generally describe. Does not apply. f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. Does not apply. g. Proposed measures to reduce or control transportation impacts, if any: Does not apply. 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. No. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 16 Evaluation for Agency Use Only b. Proposed measures to reduce or control direct impacts on public services, if any. The project would eliminate a chronic erosion and landslide problem at the existing outfall at the top of the steep slope. 16. Utilities a. Circle utilities currently available at the site: electricity, natural gas, water, refuse service, telephone, sanitary sewer, septic system, other. None. b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Does not apply. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 17 C. SIGNATURE I, the undersigned, state that to the best of my knowledge the above information is true and complete. It is understood that the lead agency may withdraw any declaration of non-significance that it might issue in reliance upon this checklist should there be any willful misrepresentation or willful lack of full disclos re on my part. Proponent: r Name Printed: Ronald J. Straka, P.E. Date: CITY OF RENTON MEMORANDUM w Date: May 30, 1996 To: ,,Ron Straka/Surface Water Utility JU��� a 31996 From: /`'Mark Pywell/Development Planning CITY OF REN TON Subject: High Avenue Stormwater Outfall Improvement Engineering Dept, Project No. LUA-96-062,ECF The Development Planning Section of the City of Renton has received the above-referenced application for environmental review. I have tentatively scheduled a presentation of the project to the ERC Committee on June 25, 1996. At that meeting, you and I will present staff recommendations for the Committee's review and environmental determination. Following the ERC meeting, I will send you copies of the determination along with the timeframes for the public comment and appeal periods for your files. If you have any questions, please contact me at 277-5586. ACCPTMEM.DOC CITY OF RENTON MEMORANDUM Date: July 26, 1996 To: Ron Straka/Surface ater Utility From: Mark Pywell/— " Environmental v ew Committee Subject: High Avenue Stormwater Project Project No. LUA-96-062,ECF We just wanted to inform you that the comment and/or appeal periods have ended for the subject project's Determination of Non-Significance. No appeals were filed. This decision is final and application for the appropriately required permits may proceed. If you have any questions, please feel free to contact me at 277-5586. 1�4V\, -TnwuJ f y° d�vet ��t rth�s -� le is bet► S�r-e� . F DOC - AdMkk Washington State Northwest Region Department of Transportation Sid Morrison pEVELOPMENT NL�ANNI�" Secretary of Transportation (✓lO ME rI-11 JUL 2 � 19y5 DATE: July 19,1996 RECEIVE L TO: Mark Pywell City of Renton, Project Manager 200 Mill Avenue South Renton WA 98055 Subject: SR 405 MP 2.98 CS 1743 Determination of Nonsignificance- High Avenue Stormwater Out fall Improvement File No. LUA-96-062,ECF FROM: Zbe 4tE, Manager of Planning & Local Coordination Washington State Department of Transportation Northwest Region 15700 Dayton Avenue North, MS 122 P. O. Box 330310 Seattle, WA 98133-9710 Thank you for giving us the opportunity to review this project, which is located at 525 High Avenue South. Our response is checked below: X We have reviewed this subject document and have no comments. The project will have no significant impact on the state highway system. The State recommends that a traffic study be prepared to anaylyse the state intersections that are impacted by ten or more of the project's generated peak hour trips and also determine what mitigation measures, if any would be required. If you have any questions, please contact Don Hurter at 440-4664 or Vickie Erickson at 440-4915 of my Developer Services section VEE:vee File Name . ............. _ CITY OF,RENTON :..::..:.<::;......::...::::.::::.::<::::<:.::..:::::.::.::.CURRENT..:PLANN ......................:..:,....:......,.:........................ :. .. `F.::::::+::. .... ... :::. ::.; ::.:.:::..:::..::::::..:.: F(DA�ItT.OF:.SER\CI :........:..........:.:...............:.:.::.AF On the day of aU,V� , 1996, 1 deposited in the mails of the United States, a sealed envelope containing E� c d �eYvV\� V>> documents. This information was sent to: Name Representing Ll�c�c. -TYo.ans oY- a. , Swe. —R Sca • Yin uc�c.�c s�oo �v�,�cL v� �r� (Signature of Sender) STATE OF WASHINGTON ) SS COUNTY OF KING ) _ I certify that I know or have satisfactory evidence that signed this instrument and acknowledged it to be his/her/their free and voluntary act fo the uses and purposes mentioned in the instrument. Dated: Notary Public Wand for the State of Was ton Notary (Print) )))4 ie i h, t, A--,► n]r ll''r c My appointment expires. L - 5 P+4ie . � • t F 'A `t'�t-.0 r. % -0(a2 E0= NOTARY.DOC I � l i 1 - ' • ENVIRONMENTAL DETERMINATION POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION PROJECT NAME: HIGH AVENUE STORMWATER OUTFALL IMPROVEMENT PROJECT PROJECT NUMBER: LUA-96-062,ECF The City of Renton,Surface Water Utility,seeks to install a new stormwater outtall that will extend the existing cultall aPPmArtalcly 450 feet from the north end of High Avenue South to the base of the aclacent steep sWpe. The stormwater will rejoin that natural water course at the base of the slope. Local on 525 Hign Avenue Sown. THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. AN ENVIRONMENTAL IMPACT STATEMENT WILL NOT BE REQUIRED. i APPEALS OF THIS DETERMINATION MAY BE FILED WITH THE CITY OF RENTON HEARING EXAMINER BY 5:00 PM, XXX YOU MAY COMMENT ON THIS DETERiAI.NAT;ON BY 5.00 PM CN JULY 16, 1996 OR APPEAL THIS DETERMINATION BY 5:00 PM,JULY 16, 1996. THE COMMENT AND APPEAL PERIODS WILL RUN CONCURRENTLY. p �Z 7 �sl xTH sr y a05 .URPDRT ''RAY S �b o� z " 9G0 S 2In ST < < 9cD S 3RD ST t � (A I� N N Protect SII• Sj0.` J 5 5l` < P ri I � 2 • w Q vORTY•=R S 6TH ST T. u+�C`os 7rH CT S- TrH S SOS l L•g•nd —.•—• nOPEPp • CueaxG.�+Barn FOR FURTHER INFORMATION.PLEASE CONTACT THE CITY OF RENTON,DEVELOPMENT SERVICES DIVISION AT 235-2550. DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION Please include the project NUMBER when calling for proper file identification- CERTIFICATION I, JGl(Acs6y) , hereby certify that 3 copies of the above document were posted by me in --�3—conspicuous places on or nearby the described property on Signed: STATE OF WASHINGTON ) SS COUNTY OF KING ) ` I certify that I know or have satisfactory evidence that 54,/Djl �iq DSO signed this instrument and acknowledged it to be his/her/their free and voluntary act �gr+ifttlluses and purposes mentioned in the instrumen . �;,-•. Dr Dated: 4),fb Notary Pu *' in ands or the State of W'"ILif 'Loll ; Notary ( flnt) Ate _ ? !% My appointment expires: � NOTARY.DOC „x CITY&F RENTON Planning/Building/Public Works Department Jesse Tanner, Mayor Gregg Zimmerman P.E.,Administrator June 25, 1996 Washington State Department of Ecology Environmental Review Section PO Box 47703 Olympia, WA 98504-7703 SUBJECT: Environmental Determinations Transmitted herewith is a copy of the Environmental Determination and Environmental Checklist for the following project reviewed by the Environmental Review Committee on June 25, 1996: DETERMINATION OF NON-SIGNIFICANCE HIGH AVENUE STORMWATER OUTFALL IMPROVEMENT LUA-96-062,ECF The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. Location: 525 High Avenue So. The 15 day comment period with concurrent 14 day appeal period for this project will end at 5:00 PM on July 16, 1996. Following this, the City will finalize its Determination unless comments received require a reevaluation. Appeal procedures imposed by the City of Renton's Environmental Review Committee are available at the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objections. If you have questions, please call me at (206) 277-5586. For the Environmental Review Committee, Mark R. Pywell, AICP Project Manager cc: King County Water Pollution Control Division, Metro Department of Wildlife Larry Fisher, Department of Fisheries David F. Dietzman, Department of Natural Resources Don Hurter, Department of Transportation Sue Rumery, City of Seattle Duwamish Tribal Office Rod Malcom, Fisheries, Muckleshoot Indian Tribe (Ordinance) Rita Perstac, Puget Power AGNCYLTR.MC 200 Mill Avenue South - Renton, Washington 98055 ®This paper contains 50%recycled material,25%post consumer CITY%F RENTON �r _ Planning/Building/Public Works Department Jesse Tanner, Mayor Gregg Zimmerman P.E.,Administrator June 25, 1996 TO: Parties of Record SUBJECT: High Avenue Stormwater Outfall Improvement Project No. LUA-96-062,ECF Dear Resident: This letter is written on behalf of the Environmental Review Committee and is to inform you that they have completed their review of the environmental impacts of the above-referenced project. The Committee, on June 25, 1996, decided that this project will be issued a Determination of Non-Significance. The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21 C.030(2)(c). This decision was made by the Environmental Review Committee under the authority of Section 4-6- 6, Renton Municipal Code, after review of a completed environmental checklist and other information, on file with the lead agency. This information is available to the public on request. The 15 day comment period with concurrent 14 day appeal period for this project will end at 5:00 PM on July 16, 1996. Following this, the City will finalize its Determination unless comments received require a reevaluation. Appeal procedures imposed by the City of Renton's Environmental Review Committee are available at the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objections. If you have any questions or desire clarification of the above, please call me at 277-5586. For the Environmental Review Committee, Mark R. Pyw , AICP Project Man ger Parties of Record: Ms. Cathy O'Neill DNSLTR.DOC 200 Mill Avenue South - Renton, Washington 98055 ®This paper contains 50%recycled material,25%post consumer 1 CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE ADVISORY NOTES APPLICATION NO(S): LUA-96-062,ECF APPLICANT: City of Renton/Surface Water Utility Department PROJECT NAME: High Avenue Stormwater Outfall Improvement DESCRIPTION OF PROPOSAL: The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. LOCATION OF PROPOSAL: 525 High Avenue South Advisory Notes to Applicant. The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only,they are not subject to the appeal process for environmental determinations. FIRE DEPARTMENT COMMENTS: 1. Maintain emergency access during construction. POLICE DEPARTMENT COMMENTS: 1. Project will have minimal impact on police services. PARKS DEPARTMENT COMMENTS: 1. All disturbed areas should be hydroseeded and/or re-established with native plant materials. Hydroseeded areas should be stabilized with jut mesh as necessary. 2. Area downstream of outlet structure/energy dissipator should be protected with larger rock(i.e., half man) to stabilize soil. (Note: This comment was based on preliminary design information. The current design for the rock pad to be installed downstream of the outlet structure/energy dissipator calls for"light loose rip rap"which is larger than the half-man rock requested by the Parks Department). 3. A list of plant materials used for stabilization should be submitted to the Parks Department for review. ADVNOTES.DOC/ r • • CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE APPLICATION NO(S): LUA-96-062,ECF APPLICANT: City of Renton/Surface Water Utility Department PROJECT NAME: High Avenue Stormwater Outfall Improvement DESCRIPTION OF PROPOSAL: The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. LOCATION OF PROPOSAL: 525 High Avenue South LEAD AGENCY: City of Renton Department of Planning/Building/Public Works Development Planning Section The 15 day comment period with concurrent 14 day appeal period for this project will end on July 16, 1996. Following this, the City will finalize its Determination unless comments received require a reevaluation. Appeal procedures imposed, by the City of Renton's Environmental Review Committee are available at the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objections. PUBLICATION DATE: July 01, 1996 DATE OF DECISION: June 25, 1996 SIGNATURES: Q-/ , 4pq&7 &W,99,,Vn 6 6 G rrt��mer , Admini tra or DATE Depart ofPlanning/Building/Public Works Sam Chastain, Administrator DATE L/ Community'Se a Departure t Lee eler, e Chief DATE Renton Fire Department DNSSIG.DOC CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE ADVISORY NOTES APPLICATION NO(S): LUA-96-062,ECF APPLICANT: City of Renton/Surface Water Utility Department PROJECT NAME: High Avenue Stormwater Outfall Improvement DESCRIPTION OF PROPOSAL: The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. LOCATION OF PROPOSAL: 525 High Avenue South Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. FIRE DEPARTMENT COMMENTS: 1. Maintain emergency access during construction. POLICE DEPARTMENT COMMENTS: 1. Project will have minimal impact on police services. PARKS DEPARTMENT COMMENTS: 1. All disturbed areas should be hydroseeded and/or re-established with native plant materials. Hydroseeded areas should be stabilized with jut mesh as necessary. 2. Area downstream of outlet structure/energy dissipator should be protected with larger rock(i.e., half man) to stabilize soil. (Note: This comment was based on preliminary design information. The current design for the rock pad to be installed downstream of the outlet structure/energy dissipator calls for"light loose rip rap" which is larger than the half-man rock requested by the Parks Department). 3. A list of plant materials used for stabilization should be submitted to the Parks Department for review. ADVNOTES.DOC/ f AFFIDAVIT OF PUBLICATION Jessica Borg , being first duly sworn on oath states that he/she is the Legal Clerk of the VALLEY DAILY NEWS 600 S. Washington Kent, WA. 98032 a daily newspaper published six (6) times week. Said newspaper is a legal newspaper of general circulation and is now and has been for more than six NOTICE OF ENVIRONMENTAL months prior to the date of publication referred to, printed and published In the DETERMINATION ENVIRONMENTAL REVIEW COMMITTEE English language continually as a daily newspaper in Kent, King County, Wash- RENTON, WASHINGTON ington. The Valley Daily News has been approved as a legal newspaper by order The Environmental Review Committee of the Superior Court of the State of Washington for King County. (ERC) has issued a Determination Non- Significance for the following project under The notice in the exact form attached, was published in the Valley Daily News the authority of the Renton Municipal Code. (and not in supplement form) which was regularly distributed to the subscribers HIGH AVENUE STORMWATER PROJECT duringthe below stated period. The annexed notice, a LUA-96-062,ECF p The City of Renton,Surface Water Utility, seeks to install a new stormwater outfall Notice of F.nv T)r-t that will extend the existing outfall approxi- mately 450 feet from the north end of High 3 Avenue South to the base of the adjacent J] steep slope. The stormwater will rejoin that natural water course at the base of the was published on 7-1 —9h slope. Location: 525 High Avenue So. The 15 day comment period with con- current 14 day appeal period for this project The full amount of the fee charged for said foregoing publication is the sum of will end at 5:00 p.m. on July 16, 1996. Following this,the City will finalize its Deter 42 . 11 mination unless comments received require a reevaluation. Appeal procedures imposec by the City of Renton's Environmental / Review Committee are available at the ega Cle , Valley Daily News Development Services Division,Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objec- Subscribed and sworn before me this day of 19 S lions. Published in the Valley Daily News July 11 1996. 1768 00,00 Y �t�.�..,�51Cty c.k •�.��� Notary Public or the State of Washington sZ`* residing at A —/C J Y <n King County, Washington %•+'q'lP Used 7 92n(?�.•�+� 0 • NOTICE OF ENVIRONMENTAL DETERMINATION ENVIRONMENTAL REVIEW COMMITTEE RENTON, WASHINGTON The Environmental Review Committee (ERC) has issued a Determination of Non-Significance for the following project under the authority of the Renton Municipal Code. HIGH AVENUE STORMWATER PROJECT LUA-96-062,ECF The City of Renton, Surface Water Utility, seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the north end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. Location: 525 High Avenue So. The 15 day comment period with concurrent 14 day appeal period for this project will end at 5:00 p.m. on July 16, 1996. Following this, the City will finalize its Determination unless comments received require a reevaluation. Appeal procedures imposed by the City of Renton's Environmental Review Committee are available at the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objections. Publication Date: JULY 01, 1996 Account No. 51067 dnspub • NK or ENVIRONMENTAL DETERMINATION POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION PROJECT NAME: HIGH AVENUE STORMWATER OUTFALL IMPROVEMENT PROJECT PROJECT NUMBER: LUA-96-062,ECF The City of Renton,Surface Water Utility, seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the north end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. Location: 525 High Avenue South. THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. AN ENVIRONMENTAL IMPACT STATEMENT WILL NOT BE REQUIRED. APPEALS OF THIS DETERMINATION MAY BE FILED WITH THE CITY OF RENTON HEARING EXAMINER BY 5:00 PM, XXX YOU MAY COMMENT ON THIS DETERMINATION BY 5.00 PM ON JULY 16, 1996 OR APPEAL THIS DETERMINATION BY 5:00 PM, JULY 16, 1996. THE COMMENT AND APPEAL PERIODS WILL RUN CONCURRENTLY. 9� z N 4TH ST y 405 m N 3RD ST f AIRPORT WAY 900 E S z to c� w Z o 900 S 2ND ST 900 S 3RD ST N �¢ L N o > N N Project Site S S a Q S Li< a Z w cn < > / U it N a N STH a NORTHER Z) = J J o S 6TH ST _J 1` T S 7TH CT H S S 7TH ST N N 2 z 515 �Y sF Legend -•-- HDPE Pipe OutlaNCatch Basin FOR FURTHER INFORMATION, PLEASE CONTACT THE CITY OF RENTON, DEVELOPMENT SERVICES DIVISION AT 235-2550. DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION Please include the project NUMBER when calling for proper file identification. r • i CITY OF RENTON MEMORANDUM Date: June 25, 1996 To: Mr. Ron Straka/Surface Water Utility From: Pywell/Environmental Review Committee SubjectOWark : High Avenue Stormwater Outfall Improvement Project Project No. LUA-96-062,ECF On behalf of the Environmental Review Committee, I would like to inform you that they have completed their review of your project. The Committee, on June 25, 1996, decided that the subject project will be issued a Determination of Non-Significance. The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21 C.030(2)(c). This decision was made by the Environmental Review Committee under the authority of Section 4-6-6, Renton Municipal Code, after review of a completed environmental checklist and other information, on file with the lead agency. This information is available to the public on request. The 15 day comment period with concurrent 14 day appeal period for this project will end on July 16, 1996. Following this, the City will finalize its Determination unless comments received require a reevaluation. Appeal procedures imposed by the City of Renton's Environmental Review Committee are available at the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055. Phone: 235-2550. You should be prepared to make specific factual objections. If you have any questions or desire clarification of the above, please call me at 277-5586. dnsmm CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE ADVISORY NOTES APPLICATION NO(S): LUA-96-062,ECF APPLICANT: City of Renton/Surface Water Utility Department PROJECT NAME: High Avenue Stormwater Outfall Improvement DESCRIPTION OF PROPOSAL: The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. LOCATION OF PROPOSAL: 525 High Avenue South Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination." Because these notes are provided as information only,they are not subject to the appeal process for environmental determinations FIRE DEPARTMENT COMMENTS: 1. Maintain emergency access during construction. POLICE DEPARTMENT COMMENTS: 1. Project will have minimal impact on police services. PARKS DEPARTMENT COMMENTS: 1. All disturbed areas should be hydroseeded and/or re-established with native plant materials. Hydroseeded areas should be stabilized with jut mesh as necessary. 2. Area downstream of outlet structure/energy dissipator should be protected with larger rock(i.e.,half man) to stabilize soil. (Note: This comment was based on preliminary design information. The current design for the rock pad to be installed downstream of the outlet structure/energy dissipator calls for"light loose rip rap"which is larger than the half-man rock requested by the Parks Department). 3. A list of plant materials used for stabilization should be submitted to the Parks Department for review. ADVNOTES.DOC/ STAMP City of Kenton REPORTDeparlinent of Planning/Building/Public Works I:NVIRONMF.NIAL REVIEW COMMfTTEE A. BA CKGRO UND ERCME_E TING DATL June 25, 1996 Project Name: 111gh Avenue South Stormwatel'Outfall Improvement Project Applicant: City of Renton Surface Water Utility file Number LUA-96-062, ECF Project Manager: Mark Pywell/lZon Straka Project Description: The project consists of reconstructing and improving an existing stormwater outfall located at the north end of High Avenue South. The existing storm drain is a 12-inch diameter corrugated metal pipe (CMP) that serves approximately 31 acres along High Avenue South,Beacon Way South, and Jones Avenue South.-Runoff from the upland area is collected and discharged at the top of the slope at the north end of High Avenue South. Stormwater discharged from the existing outfall at the top of the slope may increase the risk of landslides to adjacent slopes, loss of property, and damage to the existing outfall. A landslide occurred in August 1995 following a >1-inch storm event. The slide damaged-landscaping on private property immediately upslope of the --existing outfall. To reduce the landslide potential, the project will install a"tightline" pipe extension beginning at the last catch basin located in the north end of the High Avenue South right-of-way, replacing the 12-inch CMP, and traversing the slope from the existing outfall to the base of the steep slope area (see attached site plan). The project will. reconstruct and extend the existing outfall using 16- and 18-inch diameter high density polyethylene(HDPE)pipe. Eighteen-inch diameter pipe would be installed in the upslope area from the catch basin to the edge of the hillside, reducing down to sixteen-inch pipe along the hillside to the outlet structure. The new HDPE pipe will extend about 450 feet into a catch basin/outlet structure at the bottom of the steep slope. At this point, stormwater flow will continue along the natural drainage course. The lower catch basin will function as an energy dissipator to minimize erosion at the downstream end of the pipeline. Approximately 350 feet of the HDPE will be constructed above ground. The approximately 80-foot section of pipeline at the top of slope and the 20-foot section at the downstream end of the pipeline at the energy dissipator will be installed below ground in a trench. The remainder of the pipeline will be surface mounted and anchored along the hillside. Project Location: The project is located at the north end of High Avenue South (Section 17, Township 23 North, Range 5 East), extending northward a distance of about 450 feet onto City Parks Department property(see Figure 1). 96-390.DOC <0) N 4TH ST 2 405 < 3RD ST E z AIRPORT WAY 900 iE CD w o > Z -' Q F' 00 9 169 S 2ND ST Li goo S 3 R D ST �Q L cn > to Project Site • ��~ 3�� w S S Q Q z Q > / v � Cn a 5TH a NpR�NER = J w ST a S 6TH ST z Q 3 w Q �� �, En S 7TH CT S 7TH ST TH ST z w > a � 515 = o � Legend -• HDPE Pipe F Outfall/Catch Basin c� a N 167 N Q N v ^ O O O Cl CD PUGET ® ENTRANco Figure Project Vicinity City of Renton PIMPR Department Environmental Review Committee Staffneport High Avenue South Storm water Oulfall Improvement Project LUA-96-062,ECF REPORT AND DECISION OFJUKE 25, 1996 Page 2 of 5 Exist. Bldg. Area (gsfi: NA Proposed New Bldg. Area NA (gsg Site Area: Approximately 15,000 Total Building Area (gsfi: NA square feet of construction area. RECOMMENDATION Staff Recommend that the Environmental Review Committee issue a Determination of Non-Significance. 96-390.DOC City of Renton P/13/PW Department Environmental Review Committee StaffRepor--1 High Avenue South Stormrvater Outfall Improvement Project LUA-96-0621 ECF REPORT AND DECISION OF.IUNE 25, 199G Page 3 of 5 B. RECOMMENDATION Based on analysis of probable impacts from the proposal, staff recommend that the Responsible Officials make the following Environmental Determination: DETERMINATION OF ,IETERMINATION OF NON-SIGNIFICANCE NON-SIGNIFIC.'ANCE-AH77GAT 1,D. Issue DNS with 14 day Appeal Period. Issue DNS-M with 15 day Comment Period with Concurrent 14 day Appeal Period. X Issue DNS with 15 day Comment Period with Issue DNS-M with 15 day Comment Period followed Concurrent 14 day Appeal Per iod. by a 14 day Appeal Period. C. MITIGA TION MEASURES No additional mitigation measures, beyond those incorporated into the project design as part of the normal construction process are recommended. Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only,they are not subject to the appeal process for environmental determinations. FIRE DEPARTMENT COMMENTS 1. Maintain emergency access during construction. POLICE DEPARTMENT COMMENTS 1. Project will have minimal impact on police services. PARKS DEPARTMENT COMMENTS 1. All disturbed areas should be hydroseeded and/or re-established with native plant materials. Hydroseeded areas should be stabilized with jute mesh as necesseary. 2. Area downstream of outlet structure/energy dissipator should be protected with larger rock (i.e., half man) to stabilize soil. (Note: This comment was based on preliminary design information. The current design for the rock pad to be installed downstream of the outlet structure/energy dissipator calls for "light loose rip rap" which is larger than the half-man rock requested by the Parks Department). 3. A list of plant materials used for stabilization should be submitted to the Parks Department for review.. D. ENVIRONMENTAL IMPACTS Whether the applicant has adequately identified and addressed environmental impacts anticipated to occur in conjunction with the proposed development? I. Earth Impacts: Approximately 200 cubic yards of soil will be excavated to install the storm drain pipeline. Most of the soil excavated for the pipeline trench in the upslope area will be removed and disposed of offsite because the trench in this area will be backfilled with controlled density fill. Topsoil will be stockpiled on site and used to restore the surface of the trench following pipeline installation. Soil excavated to construct the short section of underground pipeline and outlet structure/energy dissipator in the downslope area will be reused as pipe backfill material, if suitable. Excess material will be feathered into the existing ground adjacent to the energy dissipator. 96-390.DOC City of Renton PlBlP{f Department Environniental Review Committee Staff Reporl High Avenue South.Storm water Outfall Improvement Project —_ LUA-96-062,ECF REPORT AND DECISION OF JUNE 25, 1996 1'e1Se 4 of 5 _ Soil exposed for installation of underground structures and pipeline would be stabilized following construction. The pipeline trench in the upslope area would be restored in-kind following pipeline installation. Disturbed soil at the downstream end of the pipeline and in the vicinity of the outlet structure would be reseeded with native vegetation. Installation of the storm drain pipeline will significantly reduce soil erosion by preventing runoff from the upslope area from contacting the steep hillside. The hillside area where the landslide occurred vvould be further stabilized by installing either-a plastic covering or via reseeding, if feasible to reduce the potential for further erosion damap,e. Mitigation Measures: No additional mitigation beyond those proposed by the applicant"arc recommended. Nexus: N/A 2. Air Im acts: Temporary emissions of exhaust from construction equipment. The contractor will be required to maintain appropriate emission control devices on all construction equipment. Mitigation Measures: No additional mitigation beyond those proposed by the applicant are recommended. Nexus: N/A 3. Water Impacts: During construction, the contractor will be required to provide a temporary bypass system to safely convey runoff from the upslope areas to the bottom of the steep slope. There is a small wetland located on the terrace below the pipeline outlet structure, which appears to be fed by hillside seeps. The outlet structure/energy dissipator would be installed in the wetland buffer approximately 20 to 30 feet from the edge of the wetland. The energy dissipator will minimize erosion at the pipeline outlet by reducing the velocity of the runoff discharged from the pipeline. In addition, a rip rap pad would be installed immediately downstream of the energy dissipator to further reduce erosion by dispersing the flow and stabilizing the downstream channel. Surface water runoff would continue to discharge to the drainage course at the bottom of the steep slope,thus maintaining flow in this system. Mitigation Measures: No additional mitigation beyond those proposed by the applicant are recommended Nexus: N/A 4. Noise Impacts: Construction activities will generate a temporary increase in noise in the vicinity of the project. Noise levels could be as high as 90 dBA. Construction activities would be limited to week days during the hours of 7:00 a.m. and 5:00 p.m. to minimize impacts on surrounding property owners. Heavy equipment will be equipped with mufflers to extent possible as required by city code and state regulations. Mitigation Measures: No additional mitigation beyond those proposed by the applicant are recommended Nexus: N/A 96-390.DOc City of Renton PIBIIIW Department Environmental Review Committee Staff Report High Avenue South Storm water Outfall Improvement Project LUA-96-062,ECF RE'POR7'AND DECISION OFJUNE 25, 1996 Page 5 of 5 E. COMMENTS OF REVIE,WING DEPARTMENTS The proposal has been circulated to City Departmental/Divisional Reviewers for their review. Where applicable,these comments have been incorporated into the text of this report as Mitigation Measures and/or Notes to Applicant. _ Copies of all Review Cornments are contained in the Official File. a Copies of all Review Comments are attached to this report.. c 96-390.DOC • • • rPTY OF RENTON o ;- Pe'7O »•- !' DC'. . , .-nent Services Division 200 Mill Avenue South o nAr 3 V9 6 , .2 ] 4 Renton, Washington 98055 CC W y pc. a. u. PU METER w A 7 1540761 U.S. ." 0007200056 LATTEN ALFRED L 1326 BEACON WY SOUTH RENTON WA 98055 LATT326 980552002 IN 06104/96 RETURN TO SENDER NO FORWARD ORDER ON FILE UNABLE TO FORWARD _ .....T RETURN TO SENDER 1. 1y' Vi�� s Illlllllll llllllllllllllllllll llllllllllllilllllllllllllllll ll 'iti d fly NOTICE OF PROPOSED ENVIRONMENTAL APPLICATION RENTON, WASHINGTON An Environmental Checklist Review (ECF) Application has been filed and accepted with the Development Services Division of the City of Renton. The following briefly describes the application and the necessary Public Approvals. PROJECT NAME/NUMBER: HIGH AVENUE STORMWATER OUTFALL IMPROVEMENT/LUA-96-062,ECF DESCRIPTION: The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. GENERAL LOCATION: 525 High Avenue South • PUBLIC APPROVALS: Environmental Review The application can be reviewed in the Development Services Division located on the third floor of Renton City Hall. Comments will be accepted anytime prior to Public Hearings, during Public Hearings, or prior to an administrative sl plan approval. For further information on the application, or if you wish to be made a PARTY OF RECORD and recei additional notifications, by mail, of the City's environmental determinations, appeal periods and/or the public hearing date(s) for this project, please contact the Development Services Division at 235-2550. Please include the project NUMBER when calling for proper file identification. "v� z C±y =� 3 <o � N 4TH ST ti 405 D �O m N 3RD ST z AIRPORT ftY 900 z Ln E �7 0 w 3 Z o a �9 A m 900 S 2ND ST 169 !F . LJ Q 9°a S 3RD ST �a > N ; Project Site �~ R� w S S < Q V) S3Q� c > Z w a > cn N :2 5TH Q NDRrjiER = w J T � w S 6TH ST • _ w Q to a a �O S 7TH CT S(11 7TH ST TH ST N N O,L z C G� a a = 9� c� z 515 i s, F Legend GENMALOT.DOC —••—• HDPE Pipe ® OutfalXatch Basin A DEVELOPMENTSERVICES DIVISION LAST OF SURROUNDING PROPERTY DWNERS wrthm.3.00 feet'of the subject site J PROJECT NAME: High Avenue South StormwaPr nutfall Improvement Proje6t APPLICATION NO: 9(0 - U(p The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER � l 6 OF P�T1 (Attach additional sheets, if necessary) (Continued) NAME ADDRESS ASSESSOR'S PARCEL NUMBER Applicant Certification I, /2oN,4t 0 ;S. �j f2a�kl�- , hereby certify that the above list(s) of adjacent property (Print Name) owners and their addresses were obtained from: ❑ City of Renton Technical Services Records ❑ Title Company Records R3 King County Assessors Records S i g n e .t Date (Applicant) ' NOTARY aT•L< TLD`a bscribed and sworn before me, a Notary Public, in and for the State of WasF�ington, ��gJgg C• c� on the day of �'i''�u, , 19� � ff4otary Public) . {{".For.City iif Renton Uses;'* >: . ::.::;>>°>:>': F.MAILING .................... ERIIFI. ATION O . :;;:::>:::<>>::>.>:::::»:: . r' d' I c o e e ►I .: � " s::<:: ::>:::<s> ereby cectifyThat notices of the p opose apP::.:.:at :::.:. Gtt .Em o.e.e......................... each Iisted'.:prop.er#y owner on t ::.. .:..:...:....:::.. :.. a:; :..:.. ..::: a Signed *" D to TA r :.;::: NO RY.: .Y r, Y}u � 3 :► �j�� l;x. ATTEST." Subscribed'and sworn beforeNotary."..'.P.,.0 nr and for the Staft�Q# N sh gt9n res�dm t7 the , ciay of t , r Signed ,Y E lislprop.doc REV 07/95 (('-� 2 LIST OF SURROUNDING PROPERTY OWNERS High Avenue South Stormwater Outfall Improvement Project PARCEL NAME ADDRESS NUMBER CITY OF RENTON 200 MILL AVE SOUTH RENTON WA 98055 1723059015 CITY OF RENTON 200 MILL AVE S RENTON WA 98055 1723059016 REIMAN DANA B &ALANA G 1410 BEACON WAY SOUTH RENTON WA 98055 5640500035 MORSE CLINT& SHELLY 525 HIGH AVE SOUTH RENTON WA 98055 5640500040 MORSE CLINT& SHELLY 525 HIGH AVE SOUTH RENTON WA 98055 5640500045 CUGINI CATHY JO 575 HIGH AVE S RENTON WA 98055 5640500060 PAULSEN KENNEY MAE 4208 BEACH DR SW#302 RENTON WA 98116 7221400475 EDSFORTH JOHN F+SHEILA 524 HIGH AVE SOUTH RENTON WA 98055 7221400476 DINIUS JOHN L+TONI 8918 S 122ND ST SEATTLE WA 98178 7221400480 CITY OF RENTON 200 MILL AVE SOUTH RENTON WA 98055 0007200001 LATTEN ALFRED L 1326 BEACON WY SOUTH RENTON WA 98055 0007200056 h:/utilitie.s\storm\H I G H.X LS 4/23/96 ;23059015 172.3otr9cvr • 5640500035 CITY OF RENTON REIMAN DANA B &ALANA G 200 MILL AVE SOUTH 1410 BEACON WAY SOUTH RENTON WA 98055 RENTON WA 98055 5640500040 5640500045 5640500060 MORSE CLINT&SHELLY MORSE CLINT&SHELLY CUGINI CATHY JO 525 HIGH AVE SOUTH 525 HIGH AVE SOUTH 575 HIGH AVE S RENTON WA 98055 RENTON WA 98055 RENTON WA 98055 7221400475 7221400476 7221400480 PAULSEN KENNEY MAE EDSFORTH JOHN F+SHEILA DINIUS JOHN L+TONI 4208 BEACH DR SW#302 524 HIGH AVE SOUTH 8918 S 122ND ST SEATLE WA 98116 RENTON WA 98055 SEATTLE WA 98178 0007200001 0007200056 CITY OF RENTON LATTEN ALFRED L 200 MILL AVE SOUTH 1326 BEACON WY SOUTH RENTON WA 98055 RENTON WA 98055 NOTICE OF P OPOSED ENVIRONMENTALIPPLICATION RENTON, WASHINGTON An Environmental Checklist Review (ECF) Application has been filed and accepted with the Development Services Division of the City of Renton. The following briefly describes the application and the necessary Public Approvals. PROJECT NAME/NUMBER: HIGH AVENUE STORMWATER OUTFALL IMPROVEMENT/LUA-96-062,ECF DESCRIPTION: The City of Renton, Surface Water Utility Dept., seeks to install a new stormwater outfall that will extend the existing outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. GENERAL LOCATION: 525 High Avenue South PUBLIC APPROVALS: Environmental Review The application can be reviewed in the Development Services Division located on the third floor of Renton City Hall. Comments will be accepted anytime prior to Public Hearings, during Public Hearings, or prior to an administrative site plan approval. For further information on the application, or if you wish to be made a PARTY OF RECORD and receive additional notifications, by mail, of the City's environmental determinations, appeal periods and/or the public hearing date(s) for this project, please contact the Development Services Division at 235-2550. Please include the project NUMBER when calling for proper file identification. z try n 3 i� 90 N 4TH ST ti 405 m N 3RD ST g AIRPORT V;AY 900 c, Z N EUJ 3 o z a �9 rn .O 900 S 2 N D STLd J Q 9a0 S 3 R D ST N > N N rn LU> LO > Project Site 3EL� w S S a Q cn S Q� a > Z w a > � cn N M 5TH a NoRTNER � = w J T o Li M - S 6TH ST _ w a a > o > N to —a �O S 7TH CT S 7TH ST TH ST N (A O,y z > uj !y = 9� 5�5 = 0 s Legend GENMALOT.DOC —••— HDPE Pipe ® OutfaWatch Basin 0 0 NOTCE PENDING APPLICATION PROJECT NAME/NUMBER: HIGH AVENUE STORMWATER OUTFALL IMPROVEMENTILUA-96-062•ECF - DESCRIPTION: The City or Renton.Surface Water Utility Dept.,seeks to Install a new st—aler oultah that will indents the existing ouifall approximately 450 feel from the North end or High Avenue South to ft base of the adjacent steep slope.The atarmwater whl rejoin that natural water course al the bass of the slope. GENERAL LOCATION: 525 High Avenue South PUBLIC APPROVALS: Building Permh _Preliminary Plat _Short Plat Conditional Use Permit Rezone _She Plan Approval XXXX Environmental Review _Shoreline Conditional Use _OUwr Pe mit Fill s Grade Permit _Shoreline Subslanllal _Other Develo end Pertnh � The application can be reviewed in the Development Services Division located on the third floor of Renton City Half. Comments will he accepted any lime prior to Pudic Hearings,during Pudic Hearings,or prior to an administra0ve she plan approval.Comments for Substantial Shoreline Permits must be received within thirty(30)days from the last dale o! aPpl—ntS'Notice of Application'publication in The Valley Oaily Neva. For further Infomrallon on the ap"I401 n,or 1f you wish to be made a PARTY OF RECORD and receive additonal notifications of the City's envhorvnenlal determinations,appeal periods arClor the public hearing dates)for this Project•please cordacl the Development Services Division at 235.2550. N ♦tN ST 40 1 1 ~ 2a0 ST g J9O 'i NRPOIR WAY 900 s " p 900 S 2ND ST i t® S 3R0 ST H !- N cot N in Preleet III j s >= NdhTHE 3 i S sTH ST A S 7TH IN 5 Yr S TM CT ST Py' SG 'Z.y 515 �agrd npR... • o,a.scns,caw„ PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION. - CERTIFICATION hereby certify that 3. copies of the above document were postedly me in _ conspicuous places on or nearby the described property on Signed: �Cl 4f' STATE OF WASHINGTON ) SS COUNTY OF KING ) I certify that I know or have satisfactory evidence that C—� signed this instrument and acknowledged it to be his/her/their free and volvntary act for the uses and purposes mentioned in the instrument. W%4,0�1b+?4�Nyi^ `: Notary Publi and for the State of W ington N- �- (� y _ ,y/�.�c Gam, •st _ ,, Q-,, Notary (Print) W,A-,mod l L, ,J iC A r,, C �e 4� My appointment expires: L - c;L11 - 91 c nIOT�RN.oOC 0 • PENDING APPLICATION PROJECT NAMEINUMBER: HIGH AVENUE STORMWATER OUTFALL IMPROVEMENT/LUA-96-062,ECF DESCRIPTION: The City of Renton,Surface Water Utility Dept.,seeks to install a new stormwater outfall that will extend the existing,outfall approximately 450 feet from the North end of High Avenue South to the base of the adjacent steep slope. The stormwater will rejoin that natural water course at the base of the slope. GENERAL LOCATION: 525 High Avenue South PUBLIC APPROVALS: Building Permit Preliminary Plat Short Plat Conditional Use Permit Rezone Site Plan Approval XXXX Environmental Review Shoreline Conditional Use Other Permit Fill&Grade Permit Shoreline Substantial Other Development Permit The application can be reviewed in the Development Services Division located on the third floor of Renton City Hall. Comments will be accepted any time prior to Public Hearings, during Public Hearings, or prior to an administrative site plan approval. Comments for Substantial Shoreline Permits must be received within thirty(30)days from the last date of applicant's"Notice of Application" publication in the Valley Daily News. For further information on the application, or if you wish to be made a PARTY OF RECORD and receive additional notifications of the City's environmental determinations, appeal periods and/or the public hearing date(s) for this project, please contact the Development Services Division at 235-2550. N 4TH ST ti 405 rn 3RD ST AIRPORT ftY 900 E 5 a N c' o "Z S 2ND ST 169 90�� W D JW 900 rn S 3RD ST > 4 N u' w N to Project Site P a a (y (n a w 5TH SolzMER a ~ > 3 3 o S 6TH ST = N Q w u) $ 7TH CT $ 7TH ST � TH $T � rn py z G < 9� 515 P a _ `rF Legend �••—• HDPE Pipe 0 OutlalUCatch Basin 167 y �` 0 y PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION. • • CITY OF RENTON MEMORANDUM Date: May 30, 1996, To: ,Ron Straka/Surface Water Utility From: 14ark Pywell/Development Planning Subject: High Avenue Stormwater Outfall Improvement Project No. LUA-96-062,ECF The Development Planning Section of the City of Renton has received the above-referenced application for environmental review. have tentatively scheduled a presentation of the project to the ERC Committee on June 25, 1996. At that meeting, you and I will present staff recommendations for the Committee's review and environmental determination. Following the ERC meeting, I will send you copies of the determination along with the timeframes for the public comment and appeal periods for your files. If you have any questions, please contact me at 277-5586. ACCPTMEM.DOC • CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS MEMORANDUM DATE: MAA-i V-1, 19%V TO: ftla ' FROM: Karen SUBJECT: New File Set-Up Please fill out complete the following information to facilitate routing of file and application acceptance. If you have any special form needs or special instructions, please write them in the Comment Section. Acceptance Date: Applicant: File Number: Re fAV L.Of- 7'0 ` eo2 ,5-6'r Project Name: Project Manager: 11, 4 61k,ss S�:�.�►wacei' dr�r��'�11�q/�iv�.reyr'�.«<- Date Circulation Reguested: Date Comments Due: Work Order Number: Function Number: `l$� .4010 Project Description: /,�v �, L /1t.�Gor! f L. .I f L4 I cam✓ MiA'�✓/ /' ING/'4�l �istG w.` tXGt Tl.G GXijG �J oa�/� 6 �'�''•%"l Z�iGvt�r� .a i' � l�✓c f T1ly fG�s G'u''w•Yl/'y i,'K !�v Location: ✓rQ G '�''s` ✓w ac Liss/l�' Z 4e- Gast dl G4 a/'"`� Site Area: �f.ADO f ,ems Building Area(gross):� G Building Area(new expansion gross): / Estimated ERC Date: --- HEX Date: J u•sL ;?- r.s l?r�- DOT Notification Required: Yes ❑ No 9- Boeing Notification: Yes ❑ No 9L (Lori Pitzer) Airport Notification: Yes ❑ No 1 L Comments: CITY OF RENTON DEVELOPMENT SERVICES DIVISION MASTER APPLICATION OWNER(S) PROJECT INFORMATION (co#0 Note: If there is more than one legal owner,please attach an additional notarized Master',application to each owner. EXISTING LAND USE(S): NAME: CITY OF RENTON Residential Single Family(R-8) Undeveloped wooded slope ADDRESS: Municipal Bldg, 200 Mill Ave South PROPOSED LAND USE(S): Same as above CITY: Renton,WA zip: 98055 EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: TELEPHONE NUMBER: (206) 277-5548 Residential single family and residential rural CONTACT PERSONIAPPlICANT PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION: Same as above NAME: Ron Straka, Surface Water Utility EXISTING ZONING: ADDRESS: CITY OF RENTON Single family residential, 200 Mill Avenue South Resource conservation PROPOSED ZONING: CITY: Renton ZIP: 98055 Same as above SITE AREA(SQ.FT.OR ACREAGE): TELEPHONE NUMBER: (206) 277-5548 Approximately 15,000 s.f.construction area PROJECT INFORMATION PROJECT VALUE: PROJECT OWDEVELOPMENT NAME: Approximately$150,000 High Avenue South Stormwater Outfall IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? Improvement Project APA Zone 2 PROPERTY/PROJECT ADDRESS(S)/LOCATION: IS THE SITE LOCATED IN ANY OTHER TYPE OF SW 1/4,Sec. 17,Twn 23N,Range 5E ENVIRONMENTALLY SENSITIVE AREA? High Avenue South Right of Way at approximately g w-�.P l r 525 High Avenue South Erosion H' k� ,,landsl. eTiazard KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): Seismic Hazard and medium coal mine hazard areas MAC' 2 6 1996 City of Renton High Avenue South Right of Way 5640500045 I t 1 pLANNING 0007200001 DE.VEL A N"L N LEGAL DESCRIPTION OF PROPERTY'(Attach separate sheet if needed) See attachment#1. TYPE OF APPLICATION &FEES' Check all application types that apply --City staff will determine fees. _ANNEXATION $ SUBDIVISION _REZONE $ _SPECIAL PERMIT $ _LOT LINE ADJUSTMENT $ _TEMPORARY PERMIT $ _SHORT PLAT $ _CONDITIONAL USE PERMIT $ _TENTATIVE PLAT $ _SITE PLAN APPROVAL $ _PRELIMINARY PLAT $ _SPECIAL PERMIT $ _FINAL PLAT $ _GRADE&FILL PERMIT $ (No. Cu. Yds: ) _VARIANCE $ PLANNED UNIT DEVELOPMENT $ (from Section: ) _PRELIMINARY _WAIVER $ _FINAL _ROUTINE VEGETATION MANAGEMENT PERMIT $ BINDING SITE PLAN $ MOBILE HOME PARKS $ SHORELINE REVIEWS: _SUBSTANTIAL DEVELOPMENT $ _CONDITIONAL USE $ _VARIANCE $ _EXEMPTION $NO CHARGE REVISION ENVIRONMENTAL REVIEW $ AFFIDAVIT OF OWNERSHIP I, (Print Name) or�44_i declare that I am(please check one) _the owner of the property involved in this application, the authorized representative to act for the property owner(please attach proof of authorization), and that the foregoing statements and answers herein contained and the information herewith are in all respects true and correct to the best of my knowledge and belief. 120 Al g-'(_D S 5 7 F,kA I certify that I know or have satisfactory evidence that A (Name of Owner/Representative) signed this instrument and-acknowledged it to be his/herir free and voluntary act for the ses and purposes mentioned in the instrument. (Signature of O r/Representative) Notary-Public in and foVthe State of Washington LJm STEP�JE�/S Notary(Print) (THIS SECTION TO BE COMPLETED BY CITY STAFF) City Fiie Number ECF SA R SHPL CU LLA PP FP TP SP RUMP V AAD W PUD FPUD SM SME PMHP FMHP' BSP A TOTAL FEES: $ TOTAL POSTAGE PROVIDED: $ KDOCS:96-260:13S:ps ATTACHMENT 1 Located in SW 1/4 of Section 17, Township 23 North, Range 5 East W.M. at approximately 525 High Avenue South. Storm drain improvements will begin at the existing catch basin in High Avenue South, extending approximately 42 feet north to the end of the road right-of-way, continuing north through a public utilities easement in Tract X (see description below), and then continuing in a north- northeast direction through Parcel No. 000720-0001 a distance of approximately 375 feet (total pipeline length approximately 450 feet). Tract X: Revised Lot 2 of City of Renton Lot Line Adjustment No. 009-92 as recorded under King County Recording No. 9202269004. Utilities Easement: A strip of land 20.00 feet in width across Tract X, beginning at the northwest corner of High Avenue South right-of-way; Thence northerly along the northerly extension of the westerly right-of-way line of High Avenue to an intersection with the northeasterly line of Tract X; Thence southeasterly along said line to an intersection with a line 20.00 feet easterly of and parallel with said westerly right-of-way line; Thence southerly along said parallel line to an intersection with the northerly right-of-way line of High Avenue. Thence westerly along said right-of-way to the point of beginning. cAhigh\doc\LEGDES.DOC HIGH AVENUE SOUTH STORMWATER OUTFALL IMPROVEMENT PROJECT PROJECT NARRATIVE The project is located in the Southwest quarter of Section 17, Township 23 North, Range 5 East W.M. at approximately 525 High Avenue South and extending approximately 450 feet to the north. The project consists of reconstructing and improving an existing stormwater outfall located at the north end of High Avenue South. The existing storm drain outfall is a 12-inch diameter corrugated metal pipe (CMP) which serves as the discharge for the collected upland surface water runoff. The upland surface water is discharged at the top of the slope at the north end of High Avenue South. The stormwater discharged from the existing outfall at the top of the slope may increase the risk of landslides to the adjacent slopes, loss of property, and damage to the existing outfall. In order to decrease the risk of landslides to the adjacent slopes, the project would install a "tightline" pipe extension beginning at the last catch basin located in the north end of High Avenue South right of way, replacing the 12-inch CMP and traversing the slope from the existing outfall location to the base of the steep slope area. The project would reconstruct and extend the existing outfall using a 12 to 18-inch diameter high density polyethylene (HDPE) pipe. The new HDPE pipe would extend about 450 feet into a catch basin/outlet structure at the bottom of the steep slope. At this point the stormwater flow would continue along the natural drainage course. Approximately 350 feet of the HDPE would be above ground. The project will include construction over an area of approximately 15,000 square feet. The current use of the project area includes single family and undeveloped wooded slope. Existing improvements in the project area include single family homes at the top to the steep slope, public right of way improvements and utilities including the stormwater outfall proposed for improvement. The project would not result in any changes to the existing uses. The project is located in a erosion hazard, landslide hazard; seismic hazard and medium coal mine hazard area. The project will be constructed in Zone 2 of the Aquifer Protection Area. The estimated total project cost is $150,000. The project construction is estimated to take three to four weeks and is scheduled to start this summer between June and September of 1996. H:DOC S:96-19 8:RJ S:p s ` 1996 DEVELO;-mw,j,,: t iLANNING CITY OF RENTON CITY OF RENTON DEVELOPMENT SERVICES D[VISION ENV'IRONI'1flENTAL CHECKLIST A. BACKGROUND 1. Name of proposed project, if applicable: High Avenue Stormwater Outfall Project 2. Name of applicant. City of Renton, Public Works Department 3. Address and phone number of applicant and contact person: City of Renton, Public Works Department 200 Mill Avenue South Renton, Washington 98055 Mr. Ronald J. Straka, P.E. Phone: (206)277-5548 4. Date checklist prepared. April 30, 1996 5. Agency requesting checklist: tV E� City of Renton r ' 1��6 6. Proposed timing or schedule (including phasing, if applicable): PLANNING The project will be constructed during the summer of 1996. CITY OF RLrNToN 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No. 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. AGRA. Preliminary geotechnical memorandum. December 14, 1995. Prepared for City of Renton, Surface Water Utility by AGRA Earth & Environmental, Kirkland, WA. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 1 AGRA. January 30, 1996. Subsurface exploration and geotechnical engineering study (draft). Prepared for City of Renton, Surface Water Utility by AGRA Earth & Environmental, Kirkland, WA. This information will be available at the City of Renton for review. 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. No. 10. List any governmental approvals or permits that will be needed for your proposal, if known. None known. 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. The project consists of reconstructing an existing stormwater outfall located at the north end of High Avenue South (see Figure 1). The existing storm drain outfall is a 12-inch diameter corrugated metal pipe (CMP) which serves as the discharge for the collected upland surface water. The upland surface water discharges over the slope at the north end of High Avenue South. A landslide occurred in August 1995 following a >1-inch storm event which damaged landscaping on private property immediately upslope of the existing outfall. Continued discharge of stormwater over the steep slope, particularly in the wetter fall and winter months, may increase the risk of landslides to the adjacent slopes, causing loss of upslope property and damage to the existing outfall. In order to decrease the risk of landslides to the adjacent slopes, the project would install a "tightline" pipe extension beginning at the last catch basin on High Avenue South, replacing the existing 12-inch CMP, and traversing the slope from the existing outfall location to the base of the steep slope area. The project would reconstruct and extend the existing outfall using 12 to 18- inch diameter high density polyethylene (HDPE) pipe. The new HDPE pipe would extend about 450 feet to a catch basin/energy dissipator outlet structure at the bottom of the steep slope, at which point, the stormwater flow would continue along the natural drainage course. With the exception of upslope area and the extreme downstream end of the pipeline in the vicinity of the outlet structure, the new storm drain pipeline (approximately 350 feet) will be installed above ground. Approximately 80 feet of pipeline along High Avenue South to the edge of the hillside in the upslope area and 20 feet of pipeline at the downstream end of the project would be installed below ground in a trench. A portion of the upslope pipeline, approximately 20 feet in length, from the north end of the High Avenue South right-of-way crosses private property (parcel 564050-0045). The City is working with the landowner to obtain a Utility Easement in this area (see Figure 2) 12. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, and section, township, and range if known. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applications related to this checklist. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 2 The project is located in the city of Renton in Section 17, Township 23 North, Range 5 East. The project limits are from the north end of High Avenue South downslope to about 450 feet north (see Figure 1). High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 3 —J c� <O N 4TH ST 405 m N 3RD ST g AIRPORT WAY 900 SLLJ z cn E Q D o > Z 169 9` .o S 2ND ST F` Q 9oa S 3RD ST Ln cn V) V) Project Site S S Q Q P > Q Z Q LLJ % > IE cn g � STH �. NORTHER : Li -J w Q S 6TH ST a acn U' TH ST SOS 7TH CT S 7TH ST v' Q LU C-)G a Q = 9� 515 = o � F Legend ---- HDPE Pipe Outfall/Catch Basin c� 167 0 0 N N Z �0 O PUGET Figure 1 E N T R A N C O Project Vicinity 0 50 100 1" - 50' -0" 20' EASEMENT O W W �00 � Q e c SOUTH 6TH STREET GtisY P/B/PW Technical Services Figure 2 + + T.Boyns R.��NIf 9 May 96 D. Yisneski Utility Easement Evaluation for Agency Use Only B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one); flat, rolling, hilly, steep slopes, mountainous, other For detailed information the soils condition on site, see the Preliminary Geotechnical Memorandum, AGRA Earth & Environmental (December 1995); and Draft subsurface exploration and geotechnical study,AGRA Earth & Environmental (January 1996). b. What is the steepest slope on the site (approximate percent slope?) The steepest slope on the site is 100+ percent. c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. According to the Soil Survey King County, Washington (USDA Soil Conservation Service 1973), the area soils consist of Alderwood and Kitsap soils. This mapping unit consists primarily of Alderwood gravelly sandy loam and Kitsap silt loam. Also refer to the Geotechnical memorandum (AGRA 1995,) and Draft subsurface exploration and geotechnical engineering study (AGRA 1996). d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. The site has had a history of landslides, including a recent landslide which occurred during heavy rains in August 1995. For detailed information regarding soil stability, see the Geotechnical memorandum (AGRA 1995) and Draft subsurface exploration and geotechnical engineering study (AGRA 1996).. e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Approximately 200 cubic yards of soil would be disturbed during pipe installation. With the exception of existing topsoil, most of the material excavated from the trench in the upslope area would be removed. Topsoil would be stockpiled on site for reuse. Controlled density fill would be used for pipe bedding and trench backfill. Existing topsoil would be reused to restore the surface of the trench following pipeline installation In the lower section near the outlet structure, existing soil would be reused as pipe backfill material, if suitable. Clean, bank run gravel would be imported for pipe bedding material, if necessary. Unused High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 6 Evaluation for Agency Use Only material excavated for construction of the new outlet structure and lower pipeline will be feathered into the existing ground at the toe of the steep slope. Rock will be imported to provide erosion control protection downstream of the outlet structure. Existing topsoil would be stockpiled for use in restoring the areas disturbed for trench and outlet structure construction. f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. Erosion could occur when the soils are exposed during construction. Construction is expected to be completed within a one-week time-frame. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? There would be no new impervious surface area. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Best management practices would be implemented during construction to control erosion. Construction is expected to be completed within a one-week time-frame. Long term stabilization of soil exposed for installation of underground structures and pipeline would occur after construction is complete. The trench for the buried section of pipeline to be installed in the upslope area would be restored in-kind following pipeline installation. Soil in the immediate vicinity of the existing landslide area would be stabilized by installing either a plastic or shotcrete covering or via reseeding, if feasible to reduce the potential for further erosion damage. Disturbed soil at the lower end of the pipeline and in the vicinity of the outlet structure would be reseeded with native vegetation. 2. Air a. What types of emissions to the air would result from the proposal (i.e., dust, automobile, odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. During construction, emissions from construction equipment would be generated. b. Are there any off-site sources of emission or odor that may affect your proposal? If so, generally describe. None. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 7 Evaluation for Agency Use Only c. Proposed measures to reduce or control emissions or other impacts to air, if any: None. 3. Water a. Surface Water. 1) Is there any surface water body on or in the immediate vicinity of the site (including year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. There is a small wetland on the terrace located below the pipeline outlet structure. This wetland appears to be fed by hillside seeps. 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. The outlet stucture/energy dissipator will be installed in the wetland buffer, approximately 20-30 feet from the edge of the wetland (see attached site plan). 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. None. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. In order to decrease the risk of landslides to the adjacent slopes, the project would install a tightline bypass from the existing outfall location to the lower slope area. 5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan. No. 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 8 i • Evaluation for Agency Use Only b. Groundwater.- 1) Will groundwater be withdrawn, or will water be discharged to groundwater? Give general description, purpose, and approximate quantities if known. No. 2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural;etc.). Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. None. c. Water Runoff(including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into, other waters? If so, describe. The project consists of reconstructing an existing stormwater outfall located at the north end of High Avenue South. The existing storm drain outfall, a 12-inch diameter corrugated metal pipe (CMP), collects runoff from an approximately 31- acre area along High Avenue South, Beacon Way, and Jones Avenue South. Runoff from the upland area currently discharges over the slope at the north end of High Avenue South. To decrease the risk of landslides to the adjacent slopes, the project would install a tightline bypass to convey runoff from the existing storm drain outfall to the lower slope area where the topography is less steep. The project would reconstruct and extend the existing outfall using 12 to 18-inch diameter high density polyethylene (HDPE) pipe. The new HDPE pipe would extend from the existing catch basin in High Avenue South, a distance of about 450-feet to a catch basin/energy dissipator outlet structure at the bottom of the steep slope, at which point, the stormwater flow would continue along its natural drainage course. 2) Could waste material enter ground or surface waters? If so, generally describe. No. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 9 Evaluation for Agency Use Only d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any. To decrease the risk of landslides to the adjacent slopes, the project would install a tightline bypass to convey runoff from the existing storm drain outfall to the lower slope area. The project would reconstruct and extend the existing outfall using 16-inch diameter HDPE pipe. The new HDPE pipe would extend about 450-feet to a catch basin/energy dissipator outlet structure at the bottom of the steep slope, at which point, the stormwater flow would continue along its natural drainage course. 4. Plants a. Check or circle types of vegetation found on the site: X deciduous tree: alder, maple, aspen, other evergreen tree: fir, cedar, pine, other shrubs grass pasture crop or grain wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other water plants: water lily, eel grass, milfoil, other X other types of vegetation b. What kind and amount of vegetation will be removed or altered? Only a minimal amount of vegetation will be altered due to trenching for construction of the underground section of pipeline and associated structures (inlet catch basin and outlet structure). The following two areas will be affected: • Upper end of the pipeline where it crosses the yard of the homeowner at 525 High Avenue South • Lower end in the vicinity of the outlet structure. These areas will be reseeded following construction to stabilize disturbed soil and to reestablish the existing vegetation. c. List threatened or endangered species known to be on or near the site. Not known. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 10 i • Evaluation for Agency Use Only d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any.- Disturbed areas would be replanted/reseeded with native vegetation. 5. Animals a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site: Birds: hawk, heron, eagle, songbirds, other Mammals: deer, bear, elk, beaver, other raccoons Fish: bass, salmon, trout, herring, shellfish, other b. List any threatened or endangered species known to be on or near the site. Not known. c. Is the site part of a migration route? If so, explain The project is within the Pacific Flyway. d. Proposed measures to preserve or enhance wildlife, if any: None. 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. None. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No. c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: None. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 11 Evaluation for Agency Use Only 7. Environmental Health a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. Fuel or oil spills could occur from construction equipment. 1) Describe special emergency services that might be required. None. 2) Proposed measures to reduce or control environmental health hazards, if any: Refueling of equipment would not occur in sensitive areas. Equipment would be checked for oil leaks and repaired before returning to site. b. Noise 1) What types of noise exist in the area which may affect your project(for example: traffic, equipment, operation, other)? None. 2) What types and levels of noise would be created by or associated with the project on a short-term or a long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would.come from the site. Short-term noise would be generated from construction equipment and could go as high as 90 dBA. No long-term noise would be generated from the project. 3) Proposed measures to reduce or control noise impacts, if any: Construction activities would occur only on week days between the hours of 7:00 a.m. and 5:00 p.m. Heavy equipment will be equipped with mufflers to the extent possible as required by city code and state regulations. 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? The site is currently a greenbelt and consists of steep slopes. Residential land uses are located atop the steep slopes along High Avenue South. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 12 Evaluation for Agency Use Only b. Has the site been used for agriculture? If so, describe. No. However, the site may have been used historically to harvest timber. c. Describe any structures on the site. None. d. Will any structures be demolished? If so, what? Does not apply. e. What is the current zoning classification of the site? The land on top of the slope is zoned Single-Family, and the steep slope is zoned Public Use. f. What is the current comprehensive plan designation of the site? Low-Density Single-Family along the slope and Single-Family Residential (8 du/ac) on top of the slope. g. If applicable, what is the current shoreline master program designation of the site? Does not apply. h. Has any part of the site been classified as an "environmentally sensitive"area? If so, specify. The steep slope is a wildlife habitat area and is a medium coal mine hazard area. The slope is also an erosion hazard and high landslide hazard area. i. Approximately how many people would reside or work in the completed project? Does not apply. f Approximately how many people would the completed project displace? Does not apply. k. Proposed measures to avoid or reduce displacement impacts, if any. Does not apply. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 13 Evaluation for Agency Use Only 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: The project is consistent with Objective U-3.0 in the comprehensive plan by minimizing the potential for erosion and sedimentation resulting from runoff. 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. Does not apply. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. wfl Does not apply. c. Proposed measures to reduce or control housing impacts, if any: Does not apply. 10. Aesthetics a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s)proposed. A 12 to 18-inch diameter HDPE pipe would be installed above ground for a distance of about 350-feet along the steep slope. b. What views in the immediate vicinity would be altered or obstructed? The pipe is not expected to be visible from the property further down the slope. The pipe may be visible from the top of the slope at High Avenue South. c. Proposed measures to reduce or control aesthetic impacts, if any: Areas disturbed by construction activities will be restored to their original condition. Native vegetation, to be planted and seeded in the disturbed areas, is expected to grow adjacent to the pipeline, and over time will obscure the view of the pipe. 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? Does not apply. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 14 Evaluation for Agency Use Only b. Could light or glare from the finished project be a safety hazard or interfere with views? Does not apply. c. What existing off-site sources of light or glare may affect your proposal? Does not apply. d. Proposed measures to reduce or control light and glare impacts, if any: None. 12. Recreation a. What designated and informal recreational opportunities are in the immediate vicinity? The City Parks Department owns the undeveloped property to the north of the project. b. Would the proposed project displace any existing recreational uses? If so, describe. None. c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: None. 13. Historic and Cultural Preservation a. Are there any places or objects listed on, or proposed for, national state, or local preservation registers known to be on or next to the site? If so, generally describe. Not known. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. None. c. Proposed measures to reduce or control impacts, if any: None. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 15 Evaluation for Agency Use Only 14. Transportation a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any. The project is located on High Avenue South. The lower portion of the project would be accessed from Maple Valley Road. b. Is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? Does not apply. c. How many parking spaces would the completed project have? How many would the project eliminate? Does not apply. d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private? No. High Avenue South would be patched with asphalt. e. Will the project use (or occur in the immediate vicinity ot) water, rail, or air transportation? If so, generally describe. Does not apply. f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. Does not apply. g. Proposed measures to reduce or control transportation impacts, if any: Does not apply. 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. No. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 16 Evaluation for Agency Use Only b. Proposed measures to reduce or control direct impacts on public services, if any. The project would eliminate a chronic erosion and landslide problem at the existing outfall at the top of the steep slope. 16. Utilities a. Circle utilities currently available at the site: electricity, natural gas, water, refuse service, telephone, sanitary sewer, septic system, other. None. b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Does not apply. High Avenue South Stormwater Outfall Improvement Project H:DOCS:96-201:RJS:ps Page 17 C. SIGNATURE I, the undersigned, state that to the best of my knowledge the above information is true and complete. It is understood that the lead agency may withdraw any declaration of non-significance that it might issue in reliance upon this checklist should there be any willful misrepresentation or willful lack of full disclosure on my part. Proponent: �� Z r i Name Printed: Ronald J. Straka, P.E. Date: z3 ` 05/28/96 09:54 FAX 206 454 0220 ENTRANCO ENG. lfl 002/002 F�0?01 •f 7 M GRv� y �NDAZI ncr Sr<%jcM,� pRAINA e" � hP2 /y co LU ! 1 LNN"\G or-REN I\ 32$7= 133.4 S 84'12'02" E 11934 A , 63 0 F 0 25 50 100 150 200 s 18 � � • S 79'41'43" E O � 66�7 s �.��'�1 `{✓ . ss � 11.1 C� 5933" 57 r� FIRE NY'DR4NT WA TER VAL VE t 1 O c p �Qp El 3 SIGN POST (NOTE TYPE) </� S CB \ \ \ i=ARCE�..�., C ) s O GA7CN BASrN �9. �') 3 Ma'✓TOLE CR41N \ GRATE = 48.99 \ IE&'CONC N - 44, © POWER TRANS-FOR ER CB GRATE 49.58 IE 4"�P\VC N/S 4 7.98 ❑ \ @` _ },} / \ r ` \ OUTFACE GB ❑ IE = 4459 CsR O AT ■ 48.71 \ IE b" CONIC E/W = 44-24 1-1— CB GRATE = 49.46 C* �,9 `' IF 6" CONG N 41-46 so ti DET t _ ❑ POND GRATE 49.12 C5 40 ° IE 18" 5 44429 / Z 40' ROADIUAY EASEMENT y GRATE = 49.00 IE 18" W 4435 4?6 79.35100' W REC. NO. 6125195 IE 6" SW = 4730 r N CLEAN OUT i� 3242g \ RIM = 49.86 50 \ IE 6" CLAY S = 48.4 AC 46 Op \/�\ 1 � MAIN 4522 \ \ \• \ BLDG. STORM MN \ \ EI 24" CLAY' E/W = 4436 \ A\ \ \ IE 8" CLAY SW = 48.01 pl \ \ 60 `S1 \ \ B 5TORT 1 MN C 6 s� O \ \ = 5 9 RIM 5146 \ �� LI IE 6" TILE s = 48.91 yc�c \ \ SILTED IN IE 4" TILE NW = 49-21 6A rE 6- TILE E = 46-91 �o<t IE 4" IRON W = 50.51 cy ?i .•;�pli '•.b7 Lu $ \ \ _ CURTAIN \ DRAIN CzRATE r ) 60 \ IE b" SE/ N -1151b2 O G5 TOE C6� ' GRATE 54.01 ❑ / 5 OZ /� so S IL TED IN S6 `� PARCEL L A 60 STOCKPILE �D �— AREA \ ? PARCEL 5 Q � zn - 1 110 N o o 3? p>R C7F Q v NOT ABLE TO DETERMINE 60 A THE END OF DRIVEWAY' ui _ mCD Pr T Q M oc Lu {' d) 120 cB GRATE 1133 1 IE l" CLAY LU/ N = 1623 \ l 10 60 1 (! 100 80 1 110 S V4 SEC I1-23-5E. Wl-t 120 z 120 Ln � 5 „o L or Ln u co / _ r PARGEL A Lu w = o d) � loo w 110 o 120 4?so Q � u O o o tTS U W S. LINE SE 114 SEC 17-23-5E WI2 IZ3.91 N 8S'51'41= W :fir no; A.. lfLuw ... .. .•-..... ..__ a _. r ,,:- I I •- I O CENTER SECTION 17-23-5E. WI"1. . I -A6 0 ° 6O 40' h Z I PUGET POiL9=R Q ^rye / E I I�A, REC. NO_ b 7?5195O• 10 ■ /�0 P P�0� 4 / � / SC ,4L � � - -� � • . Sp / \ 08 \+ �c c / 272 o � S , 150 200 �t� / -4co � \yam\A �R • / 4 � �`� A FIRE H1'DRAN7`, � -U NO 1 \ I \ \ N U!A TER VALVE, O a SIGN POST (N0 \ \ lE T YPE) V/ ` 50 o CATCH BASIN •(\ \ 0 MANHOLE DRA 1 IN f I. A TEN SECOND THEODOL/TL AND ELECTRONIC DISTANCE METER WERE USED !N \ FENCE \ o PERT=0R1'1(NG THIS SURYEI' 2. NO ATTEMPT HAS BEEN MADE TO LOCATE OR DETERMINE THE L IMITS OF RG ANY V �--UNDEROUND FOUNDATIONS OR SLABS. _^ ❑GB ' 3. UTILITIES SHOU.N HAVE BEEN LOCATED FROM FIELD SURVEY � ( Z (Jv �O GRATE ■ 46.8p INFORMATION AND/ OR EXISTING DRAWINGS_ THE SURVEYOR MAKES NO GUARANTEE !E 6" CONC NW 45B'S 140 THAT THE UTILITIES SHOLLN COMPRISE ALL4.SUCH UTILITIES /N THE �\� o F3 50 AREA, EITHER M SERVICE EFaSR OR ABANDONED. THE SURVEYOR FURTHER DOES NOT `\ /.. FLAG ry WARRANT THAT UNDERGROUND UTILITIES SI-40U.N ARE IN THE EXACT LOCATION 60 INDICATED ALTHOUGH NE DOES CERTIFY THAT THEY ARE LOCATED AS ACCURATELY O E LOCATED POSSIBLE FROM INFORI'?ATION AVAILABLE. THE SURVEYOR HAS NOT PHYSICALLY ,41 - LOCATED THE UNDERG- OUND UT/L/t/ES_ y 4 ALL BOUNDARY INFORMATION INCLUDING LEGAL DESCRIPTIONS AND EASEMENTS U.ERE , I v -Z' TAKEN FROM FIRST AMERICAN TITLE INSURANCE CO. COMMITMENT NO. ?10074-5, DATED I BLDG. ` ? fI MARCH 18, 199?, AND AMENDED JULT' 8, 199? AND OCTOBER ?9, 1997. �- � O NO FURTHER SEARCH OF THE RECORD WAS MADE a�jPNA !E = 3660 `�• AN EASEMENT EXISTS OVER AN UNDISCLOSED PORTION OF SUBJECT PROPER T-1- M FAVOR � A A \ z B \ CNICAGO, M/LWAUKEE AND ST PAUL RAILWAY CO_ FOR AN ELECTRIC TRANSMISSION SYSTEM AS � f- GRATE 47.01 • 1O �,. 10 DISCLOSED 8Y INSTRUMENT UNDER RECORDING NO. 118640E 9 IE 6" GONG W = 46.0?\ \ �N 6 6. fy- THIS SITE !S SUBJECT TO RESERVATIONS AND EXCEPTIONS TO THE FAVOR OF PUGET SOUND 70 PO(LER AND LIGHt CO. FOR THE ASSIGNS TO ALL RIGHTS TO COAL, OIL, AND OTHER METALS \ \ 9 \ 82'11'56" E O AND MINERALS, EXCEPT CLAYS AND SHALES, TLYsETHER WITH THE R/GI-!T TO MAINTAIN AND - 2 OPERATE AN ELECTRIC POLE OR TRANSMISSION LINE AND APPURTENANCE AS DISCLOSED TANK _ • S 84'12'02" E BY INSTRUMENT UNDER RECORDING NO 2817183 AND MODIFIED UNDER RECORDING NO. 67?3504. � (1� �r � 11934 7. THIS SITE fS SUBJECT TO A D FOOT WIDE AND FOR ELECTRICAL TRANSMISSION AND/OR CB ❑DISTR/BUTTON LINES TO THE BENEFIT OF PUGET SOUND POWER AND LIGHT CO A3 SHOl1N; AS R Gf�iAT1= = 41b1 I 8 DISCLOSED PER INSTRUMENT UNDER RECORDING NO 67?5195. 63 0 IE 6• TILE E 4rc GB �c // 9 B. THIS SITE IS SUBJECT TO A 40 FOOT ROADWAY EASEMENT TO THE BENEFIT OF PUC-xE'T SOLNO //0 1z.� POUTER AND LIGHT CO. AS SN I ❑ GRATE 41.66 RR ❑ P :ice OLLN AS DISCLOSED PER /NSTRUlr1ENT UNDER RECORDING NO. ?8?4086 IE 6" TILE E/ W ■ 44.76 SWITCH 9 THIS SITE 15 SUBJECT TO RESERVAT70NS AND EXCEPTIONS TO 1 HE FAVOR OF PUGET S0(11ID POit ER A� R AND LIGHT CO FOR T ASSIGNS TO ALL RIGHTS TO COAL, OIL .4`'D OTHER METALS MINERAL$, e" ROUN HE D INLET EXCEPT CLAPS AND SHALES AS DISCLOSED BY INSTRIAIENT L1ND=R AND RECORDING NO. 4041480 GRATE ■41-41 ce 40' ROAD F3MT. Gie4TE . 47.7T IE 4" PVC W - 46,46 /E e'CLAY E = 43.r5 O. THIS SITE /S SUBJECT TO A COVENANT TO BEAR SOLE COST AND EXPENSE OF MAINTENANCE REC. NO. 2824086 Z \ IE e'CLAr u!- 4339 CB REPAIR OR RECONSTRUCTION OF THE ACCESS EASEMENT APPU IE W cLAY s - 42.31 GRATE 41.11 THIS SITE AS DISCLOSED BY INSTRUMENT UNDER RECORDING NOR?8 7 gqT TO/AIB A> R Q {` IE e•cL ar N . 43.2 G'� IE 6" TILE E/ W 44.06 EASEMENT ADJOINS THIS SITE AT IT'S N.W. CORNER VICIN177 '�- Qy \ � 48 V MN D IN \ ti GUARD 5WAGC /E 6•CLAT'N = 42.91 A IE 8'C Ar E/W- 42.W �J`-t \ S 1 S op O 76 \ GRATE ■ IE 6" TILE W 44.91 �•t0 .. bO\o NORTH 0I'14'07" EAST BETll.EF'N MONUMENTS FOUND /N PLACE AT THE SOUTH 114 CORNER `Q , \ I l �- P•.d' py�4p AND CENTER SECTION MONUMENT OF SECTION 17 T23N„ R5E^ WJ`L AS g�tp� SECTION BREAKDOU,N • ` ` \ � \ Aqq..���� Sa - p `F �C: I GRATE 492, 50 Q O 6 r L.. ` ` \ \ dl n I M � !E • PVC E TIC ✓ AT*U 1 IE 6" PYG 5 . 4b.4.11 OL W Dr, IE 8" TILE NE 463, e<� `�. El\ TOP OF MONUMENTMAIN BLDG IN CASE AT THE INTERSECTION OF SOUTH 2nd AND , TANK �'�c. � \ MILL AVENUE SOUTH; ELEVATION ■ 4125 - DATW1 ■ CITY OF RENTON (U.S.C. AND GS_J \ I c�. A �C T @< \CB O 6 ~T� (0-B0444GRATE48.99/( / ( ]� 4r \ \'CCNC N - 46.95 Iscl PARCEL A: 10 5 A� CB \ 4e� CB I GRATE - 4958 A U i \ \ GRATE • 48�8 /E 4" PVG N/S = 47.98 n THAT PORTION OF THE WEST HALF OF THE SOUTHEAST QUARTER OF SECTION 11, ` \ �q .r w TOU.NSHIP 23 NORTH, RA,4GE 5 EAST, WM., IN KING COUNTY, WASHINGTON, LYING IE 8" TILE SE = 46.98 CURTAIN ❑ B \ SOUTHERLY OF THE BURLINGTON NORTHERN RAILROAD RIGHT OF WAY, AS DRAIN w A�s r COUNTY RECORDING NO. 162408. OUTFALL ESTABLISHED BY DEED RECORDED UNDER KING N CB O \ IE 4459 EXCEPT THAT PORTION DE SCR/BED AS FOLLOWS: 24' vERt TILE GRATE � 1`GRATE 51.15 �) lE 6" CONC E/W 4414 @< p 'Cob BEGINNING AT THE ` 7HWEST CORNER OF THE SOUTHEAST QUARTER OF SAID SECTION 11IE (90'BEND)■ 4840 p 4 THENCE NORTHERLY ALONG THE WEST LINE THEREOF, A DISTANCE OF 500 FEET C/)• \ �_ � R I CB i THENCE SOUTHEASTERLY ALONG A LINE TO A POINT ON THE SOUTH LINE OF 1 HE 80 @< SOUTHEAST QU.4RTFR OF SAND SECTION A U>s•IIGH POINT LIES 1200 FEET EAST OF, AS ^( STORM MH GRATE ■ 49-46 A OF S ALONG THE SOUTH LINE OF SAND SECTIOIq, FROM T;qE SOUT-LEST CORNER 79�3�' RIM = 49.41 IE 6- CONC N ■ 47.46 � o OF SAID SOUTHEAST QUARTER ���� ((I 32 _�� IE 8' TI SW\43.bb !\ 8 (� \ w THENCE iLESTERLY'41-p/dr= THE SOUTH LINE OF THE SOUTE(EAST QUARTER OF SECTION 17, D/ lE 14• TILE W . 42.41 DISTANCE OF 1200 FEET TO THE 50U7H(LEST CORNER THEREOF AND THE POINT OF " TILE i�1! 4`\ U DET GRATE 4g7? H BEGINNING. \ ❑ R;,c�ND � IE 18" S = 44�9 � \ CB IE IS' W ■ 4435 W PARCEL B: GRATE 49A0 40��// ,� \ !E 6. 5W ■ 4730 A \ \ 71 HAT PORTION OF GOVERNMENT LOT 5, SECTION 11, TOU,NSHIP 23 NORTH,RANGE 5 EAST, WM. IN KING COUNTY, WASHINGTON, LYING SOUTHERLY OF THE \ p�T CLEAN OUT � BURLlNGTON NORTHERN RAILROAD RIGHT-OF-WAY AS ESTABLISHED BY DEED \ 1E 6' 4986 50 \ q v RECORDED UNDER KING COUNTY RE �p� \ CLAYS 48.46 48 CORDING NO. 1624p8 AND NORTHERLY AND 90 \ EASTERLY OF A LINE DESCRIBED AS FOLLOWS: SECTION I,, AND THE SOUTHERLY MARGIN OF SAID COMMENCING AT A POINT OF INTERSECTION OF THE EAST LINE OF SAID RAILROAD RIGHT-OF- BURLINGTON NORTHERN _ \ WAY; \ \ THENCE NORTHWESTERLY '3 ALONG SAID SOUTHERLY MARGIN TO A POINT 1, 622 OUTFACE FEET NORTH AND 1;39.88 FEET EAST OF THE SOUTH QUARTER CORNER OF SAID \ \ MAIN IE 4522 SECTION Il AND THE TRUE POINT OF BEGINNING EST ,03 61 FEET; OF SAID DESCRIBED LINE; D \ BLDG THENCE SOUTH 81'24' WE THENCE NORTH 56'31' WEST 624,00 FEET; \ THENCE NORTH 19'35' WEST 351.00 FEET TO A POINT 1,440.92 FEET NORTH AND 320.13 \ FEET WEST OF THE SOUTH QUARTER CORNER OF SAID SECTION 11; /A&- THENCE NORTH 41'25' WEST 160A0 FEET; 100 \ \ \ THENCE NORTH 26-55' WEST 216.00 FEET; \ \ THENCE NORTH 8'41' WEST TO THE SOUTHWESTERLY MARGIN OF SAID RAILROAD \ \RIGHT-OF-WAY AND THE TERMINUS OF SAID DESCRIBED LINE. PARCEL C. :IRATE 51.19 AT PORTION OF GOVER114MENT LOTS 6 AND 5, AND THE SOUTHWEST QUARTER IC/4 S? z OF THE SOUTHEAST QUARTER IN SECTION n, TOU,N5HIP 23 NORTH, RANGE 5 EAST, � << o WM, IN KING COUNTY, WASHINGTON,LYING NORTHERLY OF THE BURLINGTON AREA MAPPED SEILER MANHOLE \ S NORTHERN RAILROAD RIGHT-OF-WAY, AS ESTABLISHED BY DEED RECORDED RIM ■ 'SL46 W UNDER KING COUNTY RECORDING NO. 162408 AND \ ❑ DESCRIBED AS FOLLOWS: ` aTHERLY OF A LINE zzz \ GO I COMMENCING AT THE INTERSECTION OF THE NORTH AND SOUTH CENTERLINE OF � t SAID SECTION 11, W(TH THE NORTHERLY MARGIN OF SAID BURNG LITON- -NORTHERN RIGHT-OF-WAY; i THENCE SOUTH 59'23'01' EAST ALONG SAID NORTF-IEFcLY MARGIN 285.94 SET TO ! THE TRUE POINT OF BEGINNING OF SAID DESCRIBED LINE; THENCE NORTH 19'I1'10" EAST 42.68 FEET; 100 THENCE NORTH 66'41'51" EAST 11456 FEET; AREA MAPPED THENCE SOUTH 14'33'43" EAST 134.69 FEET; ISO \ THENCE SOUTH 81'12'48' EAST IM34 FEET; THENCE SOUTH 66'04'38" EAST 111.10 FEET; \ ,t:'��>C� THENCE SOUTH 51'18'51• EAST 9 PARCE • 8 6.15 FEET; 6� \ THENCE SOUTH 80'2959= EAST 118_16 FEET; �THENCE SOUTH 13'06'514 EAST 10828 FEET; � THENCE SOUTH 82'48'29" EAST 6621 FEET; 110 ,p T14ENGE SOUTH 14'0019" EAST 9 ui55, FEET; ' THENCE SOUTH 31'S9'12• EAST 13.18 FEET; T THENCE SOUTH 20'32'12' EAST {82.89 FEET; ry m THENCE SOUTH 12'05'21= EAST 8024 FEET; THENCE SOUTH 25'19'42• EAST 15551 FEET; THENCE SOUTH 6'06'06" EAST 6558 FEET, MORE OR LESS TO THE NORTHERLY MARGIN OF SAID BURLMGTON NO RTHEFN RIGHT-OF-WAY AND THE TERMINUS ~ � \ OF SAID DESCRIBED LINE. U , ALL SITUATE IN THE COUNTY OF KING, STATE OF WASHINGTONui - _ s x - u1 b w p - luO �[ _ 4. 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