HomeMy WebLinkAbout03319 - Technical Information Report TECHNICAL INFORMATION REPORT
Proposed Plat of Windstone III
Kitsap Place N.E. Extension,
North of the Stoneridge Plat
Renton, Washington
Prepared for:
KBS Development Corporation
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12320 N.E. 8th Street, Suite 100
Bellevue, WA 98005
' July 27, 2005
Our Job No. 11470
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TABLE OF CONTENTS
A. INTRODUCTION/GENERAL INFORMATION
B. TEMPORARY EROSION AND SEDIlVIENTATION CONTROL CALCULATIONS
C. TECHNICAL INFORMATION REPORT FOR THE PLAT OF STONERIDGE
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A. INTRODUCTION/GENERAL INFORMATION
A. INTRODUCTION/GENERAL INFORMATION
The proposed Plat of Windstone III is an approacimate 1.16-acre site located within a portion of
the Southeast quarter of Section 3,Township 23 North, Range 5 East, Willamette Meridian, City
of Renton, King County, Washington. More particularly, the site is located at the north tertninus
of the Plat of Stoneridge at the street terminus of Kitsap Place N.E. Stoneridge is a recently
constructed plat and is still under development at this time. The Plat of Windstone III, however,
is five separate lots with one lot already constructed as part of the Stoneridge plat located south of
the Windstone III plat that will be incorporated with this plat and it was not part of the acreage
previously quoted in this text. Please refer to Section C. of this Technical Information Report for
the Plat of Stoneridge Technical Information Report, which incorporated this Windstone III
development within the water quality, flow control, and conveyance calculations for the
Stoneridge plat and proposed to include 2.34 acres of future development at the location of the
Windstone III plat,even though we are only developing 1.16 acres at this time.
,
11470.007.doc[JPJIdm] �I
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B.C.E.JOB NO. 11470 �'�e �'\Ii000s\II�7J\enq�neer�nq\11170-qml0wq Dale/1xn�:07/76/]005 i�11 Scale 1.3014�n<oi0%rel� x11�10-¢.xI1�70-Lz�1�70-D.olii11�70-D. I
B. TEMPORARY EROSION AND
SEDIMENTATION CONTROL CALCULATIONS
B. TEMPORARY EROSION AND SEDIMENTATION CONTROL CALCULATIONS
A sediment trap is proposed to treat runoff during construction and is located in the northeast
corner of the Windstone III proposed plat and sized according to King County requirements as
adopted by the City of Renton. The temporary erosion and sedimentation control calculations are
on the following page.
11470.007.doc[JPJ/dm]
Appended on: 14:33:11 Tuesday,July 26,2005
11470tesc Event Summary
Event Peak Q (cfs) Peak T (hrs) Hyd Vol (acft): Area (ac) Method Raintype
2 year 0.2703 8.00 0.1020 1.1500 SBUH TYPEIA
• 10 year 0.4653 �.00 0.1641 1.1500 SBUH TYPEIA
Record Id: 11470tesc
Design Method SBUH Rainfall type TYPElA
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Hyd Intv 10.00 min Peaking Factor ; 484.00—�
_ ____ _. __. __
Abstraction Coe—��0.20
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Pervious Area r 1.15 ac DCIA 0.00 ac
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Pervious CN 87.00 DC CN � 0.00
----. __ ____..__._ __ __�...._
Pervious TC 5.92 min DC TC 0.00 min
Pervious CN Calc
___
Description �SubArea Sub cn
Dirt roads &Parking Lots 1.15 ac 87.00 i
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Pervious Composited CN (AMC 2) 87.00
Pervious TC Calc
Type Description Length Slope Coeff Misc TT
Sheet Cultivated Soil w/residue cover 50.00 ft 2.00°Io 0.0600 2'20 3.26
(s<-20°Io).: 0.06 m irun
�Inte�i�n� Earth-lined (n=0.025) f60.00 2.00% 0.0250 �n
Pervious TC 5.92
min
Licensed to: Barghausen Engineers
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B.C.E.JOB NO. 11470 ���a� a���iouo.�„uo�.�,�,�«,��9�,�a�o-s,�,, oo�e�r��„„.o���n�zons ias, s��,�R� i�ao m.r�����a x,.rR� :�,��o-s,�n.�o-�,�,�uo-o,or.
C. TECHNICAL INFORMATION REPORT FOR
THE PLAT OF STONERIDGE
�
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Technical Information Report
Proposed Piat of Stoneridge
148th Avenue S.E. and S.E. 107th Place
King County, Washington
Prepared for:
KBS Development Corporation
12320 N.E. 8th Street, Suite 100
Bellevue, WA 98005
Apri) 5, 2004
Our Job No. 11189
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'��� TABLE OF CONTENTS
1.0 PROJECT OVERVIEW
Figure 1 —Technical Information Report(TIR)Worksheet
Figure 2—Vicinity Map
Figure 3—Drainage Basins, Subbasins, and Site Chazacteristics
Figure 4—Soils
2.0 CONDTTIONS AND REQLJIREMENTS SUMMARY
3.0 OFF-SITE ANALYSIS �
4.0 FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN
A. Existing Site Hydrology
B. Developed Site Hydrology ,
C. Performance Standards
D. Flow Control System
E. Water Quality System
� 5.a CONVEYANCE SYSTEM ANALYSIS AND DESIGN I
6.0 SPECIAL REPORTS AND STUDIES
7.0 OTHER PERMITS
I 8.0 ESC ANALYSIS AND DESIGN
9.0 BOND QUANTTTIES,FACILITY SUMMARIES>AND DECLARATION OF COVENANT
10.0 OPERATIONS AND MAINTENANCE MANUAL
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_�. 1. PROJECT OVERVIEW
The total site azea, including improvements to adjacent roadways, is approximately 16.19 acres.
The project site is located within a portion of Section 3, Township 23 North, Range 5 East, I
Willamette Meridian, King County, Washington. More particularly, the site is located north of
SR-900, west of 148th Avenue S.E., and has the approximate street designation known as
S.E. 107th Place. Please see the attached Figure 2 — Vicinity Map for an exact location of the
project site. There are several existing buildings located in the southeast portion of the project
site and appropriate drive aisles, driveways, parking azeas, and landscaping all under �
pre-developed conditions. The remainder of the site consists of fairly uregularly sloped ground '
consisting chiefly of brush and trees, which tends to slope towards the center of the project site in
a noRherly direction. One of the tributaries to May Creek passes through the center of the site
and is considered a seasonal stream and consists of a small strip of wetland area with a_buffer that
will remain undisturbed with the development of this projecG Slopes on the project range from
2 percent up to 30 percent. In addition to the on-site acreage there aze improvements proposed
for the SR-900 and 148th Avenue S.E. intersection in the form of road improvements consisting
of chiefly 0.25 acres of new impervious surface. ',
There are 58 lots proposed with this phase of the development. An additional 8 to 13 more lots I
are proposed for the southwest corner of the project site. The site tends to slope in a northerly
direction for the most part. There are well over 100 acres contributing runoff to the project site.
This upstream basin of more than 100 acres is partially developed with existing single-family
residences, a schoolyard, some wetland areas, and undeveloped areas as well consisting of trees
and brush; however, for the most part the upstream basin is mostly developed. The proposal for
this development is to construct the lots and adjoining streets with catch basin collection and pipe
� conveyance systems all draining into a centrally located weddetention pond that will perform
water quality as well as flow control, meeting the requirements of King County as well as the
City of Renton, which has adopted the 1998 King County Surface Water Design Manual. The
requirements for this project site are to provide Basic Water Quality and Level 3 Flow Control
due to downstream problems. Please refer to the Section 3_0 Off-Site Analysis for a complete
description of the downstream drainage course and problems associated with it.
5
l l 189.00l.doc[JPl/dm/tepl
FIGURE 1
TECHNICAL INFORMATION
REPORT (TIR) WORKSHEET
.-, King County Department of Development and Environmental Services
TECHNICAL INFORMATION REPORT (TIR) WORKSHEET
Part 1 PROJECT OWNER AND PROJECT ENGINEER Part 2 PROJECT LOCATION AND DESCRIPTION
Project Owner KBS III,LI.0 Project Name
Address 12320 N.E. 8th Street,Suite 100 Stonerid e
Bellewe,WA 98005 l.ocation
Phone Township 23 North
Project Engineer Ali Sadr Range 5 East
Company Bar hausen Consultin En ineers,Inc. Section 3
AddressJPhone 18215—72nd Avenue South Section
Kent, WA 98032/(425)251-6222
Part 3 TYPE OF PERMIT APPUCATION Part 4 OTHER REYIEWS AND PERMITS
� Subdivision HPA ❑ DFW HPA ❑ Shoreline Management
❑ Short Subdivision ❑ COE 404 � Rockery
� Grading ❑ DOE Dam Safety ❑ Structural Vaults
❑ Commercial ❑ FEMA Floodplain ❑ Other
� Other Buildin ❑ COE Wetlands
Part 5 SITE COMMUNITY AND DRAINAGE BASIN
Community
Renton
Drainage Basin
Ma Creek
Part 6 SITE CHARACTERISTICS
❑ River ❑ Floodplain
❑ Stream � Wetlands
❑ Critical Stream Reach ❑ Seeps/Springs
❑ Depressions/Swales ❑ High Groundwater Table
❑ Lake ❑ Groundwater Recharge
❑ Steep Slopes ❑ Other
-1- 1]I 89.002.doc[]PI/dm]
Part 7 SOILS
Soil Type Slopes Erosion Potential Erosive Velocities
Alderwood 6 to 15 percent
❑ Additional Sheets Attached
Part 8 DEVELOPMENT LIMITATIONS
REFERENCE LIMITATIOWSITE CONSTRAINT
❑ Downstream problem Leve13 Flow Control
❑
O
❑
❑ Additional Sheets Attached
Part 9 ESC REaU1REMENTS
MINIMUM ESC REQUIREMENTS MINIMUM ESC REC�UIREMENTS
1 DURING CONSTRUCTION AFTER CONSTRUCTION
� Sedimentation Facilities � Stabilize Exposed Su�(ace
� Stabilized Construction Entrance � Remove and Restore Temporary ESC Facilities
� Perimeter Runoff Control � Clean and Remove All Silt and Debris
❑ Clearing and Grading Restrictions � Ensure Operation of Permanent Facilities
� Cover Practices � Flag Limits of SAO and Open Space Preservation Areas
� Construction Sequence ❑ Other
❑ Other
Part 10 SURFACE WATER SYSTEM
❑ Grass Lined Channel ❑ Tank ❑ Infiltration Method of Analysis
� Pipe System ❑ Vault ❑ Depression KCRTS
� ❑ Open Channel ❑ Energy Dissipater ❑ Flow Dispersal Compensation/Mitigation
� Dry Pond � Wetland ❑ Waiver � of Eliminated Site Storage
� Wet Pond ❑ Stream ❑ Regional Detention Level 3
Brief Description of System Operation Catch basin collection to i conve ance to weUdetention ond
Faciliry Related Site Limitations
Reference Facility Limitation
� -2- 11189.002.doc[JPl/dmj
"�� Part 11 STRUCTUAAL ANALYSIS Part 12 EASEMENTSlfRACTS -
❑ Cast in Place vault � Drainage Easement
❑ Retaini�g Wail � Access Easement
� Rockery>4'High ❑ Native Growth Protection Easement
❑ Structural on Steep Slope � Tract
❑ Other ❑ Other
Part 13 SIGNATURE OF PROFESSIONAL ENGINEER
I,or a civil engineer under my supervision, have visited the site. Actual site conditions as observed were incorporated into this
worksheet and the attachments. To the best of my knowledge the infwmation provided here is accurate.
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� GUIDE TO MAPPING UNITS
For a full description of a mapping unit, read both the description of the mapping im it and that of the soil
series to which the mapping �mit belongs. See table 6, page 70, for descriptions of woodland groups. Other
information is given in tables as follows:
.--„
Acreage and extent, table 1, page 9. Town and country planning, table 4, page 57.
Engineering uses of the soils, tables 2 and 3, Recreational uses, table 5, page 64.
pages 36 through 55. Estimated yields, table 7, page 79.
Woodland
Described Capability tmit group
Map on
symbol Ma�ping unit page Symbol Page Symb ol
AgB Aldeiwood gravelly sandy loam, 0 to 6 percent slopes---------- 10 Ne-2 76 3d2
AgC AldeYwood tzravelly sandy loam. 6 to 15 percent slopes--------- 8 IVe-2 76 3d1
AgD Aldeiwood gravelly sandy loam, 15 to 30 percent slopes-------- 10 VIe-2 78 3d1
AkF Alde�nvood and Kitsap soils, very steep------------------------ 10 VIIe-1 78 2d1
AmB Arents, Alden�rood material, 0 to 6 percent slopes 1/---------- 10 IVe-2 76 3d2
AmC Arents, Aldenvood material, 6 to 15 percent slopes 1/--------- 10 IVe-2 76 3d2
An Arents, Everett mateYial 1/---------------------------------- 11 IVs-1 77 3f3
BeC Besusite gravelly sandy loam, 6 to 15 percent slopes--=------- 11 IVe-2 76 3d2
BeD Beausite gravelly sandy loam, 15 to 30 percent slopes=-------- 12 VIe-2 78 3d1
BeF Beausite gravelly sandy loam, 40 to 75 percent slopes--------- 12 VIIe-1 78 3d1
Bh Bellin�am silt loam------------------------------------------ 12 �IIw-2 76 3w2
Br Briscot silt loam--------------------------------------------- 13 IIw-2 75 3w1
Bu Buckley silt loam--------------------------------------------- 13 IIIw-2 76 4w1
ib Coastal beaches----------------------------------------------- 14 VIIIw-1 78 ---
Ea Earlmont silt loam-------------------------------------------- 14 IIw-2 75 3w2
Ed Edgewick fine sandy loam-------------------------------------- 15 IIIw-1 75 201
Ev6 Everett gravelly sandy loam, 0 to S percent slopes------------ 15 IVs-1 77 3f3
EvC Everett gravelly sandy loam, 5 to 15 percent slopes----------- 16 VIs-1 78 3f3
EvD Everett gravelly sandy loam, 15 to 30 percent slopes---------- 16 VIe-1 77 3f2
� BwC 'Everett-Aldeiwood gravelly sandy loams, 6 to 15 percent
slopeS----------------------------------------------------- lb VIs-1 78 3f3
InA Indianola loamy fine sand, 0 to 4 percent slapes-------------- 17 IVs-2 77 4s3
InC Indianola loamy fine sand, 4 to 15 percent slopes------------- 16 IVs-2 77 4s3
' InD Indianala loamy fine sand, 15 to 30 percent slopes------------ 17 VIe-1 76 4s2
KpB Kitsap silt loam, 2 to 8 percent slopes----------------------- 17 IIIe-1 75 2d2
KpC Kitsap silt loam, 8 to 15 percent slopes---------------------- 18. IVe-1 76 �d2
KpB Kitsap silt loam, 15 to 30 percent slopes--------------------- 18 VIe-2 78 2d1
KsC Klaus gravelly loamy sand, 6 to 15 percent slopes------------- 18 VIs-1 78 3f1
Ma Mixed alluvial land------------------------------------------- 18 VIw-2 78 201
NeC Neilton very gravelly loamy sand, 2 to 15 percent slopes------ 19 VIs-1 78 3f3
Ng Newberg silt loam--------------------------------------------- 19 IIw-1 74 201
--
TTscc Nooksack silt loam-------------------------------------------- 20 IIw-1 74 201
No Nornia sandy loam---------------------------------------------- 20 IIIw-3 76 3w2
Or Orcas peat-------------------------------------------------�-- 21 VIIIw-1 78 ---
Os Oridia silt loaer--------------------------------------------- 21 IIw-2 75 3w1
OvC Ovall gravelly loam, 0 to 15 percent slopes------------------- 22 IVe-2 76 3d1
OvD Ovall gravelly loam, 15 to 25 percent slopes------------------ 23 VIe-2 78 3d1
OvF Ovall gravelly loam, 40 to 75 percent slopes------------------ 23 YIIe-1 78 3d1
Pc Pilchuck loamy fine sand-------------------------------------- 23 YIw-1 78 2s1
Pk Pilohuck fine sandy loam-------------------------------------- 23 IVw-1 76 2s1
Pu Puget silty clay loam----------------------------------------- 24 IIIw-2 76 3w2
'"i�y Puyallup fine sandy loam-------------------------------------- 24 IIw-1 74 201
RaC Ragnar fine sandy loam, 6 to 15 percent slopes---------------- 25 IVe-3 77 4s1
� RaD Ragnar fine sandy loam, 15 to 25 percent slopes--------------- 26 VIe-2 78 4s1
RdC Ragnar-Indianola association, sloping: 1/---------------------- 26 -------- -- ---
Ragnar soi2--------------------------------------------- -- IVe-3 77 4s1
Indianola soil------------------------------------=------ -- IVs-2 77 4s3
RdE Ra�ar-Indianola association, moderately steep: 1/------------ 2b -------- -- ---
Ragnar soil--------------------------------------------- -- VIe-2 78 4s1
Indianola soil------------------------------------------- -- VIe-1 77 4s2
T1. S. GOVS(iNM6NT PRIN1'IIiG OFFICE:1973 O-46B-Y66
�
GUIDE TO MAPPING UNITS--Continued �
Woodland
Described Capability unit grouQ I
Map � on
'�'�•�mbol Mapping �mit page Symbol Page Symbol
� Renton silt loam-------------------------------------------- 26 IIIw-1 75 3w1
1�1► Riveiwash--------------------------------------------------- 27 VIIIw-1 78 --- �
Sa Salal silt loam--------------------------------------------- 27 IIw-1 74 201
Sh Sammamish silt loam----------------------------------------- 27 IIw-2 75 3w1
Sk Seattle muck----------------------------------------='------- 28 IIw-3 75 ---
Sm Shalcar muck------------------------------------------------ 29 IIw-3 75 ---
Sn Si silt loam------------------------------------------------ 29 IIw-1 74 201
So Snohomish silt loam----------------------------------------- 30 IIw-2 75 3w2
Sr Snohomish silt loam, thick surface variant------------------ 31 IIw-2 75 3w2
Su Sultan silt loam-------------------------------------------- 31 IIw-1 74 3w1
Tu 7tikwila muck----------------------------------------------�- 32 IIw-3 75 ---
Ur Ilrban land-------------------=------------------------------ 33 -------- -- ---
Wo F9oodinville silt loam-------------------------------'-------- 33 IIw-2 75 3w2
2/ '
7he composition of these �its is more variable than that of the others in the Area, but it has been
cantrolled well enough to interpret for the expected use of the soils.
,-�
2.0 CONDITIONS AND REQUIREMENTS
SUMMARY
-� 2.0 CONDITIONS AND REQUIREMENTS SUMMARY
Analysis of the Eight Core Requirements:
Core Requirement No. 1: Discharge at Natural Localion.
Response: This project is proposing to discharge to the same seasonal stream it currently dces
under existing conditions. However, runoff may be modified somewhat with the development of
this site splitting flows somewhat between the two streams that drain through the project site in a
different fashion than it currently dces under existing conditions. The site will still drain to the
same stream downstream though.
Core Requirement No. 2: Off-Site Analysis.
Response: This project should not have to provide an off-site analysis due to the fact that Level 3
Flow Control is required, which is the most severe flow control required for projects that
contribute to areas prone to flooding. The off-site analysis would provide no more determination
of required flow control above that; however, an off-site analysis is provided herewith with this
project in Section 3.0 Off-Site Analysis of this Technical Information RepoR for a review.
Core Requirement No. 3: Flow Control.
Response: In accordance with the requirements of the City of Renton and King County, Level 3
Flow Control is proposed for this development and will be insti[uted with the final construction of
the plat.
,
Core Requirement No. 4: Conveyance System.
Response: In accordance with the 1998 King County Surface Water Design Manual and since
�, the project site consists of over 10 acres of new development, an SCS-based hydrograph
� methodology of computing runoff to each catch basin may be instituted in the design of the
conveyance system draining to the wet/detention pond located in the central portion of the project
site. In addition, the culvert draining underneath 148th Avenue S.E. that contributes runoff to the
� northeast portion of the project site will be analyzed based on the Santa Barbaza Urban
Hydrograph(SBLJH)methodology,which is an SCS-based methodoiogy of computing runoff.
Core Requirement No. S: Erosion and Sediment Control.
Response: This project will prevent the transport of sediment to streams, wetlands, lakes,
drainage system, and adjacent properties through the institution of carrying limits, cover
measures, perimeter protection, traffic area stabilization, sediment retentioo, and surface water
controls, all in accordance with Appendix D of the 1998 King County Surface Water Design
Manual as adopted by the City of Renton.
� Core Requirement No. 6: Maintenance of Operations.
Response: The drainage facilities on this propeRy will be maintained by the City of Renton and
any maintenance and operations requirements of the City will be instituted into the Final
Technical Information Report prepared for this development.
1 l 189.00l.doc(JPl/dm/tep]
il
I
- . Core Requirement No. 7: Financial Guarantees and Liabiliry.
Response: Any financial guarantees and liability required by the City of Renton will be followed
and maintained by this project prior to construction.
Core Requirement No. 8: Water Qualiry.
Response: The City of Renton and King County have already indicated that Basic Water Quality
is the required water quality methodology for this project, which is being provided in the form of
a wet pond located below the live storage in the weddetention pond in the north central portion of
. the project.
Analysis of the Five Special Requirements:
Special Requirement No. 1: Other Adopted Area-Specific Requirements.
Response: This project dces not lie within other adopted area-specific requirement areas to the
best of our knowledge.
Special Requirement No. 2: Floodplain/Floodway Delinearion.
Response: In accordance with the requirement,the floodplain will be designated for the 100-year
storm on the project plat.
Special Requirement No. 3: Flood Protection Facilities.
Response: There is no flood protection facility existing nor is one proposed for this project site
� that will have to be designed to conform to the FEMA regulations.
Special Requirement No. 4: Source Controls.
Response: Source controls will be provided with this development in accordance with the 1998
King County Stormwater Pollution Control Manual and King County Code Section 9.12 for a
multifamily development.
j Special Requirement No. 5: Oil Control.
Response: This project dces not meet the requirements of a high-use site nor is it a
redevelopment project;therefore,the requirement of oil control is not required for this site.
I
The following pages of the report delineate the Stoneridge Plat final plat requirements as dictated
by the City of Renton in a letter to Cudis G. Schuster dated July 24, 2003.
�
i,
11189.00l.doc[JPJldm/tep]
. ,, _ _ � � � v r�
;; ,; CITY OF REN
..1� Planning/Building/PublicWorks Department
lesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator
, �SW'S
July 24, 2003 � �
�
Curtis G. Schuster
KBS Development Corp.
12320 NE 8'�Street
Suite 100
Bellevue, WA 98005
Subject: Stone Ridge Plat - Final Ptat Requirements
Dear Mr. Schuster,
This letter is to explain the City of Renton's requirements for compliance with the conditions imposed
by the King County Hearing Examiner on the approval of the preliminary plat for the Stone Ridge
Plat. Upon annexation by the City of Renton, the final plat must be approved by Renton. It is our
intent to require compliance with the conditions of the preliminary plat where practical, and to require
conformance with the intent of conditions that cannot be met exactly as worded. The following is a
list of the King County Hearing Examiner condilions of the preliminary plat approval, along with the
Renton requirement for compliance with each condition for final plat approval.
1. Compliance with a13 platting provisions of Title I9 of the King County Code.
Renton Requirement: The applicant shall complete the plat required street, utility and drainage
improvements per the appro�ed preliminary p}at. The applicant shall comply with the requirements of
the Renton Subdivision Regulations for final plat approval procedures_
2. A11 persons having an ownership interest in the subject property shall sign on the face of the final
plat a dedication that inctudes the lang�age set forth in King County Council Motion No. 5952.
Renton Re uirement: The a ticant shall com I with the re uirements of the Renton Subdivision
rr � Y '
Regulations for final plat approval procedures.
I3. The plat shall comply with the base density and minimum density of the R-4 zone classification.
All lots shall meet the minimum dimensional requirements of the R4 zone classification or shall
be generally as shown on the face of[he approved pre}iminary plat, except that minor revisions to
the plat that do not result in substantial changes may be approved at the discretion of the
Department of Development and Environmental Services_ Any changes to the plat design which
are mandated by the conditions which follow shall also be permitted.
Renton Requirement: The applicant shall comply with the condition as written for density and
dimension requirements. The applicant shall provide a copy of the R-4 zone dimensional
requirements with the final plat application. Minor revisions to the plat that do not result in
substantial changes may,be approved at the discretion of the Development Services Division.
4_ The applicant must obtain final approval from the King County Health Department_ Existing
septic tanks on the site must be properly abandoned prior to final Health Department approval.
I055 South Grady Way-Renton,Wasl�ington 98055 R E N T O N �
�Tfvs oaoer co�tains SO%recvcled ma�erial.30%oos�consi urwr A H E A D O F T H E C U R V E
, �• . -
Public Works. This plan shall be submitted with the application of any building permit. All
� connections of the drains mvst be conswcted and approved prior to the final building
inspection approval. For those lo[s that are designated for individual lo[ infiltration systems,
the systems shall be constructed at the time of the building permit and shall comply with
plans on file."
d) Core Requirement No. l: Discharge at the Natural Location
The applicant has received approval for a requested diversion of surface water flows within
the project, under Drainage Adjustment LOOV0062. The conditions of approval of this
drainage adjustment shall be satisfied dvring the design and review of the project engineering
plans.
e) Core Requirement No. 3: Runoff Control.
To mitigale for downstream capacity issues, the applicant shall provide Level Three flow
control, as outlined in the KCSWDM. The size of the proposed drainage tract may have to
increase to accommodate the re i�e�ten�`=� e volumes and water quality facilities.
The stormwater facility sh�fi���o�ated�.,in a separat act and dedicated to King Connty,
unless portions of the dr���age traci�are u�d for rec�t3ired reation space in accordance with
x �:_.._ .. .
KCC21 A_14.180. _�� "_�;
;;- , ;�` ;�
As specified in SecE�'on��l�,l;bf the K ph�, roof��a�n.�stc3rr�water shall be infiltrated or
dispersed within t � lot area if the*�S n�da�o�;are vorable�` Infiltration of storm water
�:
_.\ for both lot areas a�d r dw€ay � nts �s re .mme ded if ternvned to be feasible. A
geotechnical repot't s�l }be' � -'�'��a��ate s�il�n .tions, seasonal depth to
groundwater and other desig� requuernents�a�``�autlined in�the KC��VDM.
� ,z -.
� Core Requirement No. 4; Conveyance Systems.
As part of the applicant's sutimittal for engineering plan.review, upstream flows shall be
analyzed to determine whether there is-adequate conveya�i�e capacity in the existing 18-inch
CMP that crosses northwest und€r l48`� Avenue SE into Tract C in ihe eastern portion of the
site.
g) Core Requirements No. 8: Water Quality.
The project is required to meet the basic water quality requirements of the 1998 KCSWDM.
h) Special Requirements No. 2: Floodplain Delineation.
Because a wetland and two stream are located on the property, a floodplain analysis shall be
performed. The 100-year floodplain bonndaries shall be shown on the final engineering plans
and recorded plat.
Renton Requirement: The applicant shall comply with the condition as written. The note on the
final plat shall refer to the Renton PlanningBuilding/Public Works Department instead of the King
County agencies_ Please note that the City of Renton does no[ assurne maintenance responsibilities
for the drainage facilities for new subdivisions. The homeowners' association will be responsible for
ihe ownership and maintenance of these facilities.
stone ridgc final plat lettecdoc\
8. The proposed subdivision shall comply with the I493 King County Road Standards (KCRS): `
including the following requuements: . N�5 ��► Q�� / ,N o� �Z �
C`
1I(���; oad A shall be improved as an urban nei hborhood ollector between I48`� Avenue SE and �✓
l\=�Road and as an urban subcollector west of Road C_ e esi n of the sub'ect t
�,�, g } pla shall be
modified so that the lots in the plai will not take individual direct access from the
neighborhood collector portion of Road A. This modification to the design may result in the
relocation of the proposed alignment of Road A.
'�b) Roads C and D, at a minimum, shall be designed to the urban, subaccess street standard.
� c ract I all be dedicated as public road right-of-way and improved to the urban, subaccess
� street standard.
d) 148`� Avenue SE along the frontage of the site shall be improved to the urban collector arterial
standard, inclvding provision for a bicycle lane.
e)-'ft3�E�I�1=§hall be improved as a�,���+�€�i'�'��,�[eway and shall serve a maximum of two
lots. Lots 40 and 4 2 shall h��_ �liv� ownership� the tract and be responsible for its
maintenance_ A note indicatih��he�nership �"f e act and the parties which are
�.<»_,r „
responsible for its ma}n�ena�e�, sh�s appear �n .�lie fi, 1 t and engineering plans. As
specified in KCRS 3,�1C, imp�ovements to the trat�.t s � = ude an 18-foot wide paved
surface and a min�murr�.s�rae�G wi�th fe ,�, Dra��ge`"����ol shal] include a curb or
,���_ _ �
thickened ed e on o�ie side o�the�aad�ua , ,�_; „;�
� , _ . ? � �
� Tracts D F and L s T��e desig�ed anc�im��� ` s private=�es�tracts and shall each serve
no more than six lots. The lots se�ved �y',eac�h ct shall h�ve undi"��ided ownership of the tract
and be responsible for its maintena�ce �A note`' �r'catir�g;ihe ow�ership of each tract and the
parties responsible for each tra�t's maintenance shall ap�ar-�n�t�ie final plat and engineering
plans. ; >�'
� Improvements shall conforrn to KCRS��:03 for urban"mit�o�;�f oads, which includes a 22-
. foot wide paved driving surface- Thc; centerlineS of.;F� ts D and F hall be aligned with the
centerlines of Roads D and C, respect�vel�. T�ie ininimum tract width shall be 26 feet with a
maximum length of 150 feet.
7 g) The «�idth Tract N ay be reduced to 20 feet. No improvements[o[his tract are required.
,
h) A temporary tumaround shall be provided at the terminus of Road A. If this turnaround is
]ocated off-site, easements shall be deeded to King County to allow for the temporary public
use of the turnaround until Road A is extended further north as a public road.
i) SUeet illumination shali be provided at the intersection of Road A with 148�' Avenue SE, a
colleclor arterial, in accordance with KCRS 5.03.
'f �),/ 148`� Avenue SE along the frontage of the siEe may require a design for a bus zone and turn
�...y outs. As specified in KCRS 2.16, [he applicant's design engineer shall contact METRO and
the Issaquah School District to determine if a bus zone is needed, and if so the specific design
reqniremen[s.
k) Modification to the above road conditions may be considered by King County, pursuant to the
variance procedures in KCRS 1.08.
stone ridge fioal plat letter.doc\
� Renton Requirement: The applicant shall comply with the condition as �vritten. All construction
and upgrading of public and private roads shall be done in. accordance with City of Renton
requirements, with the excepiion of street pavement widths for the new stree[s The n w��t*PPr� ran
be cc�nttn �te�1 wi h the pavement widihs approved with the preliminary plat The pavement thickness
must be a minimum of 4" of asphalt over 6" of crushed rock. However rolled curb woutd not be
considered acceptable; therefore, vertical curbs would be required. Any streets ❑arrower than 32 feet
in width must be posted for no parking along one side of the street_ Any street narrower t an 28 feet
must be posted for no parking along both sides of the street. All scceets within the plat will be subject
to naming specified by the Development Services Division. Street lighting must be provided to meet
the minimum street lighting levels established in Renton Code. The street lights along the arterial
streets must be constructed per City of Renton standards, and tumed over to the City for ownership
and maintenance. The street lights on the residential streets can be constructed as a City system,or as
a Puget Sovnd Energy-(PSE) system_ The mainEenance and electrical bills to PSE would be the
responsibility of the homeowners' association for a PSE system
9_ Boundary Line Adjustment LOOL0089 shall be completed and put into effect ihrough the
recording of deeds,prior to the approval of h��neering plans for the subject plat.
�'�` �'�.
Renton Requirement: The applic���co�y with the co ' ion as written.
�{- � �
a' f'
10. All utilities within propo�i�rig�„of;way must lie"i�c�ude;�t wii�n a franchise approved by the
King County Council,pr�r,to fiha�rplat recording. , ,���� '�
_ g,
� �.:.,, !` �s, ' � �
Renton Requirement: A�� util t ,� wi rn p;ap ��d' ��i-of�vay must be approved by Renton
� � -
Development Services��-Di iof� ort ts?.- 3in il `�piat_'_,ordin�. lan�for atl utilities, including
electric, gas, telephon�an�a�e�s[ be;app�o - y the L�e�p nt Services Division prior
to construction,and the_consW�tio�#a�¢ih�uti1�L��must be approve�d by a Renton inspector.
l l. The applicant or subsei�uent own�r shall comply with I�ipg Co.ounty Code 14.75, Mitigation
Payment System (MPS), t3y pa�ing:ili��equired I�4PS fee a�ct admul�stration fee as deternuned by
the applicable fee ordinance: Tt�'`appiicant has the oplion to ei��tfier: (1) pay the MPS fee at final
plat recording, or(2) pay the NfPS f�e at the-.tiine of bui�ilin�pernut issuance. If the first option is
chosen, the fee paid shall be the~fe�-i�..effect at [he tiu�`of plat application and a note shall be
`"rt;;,-. .�. �
placed on the face of the plat that reaa'�; Alt �ees required by King County Code 14.75,
i Mitigation Payment System (MPS), have been paid." If the second option is chosen, the fee paid
shall be the amount in effect as of the date of building permit application_
Renton Requirement: The applicant shall pay the City of Renton the standard transportation
mitigation fee of$75 per net new average daily trip, prior to recording of ihe finat plat, as required by
City of Renton concurrency policies. The transportation mitigation fee, based on 44 new single
family lots shall be$31,581.00.
12. Lots wi[hin this subdivision are subject to KCC 21A.43 and Ordinance 14009 which imposed ,
impact fees to fnnd school system improvements needed to serve new development. As a ',
condition of final approval, fifty percent of the impact fees due for the plat shall be assessed and I
collected immediately prior to recording, using the fee schedules in effect when the plat receives
final approval. The balance of the assessed fee shall be allocated evenly to the dwelling units in
the plat and shall be collected prior to building permit issuance.
I
slone ridge final plat ktter.docl
,_� Renton Requirement: The applicant shall pay the City of Renton the standard Issaquah School
Impact fee of $2,937_00 per net new residence, prior to the issuance of building permits, as required
by City of Renton policies.
13. There shall be no vehicular access to 148'� Avenue SE from those lots in the subject plat which
abut this street. There shall be no direct vehicular access to the portion of Road A east of Road C
from the lots which abut this portion of this street. A note to t is e ec s a appear on the final
pla[and engineering ptans.
Renton Requirement: The applicant shall compIy with the condition as written.
�4. Twelve feet of additional right-of-way for 148'" Avenue SE shall be dedicated along the east
property line, allowing for 42 feet of right-of-way from centerline.
Renton Requirement: The applicant shall comply with the condition as written.
I5. The following note shall be shown on the final engineering plan and recorded plat:
a��=�
REST ����SENSTT A TRACTS
,�D E S1T - AREAS� ' RS
-- ;�, _��._rt .. _ �
Dedication of a sensit�ve area t�a�t/sensi[ive area an�buf�o eys to the public a beneficial
interest in the tand��wi�i�,�ttie t�ract/s ' 'v __ .rea ait� b�f�r�.'' This interest includes the
preservation of na[ive vegeFat�oci��r `�that.�nefit t e public health, safety and
. welfare, including�ont ol of s a � ,� e�r,�i"i'd' sion, ma�e nce of slope stability, and
;
protection of plant�an ' irna! � ,a.� ��- s �
2 f{ �� --� �
� 3. �t�,� ��" �� ' , � �
The sensitive area tract/sensitivea��a� buf�`e�;irnpos�s:opon a��l present and future owners
and occupiers of the7and��ubject to the tracUsensitiv�`a�re�-hand.�ll trees and other vegetation
within the tract/sensitive ar�a and_buffer. The vegetat on wit��in the tract/sensitive area and
buffer may not be cut, prun�, covered by fll, Femo�e�,�ir damaged without approval in
writing from the King County Depar'�inent� of De�veloprit�ent Environmen[al Services or its
successor agency,unless othervrisep�ovided by�law. . ''�
<;.
The common boundary between the tracdsensitive area and bvffer and the area of
developrnent activity must be marked or otherwise flagged to the satisfaction of King Co�nty
prior to any clearing, grading, building construction or other development activity on a lot
subjec! to the sensitive area tract/sensitive area and boffer. the required marking or flagging
shall remain in place until all development proposal activities in the vicinity of the sensitive
area are completed_
No building foundations are altowed beyond the required IS-foot building setback line, unless
otherwise provided by law.
Renton Requirement: The a�plicant shall comply with the condition as written. Reference should
be to the Ren[on Development Services Division in place of DDES and King County.
t6. The proposed subdivision shall comply with the sensitive area requirements as outlined in KCC
21A.24. Permanent s�rvey marking and signs as specified in KCC 21.A24.16Q shall also be
addressed prior to finai plat approval. Temporary marking of sensitive areas and their buffers
(e.g. with bright orange construction fencing) shall be placed on the site and shall remain in place
until all conswction activities aze completed.
stone ridge final plat letter.doc\
Renton Requirement: The applicant shall comply with the condition as written.
17. Preliminary plat review has identified the following issues which apply to this project. All other
applicable requirements for sensitive areas shall also be addressed by the applicant.
a) Wetland B (in Tract B) shalt have a 25-foot native growth buffer, as measured from the
wetland edge. Wetland A(extending from the north boundary of the site to the north boundary of
the Road A right-of-way) shall have a 50-foot native growth buffer, as measured from the wetiand
edge, to the extent such buffers falls within the subject property_ These wetlands and their
required buffers shall be placed in Sensitive Area Tracts in the subject plat.
b) The streams crossing Tracts A and C shall have a 50-foot buffer measured from each side of
the stream charu2et, to the extent such buffers fall within the subject plat. These buffers are
not required where proposed road right-of-way in the subject plat crosses a stream channel.
c) A 15-foot building setback line (BSBL) shall be established on the final plat from the edge of
Ehe sensitive areas tracts_ The BSBL sha11 be delineated on all affected lots aad trac[s_
�,��:��.'�
d) Buffer averaging may be al w�dg;�si�rsu�pt'to KCC 2 4320 and 21A24.360,provided the
total amount of buffer ,a�is nc��t red�ed and b�t�'er�r urce protection is achieved, as
determined by the Ki ` Cour�y Land`Use Se`r'v�ce�`Div�ion -LUSD). If buffer averaging is
proposed, a buffer a :"raging p1�n shall be submitte�b,y;�p��cant for review and approval
by LUSD. LUSD �ay�;�eqtiire the sub t�� xof a bout�d dt` �th�� financial guarantee by the
applicant to assure��►e instal#atiop and�����o� .qwre� planti�' s for a five year period_
:e..�,...,.
e) The stream and w�tla�`c�ss�`�y',��ac�i; - �rmitted.-�fis�oad crossing shall comply
with the provisions�of KCC?1A�24:33G}N arfc�lA.24.37�G. The- mount of wetland area and
stream affected by the road.,crossmg s�all be rrt��mized�to.the e�ent feasible through the use
of retaining scructuces, if'determined appropria[e b�+:LU�D. =1A mitigation plan shall be
submitted by the applicant:foT LUSD approval, to addressed inipacts from the wetland/stream
crossing. LUSD may re�uire,the submittal of a bonc� or:�ther financial guarantee by the
applicant to assure the installation and�survival of reqUi"r�d`plantings for a five-year period.
_ f�j The stormwater outfall facility for �Ire�st�irriiwater ponds in Tract H shall not be placed in
wetland or steam buffers, unless deternuned necessary by LUSD, pursuant,to provisions of
KCC 21A24.330H4.
g) The applicant shatl delineate all erosion hazard areas on the site on ihe final engineering
plans. (Erosion hazard areas are defined in KCC 21A.06_415.) The delineation of such areas
shall be approved by an LUSD senior geologist. The req�irements found in KCC 21A.24.220
concerning erosion hazard areas shall be met, including seasonal restrictions on clearing
activities.
Renton Requirement: The applicant shall comply with the condition as written. Reference should
be to the Renton Developrr�nt Services Division in place of DDES,LUSD and King County.
18. Suitable on-site reereation space shall be provided consistent with the requirements of KCC
21A.14.180 and KCC 21A.14_190 (i.e. sports courts, children's play equipment, picnic tables,
benches, etc.}. The amount of recreation area shall equal or exceed 39Q square feet per lot, as
required by KCC 21A.14.180A.
stone ridge final plat letter.docl
,_.� a) An overall conceptual recreation space plan shall be submitted for review and approval by
LUSD, with the submittal of the engineering plans. The conceptual recreation plan shall
include location, area calculations, dunensions and generai improvements_ The approved
eng-ineering plans shalt be consisteot with che conceptual plan_
b) A detailed recreaEion space plan (i.e. tandscape specifications, equipment specifications, etc.)
consistent with the overall conceptual plan noted in Item "a" above, shall be submitted for
review and approval by LUSD and King County Parks, prior to or concunently with the
submittal of the final plat documents.
c) A performance bond for recreation space improvements to assure their ins[allation and the
survival of required planting for a three-year period, shall be posted prior to recording of the
plat.
Renton Requirement: The applicant shaIl comply with the condition as written. The applicant shall
obtain approval of the Development Services Division of the detailed recreational facilities plan
before fina[plat approval will be granted.
�4�t,
���"'�'�� -r
19. A homeowners' association or�#�er- 'o"�`ka 'organizat� all be established to the satisfaction
of LUSD which provides for�<i�ie owne ship�d contin��`�-��nance of the recreation and open
�_. �
space areas. -�`�" - �s
. _ . ' ���`�. �
Renton Re4uirement: ��h���i�ner{; assos���i shall be e`�tdb hed to the satisfaction of
ta�--
Development Services Dx�ision in or�e� Ca�=ma�ita� :the �' ecreatio facilities and associated
� landscaping, and sensitiv�are s. .T �a ne'r��' a iatio��n s all Iso be responsible for the
maintenance of the drainag;e fa�itres C �- - lat. 3 �' �
t :�
,.�*�,u Y� `'�''�,-�: '�
20. Street trees shall be �ncluded in` Ihe•d�si��'of all�ad imp"rovemen�s within and adjacent to the
subject plat_ The street tree landscaping design shal4 compLy..wi�h�ection 5.03 of the KCRS and
[he foltowing:
a) Trees shall be planted at a rate o�one tree for ev�ery A�feet of frontage. Spacing may be
modified to accommodate sigh�distarice requirerne�f's for driveways and intersections.
..;�,,,_. .,
b) Trees shall be located within the street right-of-way and planted in accordance with
Drawing No. 5-009 of the 1993 King County Road Standards, onless LUSD determines
that trees should not be located in the street right-of-way.
c) If LUSD determines that the required street should not be located within the right-of-way,
they shall be located no more than 20 feet from the street right-of-way line.
d) The trees shall be owned and maintained by the abutting lot owners or the homeowners'
association or other workable organization unless the County has adopted a maintenance
program. This shall be noted on the face of the fina! recorded plat.
e) The species of trees shall be approved by LUSD if located within the right-of-way, and
shall not include poplar, cottonwood, soft maples, gum, any fruit-bearing trees, or any
other tree or shrub whose roots are likely to obsirucl sanitary or storm sewers, or that is not
compatible with overhead utility lines.
� The applicant shall submit a street tree plan and bond quantity sheet for review and
approval by LUSD prior to engineering plan approval.
stone ridge fina!plat letter.doc\
� . _ , . .
,--� g) The applicant shall contact Metro Service Planning at (206) 684-1622 to determine if
148th Avenue SE is on a bus route. If 148`�Avenue SE is a bus route, the street tree plan
shall also be reviewed by Metro.
h) The street trees must be installed and inspected, or a performance bond posted prior to
recording of the plat. If a performance bond is posted, the street trees must be installed
and inspected within one year of recording of the plat_ At [he time of inspection, if the
trees are found to be installed per the approved plan, a maintenance bond must be
submitted or the performance bond replaced with a maintenance bond, and held for one
year. After one year, the maintena�ce bond may be released after DDES has completed a
second inspection and determined that the trees have been kept healthy and thriving.
A $538 landscape inspection fee shaIl also be submitted prior to plai recording. The
inspection fee is subject to change based on the current County fees.
Renton Requirement: The applicant shall comply with the condition as written. Reference should
be to the Renton Development Services Division in place of DDES. There is no separate landscape
inspection fee within the City of Renton . _�street tr�e�'�s�l be included as part of the construction
permit, with appropriate plans,fees a��ct� s_ ��
�,' �b,
'�. '� '�''� "
21) Documentation shall be s �imitC��fro�i'a`licensed"lan� suN'eyoc�o demonstrate that all required
�_ ,�-; i ..,�.
zoning setbacks are met,� any_e��istmg residences or outb��#d�"ng hat ar.e retained on the site.
�' � - �� �
� � � � � - r:
Renton Requiremenf: T,:e appl�cant shall ����iv'�t;°•,he c�Ondition as written. The foltowing
�-
� '' conditions have been es�blis ed;und�� S �,�'a�hor.€ as �ec ssa to mitigate the adverse
� �� �.,� "�' '`- �='
environmental impacts of�his velopmen�� '��le applieant shall�de't�ns,_ ate compliance with these
items prior to final plat app�oval_ �,.;.. � '
,
> �;
22) Eastbound and westbound leff'tu�n,lanes shall be construct��l.by th� applicant on SR 900, at the
SR 9(}0/I48`� Avenue SE'cnter`section. The design for th��int�rs�€tion sha11 be approved by the
Washington Sta[e Department of Tran�po.r�ation (W�DOT}_ At�� minimum, the existing entering
sight distance for the north �nd south legs of the imersection must be maintained. AII
conswction work associated wiihYtb�lane cbnstructionest'iall be completed between April 151 and
September 30`�'. The seasonal restriction `s�iaii"�`ppear on the fina!engineering plans.
Renton Requirement: The applicant shail comply with[he condition as written.
23)The east leg of the SR 900/148`" Avenue SE intersection shall be modified, as necessary, so t6a[
the s[opping sight distance reqvirements of WSDOT are met on the east leg of the intersection_
(Note that per the applicant's engineer, this can be achieved by the clearing of vegetation along
SR 900.) In addition, the applicant shall clear ��egetation within the right-of-way along SR 900,
east of 148�' Avenue SE, to maximize the entering sight disiance for the north and south legs of
the intersection.
Rentnn R�quirement: The applicant shall comply with the condition as written.
24) A tree containing a red-tailed hawic nest is located on a parcel adjoining the north boundary of the
site. Tract K in the subject plai, as depicted on the preliminary plat map received 10/900(sheet 1
of 3), lies south of Ihis nest tree. This tract shall be labeled as a native growth open space tract on
the final plat and engineering plans. This tract shall remain as undeveloped open space unless it
is documented by the property owner,to the satisfaction of King County,that the nest is no longer
used by red-cailed hawks, (i.e. abandoned for at least five years). If it is demonstrated that the
stone ridge final plat letter.docl
� . -.
.
_ nest has been abandoned, the Uact may be developed through the approval of a future plat
appIication, short plat application, or plat alteration application. If Track K is subdivided, the
number of iots created in ttiis tract shall be consistent with the zoning and overall permitted
density for the entire plat of Stone Ridge. A note implementing the preceding requirements shall
appear on the final plat and engineering plans_
Renton Requirement: The applicant shall comply with the condition as written.
25) Accept as provided below, outdoor construction activities on the subject property on any area
lying within a radius of 650 feet from the nest shall be prohibited from February 1 through July
3I. For a specific devetopment pernuf, this seasonal limitation may be waived by King County if
it can be shown to the satisfaction of the Couniy that the nest is not being used by hawks_ Any
waiver will last for one nesting season and must be renewed for subseq�ent nesting seasons. For
any season in which nesting activity occurs, the July 31 seasonal limitation ternunation date may
be adjusted by the County, based on deternunation that the hatchlings have already fledged and
the period of disturbance risk has passed. Any waiver or shortening of the seasonal limitation
shall conform with Condition S below (#26 ' is report). A note implementing the preceding
requirement shall appear on the fin -p� e�ginee ' lans_
.����-�
Renton Requirement: The app ' a�t sha�om��y�with the��ondit �as written.
.. ,�i� c' ,..,. ' . ...._:..�. ...T?
26) For any nesting season �;whic;h�t:�ie applicant proposed�a���'ver�r shortening of the seasonal
a
limitation as provided c�djt�iin 4:abo�e�2����, is re`�ort�;��•p�n formulated by a qualified
wildlife biologist shal��"be subr�'iitted'�t�D�ES�"no ta - than�Februar�1, describing protocols for
. '� monitoring the nest fa�ha.�_ k. use ancl if ne�C u�ag� i,� �ng p�ace�fo�dentification whether eggs
have been Iaid and ha�he�and wtien ftcd��n€�'Liis ` cuned.�A pro osed shortening or waiver
of the seasonal limitati�on shall bc b��e�l Q�'the'eno�►itoring�ata and :r� subject to the approval of
DDES. A note imple�nentiqg the F}"rec�'�'�g re��men�� �shall appear on the final plat and
engineering plans. _
Renton Requirement: The applicanl sha{1 c,ompi'j+ with t�e coi�di�abn as written. Reference should
be to the Renton Development Servic,es Divisio�_in place of�D��.
27) A six-foot high cedar fence shall be cons�fiict�i��on the south boundary of Tract K, adjacent to
Lots 26 — 34 and Tracts H and N. The purpose of this fence is to limit access to Tract K by the
adjoining residence and to lessen impacts on nesting red-tailed hawks.
Renton Requirement: The applicant shall comply with the condition as written.
28)To mitigate the significant adverse impact the plat of Stone Ridge has on the intersection of SR
900/148"' Avenue SE, the applicant shall either indi�idually or in conjunction with other
developments in the area, install a [raffic signal. The signal design shall be reviewed and
approved by WSDOT and an appropriate financial guarantee shall be posted prior to engineering
, plan approval.
Renton Requirement: The applicant shall comply with the condition as written.
29) All grading work in designated erosion hazard areas on the site shall be completed consisient with
the seasonal restrictions appearing in KCC 16.82.150D (see condition 17g above.) A note to this
effect shalI appear on the engineering plans.
Renton Requirement: The appiicant shall comply with ihe condition as written.
stonc ridge final plat letter.doc\
�� --•,nti.� �
,-,, Constrnction plans for the grading, drainage, sewer and street improvements for the preliminary plat
are requued and would be reviewed by the City of Renton's Development Services Division. A
separate plan submittal for the water mains will be required from Water District 90. Plan submittais
aFe also required for all franchise work, including electrical, gas, phone and cable. All work for the
prelicninary plat will require a permit from the City, and wilt be inspected by a Renton inspector.
Permit fees will be per City of Renton Code, and include System Development Charges for sewer and
drainage for the new plat. A preconswction meeting will be required before work can begin on the
project.
As-built drawings, cost data inventory sheets, and bills-of-sale for all the public improvements must
be submitted to the City for review and approval prior to recording of the finaI ptat. The plat map
itself must also be reviewed and approved by the City prior to recording. The plat map can be
submitEed for preliminary review at any time to expedite the fnal plat approval process. Submittal of
an itemized list expiaining how each of the Hearing Examiner conditions have been met will also help
expedite the final plat approval process.
There are severai people with the City who can hel ou with this process. Juliana Sitthidet (425-
430-7278) is the City project manage ,<�' _ e .ina���view of this project, and can address
questions related to the public wor i'sst�,�s'for�he plat. Dan`�P`�mpson (206-999-1828) will be the
public works inspector for this�ttol�ct. Q��estio�#s,on the ��'p(i�aE'��n requirements for the final plat
can best be answered by Julian�pr Ja�Qn]ordan {425-4�0-7�L19�Th�inal plat map will be reviewed
by Bob MacOnie (425-430-7�i6�9). .�,; �` '�:
t �
� ,,
I hope this let[er answers ,"our questions.�tn tS reqt��r��nts 'f�or appr�`� al of the final plat for the
` Slone Ridge Plat. We look�fory�ard;to e�c���n� t�.w� ".yth yo�to a�completion of this project. I
:Fi�. �.�._.��� �5r����� ; � e
., �r'-. ;.s .
Sincerely, �,�, ,�•'
��� ; `
��
Jennifer Henning
Principal Planner
Development Services Division �
cc: Neil Watts
Juliana Sitthidet
JasonJordan
Kayren Kittrick
Bob MacOnie
stone ridge final plat letter.docl
� '�
3.0 OFF-SITE ANALYSIS
1
LEVEL 1 OFF-SfTE DRAINAGE ANALYSIS
Proposed Plat of Stoneridge
148th Avenue S.E. North of SR-900
King County, Washington
Prepared for:
�-(z-o� KBS I II, LLC
� ��RR w�oes 12320 N.E. 8th Street, Suite 100
��,�ti°F::• ����o Bellevue, WA 98005
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March 12, 2004
L-X.PIRES io io� Our Job No. 11189
I
�GH A V�
� �'r��� CIVIL ENGINEERING, LANO PLANNING, SURVEYING, ENVIRONMENTAL SERVICES
� �' Z 18215 72ND AVENUE SOUTH KEr�,WA 98032 425)251-6222 425 251-8782 Fnx
? , '� ? BFiANCH OFFICES ♦ OLYMPIA,WA ♦ TEMECULA,CA ♦ WAWUT CREEK,CA
@� �' www.barghausen.com
`Tf�G ENf.�N��P .
--�- Table of Contents
TASK 1 STUDY AREA DEFINTTION AND MAPS
EXHIBTT A Vicinity Map
EXHIBTT B Downstream Drainage Map
EXHIBIT C Upstream Basin Map
TASK 2 RESOURCE REVIEW
EXHIBIT D FEMA Map
EXHIBIT E Sensitive Areas Folios
EXHIBIT F SCS Soils Map
EXHIBIT G Assessor's Map
EXHIBIT H Wetland Inventory Map
TASK 3 FIELD INSPECTION
EXHIBIT I Off-Site Analysis Drainage System Table
- �� I
TASK 4 DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS
EXHIBTT J Drainage Complaints
TASK 5 MTTIGATION OF EXISTING OR POTENTIAL PROBLEMS
11189.003.doc[JPJ/dm]
` • � " . . .
TASK 1
' STUDY AREA DEFINITION AND MAPS
- - TASK 1 STUDY AREA DEFINITION AND MAPS
The proposed Stoneridge Plat is approximately 16.19 acres in size counting all the improvements to
SR-900 and 148th Avenue S.E., including the entire site to be developed. The project is located within a
portion of Section 3,Township 23 North, Range 5 East, Willamette Meridian, King County,Washington.
More specifically, the site is located on the west side of 148th Avenue S.E. north of SR-900 and covers
the existing S.E. 107th Place roadway serving existing lots. The enclosed Exhibit A — Vicinity Map
depicts the approximate location of the proposed site. The existing topography of the site is such that
there are slopes ranging from 2 percent up to 30 percent draining in a northerly d'uection for the most
part, with upstream basins contributing runoff from the east, south,and west. The southeast portion of the
project site is cunently partially developed with existing single-family residences and buildings with
drive aisles, landscaping, and associated improvements at that location. The remainder of the site is
mostly forested or pasture with thick brush,which will be cleared with this developrr►ent.
- The proposal for this development is to construct 58 lots with appropriate streets, sidewalks, stormwater
collection and conveyance facilities,as well as a weddetention pond sized.for Level 3 Flow Control in the
north-central portion of the project site. Access to the site will be off of 148th Avenue S.E. There are
two seasonal streams contributing runoff to the project site, one from the south and one from the east
from underneath 148th Avenue S.E. These streams join up to become Green Creek, which is a tributary
to May Creek and this project site drains to Green Creek. The two seasonal streams drain through
wetland areas that will be preserved with the development of this project site.
UPSTREAI�i DRAINAGE ANALYSIS
Based on the USGS Quad Map, our site visit, and knowledge of the property, there are two seasonal
� streams that have runoff contributing from upstream flowing through the site. These upstream basins
consist of well over 100 acres of partially developed land. There are also existing wetlands in the
upstream basin as well as pasture and forested areas. The impervious surface in the upstream basin is
approximately 3 to 5 percent.
11189.003.dce[JPJ/dm]
EXHIBIT A
' Vicinity Map
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' Downstream Drainage Map
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EXHIBIT C
� ` Upstream Basin Map
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- TASK 2 RESOURCE REVIEW
• Adopted Basin Plans: The site is part of the May Creek Basin.
• Finalized Drainage Studies: This is not applicable.
• Basin Reconnaissance Summary Report: Once again, the site is located in the May Creek Basin.
It is not known if a Basin Reconnaissance Summary Report has been prepared for this basin as of
the writing of this report; however,we do not have a copy on file in our office.
• Critical Drainage Area Maps: The City of Renton and King County have already indicated that
Basic Water Quality and I,evel 3 Flow Control will be the means of water quality treatment and
detention proposed for this development.
• Floodplain and Floodway FEMA Maps: Please see the enclosed Exhibit D-FEMA Map utilized
for this analysis, Panel No. 669 of 1,725, Map No. 53033C0669 F, revised May 16, 1995. As
indicated by this map,the proposed project site dces not lie within a floodplain or a floodway of a
stream; however, it is known that two seasonal streams pass through the site, which will be
conveyed through the site under developed conditions as well. They are much lower in elevation
that the proposed lot elevations by over 10 feet.
• Other Off-Site Analysis Repons: A review of the United States Department of Agriculture Soils
Conservation Service Map was performed with this analysis.
• Sensitive Areas Folios: Based on our review of the King County Sensitive Areas Map Folios, it
was found the subject site has a Class III stream passing through it and the areas contributing to it
are mapped wetlands as well as the downstream drainage course from the project site. In
addition, there are known wetlands located within the seasonal stream locations on site. Those
are the only known sensitive areas as indicated by the Sensitive Areas Map Folios.
• Road Drainage Problems: This is not applicable.
• United States Department of Agriculture King Counry Soils Survey: Based on the soils survey for
this portion of King County, the entire downstream drainage course and the entire site occurs
through Alderwood type soils until entering May Creek where the soils are a Ragnar-Indianola
Association.
• Weiland Inventory Map: The Wetland Inventory Map for this area is included herewith. See the
exhibit within this section of the report indicating May Creek Wetland 6, which is located on the
south side of SR-900,of which drainage from this wetland contributes to the project site.
• Migrating River Studies: This is not applicable.
11189.003.doc[JP1/dm)
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To determine if flood insurance is available.contact an insurence agent or
calithe Nacionalflood Insurance Program at(8001638--6620.
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APPROXIMATE SCALE IN FEET
500 0 500
NATIONAI f100D INSURANCE PR06RAM
FI RM
, f100D INSURANCE RATE MAP
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HING COUNTY,
I WASHINGTON AND
INCORPORATED AREAS
PAHEL 669 OF 1725
' - �SEE MAP INDEX FOR PANELS NOT PRINTEDI
COhJTAINS:
COMMUNITY NUMBER PANEL SUfFU(
K�Nc couNrr.
UNINCORPOftATED AREAS 530071 0669 F
RENiON.CITY OF 5300BB 0669 f
MAP NUMBER
53033C0669 F
�����,��� MAP REYISED:
� , �,z MAY 16, 1995
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Q1IDE TO MAPPING UNITS
For a full description of a mapping imit, read both the description of the mapping imit and that of the s oil
series to which the mapping imit belongs. See table 6, page 70, for descriptions of woodland groups. Other
information is given in tables as follows:
Acreage and extent; table l, page 9. Town and country planning, table 4, page 57. ,
Engineering uses of the soils, tables ? and 3, Recreational uses, table S, page 64.
pages 36 through 55. Estimated yields, table 7, page 79.
Woodland
Described Capability imit group
Map on
symbol Mapping unit page Symbol Page Symbol
AgB Aldeiwood gravelly sandy loam, 0 to 6 percent slopes---------- 10 IVe-2 76 3d2
AgC Aldeiwood gravelly sandy loam, 6 to 15 percent slopes--------- 8 IVe-2 76 3d1
AgD Aldeiwood gravelly sandy loam, 15 to 30 percent slopes-------- 10 VIe-2 78 3d1
AkF Aldezwood and Kitsap soils, very steep------------------------ 10 VIIe-1 78 2d1
AmB Arents, Alden�rood material, 0 to 6 percent slopes 1/---------- 10 IVe-2 76 3d2
AmC Arents, Alden+ood material, 6 to 15 percent slapes 1/--------- 10 IVe-2 76 3d2
An Arents, Everett material 1/----------------------------------- 11 IVs-1 77 3f3
BeC Beausite gravelly sandy loam, 6 to 15 percent slopes---------- 11 Ne-2 76 3d2
BeD Beausite gravelly sandy loam, 15 to 30 percent slopes--------- 12 VIe-2 78 3d1
BeF BeaiLsite gravelly sandy loam, 40 to 75 percent slopes--------- 12 VIIe-1 78 3d1
B�h Bellin�am silt loam------------------------------------------ 12 IIIw-2 76 3w2
Br Briscot silt loam--------------------------------------------- 13 IIw-2 75 3w1
Bu Buckley silt loam--------------------------------------------- 13 IIIw-2 76 4w1
Cb Coastal beaches----------------------------------------------- 14 VIIIW-1 78 ---
Ea Earlmont silt loam-------------------------------------------- 14 IIw-2 75 3w2
Ed Edgewick fine sandy loam-------------------------------------- 15 IIIw-1 75 201
EvB Everett gravelly sandy loam, 0 to 5 percent slopes------------ 15 IVs-1 77 3f3
EvC Everett gravelly sandy loam, 5 to 15 percent slopes----------- 16 VIs-1 78 3f3
EvD Everett gravelly sandy loam, 15 to 30 percent slopes---------- 16 Vle-1 77 3f2
EwC �Everett-Alden,00d gravelly sandy loams, 6 to 15 percent
slopes----------------------------------------------------- 16 VIs-1 78 3f3
InA Indianola loamy fine sand, 0 to 4 percent slopes-------------- 17 IVs-2 77 4s3
' - InC Indianola loamy fine sand, 4 to 15 percent slopes------------- 16 IVs-2 77 4s3
InD Indianola loamy fine sand, 15 to 30 percent slopes------------ 17 VIe-1 76 4s2 �
Kp6 Kitsap silt loam, 2 to 8 percent slopes----------------------- 17 IIIe-1 75 2d2
KpC Kitsap silt loam, 8 to 15 percent slopes---------------------- 18 IVe-1 76 �d2
KpD Kitsap silt loam, 15 to 30 percent slopes--------------------- 18 VIe-2 78 2d1
KsC Klaus gravelly loaary sand, 6 to 15 percent slopes------------- 18 VIs-1 78 3f1
Ma Mixed alluvial land------------------------------------------- 18 VIw-2 78 201
NeC Neilton very gravelly loamy sand, 2 to 15 percent slopes------ 19 VIs-1 78 3f3
Ng Newberg silt loam--------------------------------------------- 19 IIw-1 74 201
--
Nc Nooksack silt loam-------------------------------------------- 20 IIw-1 74 201
No Norma sandy loam---------------------------------------------- 20 IIIw-3 76 3w2
Or Orcas peat---------------------------------------------------- 21 VIIIw-1 78 ---
Os Oridia silt loam---------------------------------------------- 21 IIw-2 75 3w1
OvC Ovall gravelly loam, 0 to 15 percent slopes------------------- 22 IVe-2 76 3d1
QvD Ovall gravelly loam, 15 to 25 percent slopes------------------ 23 VIe-2 78 3d1
OvF Ovall gravelly loam, 40 to 75 percent slopes------------------ 23 VIIe-1 78 3d1
Pc Pilchuck loamy fine sand-------------------------------------- 23 VIw-1 78 2s1
Pk Pilchuck fine sandy loam-------------------------------------- 23 IVw-1 76 2s1
Pu Puget silty clay loam----------------------------------------- 24 IIIw-2 76 3w2
� "i'y Puyallup fine sancty loam-------------------------------------- 24 IIw-1 74 201
RaC Ragnar fine sandy loam, 6 to 15 percent slopes----•----------- 25 IVe-3 77 4s1
, RaD Ragnar fine sandy loa�a, 15 to 25 percent slopes--------------- 26 VIe-2 78 4s1
RdC Ragnar-Indianola association, sloping: 1/---------------------- 26
Ragnar soil--------------------------------------------- -- IVe-3 77 4s1
Indianola soil------------------------------------=------ -- IVs-2 77 4s3
RdE Ragnar-Indianola association, moderately steep: 1/------------ 26 -------- -- ---
Ragnar soil--------------------------------------------- -- VIe-2 78 4s1
Indianola soii------------------------------------------- -- VIe-1 77 4s2
3 �
U.S.(lOVERNMENT PRINTING OFFICE:1973 O-468-366
GOIDE TO MAPPING UNITS--Continued
Woodland
Described Capability �.mit group !
— 'iap , on
�mbol Mapping tmit page Symbol Page Symbol
Re Renton silt loam-------------------------------------------- 26 IIIw-1 75 3w1
Rh Riveiwash--------------------------------------------------- 27 VIIIw-1 78 ---
Sa Salal silt loam--------------------------------------------- 27 IIw-1 74 201
Sh Sammamish silt loam----------------------------------------- 27 IIw-2 75 3w1
Sk Seattle muck-----------------------------------------=------ 28 IIw-3 75 ---
Sm Shalcar muck------------------------------------------------ 29 IIw-3 75 ---
Sn Si silt loam------------------------------------------------ 29 IIw-1 74 201
So Snohomish silt loam----------------------------------------- 30 IIw-2 75 3w2
Sr Snohomish silt loam, thick surface variant------------------ 31 IIw-2 75 3w2
Su Sultan silt loam-------------------------------------------- 31 IIw-1 74 3w1
'hi Tukwila an�ck------------------------------------------------ 32 IIw-3 75 ---
UrUxi�an land-------------------------------------------------- 33 -------- -- ---
Wo {Voodinville silt loam------------------------------=------- 33 IIw-2 75 3w2
1/ '
-lhe composition of these �its is more variable than that of the others in the Area, but it has been
controlled well enaug}� to interpret for the expected use of the soils.
_�
�
I �
I
I
. II
. II
I
EXHIBIT G
Assessor's Map
1
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• . II
EXHIBIT H
Wetland Inventory Map
I li
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":�� :� �� � -
Photo Date: 5-80 �d��tn � Approx. Scale: 1" = 500'
�
WETLAND: May Creek 6 COMMUNITY Newcastl e
PLAN AREA:
LOCATION: SW SE 3-23-5 BASIN OR Cedar Ri ver
DRAINAGE:
INVENTORY DATE: 7-20-81
ACREAGE: 3•g
CLASSIFICATION: Fish and Wildlife Service Common Name '
PSSI Palustrine, Scrub-Shrub, Broad- Scrub-Shrub
leaved Deciduous (N'illowl
Pf01 Palustrine, Forested, Broad- Forested Wetland
leaved Deciduous (Red Alder)
NOTE: The wetland edge show� above is apD�oximate. !n marshes, ponds or lakes, the transltlo� from standing water to upla�ds is
uwally Gear. However,the edges of forested or sc►ub/shrub wetlands are less dlstlnct, There,the change trom wetland to upla�d
ofte� occu►S ovar a broad area called the "transitlon zone", For a dlscussion, see Wetland Plants of Kln9 County and the Puget
May Creek 6
OBSERVED SPECIES: (refer to list in Appendix 1)
�� Trees: AM, AR, PT � _ �
Ha�bs: LA, OS
Shnibs: AC, CS, LI, RS, SX, SD
Sedges/Ru shes/Grau/Fern:
' ei�s� AR, ST, SS, WW
Mammals:
Fish:
Other.
RARE/ENDANGERED/THREATENED SPECIES: (refer to list in Appendix 2)
Recorded/Observed:
Poterrtial:
SIGNIFlCANT HABiTAT FEATURES:
OUTLET: Typs: plpe
Condition: Open
Outflow enters: Stream
POTENTIAI STORAGE: ExistingActive: � ac. ft.
Potential Active: 8 ac. ft.
GENERAL OBSERVATIONS: Northeast corner filled some time ago. Head waters .of Honey Creek.
.—�
�
.._TLAND EVAWATION SUMMARY:
Data was collected in the five categories shown below. Within each category the data vras evaluated to produce numerical values. Composite
values for each category were produced in order to compare each wetland to oMer wetla�ds in its sub-basin and in King County. The rewlt of
that compariso�was a percentile rar►k. The percentile is expressed on a scale of one hundred and i�dicates the percent of wetlands that scored
equal to or below that particular site. For example,a percentile rank of 80 under wbbasi�means that the wetland scored equal to or better
than 80 percent of aIl sites within the wb-basin for that evaluation ptegory.NOTE: The percentile ranks are valid only within the individual
evaluation category and are intended solely for refe�ence and comparison.
Rank
Evaluation Category . (by percentile)
Sub-basi� County-wide
Hydrobgy: runoff storage potential,water quality,potential for minimizing damage 64 82
in downstream areas
Blology: quality of habitat,abundance and diversity of plant and animal species 21 25
ViSUaI: dive�sity and contrast of wetla�d and wrrounding vegetation, 35 34
surrounding landforms
Cultural: types of access,proximity to schoolslinstitutio�s,overall 50 56
ernironmental quality
ECOnOmIC: prese�ce of agriculture/peat extraction,anadromous or game fish, 35 ZS
game birds or mammals of commercial value
WETLAND RATING: �
Fach wetland was assigned one of three possible wetland ratings. The wetland ratings were determined by exami�ing the scores of selected
�tory tasks, specific data or percentile ranks for individual evaluation categories. The criteria used to assign the wetland ratings are
xibed in the Introduction. For each rating a number of specific guidelines for new development in or adjacent to wetlands were prepared.
guidelines are intended m assist in carrying out King County's Sensitive Areas Ordi�ance and other wetlar►d policies. They aro included in
a separete report titled"Guidelines for King County Wetlands".
Wetland Rati�g 2
TASK 3
� FIELD INSPECTION
�
�
-�-- TASK 3 FIELD INSPECTION
There were no major problems reported or observed during the resource review. Based on a review of the
drainage complaints in the downstream drainage course, there was one property owner who has indicated
that erosion is occurring on her propeRy at several occurrences during major storm events in the last 15
years. In addition,that same property owner has indicated that flow rates contributing to the stream in her
backyard are increasing as development occurs in the upstream basin. This property owner has written ,
several letters to King County's various divisions including governmental offices requesting assistance
with problems on her property. That is why Leve13 Flow Control is proposed for this development.
Based on the drainage complaints and our site visit, it appears flooding has not been a major problem in
the downstream drainage course from the subject property; however, Level 3 Flow Control will be
provided.
The upper 5/6 of the downstream course courses through mostly backyards and brushy azeas, until runoff �
enters May Creek on the far north end of the section. Most of the downstream drainage course
investigated by this site visit and a review of the Soils Map indicate that the downstream drainage course
occurs through Alderwood soils for the most part and then Ragnaz-Indianola type soils neaz May Creek.
The field reconnaissance for this off-site analysis drainage report was conducted on March 3, 2004. The
skies were partly overcast and the high temperature on this day was approximately 50 degrees. �
�
I
�
11189.003.doc[JPJ/dm]
f
EXHIBIT I
: Off-Site Analysis Drainage System Table
, _ ._ I
OFF-SITE ANALYSIS D�.�INAGE SYSTEM TABLE
Surface Water Design Manual, Core Requirement #2
Basin: May Creek Subbasin Name: Green Creek Subbasin Number:
Dist�nce Observations of Ficld Inspector,
Drainage Component Drainage Component from Site Existing Potential Resour�e Reviewer,or
Symbol Type,Name,and Size Description Slope Discharge Problems Problems Resident
Constricdons,under capacity,ponding,
Type: Sheet flow,swale,stream, overtopping,flooding,habitat ot otganism
channel,pipe,pond;size, Drainage basin,vegetation,cover, destrucdon,scouring,bank sloughing, Tributary area,Gke6hooci of problem,
See Map diameter,surface azea depth,rype of sensitive area,volume °!o Ft. sedimentation,incision,other erosion overflow pathways,potential impacts
�O Vegetated channel Wetland through backyards 5 0'—575' None Noted None Noted Area is fenced off, couldn't get
a good look.
� 30-inch CMP Under S.E. 104th Street, flows 2 575'—600' None Noted None Noted
north
OO Channel Through backyards 1.5 600'—2300' None Noted None Noted
O 4.5-foot by 5-foot CMP Flows north under 26th Street 0.5 2300'—2350' None Noted None Noted
arch culvert
� Well defined channel Flows into May Creek 1 2350'—2750' None Noted None Noted
111 A9.004.doc(JPJ/dm]
��
TASK 4 ,
� DRAINAGE SYSTEM DESCRIPTION
AND PROBLEM DESCRIPTIONS
- � TASK 4 DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS
Runoff leaves the site through the norih-central portion of the project site and courses through backyard
areas and vegetated swale consisting of wetland areas until coursing undemeath S.E. 104th Street through
a 30-inch corrugated metal pipe culvert. Flows continue in a northerly direction for the most part passing
through backyards in a well-defined channel until flows pass undemeath 26th Street in the City of
Renton, flowing noRh through 4.5-foot by 5-foot CMP arch culvert and then a little bit later the flow
courses into May Creek.
A review of the Exhibit J — Drainage Complaints shows there is a one property owner tha[ is very
concerned about stormwater runoff surrounding her home. Many complaints were addressed by her from
adjacent property owners. In addition the upstream drainage basin, which contributes runoff to the
seasonal stream passing through her backyard, is the downstream drainage course from the project site.
This property owner is the only complainant on the downstream drainage course from the project site, but
she was complaining of erosion during peak flows contributing to an ongoing problem in her backyard.
That is why Level 3 Flow Control is being instituted with this development. Please refer to the drainage
complaints for a complete description of the problems associated with the downstream drainage course.
' 11189.003.dce[JP]/dm]
EX�IIBIT J
Drainage Complaints
� I�1R. �3.z004 4�32PM KC WLRD N0.986 P. li4
� /l/�'�
- TCing CountY Water and Land Resources (WLRl Division
201 S J3ckson St,Suite 600
5cattle, WA 98104-3 855
Date: �
� ILE �QpY .
Number of pages including cover sheet: �
To:
ei � From: Cindy Torkelson
- F�: ��f�,,� ��'� ' ��-a WLR Stormwater Scrvicas Section
_��_ , -
�5 �5.� _ ��a,� Phone; 2 6 296-1900
Phone:
Fax Numbe�: 206 296�0 2
12E: �evel l A,nRlysis �. .� -
To follow is a list of complaints recclved by the�Water amd La.ud Resources Division Drainage Services
S�ction.. Complaint numhers beginning prior to 199U-��'XX have been archived and are no longer in
our possession. '�'hey can still be reaieved,if riecessary,but:will take additional time and may not be
beneficial to your research du�e to th@ir age,developm�nt whieh has occurred, etc. Tf you are intez'ested
in revie'wing the actual complaint•s,they ean be�ulled(time permltting)for yowr review. Copies can be
obtained for$ .15 per page, aud$2A0 per page for pl�ns. I
Ke s: • � '
Tvne of Inveg t�'tfon • 'h�ae ofprohlem
C Arn1on Rcqucdt DCA DcvtiopmenVConstruction
BCV�' Husinqe'�Clean Wate� DDM Dceln�ga-ivfisallerleous
CC� lte9ponse�n Iaquiry DES Dralm►�e—BroBfoRilSedimentation '
•CL Clelm DLE dramage--Iandslide/�arthMovaneat
EH � EnRonxmettt on Hold DTti A[ainege Tochnica!Aeeistence
ER Rpforcemont Rcview INQ Dreinage—Cseneral inquiry ,
PCC,FCR.PCS Faclliky Compts(ats MMA Meinta►aece-Acsthcdcs
FI 5WM Pa tnquiry Mi►� M�m�cc-Flooding
Fitt SWM Fea Roviea Iv�[G ' M�1Atenenoe-Ge,nua!
FIH . SWM Pa on Hnid h�tM . Maln6aaattccc-Mowing
•LS C,nwsult MNM � MAineen�nae—Nceds Maiptenancc _
RR Faa(li�gnsiAa,�in8[�icv�` .•.IrtNW Maintranncc-Noxioua Wacds
NDA NaQhbofhood Dninagt AssL�tmtice SWF SVI'M Fee Questlons
WQC 'Wsber Quetlq�Camplalne vVQB Wtua Quallty—B�at Manage+n�nt 1'ractiees
WQ� Wecar Quality EnB�rccu�ud WQn Weca Quality—pumping
WQR W�b�t Quellty BngineeAng Revfew WQI Wstcr QuAllty—Illicit ConnCCiion
WQA W�ter Qudily Audit REM SWM Fee-Aemeastmmept
wQo water Quellry--Otha GRT SWM Foc-Gtant
S1,S2�SN3 EngincaingStudles � NVJD SWMPee-AfawDiscount
`Suhjcct tn Publlc Diselasuro ss�uircmenis L Racelpt of wriften requcst ior doeumonts 2.Revlow snd approva)by Prosewting Ateorney'�oflicc
�
..,,,.. ....�<,�-, -.•JJrI'1 r�� WLKU N0.986 P.2i4
�inn eou�►wa�r and�Re�ces��s�-�aoe ser�oes$aatmn
� I���t��� Printed� 3l3/2004 2:30:26 PM
c0°�� �� rypB�r Pr�n �ress o�prmre� ��
N�ther C�le il�rro�Pape
1975-000�4 C pRNG 958 S UNSET BL SE 13BTH/SUNSE'f BUANN�XED 626J6
198a0oos c FILL 138TH Av� SE HONEY CR�EKIMAY CR��K 626J5
1983-004� C 15823 SE MAY VALLFY RD FILLING/MAY CRK 627A5
1983-OOA�6 C DRNG 11203 148THAVESE PONDING 626J6
1983-0057 C FLDG 104.48 151SY S� 627A5
9 984-0015 C FLDG RENTON-ISSA HWY MAY CREEK 626J6
1985-0225 R VIOIATE 1�019 SE MAY VAtLEY RD "� TQ CODE ENF. 627A5
9985-0809 E � � � � � Pf111tAppvdSWM-DRS pz�q5
1986-0654 C FILLING 11203 148TH A1lE , S� 626J6
1987-0284 CL FLDG 14847 206TH AVE . SE BASEM�N7 FR�M CULVERT-C1.#10505 627A6
1987-OR185 C DRNG 15004 SE '114T.y,ST i�EI�H�OR FL.00DING PROPER7Y 627A6
1987-0485 ER .,_,_„__, __ .__, ,._ .TO RD DRNG FOR CM/Rp CQORD 101271e7 627A6
1967�0485 NDA •� tV0 RD DRNG FOR CM/RD COORd 10/27/8 627A6
1987-OB01 C DRNG 1a100 SE 100TH PL ' FROM N�1N D�VE�OPMENT 626J5
1987-1189 C DRNG 10218 147TH AVE SE DRAINAG�FROM RENTON R/D PON� 626J5
1988-d787 C DRNG 15004 • S� 114TH ST ILLEGAI.INSTA�,L�ITION OF TIL� 87-0485 f327A6
198&0790 C DRNG 14418 SE 1'l6TH ST INADEQUAT�SYST�M INSTALLED 626.16
� -0117 C DRNG 14408 SE 100TH ST SUMMER WINDS DRAINACE OYERFLOW 626J6
.___-01Q0 C ER0510N 14-429 SE 116TH ST ' PVT R(7 WASHOUT DU�TO NO DFtAlNAGE 626J6
1989-O�E50 C DRNG/ERO 14428 SE 1ieTH ST PVT RD WASHOUT DUE TO NO DRNG 89-0 626J6
1989-0318 E DRNG 11800 138TH AVE SE CL�ARINGOF R/D NATUI�AL R/D POND 626J6
�98�o53a C ORNG ' 14842 SE 11�4TH ST FILL OF DRAINAGE a7-oass 627A6
1990-0508 C DRNG 14842 SE 114TH ST DITCH FILLED IN s27A6 '
1990-0819 C PONOING 104fl3 '[47TH AVE ' S�,, IN YARD/81�0619 626J6 -�—
1990-0982 C DRNG 15630 SE 118TH S7� DITCH ENDS BY PROPERTY 627AG
1990-1623 C FLDG 13611 SE 118TN ST (t�R/D FACIL1lY SEEPINCy WAT�R 628J6
1991-0339 C FLDG 11212 137TH AVE S� P1PE OP PRIVATE DITCH 826J6
1991-0578 C DRNG 11833 1�2ND AVE SE WAT�R PONDING IN YARD 626J6
9991-Qfi19 C DRNG 10403 147TH AVE S� iNCREASED FLOW IN S�ASONAL CREEK 626J5 �"
'f 891-0619 SR DRNG 10403 147TH AVE SE TO CIP 626J5 �
19J1-0797 S2 ON HOLA 627A6
1991-0898 C DRAINAGE 15212 S� REN70(VrISSAQ Rp HIGHWAY DITCH CL�ANMG 627A6
1991-0932 C DIVERSIO 15630 SE 116TH ST DITCH 4UTL.�T ON YARD 627A6
1991-1127 C BEVERbAM 14800 SE MAY VALLEY RD DAM IN STR�AM 626J5 �—
1992-0100 C DRAINAGE 12240 142ND AVE SE 626J6
1992-4937 C CONSTRUC ,14410 SE 1077H PL • NEW CONST/RENTON 626J5
9992-0169 C DRAINAG� 10262 147TN AV SE ' 826J5 *�C—
Paga 1 of 3
i'IHK..�.cne4 �:���� KL WLKll N0.986 P.3i4
��� T� TyAe of P�oblem lltk�aa�ei Pl�em �is Th�os PaQe
!-0169 SR DRAINAGE 10282 147TH AV SE NOT NDAP(GROUND WATER). 628J5 {�--
1992-0484 C MAY CR�K 15440 SE MAY VALLEY RD MAY CREEK RISING 627A5
1992-0484 SR MAY CR�K 15440 SE MAY VALLEY RD MAY CR�EK RISING NO7 NDAP 627A5
1993-0086 C DRAINAGE 1822� 148TH AV SE DRAINAGE CHAIVNEL Ofd PFtOPER7Y 627A5 �
1993-OQ94 WQC EROSION 10217 146TH AV� SE EROSI4N ON CL�ARED LOT 626J5 �--
1993-0236 C EROSION 10202 148TH AV� SE EROSION PROBLEMS ON ACTIVE PREMIT 627A5 �
1993-0236 ER EROSION 10202 1�48TH AV� SE EROSION PROBLEMS ON ACTIVE PERMIT 627A5 F--
1983-0236 RN EROSION 10202 148TH AVE SE EROSION PROBLEMS ON ACTIVE PREMIT 627A5 -F
1993-0339 WQC S�iNAGE 10222 148TH AV� SE REFERED TO DOES 627A5 �—
1993-0387 NDA DRNG 12203 148TH AVE S� PONDING IN YARD NDA-F 627A6
1993-0387 RN DRNG 12203 148TH AVE SE PONDING IN YARD NDA-F 627A8
1993-0�L37 C DRAINAGE 112Q4 148TH AV�NU� , $� ENCLO5ING ROADSIL7E 017CH 627A6
9993-0858 C Rt1NOFF 10220 'I48TH AVE $� CLEARING OF N�IGHBORS LOT 627A5 -F--
1993-0932 C DRNG 10220 148TH A1/E SE CL.EARING OF NEIGH�ORS�OT 627A5 �
19940177 C DRNG 10218 148TH A�(E SE NEW HOUS�NEAR SWALE 827A5 �
1994-0478 C 1NQUIRY , 10217 147TH A1/� � S� ROAD CUI.VERT oUTLETs To LOT 62GJ5 �'
1954-0476 NRA IIVQUIRY 10217 147TH AVE $� ROAD CULVERT OUTLETS TO LOT 626J5 -��
1995-0420 C �ROSION 10415 14TN AVE S TRIBUTARY OF MAY CR�EK 626J5 -E-�-
1995-0420 NDA EROSION 10415 14TH AVE S TRIBUTARY OF MAY CR�EK 628J5 �
1995-0420 RN ER4SION 10415 14TH AVE g TR�BUTARY OF MAY CREEK 626J5 '�
-0689 C ERO510N 11204 148TH AVE $� SLOUGHING OF ROADSIDE DITCH 627A6
-0718 X DRAINAGE 10415 147TH AVE SE SEE 94-0420,NDA-C 626J5 �—
199$-0996 X DRAINAGE 10415 1�i7THAV� SE 826J5 �E--
1995-a037 C DITCHES 11224 149TH AV� gE STOi�M�CC��D�D SYSTEM CAPACITY 627A6
1996-01�43 C RUN OFF 14614 SE RENTON-ISSAQUAH RD F�UNOFF FROM SR 900 62G16 f-
1996-0552 C Fl.DG 11815 146TH AVE SE • 826J6
1996-0552 R FLDG 11615 148TH AV� SE FLOODING FROM VAN�ALIZED FiRE MY� s26J6
1996-0750 X DRNG �04�5 147TN AV� SE DDES WAS L�aTF-i�1r HANOLED 6z6J5 f
1996-1193 C EROSI�N 1120A 748TH A�fE g� REQU�S7 TO ENCL�SE R1S DITCH 627A6
199F-1377 C R�pGRAS 15440 SE MAY VALLEY RD R�Ep CANARY GRASS RESrRICTING CNA 627A5
9 997-1299 C DRAINAGE 'I5329 SE MAY VALI��Y RD PVT DRIVE CONST IMP TO RD DRNG SYS 627A5
1997-1299 E DRAINAG� 15329 SE MAY VALLEY RD PVT'l7RIVE GONST IMP TO Rp DRNG SYS 627A5
1997-1299 R DRAINAGE 15329 5E MAY VALLEY RD PVT ORIVE CONST IMI'70 RD DRNG SYS 627A5
1997-1454 C DRAINAGE 10h29 FOREST AVE S OFFSITE SHEETICON�ENTRATEp FLOW I 626J5 �
1987-1454 R DRAINAGE 1U429 FOR�ST AV� S OFFSIT�SHEETICONCENTRATED FLOW I 826,15 '�-
9 999-019fi C DRAINAG� SE 101 SY11�46 AV� SE OFFSIT�FLOW iMP PROP CIlY OF REM' 626J5�—
1999-�320 X DRAINAGE SE 102NOH�17-48 AV SE MORE OF THE SAME 62BJ5 �-
1999�0417 C F{LLING 15019 SE MAY VALLEY RD ALLEGED FILLING VIOLATION PREVIOUS 627A6
1999-0710 C D�SRIS 148XX SE R�NTON-ISS RD. UTIL WORK ST RNV APPEARS AD�QU No 626J5 rti�
1999-0726 WQC CRE�K 14813 SE RENTON-15S RD , C�NC�RNS R�GARDING SEDIMEN7 DRAI 627A6 �-
Page 2 of 3
i�uir<. .�.ce� 4=:3�F'M KC I.�RD , N0.986 P.4i4
� � iype�f Prd�em A�ae�of Pra�etq 6ptm�ts � itmas P�e
-pp26 C C�EARING 10415 947TH AV� S� LOT CLFARING PR�P TO N�YV CONST7? 82�J5 ��
2000�-0440 WQR DES 10415 147TH AVE SF WILL REVISIT SITE DURING RAINSTORM T 626J5 F--
204Q-0760 WQR Wo8 11204 1487H AV�NUE SE Mrs.Walt�ip has mulched all exposed soil to s 626J6
2001-0065 X INQ 10415 147TH AVE 5� EMAIL RESPONSE SENT FOR RON SIMMS 626J5 �-
2Q01-018B X DCA 10415 14TTFi AVE SE prepered email for Nancy Hansen to sa�d to 626J5 �-^
2001-0274 WQR WQO 10220 148TH AVE SE 627A5 �`
2001-0318 X INQ 10415 147TN AVE SE RESPONS�BY RON SIMS TO A LETTER S 626J5 4—
2001-0765 NDA- DDM 10415 1A�7TH AVE SE P07ENTIAL QUICK FIX-WAT�R FROM NE 626J5 ��
2001-0765 �t QaM 10415 147TM A1/� SE POTENTIAL QUICK FIX-WAT�R FROM NE 626J5 .E--
2001-0842 E D�M 10217 1477H AVE S MS- NAGEL BLOCKED A CROSS CULVERT 626J5 �--
2002-0005 C ODM 10415 147TI-I AVE SE PDR F�R ENFORCEMENT LETTER 01-084 626J5 l�--
2002-0035 X INQ 10415 147TH AV�S� RESPONSE T0119l02 EMAIL FROM C�AU� 626J5 '�—
2002-0212 C D�M 10726 148TH A1/�SE SFR WlTH GROUNnWATER PROBLEMS. 626J5 �--
2002-0303 NDA- DpM 10415 147TM AV�SE UNDERSIZED CULV�RT CAUSES eACKUP 626J5 �--
2Q02-0303 R DDM 10415 147TH A1/�S� UNDERSIZELI CUL.V�RT CAUS�S BACKUP 626J5 'F"'
2043�02�o x irlQ 14415 147TN AVE SE EMA1L INQUIRY REGARDING EROSION Ca s2a�a �--
2003-0567 C DTA 11327 148TH AVE SE WATER IN Cf1AWL SPACC.API'EARS TO 626J6
Page 3 of 3
I ..,�.� KiNG COUNTY DEPARTMcI�T OF Pl .. C WORKS �
� O SURF.4CE WATcR MANAGEMENT DIVISION �
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COMPLAINT INVESTlGAT10N REPOR� ' � ��
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�..,�JRE O� COMPLAINT: � �p - S� "�1�� �
✓ SEC.�TWP�RGE S
LO^.AT10N: ��� �a�j f)� KROLL PG. a'��
� � / � COUNCIL DIST. �_
COMPLAINANT: f���P T ��'d�✓DACC
v.qwE NO.
HOME:y�S��� O
Address 10�L� ������`C � Ciry �State/�✓�" Zip � � WORK
DETAILS OF COMPIAINT:
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COMPLAINT RECElVED SY: Z3Q(`)(� - 0�'6 ��
; LS OF tNVESTIGAT]ON: Sketch on revers ide:Yes No O Photos:Yes� No L�
a���
��� site 2-27-92.
The Brundage residence is located on the side of a relatively steep hill . Slope is from east to
west, and 10262 fronts on 147th. To the rear, and facing 148th is a new home, graded, but with
no vegetation (landscaping). 148th at this location is a shoulder tyoe road with ditches on the
east side. Run off to the west is shared by the property owners. Observed no noticeable erosion
at 10263-148th from the road. Roof run o.ff is piped-probably to a dry well .
Photo 1) Looks south on 148th with adjacent lot to 8rundage at right.
2) Looks west from 148th at 10263. Brundage is to the rear and down.
3) View of Brundage house and 10263 - 148th in backgrnd.
I ^ J���a-�.�...._- �ArE: 2-z8-p-�
.AMPLAINT INVESTIGATED BY:
ACTIOfd TAKEAI: 3-�3-`�,2y S'�0�C4 ��� LVl r- �f-u.K•�Yf(�- . i/Ctt/ls� v0 c+� �/•cK v/c /'.�i r�a� 9�
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l.�� ��.t.!' Y� ,•'rl/t-�..�, r`I j�q c..../ � C�....}� v eLJ.I`f �!/..-A/t C. -�►nv�`t /y„A,c..1�y, a.X•�' - /i✓1!'t ��
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Complainant advised of action possible or taken by. Phone Leite� O Personal Contact O
Complaint Action Handled By ��
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KING COUNTY DEPARTM�NT OF PUBLIC WORKS _
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� COMPLAINT INVESTIGATION REPOR� ' •
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NATURE OF COMPLAINT: G z?— /� S �� ZCP ' � �
� ; � SECZ�TWPZ3 RGE s�
� LOCATION: ���K��i S1/rffQ�l� BOI'17Br !y /�.q S//!70/l S � KROLI PG. C�O /
COMPLAINANT: COUNCII DIST. �
W10NE NO.
HOME B Z�3 970 U
Address �UZ� /�/�� /�V ssi Ciry Sf,�e State Zip WORK �f.3.S'OS D�7F
DETAILS OF COMPLAINT: CA/ 0 �v0�/�
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r�MPL4INT RECEIVED BY:�� ��'1 � l�
LS OF INVESTIGATION: Sketch on reverse side:Yes No O Photos:Yes C��_No�
„n site 2-2-93. °i�""� �
Met with Mr Simon and viewed the problem. He has a one acre lot that he has cleared fo►�C
construction of a home in the new year. Slope. of the surrounding properties is from SE to
NW, and neighbors to the south have dug an interceptor ditch across the back of their lot
that is also said to drain another ditch from the next southerly neighbor. This had drained
to an area on his lot that is proposed to be the foundation for his house. Mr Simon in turn
dug a ditch along the property line to the ditch on 148th which he intends to tight line.
BALD is said to have informed him drainage from the properties should go to the roadside
ditch. Because the neighbors drained to his property it is up to him to handle. At the time
of observation there was drainage from the neighboring properties to Simon's southerly ditch,
down the ditch to where it goes sub surface to a sma]1 pond in a low spot in the front, and
from there to a cross culvert under 148th to a small swale. There was indication of some
erosion from upstream due to siltation of the small swale. Followed the drainage to where
it outlets west of 147th Av SE and observed no silt at that location.
pF�oto 1) Looks east from 148th across mid portion of the Simon property. Pond and drainage
in foreground drain to ditch.
2) View of ditch on east side of 148th bordering Simon property.
3) View towards 148th along south ditch.
4) Shows ditch and neighboring house on right.
5) Looks south along ditched area t rear of 10222 - 148th.
COMPLAINT INVESTIGATED BY: ,.atrv�-�-- DATE: Z" 3'
ACT10N TAKEN: Z��3-g3, 5' k Q �,� '1�z„� ' ' '� ,
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�1�0 PR��L�M S�F�V �
Complainant advised of action possible or taken by: Phone Q' Letter � Personal Contact O
Complaint Action Handled By � � J Closed: 4 OK'd:��J�`�
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SURFACE WATER i�AANA�EMENT DIVISiON �
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COMPLAINT INVESTIGATION REP�RI� �
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NATUAE OF COMPLAINT: /`� -rj� j/j� , �� Z� ' � �
SEC �TWPZ3 RGE-�
LOCATION: ���{DSS �5��zT F�-��r egDD, �� .C��� KROIL PG. �.[�3��
COMPLAINANT: I�����T 1�1P/�L.E . ��i, rpL6 SS �E�IL D�ST. __ �
Address � �Z � � �����v �� City State Tip Wpqf(; Z TY 9 S 7 3
DEfA1LS OF COMPLAINT: �R/�B TO /�i9y G'%�c�K - Qs � !r�liGt�GN�tGC�ztaT7o� �/�tyio�
�} C�H����z rti�s � e�.���1 r��6�,� �rc�i�
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CO��PlA1NT RECEIVED BY: `��/%/�/���/L� I 5 i.3/G'� u� ��(C'�+���� Ot.9 R iti a-!-9 3
0 S OF INVESTIGATION: Sketch on reverse side:Yes No❑ Photos:Yes e'3 No 0
a,anary
.,�� site 2-2-93.
Spoke with Doug Dipple regarding siltation in a swale as a result of run off from property
identified in 93-0096/Simon. There was siltation to a small swale that accepts run off from
a cross tile under 148th (12" conc). The stream tended to wander thru heavy brush and ferns
and then culverted under 147th near 102nd Av SE. Where the stream crossed the ditch on the
east side of 147th and at the outlet, there was no signs of silt. It appeared the silt was
deposited on the property by the Dipple residence. At the time of the muddy water Mr Dipple
felt there was a speed of run off at .2 cfs, whereas the run off normally flows at approx
.02 cfs. At the time of observation run off was clear.
Photo 1) View of run off at the outlet of cross culvert.
2) View of flat area where siltation occured.
3) Outlet west of 147th that drains to large pasture. Approx 1/3rd mile to May Creek.
4) View of ditched area at north side of 10222 - 148th that is said to drain a�etlands.
�OMPLAINT INVESTIGATED BY: � pq�: z-3- g 3
�CT10N TAKEN: Z-23-Q3 , �� o a„�r„t•.,�.
z--i� -�3 . �D ��,�.
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:omplainant advised of action possible or taken by: Phone C� Letter O Persona!Contact ❑
:omplaint Action Handled By ��'`1�- 1�C!��/�.��--`- Closed: � `"i- �3 OK'd:�.
Narr. �Jar. Inetii�l
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DRAINAGE INVESTIGATION REPORT
Page 1: INVESTIGATION REOUEST TYPE C
PROBLEMLacAt� �D 1'LoW��6� E2�iloK1 ,
en+ed bY=R F3+ZAKG Date: 3_30_�� OFCd by:��/� FUe No. 9 l�" -D Z3(o
Received fiom: (Pl�as+print plainiy 1or scannin9)• (DaY) {Evs)
lvlc t�l l�
NAME: Kc.?�� [.o�la�. PHONE Zll� SIt�3 `t�(a -6�83
ADDRESS: ln�n� IQ�� Av� `� City ���,r��.) State�J�• ZiR �j$oS`
l.ocation of problem, ff differen� CHARGE #
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��2�v�fA-`il. m5 J�vsvc.r� ��l La�.M-r��. �Lao�b'�•J� '�u0 �2���.s e�*-
T� �pc.�i r.�A-� r's D/u.J• S�K�z "f'tr� , /►�uTh-L,�T {���'Zr,r I NSTi4t.�.F
�/V /�S �►J6.1�'R.l�!c A-�-e-rv� L�.s1!'tM exs �c.�S S D/w R+tiO o vZ.t'7"s ��t�?.�
I�'8� A.,� 5� l2�4owA-y 1�►r� A-� Ce�p��,N�.rr `5 D/w GvL.r�er`. 1?S�
_ �iv 7 �i�t},,v s R�v�7-�-� i N ��� a�v�-i�►�P►^'�, TH� i�.rt-r'-(.r,.r c A+�D
�?oA►'`�6 i4wIS'-! T�C' ����9T�vl9yv73 4�lw I�q.�,c '� w�� fi5 llf-�
Q1,,�, ���..��r- r� ���� �� st. wm�r- �.�,,r r3c �,�vE ?
Other_ agencies involved: (Give details) �� �L���,n,a.z Q�� ��'n/1�
�►7R� d o z�'�ac. Ta �M A��2 .
Reported/mpacis:, # Properties: Dates/frequency of occurrences:
_ Home FiR�r ou�v,�i��,c� vN �t1�f-(ZcN ZZ~"° t�43
Access road J
— S�acG GLb7t�>►16, � l�P�74��T' �/
_ Septic system
outbuildings, garage
_ Yard/landscaping
Other property
Stream, lake, wetland
Comments:
AP�kc.�tr NE14+t88�Z F�c t3AK�4,y.vs Z35 -�18�0 l5 �wc.6D�,q�}'SL'c� s� �1Zrn�.
. .. ............................................. . . ...., . I
�"riiiii��e�►e�neiK�atrt�tr�wrere�rerrerKe��tete ..,.�'._ . . , � . :: . ... . �.i.a-a.�rRr� rrG�••,•�• iwr�r:I��raa��'iitis�a���a��
.:.::;.;:;;:;.... :....>.>.:;.::.,::,.�.:::.:•::..,::.:..•.�...>::.,.:..,..:;.;!!?L�:�.:COhdPt�I}.�Y,:�`A�JL�Ailil�z��30GRAM`S7�'r -::�;,:�:
,.:::..�r.�•w,:d.d:.•"'...s:�.uwazoS.co:wt�w�f+.Rk«.+}.a:as.uw.:co:�:«:o:wu�.:«.�.ac:.;w::.......;�:..:co-...:w::�...ax:..�:..o...w:,.�.r.�,;v�«cw:.:.a.;..:,,w::::.w.:.o.-a..•::.,:..:c;..,o:.-:;:....�.::.�:;`.o-.:».�.:.>..::.::�::i:<.. .,..w:x�wi:i-:::::•a>:::�a.cw.ud.�„a�:-.::aadiwL::;ii
Location/Tiacking /nfo: 1/4 SZ T�3 R� Parcel No. Type
Basin fr Council Dist� DIR Ref/Chg No: City Field investigation needed?
Piat -�ame: Block No: Lot No:
�on laken: Assigned to: Tumed to on / / Initials: KRQLL ���
THOFIAS BROS �'�EW� �! Z 7•�� DATE CLOSED: �' J�/�� OK'd:�
OLD: �5 �2 � �
��.�, s�,lq3 � �rJ�o Dn�s �o�l�
_ �T� /�
�1 �� �D���� ��'�
- ��.. ����.L, v �1.,.,��nnll �J�'I�II�Q
NOISI/11O 1N3W3�Jt1Nb'iN_a31HM 3�b!�ar1S �l!N
- �--- - ���t�li�
KING"GQU . -. .� .'�'r� s__ _..
DRAINAGE INVESTIGATION REPORT
� � Page 2: FIELD INVESTIGATION . _ . . - /
�... , ., _ . ��:-�YPE .- .� _ C�
F�e Name: �,/,Zl� �1'i- i�l/, -��1 File No.:�� ��/Z3
�� c� ��l , � _,
Deta�ls ofJnvestigation: Date of Field Investigatfon:�/�� Related Investigations: g3-0086/Simon.
Met-witti���1r Coziol .and .Bakamus and wal ked the problem site. Recent heavy_rains apparently ov+
�taitefi ti���8"ADS drairi the property owner (Simon) put in recently. Water went down� the'•ditche:
dug ,on the east and nortt�ropert�+,lines causing erosion in th� ditcF`es.;and filling ;a drivewa;
�'"-�cros�s�culveh�; causing water� to�overtop the private drive and `started to� erode the R/W at th�
roadside ditch. It was painted out that the east and nortt�litches were dug on other peoples
property_(Bakumus_ on the_north-out of__town_ov�per.on the=.���t��__.__. ___ _ ,______ .:____�. ___ __.____..__.
Photo �l) Looks nortfi and westerly from SE corne'r of cleared lot. Orange dot at left is inlet
_ - . .8" ADS. - . - - �
, � . .� 2.)_ LooJ�s south, along east pr.op�.rty line a� :drainage ditch�: Lot marker seen� mid-�ight:%•�
- - � 3)� �hows. ditch on Bakamus property draining to west.
4_� lli:�w of di tch and si�t depos�i t �-by dri veway cross cul vert�('near red dot).� ' � � '�� "�
5) View of natural drainage swale. - _
- 6) Shows� erosi�on on private drive west of cros�s culvert. � ' � � ' � �
7) Looks, north on _148th where, run off.-from private,drive to 10202 eroded section.af ro�
sliouTder. ' - • _.. . _ _
� 8) 8" ADS outlet to ro�ked. roadside .uitch. • . , _ , ��
9) Looks north on 148th wnere 8" drains to ditch.
_ . , •�lOj_Shows seepage from soal that looked like oil with bl�e sheen to Water: No petroleum ,
smell noted.
�_ _ . . , . . . . . , • .
: . , , . . _, � . . _ _-• � � � -
_ . I- - - -
Sketch: �z����,,,� , . , _ � .
�- �\ _ -- .- - _ . . . _ . •
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Date of Report:�/ $ /� By: �,Q�� f�-c��.l��- �'
w
Complainant not�ed by Cf by ✓phone _ letter _ personal contac� `�'��'^9j• s?'�` e ''"'�` �• �a�
����,.� e�, .��n�s -�..dd?;r
_. � KING COUNTY S�VRF3L'CE WATER MANAGEMENT DIVISION �'
DRAINAGE INVESTIGATION REPORT
Page 1: 1NVESTIGATlON R�OUEST TYPE
PROBLEM ���M��=- . �
red by: Date: Zy l OK'd by: !� Flle No. Q _�
Received �iom: (Pt�as� print p►ainly tor scanninp). (DaY) (E�e)
NAME: ��rn(�_ �:/�.(2�,,� PHONE Q�Z�-�?'j(1U
�
ADDRESS: � (�ZZ� ��{�� �C �, Crty State Zip
Location of probiem, ff ditferent: CHAP,GE � ,
Detai/s of Pioblem_ �
gw� -�M � 93-6��
N�II,�}6fJQ 'S Run�F �� r=t..DOf�l•�6 "fNca2 P�C�°'`Ty
J
R�c-�r�� eo,"o�.9;� 13 -or--t,�Z s�zro.�/
a
�
� ,.;v--J�t�� �L� .
� ,
�
other agencies involved: (Give details) �
Reportedlmpacts: # Propenies: Dates/frequenc
Home �
Access road
_ Septic system
_ Outbuildings, garage
Yard/landscaping
_ other property
Stream, lake, wetland
Commenfs:
r►�• . ..r r �rtr � e�ewee��w�e�eee�tt �Z rrn- r i - r.r R rr �rar� � � � r••�
?O£�CDM?L=7�D aY�s.??.�IAINT PRJG=iP,fJ!Sf�,rr : ... ::;;.:<..4,:.:,,.�.,:.::...«.�:H:�:..
::�.:,�,,.,,.:....�...:w.:>.,::t:�:�,:.,;.:...:..�....::f�:<.�,;,;>.,.�...,..,...:.� . �..., .....,�......... .....::..... ...:.....,>..:.. ..,.......x..>....._.,._H,M:.:.a...,,:�;>:�.:.��,...;�-<�,.;;�......w�,.,..,.:-.::;:�,:,:,.,w.
_ocation/Tracking /nfo: 1/4 S 2 T�R 5 Parcel No. �Z�3� —q�� Type
5asin�� Council Dist___�__ Din Ref/Chg No: City Field investig2tion needed?
P�at �ame: Block No: Lot No:
4 taken: Assigned to: Turned Io on / / Initials: KROLL
THOPIAS BROS �'�FW= �27 �5 DATE CLOSED: /! / S / %� OK'd: ��
OLD: 35 �� �
' M $� �al .``;�'
,-/' r�irvv�� . . ...—• •- - -
DR.AINAGE INVESTIGATION
_ Page 2: FtELD INVESTIGATION TYPE ' ''
_�
F�e Name: . File No.
. Deta�7s of/nvest;yation: Date of Fleld IrnrestigaUon:�/ � /� Related Investigations:
?ro�erty to the east of thP Simon's has been cle�red of brush. Slo�e in this area 1g
from SE t� NW and would naturally drain towards the S?mo� �ro�erty. There 1� elso e
ciitr..h behind properties to the snuth that drains into a drainaoe system built bY th���rt
Simon's to drain to the ditch on 14$th. In speaking to the Kozinl '� and ad�acent prtl, Y
owner that did the clearing,. the p��rpose was to clear thP br��sh and Plant gr�sS for n
pasture--no �radina. • � � �
� Photo 1) !ooks e�st over the soutn end of tFie Simon foundatior! toWar�s cleared �r���
21 Lonks SE over foundation at additional clearPd area.
3) Looks s�uth alnng rear of adjacent propel^tv owner where ditch enterS S1mon'4
drain system.
41 Lonks west towards 148th.
4A) View fro!r! clearPd area aver Simon Conttr�►ction,
5) !ooks east towards foundatinn from ciitch where ba�k y�rd �Ira�nage enters rr►A4
�iitch.
I� � ____--....
� Sketch: /��� �',,.,.J� s�r:� .
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F'= ="__ _ —'"��_�_ — _ _"'__- �
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1 j7,I c�` �
i t
Date of Report: /� / � /� By, G /
Complainant notified by ��$ by -�phone letter personal contact.
�O,1Z-q�,�� w�t �/y. /lCuv�a�'�-py� . � �r.� nnEC .
II-�- q3. 1.��+ ..�5� ... �_, . _I_ , .
r���� KING COUNTY SURFACE WATER MANAGEMENT DIVISION
DRAINAGE INVESTIGATION REPORT
PROBLfiM Page t: INVESTIGATlON RFOUEST TYPE C�
��(.1M0•dJt .
1` Received by: � C��\O� Date: f� _ 1 Q ,��� OK'd by: FUe No. c�31� 3�
0
ReCeiv9d �IOm: (P�w print_plainly ior scanninOl• (aY) ��'�)
NAME: kQ}L,Q�v� S�� o t�� PHONE'SZ 8�Q 70p
ADDRESS:_(O Z20 /�g�` /�}.Q, S� C'rty �,�nTp-�� State WQ Zip�
Loc2tion of problem, H diNerent: � CHAP,GE �
Detai/s of Piob/em: ��O acCJ�-� �� �C�'�'" O� Tk� �- ar�sZ . S�v�e.�. Ia 1�
� 9 do.ee �o�-c.�a��� c.�s��h ��sza.A-u/�
i�an1�-� �►-�. cle,o�.:¢�cC .. t� o-we-
�o �.4U�CX� W1 1 �GiS 0� ��'`^�O �Lt�AJ�t 0� � S I+�� Pro f1Cti� , 1�
a�� � �.Leo� ah�eQe cUs� abo�:
y.e,�,�l�b�1 �e>,o� C'��e �S also C . �
> 10 «�,.�L 2.� 0.�a , �-� �s w�j��oww. u►�:��.t 9ra.�^^9lcfea,� �u'v,��a.
� l� �,,�eaC, t��e-a.,�z. Go���i rs`F,
o�.r e, be.� �s �
� SQ� �3- o8s�/ ll+� o� ,
other agencies involved: (Give details) re�'o�_6,+� .Dav�.�p�►,.�.a-�„C
Reported lmpacrs: # Properties: Dates/frequency of occurrences:
Home �
, Access road
_ Septic system �
_ outbuildings, garage
_ Yard/landscaping
_ Other property
Stream, lake, wetland
Comments:
..,. . . ...
t ■• tR ffRRRR tRlf tlRRtlRNttf •R7G��.COb1PlrTD��bY�'>LA1t�i3'P�JGi�;Sf�y�iY �'�F/i�"1 � II I►Yf'�f ' 1i��tYI7I���
......vw\.n w.wi.��.w�� .4.�.�.In.. ......�.t�w.nw..v...i.�.T.«.rwv..�+�.-:.nv:�.m.�.�n.w: ' � ' . .: . . ..... ..... . . .. .. . ..�' :::.�..��p�.::.::.: -�p:
. nn..._... n....-i.i. '....�.uv. .�-...�.�n. .v.w.}...�.v>rwv...�w.wwT-.wi>.r%'MYi.v�\�.m...vmM1v�n{:QM•M<9:An.��v..tr .<-::v.wiQv.w.Ww%�4h•it
Locat;on/Tiacking lnfo: �1lC: 1/4 S o2 To23 R (� Parcel No. Type
62sin_� Councif Dist�_ Dln Ref/Chg No: Ciry Field investigation needed?_
P12t �ame: 61ock No: Lot No:
�n take�: Assigned to: Turned to on / / Initials: KROLL
THOMAS BROS �rEW� ,��,7 �� DATE CLOSED: �/ .� /� OK'd: �
S�c `�,3-o�S� sr.�r�
OLD: 35 �� -
KING COUMY SURFACE WATER MANAGEMENT DIVISION '"—`
DR:AINAGE INVESTIGATION REPORT . '
PROBLEM ��Q/�/� Page 1: 1NVESTIGATION REOUEST TYPE � , �- . _
���'eceived by: J-� � �ate: 3�7/9y OK'd by: nQ�0 FAe Nc 94-0'77
.X/vdi�
rreceived from: (Pl�w print plainly tor scanninfl). (DsY) (Eve)
.
NAME: �Q�'C�I S/r»4i'I PHONE �a8-9 700
ADDRESS: Ciry State ZP
Location of problem, if different: ;.�a a�B �U�� � S� CHARGE # . '
7
Details of Prob/em: � B 9�R r� r 8 , i
,Qvi/oli n� a r�ecc� h o.»e, �h e y l�►a v� '
7-r�ed �fO o�� ver-� -�h� D,QNG 4way �'�m
The. .�.o�-. Tl�� �Or�.ir��,ye sys-�em i's .
Sf�i� nof- ad�uafG er�ovyh . Gv�a t -e�se
eQn She d�� '
� u�oukl
L�j�cr -�-0 m e�f y°" o n S i te.
other_ agencies involved: (Give details)
Reported lmpacts: # Properties: Dates/frequency of occurrences- •�e� by��
_ Home 93-�-�ys'� �
_ Access road �y
_ Septic system �'
_ Outbuildings, garage 9z-
Yard/landscaping q�_n� '�o-u�'
_ Other property 90-8�q�'s
Stream, lake, wetland gq_""`�'
— , �-no�t.2�
Commen ts: 9 7���
1tRRRRRtRRRR lRRRR"�1RRMtRMRMIR4RR4tIRRM'RRlRM�`ll1a�LLIYIr�LI�'1JS���1Y1 T_f)Vl7rV1TYl Jl�l1�T 1raY}^�ftiYrfYfaY �f'f�".If /1/- !lf a'Y f IYf R �ffiI�Y11
. . --.�nwV:Ani�ww�>�(w'viAYr
.. ..w..:d�>+Cv.J..w.v.�MfA'Nr�vrJPir.i�T..r.w.�n.Avnn�K�nv_.w1.Aw.vw.�:.r�._.:tiv ..�..-wx�.�v: +n......v.vr wna.�i.v ' .�.a..... .�..ri...N �rw.r.....v ....�imr.w+.T-�.i..m..v:..�n...v.<w�T...i..ewi.W�T.�..���..n
LocationlTiack;ng /nfo: /Vi�(� 1/4 S�T o�R 5 Parcel No.daa305'qp g�] Type
Basin_� Council Dist� DIR Ref/Chg No: City Fieid investigation needed?_
Plat�ame: Block No: Lot No:
tion taken: Assigned to: Turned to on / / Initials: KROLL U�� w
THOPIAS BROS �`�Ew= ��,7 A,5 DATE CLOSED: ���� OK'd: �� , '�V'T- PR�OB r
OL D: ,3�E 2 }�o ND A ��c�,�, lo p�..e.�,,�- e�,d`,,o�- �"`"_`'"`x G`�`���
r
���' " ��oi� �hO�e�w.� t�tn�.�"��cc� c h�}�. 9 3,
.:.�-- � _ . . . .
�
`--� KING COUNTY SURFACE WATER MAr?�A�� .dT DlVISION
DRAINAGE INVESTIGATION REPORT C
,�
Page 1: INVESTIGATION RE�UEST Type
Received by: J'� . Date:6-� _ 9'�/ OK'd by. Flle No. 94_0476 .
Received from: (Please print plainly tor scar►ning). (Day) (Eva)
NAME: /�qq�/y /Y>ctxi/)L PHONE yS�J-39S9 �3S,7S
ADDRESS: /O a I '7 I 5�7 r' itdG SE City ��{�,� State rp 4'$O
Location of problem, if differen�
Reported Problem: s/�,� w�fS +� C.�ar1�, .f,�� .�(oc�e� O�
Sur�-CrCc t,vct..-f� Flocvs, � I/aca.r'�t P�P-�y
nex-� �o I-,er �c.o f /s Go I leGfi�r� the cc�a�'�'
rur� o-�F, Sffe c,�ould /;,C�- -� enc�ose t-tie�
h�.r ho�s�. Sh�e. �as dra�.v-�
al�tc� vp aboc� h� �C �n9 cur�e,rrt'I y -
q c�l tagra.�» ��ache�d>. ShG �s go�ny to
Y-�ns. �Se2 a-�Fax. J
b�y -4-h� Vac an+- h.o f:
Plat name: MAy r/u//e y Co-ap �,mv.��ty •9dd Lot No: /6 Block No:,2,
Other agencies involved: No Fietd Investigation Needed ���
�
. ..:..:.:. ......:....;.._._:.... ...: ,. .
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..:<:.x:.<.::...: ..... ::..:........... c���.corj►,� .:���:: � . .:.... �..: . -�::.:. ,��#:� :�� .�*�
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:...::..:................
..... ..::..::::::::...:................... .. .. ...... .:..�'..�.�.:. .. ..::s�... ...,._.
....... n:._::._ ... .:...... .. ..... ..... ._..._ . ..:......: .....................
.......... .....:...
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r...,c .........�a�.... :::..:..;...;;�:.::�'.;:;:
.. .. .r.::......:..:.:...........:��.;...,-�..•
""..,._....f.w..............v..t,r r..ta:...........i•r...:..s.,.v.:.,•:.:.�.�`,�;,��-::.::�:z�.,-..,-.,...,-,-.::...;:. .;. ..;,-. . . .......
•• . �.n.w.w.....rrn..Wi:r:i}iF}+.\O:J.iM'�+ri•�i<•%:'.•:Yi:C".wuir:�.{�::ii.'ri:<�:JC-:�i.�iii:`v:v:ti=iii'4%Fi:Yi�i%-'r3:iTii.'i.TR::•'.TnG'r:sr:%�k
/✓� 3 23 S Parcei No.,s230a0 O!60 Kroll Sd0 E Th.Bros: New �26 �T'�5
1/a s T R Old 35 OZ
Basin /�f f��/ Council Dist �•2 Charge No:
--------------------- -----
RESPONSE: Citizen notified on �z 2 �� by .T� phone� letter _in person v
�Pe�er�-��! �, DOE,t F'o.P �4/kl usc
per.,,.•t fl/so Ccr//eo� �Qoac�s � `iav� ,
th� d�fch on �e eaSts�'o(� o�' /ygN' sT_ cleqnecl ovT = .�e.�- n�a.ir�nG
Kno�:�a +-�a.+ she wo�,�.�d need a p�,rrr„-{-� cv�d fha+ �.c�e. �o��d NoT'
be. �:�v esfii�-t��r�9 ..�.t�i 5 n�a-+'t�-
DISPOSITION: Turned to on by OR: No further action recommended because
Lead agency has been not�ed:
problem has been corrected. _No problem has been identified. Prior investigation addresses probtem:
See Fle#
� 'rivate problem - NDAP wi!!not address because:
Water originates onsite and/or on neighboring parcel Water originates on KC Road
_Location is outside SWM Senrice Area. �iOther (Specify): I N{�c���j�L.�/
DATE CLOSED: � /o`Z��� by: ��� �`� �Q-XI►+,t� t�,/ i v�v��.�/(��td��u.�j �
J
Nul5lnlu llv�Yv�;�v�vv�� t».1.v�v� �.�v�ai i� niiv� iv.� v�v�n
�
KING COUNTY SURFACE WATER MANAGEMENT DIVISION �R F�� �'.
DRAINAGE INVESTIGATION REPORT
� Page 2: FIELD INVESTIGATION .
�:: ;�; ._ .
�etails of/nvestigation:
The area of.concern has a slope from SE to NW. The roads are shoulder type with open ditches and x-tiles. There have
been recent complaints regarding drainage that flows to the lot being inquired upon by Ms Nagel. There appears ta
be a large area that drains to the ditch o� 148th upstream of the x-tile that drains towards the Nagel lot. Concerns
had to do with quantity of water and siltation from clearing and construction. The x-culvert on 147th by the Nage!
residence collects water from the drainage under 148th, the ditch on the south side of 142nd and west of 148th, plus
some run off from the sloped a�ea between 147th and 148th. The ditch draining to the x-culvert under 147th is grass
lined and mowed, providing a sodded ditch. Did not observe siltation or erosion in the ditch or at the outlet. There did
not appear to be a disgnated sVeam as su.ch at the oudet and thru the vacant lot, but there was a difference in
vegetation coloration as if to identify moisture.
Photo 1) Looks north on 148th from driveway leading to 10220. May Creek is just prior to end of road.
2) Looks south on 147th from 102nd. x-tile is in first part of ditch.
3) Reverse view where x-tile is at hole lower right.
4) x-tile outlet is at buttercup line between two posts.
5) View of lot of interest by complainant.
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Investigated by 2 cX.µ/� S� Date 7 -/� -l�
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, � K1NG COUNTY SURFACE WATFR-�VIANAGEMENT DNISI�N . � �
" � DRAINAGE INVESTIGATION REPORT
Page 1: INVESTIGATION�RE�UEST Type__��
'��ceNed by. � Daie: � � _ OK'd by: F�e No.
6r-r-L� S 9S- o yza
- .reCBic::A fi'om: (Please Print plainly for scanninp). (DaY) (Eve)
� NAME: �J�1 u�i � �a�J ev C_L t PHONE v?SS— ��Q l�
ADDRESS: �O��� ��7fN ��C Sc City /�cy�f0� State�� Z�p /��'CIS
Location of problem. if differenL
Reported Prob/em:
CL/¢'SS ��� S�iE�EI�/Yl �/l�t✓c�-SCS �O�P�/•tJ/tlVTS ��c71��
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Plat name: C a.f�m G/� Lot No: 2. Block No:
Other agencles irnrolved: No Fleld Irnestigation Needed
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SE 3 23 � Parcel No.l�76yo oozo tcrai SaoE Th.Bros: New ��J'S
1/4 S T R Old 3 S OZ
Basin� CouncA Dist /2 Charge No: �� �� �s D���
RESPONSE: Citizen notified on �l�S�by �phone_ letter _in person 95-a yo3 iy>oi .�
�-�,�� C..�t-wC,-i s. ��n vl� `t� L�-�or-w� �^�e.r- -4�w.7 ��n,S w r u �¢.. S�c�.� -�o '��c:.dV�
��,�w• ��. c..losr_d �o Al�+4 �
DISPOSITION: Tumed to�on �- ��1�fby OR: No further action recommended becausi I'
Lead agency has been notfied:
_ Problem has been corrected. _No problem has bee� identified. Prior irnestlgation addresses probiem
See Fle# •
Privaie prob/em-fYDAP will noi consider because:
Water originates onsfte and/or o� neighboring parcel
_Location is outside SWM Service Area. _Other (Specify):
DATE CLOSED:�f�_�by. � N��--�
�� • KING COUNTY SURFAC�E Wfl�'ER MANAGEMENT DIVISIOh
ENTER [d:)[path�fi lenamel.ext7� S�Ac��E���IGATION REPORT (� '
f�� Page 2: FlELD IM/ESTIGATION .
Deta�7s of Mvestiysdarr: . '
complaint 95-0420 DONNELY, CLAUDIA
Investigated by Doug Dobkins on 5-3-95
Meet with Claudia Donnelly and her husband at their home at 10415 147th ave southeast. The Donnelly's arc
concerned about the small creek that nms through their property. A class III stream runs along their west property liae,
Mr.Donnelly thinks tbat upstream development is causing some erosion amd saturating their property. I took Mr.
Donnely on a tour of the area to show him what is draining towards his property. There is no new development
upstream of the'u property. The drainage basin consist mostly of grass and pasture. Most of the 6ouses are located on
large grassy lots or on 5 acre tracts. After driving the azea with Mr.Donnely I didn't see any violations or problems in
� this area with the drainage. The Donnelly's live in a low area were water collects in a small channel and drains to May
Creek
The other concern of the Donnelly's is a new plat that is going in on the north side of their property. Th�s plat is
actuall located in the Ci of Renton. There is a oudett ditch on the northside of the neighbor to he northwest which
even y drains to May Creek The Donnely's want to lmow if this water is being accounted for by the New Plat of
. I said I would check into this for them. I explained tl�at the county has no authority rner this plat but I would check
on the plans.
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1MYF�Y
147th ave se
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ti� �^�
Irnestigated by Date
l0/09/97 11:9� ZS'Cuts '[u5 baua n � r.at,� urri�r. -►�+ uiv�c �u�c��uc
.s
___- ,� 03�.
/��A ,
f V v! . OCT 8 - 1997
�--. ��h-�����_r
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>u^� _
�'rf J��.':t, S�e�-
10415 - 147th Avenue SE ':'-`=='=r��M.����
Renton, WA 98059 ����c-•�a
Octobec 6, 1997 x ` .- .. .
^e�,r����s::��- :��=:e,�
_... ' ..-•.�,fr._�_.y r_F��.�.
j::51• . ., .-
�° ��:,�<?f�i
Kng County Executive Ron Sims �=1�-
King County Court House �; -rF}, /w(3 ,
Seattle, WA 98104
Dear County Executive Sims:
� � PC�a.�. �'�
it has been two weeks since t sent you my first letter. I haven't heard back from eith`�e Q��_�
you or any one e lse, so i figur e d I'd wr i te again. I ma de a copy o f t he vi deo tape o f
Greenes Stream #rom March 19, 1997 and need to know 'rf I shouid send it to you or
someone else_
�
Several yeat's ago, when Gary C.ocke was County Executive, I wrote to Mr. Locke
about our problem at that time. Some County people came out and took a look at our
stream/neighborhood probiem. 1 also received a letter from him _ . .
Please advise me if I should sent the tape to your office or to someone else's office for
viewing.
Would it also be possible to get an apology from David St John? To have him tell me
that the County doesn't care about us -- we'll on(y be annexed or incorporated in the
future -- Is that the attitude of all County employees about us? Like I said, we are only
3 houses, �ut our properiy is being destroyed and no one seems to care. We also
pay taxes like everyone else. Since we've been told that the County won"t fix the
culvert allowing water to flow underneath 148th Avenue SE to Greenes Stream, how
are we to protect our property from future f(ooding that will only be getting worse? Just
ignore lt? I would appreciate hearing f�om you.
Thank you for your time.
Sincerely,
Claudia Donnelly
�«� � � �7
9sS
P�
�_ ��
}�iNG COUNTY SUR�ACE WATER MANAGEMENT DIVISION
DRAINAGE INVESTIGATION REPORT �
' '' Page 1: INVESTIGATION RE�UEST Type
�eceived by: Date:. .��3� y� OK'd by: File Na 9'S �'7��
------------------------------------------- --------�------ ----------------------------=---------=-----
RBCBlvEd f/OlJI: � (Please print plainly tor scannin8). (Day) (Eve)
NAME: ✓0/'1�'J �ll� � �`���Q� PHONE
ADDRESS: �D�/5 ��7 � �� .S� City State Zip9805'
Location of problem, "rf different:
Reporfed Prob/em:
��� ��'�.Cti�ed L��e�
; .
,
Se�e �-�`s� � �i- °� i�
� 1G ���� q
�I�t r�,��2: CO�� ��� Lct No: � Block No:
O:h�r 2c2;scias i�voh�e�: No Field Irnestigation N2��ed
f�!1fJ"cic�
�i-> �t. -;:�iir tic,F3� ycat�ei�w-r'4 ,�tsc:x /''��;RC�/'�,v r����—J F1'-�^/'y(.�.7� /� . . (�r .��� ��A .ir�c�a�-kx 3�i ,rz�rtir -rr:,.Yr-:r�:�-,.�;
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SE 3 Z3 �j ?arcel No. /77(o y0 DOZ.�J t;�on 1���. �n.3�os: r��w<o�vJ:
,;4 s r � oid 351�<
8asin /�')��/ Council Dist �2._ C�arge No:
--- — ------ --------- ----�--�-���
RESPONSE: Citizen not�ed on by _ phone _ letter _ in person �, �„�
DJSPOS/T/ON: Turned to on by OR: No further action recommended bec
Lead agency has been not'rfied:
_ Problem has been corrected. _ No problem has been identiiied. Frior investication addresses prot
See Fle �
Prirare problem - NDAP will not consider because:
Water originates onsite and/or on neighboring parcel
Location is outside SWM Service Area. Other (Speci��):
DATE CLOSED: � � /�(o /�_� by: �p�� /,��,._ 6�jf3
� � t.� _. _� • . s_�.�5 I
_ g�r
. . - � �
D
� A(J�G ! 4 �
; UG 15
RECEIVED
. -� A 1995 10415-.147th Avenue SE
� . ,._Y Renton, WA 980�9 T�G COUr TY CUTI� ICE.
'�° ` August 10, 1995
P;;3'�3(:YiUf�':S�J;;:ECT4� DUE DA7C�
AUTHOR:
SUBJECT: �
Counry Executive Gary Locke —
King County Courthouse Ac'r�oN
Seattle,WA � RESPONSE FOR EXEG SIG.
- / � RESPOND FOR IXECUTIYE
RE: Frustrations of a County Resident �y�EWEp BY
F.Y.1:
Dear County Fxecutive Locke: -
I would like to explain to you the frustradons of a county resident who is getting answers to a
problem we are experiencing. The problems I will discuss are partially caused by the county. i
My husba�d and I,along with neighbors Steve and Mary Keech,live along and at the bottom a.
Class 3 Stream --it has no fish in it and is dry part of the year. The oounty(DDES and Surface
Water Management)considers it"Sensitive"land. Last winter we had very bad erosion
problems. Above us on 148th Avenue SE a property owner clear cut his 5+acres.The stream
runs through this property. We are getting run-off from his property. Another property owner
(Blacl:mun) lives at the comer of State Route 900(Renton-Issaquah Road) and 148th Avenue SE.
Over the last year or so, he has been clearing his property(which he has every right to do). Now
we are getting additional run off from his property. The county's part of this problem comes from I
the drainage ditch down 148th Avenue SE. Half way down the road;a culvert diverts the water
, � under 148th Avenue SE and into our Class 3 stream. Now there is even more runoff water for us.
In addition, there is runoff from a City of Renton Development called Summerwind. The City
doesn't even acknowledge that this is something they are to take care of. The water is coming
down the hill and eating away at the property(in King County). Eventually it will affect us. And
in the long-run, this sildwater/debris runs into May Creek. '
Last April,just to make sure everything was done properly,I called the Surface Water
Management paople to see what could be done. They came out and investigated. Last July Alan
Meyers of SWM came out and again looked at our problem. Because we are only 2 home owners
affected by this stream that have complained,nothing can be done. We were told that if a property
owner's access to his home is threatened or a home is threatened by water/flooding, then
something can be done. Earlier this week Mr. Blackmun was doing some additional
grading/clearing of his property apparently with no pennit,so after'talking to Mr. Meyers at SWM,
I called in a violation. I got a call back from the Grading Department and they said that what he
was doing was Iegal and no permit was required. How can it be legal? We need a permit to fix
our stream and he dcesn't need a permit to fill it full of silt--it's the same water. Our property is
being partially destroyed by the people upstream from us and we can't stop them. Mr. Blackmun
wants to put a development on his property and we are writing a letter to the Planning Department
to express our concerns.
It is going to cost us$500-$2,000 to get a permit from the county and buy materials to Cix our
stream only to have it destroyed again next winter. It will cost more for the permit than it will to fix
the job. We pay taxes to the Surface Water Management System, but we can't use the funds to
. q. ,/� � P. .� a`� -� • �r-
r�
help us. _ We were also told that it would take 3 months for DDFS to review our application before
we can even start—if we get approved. By then,it will be the middle of winter and the rainy
season. We will probably have more problems this year. I know that everyone is just going by
the rules/regulatioas that are on the book, but this is frustrating. Will the county ever help us? I
doubt it The records from SWNt will confirm there is a problem.
I was told by one of the county employees that the squeakiest wheel usually gets greased. I will
continue to complain to SWM, the City of Renton and whomever until we get help. All I get from
various officials are comments like, "We don't have enough money to help everyone. If you had
more of a problem,then we might be able to help you." "Maybe you.should get politics involved."
What dces it take to have a real problem?
I would like to invite you to our house to see what the problem is.The people in SWN1 realize that
there's a serious problem, but their hands are tied. Maybe if you come out and see some of the
problems of us"iittle people"maybe then someone in government will help us and others like us
instead of the"bigger fish". Maybe the money to be voted upon for the new stadium should go
� instead to helping people with drainage prob(ems. This is a lot bigger problem thai keeping the
. baseball/football teams in town. -
Thank you in advance for listening to my frustrations.
Sincerely,
,
; l
��-��f���/ ` JY�r�-�
� Claudia R. Donnelly
c� Mary and Steve Keech
�� Councilman Brian Derdowski
' �T � I
��
KING COUNTY SURFACE WATER MANAGEMENT DiVIS10N '
DRAII�IAGE INVESTIGATION REPORT ` �
•�� � Page 1: INVESrtIGATION RE�UEST - Type � I
•
Received by: ��O Date.. . ///�5 OK'd by: Fife No. q
—___ _____�_____ ---_-____-____,� � ____ _ ___________��__o__��
Received from: (Please print plainly ior scanning). . (Day) (cve)
, . _---
NAME: C/Q��Q/ �- �D`J/�J��IL� PHONE '
ADDR�SS: �O T�5 ��7 � ��� s�. City �C e��N State Zip�
Location of problem, if dif�erent: �
Repo�ted Prob/em:
� �See �-��h� �.���C'�..
. �
=��i ra-=: C0�/l� C-ll� Lot t�o: � 31ock t�'o:
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Sasin�/a C�uncil Disi �2-� Charoe No:
R�SPONSc: C:iZen notiiied on by _ phone_ letter _ in pprson -�5_Orl2/'1
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DISPOSITION: Tumed to on by O?: No further action recommended bs
Lead agency has been notnied:
_ :robl�m has been corrected. _ No problem has been identified. Frior investio�tio� ad�resses pr�
See =ile �
_ Priva�e problem - h'DAP will no!consider beczuse:
Water o�igin2tes onsite and/or on neighboring parcel •
_ Location is outside SW��( Service Area. _ Other (Speci��):
DAT� C!OS�D: �_�_��� by:
--� C%�-s��
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King County �
� Department of Public Works
Yesler Building
400 Yesler Way,Room 700
Seattle,WA 98104-2637
(206)296-6500
December 27, 1995
� Claudia Donnelly
10415 - 147th Avenue Southeast
Renton, WA 98059-4213
Dear Ms. Donnelly:
Thank you for your letter of November 19, 1995 informing me of your concerns about Green
Creek. I apologize for the delay in responding. The flooding of King County's major rivers
- at the end of November drew staff inembers away from other duties.
I would like to clarify Mr. Gettle's comments to you concerning the sediment leaving
Mr. Backman's property. The Surface Water Management (SWM) Division's process for
addressing this type of problem is through the Enforcement Program. . Since the SWM
Division does not have the resources to address all enforcements, they are prioritized to best
utilize the resources available. As you can see on the enclosed Enforcement Prioritization
System worksheet, the Enforcement Program does not address impacts to private property.
(Private property impacts are addressed through the Neighborhood Drainage Assistance
Program (NDAP), which I addressed in my previous letter.) The initial step in the Enforce-
ment Program is to contact the owner of the property on which the violation eusts and ask
them to correct the problem. The Backmans have been contacted by both SWM and Depart-
ment of Development and Environmental Services staff and have been cooperative in imple-
menting and maintaining Temporary Erosion and Sedimentation Controls.
When Mr. Gettle referred to the problem on your property, he was referring to the cloudy
appearance of the water flowing through your property. The only identified problem
associated with the suspended solids in the water flowing through your property is an aesthetic
one. The particles in the water will not settle out of the water until the water comes to rest
for a long period of time. The particles do not cause additional erosion, they do not pose a
hazard to wildlife on your property, and they do not affect the capacity of the channel on your
properiy. Although aesthetic problems are real problems, King County does not have the
resources to address aesthetic problems on private property at this time.
SWM personnel have spoken with Paul Lumbert of the City of Renton Public Works
Department. Mr. Lumbert indicated that he had not actually spoken with any King County
��
Claudia Donnelly -
December 27, 1995
Page 2
employees regazding the County's policy of worlQng in potential annexation areas. Rather, he
made a general comment that at some point King County would stop worldng (and spending
money) in an area that had been, or would soon be, annexed. In general, this is an accurate
statement; as I indicated in my last letter, however, the NDAP will continue to work on a
project up until the date of annezation, at which point King County will wait for direction
from the new jurisdiction on how to procced with the project. Mr. Lumbert also confirmed
that the drainage facilities in Summerwind Divisian 3 have recently been maintained and are-
functioning as they were designed. I regret any confusion created by a lack of�ommunication
between I�ing County and the City of Renton.
King County personnel are aware that Green Creek is a tributary of May Creek, and the
SWM Division is curnently preparing the May Creek Basin Plan, which will be submitted to
the County. Councii and affectsd cities for approval in 1996. The Basin Plan is a comprehen-
sive study of the May Creek basin and includes recommendations to improve water quality,
improve wildlife habitat, and reduce flooding in the basin. The Basin Plan does not contain
any recommendations for Green Creek and does not identify it as a significant source of
sediment or suspended solids.
Thank you again for your continued concern for Green Creek and the May Creek Basin in
general. SWM has many volunteer programs for people who are concerned about the water
resources of King County. If you would like more information about volunteer opportunities
at SWM, please contact Anne Bikl�, Cedar River/May Creek Basin Steward, at 29fr1908.
S' , �
P Tanaka
�
Director
PT:bec6o �
Enclosure
cc: Paul Lumbert, Office Engineer, City of Renton Public Works
Jim Kramer, Manager, Surface Water Management Division
ATTN: Dick Thiel, Manager, Engineering and Environmental Services Secdon
Anne Bikl�, Cedar River Basin Steward, Watershed Support Unit
._� —
. � _ '�-�,
KiNG COUNTY SURr=ACE �NATEr�t- tv1ANAGEM�NT DIVlSION
� ,
D�ZAI�AGE ZN�V'�STZGATION RE:PO�ZT
� . � Page 1: 1NVES7IGATION REC?UEST T)'Re i l/-
Received by; . . Oate;: .�,` � Cl OK'd by:�_."1%` �' Fi1e No. �'�_f�Z
______ �----- --------- _�_�_ ____-----------_---------w�
ReCelVed (�om: (Please print plainly for scanninp). (Day) {Ev�)
- NAM,c: I�l�-�� W�S7 �i7 . . PHONE�D �'90 /�
ADDR�SS: � �7�0 �7 �� ��%'�U/`-�S(� /�A . - City. ��'1�/V State ?ip�
_ _Loc2lion of problem, if diuerent: _ � �
- ------------- - __— ---------------------
_ Rsporfed Problern:
i�?�;�0� l
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- ��s;� n'1Y�� Cc�r.�;l �ist 12 C7�,a� t�o:
��SPOn�S�: C;,iz�n notr�� on �Z�qL b�+ � ph�ne I<«�r �in psrson - �
. /��'f M�s�� c...,.���Or- �,4.�•.�,, c.lfls.�.. �'�I�c . f2oc.�t ,'s �.n-�..,�-�-.�C �Y
� -�. 5�._ _v f C�145 L,,:,y�n. 5�ti f � C.�s�cm-�,i-- �n,��.,� �-�r�- t�os��5 .
D:SPOS/i/ON: iurned to on by O�: No fL�her �ctian reco.�mer�d� i
� !e�d 2cency �2s b�n� ro.+�ie�: ��.1,c . �p� - __
_ :'�O`J�?iTl t12S b�2il COr;ecte,�i, _ No pro�lem has b�en io�n:lilEd. �CIOf 1i1VESilGcil07 c:.:i�SS2S �
- Sfe :ile F
?riva;e probl�„r - ND;� will not c�nsid�r becz�se:
�'�'ater o�ginztas onsite a��d/or on n�ichboring parcel •
Location is o�rtside S'JJ�.7 Service Ar22. Other (Spaci��):
C i'-1 T: C�l.'S F✓: I� �� / � /� �i7:�' / �/'1� n � . � .
- _ _� _........ + �
_ v 3K_
complaint 9fi-0143 Westing, Kate
Investigated by Doug Dobkins on 2-21-96 �
Mrs. Westing lives along SR900 and is concemed about the runoff from the
roadway impacting her home. There is no street drainage in front of her home
so the water runs from the road frontage of the propecty to the west to the
Westing property. It appears the water ponds in the frontyard and driveway
against the house. Also contributing to the problem is the downspouts don't
connect to a system so they flow into the same low area as the �oad runoff. It
appears when the water gets high enough it runs towards the neighbors to the
east. SR900 is maintained by the State. { will confirm that this road is not
maintained by King County. If maintained by King County then information will
be forwarded to King Co. Roads. SR qoo �s ►''��•.���:� by �N^�- ��•
� w :1� L,�tr�� �•�c �J i� L,�ts-�-:tn� . � �—�
V ��
E-�A7
t�at�vvEs�xrca
PONou+c
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i � ` y
� SR 900
�
_
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; . �
� "— KING COUNTY SURFACE WATER MANAGEMENT DiVISION ',
� DRAINAGE INVESTI�ATION REPORT
- Page 1: INVESTIGATION�RE�UEST Type �_ III
Received by. Date: 3//3�q� OK'd by: File No. g� — �5�
Received from: (Please print plainly for scanninp). (Day) (Eve)
NAME: �Dhl�,��LJ� (�lCGLCGC,Ll�V PHONE
ADDRESS: �O 7/J� /�7 � ��� s� City �-��� State�p Zip 9�Q�
Locatian of problem, if different:
Reporfed Prob/em:
- �'�r. _ �7l�G�L -"`
,
Plat name: CD � /v� C'��� Lot No: � Block No:
Other agencies involved: No Field Investigation Needed
(InItlals)
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S F 3 2 3 5 Parcel No. � 7 7��� d� 2'O }Croll ���� - Th.Bros: New��o �`
1/4 S T R �Id �� ��
Basin /7'J� Council Dist � Charge No:
RESPONSE: Citizen notified on by _phone _ letter _in person
D/SPOS/T/ON: Turned to on by OR: No further action recommended becau:
Lead agency has been notified: .
Problem has been correcied. No probiem has been identified. Prior investigation addresses probien
See Fle# -
_Private problem - NDAP will not consider because:
� Water originates onsite and/or on neighboring parcel
_ Location is outside SWM Service Area. _Other (Specify):
DATE CLOSED: �J�/ I G; by. � '1-�*r� L�=-TTL-�Y,� S %�N-� � �',d n n -T �
f,.�...-_—Y..... _. —�-� _ "'- . . ''�{'�"i.,:�2:.f. � ��t�1i:�� • t �'�f`—j,':v.r.`t`je�.ti.�.�• �� .�i: . . ..
..'! - L�i���.�.1.��Y�. .� �_ _ '�.l., �'� 1 __�.. � . • _ L,
�� !q/y
_ E��J�� MAR 9 �896
REG 6 at,.:IVED
1 � 199 10415 - 147th Avenue SE K�t�G COUNTY uTr OFFICE
�AR Renton, WA 98059 Tp; - � h �
���RµG���s p�AEG�� March 3, 1� DUE DAT&
AUTHOR:
'wl�� i�(�UCi-�L-S �BJECT• .
County Executive Gary Locke 1(�L�fR� / �cT�oN
King County Courthouse V�tESPONSE FOR EXEG SIG.
Seattle, WA _JtESPOND FOR EXECUTIVE
REYIEWED YY '
RE: King County Giving Permit Granting Authority to Renton F.Y�1.
DearCountyExecutiveLocke: �,C' �N�r�T���'�
I would like to explain to you the frustrations of a county resident who is getting no answers to a
problem we are experiencing. You are our top Counry official who is Funning for governor. I
would hope that you are also concerned about damage being done to our environment and the
f7aunting of rules that I have seen or heard about
Just north of our house is the development of Stonegate. In January 1995, this property was
annexed to the City of Renton. After talking to a Department of Fisheries person in November
about some erosion problems in that development, I was told that the City of Renton has a poor
environmental record. This person also told me that every time he hears the City of Renton that it .�
raises a red flag in his mind.
This development has a habit of doing work on County property without having the proper
permits. An example: At the north end of 148th Avenue SE, there is a bridge going across May
Creek. The developers had private contractors put in a little walkway over the bridge and put a
water pipe under the bridge without having the proper permits. How do I know this: I was told
this information by someone in the Public Works Departmen� This developer is now getting the
nacessary permits or intergovernmental agreement.
On February 21, a contractor employee did some clearing work on a right-of-way on land located
in this development. He then crossed over into property located in King County. This property is
also located near a Class 3 Stream. There are no erosion barriers in place --just straw. (See
enclosed pictures}. If we get another heavy rainstorm, there is going to be alot of erosion coming
down into that stream and going into May Creek. May Creek, by the way, has salmon in it. When -
I asked this gentleman if he was going to put up the black erosion barriers, he said no. Then I told
him I n•as going to call the City of Renton officials. He said,"Do what you have to do lady."-
So, I called the City of Renton officials and they gave me no satisfaction. Then I called a land-use
violation into DDES, I called SWM and filed a complaint,and I called another County office in
• DDFS concemed with environmental issues. I also talked to a lady in the land use office and she
stated that this developmendcontractor had no permits to do any type of clearing in King Counry. �
Since I didn't get any response from the County, I also called the State Department of Ecology.
On that Friday, I got a call from an inspector and she said that the County would fine the developer
for not having permits. Then I got a call the next day from this same lady and she said that Renton
had all the permits. I did not understand what she meant. In addition,I received another call from
a different DDES office who said that I shouldn't call the Department of Ecology. Well, if the
County doesn't care about this land then maybe I should call the state.
This afternoon, I spoke to someone in a DDES car and he told me that King County had given the
City of Renton the authority to grant whatever permits it wants for work on County land. How
can that be? If we did some clearing by this Class 3 stream,we would have to get permits from the
�.
• �.�
County. Plus we would have to put some erosion barriers. How are we going to protect this
stream from damage?The City of Renton surely isn't going to do so. Last Noveinber I called the .
City of Renton about environmental damage(that I had pictures o� that was occurring in this
developmen� This Renton off cial only got concerned when a Department of Fisheries person
came out to do an inspection. Who do we call to complain to when the contractor screws up on
County land? No one in the County seems to care about this land except us.
Do you also know that the City of Renton wants to vacate a portion of a County Road -- SE 100th D'�
Street. The City of Renton is trying to do this without all the necessary permits. What gives the �
Ci .ty of Renton Ehe right to do this without talking to the County? I have been told that the City►�
now talking to the Department of Public Works about vacating this road. Again, this is happening
after the fact
Sincerely,
��� ��
Claudia R. Donnelly
c�-o�.� � �cr� �-t�,Q� �,-� p�`�� �
,k a--- . .�---� . .. _.. `�
KING COUNTY WATER AND LAND RESOURCES DIVISION
DRAI�IAGE INVESTIGATION REPORT
� 7-� Page 1: INVESTIGA'ITON REQ�JEST Type _� .
ROBLEM.,' �1��i91111/�1�G%
tcECE�vID�B� �k � ��'f?��c - Date �S/!��-OK'd bv- � � F�E No �' ���EO
�-; < < r_�_� . __. � _ .'�- . _� �_ ,. _ _
Received from�-u� � -�� .�;t �,,�� ,.� = � ;__ .��: � - - — -_
,
� � (DaY) `�L� (Eve? L_�
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�-_� - � - � - �. _ k��
ADDRESS:���FG_ �-r ' ��f, �s';s ��3 t � CI�,t � '`- . State ' ' Zi - -
, ':: �.:� ���tC.��-�, '.::_ . .;;:; ,. �,�m,�.a.,: �}.. .aY c �.<e+-' S . �•-� .. . j��.� � - .
Location of problem; if diffetent. „r,����-sr��- -��� - ;�- - _ ___
_5E tsr 5-/ I� _(�1'�S� -- -- _
- -. ,T : �,�-�- — _ ,
I �: - `
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Reported Problem " c�,L Fmsr C� (Wou1d Like To Be Present) LoT'S`°;�z r 53 S>-o.��'C���
:;, _:� . . _ ,
.�� .. � _:: /�`'G��� �-u2 S�2 ��z�i�� -v,e i�s� Z�rS'.
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�, �� ." / 'rdPOS — T4' �L�/�� /1/�^X'� G*�C�i�, �je/.✓.� �?�r
� dL-�� / c-O`✓ /�,•"� �`�.v-T� ��'r'n T'� ,.�!/�FS
1/iS�T �/,cJGaN �
� � G��s. �!"✓ �`� �`�'�C �G
�/_�-xhG�,,z�/;cJ�' o�o ��' �//./�-T
�� — �a�3 L�'yl.,
,�oL�
'�: .
Plat n`aine: �p.yi,� ��,�.� Lot No:�2- S3. Block No:
�`�'��4-. � .
Other agencies involved: No field investigation required
initiats
���x+ _..�,OMP��T ,D��'O
. s..._ ,. . . :
'(v� �_ 23 5 � -
1/a S T R Parcel No.�54�` �S� -�Kroll �� Th.Bros: New ��/o S'S�
Old ���2
Basin /Vl Y�`i' Council District 1Z Charg�,No.
RESPONSE: Citizen notified on ( by: phone letter �in person
C��tJ � 1 TrE- �
C c....o�ep � clry o rL R�P�/i�nl r�o2.
� ,s�o s i�i� N 9� ,4-fO2 oy�,d� � ,� �o�v vey�trGy� -
DISPOSTTION: Turned to on / / by OR: No further action recommended because:
Lead agency has been notified:
' Problem has bcett corrected. No problem has been identified. Prior investigation addresses problem:
SEs F�#
� P:ivate problem-NDAP will not consider because: '
Water originates onsite and/or on neighboring parcel. !,
'C Location is outside WLRD Se 'ce ea. Other(Specify): i
DATE CLOSED: _ � / /f� � aI gy; ',
(�T '2e3 �,I
Complaint 99-0196 Gallagher
Investigated by Pat Simmons 03/11/99
430-7zG5
I met with Mr.Gallagher,Bob Arthur(City Of Renton),two other city of Renton officials,and two other
people&om Chaffey corporation to discuss the a flow of water across two lots of the Stonegate
development.The water comes from the East to the ditch along 148�'Ave. SE flows about 200 feet along
the road then under it and through two private lots then under 147'"Ave. SE and into a field toward the
development.The water then runs across the lots to the area were it seems to infiltrate into the ground.
They agreed that the water needed and could to be collected and conveyed across lots in a pipe.The City of
Renton and Chaffey needed to work out a few details o�'the plan before the houses could be built.
$77�R�''�
Lot 53
148th Ave. SE
� � Drainage Path
�Q
�
Lot 52 �
12"Conc �
= F—
147�'Ave. sE �_ NTS
,_�
_ . .. . ., ..,.. . _ . . .._ _. ._---=--_--__.��_: -.-- ---- ------�;:;
- -�� - KING COUNTY WATER AND LAND RFSOURCES DIVISION
' . � ""'�' DRAINAGE INV�STIGATTON REP.ORT���_>���.�;-'
. _ .� _ � -�. �::� �,
. Page 1: INVESTiaATIoxREQUEST }' r'�� ��.' �Type. _�,
" .., - _�`: _
� PROBI�ivI: ��i�G[�i . . . __ _ ,
. ; .._ � � .:. .�..
, , _ . , _;..�_. _ ..,.- _ .
RECErvED BY: �- � ' . . Date: 4•2 i•�►°t- OK'd by --�1 --FII.E No.���j=U.�Z
j-. ;Received from: � �:� _
� ' - , r, . ' } (Day) �1; ���°� � �(Eve)�=� . �:��
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- } 1`I/� t�iL���R�C.L✓�-[��� ��I/�'CiV`� , ... � rri��� . � � _ �L ;ir,s:::�:- ._..
+x� t -- . . . ..
? AnD�ss.� t�a'''tj,�l 1��1 ft����� . City._ : - State Zip
.;
. _ , . ... _ -_ :.
_. ;
; Location of problem, if different: .
� ; . .
t Reported Plroblem: cAI.L FiRST ❑ (Would L�7ce To Be Present) -
�eCi.S�i �'�i �4��Fl� �G'� .
� ' � . .
Plat name: Lot No: Block No:
Other agencies involved: No field investigation required
initisls
1/a S . T R �arcel No. Kroll Th.Bros: New
Old
Basin Council District Charge No.
RESPONSE: Citizen notified on by: phone letter in person
DISPOSTTION: Turned to on / / by OR: No fi�rther action recommended because:
Lead agency has been notified:
" Pmblem has been corrected. No problem has been identified. Prior investigation addresses problem:
S�s Fb.s i�
_ Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring pazcel.
Location is outside WLRD Service Area. Other(Specify):
DATE CLOSED: / I By:� ������� �G �
�}� �
I
I I
I
___ • "' I
. . . �_. , r .;... ..
Shannon� Kathleen �
� From: NoRon Ann I
Sent: Thursday,April 15, 1999 3:15 PM � ��I
To: Shannon, Kathleen �`�;,
Subject: FW: Citizens rights?Do we have any? �_�• I
i
---Original Message—
From: Bissonnette,Pam
5on� • Thursday,April 15, 1999 2:01 PM
70: Hansen,Nancy
Cc: Kipp,Greg;Welch,Maureen;S3ms,Ron;Norton,Ann;Tanaka,Paul �:'>�-. �._
Subject: FW:Citizens rights?Do we have any? �`'.
Nanc another one for ou. Waul I a have our draina e section coord wlDDES and provltl� a ��M��pn��? �n
y, y d you p e se y g
please treat as ccf. thx all.
--Origlnal Message---
From: - Sims,Ron
Sent: Thursday,April 15, 1999 7:09 AM
To: Kipp,Greg;Bissonnette,Pam
Cc: . 'thedannellys@infoconex.com'
SubJect: Cltizens►ights?Ao we have anY?
Pam and Greg -please follow-up and report back to me, thanks. -ron
From: Mike and Claudia Donnelly[SMTP:thedonnellys@infoconex.com�
-SPnt: Wednesday,April 14, 1999 7-33 PM �
Sims,Ron
Derdowski,Brian
subJect: Re�Ckizens rights9 Do we have any9
>Dear Mr. Sims: I found out some information today and fett even more
>frustrated with KC, so}figured I'd pass it on. I finally talked to a
>person In Renton who told me about the meeting. It was with someone from
>Surface Water Management. The Renton perso�told me that he didn't
>remember his name. Well, the SWM person said it was ok with him to put
>the pipes where he did. That Renton official also called me a liar. I
>saw work being done in KC --but by the time Renton officials got there,
>the developer had"fixed"the problem.
This is what made me mad. On 148th Avenue SE, north af State Route 900,
are two culverts diverting water from the ditch along side 148th, under the
road through people's yards and into G�eenes Stream and then onto May
Creek. My neighbors and I get the water from the first culvert—500 feet
north of the State Route 900. We have tried for years to get help from
SWM. But since we are only 3 houses that flood out, have erosion damage,
etc.,we don't counUrate. I wrote you previously about this problem. I
eventually told SWM to forget us as we were 9 out of 9 probjects. This
personmtold the Renton City officials and the developer that if the water
got to be too bad coming from 148th at SE 102nd ST. and it started flooding
the nice new homes that are to be buitt in Stonegate, that the County might
have to fix that problem and divert the wate�to May Creek alongside the
road. DDES told another lady that gets the same water and is wrecking her
property NO when she asked if she could put a pipe in to channel the water
- ' rotect her property. WE DON'T COUNT-- BUT A DEVELOPMENT IN THE C1TY
ENTON RATES�HIGHER PRIORITY FOR KC SWM THAT INDiVIDUAL KC HOMES THAT
. .�.� r1AVING PROBLEMSI!I
I wrote to the Growth Management Committee and the Committee for
Unincorporated Areas that years ago we signed a petition to help get Cedar
County formed as KC wasn't doing anything for us. This goes to show you
that we were right. We don't rate -- b��r a iar�o.+�.,^��----• •
� � ��
`°\ `° �� `�'�� KING COUNTY WATER AND LAND RESOURCES DIVISION �
.
- � DRAINAGE INVESTIGATIO� REPO�T
.,I� :`; Page 1:� 'INVFSTIGATION REQiJEST . Type � -
�ROBL.EM� ��JL�G"�.f/J _ •
RECEIVID BY��� � i Date��f�,� . OK'd bv:.� C FII.E No.-q�-��(, �
,.,.�. �_ - - -
�
�ecerved from Y � � ; � _ ` r :: - , _
,a,s Y k i - �' � � � �„� �' , . .-
- } �' - {# 4:� h,:�.: 2, . (�Y). $'1�.� , (Eve) �—.2�
;iv� �Cui�,e;��onrie�t,��� - " �-rorr��2ss �4�34a . -
ADDxEss:_��4,15r�"�,�'7�` �` c�� � , Citg ` '. State� Zip �� .
.... , -
... � _ . . - ._
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; Location of problem, if different��c,H-� ��.o_..�z,+�=t ss Kd�f4-8-� �v-e:�'� ..; ,_:, = �
, ��-: _ - _
� Reported Problem:. � CALL FIRS"T ❑.,(Would Like To Be Present) � -
Ca-�-ne�� � _ `'� P�t'_� ��,=� op�,c.�. ;,� ,� �.,�.
o�ea►� a�w�.�+ �d �,rL. : �.u�:'G�i�- �.�- o..�-zn�- .-t-�.� c,vti� .
n�:o.�,t;h-� � 1nah., lN�.c�,l.c� .c,,,,.Q dr�t,c,v�"�- �"�",'`'' a'P,�r'"°� �!-r�. .� o�. Irwt �„�u'',�``�
'r° -Y1rl°`,v�,Ch.e.e�- C�,a�..t.?cm �4r�. t��uh /`�.lofvu.d �.. Gl.it�c� � a�
� e(a�c.�.�O �v t�h,c� v-�-r,�� �N�a. d.c,�-�:o p t�,t s�� u-P �L�e J k v�a-o r►ti n.t.C�h.-
hih. h.�-w�-c . 1U-e,�d T,A-
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� �j'S - � � Qi� S� t f �o,r-c y�a,�r j��.t s�',5 a�"��.� �ai K-S.s
Platname: �,� CI � ' O��� ���5 ��`'��n�Lot No:ti Block No:
Other agencies involved: No field investigation required
initiats
�� `� 2� 5 CI97�v4o c�2�)
1/4 S T R Parcel Na Kroll�_ Th.Bros: New �Zto��
Old 35 D2
Basin�) ^ Council District 12. Charge No.
IlESPONSE: Citizen notified on G� -�-F 9 by: _� phone letter in person
(r4f'� ��Ji'�f� T1�i�.� cZ Gocr.�c� .v+.�� ,G,r„o ,t..ear4G�,,,,..r� �v.....! �v"sQ-rLF'"1 /!�'
Y'A�-�-�' /� �f/�'''�'as�a �� G9•Grr•✓s c..rzt-'�2r' 3�d.� y�t� I�y i Ta G'o.r rGcc� �`r
t�2a�s a�
I
DlsPosrr�olv: Turned to on / / by OR No further action recommended because:
� Lead agency has been notified: (�I/, �'� � C� �
� _ Problem has been corrected. No problem has been identified. Prior investigation addresses problem:
SEa Fu.B#
Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Service Other(Specify):
DATE CLOSED: I �/� � / ,� By:
/l,✓�� �-,.��.- _� ., !
1
t .�:;%+.
. . _:
�:' ' �Complaint 99-07 0 Do e �: � r - ;.
Investigated by Chris Treichel 10/14/99�' ' " } '�� ��-f-- F�- . , �s��' '� �"� = r .`
_ =�
Visited the site on 10-14-99. Nobody was home at the Donnelly residence. Went up to Renton Issaquah
RD where the construction is taking place. Talked with one of the project managers. There is a swale that
runs to the north,that ends up running into May Creek. I could find no signs of erosion taking place_ The
project manager stated that they remove the dirt from the site and fill with slurry. It is a day loug process
and they do not leave a trench when they stop work for the day. There is this type of work occurring all
along SR-900 down to the City of Issaquah.
SE May veuey r�
�y
i
Runoff Swale
approx. 1 �
mile away �
�
Area's of � �
work.
Donnelly's
Property NTS
1
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. �
ah
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ri ���. 4.,,=_aF �3���t `��+-,F4.t�-"� �i�, i''4�� w J SE.P . ; ? ��t{� ;s��J
�-j� tz' . �f i , h.- d.S'S7�4•- . .. �. j.�� ' �; 1,p'x�'S � . '^4��,��_
2OD�nLEM . � ' tK'� '�` ar '���T'�t �`�'`: P '�? f'$y� t� }'� ��'2' r � �' � '��t�'
.�«�i -�.�gT-f Sq,w:-° � fi§= .�. I�.;- -i i�z �'� t � ._ .:.n ti ti� � � ���''��j:��4r '�* � '7:::� �s+,;fi � 3� � �4, � -�
nECEIVID�Y � , z �: ��* ,,.,�,3� ate: �0/'� ��K'd b��` � �,_ Fii�No:� �� ����.
��' >` `� '�"�'��{,`v��`��s� ��2L���?��i�K?.QI�J�: ,�ty ,i, � :«�4Sp �.��#i�/�Y ������C��< ts.� 5 � i��� ;rt} �t w,-"`• .�-a.x`"'
l� Recerved`from� ��. �=.� � �-�-��; ��
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i�-4`r `t � �-.,,�.r£� �,+i*s' `fry :. �� ��.' �t - <- �:�$*� .f'*':.$' S� a � d >� � �..: � -� /�Ve z: t� K -
;-� � ���.�� �y ; r �} ''� „ �����'�y E c��s.t "t f�t r� � s y��'4�,, � .;is�'�i h���,, � '� { 'r�tt l'-' � �°�":�
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, �11�LLV.'J.7 . y � . 3� 'E -q v Y;,t �:i s�b x , p�F�l}.�r j -t � �rt'1��+���rJ a h h �' "„
� �� Sta.te � ,� Zip
a- �- 3 4 �. -i2 ��3,-`d.� t '�� u� .� , 7� � - < _ fi�'',.� ." i "`t:_ �'L�fi..��""fra��,�, r� :'.�?' ;`sY � •� i '§, u ,,, 3.�-
LQeation of problem; if d'iffer�it �� �5, �� ��LLs �a���� ,�- �� � `
� -�o�, �� Od �� �
�
Reported Probletn�'' CALL FIRST � (Would Like To Be Present� � � �� �� ` `� f� � '
�. ; X ,,, ,�, ;s � ;�
'� 1 � �fg'�- n^�� `4 s "� , ea "`� r4/� � � � ._
V� � , �i <-;:;� (/� r,' '���'�
; x . x,� . , ����4���!� i'. '. � s -.s - {�?�%��?%�._',:: -
�/I_<�O ���� � �������L!/��CJO '���� ���.�i?��/._ -tr����La���C"""� - f ..
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" �. - � .. . . . :> -; -:
_ • . _ < _-. _ _..- " .
- i;j'
,^
;_ �£ .. - -
Plat name: - Lot No: Block No:
,.�
Other agencies involved: No fleld investigation required
initials'
__ � _. - -
_
, : Q OMP T�D� �C.O � R
.s� � � �
1/a S T R Pazcel No.t�2Z�5G1D�� Kroll f�1 Th.Bros: New �a�7 ��
A _ 2 Old ?v S �3 '
Basm�� . Council Distnct� Charge No.
RESPONSE: Citizen notified on ' �' '—c� by: phone letter in person ''i
Sd-� �-.�y ra �✓swor. ',,
DISPOSTTION: Turned to on / / by OR No further action recommended because:
�' Lead agency has been notified:_ _ �- �'_ � 4 %
� Problem has been corrected. No problem has been identified. Prior investigaUon addresses problem: �
S��#
_ Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Servic Other(Specify):
DATE CLOSED: �� /��/ 9� By:
�,���f� S'T"/�� %--
�
. � _ a :_
�, _ �,,, � _.;; � ..
i ` ,�,� '?�'� :�s� -- ^`�,4, �
j_�
Complaint 99-0725 Anenymous �� � %T�,,.=
Investigated by Chris Treichel 10/19/99
Visited the site on 10-19-99. 'I'his is in the southeast roadside ditch at the intersection of 148'�Ave SE and� . � '
� SE Renton Issaquah Rd(SR-900). There is currently construction taking place within the roadside areas all
along SR-900 by Cannon Construction, installing fiber optic cables. This area was part of fho work. The
� ditch receives run off from the east,south via a swale and south via a roadside ditch along thc���stside of
! 148'"Ave SE. The water flow's northerly under SR-900 via a 14"cement culvert and caitinti�����nherly
to May Creek,which is approximately one mile away. There did not appear to be any sc��iii����� ��� the
water. The ditch does have reed type grass and straw down to"clean"the water prior to 11uwi»K ���to the
P�Pe•
Swale
14813 SE �
Renton Roadside
Issaquah RD Ditches
:-�_ > ;
� : :
♦ :
Drive and -..._......_......_._......_._._._. .-.---......_.
� <--._..
Parking
14"Cement � `4E��� �a�� ��8���
— Culvert
��ppp��laOA�
j �tllr9 U�
$�
S
�
.
�
�........-�`' �
�----�� � KING COUTiTY WATER AND LAND RESOURCES DIVISION �,�;�+-�
: DRAINAGE INVESTIGATION REPORT
. Page 1: INVESITGATTON REQUEST Type �
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NAME: G Ua1l��✓l� �Q��,�� PHo1vE 2��i -434 n �
ADDxEss: �.D415 14-1 �'` pN`�. � City State Zip���
Location of problem, if different: .
Reported Problem: CALL FIR3T ❑ (Waild Like To Be Present)
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Plat name: Lot No: Block No:
Other agencies involved: No field investigation required
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�a S T R Parcel No.�77�0��O Kroll �� Th.Bros: New
Old �C;�
Basin� Council District � C�arge No.
RESPONSE: Citizen notified on �"Z� �O o by: phone letter in person � e-.-�-a
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C�tL R=� ��1���� ��Y��:- �.:�r /�- i i�� �. �
DISPOSTTION: Turned to on / / by OR: No further action recommended because:
� Lead agency has been notified: ���� �.i��-'� ��� —
� Problem has been corrected. No problem has been identified. Prior investigation addresses problem:
S$E Fu.E#
Yrivate problem-NDAP will not consider because: ��
Water originates onsite and/or on neighboring parcel. � �
Location is outside WLRD Sernc�ea. Other{Specify): �c,
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DATE CLOSED: � / � /���� By: !:- `,
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From: .Crawford, Curt �, _ _ _ . : -_ . -.
Sent: Tuesday, February 01, 2000 1:29 PM
To: Gettle, Larry
Subject: FW: Surface water problems
Please plan to join me in a meeting with Nancy at 3:45 today to brief her on the Donneliy
problem.
Thanks, Curt
-----Original Message---
F��iin ,:Ha�rsei�,Nancy
Sent: Tuesday, February o1, 2000 12:55 PM
To: Crawford, Curt
Subject: RE: Surface water problems
we need to discuss as I'N be put on the hot seat wllrons on Friday about it. Seems like we're
taking lots of heat for DDES...
—Origina!Message—
From: Crawford.Curt
Sent: Tuesday,February 01,2000 12:36 PM
To: Hansen,Nancy
Subject: RE:Surface water problems
No, unless you want an update on that. I was planning to ask you more specifics about your
discussion with Seattle on the manual. Curt
-----Original Message----
From: Hansen, Nancy
Sent: Tuesday, February 01, 2000 12:14 PM
To: Crawford, Curt
Subject: FW: Surface water problems
Curt, I understand we're meeting this afternoon at 3:45--is this one of our topics?
Thnx.
-----Original Message-----
From: Bissonnette, Pam
Sent: Tuesday, February 01, 2000 12:02 PM
To: Tanaka, Paul; Hansen, Nancy
Subject: RE: Surface water problems
Nancy, Please let me know when and how we are going to respond to this. Please
get w/DDES as well. 1 expect Mr. Irons will be asking about this when you meet
w/him. We are scheduling each Div Mgr in to meet w/him. We are starting w/SWD �
today on their pressing issues. ,
----- g� g I
Ori mal Messa e----- �',
From: Tanaka, Paul
Sent: Tuesday, February 01, 2000 9:49 AM
To: Bissonnette, Pam; Hansen, Nancy
Subject: FW: Surface water problems
��- Pam and Nancy: fyi. Paul
-----Original Message----
From: Mike and Claudia Donnelly [mailto:thedonnelivs(a�oo.netl
Sent: Tuesday, February 01, 2000 7:36 AM
To: Gettle, Larry
Cc: Irons, David;Tanaka, Paul;Arima, Debbie; Wilson, John-Arthur;
Crawford, Curt; White, Fred
Subject: Re: Surface water problems
2-1
Dear Mr.�ettle:
Thank you for responding. However, it is currently raining very hard out here
and when I drove by Mr.Afinson's property yesterday, nothing had been done.
I will be checking the stream as soon as it is daylight and will let you know
what I see.
As I mentioned to Mr. Irons in my response to him, this isn't the only
incident that KC seemed to look the other way. Last summer,when the stream
bed (Greenes Stream)was dry, a neighbor down my road, dumped.4-5 dump trucks
loaded with top soil into his back yard. His back yard borders on Greenes
Stream. He put no erosion barriers up or planted grass- nothing . 1 still .
think there is just dirt back there. Anyway, 1 called DDES and filed a
complaint. 1 was told that because the stream was dry that DDES didn't care
"� ` about all the dirt. I called Governor Locke's Puget Sound person and he told
me to call someone in Seattle. Then I sent a note to someone in the Dept. of
Natural Resources. I got a reply back, I'm not say from whom; saying that
because KC Dept. of Natural Resources had over 700 miles of streams to take
care of(and ours was dry), he didn't care about possible erosion when winter
came. I guess we just don't rate.
And then this. Like I said, as soon as it is daylight, I will check the water
quality to see what I can see.
Claudia Donnelly
Gettle, Larry wrote:
> Good Morning Claudia:
>
> Please excuse my deiay in responding to your phone call and e-mail from
>Thursday.
>
> My records indicate you called in your concems regarding the clearing
> activity at 10730 148th Ave. SE on Jan. 14th. As part of our initial pre
> complaint investigation research we determined that DDES Code Enforcement
> has an open enforcement action on the property(E0000060). I e-mailed
> Elizabeth Deraitus, Code Enforcement Manager on January 19th requesting a
> status. Elizabeth responded identifying that the case was sent to Site
> Development Services (Fed White 296-6783)for assignment and investigation.
�
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From: Gettle Larry �
Sent: Wednesday, January 19,2000 7:47 AM
To: Deraitus, Elizabeth
Cc: Evans, Glenn
Subject: Clearing/Erosion Complaint Claudia Donnelly E0000060
Good Morning Seth:
We received a call yesterday from Claudia Donnelly. She reports that the property owner at
10730 148"'Ave. SE is clearing his property up#o the drainage ditch {not sure if it is the roadside
ditch or?) She is concerned about lack or condition of TESC facilities.
I checked Permits Plus and identified an Enforcement action, E0000060 at the same address. It
appears action was recently closed (1/13/00).
1s this the same problem? Was it closed because no problem identified?
Do I have to contact Claudia?
Thanks �
_-.,
t
�---- KING COUNTY WATER AND LAND RESOURCES DIVISION _ -
DRAINAGE INVESTIGATION REPORT. Y �
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LOCATION OF PROBLEM, IF DIFFERENT: � - �:
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Other agencies involved: No field investigation required
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l�a S T R Parcel No.,f 7�OC�'"��(�_ Kroll,��� Th.Bros: New tpo`l.(o��L
Basin�� Council District �0 Charge No.
RESPONSE: Citizen notified on by: phone letter in person
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DISPOS(TION: Turned to on 1 / by OR: No further action recommended because:
Lead agency has been notified:
_ Probiem has been corrected. No problem has been identified. Prior investigation addresses problem:
SEE FILE #
Private problem -NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Service Area. Other(Specify):
DATE CLOSED: �J la� /O j By: �S-��n�'�'�CQ x�
_ __ __ _
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Dear Mrs.Donnelly:
�� King County Execurive Ron Sims has asked me to respond on his behalf to your email transmittal of
January 30, 2001. Thank you for expressing your continued concems regarding the water quality of
Greenes Stream and its impact on May Creek I understand how much you care about the health of May
Creek as a long time resident of the May Creek basin. I am writing to let you know the results of our I,
invesrigation and what we plan to do next 'I
Staff from the King County Departments of Transportation and Natural Resources completed a site visit on
January 30,2001 to assess potential sources of contaminants that are entering Greenes stream and May
Creek based on the water samples you collected. ,
Water Quality staff in the Departrnent of Natural Resources(DNR)reviewed the analysis performed by �I
AmTech on your water samples of January 4 and S,2001. Based on the informarion provided to you by
AmTech,we recognize that oil is entering Greenes stream which is a concern. As only one sample was I
analyzed for oil,it is difficult to deteimine if the oil was from a one-time event such as an intentional �
dumping of oil,or from an ongoing problem within the watershed. "The rainfall event on January 4,2001
was the first heavy rain in over 2 weeks. This"fust flush"event would have elevated pollutant loading into
all drainages. However,we are still concemed that oil and grease is being in�oduced to the stream system,
which discharges to May Creek.
The regularion that currently exists to control the release of contaminants from residential properties is the �
King County Water Quality Code. If pollutant discharges are observed on residenrial properties,the water
quality code does allow for recommendations and technical assistance to property owners to reduce and
eluninate pollution generating activities,such as vehicle repair and increased erosion control. Our first
response to these problems is technical assistance and education. However,violations of the water quality
code can be issued to residential properiy owners if bes[management pracrices are not impiemented or an
intentional act of dumping pollutants has occurred that is well documented.
� � Although the samples you had analyzed do not provide us with data that can be used to enforce our water
quality code at one specific site,ttuough additional invesrigation and sampling,we may be able to identify
sources that would allow us to pursue our regulatory authority of the water quality code. Our sampling and
monitoring will include all areas where stormwater enters Greenes stream throegh pipes or ditches. T'hese
additional invesrigations and sampling procedures require the approval from private property owners for
access to their properties. By gaining access to private properties we can assess activiries that may be
contributing to water quality degradarion within the May Creek watershed.
We will continue to work within our regulatory guidelines and authority to assist property owners in
implementing source controls to reduce pollution generating acrivities that affect Greenes Stream and May
Creek.
DNR staff will keep you apprised of the work being completed in the Greens stream basin and the results of
this work.
If you have any further quesrions please feel free to contact Susan Clarke,Engineer in the Water and Land
Resources Division of the Department of Nahual Resources,at(206)296-8311.
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RESPONSE: Citizen notified on by: phone letter in person
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DISPOSITION: Turned to on / / by OR: No further action recommended because:
Lead agency has been notified:
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SEE FILE#
Private problem -NDAP will not considec because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Service rea. Other(Specify):
DATE CLOSED: O� //oZ /4I By:�.
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' From: Hansen, Nancy Zp p C - a ( 8(o I
Sent: Thursday,April 12, 2001 5:20 PM
To: Lackey, Brent; Evans, Glenn; Clarke, Sue; Sleight, Brian ' ,
Subject: FW: Greenes Stream and May Creek
FYI '
—Original Message—
From: Hansen, Nancy
Sent: Thursday,April 12,2001 5:20 PM
To: 'Caludia Donnelly'
Cc: Sims,Ron;Ceis,Tim;Bissonnette,Pam;Irons,David;Tanaka,Paul;Shannon, Kathleen;Moeller,Lani
Subject: Greenes Stream and May Creek
Thank you for your email transmittals of the pnst week to vnrious King County Staffinembers
concerning Greenes Stream and May Creek. I also appreciated hnving the chance to tnik with you on
the telephone. King County Executive Ron Sims has asked me to respond to you on his behalf as well.
I hope this single email will cover all of your concerns! I understand your frustration regnrding
the many issues you have rnised und the various departments that are involved.
I hope your conversation with Sue Clarke of my staff hns clarified some of the issues that are
within the responsibilites of the Wnter nnd Land Resources Division (WLR�)and the Depnrtment of
Natura) Resaurces(DNR).
In regards to your question about how King County will protect your property from flooding and
erosion/sedimentation problems; King County regulntions, specifically the King County Surface
Wnter Design Manual addresses the potentinl downstream impacts from new developments and
construction. The requirements in the Manua) use the best available science nnd technology to avoid
or minimize adverse impacts to downstream properties. As pointed out in your email trnnsmittal of
April bth, the current Design Mnnual requires wetpond designs to meet the gonl of 80 percent Total
Suspended Solids (T55)removal through the construction of water qunlity facilities. Sometimes,
even higher removals are realized. Additionally, the Mny Creek Action Plan recommends Level 2
stream protection stnndards to over detain flows to reduce flow and sediments to May Creek. The
upstrenm development (Stoneridge) currently under review by the Department of Development nnd
Environmentai Services (DDES) is using Level 3 protection in the detention and water qunlity facility
design. This protection standard is a more restrictive standnrd than currently required by the
Design Manual or recommended in the May Creek Basin Plnn.
Other regulations include the King County water quality code, which uses technica) assistance as its
first approach to water quality problems on existing developed properties. The sediment/oil you
have seen in Greenes Stream comes from mnny non point sources such ns individual residential
driveways nnd gravel roads, which King County can't legnlly enforce because the Water Quality code
exempts these types of normal residential activities in regards to these pollutants. However, if n
determination is made that pollutant discharges nre due to intentional dumping or illicit connections,
violations can be issued. You might want to work with the May Vnlley Environmental Council (MVEC)
as wel) as the Basin Steward to provide outrench to neighbors in encouraging individual property
owners to valuntnrily reduce runoff from their sites. KCWLRO has printed information that can be
made available to MVEC to use in an outrench campaign. Additionally some staff time could be made
available to provide informational workshops or mailings to residents within the basin.
�
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,�. our concerns thot 6reenes Strecm does not seem'fo be getting the same level of
nttention ns other urban streams in King County. Other strenms that you have referred to
� currently have adopted Bnsin Plans. Through the planning process, projects nre identified and
' prioritized for_potential construction when funds become nvailable. Once the May Creek Plan is
adopted,this process can be applied to May Creek.
As the May Creek Plan recognizes, the creek does have viable habitat in its lower reaches nnd King
County nnd other jurisdictions ngree that this hnbitnt needs to be protected. However, agreements
with these other jurisdictions such as the cities of Newcastle und Renton along with private
property owners must occur before projects, like those in the DesMoines Creek wntershed can be
pursued. This cooperntive effort in the DesMoines Creek watershed is an excellent exnmple of what
can be accomplished when privnte and public interests work together. Through the May Creek Basin
pinn we hope thnt the same type of cooperative agreements can be renched.
Your comment regarding King County staff caliing citizens rwmes is of a grent concern to me. King
County WLRD staff are expetted to treat nll citizens with respect and concern even"off the clock"
I mm �ot aware of any staff mnking derogatory remarks or name calling of citizens. If you have
knowledge of such incidents,I encourage you to spenk with me so that I can nddress any specific
problems. Please do not hesitate to contnct me nt (206)296-6585.
I believe your comments regarding the DDES permit file for the mobile home at 10726 - 148th SE
was addressed during your conversation with Sue Clarke on Thursday April 5th. To reiterate what
she shared with you,she recognizes that there is a hydraulic connection between 6reenes Stream
nnd Mny Creek, however,no distinct channelized connection of surface water is evident. Greenes
, Stream enters wetland#5, which is noted in fihe May Creek Current and Future Conditions Report
as among the Inrgest known freshwater wetland in King County. Water from Greenes stream flows in
a brnided fashion through #his wetland, which ullows for notural water quality treatment prior to
discharge to May Creek. During Sue's site visit of April 5th this wetland nrea was found to have a
Iarge nmount of nnimal droppings (horse manure) Sue wil) research the ownership of this property,
work with the owner on removal of the pollutants and refer the problem to the Livestock Program
Analyst Laurie Clinton.
The Mny Creek Conditions report acknowledges that Greenes Streum is a flashier creek and
responds to precipitation much more quickly thnn other drninages within the Bnsin which is why you
nre probably seeing flow increases occurring on your property quite quickly nfter a rninstorm.
However, the impacts to May Creek nre not as significant regnrding peak flow as other basin wide
streams due to the attenuatian within Wetland #5. Overull the May Creek Basin Plan contains
recommendations to correct or reduce flooding nnd water qunlity problems in the basin and to help
prevent problems from worsening in the future. I
Thank you again for writing and expressing your concerns. We look forward to working with you in '
the protection of water quality nnd hnbi#at values in Mny Valley. If I cnn be of #urther assistance
at this point,plense do not hesitnte to contact me agnin.
Sincerely,
Nancy Hunsen
Manager
Water and Land Resources Division
King County Department of Natural Resources
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1/a S T R Parcel No. /�� �7 UQDo`� Kroll�C�� Th.Bros: New
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RESPONSE: Citizen notified on by: phone letter in person
DISPOS[TION: Turned to on / / by OR: No further action recommended because:
Lead agency has been notified:
_ Problem has been corrected. No problem has been identified. Prior investigation addresses problem:
SEE FILE#
Private problem -NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Se ice Area. Other(Specify):
DATE CLOSED: � l l2/ O( By: _�1V�J �-� �cx �t'� �
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RON SI�1S �E`�..i�l V��
lune 7, 2001 JUN 1 1 2001
.'VATER 8(.AND RESOURCE5 G��
Claudia Doruielly NAtvr��o����,� „
10415 — 147`h Avenue SE 6^�a���
Renton, WA 98059
Dear Ms. Donnelly: �
I am writing in response to your letter of May 4, 2001 to United States Senator Patty
Murray. Senator Murray forwarded your letter to me requesting that I look into your
concerns and respond to you directly.
Most of the questions raised in your letter have been addressed in previous correspondence
dated February 20, 2001 and April 12, 2001, from Nancy Hansen, Manager of the King
County Water and Land Resources(WLR) Division of the Department of Natural
Resources, and me. Copies of these letters are enclosed. I have coordinated this response
with Ms. Hansen, and this letter constitutes a response from her on the specific questions
�-�` you have previously addressed to her. �
I want to first reassure you that King Coanty is not ignoring the Endangered Species Act
(ESA), and shares your goal of protecting salmon in May Greek. King County is �
considered a leader in the development and implementation of new programs and
regulatory updates to address the listing of the Chinook salmon and Bull Trout in response
to the ESA listings. These approaches will be applicable Countywide, including May
Creek.
In your letter you asked why you, as a downstream property owner, must accept increased
runoff and sedimentation from upstream development. King County's drainage code is
designed to minimize impacts from new developments and comply with Washington State
case law. Washington State case law siates, in general, that a property owner is not liable
for incremental increases in storm water quantity or velocity in a downstream natural
conveyance system provided that the increases are not done in a negligent manner and
water is not diverted from one drainage basin to another. Core Requirement #1 of the
Surface Water Design Manual prevents diversions of water from one basin to another.
Core Requirement#3 requires flow control facilities to reduce peak flows leaving a
development to match peak flows occumng prior to development. Core Reqiiirement #8
requires water quality facilities to reduce the impact of development on the quality,
including sedimentation, of our local waters. While following the Manual's requirements
. will reduce the effects of new developments, it cannot eliminate all the effects of new
development.
Kli��(; CCfil�l"fY Cnl�RTF10USl�. �16 7`I llltl) �\\�li(Vl_1(:. RO01�4 •100 St:;�`I'"I'L[:, W�� 98104-32�1
(2�16) 29G-1(14Q 29(i-0194 ��:�X 2')(i-02011 �I�I)I) 1:-mail: ron.si�ns@inclrukc.�ov
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Your letter also expressed concern about the 80 percent Total Suspended Solids (TSS)
removal of a proposed stormwater detention pond. The 80 percent removal of TSS goal
for new retention/detention (r/d) facilities is a matter of economics and technology. Larger
r/d facilities would remove more suspended solids, bui larger facilities are also more
expensive to build. The cost to build larger facilities is passed along to the consumer in the
form of higher housing prices. From a technological standpoint, there is also a point where
building a larger facility will not remove any more TSS because the particles become so
small they will not settle out without chemical treatment. The goal of 80 percent TSS
' removal was chosen as an appropriate standard because it is believed to provide the best
cost/benefit ratio for removal of TSS and is the standard that is required by the Washington
State Department of Ecology for stormwater quality..
With regard to the questions you feel Ms. Hansen has not responded to, here are the
answers that she has provided me with: .
1) What is King County's real plan for the May Creek Basin Urban area?
There is no secret associated with the May Creek Basin Plan. The Basin Plan contains
comprehensive zoning and regulation recommendations to address issues related to
future growth, as well as basinwide and site specific recommendations to address
existing problems. May Creek Wetland #5 is a Class 1 wetland, which King County
Code does not allow to be developed into a regional detention facility. However, one
of the benefits of wetlands is that they store large amounts of water. The basin plan
recommendations seek to protect the natural benefits associated with the May Creek
system while addressing specific flooding problems through capital projects and
technical assistance. The "real" plan for May Creek Basin is the Basin Plan, which
was very recently approved and adopted by the King County Council, the City of
Renton, and the City of Newcastle.
2) What May Creek tributaries does King County consider important?
King County does not typically undertake a thorough ranking of the relative
importance of all tributaries within a basin planning effort. However, areas of
particularly high-quality habitat which make significant contributions to the resource
base of the basin, are identified as "Significant Resource Areas"and are categorized as
either"Regionally"significant, or"Locally" significant. Stream reaches and wetland
areas considered to be Significant Resource Areas in the May Creek basin are
identified in Appendix E of the adopted basin plan. This is not to say, however, that
Greenes stream is an unimportant resource just because it does not provide the same
habitat values as the significant resource areas.
i
---_ .... . . _. ..__�
Page 5
� - _ ._ _ . . _. _
�
I also und,erstand that you have been in contact with the King County Ombudsman with
your concems. I think this is a very appropriate step if you feel that you are not getting
appropriate treatment from County staff. I have asked Ms. Hansen to work closely with
the Ombudsman's office to ensure that the Division is being appropriately responsive to
your concerns. Tf you have further questions or concerns, please continue to contact Nancy
Hansen, Water and Land Resources Division Manager in the Department of Natural
Resources, at (206)296-6585. As is King County procedure, she will assign follow-up to
the staff with the appropriate programmatic and technical expertise.
Thank you again for taking the time to write.
ely,
Ron Sims
King County Executive
RS:Im
� Enclosures
cc: The Honorable Patty Murray, United States Senator
The Honorable David Irons, King County Councilmember
Duncan Fowler, King County Ombudsman
Paul Toliver, Director, Department of Transportation (DOT)
Larry Jaramillo, Senior Engineer, Road Services Division, DOT
Pam Bissonnette, Director,Department of Natural Resources (DNR)
Nancy Hansen, Manager, Water and Land Resources Division,DNR
I
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KING COUNTY WATER AND LAND RESOURCES DIVISION
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Other agencies involved: No field investigation required
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1/a S T R Parcel No. 177(o bc`�D�17 Kroll� Th.Bros: New oZ�O
RDP Basin 1� Council District�_ Charge No.
RESPo1vsE: Citizen notified on by: phone letter in person
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DISPOSITION: Turned t��� on / / bY� OR: No further action recommended because:
Lead agency has been notified:
Problem has beei�corcected. No problem has been identified. Prior investigation addresses problem:
SEE FILE#
Private problem -NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Other(Specify):
DATE CLOSEU: � l `t / �Z By: � ����C! �Q.�?�LCT�
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Juhnke, Leonard �^ �
=rom: Sleight, Brian
ient: Thursday, January 10,2002 3:01 PM
ro: Kipp, Greg; Sims, Ron
Cc: _ Whalen, Caroline; Brandon, Rod; Bissonnette, Pam; Grigsby, Daryl; Dougherty, Linda; Tiffany,
Christina; Crawford,Curt; Granlund, Jeff
Subject: RE: RCW 42.17 and FOIA violations
ron/greg. . .i have to agree with greg. . .i think we (swm, ddes, and recently dot) have been
very responsive to claudia, it's just that she doesn't like our answers.
as you know, it is important to be specific with claudia so you know just exactly what
problem you are talking about. in the present case, i have talked to her about two
different "enforcements" recently:
1) the stream that flows through her property now flows onto her property at a different
location than it used to. she says she saw the neighbor digging the new channel but has
no evidence (photos) . i talked to the neighbor (mr. wolf) and he said the channel changed
location in the 1996/97 ice storm when some trees fell over. this looked very possible
(there were a lot of fallen trees still on his property) and there was nothing indicating
he had done work in the channel (not surprising considering it happened in 1996) . i told
claudia that i could not take action or ask ddes to investigate without some firm
evidence. she said that ddes had looked at it several years ago and made the same or
similar determination.
2) the neighbor at the north end of claudia's street plugged a cross culvert because she
thought it was saturating a vacant lot she eventually wants to build on. claudia notified
me of the problem in late novemkier or early december. i investigated the problem,
. identified that a violation had occurred, and opened an enforcement under k.c.c. 9.09 (so
' ldes was never notified) . claudia asked for a copy of the enforcement letter before the
;
etter had been sent. i told her i would send her a copy of the letter when it went out
and return the 30 cents she included in her request. the letter went out yeste_rday and i
sent her a copy today. fyi. . .in my conversation with the woman who blocked the culvert, i
got the impression that she has no intention of unblocking the culvert so the enforcement
may be difficult and take a while.
i've been in contact with the lady (ms. morse) whose garage had water in it as a result of
the blocked culvert. she and i had originally talked about a possible ndap project to
clean the pipe that overflowed (we thought it might be obstructed) . further investigation
showed it was a 6 inch flex pipe. our vactor operator said the equipment to clean pipes
would just as likely damage the pipe as successfully clean it, and more likley damage the
pipe if the blockage was roots or something solid. with cleaning not viable, ms. morse
and i discussed a replacement project that would have to compete with other ndap projects
for funding. she was not interested because it would mean removing all of the vegetation
(several large trees and shrubs) along her property line. she and i both agreed that the
best resolution to her problem was to pursue the enforcement and get the culvert opened
again.
dot is involved because they are going to clean the roadside ditch on 147th as soon as
they can get an environmental approval. i am coordinating with them to have an ndap quick
fix project constructed at the same time the dot crew is out there. the project will keep
water from washing over the privately maintained portion of 147th just in front of
claudia's property. i explained to claudia that the work involved paving and, if the
weather got cold and wet, the project might not get done until this spring. wlyd's work
on the enforcement for the blocked culvert is in no way tied to the dot work or them
having to wait for environmental approval.
regarding our responsiveness, i sent claudia an email (which she acknowledged and thanked
e for) the same day i received her foia letter (1/2/02) informing her that the letter did
ot exist yet (i had just sent a draft to word processing) but that i would send her a
copy when if finally went out.
regarding our response to the blocked culvert, i met with her to initially look at the
1
woman who blocked the culvert an s�a � � ` ' ' - _:
=,� �t water in her garage as a result of the culvert, went through an ndap evaluation - -
� -oCess (including more contact and coordination with dot staff) only to have her decline
u project, coordinatecl with dot staff to have �a crew repair some damage to her driveway,
and i met with dot staff to see if they could do the other quick fix. not to put words in
her mouth, but all claudia sees is that the culvert is still plugged, the stream is stili
relocated, the roadside ditch hasn't yet been cleaned, water still runs over her road, and
we are not going to do anything for her neighbor. . .but i don't think that means we have
not been responsive.
hope this helps. sorry for being so wordy. . .it's hard to stop when talking about this
neighborhood.
Brian Sleight, P.E.
BSLB
206.296.8025
—Original Message—
From: Kipp,Greg
Sent: Thursday,January 10,2002 11:41 AM
To: Sims,Ron
Cc: Whalen,Caroline;Brandon,Rod;Bissonnette,Pam;Grigsby,Daryl;Sleight,Brian;Dougherty,Linda;Tiffany,Christina
Subject: RE:RCW 42.17 and FOIA violations
Ron -- I think SWM is the appropriate Depa�tment/Division to respond to the most recent(1/9/02)e-mail from Ms Donnelly.
This e-mail speaks to a plugged culvert that was investigated by SWM. While she mentions that SWM advised her that
there was a code violation, no such report has come into DDES from SWM. To the contrary, our most recent
conversations w/Brian Sleight of SWM indicated that he saw no code violations out there.
--, Ms Donnelly made a FOIA request of DDES on 12/18/01 for specific information about which developments in the area
� �equired a level 3 detention pond. We provided her w/that information (see red highlighted response from Ms Donnelly,
�elow) In her 1/9/02 e-mail, she stated her recent request for information was not made to DDES, however it is not clear
to which department she made the request.
I am cc'ing folks in SWM to see if they are aware of any recent request for information from Ms Donnelly. If so, please let
Ron know and respond to Ms Donnelty on his behalf. If not, also advise Ron and I guess we should ask her to specify
which department she made the request of.
DDES and DNR have been extremely responsive to Ms Donnelly over the years...she simply does not like the answers we
are providing her and I doubt she ever will. That being said,we still need to respond to any and all FOIA requests.
gk
-----Original Message-----
From: Sims, Ron
Sent: Wednesday,January 09, 2002 1026 AM
To: Kipp, Greg
Cc:Whalen, Caroline; Brandon, Rod
Subject: FW: RCW 42.17 and FOIA violations
Greg -please follow-up, thanks. -ron
----Original Message-----
From: Mike and Claudia Donnelly[mailto:thedonnellys@oo.net)
Sent: Wednesday,January 09, 2002 1,0:32 AM
Ta: ron.sims@metrokc.gov
Cc: david.irons@metrokc.gov
Subject: RCW 42.17 and FOIA violations
Dear County Executive Sims:
2
p
I have told you over and over again that-KC�"doesn �espon o� o '
,.__ ,
.1 . .___ __.... ., .
us who(lve in thiS part of the May Creek Basin area. Here is another �
� example.
A neighbor down our road has plugged a culvert draining water from 148th
Avenue SE through her property to Greenes Stream. She plugged the
culvert up because she didn't want the water flowing through her
property. In November, this plugged culvert sent water down a small,
shallow ditch alongside 147th Avenue SE. That excess water caused
sheet flooding over the road. It also caused water to go through
another neighbo�'s garage.
This problem was called in Roads and SWM. It was investigated and
supposedly something will be done--once Roads gets the permits its has
applied for.
SWM investigated and found out that this neighbor(plugging the culvert)
_ is violating County Code. They were going to send a letter to this
person advising them of this violation.
Well, 1 talked to the neighbor who got the water in her garage and asked
if she had gotten a copy of the letter that was supposed to be sent.
She said that she might get a copy—she wasn't sure.
On December 28, I typed several letters to KC Departments (not DDES (emphasis added by kipp)--even though I don't
like DDES and they don't answer my questions)
requesting documents under the Public Disclosure Law(RCW 42.17) and
FOIA. I mailed these letters on December 29. I also sent a letter to
, a Washington State agency--they responded promptly.
ieard from one person --they said that they'd return my 30 cents and
cne letter to the person plugging up the culvert had just gotten back
from the Word Processing Dept(this is last week). I still haven't
gotten a copy of that letter. Has it been sent????? I sent this
person a note today asking if the letter has been sent and if not, when
will it be sent? So far, no response.
The other KC agency hasn't responded at all. The letters shoufd have
gotten to the people on December 31. If I have to go to an
attorney to get a response from this KC agency, I will send my attorney
bill to you.
You might want to send out a note to all County employees that the
public has a right under FOIA and RCW 42.17 to see and have copies of
County documents.
Again, maybe you can answer the question as to why KC doesn't want to
make my neighbors comply with County and State laws? There is Mr.
Wolf, who change the course of Greenes Stream and he didn't get fined;
there are the 2 Code violations on the Luck p�operty that have been in
limbo for many years now; there is the Nagel culvert problem? But
then another neighbor put a little dirt in her back yard next to Greenes
Stream and she had to pay a fine? Why are people treated
differently?
Thank you for your time.
iia Donnelly
-----Original Message-----
From: Mike and Claudia Donnelly[mailto:thedonnellys@oo.net]
Sent: Wednesday, January 09, 2002 1:59 PM
To: paula adams@metrokc.gov; robert_ware@metrokc.gov
3 ----
�_ -
� V
-: � _ _.- _:�,.�..r,;.
Dear Ms. Adams:
I just received your letter with the list of developments that were
required to have a Level 3 detention pond along with a Level 3 Flow
Control.
THANK YOU VERY, VERY MUCH FOR THE iNFORMATION! It was nice and
timely. I don't need to see the files--so they can be returned to
whe�ever they are kept. For this part of my research, I just needed
the development name and file number. For the nexi part, I need to
go somewhere else. But thank you, any way, in having Mr. Ware keep
them for me.
Mr.Ware is a wonderful, friendly person--I like him very much. He
is a good asset to DDES. You are, also, a pleasure to work with.
THANK YOU AGAIN.
Claudia Donnelly
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NAME: DONNBLLY COMPLAINT NUMBSR: 2001-0765
ADDRESS: 10415 147� AVSNUB 30UTHBAST
PROJSCT DSSCRIPTION: ADD AN ASPHALT APRON TO A DRIVSWAY AND DIG A SHORT
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�a S T R Parcel No..5o23��O l�-L Kroll d0 Th.Bros: New J
RDP Basin 1��� Council District�_ Chazge No.
RESPONSE: Citizen notified on by: phone letter in person
M�� �IgG� L (�t N�3��X�c,�i� c.c,�v�R,� o.�v �.� � 3/ 2vo 2 . P��.
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DISPOSITION: Turned to on / / by OR: No further action recommended because:
Lead agency has been notified:
_ Problem has been corrected. No problem has been identified. Prior investigation addresses p�oblem:
SEE FILE#
_ Private problem -NDAP will not con'sider because:
Water originates onsite and/or on neighboring parcel.
Other{Specify):
DATE CLOSED: l l�/ OZ By: _�� ��fj,BL�/�! �p,e,��C?—�
�
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. King County ��
' Water and Land Resources Division �
Department ofNatural Rcsources
201 South Jackson Strcet,Suitc 600
' Scatdc,WW 98104-3855
(206)296-6519
January�,�2�(����
Maxine Nagel
10217- 147`�Avenue Southeast
Renton, WA 98055
RE: Drainage Complaint #2001-0842—Drainage Culvert Obstruction
Dear Ms. Nagel:
On December 12, 2001, King County Stormwater Services (SWS) Section staff observed that the
culvert under 147`"Avenue Southeast that discharges onto your property had been plugged. Water
was backing up on the east side of the street and flowing onto the roadway.
The plugging of the culvert adversely affects the capacity of the drainage system and water flowing on
the roadway creates a hazard.
` � This letter is not a formal enforcement action as authorized under King County Code 9.04. Its purpose
is to bring these drainage problems to your attention before they cause personal injury or damage to
public or private property_ As the person who stated she blocked the culvert,you could be liable for
any personal injury or property damage that results from the blocked culvert. There has already been
an overflow of the downstream system that flowed into and damaged a garage. Also, if you decide to
sell your property, this potential enforcement related to your property must be disclosed to any
potential buyer.
Thank you for your attention to this matter. Please call Leonard Juhnke, Stormwater Services Section
Engineer, at(206) 263-6457 within 30 days of receipt of this letter to discuss resolution of this matter.
Sincerely,
��c � ,�
�ou� �ro2s�
c �
Curt W. Crawford, .E., Supe ising ngineer �Zr Z2br— ?6,30
Stormwater Services Section �� ,_�s? �50�
t�v(� �Ou�.✓�J o!C.
CC:BS:J43 r�-a���'��"o�""�`�
Enclosures
cc: Brian Sleight, P.E., Senior Engineer, SWS Section
Leonard Juhnke, SWS�Section Engineer
Jeff Granlund, Supervisor Roads Maintenance Division 2
g�
�:;,,_�,_.��:.�
F`A King County � .,,, �
� Water and Land Resources Divtsion �'
:�;- �
Dcparlrncnt of Natural Resources
'LO1 SoWh Jackson Streel,Suitc 600
Sca 1 tic,WA 98104-3855
(206)296-6519
(206)296-0192 FAX
February 20, 2002
Maxine Nagel �
10217 - 147`� Avenue Southeast
� Renton, WA 98055
RE: Drainage Complaint �i2001-0842 - Drainage Culvert Obstruction
Dear Ms. Nagel: _
Thank you for your response to my previous letter to you dated 7anuary 4, 2002. A site
--� inspection on February 20, 2002 confirmed that the concrete obstruction has been cleaned
� out of the culvert under 147'� Avenue Southeast in front of your property.
Thank you for your attention to this matter. If you have any questions, please call Len '�
Juhnke, Water and Land Resouices Division Stormwater Services Section Engineer, at
(206) 263-6457. '
Sincerely,
:
, .
i
Curt W. Crawford, P.E., anaging Engineer
Stormwater Services Section
CC:LJ:inat�
cc: Jeff Granlund, Maintenance Division 2 Supervisor, Road Services Division,
Department of Transportation
Brian Sleight, P.E., Senior Engineer, Stormwater Services Section, Water and
Land Resources Division, Department of Natural Resources and Parks
Len Juhnke, Engineer, Stormwater Services Section �
g�
�,,.�., KING.COUNTY WATER AND LA1VD RESOURC�S DIVIS.�I}O� N - -� � `-F
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.TO BE CObiPLETED;BY.C��iPLAINF PROGRAhrSTAFF� " ` ' �-' '
- ; : , -
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1/a S T R Parcel No.�77�ny�l�D��Q Kroll�� Th.Bros: New
RDP Basin �� CounCil District ��r Chazge No. i
RESPONSE: Citizen notified on by: phone letter in person
LC i T�� s f•�T l�l��o Z. 3 OC��I'f i-vc c v,c"v w c T�� c.Er:�.t.
I
DISPOSTfION: Turned to on / / by OR No further action recommended because:
Lead agency has been notified: �
_ Problem has been corrected. No problem has been identified. Prior investigation addresses problem:
SEE FILE#
Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring parcel. �
Other(Specify):
DATE CLOSED: I / /�/O Z By: �
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�� Sleight, Brian '. � '. �"'" �
.Y--�
�. From: Sleight, Brian
Sent: Wednesday,January 02, 2002 3:35 PM
� To: 'thedonnellys@oo.neY
Subject: Nagel enforcement and quick fix
I received your letter today regarding the Nagel enforcement. The letter has not gone out
yet (i just got it back from word processing today) but I will get you a copy when it is
sent out. I'll also send your 30 cents back with it. Technically there should be a
charge for the copy but our office doesn't accept cash (only checks) and even if they did,
the cost in time for me to get a receipt and such for one copy would be way more than the
cost of the copy. -
Len Juhnke and I met with D.O.T. staff last week to look at the quick fix. I called you
before we left downtown but you were not there. Len will be handling the project in my
office. The project will involve paving that area that the cars drive over, extending the
berm, and digging a shallow ditch a short way to the north. The project will not dig the
ditch past the area where the retaining wall is failing. The idea is to piggyback our
work with the roadside ditch cleaning because the crew will already be out there.
Therefore, the timing is dependent on the roadside ditch project. At the time of our
meeting, the environmental paperwork had been submitted and they were waiting for
approval. Even with the intent of the piggyback project, if the weather is not
appropriate for paving when they clean the ditch, they won't do the quick fix. The quick
fix will still get done, it will just get done at a different time when weather permits.
If our current run of dry weather holds, it shouldn't be a problem but if we start getting
steady rains day after day, the weather and crew availability could push the project off
to this spring.
Brian Sleight, P.E.
BSLB
206.296.8025
1
�- ----- --
. _
,, _ _ ..,,, , ._.
,>., _
.--.
� 10415 - 147th Avenue SE
� Renton, WA 98059
�
December 28, 2001
;
� Brian Sleight
KC WLRD
201 S. Jackson
Seattie, WA 98104
Dear Mr. Sleight:
I just taiked to my neighbor to see if she had gotten a copy of the letter WLRD sent to
Maxine ?? regarding the blocked culvert at the end of 147th Avenue SE. She
said she had just heard from you and that the letter maybe on its way.
Under RCW 42.17 and FOIA, I would also like a copy of the letter sent to Maxine
� `, about her blocked culvert. I am enclosing 30 cents to cover the cost of this letter.
Also, what is the status of the "ditch° being dug out alongside 147th?
Thank you.
Sincerely,
�Eu'':�a" b�, h
�
Claudia Donnelly
. s
;, _
s.��� _.
� KING COUNTY WATER AND LAND RE$OURCES DIVLSION
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� - No field investi ation re uued
Other a encies involved:
_ _ _ �.i Y 7 t��,p1 X'�alb x�:�a��}��-`��-:
: TU-BE COMPI�ETED BY�UhiP.LAINT:PROGRAhi S'i`AFF � �
� � �
1/a S T R Pazcel No.��7�n�6� Kroll�� Th.Bros: New �T�_
RDP�_ Basin��, Council District�_ Chazge No.
RESPONSE: Citizen notified on by: phone letter in person
DISPOSITION: Turned to on / / by OR No further action recommended becausa:
Lead agency has been notified:
Problem has been corrected. No problem has been ident�ed. Prior investigation addresses problem. I
— SEE FaE# �,
Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
. Other(Specify):
DATE CLOSED: � /� I D2 BY: � ��<<- S�yT g� `���YC
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� :t _
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Sleight, Brian �
,-�.
; From: Grigsby, Daryl
Sent: Thursday, February 14, 2002 1121 AM
To: 'thedonnellys@OO.net'
Cc: Sims, Ron; Irons, David; Bissonnette, Pam; Shannon, Kathleen
Subject: RCW 42.17 and FOIA violations
Dear Ms.Donnelly: '
Thank you for your email transmittal of January 9,2002,to Execurive Ron Sims,expressing concern about King County's compliance
with the Freedom of Informarion Act(FOIA)and its response to the Public Disclosure Law(RCW 42.17)request you made to several
King County departments. Executive Sirns has asked me to respond to your concerns.
Your email also expresses concems about King County enforcement of drainage problems in your area. I understand your public
disclosure requests were made to the Department of Transportation(DOT)and the Deparhnent of Natural Resources,which is now
called the Department of Natural Resources and Parks(DNRP).
DNRP staff sent you an email on January 2,2002,the day your request arrived. The letter you requested was only in draft form at the
time of your request and,as such,was not yet disclosable by law. Rather than ask you to resubmit your request after the letter had
been signed and sent,DNRP staff said they would send you a copy as soon as the letter was sent,which they did on January 10,2002.
DOT staff sent you a letter on January 9,2002,five working days after your request arrived. Your request involved a large file and it
was not clear what specific documents you were requesting. DOT staff thought the best response would be to make the file available
for your review so you could decide which documents you wanted to copy.
From my understanding of RCW 42.17,the response from both the DNRP and the DOT exceeded the requirements of RCW 42.17.
*
In regards to your enforcement concerns,King County's enforcement authority applies to all of unincorporated King County. In the
practical application of the codes granting such authority,there is no distinction between people living in rural areas or in urban areas.
King Counry,however,has a high burden of proof when it comes to taking enforcement action against a code violator. As
unfortunate as it may seem,there are times when it appears a code violation has occurred but King County cannot take acrion because
we cannot prove that a code violation occurred or do not lrnow who performed the act.
In the case of Mr. Wolf,both the Department of Development and Environmental Services(DDES)and DNRP staff have investigated
the complaint and found no evidence that a code violarion has occurred. Mr.Wolf stated the stream relocated when several trees fell
during an ice storm in the winter of 1996/97. This is a natural and common occurrence and,with the number of fallen�ees on Mr.
Wolfs property,there is nothing to suggest it did not occur. With no physical evidence to support an enforcement case,the word of
one neighbor against another is unfortunately not enough to overcome our burden of proof.
In the case of the Luck property,enforcement action was iniriated against the property owner for installing a culvert in a sensitive area
without a permit. The property owner has applied for a grading pernut for the culvert installation to resolve the enforcement. There
are other code compliance issues on this property but they cannot be addressed unril the grading permit is issued so the rest of the
property can be accessed. �
In the Nagel case, Water and Land Resources Division(WLRD)staff has an open enforcement case for this violation and the fust step
in the enforcement process has been taken. WLRD allows the property owner 30 days to voluntarily resolve the problem before a
formal enforcement process with possible civil penalties is initiated. If Ms.Nagel does not resolve the violation within 30 days,she
will be sent a Citation in accordance with King County Code 23.20.
My staff�vho are most familiar with your neighborhood do not recall a fine levied against your neighbors. However, if your
neighbors think the fine was inappropriately levied,they should contact the department that they were working with.
The resolution of any code violation is greatly affected by the conduct of the violator. While the enforcement and possible
enforcement cases you have mentioned each have a different resolution and may not be the resolution you want,there does not seem
'�be any inequity in the application of King County's enforcement authority.
.Vhile I am sure the issues you have raised are of great concern to you, in the case of your public disclosure request, if you had waited
an appropriate length of time(i.e.a couple days after the response deadline to allow delivery by the post office)you would have seen
that County staff did comply with the requirements of RCW 42.17. Similarly,in the case of the enforcements you mentioned,County
1
staff is taking acrion as au onze y mg un co e on e '
issue they have looked at and detecmined that acrion cannot be taken(Wol�. I admire the amount of effort and energy you put into' "
� your community but I ask you to accept the determinations made by County staff and limit fuhue contacts to new issues.
Thank you again for the opportunity to address your concerns. I hope we can move forward to new issues and opportunities.
Sincerely,
Daryl Grigsby,Manager
Water and Land Resources Division
Deparnnent of Natural Resources and Parks
�
I
i �
2
From: Bissonnette, Pam
Sent: Thursday, January 10, 2002 3:45 PM
To: Shannon, Kathleen
Cc: Norton, Ann; Grigsby, Daryl
Subject: FW: RCW 42.17 and FOIA violations
r"1
Kathleen, looks like we are getting this ccf. Could you please sta�t it in motion? thx
----0nginal Message--- �_
From: Brandon,Rod
Sent Thursday,January 10,2002 3:30 PM
To: IGpp,Greg
Cc: Whalen,Caroline; Bissonnette,Pam;Grigsby,Daryl; Sleight, Brian; Dougherty,Linda;TiPfany,Christina
Subjec� RE: RC1N 42.17 and FOIA violadons
ks Greg, Pam let me know when you have a response. rod
-----0riginal Message-----
From: Kipp,Greg
Sen� Thursday,January 10,2002 11:41 AM
To: Sims,Ro�
Cc: Whalen,Caroline;Brandon,Rod; Bissannette, Pam; Grigsby, Daryl; Sleight, Brian; Dougherty,Linda;Tiffany,Christina
Subject: RE: RCW 42.17 and FOIA violations
Ron — I think SWM is the appropriate Department/Division to respond to the most recent(1/9/02)e-mail from Ms
Donnelly. This e-mail speaks to a plugged culvert that was investigated by SWM. While she mentions that SWM
advised her that there was a code violation, no such report has come into DDES from SWM. To the contrary, our
most recent conversations w/Brian Sleight of SWM indicated that he saw no code violations out there.
Ms Donnelly made a FOIA request of DDES on 12/18/01 for specific information about which developments in the
area required a level 3 detention pond. We provided her w!that information (see red highlighted response from Ms
; --.� Donnelly, below) In her 1/9/02 e-mail, she stated her recent request for information was not made to DDES, however
it is not clear to which department she made the request.
I am cc'ing folks in SWM to see if they are aware of any recent request for information from Ms Donnelly. If so, please
let Ron know and respond to Ms Donnelly on his behalf. If not, also advise Ron and I guess we should ask her to
specify which department she made the request of.
DDES and DNR have been extremely responsive to Ms Donnelly over the years...she simply does not like the answers
we a�e providing he�and I doubt she ever will. That being said, we still need to respond to any and all FOIA requests.
gk
-----Original Message---
From: Sims, Ron
Sent: Wednesday, January 09, 2002 10:26 AM
To: Kipp, Greg
Cc: Whalen, Caroline; Brandon, Rod
Subject: FW: RCW 42.17 and FOIA violations
Greg - please follow-up, thanks. -ron
-----Originat Message----
From: Mike and Claudia Donnelly[mailto:thedonnellys@oo.net]
Sent: Wednesday, January 09, 2002 10:32 AM
To: ron.sims@metrokc.gov
1
_ _ - — --
/ Dear Count Executive Sims:
Y
I have told you over and over again that KC doesn't respond to those of
,.�, us who live in this part of the May Creek Basin area. Here is another
example. �
A neighbor down our road has plugged a culvert draining water from 148th
Avenue SE through her property to Greenes Stream. She plugged the
culvert up because she didn't�Nant the water flowing through her
property. In November, this plugged culvert sent water down a small,
shallow ditch alongside 147th Avenue SE. That excess water caused
sheet flooding over the road. It also caused water to go through
another neighbor's garage.
This problem was called in Roads and SWM. It was investigated and
supposedly something will be done—once Roads gets the permits its has
applied for.
SWM investigated and found out that this neighbor(plugging the culvert)
is violating County Code. They were going to send a letter to this
person advising them of this violation.
Well, I talked to the neighbor who got the water in her garage and asked
if she had gotten a copy of the letter that was supposed to be sent.
She said that she might get a copy--she wasn't sure.
On December 28, I typed several letters to KC Departments (not DDES (emphasrs added by kipp)—even though I
don't like DDES and they don't answer my questions)
requesting documents under the Public Disclosure Law(RCW 42.17)and
FOIA. I mailed these letters on December 29. I also sent a letter to
a Washington State agency—they responded promptly.
�
I heard from one person--they said that they'd return my 30 cents and
the letter to the person plugging up the culvert had just gotten back
from the Word Processing Dept(this is last week). I still haven't
gotten a copy of that letter. Has it been sent????? I sent this
person a note today asking if the letter has been sent and if not, when
will it be sent? So far, no response.
The other KC agency hasn't responded at all. The letters should have
gotten to the people on December 31. If I have to go to an ,
attorney to get a response from this KC agency, I will send my attorney
bill to you.
You might want to send out a note to all County employees that the
public has a right under FOIA and RCW 42.17 to see and have copies of
County documents.
Again, maybe you can answer the question as to why KC doesn't want to
make my neighbors comply with County and State laws? There is Mr.
Wolf,who change the course of Greenes Stream and he didn't get fined;
there are the 2 Code violations on the Luck property that have been in
limbo for many years now; there is the Nagel culve�t problem? But
then another neighbor put a iittle di�t in her back yard next to Greenes
Stream and she had to pay a fine? Why are people treated
differently?
Thank you for your time.
Claudia Donnelly
z
�
�" KING COUNTY WATER.�AA�.LAND RESOURCES DIVISION ��
DRAINAGE INVESTIGATION REPORT
INVESTIGATION REQUEST Type X
���'�DROBLEM:
nECEIVED BY: +UL�S Date: �6103 OK'd bv: F[LE No. 2��3 -��(�
Received from: ���- '
� (�Y) L� (E�e) �1 i
NAME: C�Up� ���/U�'� PHONE
An�ttEss:�S ��7`� /�P� � City State Zip
LOCATION OF PROBLEM,�DIFFERENT:
• .:; . .
Access Permission Granted ❑ CaU F1rst'(Would Like To Be Present) ❑
;
�
s�� �'/�c��1� L��r�ic. �C�L�-��v T�
��D,S� ,Bf�.e� �•e��4.1 /t�c/�-� �i�L ffo�J�l�,,
,v�r c.�6c�2: ,/q-,6o.d ��u,v�v o•c T.�,� �Z� 6�7— 7 S-6 Z
. �
�i��c. f��D��� T���o,�tiE�c,y.s �oo. ,�rr .
Plat name: Lot No: Block No:
Other agencies involved: No field investi ation re uired
T�BE C0ti1PLETED BY COMPLAIN'I'PROGRAM STAFF
� � �
l�a S T R Parcel No.��'7�D���o� Kroll� Th.Bros: Ne S
R.DP Basin�� Council District�_ City Chazge No.
RESPONSE: Citizen notified on by: phone letter in person
�i,�t�l(L .<�Sfo.vfE sr�7 3/��1�03� �
DISPOSITION: Turned to on / / by OR: No further action recommended because:
Lead agency has been notified: � �
Problem has been corrected. No problem has been identified. Prior investigation addresses problem:
SEE FILE#
_ Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Other(Specify):
DATE CLOSED: � /ZI / O3 By: �_
Sleight, Brian
From: Michaei/Claudia Donnely[thedonneilys@oo.net]
Sent: Thursday, March 20, 2003 6:22 AM
To: Grigsby, Daryl
Cc: Sims, Ron; Cawaling, Cindy; Bissonnette, Pam; Sleight, Brian; Shannon, Kathleen; Maier, Mary;
Ninneman, Scott; Moeller, Lani
Subject: Re: May Creek Basin Area
Mr. Grigsby:
Whatever. I ha�e given up on dealing with KC and Renton. The straw has only been put down where
our neighbor originally installed it-- nothing more. It rained alot yesterday and in the past. I saw muddy
water up against the straw bales. At least the bales were possibly doing something.
Thanks anyway.
Claudia Dannelly
PS: I know that you don't have any jurisdiction over Renton, but they haven't made my other neighbor
do anything. I have already talked to NMFS and the last heard, they were investigating. Maybe I need to
write someone else.
See ya.
On Wednesday, March 19, 2003, at 02:49 PM, Grigsby, Daryl wrote:
Dear Ms. Donnelly:
Thank you for your email transmittal of March 4, 2003, regarding the potential of sediment reaching
Niay Creek. King County Executive Ron Sims has asked me to respond on his behalf.
I understand that Brian Sleight, Stormwater Services (SWS) Section Senior Engineer from my staff,
visited your neighbor's property on March 7, 2003. At the time, no sediment was leaving the site even
though it was raining lightly. There were no indications that sediment had previously left the site. The
owner was not home so Mr. Sleight left a note on their door requesting that they coi�tact him.
Your neighbor called Mr. Sleight that day and was advised of his responsibility to minimize sediment
transport from his property. Your neighbor said his intention was to stabilize the area this past weekend
3J21/2003
and asked Mr. Sleight to visit the site on Monday, March 10 to determine if the site was properly
.�� stabilized. A Monday site visit showed that straw had been placed on much of the site. Mr. Sleight
asked your neighbor to extend the straw to the end of the existing railroad tie wall, which the neighbor
said he would do.
I
It is important to note that installation of erosion control best management practices(BMPs) will not
completely eliminate sediment transport from your neighbor's property. Erosion control BMPs are
intended to minimize the impact of exposing bare soil by preventing soil from getting suspended in
water or removing suspended soil from water. Once sediment is suspended in water, short of using
chemicals, erosion control BMPs will not remove very fine sediment from the water. Although these
BMPs are not perfect, they are consistent with Washington State's requirements to use all known,
available, and reasonable methods of prevention, control, and treatment of_stormwater. These BMPs
also meet the Clean Water Act's requirement of stormwater controls to recluce the discharge of pollutants
to the maximum extent practicable.
Thank you for taking an interest in the environment. If you have additional concerns regarding this
issue, feel free to contact Brian Sleight, SWS Section Senior Engineer, at (206) 296-8025.
. Sincerely,
��-� Daryl Grigsby, Manager
Water and Land Resources Division
Department of Natural Resources and Parks
3/21/2003
��
TASK 5
-, MITIGATION OF EXISTING
AND POTENTIAL PROBLEMS
�
,--� TASK 5 MITIGATION OF EXISTING AND POTENTIAL PROBLEMS
The area downstFeam of the proposed project known as Stoneridge possibly does exhibit potential
problems based on the drainage complaints. Since the City of Renton has indicated that Level 3 Flow
Control and Basic Water Quality are the required means of detaining runoff and treating the runoff, which
is more than the Flow Control Applications Map in the 1998 King County Surface Water Design Manual
requires, this project assumes those are adequate for this site. By utilizing Level 3 Flow Control this
project should not aggravate or create a problem as specified in the problem-specific mitigation
requirements set forth in Section 1.2.2.1 of the 1998 King County Surface Water Design Manual. A
Level 2 or a Level 3 off-site analysis should not be required for this project site. In addition, the project
site is not flat no: is the dcivnstream drainage course flat and the site dces not contribute more than
15 percent of the total peak flow drainage downstream from the site.
,
l 1189.003.doc[JPJ/dm]
�
4.0 FLOW CONTROL AND WATER QUALITY
;_ ,,�
FACILITY ANALYSIS AND DESIGN
I
� -
�
��
i
;
'
_ `
;�--� 4.0 FLOW CONTROL AND VVATER QUALITY FACILITY ANALYSIS AND DESIGN
A. Elcisting Site I-�ydrology
The pre-developed and post-developed basin areas match each other in size and the
upstream basin contributing runoff to the project site will be bypassed around the project
site or through the project site and not impact the detention system proposed for this
development. Please see the following table for a list of assumptions and parameters
used in sizing the pre-developed conditions hydrographs for this project.
EXISTING CONDITIONS TABLE
On-Site:
Existing impervious = 0.52 Acre
Effective impervious area of gravel=0.3 Ac. x 0.5 =0.15 Acre
Existing impervious total = 0.52+0.15 =0.67 Acre
Till forest = 9.51 Acres
Till grass = 3:1 Acres+0.15 Acre(1/2 gravel area)=3.25 Acres
Total On-site = 0.67 +9.51 +325 = 13.43 Acres
� l
Additional Tract to Northwest:
Till forest = 2.34 Acres
Imnrovements to 148th Avenue S.E.:
Till grass = 0.17 Acres
Imarovements to SR-900/148th Avenue S.E.:
Till grass = 0.25 Acres
b Total existing area = 16.19 Acres
of which there is: till forest = 11.85 Acres
till grass = 3.67 Acres
impervious = 0.67 Acres
16.19 Acres
B. Developed Site Hydrology
The existing site as well as the developed site occurs in Alderwood type soils that are a
till type soil. The proposal for this development is to construct a Level 3 Flow Control
detention pond above a basic water quality wet pond in the north central portion of the
� site. Upstream runoff from the south, east, and west will be routed around the detention
and water quality facilities located on-site and bypass those facilities. Please see the
1 l 189.00l.doc[JPJ/dm/tepJ
.•-� following table for the assumptions and pazameters used in determining basin areas
contributing runoff to the weddetention pond.
DEVELOPED CONDITIONS TABLE
On-Site•
Impervious: 491ots x 4,000 SF/lot=4.5 Acres
Future 81ots in southwest corner= 8 x 4,000=0.73 Acre
Streets and sidewalks=2.26+0.45=2.71 Acres
Total Impervious.On-site = 7.94 Acres
Ti(1 grass = 5.49 Acres
Additional Tract to Northwest:
Impervious = 1.27 Acres
Till grass = 1.07 Acres
Imarovements to 148th Avenue S.E.:
� Impervious = 0.17 Acres
Imarovements to SR-900/148th Avenue S.E.:
Impervious = 0.25 Acres
TOTAL DEVELOPED AREA:
Impervious = 7.94+ 1.27+0.17+0.25 =9.63 Acres
Till grass = 6.56 Acres
TOTAL = 16.19 Acres
C. Performance Standards
As mentioned previously the flow control performance standard utilized for this
development is Level 3 Flow Control due to downstream problems that are well
documented at King County. The water quality performance standard is to provide Basic
Water Quality as dictated by the City of Renton and King County, which this project
proposes to do in the form of a wet pond. The conveyance system capacity standard is to
convey the 25-year storm based on the SCS-based Santa Barbara Urban Hydrograph
methodology of computing peak flow rates contributing to each catch basin since the
project site is over 10 acres in size.
11189.00l.doc[JPJ/dm/tep]
J..,� D. Flow Control System
Please see the following pages for the calculations utilized in sizing the flow control
system for this project as well as a copy of the control structure and plan view of the
wet/detention pond illustrating the actual sizing of the pond.
E. Water QuaGty System
Please see the calculations on the fotlowing pages of this report for the methodology used
to size the basic water quality wet pond and the illustrative sketch of the wet/detention
pond indicating proposed and provided volumes for both water quality and detention.
. t
11189.00l.doc[JPJ/dm/tep]
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J� KCRTS Command � �V ( �G�
CREATE a new Time Series � — ��"'��
------------------------
Production of Runoff Time Series '
Project Location : Landsburg
Computing Series : 11189pre.tsf
Regional Scale Factor : 0.90
Data Type : Reduced
Creating Hourly Time Series File
Loading Time Series File:C:\KC_SWDM\KC_DATA\LATF60R.rnf .
Till Forest 11.85 acres
Loading Time Series File:C: \KC_SWDM\KC_DATA\LA3'G60R.rnf .
Till Grass 3.67 acres
Loading Time Series File:C: \KC_SWDM\KC_DATA\LAEI60R.rnf .
Impervious 0.67 acres
Total Area : 16.19 acres
Peak Discharge: 2.61 CFS at 7:00 on Jan 9 in Year 8
Storing Time Series File:11189pre.tsf .
Time Series Computed
KCRTS Command
Enter the Analysis TOOLS Module
' 1
Analysis Tools Command �,
----------------------
Compute PEAKS and Flow Frequencies
----------------------------------
- Loading Stage/Discharge curve:11189pre.tsf .
Flow Frequency Analysis
--------------------------------------------------------
Time Series File: 11189pre.tsf �
Project Location:Landsburg
Frequencies & Peaks saved to File: 11189pre.pks .
Analysis Tools Command '
----------------------
RETURN to Previous Menu
KCRTS Command
CREATE a new Time Series
------------------------
Production of Runoff Time Series
Project Location : Landsburg
Computing Series : 11189dev.tsf
Regional Scale Factor : 0.90
Data Type : Reduced
Creating Hourly Time Series File
Loading Time Series File:C: \KC_SWDM\KC_DATA\LATG60R.rnf .
Till Grass 6.56 acres
Loading Time Series File:C: \KC_SWDM\KC_DATA\LAEI60R.rnf .
f.� Impervious 9.63 acres
--------------
Total Area : 16.19 acres
Peak Discharge: 6.68 CFS at 7:00 on Jan 9 in Year 8
Storing Time Series File:11189dev. tsf .
Time Series Computed
KCRTS Command
Enter the Analysis TOOLS Module
-------------------------------
Analysis Tools Command
----------------------
Compute PEAKS and Flow Frequencies
Loading Stage/Discharge curve:11189dev.tsf .
Flow Frequency Analysis
--------------------------------------------------------
Time Series File:11189dev.tsf
Project Location:Landsburg
Frequencies & Peaks saved to File:11189dev.pks .
Analysis Tools Command
----------------------
Compute Flow DURATTON and Exceedence �
------------------------------------
, Loading Time Series File:11189pre.tsf .
CompLtir.g Fla,ti Durations
Durations & Exceedence Probabilities to File: 11189target.dur .
Analysis Tools Command
----------------------
RETURN to Previous Menu
—--------------------
KCRTS Command
Size a Retention/Detention FACILITY
-----------------------------------
Loading Retention/Detention Facility File:111891eve13.rdf .
Retention/Detention Facility Design
Edit Facility
Loading Time Series File:11189dev.tsf .
Time Series Found in Memory:11189dev.tsf .
Saving Retention/Detention Facility File: 111891eve13.rdf .
Starting Documentation File:C: \kc_swdm\kc_data\example\kcrts\111891eve13.doc
Time Series Found in Memory:11189dev.tsf .
Edit Complete
Retention;Detention Facility Design
-----------------------------------
Route Time Series through Facility
----------------------------
_., Flow Frequency Analysis
Time Series File:11189pre.tsf
Project Loc�tion:Landsburg
---Annual Peak Flow Rates--- -----Flow Frequency Analysis-------
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS) Period
1.53 2 2/09/O1 14:00 2 .61 1 100.00 0.990
0_420 8 1/05/02 16:00 1.53 2 25 .00 0.960
1.06 4 2/28/03 16:00 1.45 3 10.00 0.900
0.612 7 8/26/04 1:00 1.06 4 5.00 0.800
0.963 5 1/05/OS 10:00 0_963 5 3.00 0.667
0.764 6 1/18/06 21:00 0.764 6 2.00 0.500
1.45 3 11/21/06 9:00 O.b12 7 1.30 0.231
2 .61 1 1/09/08 7:00 0.42Q 8 1. 10 0.091
Computed Peaks 2.25 50.00 0.980
--,
— Flow Frequency Analysis
Time Series File:11189dev.tsf
Project Location:Landsbur� • I
---Annual Peak Flow Rates--- -----Flow Frequency Analysis-------
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS) Period
3 .b8 5 2/09/O1 2:00 6_68 1 100.00 0.990
2 .20 8 12/03/O1 17:00 4.44 2 25.00 0.960
3 .72 4 9/10/03 15:00 4.29 3 10.00 0.900
4.29 3 8/26/04 1:00 3.72 4 5.00 0.800
3.54 7 10/28/04 18:00 3 .68 5 3 .00 0.667
3 .67 6 10/22/05 17:00 3 .67 6 2.00 0.500
4.44 2 11/21/06 9:00 3 .54 7 1.30 0..231
6.68 1 1/09/08 7:00 2 .20 8 1. 10 0.091
Computed Peaks 5 .94 50.00 0.980
i
_--. Flow Frequency Analysis '
T.ime Series File:11189rdout.tsf
Project Location:Landsburg
---Annual Peak Flow Rates--- -----Flow Frequency Analysis-------
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS) (ft) Period
1_53 2 2/09/O1 20:00 2 .61 10.00 1 100.00 0.990
0 .284 8 11/05/O1 3:00 1.53 8 .74 2 25. 00 0.960
0 .726 5 2/28/03 19:00 1.34 8.66 3 10.00 0.900
0 .328 7 8/26/04 6:00 0.751 6.48 4 5 .00 0.800
0 .751 4 1/05/OS 15:00 0.726 6_34 5 3 .00 0.667
0.389 6 1/19/06 2:00 0.389 5.35 6 2 .00 0. 500
1.34 3 11/24/06 8:00 0.328 4.05 7 1.30 0.231
2_61 1 1/09/08 12:00 0.284 3.03 8 1.10 0.091
Computed Peaks 2.25 9.37 50.00 0.980
Retention/Detention Facility I
T e of Facilit : D tention Pond I
yP y e
Side Slope: 3 .00 H:1V
Pond Bottom Length: 164.02 ft
Pond Bottom Width: 82.01 ft
Pond Bottom Area: 13451. sq. ft
Top Area at 1 ft. FB: 34045. sq. ft
0.782 acres
Effective Storage Depth: 1o.00 ft
Stage 0 Elevation: 389.00 ft
Storage Volume: 220323 . cu. ft
5.058 ac-ft
Riser Head: 10.00 ft
Riser Diameter: 18.00 inches
Number of orifices: 3
Full Head Pipe
Orifice # Height Diameter Discharge Diameter
(ft) (in) (CFS) (in)
1 0.00 2.45 0.515
2 5.28 3.36 0.666 6.0
3 8.33 6.39 1.429 10.0
Top Notch Weir: None
Outflow Rating Curve: None
Stage Elevation Storage Discharge Percolation Surf Area
(ft) (ft) (cu. ft) (ac-ft) (cfs) (cfs) (sq. ft)
0.00 389.00 0. 0.000 0.000 0.00 13451.
0 .03 389.03 404. 0.009 0.026 0.00 13496.
0.05 389.05 674. 0.015 0 .037 0.00 13525.
0.08 389.08 1081. 0.025 Q.045 0.00 13570.
0. 10 389.10 1353. 0.031 0.052 0.00 13599. '�
0.13 389.13 1761. 0.040 0 .058 0.00 13644. '
0. 15 389.15 2034. 0.047 O.Ob4 0.00 13674.
0. 18 389.18 2445. 0.056 0.069 0.00 13718.
0.20 389 .20 2720. 0.062 0.074 0.00 13748.
0.40 389 .40 5499. 0. 126 0.103 0.00 14048.
0. 60 389 .60 8339. 0.191 0.126 0.00 14350.
0.79 389 .79 11093 . 0.255 0.145 0.00 14640.
0. 99 389 .99 14052 . 0.323 0.162 0.00 14948.
1. 18 390.18 16920. 0.388 0.177 0.00 15243 .
1. 38 390.38 20000. 0.459 0.191 0.00 15557. I,
1.58 390.58 23143 . 0.531 0.204 0.00 15874. �
1.77 390.77 26188. 0.601 0.217 0.00 16177. ii
1.97 390.97 29455. 0.676 0.229 0.00 16499. I
2 . 16 391.16 32620. 0.749 0.240 0.00 16808.
2 .36 391.36 36014. 0.827 0.250 0.00 17136.
2 . 56 391.56 39474. 0.906 0.260 0.00 17466.
2.75 391.75 42823. 0.983 a.270 0.00 17783.
2 . 95 391.95 46413. i.065 0_280 0.00 18119.
3 .15 392 .15 50071. 1.149 0.289 0.00 18459.
3 . 34 392 .34 53609. 1.231 0.298 0.00 18783 .
3 . 54 392.54 57400. 1.318 0.306 0.00 19128.
3 .73 392 .73 61066 . 1.402 0.315 0.00 19458.
_ 3 .93 392 .93 64992. 1.492 0.323 0.00 19809.
4 .13 393 .13 68989.. 1.584 Q.331 0.00 20162.
. 4 .32 393 .32 72852. 1.672 0.339 0.00. 20500.
4.52 393 .52 76988. 1.767 0.346 0.00 20859.
4.71 393 :71 80984. 1.859 0.354 0.00 21203 .
4.91 393 .91 85261. 1.957 0.361 0.00 21567 .
5 . 11 394.11 89611. 2 .057 0.368 0.00 21935.
5 .28 394.28 93367. 2 .143 0.374 0.00 22249.
5 .31 394 .31 94035. 2.159 0.378 0.00 22305.
5.35 394.35 94929. 2 .179 0.388 0.00 22379.
5.38 394.38 95601. 2.195 0.403 0.00 22435. �,
5.42 394.42 96500. 2 .215 0.424 0.00 22510. �
5.45 394.45 97176. 2.231 0.449 �.00 22566.
5.49 394.49 98080. 2.252 0.480 0.00 22641_
_ - 5.52 394.52 98760. 2.267 0.513 0.00 22697.
5.56 394.56 99670. 2.288 0.546 0.00 22772.
5.59 394.59 100354. 2.304 0_557 0.00 22828.
5.79 394.79 104957. 2 .409 0.611 0.00 23205. j
5.98 394.98 109400. 2.511 0.656 0.00 23566. !
6.18 395.18 114152. 2.621 0.696 0.00 23949. II
6.37 395.37 118737. 2.726 0.732 0_00 24315. I
6.57 395.57 123639. 2 .838 0.766 0_00 24704. I
6 .77 395 .77 128618. 2 .953 0_798 0.00 25095.
6 .96 395 .96 133422. 3 .063 0.828 0.00 25470.
7 .16 396.16 138556. 3 .181 0.856 0.00 25866.
7 .35 396.35 143506. 3 .294 0.884 0.00 26246.
7 .55 396.55 148796. 3 .416 0.910 0.00 26649 .
_ , 7 .75 396.75 154166. 3 .539 0.935 0_00 27054.
7 .94 396.94 159343. 3 .658 0.959 0.00 27442 .
8 .14 397 .14 164873. 3 .785 0.983 0.00 27853 .
8.33 397 .33 170202. 3 .907 1.010 0.00 28246.
8 .40 397 .40 172184. 3 .953 1.030 0.00 28392 .
8.47 397 .47 174177. 3.999 1.080 0.00 28537 . I
8 .53 397 .53 175893. 4.038 1.150 0.00 28663 _ �'I
8.60 397.60 177904. 4.084 1.240 0.00 28809. ,
8 .67 397 .67 179926. 4.131 1.360 0.00 28956. I
8.73 397.73 181667. 4.171 1.500 0.00 29082 . ��
8 .80 397.80 183708. 4.217 1.810 0.00 29230.
8.87 397 .87 185759. 4.264 1.870 0.00 29378.
8.93 397 .93 187526. 4.305 1.930 0.00 29505.
9.13 398 .13 193469. 4.441 2.080 0.00 29930.
9.32 398.32 199194. 4.573 2 .220 0.00 30337.
9.52 398.52 205305. 4.713 2 .340 0.00 30767.
9.72 398.72 211502. 4. 855 2.460 0.00 31201.
9. 91 398_91 217469. 4.992 2.560 0.00 31616.
10.00 399. 00 220323 . 5.058 2.610 0.00 31813 .
10. 10 399.10 223516. 5.131 3.120 0.00 32033 .
10.20 399.20 226730. 5.205 4.020 0.00 32254.
10 .30 399.30 229967. 5.279 5. 160 0.00 32475.
10 .40 399.40 233225. 5.354 6.510 0.00 32698.
10 . 50 399.50 236506. 5.429 8.020 0.00 32920.
10.60 399 .60 239809. 5. 505 9.500 0.00 33144.
10 .70 399.70 243135. 5_582 10.070 0.00 33368 .
10 . 80 399.80 246483_ 5.658 10.610 0.00 33593 .
10 .90 399.90 249854. 5.736 11.110 0.00 33819.
11 .00 400.00 253247. 5.814 11.590 O.OQ 34045.
11 . 10 400. 10 256663 . 5 .892 12 .050 0.00 34273 .
_ 11.20 400.20 260101. 5.971 12.490 0.00 34501. I
11.30 400.30 263563. 6_.051 12,910 O.OQ 34729.
11.40 40.0.40 267047. 6.131 13.320 . 0.00 34959.
11.50 400.50 270555. 6.211 13 .710 0_00 35189.
11.60 400.60 274085. 6.292 14.090 0.00 35419.
11.70 400.70 277639. 6.374 I4.460 0.00 35651.
11 .80 400.80 281215. 6.456 14.820 Q.00 35883.
11.90 400.90 284815. 6.538 15.170 0.00 36116.
Hyd Inflow Outflow Peak Storage
Target Calc Stage Elev (Cu-Ft) (Ac-Ft)
1 b.68 2 .61 2.61 10.00 399.00 220322_ 5.058
2 3 .68 ******* 1.53 8.74 397 .74 181859. 4.175
3 4.44 ******* 1.35 8.66 397 .66 179695. 4.125
4 �.54 ******* 0.75 6.48 395.48 121525. 2.790
5 3 .72 ******* 0 .73 6.34 395_34 118004. 2.709
6 3 .67 ******* 0.39 5.35 394_35 94971. 2. 180
7 4 .29 ******* 0.33 4.06 393 .06 67507. 1.550
8 2 .20 ******* 0.28 3.03 392.03 47879. 1.099
Route Time Series through Facility
Inflow Time Series File:11189dev.tsf
Outflow Time Series File:11189rdout
InflowJOutflow Analysis
Peak Inflow Discharge: 6.68 CFS at 7:00 on Jan 9 in Year 8
Peak Outflow Discharge: 2.61 CFS at 12 :00 on Jan 9 in Year 8
Peak Reservoir Stage: 10.00 Ft
Peak Reservoir Elev: 399.00 Ft
Peak Reservoir Storage: 220322. Cu-Ft
. 5.058 Ac-Ft
Flow Frequency Analysis
Time Series File:11189rdout.tsf
Pro�ect Location:Landsburg
---Annual Peak Flow Rates--- -----Flow Frequency Analysis------
Flo�N Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS) (ft) Period
1. 53 2 2/09!O1 20:00 2.61 10.00 1 100.00 0.990
0 .284 8 11/OS/O1 3 :00 1.53 8.74 2 25. 00 0.960
0.726 S 2/28/03 19:00 1 .34 8.66 3 10. 00 0.900
0 .328 7 8/26/04 6:00 0.751 6.48 4 5.00 0.800
0 .751 4 1/05/OS 15:00 0.726 6.34 5 3 .00 0.667
0 .389 6 1/19/06 2:00 0.389 5.35 6 2 .00 0.500
1 .34 3 11/24/06 8:00 0.328 4.05 7 1_30 0.231
2.61 1 1/09/OS 12:00 0.284 3 .03 8 1.10 O.D91
Computed Peaks 2_25 9.37 50 .00 0.980
Flow Duration from Time Series File:11189rdout.tsf
Cutoff Count Frequency CDF Exceedence_Probability
CFS $ $ $
0.022 33762 55.059 55.059 44.941 �.449E+00
0.065 5780 9.426 64.485 35.515 0.355E+00
0.107 6313 10.295 74.780 25.220 0.252E+00
0. 150 5297 8.638 83 .418 16.582 0.166E+00
.___ 0. 193 4099 6.685 90 .103 9. 897 0 .990E-01
0.236 2499 4.075 94.178 5.822 0.582E-01
0.278 1548 2.524 96,703 3.297 0.330E-01
0.321 812 1.324 98.027 1.973 0.197E-01
0.364 706 1.151 99.178 0.822 0. 822E-02
0.407 172 0.280 99.459 0.541 0.541E-02
0.450 24 0.039 99.498 0.502 0.502E-02
0.492 18 0.029 99.527 0.473 0.473E-02
0.535 16 0.026 99.553 0.447 0.447E-02
0.578 48 0.078 99.631 0.369 0.369E-02
0.621 44 0.072 99.703 0.297 0.297E-02
0.664 30 0.049 99.752 0.248 0.248E-02
0.706 25 0.041 99.793 0.207 0.207E-02
0_749 27 0.044 99.837 0.163 0.163E-02
0.792 10 0.016 99.853 0.147 0.147E-02
0.835 11 0.018 99.871 0.129 0.129E-02
0.878 12 0.020 99.891 0. 109 0.109E-02
0.920 16 0.026 99.917 0.083 0.832E-03
0 .963 19 0.031 99.948 0.052 0.522E-03
1.01 12 0.020 99.967 0.033 0.326E-03
1 .05 6 0.010 99.977 0_023 0.228E-�3
1.09 2 0.003 99.980 0.020 0.196E-03
1. 13 1 0.002 99.982 0.018 0_179E-03
1. 18 2 0.003 99_985 0_015 0 .147E-03
1.22 1 0.002 99.987 0.013 0.130E-03
1.26 3 0.005 99.992 0.008 0.815E-04
1. 31 0 0.000 99.992 0.008 0.815E-04
, 1.35 2 0.003 99.995 0.005 0.489E-04
1 .39 1 0.002 99.997 0.003 0.326E-04
1.43 0 0.000 99.997 0.003 0.326E-04
1.48 0 0.000 99.997 0.003 0.326E-04
1. 52 1 0.002 99.998 0. 002 0 . 163E-04
Flow Duration from Time Series File: 11189pre.tsf
Cutoff Count Frequency CDF Exceedenc.e_Probability
CFS $ $ $
0.382 60767 99.098 99.098 0.902 0.902E-02
0.435 119 0.194 99.292 0.708 0.708E-02
0.489 83 0.135 99.428 0.572 0.572E-02
0.542 42 0.150 99.578 0.422 0.422E-02
0.596 58 0.095 99.672 0.328 0.328E-02
0.649 50 0.082 99.754 0.246 0.246E-02
0.702 35 0_057 99.811 0.189 0_189E-02
0.756 27 0.044 99.855 0.145 0.145E-02 '
0_809 18 0.029 99.884 0.116 0.116E-02
0.863 9 0.015 99.899 0.101 O.101E-02
0.916 10 0.016 99:915 0.085 0.848E-03
0.969 9 0.015 99.930 0.070 0.701E-03
1.02 9 0.015 99.945 0.055 0.554E-03
1.08 5 0.008 99.953 0.047 0.473E-03
1. 13 8 0.013 99.966 0.034 0.342E-03
1. 18 3 0.005 99.971 0_029 0.294E-03
1 .24 5 0.008 99.979 0_021 0_212E-03
1.29 2 0.003 99.982 0.018 0.179E-03
1. 34 4 0.007 99_989 0.011 0:114E-03
1.40 2 0.003 99_992 0.008 0.815E-04
1.45 2 0.003 99.995 0.005 0.489E-04
1.50 1 0.002 99.997 0.003 0.326E-04
1 .56 2 0.003 100.000 0.000 O.O00E+00
, 1.61 0 0.000 100.000 0.000 O.O00E+00 �
1. 66 0 0_000 100.000 0.000 O.O00E+00
1. 72 0 0.000 100.000 0.000 O.O00E+00
1 .77 0 0.000 100.000 0.000 O.O00E+00
1 . 82 0 0.000 1fl0.000 0.000 O.O00E+00
1 . 88 0 0.000 100.000 0.000 O.O00E+00
1 . 93 0 0.000 100.000 0.000 O.O00E+00
i . 98 0 0.000 100.000 0.000 O.O00E+00
2 . 04 0 0.000 100.000 0.000 O.O00E+00
2 .09 0 0.000 100.000 0.000 O.O00E+00
2 . 14 0 0.000 100.000 0.000 O.O00E+00
2 . 20 0 0.000 100.000 0.000 O .O00E+00
2 . 25 0 0 .000 100.040 0.000 O.O00E+00
..-�..
i
Flow Duration from Time Series File:11189rdout.tsf
Cutoff Count Frequency CDF Exceedence_Probability .
CFS $ $ $
0.022 33762 55.059 55.059 44.941 0 .449E+00
O.Q65 5780 9.426 64.485 35.515 0.355E+00
0.107 6313 10.295 74.780 25.220 0.252E+00
0.150 5297 8.638 83.418 16.582 0.166E+00
0.193 4099 6.685 90.103 9.897 0.990E-01
0.23b 2499 4.075 94.178 5 .822 0.582E-01
0.278 1548 2.524 96.703 3.297 a.330E-01
0.321 812 1.324 98.027 1.973 0.197E-01
0.364 706 1.151 99.178 0.822 0.822E-U2
0.407 172 0.280 99.459 0.541 0.541E-02
0.450 24 0.039 99.498 0.502 0.502E-02
0.492 18 0.029 99.527 . 0.473 0.473E-02
0.535 16 0.026 99.553 0 .447 0_447E-02
0.578 48 0.078 99.b31 0.369 0.369E-02
0. 621 44 0.072 99.703 0.297 0.297E-02
0.664 30 0.049 99.752 0.248 0.248E-02
0.706 25 0.041 99.793 0.207 0.207E-02
0.749 27 0.044 99.837 0. 163 0. 163E-02
0.792 10 0.016 99.853 0.147 0.147E-02
0.835 11 0.018 99.871 0.129 0.129E-02
0.878 12 0.020 99.891 0.109 0.109E-02
0. 920 16 0. 026 99.917 0.083 0.832E-03
0.963 19 0.031 99.948 0.052 0.522E-03
; -� 1.01 12 0.020 99.967 0.033 0.326E-03
1.05 6 0.010 99.977 0.023 0.228E-03
1.09 2 0.003 99.980 0.020 0.196E-03
1.13 1 0.002 99.982 0.018 0.179E-03
1.18 2 0.003 99.985 0.015 0.147E-03
1.22 1 0.002 99.987 0.013 0.130E-03
1.26 3 0.005 99.992 0.008 0.815E-04
1.31 0 0.000 99.992 0.008 0.815E-04
1.35 2 0.003 99.995 0.005 0.489E-04
1.39 1 0.002 99.997 0.003 0.326E-04
1.43 0 0.000 99.997 0.003 0.326E-04
1 .48 0 0.000 99.997 O.Ofl3 0.326E-04
1 . 52 1 0.002 99.998 0.002 0.163E-04
i
�,,,.+ Duration Comparison Anaylsis
Base File: 11189pre.tsf
New File: 11189rdout_tsf
Cutoff Units: Discharge in CFS
-----Fraction of Time----- ---------Check of Tolerance-------
Cutoff Base New $Change Probability Base New �Change
0.382 � 0.90E-02 0.59E-02 -35.1 � 0.90E-02 0.382 0.360 -5.7
0.470 � 0.61E-02 0.49E-02 -19.8 � 0.61E-02 0.470 0.376 -20.1
0.559 � 0.40E-02 0.41E-02 3.3 � 0.40E-02 0.559 0.564 1.0
0.647 � 0.25E-02 0_26E-02 4.6 � 0.25E-02 0.647 0.664 2 .6
0.736 � 0.16E-02 0.17E-02 6.1 � 0.16E-02 0.736 0.750 1.9
0.825 � 0 .11E-02 0.13E-02 17.4 � 0.11E-02 0.825 0.872 5.7
0.913 � 0.85E-03 0.88E-03 3.8 � 0.85E-03 0.913 0.916 0.3
1.00 � 0.62E-03 0.34E-03 -44.7 � 0.62E-03 1.00 0.949 -5.2
1.09 � 0.44E-03 0.20E-03 -55.6 � 0.44E-03 1.09 0.978 -10.3
1.18 � 0.31E-03 0.15E-03 -52.6 � 0.31E-03 1.18 1.01 -14.2 '
1.27 � 0.18E-03 0.82E-04 -54.5 � 0.18E-03 1.27 1.16 -8.7
1 . 36 � 0.11E-03 0.49E-04 -57.1 � 0.11E-03 1.36 1.25 -7.7
1.44 � 0.65E-04 0.33E-04 -50.0 � 0.65E-04 1.44 1.34 -7.1
1. 53 � 0 .16E-04 O.00E+00 -100.0 � 0.16E-04 1.53 1.53 -0.4 '
D:aximum positive excursion = 0.058 cfs ( 7.4�)
occurring at 0.789 cfs on the Base Data:11189pre.tsf
and at 0.847 cfs on the New Data:11189rdout.tsf
i�taximum negative excursion = 0.101 cfs (-21.2$)
occurring at 0.479 cfs on the Base Data:11189pre.tsf
and at 0 .377 cfs on the New Data: 11189rdout.tsf
,.-'-� PROPOSED PLAT OF STONERIDGE
SIZE THE I3ASIC WET POND
V� _ (0.9 A;+0.25 Atg](0.043)
_ [(0.9)(9.62)+(0.25)(6.56)](0.043)(43,560)
= 19,306 CF
Vb = (3)(V�)=57,918 CF
11189.00Ldoc[JPJ/dm/tep]
�..
5.0 CONVEYANCE SYSTEM ANALYSIS
AND DESIGN
,._.. 5.0 CONVEYANCE SYSTEM ANALYSIS AND DESIGN
As mentioned previously, the SCS-based hydrograph method was utilized for the 25-year rainfall
precipitation during the 24-hour storm event for a hydrograph computed for each catch basin
sizing the conveyance system on-site and routing runoff into the wet/detention pond located in the
north central portion of the project site. This is in accordance with the 1998 King County Surface
Water Design Manual when the contributing area is over 10 acres in size.
11189.00l.doc[JP1/dm/tep)
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Appended on: 16:58:53 Thursday� March 11, 2004 �� 5 1 n �%X�„� � �i�. �p �
'd"Y►� ��c�,'!f'!o/) �.'�oG � +� � '�"`�� �o^'f--^�.� ,f-,��
11189upstream east Event Summary �s�� . �
j Event �Peak Q (cfs)�Peak T (hrs) Hyd Vol (acft) IAre�Method Raintype�
r6 month � 3.2145 9.00 3.1401 87.2400 SBL7H ;TY�IAE
! 2 year ' 9.4961 � 8.67 7.2749 87.2400 SBiTH ;T IEYP A ;
j 10 year ;; 17.0308 � 8.50 11.8768 , 87. 42 00 SBUH i TYPE l A �
25 year ' 22.6093 j- 8.50 �15.2297 87.2400 SBLTH TYPEIA
100 year� 28.0471 8.50 18.4843 87. 42 00 SBUH T� YPEIA �
� � I �I ,
Record Id: 11189upstream east
Design Method �BIJH �Rainfali type TYPEIA
Hyd Intv 10.00 min �Peaking Factor 484.00
� �Abstraction Coeff 0.20
. jPervious Area 87.24 ac �DCIA 0.00 ac
rPervious CN 85.96 !DC CN � 0.00
` jPervious TC I 60.09 min ;DC TC 0.00 min
�i=-_ - - __
, Pervious CN Calc
� - -
�� Description � SubArea �Sub cn
i�--------__..__.____------
;� _ Impervious surfaces (pavements, roofs,etc) ; 4.36 ac � 98.00
rMeadow or Pasture � 82.88 ac 85.00
Pervious Composited CN(AMC 2) 85.65
� � Pervious TC Calc
��Type Description Length Slope ; Coeff Misc TT
'� " 2 20 41.45
i ISheet Dense grasses : 0.24 300.Q0 ft 2.00%j0.2400 . '
i, I ; in min
1 i �Short grass, pasture and lawns 0.90
IShallow �i�n-0.030} 100.00 ft 3.00°Io 0.0300� min
I
Channel 'I 2700.00 15.30
;Grassed(n=0.030) 3.00%i0.0300
interm ft 'min
I� � i � I ��
!�Channel � 2.45 �
��11 �term� ^�Concrete pipe (n=0.012) ,625.00 ft 1.00°10 0.0120� �� (
,
� i i
,-------- _ _- ----- ------ ---- ----- ----- I
� ` 60.09
�I - - Pervious TC ! I I
; min IJ
--------_-----------
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-- Appended on: 08:53:44 Frida}�, April 02, 2004
ROUTEHYD [] THRU [pond] USING `I'YPElA AND [25 year) NOTZERO
RELATIVE SCS/SBUH
Reach ^ Area ; Flow rFull Q Full nDepth S nVel ' fVel �CB sa in/
` ID (ac) (cfs) I (cfs) ; ratio � (ft) , ( (ftls) , (ft/s) ; Hyd
� : 12��
; p23 ; 0.6600 ^0.4503 13.0429 0.03 0.1274 Diam 7'7257 16.6068 cb23 �
� � f � �I ���
---- ;-- r- �I
� p28 ; 0.3700 ;0.2512 13.0282 � OA2 0.0962 . Diam 6.5063 16.5881 jcb28
� ! �; -; . i-- . � 12" ,
' p32 ; 0.3500 i 0.2382 8.8808 0.03 0.1128 4.8844 11.3074 cb32 �
! ; I Diam ���
_.___._.__..--:-__ _-----�------,-; - �
i �-- 12"
p35 0.4400 0.2983 ; 4.1199 ; 0.07 , 0.1821 � Diam 3.0505 , 5.2456 cb35 I
i ; �
- --- - ___ _----:-- - -----' -' - ---� r--i
12" ' ' i
p36 0.4000 ;0.2722 ( 9.4786 � 0.03 ► 0.1167 �Diam 5.3109 i 12.0686 ;cb36 !
� I � i � ;
i.-------f--- �I - 12 �-r--- ;
p34 1.0000 �0.680� F 3.7125 i 0.18 0.2896 (Diam i 3.6074 i 4.7270 cb34 i
� E �
t -- „ �
r -� ; p38 1 0.3500 i 0.2382 � 2.5261 � 0.09 i 0.2075 Diam � 2•0205 3.2163 =cb31 8 I
--- -- �- , - �--)
" p44 �0.1600 i 0.1275 11.3307 � 0.01 I 0.0747 �Diam 4.7920 I 14.4268 icb44 i
_---------- ` �
_ �
; p46 i 0.1300 �0.1036 10.6�75 0.01 0.0698 Diam 4.3024 �13.5695 cb46 i
i
. p45 ; 0.2000 '0.1594 2.5261 00 6 0.1704 12 1.7939 3.2163 cb4r 5 1
: � � �� � Diam ��I (
� (---------;- -j--- � 12„ I
47 ' 0.3b00 0.2869 2.52b1 0.11 0.2275 2.1346 3.2163
p i Diam �
(
,
____ .___ . ------- -
-,--- ; t--r--�
� p37 0.7700 '0.�659 ' 2.5261 ; 0.22 � 0.3218 ;Dlam � 2.5919 � 3.2163 .Icb37 �
!
'i ; ;
� -- - ---- ---------- i
__--- - ---- .---- -i2 -�
; p33 2.3300 1.6286 2.5261 0 64 ' 0.5845 3.4160 i 3.2163 icb33 �
� ' Diam ;
__ ___ --.._ -- ------,.- - -
�
� � 0.26 0.3491 I 12 �8.5153 � 10.0891 cb29 I
; p29 2.9900 ` 2.0789 ; 7.9240 ; I �
, � Diam �
---__�._ ------� �----I 12 , `i
„ �
,; p27 3.4100 '23642 ! 2.5261 � 0.94 0.7671 Diam 3.6570 i 3.2163 icb27
: ,
-- _--_. _ _---�_ ;_- -----�--------� . ---�--„ ----r--�--
; p24 3.6800 2.5473 � 4.5801 ' 0.56 � 0.6662 ' 15 3.8302 i 3.7322 cb24
� j j � ;Diam � (
; p22 � 4.6100 j 3.1808 ` 4.5 180 �9 0.7663 15" 4.0329 3.7322 cb24
- ---_ _
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� p5 2.3800 ' 1.6202 ; 2.� 5261 i 0.64 0.5825 D12� 3.4120 3.2163 cb5-� �
: � ���� ;
�---- _-- - ��
;-12, _
, p8 0.1800 �0.1231 : 2.5261 0 OS ; 0.1499 � Diam 1.' 66�5 3•2163 'cb8 �
i i � �,
---__ _ _ _---- -------- -� ;.-- -�-��� -I
i pl l ' 0.2900 '0.1962 ! 2.5261 � 0.08 � 0.1885 � 12 � 1.9101 3.1 2163 �cbl l
� ; Diam � � � I
--- -------- r---�- `-- i
p 14 0.7600 0.5183 5.0268 ' 0.10 � 0.2173 12 4.1181 6.4003 icb 14 �
�
� ` i Diam � j
, p 13 j 1.0000 �0.680� 7.6703 ; 0.09 � 0.2417 1.2 6.0140 9.7661 cb 13
, � � E , : ;Diam ��
�
; p16 � 0.8600 �0.5864 C ll.6 58 6 i 0.05 i 0.1519 � � 7.7975 14.8786 cb16 j
� � ? I I I �D i a m ,���
------. --- � I
� ,,
� p19 ; 0.4800 �0.3272 8.6035 i 0 04 0.1333 ' Diam 5.2582 10.9543 cb19 �
i ` ; �I � � �
��.
-------�------, �,---. �
, p21 0.0500 �0.0340 ! 2.5261 0.01 0.0815 12, 1.1238 3.2163 �cb21
�
; j Diam (
------�-----� i r--- - „
p20 0.1300 �0.0890 ; 2.5261 � 0.04 �0.1284 Diam 1.5109 3.2163 �cb2� 0
i �� �
_ ----- ----__ �__---- ; '- --
� 12„
, p18 0.8800 i 0.�994 i 2.5261 � 0 �4 � 0.3315 �Diam 2.6350 3.2163 `cb18 �
_ _ _ _ - __--- ------- -�-- --_-----; r---, i
' I2,�
p17 1.0000 0.6805 � 2.5261 0.27 ; 0.3550 ; Diam 2•�249 � 3.2163 �cbl7 '
I I E
__ -- __ _ ___ ___ ---- - ----- -- ---_ __ -- --- -----'
'�� p15 � 2.0700 �� 1.4110 � 2.5261 - 0 56 � 0.5347 � Diam 3.3018 �3.2163 �cb15
; ;
. ------ ------------'-- ' ' ,
;
. �-� k i
; p12 ; 3.3700 ;2.29�6 +.1448 I 0.32 i 0.3901 j Diam g•0910 9.0970 )cb12
; i I
4- �--- 12" �-
� p10 � 3.7100 �2.52�8 � 9.5658 ! 0.26 ' 0.3511 10.2674 12.1795 cb10
; � ; , I Diam ���
;-- --�-----r--- �- r-
; p9 ' 3.7400 ';2.5468 � 11.0687 ! 0.23 r0.3267 Dia'm 11.4260 14.0931 �cb9
' � ��
� I
;------�----:- r----r-- 12"
; p7 : 3.9600 � 2.6989 � 12.0406 � 0.22 0.3218 Diam 12.3617 15.3306 cb7
�
, ---,-----, 12"
' p4 � 6.3800 14.3480 � 14.9870 � 0.29 0.3687 16.5400 19.0821 cb4
; Diam
_.----'--------,-
� ' ��
1 �
p3 11.2600 '7.71 i9 � 8.6173 ; 0.89 ! �-9225 Diam �•9426 7.0220 �cb2M 4
_ - __ _ . _ ---_ ___ - ---- -
� i
15„ ;
p2 11.5300 7.8951 27.7084 : 0.28 0.4568 19.4476 22.5788 �cb24 �
; Diam i
; ;
_- _____ ____ ___ ____.---- -_____- -- =- ----._.-__-----_----- '
- -- ----�
�,, Appended on: 08:10:29 Friday, Apri102, 2004
Layout Report: pond
; Event iPrecip (in)�
�2 year `2.2000 �
'10 year 2.9700
------------ - -
12� year ',3.5000
;-- _____-�--------_ ----
;100 year;4.U000
Reach Records
Record Id: p10
�ection Shape: iCircular I
�Un foi�r-m Flow Method: :Manning's Coefficient: 0.0130
Routing Method: �Travel Time Translation Contributing Hyd�
DnNode �cb9 UpNode cb10 �
,,�., I
�Material ;Conc-Spun Size 12" Diam
�Ent Losses Groove End w/Headwall �
,
iLength 54.0000 ft �lope 7.17% 'i
'-------------------------------------- --
� ;Up Invert 100.0000 ft jDn Invert 961282 ft ;
- - -- — -- — �
�-=--_ -_-_=----__-_—__---_=_= t
�!
Conduit Constraints
�jMin Vel ;Max Vel IMin Slope�Max Slope Min Cover .
�i 1.00 fUs ;15.00 fVs j0.20% �50.00°Io 3.00 ft j �
�------
�Drop across MH �0.0000 ft rEx/Infil Rate 0.0000 in/hr
��
Up Invert �96 1282 ft jDn Invert �100.0000 ft �
r----Match inverts. ;
---------------- i
I
Record Id: pll
Section Shape ;Circular i
Uniform Flow Method: ;Manning's Coefficient: 0.0130 '
Routing Method: 'Travel Time Translation Contributing Hyd�—
!DnNode J!cb10 UpNode cbll
-"'� ;Material � jConc-Spun �Size 12" Diam i
;En Losses �Groove End w/Headwall t
;Length '31.0000 ft _' Slope 0.50% �
�Up Invert i 100.0000 ft �Dn Invert �99.8� 450 ft �
�
;; Conduit Constraints
!�Min Vel IMax Vel �Min Slope�Max Slope jMin Cover ;
� 1.00 fVs 15.00 ft/s�0.20% 50.00% �3.00 I
i- '
Drop across MH ;0.0000 ft Ex/Infil Rate �0.00 0�
Up Invert �99.8450 ft �Dn Invert 100.0000 ft I _
;Match inverts. �
Record Id: p12
�Section Shape: ;Circular �
� ;Uniform Flow Method: �Manning's Coefficient: 0.0130 '
;Routing Method: ;Travel Time Translation Contributing Hyd�---,
'�� ,DnNode ;cb10 jUpNode cb12
_ �,
�Material �Conc-Spun �Size i 12" Diam ,
�Ent Losses Groove End w/Headwall
jLength ;100.0000 ft �Slope 4.00% i
�Up Invert :100.0000 ft Dn Invert 96.0000 ft �
Conduit Constraints
�Min Vel �Max Vel Min Slope Max Slope f 1VI�Cover ;
j 1.00 ft/s 15.00 ftJs 0.20% 50.00% 3.00 ft � �
;Drop across MH i0.0000 ft Ex/Infil Rate ;0.0000 in/fir
,---__ -----------__ -------___ _----__- -_ ____ -'------ ------- - --------
!Up Invert '96.0000 ft �Dn Invert ;100.0000 ft ;
— ------------ �
'Match inverts. '
,
Record Id: p13
�Section Shape: Circular �
;Uniform Flow Method: �Manning's �;Coefficient: ;0.0130 �
- - �Routing Method: jTravel Time Translation�Contributing Hyd�---�
�
�`""' DnNode icb 12 UpNode cb 13 !
�
�Material �Conc-Spun Size �12" Diam—'
!Ent Losses iGroove End w/Headwall
�Length '31.0000 ft �Slope 4.b1%
�
Up Invert ;100.0000 ft +Dn Invert 98.5709 ft :
�� Conduit Constraints � ;
;
, --------___--—� --;--------i
;�Min Vel 'Max Vel �Min Slope�Max Slope:Min Cover
, :I1.00 ft/s I5.00 ft/s I0.20% �50.00°Io ;3.00 ft
r,�__---�_,'-
�Drop across MH 0.0000 ft� ��Ex/Infil Rafe �.0000 in/hr I
�Up In�vert ;98.5709 ft Dn Invert �100. 00 00 f '
;Mat� ch inverts.
Record Id: p14
jSection Shape: Circular
iUniform Flow Method: �Manning's jCoefficient: �0.0130
a �
= � �Routing Method: iTravel Time Translation;Contributing Hyd�—
�DnNode cb13 �UpNode �cbl� 4
jMaterial ;Conc-Spun Size �12" Diam '
;Ent Losses �Groove End w/Headwal!
;Length---------------77.0000 ft -------- ;Slope ----�--�1.98%^
jUp Invert ' '100.0000 ft IDn Invert ! ;98.4754 ft '
`j Conduit Constraints .
;
iMin Vel�Ma�el Min Slope Max Slope Min Cover
j 1.00 ft/s �15.00 fds 0.20% 50.00% 3.00 ft
�
(�Drop across MH �0.0000 ft ,Ex/Infil Rate f0.0000 in/hr'
iUp Invert !98.4754 ft lDn I evn rt 100.0000 ft �
�
�Match inverts. i
, ,
Record Id: p15
;Section Shape: �Circular i
- - — `I
'Uniform Flow Method: �Manning's ,Coefficient: �0.0130
=---------____------ _-- ___--._..----------- -=---�1
r-- --
��-� iRouting Method: 'Travel Time Translation�Contributing Hyd�
iDnNode ;cb12 ;UpNode �cb15
!Material 'Conc-Spun Size 12" Diam
;Ent Losses Groove End w/Headwall '
Length '100.0000 ft Slope 0.50%
Up Invert ;100.0000 ft ,Dn Invert 99.5000 ft '�
�
,
�� Conduit Constraints �
jMin Vel Max Vel Min Slope Max Slope Min Cover
i1.00 ft/s 15.00 ft/s 0.20% 50.00% 3.00 ft ';
� P ; _ _ _ �'
Dro across MH 10.0000 ft Ex/Infil Rate 0.0000 in/hr�
�Up Invert ;99.5000 ft Dn Invert 100.0000 ft �'
�Match inverts.
Record Id: p16
------------ .------
!Section Shape: Circular
� � �Uniform Flow Method: Manning's ;Coefficient: �0.0130
,�outing Method: Travel Time Translation Contributing Hyd
DnNode �cb 15 UpNode cb 16
;Material �Conc-Spun Size 12" Diam
;Ent Losses 'Groove End w/Headwall
�Length !31.0000 ft Slope 10.70°Io I
Up Invert 100.0000 ft Dn Invert 96.6830 ft
�
,;
;; Conduit Constraints
�;Min Vel Max Vel Min Slope Max Slope Min Cover
�
;�1.00 ft/s �15.00 ft/s 0.20% 50.00% 3.00 ft
�Drop across MH 0.0000 ft �Ex/Infil Rate �0.0000 i rhn/ ' '
�Up Invert u 96.6830 ft !Dn I env�rt ;100. 00�00 tf i
'Match inveRs.'
Record Id: p17
- ISection Shape: �Circular I
� � ;Uniform Flow Method: �Manning's �Coefficient: 0.0130 ;
;Routing Method: Travel Time Translation� Contributing Hyd��!
;DnNode icb 15 �UpNode cb 17 `
-- �-
�
�Material Conc-Spun : Size 12" Diam �
�Ent Losses �Groove End w/Headwall
:Length 100.0000 ft Slope 0.50°Io
'Up InveR� v'100.0000 ft �Dn i vn eR 99.5000 ft '
Conduit Constraints
;jMin Vel ;Max Vel �Mi 1S on pe�Ma Slox pe Min Cover
-�—
;;1.00 ftls !15.00 ft/s 0.20% 50.00°l0 3.00 ft
"Drop across MH �0.0000 ft �Ex/Infil Rate ,�0.0000 inlhr��
iUp Invert ;99.5000 ft Dn Invert 100.0000 ft '
!Match inverts. '
Record Id: p18
'Section Shape: ;Circular �
;Uniform Flow Method: �Manning's Coefficient: j0.0130
;Routing Method: �Travel Time Translation Contributing Hyd ;
;DnNode l:cb17 UpNode cb18 ,
_ _______ _ _ �;
Material , 'Conc-Spun (Size 12" Diam
':Ent Losses IGroove End w/Headwall i
'Length '100.0000 ft Slope 0.50%
__.____----.--- —
'Up Invert '100.0000 ft ,Dn Invert �99.5 0
^ Conduit Constraints �
�iMin Vel `Max Vel Min Slope Max Slope+Min Cover ;
�;1.00 fUs 15.00 ft/s 0.20% 50.00°Io !3.00 ft i
��� �— �
; __
�Drop across MH ;0.0000 ft Eac/Infil Rate �0.0000 in/hr
IUp Invert I99.5000 ft Dn Invert 100.0000 ft
;Match inverts.
Record Id: p19
------____ _ __--------------------—-- -�
� fSection Shape: Circular
iUniform Flow.Method: :,Manning's Coefficienr. �0.0130
. ;Routing Method: `jTravel Time Translation Contributing Hyd�-;
�nNode :cbl8 UpNode cb19
Material ;Conc-Spun Size (12" Diam
'Ent Losses �Groove End w/Headwall i
Length j31.0000 ft Slope 5.80% !
Up Invert i 100.0000 ft Dn Invert 98.2020 ft '
_ . _
�-- Conduit Constraints
Min Vel �Ma� Min Slope Max Slope Min Cover' i
1.00 ft/s 15:00 ftJs 0.20% 50.00% 3.00 ft �
�rop across MH ;0.0000 ft Ex/Infi1 Rate (0.0000 in/hr
�Up Invert 98.2020 ft Dn Invert 100.0000 ft
,
Match inverts.----u---- '
Record Id: p2
ISection Shape: ;Circular
-- - ' r--
�Uniform Flow Method: ';Manning's �Coefficient: (0.0130 �
'Routing Method: Travel Time Translation�Contributing Hyd�--_'
;DnNode ;cb22 UpNode cb24
�Material Conc-Spun Size 15" Diam �
Ent Losses Groove End w/Headwall I
Length ;41.0000 ft Slope 18.30°Io i
;Up Invert `100.0000 ft Dn Invert 92.4970 ft �
-- ---- I
�! Conduit Constraints
iiMin Vel 'Max Vel �Min Slope Max Slope Min Cover !
�� �
' 1.00 ft/s ;15.00 ft/s'0.20%` �0.00%! 3.00 ft �
'Drop across MH '0.0000 ft �Ex/Infil Rate ,0 0000 in/hr j
�--�
Up Invert !92.4970 ft Dn Invert !100.0000 ft :
;Match inverts.
Record Id: p20
-� Section Shape: ;Circular I
Uniform Flow Method: ;Manning's Coefficient: 0.0130 �
�Routing Method: ;Travel Time Translation Contributing Hyd�±
;DnNode ;cb18 UpNode cb20
jMaterial ;Conc-Spun Size 12" Diam �
jEnt Losses 'Groove End w/Headwall
�ngth '87.0000 ft iS ol pe 0.50%
''Up Invert '100.0000 ft Dn Invert 99.5650 ft
Conduit Constraints �
;
� �;Min Vel �Max Vel �Min Slope M� Slope Min Cover �
1 j 1.00 fils j 15.00 ft/s 0.20% 50.00% 3.00 ft
!Drop across MH �0.0000 ft Ex/Infil Rate 0.0000 in/hr
iUp Invert '99.5650 ft ,Dn Invert 100.0000 ft �'
�Match inverts. +
Record Id: p21
�Section Shape: �Circular I
Uniform Flow Method: 'Manning's Coefficient: 0.0130
iRouting Method: ':Travel Time Translation Contributing Hyd�—
'DnNode ^�cb20 �UpNode ,cb21
Material �Conc-Spun �Size 12" Diam ;
�Ent Losses ;Groove End w/Headwall �
;Length ;31.0000 ft Slope 0.50% �
lUp Invert �'100.0000 ft +Dn Invert �99.8450 ft
i -- _
�;; Conduit Constraints ;
��Min Vel �ax Vel Min Slope Max Slope Min Cover
j,1.� ftJs j 15 00 ft/s 0.20% 50.00% 3.00 ft �
�
iDrop across M�T �0.0000 ft Ex/Infil Rate 0.0000 in/hr
�Up Invert ,99.8450 ft Dn Invert 100.0000 ft
�Match inverts.
- ----- �
Record Id: p22
------_____ _ _ _ -___._-- ----_______ _
'-'� 'jSection Shape: Circular
_ Uniform Flow Method: 'Manning's iCoefficient: �0.0130 '
!Routing Method: Travel Time Translation�Contributing Hyd
jDnNode icb22 �UpNode cb24 :
IMaterial :Conc-Spun �Size 15" Diam
;Ent Losses 'Groove End w/Headwall
�Length 20.0000 ft �Slope 0.50% '
�Up Invert �1U0.0000 ft Dn Invert ^99.9000 ft i
. �� Conduit Constraints
, Min Vel Max Vel Min Slope Max Slope Min Cover'
` 1.00 ft/s I 15.00 ftls 0.20% 50.00% 3.00 ft :
_ ;
�Drop across MI-I i0.0000 ft Ex/Infil Rate 0.0000 in/hr',
�Up Invert `99_9000 ft Dn Invert 100.0000 ft ;
�Match inverts. �
Record Id: p23
, �
_ ____ ____ _ _ - _ ___ _ _ _ _
;Section Shape. Circular
;Uniform Flow Method: 'Manning's ICoefficient: I0.0130
�Routing Method: 'Travel Time Translation �Co nbuting Hyd� �
�:DnNode 'cb22 �UpNode cb23
,Material � Conc-Spun �Size 12" Diam �
Ent Losses ;Groove End w/Headwall �
iLength �46.0000 ft Slope 13.33% �
IUp Invert 100.0000 ft Dn Invert 93.8682 ft ;
r- -
1'� Conduit Constraints �
,�Min Vel�Max Vel �Min Slope Max Slope Min Cover
;j 1.00 f�t/s �15.00 ft/s (0.20% 50.00% ,3.00 ft
�-- — -- - �
r---
;Drop across MH '0.0000 ft Ex/Infil Rate 0.0000 in/hr�
;Up Invert 93.8682 ft ;Dn Invert 100.0000 ft i
___---------- ,_. .__ ______ ;
!Match inverts. "
Record Id: p24
`� �Section Shape: Circular I
_ IUniform Flow Method: `Manning's iCoefficient: 0.0130 ! .
�Routing Method: ;Travel Time Translation�Contributing Hyd �
DnNode cb22 UpNode cb24
Materiai jConc-Spun Size 15" Diam_ :j
,
_ 'Ent Losses :Groove End w/Headwall !
Length '65.0000 ft �Slope 0.50% �
Up Invert 100.0000 ft IDn I�nvert 99.6750 ft ;
-- ---------- -- �
Conduit Constraints i
- i; � -
- i;Min Vel :Max Vel �Min Slope Max Slope Min Cover � ;
� �;I 1.00 ftls ;15.00 ft/s j0.20°Io 50.00°Io 3.00 ft `
-_-_---- ;
jDrop across MH 0.0000 ft (Ex/Infil Rate 0.0000 in/hr;
�,Up Invert i99.6750 ft �Dn Invert 100.0000 ft �
� (;Match inverts.
Record Id: p27 �
'Section Shape: �Circular I
�
I,Uniform Flow Method: �Manning's Coefficient: 0.0130 �
�Routing Method 'Travel Time Translation Contributing Hyd�—'; .
;DnNode ��cb24 UpNode cb27 �
j
;Material iConc-Spun �Size 12" Diam �
'Ent Losses' !Groove End w/Headwall �
---___------------ ;
! Length 42.0000 ft ;Slope �0.50%
Up Invert 100.0000 ft IDn Invert 99.7900 ft ;
___- - ___ _ __--__---------- — -
Conduit Constraints
�'
�Min Vel 'Max Vel ;Min Slope Max Slope Min Cover
�1.00 ft/s j 15 00 ft/s�0.20% 50.00% 3.00 ft �
(^------- ----
;Drop across MH i0.0000 ft �Ex/Infil Rate 0.0000 in/hr
;Up Invert 99.7900 ft ,Dn Invert 100.0000 ft �
�Match inverts.
Record Id: p28
�'�"'' iSection Shape: !Circular I
__ _---_ _ -------- ---- ------- �
Uniform Flow Method: �Manrling's ;Coefficient: �0.0130 �
_ - -- ------- --- ----- . .-- ---- _ , _
Routing Method: ',Travel Time Translation �Contributing Hyd; I ��
_ ----------------- --- ---- — �--
,DnNode ;cb27 UpNode � �cb28
iMaterial jConc-Spun Size �12" Diam
iEnt Losses Groove End w/Headwall
'Length ;31.0000 ft jSlope 13.30°Io �
�Up Invert ;100.0000 ft Dn Invert 95.8770 ft ;
,—,__--
� '' Conduit Constraints �
ii
�---- �
IMin Vel �Max Vel Min Slope Max Slope Min Cover
�1.00�s 15.00 ft/s 0.20% 50.00% 3.00 ft
_ __ _ _ ___ _ _ _ _
�Drop across MH �0.0000 ft Ex/Infil Rate 0.0000 in/hr
jUp Invert i95.8770 ft Dn Invert 100.0000 ft
!Match inverts. � I
Record Id: p29
_ __ --------------------- —
;Section Shape: �Circular �
�Uniform Flow Method: �Manning's Coefficient: ,0.0130
Routing Method: Tra lev Time Translation Contributing Hyd�
DnNode cb27 UpNode ,cb29 '•,
Material Conc-Spun ^ Size 12" Diam ;
-- �
'Ent Losses Groove End w/Headwall �
• ;
— ,
;Length ;89.0000 ft Slope 4.92% (
'Up Invert ;100.0000 ft Dn Invert 95.6212 ft
Conduit Constraints
!:Min Ve1 ;Max Vel IMi Slon pe Max Slope Min Cover
''1.00 fds j 15.00 ft/s i0.20% 50.00% 3.00 ft �
;Drop across MH i0.0000 ft Ex/Infil Rate 0.0000 in/hr�
i
Up Invert i95.6212 ft Dn Invert I100.0000 ft ;
----------..._---
��tatch inverts. �
Record Id: p3
"� Section Shape: Circular
� �Uniform Flow Method: ;Manning's Coefficient: 0.0130
,Routing Method: iTravel Time Translation Contributing Hyd �
i
;
jDnNode ;cb22 UpNode �cb24 ;
�
iMaterial iConc-Spun Size 15" Diam '
;Ent Losses ;Groove End w/Headwall i
(Length ;199.0000 ft Slope 1.77% �
Up Invert I100.0000 ft Dn Invert 96.4777 ft I
--_-_--_�- -_-------- ---- - �
� � Conduit Constraints
---- . .--- ______ _ ___-------�-- _--- — ---
Min Vel �Max Vel Min S1ope;Max Slope;Min Cover
____-- ---- ----- --------�------: -
:,�1.00 ft/s .1�.00 ft/s 0.20% j50.00% i3.00 ft ;
._--_p-------------- � :
Dro across MH ,0.0000 ft Ex/Infil Rate 0.0000 in/hr�
iUp Invert '96.4777 ft Dn Invert 100.0000 ft �
Match inverts.
�
�
:-_.l
Record Id: p32
�Section Shape: :Circular I I
�Uniform Flow Method: ;Manning's Coefficient: 0.0130 !
';Routing Method: �Travel Time Translation Contributing Hyd �
;DnNode ;cb29 UpNode cb32 �
'Material . 'Conc-Spun Size 12" Diam i
-- _ _-- -------------- ;
'Ent Losses Groove End w/Headwall !
---- _ ___- --- -- ------------------ ;
Length 31.0000 ft Slope �.18% �
_____ _-- _..---- —----------__-
Up Invert 100.0000 ft Dn Invert �98.0842 ft '
--- _ ___ --------------------
' Conduit Constraints �
i
�IMin Vel jMax Vel +Min Slope�ax Slope Min Cover �
i;-------;-- r-- I:
;;1.00 ft/s i 15.00 ft/s i0.20%�50.00%{3.00 ft
'Drop across MH ;0.0000 ft Ex/Infil Rate �0000 in/hr
I,Up Invert j98.0842 ft Dn InveR �1Q0.0000 ft ;
--- -- ;
;Match inverts.
Record Id: �33
- _ ____ ------_ __ --------------- —
� �Section Shape: Circular
!Uniform Flow Method: ;Manning's I�Coefficient: 0.0130
�Routing Method: Travel Time Translation(Contributing Hyd�—i
i-----------. ----_-:-----------
�DnNode 'cb29 UpNode ,cb3r 3—;
;Material jConc-Spun Size 12" Diam :
:Ent Losses Groove End w/Headwall
�Length '152.0000 ft Slope 0.50%
Up Invert '100.0000 ft �Dn Invert 99.2400 ft ;
,� Conduit Constraints �
,� .
! Min Vel�Max Vel Min Slope Max Slope Min Cover ;
� 1.00 ftls 15.00 ft/s a0.20°I 50.00% � 3.00 ft
�Drop across MH '0.0000 ft Ex/Infil Rate 0.0000 in/hr�
�Up Invert ;99.2400 ft Dn Invert 100.0000 ft
�
�Match inverts.
_�
Record Id: p34
---__ _ ._ ____ __
Section Shape: Circular
;Uniform Flow Method: Manning's jCoefficient: �0.0130
'Routing Method: Travel Time Translation jContributing Hyd�—,
jDnNode ;cb33 UpNode �cb34 :
�
Material 'Conc-Spun ,Size 12" Diam ;
�Ent Losses "Groove End w/Headwall i
jLength �66.0000 ft ;Slope 1.08°Io �
�
�Up Invert ';100.0000 ft �Dn Invert 99.2872 ft
;------------------ -------
� Conduit Constraints
;r___
Min Vel iMax Vel IMin Slope Max Slope Min Cover �
1.00 ft/s j 15.00 ft/s�0.20% 50.00% 3.00 ft j
Drop across MH ':0.0000 ft {Ex/Infil Rate 0.0000 in/hr;
Up Invert �99.2872 ft � 'Dn Invert 100.0000 ft � ,
r----_----------------
�Match inverts.
Record Id: p35
�""* iSection Shape: 'Circular ! I
- ':Uniforrn Flow Method: Manning's jCoefficient: �0.0130 �
jRouting Method: 'Travel Time Translation Contributing Hyd�
�nNode jcb34 UpNode cb35
�i
�Material Conc-Spun Size 12" Diam �
�Ent Losses �Groove End w/Headwall ;
iLength '30.0000 ft Slope 1.33°Io
;Up Invert 100.0000 ft Dn Invert 99.6010 ft ;
—
'�� iSection Shape: 'Circular I
[Jniform Flow Method: Manning's - �Coefficient: �0.0130 !
;Routing Method: Travel Time Translation �Contributing Hyd�'
--------- -- - _._------ ----------------..-- ---
;DnNode ';cb33 IUpNode �cb37
r.__ � �
;Material "T;Conc-Spun jSize 12" Diam
iEnt Losses 'Groove End w/Headwall
iLength '106.0000 ft ;Slope �0.50%
jUp Invert '100.0000 ft �Dn Invert r99.4700 ft '.
�i Conduit Constraints
(Min Vel ;Max Vel Min Slope Max Slope Min Cover
�1.00 ft/s �15.00 ft/s�0.20% 50.00% 3.00 ft
� i
Drop across MH ;0.0000 ft ExlInfil Rate 0.0000 in/hr�
iUp Invert �99.4700 ft Dn Invert �00.0000 ft '
;
jMatch inverts.
Record Id: p38
, �,
_ ---- - - --___ _ __ ___ _ _ - ----- ._
iSection Shape: Circular �
�Uniform Flow Method: ;Manning's jCoefficient: �0.0130
;Routing Method: Travel Time Translation Contributing Hyd�-
:DnNode ;cb37 �UpNode cb38 ',
',Material �Conc-Spun jSize 12" Diam
jEnt Losses 'Groove End w/Headwall
ILength ',31.0000 ft �Slope 0.50% ;
IUp Invert �100.0000 ft Dn Invert 99.8450 ft �
� ��.
j Conduit Constraints '
,,Min Vel Max Vel Min Slope Maac Slope Min Cover
i j 1.00 ft/s 15.00 ftJs�0.20% 50.00% �3.00 f
iDrop across MH 0.0000 ft Ex/Infil Rate 0.0000 in/hr I
Up Invert `99.8450 ft Dn Invert 100.0000 ft �
----- i
'•.Match inverts. I
�
Record Id: p4
_ ____---- _- - __ _ _ ------------�
' �'• ;Section Shape: ;Circular i
jUniform Flow Method: �Manning's jCoefficient: �0.0130
jRouting Method: Travel Time Translation Contributing Hyd
�DnNode !cb3 UpNode cb4 ''
'Material Conc-Spun Size 12" Diam
;Ent Losses iGroove End w/Headwall �
iLength !,119.0000 ft ;Slope 17.60% i
�Up Invert '100.0000 ft Dn Invert 79.0560 ft ',
� _ __
_ __
_. ..
;� Conduit Constraints
� '�Min Vel �Max Vel Min Slope Max Siope Min Cover
r-- ,--
� ''1.00 ft/s ':.15.00 ft/s!0.20% 50.00% 3.00 ft
Drop across MH 0.0000 ft ;Ex/Infil Rate ;0.0000 in/hr'
Up Invert 79.0560 ft (Dn Invert +100.0000 ft
.Match inverts. '
Record Id: p44
�Section Shape: Circular �
IUniform Flow Method: iManning's ;C eo fficient: �0.0130
--- —r----';
;Routing Method: :Travel Time Translation Contributing Hyd j '
'DnNode "cb47 UpNode icb44
�Material 'Conc-Spun Size 12" Diam
�Ent Losses ;Groove End w/Headwall ;
`Length 67.0000 ft ,Slope �10.06°I
,
'Up Invert � ;100.0000 ft �D nvert ��3.2598 ft
__- _-- ___ __— ---— ----- ------- ------
_ -- ____ _ --- ----- ------ ------ � --
; Conduit Constraints
,
----------------------- —�
;Min Vel �Max Vel ;Min Slope Max Slope�in Cover
�___;_____ �
I '�1.00 ft/s ;15.00 f[/s�0.20% 50.00% 3.00 f[ �
;Drop across MH '';0.0000 ft Ex/Infil Rate ,0.0000 inlhr
�--- �
iUp Invert l93.2598 ft ,Dn Invert �00.0000 ft ';
`.Match inverts.
;
Record Id: p45
_ ___ _----- ---- _ - -
�''� jSection Shape: Circular �
jUniform Flow Method: ;Manning's �Coefficient: 0.0130 ;
jRouting Method: jTravel Time Translation jContributing Hyd
(DnNode ,cb47 ;UpNode cb45 ';
-- ----- �--�
'�Material `Conc-Spun jSize i 12" Diam
'Ent Losses �Groove End w/Headwall
'Length _-----------�112.0000 ft ;Slope ,0.50°I� o
---_�_----- -----_ --- - -—
;Up Invert 100.0000 ft iDn Invert �99.4400 ft i
------ -- ,
�' Conduit Constraints
�i '
�.
Min Vel Max Vel �in Slope rMax Slope Min Cover I
�
`j 1.00 ft/s �15.{ 00 ftls �0.20°Io 50.00% 3.00 ft i
jDrop across MH j0.0000 ft iExlInfil Rate 0.0000 in/hr�!
�Up Invert 99.4400 ft Dn Invert 100.0000 ft i
�Match inverts. j
Record Id: p46
i� `1
- - -- _--------- _ __ - -- ---
Section Shape: Circular
------- ---- - --------___ __ __---- __ ____ �
Uniform Flow Method: ;Manning's Coefficient: ;0.0130
!Routing Method: TTravel Time Translation:,Contributing Hyd; ;
�- ------------------ --__--- ------------ --------- --
IDnNode 'cb45 UpNode icb46 I
�Material Conc-Spun ;Size 12" Diam
jEnt Losses ;Groove End w/Head�vall
— �--
Length j30.0000 ft Slope �8.90%
Up Invert '100.0000 ft ?Dn i vn eR 97.3300 ft ;
;I
Conduit Constraints � �
i Min Vel Max Vel Min Slope Max Slope Min Cover �
I �--_�
,
� 1.00 fds 15.00 ft/s 0.20% 50.00% 3.00 ft
IDrop across MH '0.0000 ft Ex/Infil Rate 0.0000 in/hr
iUp Invert 'r,97.3300 ft Dn Invert 100.(?000 ft ;
iMatch inverts.
,
Record Id: p47
____ ____ _____________ _i
- - Section Shape: Circular
� !Uniform Flow Method: (Manning's �Coe ient: j0.0130
---- ------ — �--
'Routing Method: �Travel Time Translation Contributing Hyd�
:DnNode ;cb37 UpNode cb47 '
�Material ;Conc-Spun Size 12" Diam ;
r--- -
;Ent Losses iGroove End w/Headwall �
iLen th i 107.0000 ft Slo 0.50%
r—g- � �i
�Up Invert I100.0000 ft Dn Invert 99.4650 ft '.;
---_—___-_-_ ;
j; Conduit Constraints
j�Min Vel�Max Vel Min Slope Max Slope Min Cover� I
I�1.00 fUs ,15.0 sft/0 0:20°Io 50.00% 3.00 ft ;
�------- -- I
;Drop across MH ;0.0000 ft ^ iEx/Infil Rate 0.0000 in/hr�
'Up Invert j99.4650 ft Dn Invert 100.0000 ft �
1�•fatch inveRs.
Record Id: p5 �
---------_-----;---- I
Section Shape: �Circular
'Uniform Flow Method: iManning's Coefficient: 0.0130
;Routing Method: Travel Time Translation Contributing Hyd�—
�DnNode "cb4 UpNode cb5 ;
;Material �Conc-Spun �Size 12" Diam ;
',Ent Losses �Groove End w/Headwall �
--- —
Length 31.0000 ft Slope 0.50%
Up Invert ':100.0000 ft Dn Invert 99.8450 ft �
--— --___-------- �
,
i Conduit Constraints
'._---- -----.._. _ --�----- —,— "
�Min Vel Max Vei !Min Slope�ax Slope;Min Cover
_ ____ _ _ __ __ ___------ ----—---- �----- ,
1.00 ft/s 15.00 ftls 10.20°Io 50.00% ?3_00 ft
,
_- __-------,�__ ' _ i
__ _ _— _ _ _—-------- `
Drop across MH ;0.0000 ft Ex/Infil Rate �0.0000 in/hr;
Up Invert i99.84 0 f Dn Invert 100.0000 ft �
'Match inverts.
Kecord Icl: p7
'� �Section Shape: �Circular �
;Uniform Flow Method: ;Manning's ,Coefficient: J0.0130
Routing Method: �Travel Time Translation�ontributing Hyd f
;Dnl�lode jcb4 �UpNode cb7 �
. _-------- — �
'Material 'Conc-Spun ;Size ;12" Diam i
Ent Losses ;Groove End w/Headwall
;Length :85.0000 ft ;Slope 1136°Io
------------------------ — ;
;Up Invert '.100.0000 ft Dn Invert ,90.3440 ft �
- �� Conduit Constraints
�,
�rMin Vel jMax Vel Min Slope Max Slope Min Cover
�:1.00 ft/s ;15.00 ftls 10 20% 50.00% 3.00 ft ;
----- ;
1Drop across MH ;OA000 ft Ex/Infil Rate j0.0000 in/hr�
�Up Invert 90.3440 ft Dn Invert (100.0000 ft ;
�Nlatch inverts. �
Record Id: p8
_ .
�
� ' -- ____._____._ ____ --- -------------,
, Section Shape: 'Circular !
,
Uniform Flow Method: ^Manning's ICoefficient �0.0130
- -- --- -- ------------ ------------ ' :
':Routing Method: Travel Time Translation ICon nb iu ng Hyd� I
_.____..__-------- ,
'DnNode :cb7 �UpN eod cb8
. Material ;Conc-Spun Size 12" Diam ,
� Ent Losses `Groove End w/Headwall
_ - ------ ---- --- �— :
� ILength `31.0000 ft Slope ;0.50% I
';Up Invert �100.0000 ft �Dn Invert ,�99.8450 ft i
__-----_---— —
�' Conduit Constraints �
�'----- �
��Min Vel Max Vel �Min Slope Max Slope Min Cover !
1 I 1.00 ftJs i 15�.00 f[/s 0.20% 50.00°Io 3.00 ft ;
��---= �
;Drop across MH j0.0000 ft Ex/Infil Rate 0.0000 in/hr�
jUp Invert �99.8450 ft Dn Invert 100.0000 ft ;
'Match inverts. '
-------- �
Record Id: p9
_----------------- ------ -----�
� ' ;Section Shape: �Circular �
1,Urtiform Flow Method: 'Manning's Coefficient: �0.0130
;Routin Method: �Travel Time Translation Contributin H d �
g i g Y ��
jDnNode cb7 UpNode ,cb9 ;
(Material 'Conc-Spun Size 12" Diam ':,
� Ent Losses �Groove End w/Headwall
�
Length '72.0000 ft �Slope �9.60% ;
�
Up Invert j 100.0000 ft Dn Invert �93.0880 ft '•
:
�-- Conduit Constraints �
Min Vel Max Vel Min Slope'Max Slope Min Cover � -
� 1.00 ft/s ,15.00 fVs 0.20% 50.00% 3.00 ft "�
!Drop across MH �0.0000 ft �Ex/Infil Rate �0.0000 in/hr'
--- ----
!Up Invert ^�93.0880 ft Dn Invert �100.0000 ft �
'Match inverts.
Node Records
Record Id: cb10
;Descrip �Prototype Record ;Increment j0.10 ft
iStart El. 100.0000 ft Max El. ;108.0000 ft
�Classification Manhole Structure Type CB-TYPE 1-48 '
jEnt Ke Groove End w/Headwall (ke=0.20) Channelization�Curved or Deflector
;Catch (1.5000 ft Bottom Area j 19.6350 sf
;Condition �Existing i
Record Id: cbll
- ---------------�- - - -------- ----.- --- —--—�
Descrip: jPrototype Record jIncrement �0.10 ft T_�
-r------
'Start El. �100.Q000 ft �Max El. �108.0000 ft '
--�-- �-----------;
!Classification IManhole Structure Type ICB-TYPE 1-48 ;
IEnt Ke �Groove End w/Headwall (ke=0.20)iChannelization�Curved or Deflector�
;Catch �1.5000 ft 'Bottom Area �19.6350 sf ;
�Condition rExisting '
Record Id: cb12
�Descrip: IPrototype Record �Increment �0.10 ft i
�Start El. 100.0000 ft �Max El. 108.0000 ft i
;Classification �Manhole "Structure Type CB-TYPE 1-48 �
;Ent Ke �Groove End w/Headwall (ke=0.20) Channelization Curved or Deflector�
-_ ____ _ '---------- ---------------------- --------- -_
'Catch �1.5000 ft iBottom Area (19.6350 sf
!Condition !Existing �
Record Id: cb13
�Descrip: Prototype Record �Increment 0.10 ft
jStart El. 100.0000 ft �Max El. 108.0000 ft ;
;Classification iManhole jStructure Type CB-TYPE 1-48 �
;Ent Ke Groove End w/Headwall (ke=0.20) iChannelization;�Curved or Deflector
, -•, ;Catch 1.5000 ft �Bottom Area ' 19.6350 sf
�Condition Existing
Record Id: cb14
__.__ - ----- ------ -- ----_---- --_--------- �--- —I
;Descrip: ;Prototype Record ;Increment j0.10 ft
--�-------
;Start El. {100.0000 ft �Max El. i08.0000 ft �
�Classification �Manhole ''Structure Type �CB-TYPE 1-48 '
iEnt Ke Groove End w/Headwall (ke=0.20);Channelization Curved or Deflector I
Catch �1.5000 ft �Bottom Area �19.6350 sf �
,Condition �Existing '
__ _------ _ --- _--_. - - ------- ------
Record Id: cbl�
IDescrip: �rototype Record � ;Increment 0.10 ft
;Start El. 100.0000 ft iMax El. 108.0000 ft
iClassification Manhole iStructure Type CB-TYPE 1-48 �
'.Ent Ke �Groove End w/Headwall (ke=0.20) ;Channelization(Curved or Deflector ''�
�`� �Catch �__ _'1.5000 ft~^ iBottom Area �19.6350 sf I '
'Condihon Existing ' '
---— --____._ ------------------- - - ------�
Record Id: cb16
jDescrip: �Prototype Record :Increment j0.10 ft
�Start EI. !100.0000 ft ;Max El. 108.0000 ft
---- " __
,Classification ;Ma h �Structure Type CB-TYPE 1-48
-- --- ; ,
�Ent Ke ;Groove End w/Headwall (ke=0 20) ;Ghannelization Curved or Deflector;
�Catch �1.5000 ft ;Bottom Area 19.6350 sf
� �Condition =`:Existing
Record Id: cb17
_____ ______ - ___ _ _____---------_.._--_..__ _ ,
Descrip: Prototype Record 'Increment I010 ft
-_- _-_----- ---------------— �
Start El. 100.0000 ft Max El. �108.0000 ft
--___ __-_ -_ ------ --____--------
,
-"�� Ciassification Manhole Structure Type (CB T PY E 1-48
':Ent Ke Groove End w/Headwall (ke=0.20);Channelization Curved or Deflector
�Catch �1.5000 ft 'Bottom Area 19.6350 sf �
, , ,
;Condition Existing �
Record Id: cbl8
Descrip: �Prototype Record ;Increment �O.iO ft
Start El. ;100.0000 ft !Max El. 108.0000 ft
, ,
_.
------ --------- -- — ---,
'Classification;Manhole •.Structure Type CB-TYPE 1-48
IEnt Ke ;Groove End w/Headwall (ke=0.20) �Channelization Curved or Deflector
'Catch 1.5000 ft ^ Bottom Area 19.6350 sf
______ _----____---_ ____ _ _ --------
Condi[ion Existing ,
Record Id: cb19
----- --_--------- ---__ —, II
Descrip: jPrototype Record ;Increment I0.10 ft ;
I
''Start El. !100.0000 ft 'Max EI_ 108.0000 ft �
�"� IClassification Manhole �Structure Type CB-TYPE 1-48
Ent Ke Groove Er�d w/Headwall (ke=0.20)�Channelization Curved or Deflector':
jCatch 1.5000 ft �Bottom Area 19.6350 sf
�Condition Existing
Record Id: cb2
iDescrip: ;Prototype Record �Increment i0.10 tf
�Start El. f 100.0000 ft ;Max El. j108.0000 ft
`Classification Manhole �Structure Type CB-TYPE 1-48 -
; —
� ;Ent Ke Groove End w/Headwall (ke=0.20) ;Channelization Curved or Deflector
�Catch 1.5000 ft jBottom Area 19.6350 sf
�Condition Existing
Record Id: cb20
_ —
� '� ;Descrip: Prototype Record �Increment 010 ft ,
iStart El. (100.0000 ft Max El. 108.0000 ft
! �Classification Manhole Structure Type CB-TYPE 1-48
�Ent Ke Groove End w/Headwall (ke=0.20)iChannelization�Curved or Deflector
�Catch i 1.5 00 0 ft 'Bottom Area 19.6350 sf
!Condition �Existing
Record Id: cb21
iDescrip: Prototype Record �Increment �0.10 ft
'Start El. �100.0000 ft Max EI. 108.0000 ft
j 1 ssification Manhole iStructure Type �CB-TYPE 1-48
IEnt Ke iGroove End w/Headwall (ke=0.20)�Ch� annelization Curved or Deflector
;Catch 1.5000 ft ;Bottom Area 19.6350 sf
iCondition Existing
Record Id: cb22
.
-----_ ____ - ----------------__------------ --�
i'
- Descrip: :Prototype Record Increment 0.10 ft j '
�Start EL 100.0000 ft Max El �i108.0000 ft
�Classification ;Manhole 'Structure Type CB-TYPE 1-48
!Ent Ke �Groove End w/Headwali (ke=0.20) !Channelization(Curved or Deflector
Catch �1.5000 ft ;Bottom Area 19.6350 sf � '
,Condition Existing � �
Record Id: cb23
;Descrip: !Prototype Record �Increment (0.10 ft
;Start El. ;100.0000 ft ?Max El. 108.0000 ft
�_
;Classification Manhole �Structure Type' CB-TYPE 1-48
`Ent Ke Groove End w/Headwall (ke=0.20) ;C nnelization Curved or Deflector
''Catch ;1.5000 ft �Bottom Area 19.6350 sf
_ ----- -- _--- -----
Condition Existmg �
__ _—_ -- ___ _--- -- - -_ ---- ------
Record Id: cb24
'Descrip jPrototype Record 'Increment i0.10 ft
!Start El. �100.0000 ft ;Max El. 108.0000 ft
'�Classification iManhole Structure Type CB-TYPE 1-48
`.Ent Ke jGroove End w/Headwall (ke=0.20} ;Channelization�Curved or Deflector
`Catch �1.5000 ft �Bottom Area 19.6350 sf
'Condition Existing �
Record Id: cb27
!Descrip:__ _ ;Prototype Record__ 'Increment 0.10 ft �
�Start El. '100.0000 ft :Max El. 108.0000 ft
�Classification Manhole ��� v �' ;Structure Type CB-TYPE 1-48
�Ent Ke__ _ jGroove End w/Headwall (ke=0.20);Channelization Curved or Deflector�
- � ,
'Catch ;1.5000 ft �Bottom Area �19.6350 sf (
---_- ---- ---------------- �
Condition ;Existing �
d--� Record Id: cb28
iDescrip: ;Prototype Record ;Increment �0.10 ft
Start El. �100. 000 0 ft �Max El. 108.0000 ft
:Classification Manhole IStructure Type CB-TYPE 1-48
� ,
�Ent Ke Groove End w/Headwall (ke=0.20);Channelization Curved or Deflector�
�Catch �1.5000 ft ;Bottom Area 19.6350 sf
,�Condition iExisting '
Record Id: cb29
,--__-----------------------
;Descrip: Prototype Record 'Increment �0.10 ft
iStart El. ,0.0000 ft �Max El. 108.0000 ft
IClassification Manhole '�Stntcture Type CB-TYPE 1-48 '
''Ent Ke �Groove End w/Headwall (ke=0.20) Channelization Curved or Deflector �
'Catch �1.�000 ft 'Bottom Area �9.6350 sf
'�Condition �Existing �
- -----------------_—___-------------
. �
Record Id: cb3
-------- —
';Descrip: ;rototype Record �Increment 0.10 ft
----------- -- -- ---_ _ -- ------------- --
Start EI. 100.0000 ft 'Max El. �108.0000 ft
__ ------- -- --- -__---___._._ __ ___ _ ----_ _ _-- _---- --
'Classification ,Manhole Structure Type ,CB-TYPE 1-48
--------- ----—_ _ _ . _ _ - - ------ --------- —
Ent Ke jGroove End w/Head���all (ke=0.20) 'Channeiization Curved or Deflector
- --- - --
!Catch ` �1.5000 ft ;Bottom Area �19.63 OS sf
Condition 'Existing '
--- _ ___ __--- - _ _ _ __ -- ------------
----�
Record Id: cb32
Descrip: �Prototype Record ;Increment 0.10 ft
--r----
IStart EI. (100.0000 ft ;Max El. i08.0000 ft
'�,Classification Manhole Structure Type CB-TYPE 1-48
',Ent Ke Groove End w/Headwall (ke=0.20) ;Channelization Curved or Deflector
jCatch ,1.5000 ft �Bottom Area 19.6350 sf
- . �Condition_--- ;Existing ------- -— - -- —_J
Record Id: cb33
------------ — --- -- ------ ---�
;Descrip: ;Prototype Record Increment j0.10 ft
�Start El. ;100.0000 ft iMax El. �08.0000 ft
`Classification�Manhole ;Structure Type ,CB-TYPE 1-48
; , _
Ent Ke Groove End w/Headwall (ke=0.20)(Channelization Curved or Deflector
Catch 1.5000 ft Bottom Area 19.6350 sf �
_ . . __ _ ._ __ _ _
Condition Existing
Record Id: cb34
',Descrip: jPrototype Record Increment 0.10 ft
';Start El. i100.0000 ft Max El. 108.0000 ft
_---------____.---------- -
Classification 'Manhole IStructureType CB-TYPE 1-48
___.__--_ _----------_-------------- ---
- Ent Ke iGroove End w/Headwall (ke=0.20)jChannelization Curved or Deflector
Catch _ ____i1.5000 fi ___ �Bottom Area 19.6350 sf �
Condition !Existing ;
_ _------ - - -_-- — — - — —�
Record Id: cb3�
':Descrip: �Prototype Record .Increment 0.10 ft
Start El. � ;100.0000 ft jMax El. �108.0000 ft
Classification�Manhole Structure Type CB-TYPE 1-48
Ent Ke �Groove End w/Headwall (ke=0.20)iChannelization Curved or Deflector
------ --
'Catch �1.5000 ft (Bottom Area 19.6350 sf
Condition Existing
Record Id: cb36
___.__ -----------------------
Descrip: .Prototype Record ';Increment I0.10 ft �
_____.______--- ------- �----
Star[ El. j 100.0000 ft �Max El. 108.0000 ft
Classification 'Manhole �Structure Type CB-TYPE 1-48
� ;Ent Ke jGroove End w/Headwall (ke=0.20) ;Channelization jCurved or Deflector �',
'Catch �1.5000 ft .Bottom Area 19.6350 sf �
_Condition IExisting __ �
Record Id: cb37 �
-- _ _ _ ----------------------r-- ------ -----
Descrip: Prototype Record Increment �0.10 ft ,
Stan El. �100.0000 ft �Max El. �108.0000 ft
',Classification �Manhole �Structure Type CB-TYPE i-48
--------- --
Ent Ke �Groove End �v/Headwall (ke=0.20):Channelization Curved or Deflector
;Catch '1.5000 ft �Bottom Area ,19.6350 sf
Condition �IExisting
Rec,ord Id: cb38
"Descrip: iPrototype Record Increment 0.10 ft
--- - —
Start El_ 100.0000 ft ;Max EL 108.0000 ft
'Classification ,Manhole :Structure Type CB-TYPE 1-48
___--- -- .
Ent Ke Groove End w/Headwall (ke=0.20) ;Channelization,Curved or Deflector'
'Catch j1.5000 ft ;Bottom Area �19.6350 sf
--- — _
'Condition ,E� xisting
Record Id: cb4
__ _ - __ ___ ---- --- - �__ ----�
Descrip ,Prototype Record _ ;Increment �0.10 ft �
---,----
S tart El. ;100.0000 ft 'Max El. �108.0000 ft
C(assification �Manhole Structure Type CB-TYPE 1-48;
iEnt Ke ^Groove End w/Headwall (ke=020) Channelization Curved or Deflector
'Catch 1.5000 ft ;Bottom Area 19.6350 sf
Condition �Existing
Record Id: cb44
'Descrip Prototype Record ;Increment 0.10 ft �
--- -----_ _ ---------� - — — -
, -------------- ,
,Stan El. i 100.0000 ft iMax El. !108.0000 ft
;
�Classification 'Manhole ';Structure Type �CB-TYPE 1-48. �
�------__- ----------------- ----------- ------ '
iEnt Ke 'Groove End w/Headwall (ke=0.20) Channelization�Curved or Deflector:
� -- ---------------------------- �
�---
(Catch �1.5000 ft iBottom Area 19.6350 sf
---- ----
Condition !Existing �
__ _____ _----- -- ----------------- ----- -- --- ------�
Record Id: cb4�
-------- ------------------.__--- __--_
---------
iDescrip: �Prototype Record ';Increment j0.10 ft
-r--
Start El. �100.0000 ft �Max El. �108.0000 ft
Classification 1Vlanhole �Structure Type jCB-TYPE 1-48
Ent Ke Groove End w/Headwall (ke�.20) Channelization Curved or Deflector
Catch 1.5000 ft Bottom Area 19.6350 sf
;Condition Existing
Record Id: cb46
;Descrip: ;Prototype Record� !:Increment j0.10 ft
jStart El. I 100.0000 ft jMax EL ;10 08. 000 ft
�Classification �Manhole 'Structure Type ;CB TYPE 1-48
�—--------
iEnt Ke iGroove End w/Headwall (ke=0.20) ;Channelization jCurved or Deflector
Catch I 1.5000 ft ! .^ ;Bottom Area ;19.6350 sf
Condition Existing
Record Id: cb47
iDescrip: Prototype Record �Increment 0.10 ft
iStart El. 100.0000 ft 'Maac El. j 108.0000 ft
; —
;Classification Manhole iStructure Type CB-TYPE 1-48
�Ent Ke �Groove End w/Headwall (ke=0.20)�Channelization�Cu evr d or Deflector
'�Catch ;1.5000 ft 'Bottom Area ;19.6350 sf
_Condition Existing _ ___ _J
Record Id: cb5
---- --- —
�escrip: 1Prototype Record ';Increment �010 ft �
�—
;Start El. ;100.0000 ft -Max EL ,108.0000 ft �
. �Cl iass fication iManhole iStructure Type;iCB-TYPE 1-48 �
�Ent Ke ;Groove End w/Headwall (ke=0.20) ;Channelization! Curved or Deflector'
_ ._ __.
Catch �1.5000 ft �Bottom Area 19.6350 sf
lCondition 'Existing ,
, �
Record Id: cb7
- ------ ----_ __ ___ _____-------______-- ----_----- -- —
,Descrip: Prototype Record :Increment 0.10 ft i
------ -- - '_--_----------- -----` —i
;Start El. 100.0000 ft �Max El. 108.0000 ft ;
'Classification ;Manhole :Structure Type CB-TYPE 1-48 ! �
;Ent Ke �Groove End w/Headwall (ke=0.20);Channelization Curved or Deflector�
i
�Catch ,1.5000 ft �Bottom Area �19.6350 sf i
�Condition �Existing _ i
Record Id: cb8
r--------- ---
�Descnp: ;Prototype Record ;Increment 0.10 ft i
iStart El. I100.0000 ft =Max El. '. 108.0000 ft
1 � I
;�Classification iManhole �Structure Type,:CB-TYPE 1-48
----=--
�Ent Ke ':Groove End w/Headwall (ke=0.20) ;Channelization Curved or Deflector
'Catch 1.�000 ft � Bottom Area 19.6350 sf �
� ':Condition�- Existing--------- ----- -- �
Record Id: cb9
�Descrip: ^;Prototype Record �!Increment 0.10 ft
�----------- ------------ ---- -
;Start El. '100.0000 ft � Max El. 108.0000 ft ;
- ----- -------- i
�Classification �Manhole ' �Structure Type CB-TYPE 1-48
�Ent Ke ;Groove End w/Headwall (ke=0.20);Channelization Curved or Deflector i
�atch i 1.5000 ft ;Bottom Area 19.6350 sf i
�Condition Existing
Record Id: pond '
__ __-----------�------- -----------= --
'Descrip: Prototype Record',Increment i0.10 ft
Start EL 100.0000 ft Max EL �108.0000 ft
---------------------- ---
Dummy Type Node
Contributing Drainage Areas
Record Id: cb10 �
�;Design l�-lethod SBUH Rainfall type �TYPEIA �
IHyd Intv � 10.00 min Peaking Factor 484.00
Abstraction Coeff 0.20
Pervious Area i 0.03 ac DCIA 0.02 ac
Pervious C1�1 98.00 DC CN . 86.00 '
�.-------------- — '--
�Pervious TC I 5.00 min DC TC 5.00 min
�i Pervious CN Calc
•...--------------.__.__ `_
Description ; SubArea ti Su�
Impervious surfaces (pavements, roofs, etc) ' 0.03 ac ` 98.00
_ __ _ ---------------- --- �
Pervious Composited CN (AMC 2) 98.00
-�-___=- _
- ----- -_ __----- — �
Pervious TC Calc
._____--__- - . .----------- -`--Len th Slo e Coeff Misc
Type Description g p ��i TT
'!Fixed --__-- - ---; - i5.00 min
Pervious TC 5.00 min
'.i _ ` Directly Connected CN Calc _
�'i,� Description SubArea Sub cn
�� Open spaces, lawns,parks (>75% grass) 0.02 ac 86.00
�� � DC Composited CN (AMC 2) 86.00
�� Directly Connected TC Calc
Type Description Length ' Slope Coeff Misc I TT
_ _ _ __ ___ _ ___- ------------ --
Fixed ; 'S.00 min
_ _ __ _ _ _---- ___ ______--------
Directly Connected TC S.00min �
,
_ - --- -__----.._-- ------ ---- ------�;
�-. Record Id: cbll
�
iDesign Method SBLTH �Rainfall type TYPEIA
,Hyd Intv 10.00 min Peaking Factor � 484.00
r--- Abstraction Coeff 0.20
;Pervious Area 0.17 ac ,DCIA 0.12 ac
'Pervious CN 98.00 DC CN , 86.00
iPervious TC 5.00 min �DC TC � 5.00 min
I;
Pervious CN Calc
�j Description � SubArea_I Sub cn �
( Impervious surfaces (pavements, roofs, etc) i 0.17 ac 98.00 I
I�— Pervious Composited CN (AMC 2) 98.00 �
i i_ _____
Pervious TC Calc
Ii— -- -- —
, Type � Description Length : Slope , C eo f? Misc � TT
'iFix� ed - _ ;5.00 min
i� Pervious TC 5.00 min
�
�"- � i� Directly Connected CN Calc
�� Description SubArea Sub cn
Open spaces, lawns,parks (>75% grass) 0.12 ac 86.00
�i j _ DC Composited CN (AMC 2) 86.00
' Directly Connected TC Calc
i�
i; Type ; Description Length ' Slope Coeff �� Misc ' TT
� Fixed +5.00 min
��` Directly Connected TC S.00min
',___ __----- -------_ -- ------------- --------- ----_,�
Record Id: cb12
r----�
�Design Method ( SBUH Rainfall type ( TYPEIA f
�
;Hyd Intv 10.00 min Peaking Factor � 484.00 �
� Abstraction Coeff 0.20
r---
,Pervious Area 0.18 ac DCIA 0.12 ac .
�Pervious CN � 98.00 DC CN � 86.00
, �Pervious TC 5.00 min DC TC �5.00 min ,
- ---- ------
, _ _ .
�� Pervious CN Calc
��_--- __ Description + SubArea Sub cn
i� Impervious surfaces (pavements, roofs, etc) � 0.18 ac 98.00
I,
! ___ Pervious Composited CN (AMC 2) 98.00
_ I
j�--` Pervious TC Calc i
jr---':--------- . :
'� Type i Description Length � Slope Coeff Misc ', TT �;
Fixed j �5.00 min
,i Pervious TC � 5_00 min
�-- �
. �I Directly Connected CN Calc � '
Description SubArea Sub cn
�---__ Open spaces, lawns,parks (>75% grass) � 0.12 ac 86.00
� DC Composited CN{AMC 2) 86.00
_ ..__ __---- _.._
� --- --_ ... .
Directly Connected TC Calc
��Type ' Description Length � Slope Coeff Nlisc , TT
� � Fixed 5.00 min ,
�., i r------- --
Directly Connected TC � S.00min ��
Record Id: cb13
;Design N'Iethod ,� SBUH Rainfall type i TYPEIA
I =--- ---_______--------- ;
!Hyd Intv _ ' 10.00 min �Peaking Factor i 484.00 i
� �Abstraction Coeff ; 0.20 �
jPervious Area 0.14 ac �DCIA 010 ac �
�
iPervious CN � 98.00 DC CN 86.00 �
i
� Pervious TC 5.00 min DC TC 5.00 min '
��_ Pervious CN Calc
---------
;; Description ; SubArea Sub cn
}� Impervious surfaces (pavements, roofs, etc) j 0.14 ac 98.00
Pervious Composited CN (AMC 2) 98.00
i� Pervious TC Calc
;�------- I
�" Type , Description � Length ; Slope Coeff Misc ; TT
;'-------___.___-------------r----- -- i
Fixed � `5.00 min
__--- ------- --- _---- ---- ------ --- --
-- ��-- �--�---------- ----- --- Pervious TC j 5.00 min J
--- ___
� Directly Connected CN Calc I I
Description SubArea Sub cn �'
I O en s aces, lawns, arks >75°Io rass 0.10 ac 86.00
��------ P P P � g ) �
� DC Composited CN (AMC 2) 86.00
; Directly Connected TC Calc
� `l'ype j Description ; Length � Slope Coeff Misc , TT
i IFixed � ; 5.00 min
�� Directly Connected TC _ __ S.00min
�
Record Id: cb14
;Design Method SBUH iRainfall type � TYPElA
;Hyd Intv A 10.00 min �Peaking Factor r 484.00
; ; iAbstraction Coeff � 0.20
I
-� �Pervious Area I 0.46 ac �DCIA 0.30 ac i
:Pervious CN 98.00 DC CN 86.00
�---;
�Pervious TC � 5.00 min jDC TC 5.00 min
�� Pervious C1�1 Calc
� Description SubArea Sub cn
Impervious surfaces (pavements, roofs, etc) 0.46 ac 98.00
,
Pervious Composited CN (AMC 2) 98.00
--- --
r— _
i j Pervious TC Calc
+ -- -------- --- --; ------- ---
'': Type Description ! Length ' Slope Coeff Misc TT i
- ---- __------------- --_-- -----------
!�Fixed i5.00 min i
�`--- - --__ . - -- ---- - - =-- ----. - ---------- ' +
' Pervious TC ' S.00 min
I___---------------------------- --- �
------_----------- — — -
i:==— ----- ---- ;
� Directly Connected CN Calc �
�i � Description I SubArea Sub cn ;
__ --------__ -----------_--
�1 Open spaces, lawns,parks (>75% grass) � 0.30 ac 86.00 i�
I��—�_ DC Composited CN {AMC 2) 86.00 j!
I ilirPrtiv f nnnPrtP�i Tf' f'al� ,�
Type �. Description Length i Slope Coeff Misc � TT 'I
i _. _._ .. .. ...__._ ._ �
�Fixed ' S.00 min �
----- ---- --- �
- -- --- ---- -- �
�� ,,
� Fixed � 1�.00 min +
�r---- - .
j" Direcily Connected TC ; �.00min I
�
,_ - -- -- - - �
Record Id: cb15
---__-------___--- -___ _ -_ _ _-- _ ._ ____--- _ _ __ ___ _ _ ___--- -___
�Design Nlethod SBUH IRainfall type TYPEIA
------ _ ;
>Hyd Intv 10.00 min Peaking Factor � 484.00
� Abstraction Coeff 0.20 '
jPervious Area � 0.13 ac . iDCIA � 0.08 ac
�
�Pervious CN ( 98.00 DC CN 86.00 '
Pervious TC 5.00 min DC TC 5.00 min �
�j Pervious CN Calc
:--
---
�� Description � Sub reA a Sub cn
, ..
� Im ervious surfaces avements, roofs, etc 0.13 ac 98.00 �
i,, p Pervious Composited�CN(AMC 2) , 98.00 �
�J-- _ ���
---
�.�,� i Pervious TC Calc i
--------- —
�� Type Description Length : Slope ' Coeff hZisc ' TT �
Fixed j—` 'S.00 min {�
------ --- i;
�; Pervious TC 5.00 min �;
---- — �I
�� Directly Connected CN Calc �'
-- - - �i
�' Description SubArea Sub cn . ;
�� �i
�� Open spaces, lawns,parks (>75% grass) 0.08 ac 86.00 �;
{ D C C o m p o s i t e d C N (A M C 2) 8 6.0 0 ��
----- ,
�� Directly Connected TC Calc �
;•------ ---- --
;� Type ' Description Length + Slope Coeff �Nlisc ; TT
Fixed ; ' S.00 min ,
I� Directly Connected TC � S.00min �
-'_-------
Record Id: cb16
Design Niethod ; SBLTH ;Rainfall type ; TYPEIA '
H_yd Intv � ' 10.00 min �Peaking Factor 484.00 ���
_ -- - _ ___-- - -- ------- ------__ �
" ! Abstraction Coeff I 0.20 I
� �
-------�____..-------- --------- �---------- r---�----------- -i---�— --i
. ;Perrious Area � 0.52 ac ,DCIA ; 0.34 ac i
; --------------__---__ -r------------
---- ,
�Pervious CN � 98.00 �DC C1�1 ' j 86.00 {
�Pervious TC ? 5.00 min DC TC ( 5.00 min
� Pervious CN Calc
� Description � SubArea Sub cn
�� Impervious surfaces (pavements, roofs, etc) ; 0.52 ac 98.00
��--__-- Pervious Composited CN (AMC 2) 98.00 �
_ __ ._ _
��^ Pervious TC Calc
�I ---- _
�! �� Type ; Description Length i Sl p Coeff Misc ; TT
: ;�---�- __
�!Fixed � �5.00 min
�_ __ ___ -
�� Pervious TC 5.00 min '
i
�j Directly Connected CN Calc —�
'r-'---- � .
i': Description SubArea �Sub cn (�
;r------- ---- —
i, _ _Open spaces, lawns,parks (>75% grass) � 0.34 ac 86.00 ��
_ ;� DC Composited CN (AMC 2) 86.00 �
� Directly Connected TC Calc �
ir--- --
�I Type j Description Length ; Slope^ Coeff Misc ; TT
''Fixed ' �5_00 min
,
Directly Connected TC i S.00min
Record Id: cb17
�Design Method I SBLTH Rainfall type TYPEIA
''Hyd Intv � 10.00 min ,Peaking Factor 484.00
--------------- --------' — ---=---------
�Abstraction Coeff � 020 !
'Pervious Area --- - ----r— -- -- �
-- --- -- - ------ ------ 0.07 ac ';DCIA � 0.05 ac
,___ _--------------------— — --------- —�
Pervious CN ; 98.00 DC CN j 86.00 '
'Pervious TC � 5.00 min DC TC 5.00 min �
_---- � i,
Pervious CN Calc �j
' 1
; _ Description SubArea Sub cn I�
1�
!� Imoervious surfaces (navements. roofs. etcl 0.07 ac 98.00 !� '
_------— ------- --- — - —,
� �(� Pervious Composited CN (AMC 2) 98.00 ��
�—------------- �
_ Pervious TC Calc
I j Type Description � Length � Slope Coeff Misc � TT
iFixed -- ---------- ----� _ ;5.00 min
' Pervious TC i 5.00 min
;
' ---------------- 1
,�— Directly Connected CN Calc
�� Description ( SubArea ( Sub cn
i I Open spaces, lawns,parks (>75% grass) 0.05 ac 86.00
-
'�� _ DC Composited CN (AMC 2) 86.00 �
�' -- --� _—
-- --- - �
— ------ T :�
� �' Directly Connected TC Calc
(�___—— �—
�; Type j Description ( Length ; Slope Coeff Misc i TT
; Fixed ; �— ;5.00 min
( Directly Connected TC ; 5.00min �
� ;
� _.
Record Id: cb18
'Design Method SBL1H iRainfall type ; TYPEIA �
�Hyd Intv I 10.00 min Peaking Factor , 484.00
; j jAbstraction Coeff 0.20
!Pervious Area � 0.16 ac �DCIA 0.11 ac i
'Pervious CN- -- -------r— 98.00 `:DC CN � 86.00 I
, -------------- ----- --------_ ---- —` ---- --- —
Pervious TC 5.00 min iDC TC • 5.00 min
' ------------------------- -' ------ —;
��-_-----_------------------- --- ---- -- --------- �
�� Pervious CN Calc _ _
� Description ; SubArea Sub cn
I Impervious surfaces (pavements, roofs, etc) j 0.16 ac 98.00 I
� Pervious Composited CN(AMC 2) 98.00 �
�
,�
�( _ _ Pervious TC Calc
�Type ^ Description � Leng h Slope � C eo f i 1�� TT
,jFixed ----------- —� i5.00 min
�� Pervious TC i 5.00 min �
�
� ----
�—__—r— ilirvrtiv ('nnnP�tvri f N ('al�
__—__-- -----
' Description � SubArea Sub cn
;
� �
; -,------------_� __ _ — _ r
' Open spaces, la�vns,parks (>75% grass) 0.11 ac 86.00 ;
_ _ _ __ ___ _— -_ _ - --- - - -----—_�
- _ -- ------ -------- – ------ — —
� ___ Open spaces, lawns,parks (>75% grass) 0.11 ac � 86.00
'' DC Composited CN (AMC 2) 86.00
i' -
+�— Directly Connected TC Calc I'
I�-----—
i� Type Description , Length : Slope Coeff Misc ; TT
� Fixed ; � ;5.00 min
�
�� Directly Connected TC , S.00min i
Record Id: cb19
— - -- ---
Design Method ( SBUH �Rainfall type ;� TYPEIA
;Hyd Intv 10.00 min Peaking Factor 484.00
j �Abstraction Coeff 0.20
'�.Pervious Area � J0.29 ac �DCIA , 0.19 ac
�Pervious CN j 98.00 +DC CN 86.00
�Pervious TC 5.00 min DC TC 5.00 min �
__------ � I
_� ; Pervious CN Calc
� ;j Description ; SubArea Sub cn
��--_Impervious surfaces (pavements, roofs, etc) 0.29 ac 98.00 ,
II l�— Pervious Composited CN (AMC 2) 98.00 �'
i
j Pervious TC Calc i
, T� ype j Description Length � Slope Coeff Misc j TT
' i Fixed � ' S.00 min
, -
'! Pervious TC , 5.00 min
��
rDirectly Connected CN Calc
;------------ -
�� Description SubArea Sub cn �
;-------_----------
lawns, arks >75% rass 0.19 ac 86.00 !
� Open spaces, p ( g ) 1
� DC Composited CN (AMC 2) 86.00 ;
-------------- --
;; Direcdy Connected TC Calc
Type ' Description Length ; Slope Coeff Misc ' TT �
: —� i
:iFixed ;5.00 min
Directiv Connected TC S.00min ?
,
' I
-� Record Id: cb20
----- ---- - —
� '.Design Method � SBLTH Rainfall type TYPEIA
;Hyd Intv 10.00 min Peaking Factor 484.00
� Abstraction Coeff 0.20
Pervious Area 0.05 ac DCIA 0.03 ac
Pervious CN 98.00 �DC CN 86.00
____ _____ __. _ __ __.-.------____�_
Pervious TC 5.00 min �DC TC �5.00 min �
__-. ___ -- -.------- �1
--__ ____._ __ __- –
Pervious CN Calc
'' flescription � SubArea � Sub cn
I�_ .� _ :
�� . Impervious surfaces (pavements, roofs,etc) j 0.05 ac 98.00 '
I� Pervious Composited CN (AMC 2) 98.00
� Pervious TC Calc
'i Type Description Length ; Slope Coeff Misc ; TT I,
''iFixed-- ___ � �5.00 min
;,—__ _
Pervious TC 5.00 min
------ I
_ _ _
-� � �� Directly Connected CN Calc
I;--- _ _ __
{' Description SubArea Sub cn
��__ ------ _
, Open spaces, lawns,parks (>75°Io grass) 0.03 ac 86.00
_ _ _ _ - ------------
: DC Composited CN (AMC 2) 86.00
_ __ - ____ __---- ---- ---
.. ._.. __. _. . .. __.__ _ __._-. _____ .-___---__ �
Directly Connected TC Catc
_ _ .__ __--- ---� -. -
Type Description i Length � Slope Coeff Misc ! TT
- _ _ _ _-------
�Fixed 'S.00 min
--__ ----- - ------ —
Directly Connected TC S.00min
Record Id: cb21
'Design Method � SBUH (Rainfall type j TYPEIA
Hyd Intv �10.00 min Peaking Factor 484.00
, Abstraction Coeff 0.20
Pervious Area � 0.03 ac �DCIA 0.02 ac
f'Pervious CN �98A0 DC CN 86.00
_-- -----------
'Pervious TC 0 min DC TC 5.00 min
�� , Pervious CN Calc '
� --- - --
, �� Description SubArea Sub cn �
; Impervious surfaces (pavements, roofs, etc) 0.03 ac � 98.00 �'��
��--- Pervious Composited CN (AMC 2) 98.00
� �ervious TC Calc
j Type ; Description j Length ' Slope � Coeff Misc ; TT �
IFixed j 5.00 min
Pervious TC 5.00 min
;
Directly Connected CN Calc
Description SubArea Sub cn
Open spaces, lawns,parks (>75% grass) 0.02 ac 86.00
DC Composited CN (AMC 2) 86.00
� Directly Connected TC Calc
�! Type ' Description � Length Slope �Coeff Misc � TT
------ -----------------�------------------------ —
:Fixed j ,5.00 min
�-� ';; Directly Connected TC � S.00min
� -
Record Id: cb22
'Design Method � SBUH Rainfall type � TYPEIA
;Hyd Intv 10.00 min iPeakrng Factor 484.00
Abstraction Coeff 0.20
Pervious Area 0.01 ac DCIA 0.00 ac
�Pervious CN 98.00 DC CN 0.00
IPervious TC 5.00 min DC TC 0.00 min
r— Pervious CN Calc
�'----------------_--- — ------ —- -
Description SubArea ! Sub cn
'i Impervious surfaces (pavements, roofs, etc)^ 0.01 ac � 98.00
,;
�j-- Pervious Composited CN (AMC 2) 98.00
�,----- ------ J
!= Pervious TC Calc
'I T e , Descri tion Lef n th —� Slo e � Coeff Misc ; TT
II YP P � I g P I �,
I Fixed j � 5.00 min
_ ___ _ ____________ . _ - i
_ __ _
� ;i Pervious TC ; 5.00 min
; �---
----------
�
Record Id: cb23
;Design Method j SBLTH ;Rainfall type I TYPEIA
'Hyd Intv I 10.00 min �Peaking Factor 484.00
; � �Abstraction Coeff 0.20
iPervious Area I `0.40 ac �DCIA � 0.26 ac I
';Pervious CN 98.00 DC CN 86.Q0 !
. – -- i
Pervious TC 5.00 min DC TC 5.00 min �
�j Pervious CN Calc ��
� Description � SubArea � Sub cn
j Impervious surfaces (pavements, roofs, etc) �40 ac 98.00
� � �( Pervious Composited CN(AMC 2) 98.00
— ---- -
. _ _ __ __
r--- ----- —
. _ _
� �(— Pervious TC Calc
___ � Type Description Length ; Slope Coeff Misc ; TT
t �'Fixed ;5.00 min
:i Pervious TC 5.00 min
4'
_ _. . ._ _
�I Directly Connected CN Caic
; Description SubArea � Sur b cn
�— Open spaces, lawns,parks (>75% grass) 0.26 ac 86.00 �
. r-----------------
�' DC Composited CN (AMC 2) 86.00
;;
�j � . � Directly Connected TC Calc �
�T e Descri tion Len th ' Slo e Coeff Misc TT
I YP P I g P ��i
i'Fixed ` _ __ __ ^ � i5.00 min
�
i; Directly Connected TC j S.00min
;�
Record Id: cb2=�
�Design Method j SBUH �Rainfall type TYPEIA
;Hyd Intv 10.00 min Peaking Factor 484.00
---------___ — -
� �Abstraction Coeff ! 0.20 '
_. -- __ _.�----- ---- -
- iPervious Area 0.16 ac �DCIA 0.11 ac I
� ',Pervious CN 98.00 ' ;DC CN � 86.00
Pervious TC ; ` 5.00 min ^ DC TC 5.00 min
, - ---- ----- ---
�: Pervious CN Calc �
�
� Description SubArea Sub cn
----___------------ ---
!r---- -,
�� Impervious surfaces (pavements, roofs, etc) i 0.16 ac 98.00
�r Pervious Composited CN (AMC 2) 98.00
� ---- ----
1� Pervious TC Calc
,�Type Description Len th Slo e Coeff Misc � TT
( � g i_ p �--1 —
i;F d , I5.00 min
�� Perv�ous TC 5.00 rrun
;,
r--- ---
-
i�- -------
Directly Connected CN Calc
'------------------------
Description SubArea Sub cn
'�-----_---_-- —------- — —
'� Open spaces, lawns,parks (>75% grass) 011 a� 86.00
DC Composited CN (AMC 2) 86.00
—-------- ---- -------------------
Directly Connected TC Calc
''�� Type Description j Length ' Slope Coeff Misc ; TT
_ ._ _ --- ___ ----.-- -
F�xed � �5.00 min I
__-- ----- - -- - - --------- -
Directly Connected TC ; S.00min
Record Id: cb27
;Design Nlethod � SBUH jRainfall type TYPEIA
IHyd Intv 10.00 min Peaking Factor � 484.00
� Abstraction Coeff 0.20
Pervious Area i 0.03 ac DCIA 0.02 ac
---------------- ------ -�—
iPervious CN 98.00 �DC CN 86.00
___ __ _--------_ . ------—- --
'Pervious TC � 5.00 min DC TC 5.00 min
_ _ __--- ---- ------
Pervious CN Calc
� Description ; SubArea i Sub cn
--�--- ----------------------------- - ---- i
Impervious surfaces (pavements, roofs, etc) ; 0.03 ac � 98.00 t
___ ___ ----_ ____------------------- ----- -- _ _-----
Pervious Composited CN (AMC 2) � 98.00
. .. . . .__.__ . .._.._. I�
. .- ' . _.. .. .._... .�.. _. ._ , '�..__ . . _'�... .'I�
`"�' �' Pervious TC Calc
' � -!
':( Type Description Length ; Slope r Coeff ��Misc. ; TT .
�;Fixed �- ;5.00 min
;j Pervious TC � 5.00 min �
-- �
---- _ _
_ _ _ _ _�
I f Directly Connected CN Calc
i
�i Description SubArea Sub cn
'�r Open spaces, lawns,parks (>75°Io grass) 0.02 ac 86.00 �
�'---------------------_-- --
I j DC Composited CN (AMC 2) � 86 00�
-_-- _ _—__—== -- ------- �
�� Directly Connected TC Calc � .
��'---------------
i Type Description � Length ( Slope Coeff i—Misc ' TT
r— I
;�Fixed i ^ i5.00 min �
, I�� Directly Connected TC ':, S.00min �
I
Record Id: cb28
-,, jDesign Method SBUH Rainfall type TYPEIA
� �Hyd Intv 10.00 min Peaking Factor 484.00
'— �Abstraction Coeff 0.20
;---�_ _ - _
':Pervious Area r 022 ac DCIA 0.15 ac {
`Pervious CN 98.00 DC CN , 86.00 t
--__------- --- — ----- r----'
'Pervious TC 5.00 min iDC TC i 5.00 min
,.----------- ----- ---
,______---._------ — -�
Pervious CN Calc �
':� Description i SubArea Sub cn �1.
"' ----- ----- ------i:
,
Impervious surfaces (pavements, roofs, etc) 0.22 ac I 98.00
--------------__------- '
-------- �----------- �
'i Pervious Composited CN (AMC 2) ! 98.00 �'i
-- -�i
`- - ----- ------- '
' _ Pervious TC Calc i i
. ---- -- ---- - --- _— _.— _ —
, Type Description _ � Length j Slope � Coeff i_Misc_� TT _i I
i I,Fixed j5.00 min �
�� Pervious TC � 5.00 min !(
�' -- � �
� Directly Connected CN Caic j�
�� �—;�
�__ Description SubArea � Sub cn_)I
�; ODen soaces. lawns.oarks (>75% �rassl 0.15 ac 86.00 ,'
------------ —J
1
_ ___ _ _ l
� - �� DC Composited CN (AMC 2) 86.00 �
�,_ __
��— Directly Connected TC Calc
;------ ------ �
, ' Type Description �Length � Slope j Coeff N1isc ; TT
;�Fixed -- -----------`---^i :5.00 min
, +�
�� _ Directly Connected TC S.00min
�
Record Id: cb29 I
;Design Method � SBLTH Rainfall type TYPEIA
IHyd Intv 10.00 min Peaking Factor 484.00
; �� Abstraction Coeff 0.20 ��
_ _ _ _ _ _ .
'�Pervious Area 0.19 ac DCIA 012 ac
�Pervious CN 98.00 DC CN 86.00
�Pervious TC � 5.00 min DC TC � � 5.00 min
` Pervious CN Calc
-_ _ _ _ _ _ --- - --- —
Description SubArea � Sub cn �
_ _ _ __ ___ - -____ _____ _- __------ --------------------_ __------� —
Impervious surfaces (pavements, roofs, etc) � 0.19 ac � 98.00
Pervious Composited CN(AMC 2) 98.00
j� Pervious TC Calc
� Type r Description Length j Slope Coeff N1isc ; TT
;�Fixed i5.00 min
�j Pervious TC ; 5.00 min
r
i Directly Connected CN Calc
;i Description SubArea Sub cn
;�----
�; Open spaces, lawns,parks (>75°Io grass) 0.12 ac 86.00
'i-- DC Composited CN (AMC 2) 86.00
: __ _ 1
'., Directly Connected TC Calc
' Type ;f Description ' Length ' Slope ;Coeff NZisc ' TT �
_ _- -__ _ _------- -_- _- _ _ ----____--_ _ I
Fixed ;5.00 min
- -------_-----------___---'----- - -- '
Directly Connected TC j S.00min I
,
Record Id: cb3
-----------—--- __------------- -- �
- Design Niethod SBUH �Rainfall type j TYPEIA �
''Hyd Intv � � 10.00 min Peaking Factor 484.00
� Abstraction Coeff � 0.20
'Pervious Area 0.04 ac DCIA 0.02 ac
�Pervious CN 98.00 �DC CN 86.00
Pervious TC 5.00 min DC TC I 5.00 min
-----------------
_---_ _ _ _ ________
Pervious CN Calc
Description SubArea Sub cn
--_�—_----�---_-----
;� � Impervious surfaces (pavements, roofs, etc) 0.04 ac 98.00
��--------------
Pervious Composited CN (AMC 2) 98.00
— --------
--- ----------—---------=-- �
Pervious TC Calc
� Type i Description j Length ' Slope Coeff Misc ; TT ^ �
;IFixed----__-------- { �5.00 min
�rv T ` Pervious TC ; 5.00 min
'�
Directly Connected CN Calc
;; Description SubArea Sub cn
�I Open spaces, lawns,parks (>75% grass) 0.02 ac 86.00
�j DC Composited CN (AMC 2) 86.00
�� ~ Directly Connected TC Calc
;�
� �; Type Description � Length ; Slope Coeff Misc i TT
IFixed i--- ;5.00 min
— -- --- —
; Directly Connected TC � S.00mi�n {
� --- -_ __._ _ ---- --- --- - -- —
Record Id: cb32
- _ ------------_____ _____----- --- �
Design 11��ethod � SBLTH �Rainfall type � TYPEIA
;Hyd Intv � 10.00 min �king Factor 484.00
' � �Abstraction Coeff � 0.20
',Pervious Area ; 0.21 ac �DCIA 0.14 ac �
Pervious CN I 98.00 DC CN 86.00
',Pervious TC � 5.00 min DC TC f 5 00 min
---- _ �
^ Pvrvinnc (�'N (�'alr I
— ----------
, __ .__ : _
_-.._ ,
�' Description � SubArea Sub cn
;:
Impervious surfaces (pavements, roofs, etc) ; 0.21 ac � 98.00
� Pervious Composited CN (AMC 2) 98.00 �
':� Pervious TC Calc i
'' Type '^ Description Length ; Slope Coeff �Misc ; TT
''Fixed ! 'S.00 min
Pervious TC 5.00 min �
' Directly Connected CN Calc �
;;
;� Description �SubArea Sub cn
� Open spaces, lawns,parks (>75% grass) 0.14 ac 86.00
j� � DC Composited CN (AMC 2) 86.00
!� Directly Connected TC Calc
;i Type 1 Description Length � Slope Coeff ��Misc : TT
�Fixed r-- j �5.00 min ,
Directly Connected TC � S.00min
Record Id: cb33
- -----------------___
Design �lethod SBLTH Rainfall type ; Tl'PEIA
Hyd Intv � 10.00 min ;Peaking Factor j 484 00 ��
____ J� �Abstraction Coeff 0.20 j �
, �
!Pervious Area 0.34 ac DCIA 0.22 ac j
;Pervious CN 98.00 DC CN 86.00
iPervious TC 5.00 min DC TC 5.00 min `
;1 __ . . . �
' Pervious CN Calc �
;; �
i
:� _A Description ; SubArea Sub cn ��
�^ Impervious surfaces (pavements, roofs, etc) 0.34 ac 98.00
;,
Pervious Composited CN{AMC 2) 98.00
__------------ �
- ,
: Pervious TC Calc {f
--- ---- —— — -— — ��
Type , Description I Length ! Stope � Coeff � Misc �; TT
_----�----__-- --- _- --- ---------
+,
,Fixed i �5.00 min �! '�
___--__ ------------------�-- --------- - -I;
Pervious TC ' S.00 min
- �i Directly Connected CN Calc
;'; Description � SubArea � Sub cn
i Open spaces, lawns,parks (>7S% grass) � 0.22 ac � 86 00
�
� DC Composited CN (AMC 2) 86.00
� .. -____
' ;� Directly Connected TC Calc
!j Type ; Description Length ; Sl p Coeff l�iisc j TT
� Fixed i 5.00 min
'r— Directly Connected TC S.00min
��
Record Id: cb34
'Design Nlethod ' SBUH Rainfall type � TYPEIA
'Hyd Intv ; 10.00 min Peaking Factor 484.00
f � Abstraction Coeff 0.20
�Pervious Area 0.10 ac �DCIA � 0.06 ac
;Pervious CN � 98.00 DC CN 86.00
;Pervious TC 5.00 min DC TC 5.00 min
`! ' Pervious CN Calc
:�
;j Description � SubArea Sub cn
' Impervious surfaces (pavements, roofs,etc) 0.10 ac , 9 0
Pervious Composited CN (AMC 2) 98.00
_ __ _------------
Pervious TC Calc
_ _ - ------------- --
Type ' Description � Length = Slope Coeff 11�Iisc ; TT
' Fixed ---------�----- - ;5.00 min
Pervious TC 5.00 min
_ _ _ _--------------
Directly Connected CN Calc
_ - _----- -- —
Description SubArea ; Sub cn
--------- -- - r--
Open spaces, lawns,parks (>75% grass) 0.06 ac i 86.00
DC Composited CN (AMC 2) 86.00
�; ' Directly Connected TC Calc
I� Type � Description Length : Slope Coeff Misc � TT
'r----'
�::!Fixed I5.00 min
----------- -
_
^ � Directly Connected TC ��S.00min I
�
Record Id: cb35
Design Nlethod ; SBUH ;Rainfall type ; TYPEIA :
------------ --- ----- -- ------ ;
'Hyd Intv � 10.00 min ;Peaking Factor � 484.00 I
j � jAbstraction Coeff 0.20
iPervious Area 0.26 ac (DCIA 0.18 ac
,Pervious CN 98.00 DC CN � 86.00
'Pervious TC 5.00 min jDC 5.00 min �
�i 'Pervious CN Calc
�; Description ; SubArea Sub cn
'i Impervious surfaces (pavements, roofs, etc) 0.26 ac 98.00
'� Pervious Composited CN(AMC 2) 98.00 ,
" Pervious TC Calc � �
" Type Description Length `^ Slope , C eo f Misc j TT
_ __- -- _ �__ ______ ___ _— -- ------ _---- -- __------- ----
Fixed � ;5.00 min
_—_ -----—------- _-------- ------ _ ___ .. _-------
Pervious TC ; 5.00 min
� Directly Connected CN Calc �
i
i Description SubArea Sub cn I
i�— Open spaces, lawns,parks (>75% grass} 0.18 ac 86.00
; DC Composited CN (AMC 2) 86.00
� --
I Directly Connected TC Calc
; e ` Descri tion Len th ' Slo e � Cceff Misc ! TT
TYP i P �g P I �;
�jFixed;-- � ;5.00 nrru
�
' Directly Connected TC � S.00min
Record Id: cb36
___ _ ___ __ _ _- _ - __ _ _ . __ _ --------- ---------;
Design I�lethod SBUH ';Rainfall type j TYPEIA ;
Hyd Intv 10.00 min iPeaking Factor I, 484.00
— ---�-- --
i iAbstraction Coeff 0.20
_____ _ - ___-- ----_ - ---------'---------------------- -----_----;
-^� �Pervious Area � 0.24 ac DCIA 0.16 ac
� Pervious CN � 98.00 DC CN - 86.00 �
;
!Pervious TC j 5.00 min DC TC 5.00 min
;- -
i j Pervious CN Calc
_.________ . . __-- -
� Descri ption SubArea Sub cn
i� Impervious surfaces (pavements, roofs, etc) ; 0.24 ac 98.00
I i Pervious Composited CN(AMC 2) 98.00 �
�_ — __ _, . _ ____ . __. _ ___
— - _ _._ _ _ _ ,
I _ `
� Pervious TC Calc
�� Type ' Description ; Le g; Slope Coeff Misc � TT
''�Fixed ------- --� �5.00 min
. ;; Pervious TC - 5.00 min I
.�-- __ _ I
` Directly Connected CN Calc j�
;
;; Description {� SubArea � Sub cn
;�----------
i� Open spaces, lawns,parks (>75% grass) � 0.16 ac 86.00
�� DC Composited CN (AMC 2) 86.00 � .
� Directly Connected TC Calc
� \ �j Type � Description _ Length � Sl p Coeff I N1isc _� TT �
?;Fixed ; �5.00 min
�j Directly Connected TC S.00min
, �
I_ � .
Record Id: cb37
`Design Method SBUH Rainfall type TYPElA
Hyd Intv 10.00 min ;Peaking Factor 484.00
_ -- ---- _-----------•------ i
;Abstraction Coeff ; 0.20 �
__------ ---- ---------------' ,
'Pervious Area ; 0.04 ac DCIA 0.02 ac �
Pervious CN � 98.00 DC CN 86.00
;Pervious TC � 5.00 min DC TC 5.00 min
i�— Pervious CN Calc
;i
�i ^ Description SubArea i Sub cn �
', Impervious surfaces (pavements, roofs, etc) ,0 4 ac ; 98.00
__________------------- �
Pervious Composited CN (AMC 2) 98.00 I I
___ �
� i
I
____ _. ----------_ __ _. .. ..
I
r--- _ __- - __. .. . _ _ _ _
`�' � Pervious TC Calc
' ,' _------- ------- , . ` .
I� Type ' Description Length i Sl p� C f Misc � TT
.
. __ __.---------- -- --
' Fixed � ;5.00 min
;
Pervious TC � 5.00 min
�j + Directly Connected CN Calc
I� Description �ubArea Sub cn
�------------
I; Open spaces, lawns,parks (>75% grass) 0.02 ac 86.00
!;---
�� DC Composited CN (AMC 2) 86.00
i---
_ ;;_—
;, . Directly Connected TC Calc
--— -- --
� Type j Description Length � Slope Coeff Misc TT
:. —
j�Fixed i 5.00 min
_ .. ._
� Directly Connected TC � S.00min
�
Record Id: c638
- -- ------------------ ---
, -� 'Design Niethod , SBiJH �RRainfall type � TYPEIA
Hyd Intv 10.00 min ,Pe kia ng Factor 484.00
_ _ _____ _---------_—_�- --�- —
� jAbstraction Coeff 0.20
'Pervious Area ! 0.21 ac �DC A 0.14 ac
-- ----------__--- -
Pervious CN� Y___' 98.00 �DC NC � 86.00 J�
--�----_-----
Pervious TC � 5.00 min ,DC TC � 5.00 min
- - ----------- ---- --- - --------
------- --- -- ---- ,
;;
Pervious CN Calc
�;^ Description � SubArea Sub cn
Impervious surfaces (pavements, roofs, etc) ;�c 98.00
Pervious Composited CN (AMC 2) 98.00
_ _--- _ ---- —
Pervious TC Calc
__-- ------- -
Type ', Description Length ; Slope Coeff Misc i TT
Fixed ' �5.00 min
Pervious TC 5.00 min
-- —--------- -----
Directly Connected CN Calc
------------ - -_ ----- —
Description ; SubArea I Sub cn
_-- - ___-- —__-----------_ ___-------- —f--
O�en soaces. la�vns.oarks (>75% Qrassl Jr 0.14 ac ; 86.00 ;
�� ij -- - - -- --DC Composited CN (AMC 2) -------------� 86.00 ---:
, �
, Directly Connected TC Calc �
� Type Description � Length ', Slope Coeff i Misc TT i
!'--------- ---- — �
��Fixed '�.00 min � .
�� Directly Connected TC S.00min !
--- - — - i
Record Id: cb4
—_------, - ----------
;�Design Method � SBUH �Rainfall type TYPEIA � �
;Hyd Intv 10.00 min �Peaking Factor 484.00 �
; � V �Abstraction Coeff � 0.20
�Pervious Area i 0.03 ac DCIA ; 0.01 ac
'Pervious CN 98.00 DC CN 86.00 �
jPervious TC � 5.00 min DC TC j 5.00 min -i
r—�__---
;
;
;� Pervious CN Calc �:
�-------------- --- - ----- ,
� '� Description �� SubArea ; Sub cn I�
� �;
� �� Impervious surfaces (pavements, roofs, etc) ' 0_03 ac ; 98.00 j�
�� Pervious Composited CN (AMC 2) � 98.00 �
(�— Pervious TC Calc
� Type : Description Length i Slope Coeff �Mi cs ; TT
��Fixed j i5.00 min I
I�^ Pervious TC ; 5.00 min i
� '
ii _ _ _ ` Directty Connected CN Calc �
� Description , S bu Area { Sub cn �
---._------- ----- --- -I i
� ^! Open spaces, lawns,parks (>75% grass) � 0.01 ac 86.00 !�
�--------------- -- -- ----;— '
I DC Composited CN (AMC 2) � 86.00
;� �--___=------ _;
i�--- ---------- -- '
Directly Connected TC Calc �
r----- �
I j Type Description Length ', Slope Coeff � Misc ' TT ;'
��------------------ -- --- - - '--- - ----��
�Fixed �— ------ ---''S.00 min �I
',-------- -- --
, i' Directly Connected TC S.00min �I
�,-------___--------
----- -��
Record Id: cb44
,� — -
`� �Design Method � SBUH Rainfall type �YPEIA
�Hyd Intv � 10.00.min ;Peaking Factor . 484.00
jAbstraction Coeff 0.20
;Pervious Area 0.16 ac �DCIA 0.00 ac
Pervious CN ; 98.00 �DC CN r 0.00
'Pervious TC ^ i � 5.00 min �DC TC 0.00 min
-- --- -_ _ _-- ------ — —
___ ___ _-- - --- — -- �
Pervious CN Calc
: _ _-------- - --- -- I
t i Description ; SubArea Sub cn I
i�--
'• Impervious surfaces (pavements, roofs, etc) � 0.16 ac . � 9 08 0
,;
� �� Pervious Composited CN (AMC 2) � 98.00 �
�'
�: Pervious TC Calc
��---- --- —
!� Type ' Description Length Slope Coeff Misc ; TT
'Fixed • � 5.00 min
,;
:;--
� Pervious TC , _ 5.00 min
1_ _ _
, ��_ _ _--_ _- -- � � �.
:--,. Record Id: cb45
------------- -- �
Des�gn Nlethod ' SBLTH ;Rainfall type j TYPEIA �
__ _ ---- __ _------ -------- ----- -- —
Hyd Intv � 10.00 min :Peaking Factor I 484.00
-----__`__-------------- ------�- - - —
� jAbstraction Coeff 0.20
I -_ _---- -.-- ---------- —, —
;Pervious Area � 0.07 ac (DCIA 0.00 ac
Pervious CN 89 00 DC CN 0.00
:Pervious TC 5.00 min DC TC 0.00 min
Pervious CN Calc
'i Description � SubArea Sub cn
,
�i iImpervious surfaces (pavements, roofs,etc) j 0.07 ac 98.00
�r---
� Pervious Composited CN(AMC 2) : 98.00
__ .. _ _
, - - ._
j' Pervious TC Calc '
�� --.
�" Type " Description Length ; Slope Coeff Misc TT
:,
�::Fixed j 5.00 min
''----r ' _ __v �
Pervious TC ! 5.00 min 'i
_- -_ - - - -- _------
__ _ _ ____ --- ------- -------------- I
Record Id: cb46
�
g ---�--------------- --
'Desi n Ntethod SBLIH �Rainfall type � TYPElA ;
;Hyd Intv 10.00 min Peaking Factor 484.00
--- ; ___ _ _
i Abstraction Coeff � 0.20
:Pervious Area 0.13 ac DCIA 0.00 ac
,
Pervious CN �-98.00 �C CN 0.00 ,
Pervious TC � 5.00 min �DC TC 0.00 min
--- --- _ _
___ _ _ . _ _ _ : �
'� Pervious CN Calc
� _ __ , �
---- -
' I
�! Description �SubArea Sub cn '
I,' Impervious surfaces (pavements, roofs, etc) 0.13 ac 98.00 '
f
----------- _
; Pervious Composited CN(AMC 2) 98.00
— ------ ---
-___ --__- -- --- -- — _,
Pervious TC Calc �
_ _------- -- -- -- _ _------ ---- ---- —
Type Description i Length Slope , C eo f�Misc TT
_----- _ --____ ----- - -----_ .— _ I
Fixed 5.00 min ,
--- -- ____-- ---- __--- ;
Pervious TC ; 5.00 min ;
_.- ---- --- --- - - - �
i
Record Id: cb5
_._ -- -- --- ---�--- ---
��Design ��Tethod , SBtTH �Rainfall type ; TYPElA
�
Hyd Intv i�10.00 min Peaking Factor 484.00
------- �
Abstraction Coeff 0.20
Pervious Area � 1.43 ac DCIA 0.95 ac
Pervious CN i 98.00 DC CN 86.00
'Pervious TC � j 5.00 min DC TC 5.00 min
_ _-- ---- --------- - —
_ _...._ ___ __._ _.__ ------- -- �
Pervious CN Calc ��
__ __ . _ ._..._ ___ _ _ __ _.- -- -----��—_�.`_------�—
Descr�ption SubArea ! Sub cn ��
---___ _ ___ _ _ __ ._.---- ------ --- ----�
Impervious surfaces (pavements, roofs, etc) ; 1.43 ac � 98.00 ��
_ - _ __ -- -___ -,..--_�- ------- �
Pervious Composited CN(AMC 2) 98.00 ��
--._ - --_ _---- ---- ----
___ - - -- --- - — - �
Pervious TC Calc �
_ �_—
, Type Description ; Length j Slope Coeff � Misc � TT
Fixed-----�._-----------` - -'-- ------ — 5.00 min --I(
Pervious TC ^ 5.00 min �;
. :_..._'____...__._..._-..... _.._ .__-___..-_ " __ --_�_ _'_-_ _J;
;�— _ ,
�
;; Directly Connected CN Calc
i,--- —
; Description SubArea Sub cn
�! Open spaces, lawns,parks (>75°Io grass) 0.95 ac 86.00
; DC Composited CN (AMC 2) 86.00
'� ^ Directly Connected TC Calc
'�-----�-------
Type ' Description Length Slope + Coeff Misc ; TT {j
i'Fixed _ �5.00 tnin _;�
Directly Connected TC ; S.00min ;�
Record Id: cb7
iDesign Method � SBLTH Rainfall type TYPEIA^
?Hyd Intv ( 10.00 min Peaking Factor i 484.00
Abstraction Coeff 0.20 �
:Pervious Area 0.03 ac �DCIA 0.01 ac � -
;.------ '
;Pervious CN 98.00 (DC CN �6.00 i
� 'Pervious TC 5.00 min DC TC 5.00 min f
_ ,
� _—__
;; Pervious CN Calc �
'! _ __ _ Description _ � SubArea 1 Sub cn 1(
^ � � , �
� Impervious surfaces (pavements, roofs, etc) j 0.03 ac i 9 08 0 i
------
��
' - — _ - -- -�_-------- r—��
Pervious Composited CN (AMC 2) j 98.00 ,;
V Pervious TC Calc ��
�;
_ �---,----- {;
Type Description Length � Slope � Coeff � Misc TT j
' , �
;;Fixed j � j5.00 min 'i
�
;� Pervious TC � 5.00 min I
Directly Connected CN Calc
- (,
Description SubArea Sub cn !'
Open spaces, lawns,parks (>75°Io grass) 0.01 ac 86.00 �I
DC Composited CN (AMC 2) 86.00 1
__ �
_._--
Directfy Connected TC Calc
, Type ' Description Length ; Slope Coeff Misc ; TT
;',Fixed_ _ _ 15.00 min (
"1 �� Directly Connected TC j S.00min I I
Record Id: cb8
;Design A�ethod � SBiJH jRainfall type TYPEIA
;Hyd Intv 10.00 min (Peaking Factor 484.00
� Abstraction Coeff 0.20
rPervious Area � 0.11 ac DCIA ' 0.07 ac
;Pervious CN �8.00 DC CN '�86.00
____ _ _ _ __, _
;Pervious TC � 5.00 min DC TC 5.00 min j
---
. ___ _ _
'r- -----
I�� Pervious CN Calc
Description SubArea Sub cn
;: � �
!i Impervious surfaces (pavements, roofs, etc) ; 0.11 ac 98.00
�; ' � Pervious Composited CN (AMC 2) � 9 OS 0
Pervious TC Calc
,,_ _Type __ _ Descr�ption ; Length Slope � Coeff Misc i TT I �I
' Fixed ! I5.00 min i �,
�� � Pervious TC � 5.00 min I
�� --
r-- —
�� Directly Connected CN Calc
� Description Su6Area Sub cn
��
�, � Open spaces, lawns,parks (>75°Io grass) 0.07 ac 86.00
�� DC Composited CN (AMC 2) 86.00
�� Directly Connected TC Calc
I�Type ^ Description Length ' Slope Coeff Misc j TT
;�Fixed ' ,5.00 min
` Directly Connected TC � S.00min
Record Id: cb9
�Design Method ( SBUH ,�R-ainfall type �TYPEIA
+Hyd Intv ; 10.00 min ,�Peaking Factor 484.00
I �Abstraction Coeff 0.20
- ------------ - - ---- -
-^� ';Pervious Area � 0.02 ac �CIA 0.01 ac
} - -
!Pervious CN 98.00 DC CN 86.00 .
;Pervious TC 5.00 min DC TC 5.00 min
r-- __ ___ - . _
;--
�� Pervious CN Calc
_ _ _
Ii Description _ ubArea Sub cn
, i�' Impervious surfaces (pavements, roofs, etc) 0.02 ac 98.00
:_ ._----------�-----------. -------------- --
�' Pervious Composited CN (AMC 2) 98.00
�'----- - - -
;�-�-_-__-Y=-----___=_.__.__--=------_- -- ---
'i Pervious TC Calc
;�----r------- -- -
. 'I Type Description i-Length ' Slope .� C eo f j Nlisc _ ' TT
'jFixed--------- -; - 5.00 min
;
I� Pervious TC � 5.00 min
, - -
�� Directly Connected CN Cak �
��------ ---------- - �
�; Description �SubArea Sub cn
�;------ --- -
�; Open spaces, lawns,parks {>75% grass) � 0.01 ac 86.00
i
- ---
��-_- DC Composited CN (AMC 2) 86.00
� �i _ Directly Connected TC Calc
;� T y p e �D e s c r i p t i o n L e n g t h S l o p e C oe f f Misc � T T
, _ _
;�Fixed �--- 5.00 min ,
�.---- -- -- --- �
'i Directly Connected TC � S.00min !�
„ ,
�._---------- - -- __ ------------ �
Layout Hydrographs
Hydrograph ID: pond - 25 }�ear
' Area :11.5300 ac � Hyd Int '10.00 min !Base Flow I �
- --------------__ _------ - -- -r ------�
,Pending tt translation j4.60 min :
;Peak fiow;7.8951 cfs Peak Time;8.00 hrs j Hyd Vol �2.7059 acft;
!Time (hr � �
) �Flow (cfs) ; Time (hr) (Flow (cfs)�Time (hr) �Flow (cfs) I
; 0.67 ; 0.0063 8.67 j 3 3895 16.33 1.1438 '
�
' � 0.83 � 0.0466 8.83 2.8695 16.50 1.1444
, ^ 1.00 ! 0.1100 9.00 2.8815 16.67 1.1451
; 1.17 � 0.1838 � 9.17 j 2.5301 16.83 � 1.1457
` 1.33 ^' 0.2555 933 � 2.1759 17.00 � 1.�
� 1.50 0.3073 �9.50 � 2.1819 1� 7.17 -�1.1087
-_ --- ----- ----- - -- -;
-- 1.67 0.3645 i 9.67 ; 2.0780 j 17.33 �1.0711 i
; 1.83 . 0.4171� i 9.83 1.9735 } 17.50 � L� 0716 }
'----2.00 ' 0.4522 ' 10.00 , 1.9778 17.67 �10721 �
; 2.17 ' 0.4990 � 10.17 1.8718 17.83 1.0726 (
_ r �� �
I 2.33 i 0.5430 � 10.33 1.7652 18.00 1.0732 '
2.50 ; 0.5678 � 10.50 1.7683 18.17 1.0353
2.67 ' 0.5- 10.67 1.6975 18.33 0.9974
� 2.83 0.6077 10.83 1.6264 18.50 0.9978
3.00 ; 0.6239 i 1�- 1.6289 18.67 0.9983
� 3.17 � 0.6381 11.17 1.5942 18.83 0.9987
,
� 3.33 ': 0.6507 11.33 1.5593 19.00 _ 0.9991 �
! 3.50 ; 0.6 11.50 1.5614 19.17 0.9611
! 3.67 ' 0. 607 0� 1167 1.5262 19.33 0.9230
r 3.83 � 0.7493 ; 11 83 1.4909 19.50 0.9233 �
-- ----__----- --------- --
4.00 0.7701 ; 12.00 i 1.4927 j 19 76 09237
4.17 0.8374 i 12.17 i 1.4571 19.83 0.9240 ,
��'
j 4.33 0.9055 ; 1� 2.33 1.4213 20.00 0.9243 �
' 4.50 0.9268 , lr 2.50 1.4229 20.17 09247 I
4.67 ; 0.9976 � 12.67 i 1.3869 20.33 0.9250 �
' 4.83 ', 1.0693 12.83 1.3507 20.50 0.9253
,- _�
5.00 '; 1.0907 13.00 1.3521 20.67 0.9256
' S.17 11648 13.17 1.3533 20.83 0.9260
5.33 ; 1.�� 1333 1.3546 21.00 0.9263
j 5.50 � 1.2608 13.50 1.3558 21.17 0.92b6
; 5.67 ; 1.3375 13.67 1.3193 21.33 0.9269
` 5.83 ; 1.4146 � 13.83 1.2827 21.50 0.9272
�6.00 i 1.4357 i 14.00 1.2838 21.67 0.9275
' 6.17 1.5736 ( lr 4.17 1.2848 21.83 0.9278
��
6.33 1.713� ' 14.33 ; 1. 582 9, 22 00 0.9281 ;
_ ----- _ ------_ -r-- - �
6.50- - - 1.7371 ; 14.50 ' 1.2869 � 2� 2.17 �0.8897 i
'_ __6^67 _1.9438 j 14.67 j 1.2499 2233 0.8513 i
6.83 ; 2.1536 14.83 1.2130 22.50 0.8515 �
� 7.00 2.1819 1�- 12138 22.67 0.8518
^ 7.17 ! 2.4319 j 15.17 12146 22.83 0.8520
7.33 ' 2.6854 I 15 33 ' 1.� 23.00 0.8522
. i
-- ; 7.50 � 2.7183 ; 15.50 � 1.�- 2163 � 23.17 � 0.8525
�.'__
' 7.67 5.1832 � 1�5.67.- 1.1790 , 2� 3.33 0.8527
'^ 7.83 '^ 7.7246 15.83 1.1417 23.50 0.8529 �
8.00 ' 7.8951 ; 16.00 1.1424 � 23 67 0.8532 � �
8.17 I' S.9172 � 16.17 � L� 1431 23.83 � 0.� 8534 I
' 8.33 3.875� 16.33 , 1.� 1438 24.00 j 0.8536 i
_8.50----^- 3.9027-�---16.50 , 1.1444 2 17 (-0.4269 I
Licensed to: Barghausen Engineers '
6.0 SPECIAL REPORTS AND STUDIES
,� 6.0 SPECIAL REPORTS AND STUDIES
There are no known special reports or studies prepared for this project.
11189.001.doc[JPJ/dmltep]
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�. 7.0 OTHER PERMITS
Other permits include:
• King County Grading Permit
• City of Renton Grading Pemut
� City of Renton Building Pernut
• Water Extension Development Agreement
• Sanitary Sewer Development Agreement
1 l 189-OOi.doc(JPJ/dm/tepl
8.0 ESC ANALYSIS AND DESIGN
_ ,
�� 8.0 ESC ANALYSIS AND DESIGN
;
The weVdetention proposed for this development will be the first order of construction such that
the entire site once graded and cleared can be routed into the weddetention pond. This will act as
a sediment pond, trapping sediments on-site and preventing erosion from occurring on-site and
sedimentation downstream. In addition a rock construction entrance and perimeter protection in
the form of a silt fence with temporary V-ditches and rock check dams will all be instituted
on-site to minimize erosion from occurring. Also, streets will be swept should any sediment be
tracked off-site from truck hauiing activities and the site shall be sprinkled with water during the
summer months should dust control be a problem on the site. Cover measures will be instituted
for any areas left unworked over the time allotted by King County and the City of Renton.
11189.00l.doc[1PUdm/tep]
�-_ Appended on: 11:34:11 Thursday, March 18, 2004
I
ll189site east graded Event Summary
; Event �Peak Q (cfs)�Peak T (hrs) Hyd Vol (acft) Area (ac) Method jRaintype
6 month 0.4798 � 8.00 0.1808 3.2500 SBITH j TYPE 1 A 1
� 2 y; 1.0549 8.00 r 0.3629 3.2500 , SBUH ;TYP lE A i
! 10 year ; 1.6545 8.00 0.5534 3.2500 . SBUH jTYPEIA (
; 25 year ; 2.0748 8.00 0.6882 3.2500 SBUH �TYP 1AE �
__ _ _ _ __
j 100 year� 2.4730 8.00 ' 0.8171 3 2500 SBUH i TYPE 1 A
Record Id: 11189site east graded
;Design Method j SBUH Rainfall type �TYPEIA
jHyd Intv i 10.00 min Peaking Factor � 484.00
� Abstraction Coeff � 0.20
--�------
�Pervious Area . 3.25 ac DCIA � 0.00 ac
'Pervious CN j 91.00 DC CN 0.00
� � '� (Pervious TC i 5.00 min DC TC 0.00 min �
� Pervious CN Calc �
j Description SubArea � Sub cn {
�� Newly graded area 3.25 ac ; 91.00 �
'i Pervious Composited CN (AMC 2) i 91.00
,_
� Pervious TC Calc
, _ _
� Ty ep i Description ' Length � 5lope Coeff Misc TT
�'
jFixed i �5.0 min
�� Pervious TC � 5.00 min
i
Licensed to: Barghausen Engineers
��• �� `T�r� ��5� ��/� � 02.� F<< �
���� �� .� ��o - ���"`�►2.Eo ��,.�A� �� �a-r :� af �,�
���'O -�r l. �v 3�.� _ �J 9�-Z- SF = �v.,�� sH,�F�.c�,�
�� 02�F,� A,e��e-- ���Z�s�°%,6�r �baa i�as _ �'� �Z� 3)�os(aex3t�)�Ze})�3c.z,
/ '
�a - 4.0 2����
" o.� „
n�.f,�� v���,a-�,e = ; 3,s�- ;� �eo - i �. �4 (r�•oz��� � Z, � �•
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� '�' j � ���-
9.0 BOND QUANTITIES, FACILITY SUMMARIES,
AND DECLARATIONS OF COVENANT
i
�-� 9.0 BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF
COVENANT
Should any of these be required by the City of Renton they will be prepared at that time as the
Final Technical Information Report is prepared.
11189.00l.doc[JP!/dcnitepJ
��
10.0 OPERATIONS AND MAINTENANCE
_ ,
MANUAL I��
�--�--� 10.0 OPERATIONS AND MAINTENANCE MANUAL '
An Operations and Maintenance Manual for this project will be submitted with the Final
Technical Information Report o�ce all of the parameters of the site aze lrnown for maintenance
requirements.
�t ��
11189.00l.doc[JP1/dmltepl