HomeMy WebLinkAbout03326 - Technical Information Report - 10627 148th Ave SE V
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m TECHNICAL INFORMATION REPORT
Proposed Plat of Windstone IV
'"'�' 10627 — 148th Avenue S.E.
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October 15, 2004
Our Job No. 11483
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1.0 INTRODUCTION/GENERAL INFORMATION
1.0 INTRODUCTION/GENERAL INFORMATION
The proposed plat of Windstone N was part of a much larger development lrnown as
Stoneridge I, as delineated on the attached map (Appendix A). Please refer to these documents
for the inclusion of the Windstone N plat design with the Stoneridge I design.
The project site is located within a portion of Section 3, Township 23 North, Range 5 East,
Wiilamette Meridian, King County, Washington. More particularly, the site is in the southwest
corner of the Stoneridge I plat and encompasses approximately 2 acres of previously developed
land, most of which will be demolished with this development. Since this azea was included in
the Stoneridge I project design, which utilized Level 3 F1ow Control and basic water quality, no
revisions to the existing flow control and water quality facilities are proposed. Nine lots are
proposed for Windstone N.
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18215 72ND AVENUE SOUTH FOR� LOCATION�
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Technical Information Report
Proposed Plat of Stoneridge
148th Avenue S.E. and S.E. 107th Place
King County, Washington
Prepared for:
I KBS Development Corporation
12320 N.E. 8th Street, Suite 100
Bellevue, WA 98005
April 5, 2004
Our Job No. 11189
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` �'� TABLE OF CONTENTS
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1.0 PROJECT OVERVIEW
Figure 1 —Technical Information Report(TIR)Worksheet
Figure 2—Vicinity Map
Figure 3—Drainage Basins, Subbasins, and Site Characteristics
Figure 4—Soils �
2.0 CONDTTIONS AND REQt1iRE'��1ENTS SiTI�1R�IARY'
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
; 5.0 CONVEYANCE SYSTEM ANALYSIS AND DESIGN
6.0 SPECIAL REPORTS AND STUDIES
7.0 OTHER PERMTTS
8.0 ESC ANALYSIS AND DESIGN
9.0 BOND QUANTITIES,FACILITY SUMMARIES, AND DECLARATION OF COVENANT
10.0 OPERATIONS AND MAINTENANCE MANUAL
I I I89_OOl.doc[JP]/dm/t�4
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1.0 PROJECT OVERVIEW I
1. PROJECT OVERVIEW
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The total site azea, including improvements to adjacent roadways, is approaumately 16.19 acres.
The project site is located within a portion of Section 3, Township 23 North, Range 5 East,
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 severa} e�usting buildings Iocated in the southeast portion of the project
site and appropriate drive aisles, driveways, pazking areas, and landscaping all under
pre-developed conditions. The remainder of the site consists of fairly irregularly sloped ground
consisting chiefly of brush and trees, which tends to slope towards the center of the project site in
a northerly 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 project. 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 '
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 wet/deten[ion 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 problerns associated with it.
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1 I 189.00I.doc[JPl/dm/tep]
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FIGURE 1
TECHNICAL INFORMATION
- � REPORT (TIR) WORKSHEET
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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 Ill,LLC Project Name
Ac3dress 12320 N.E. 8th Sveet,Suite 100 Stonerid e
Bellewe,WA 98005 �ocation
Phone Township 23 North
Project Engineer Ali Sadr Range 5 East
Company Bar hausen Consultin En ineers,Inc. Section 3
Address/Phone 18215—72nd Avenue South Section
Kent,W A 98032/(425)251-6222
Part 3 TYPE OF PERMIT APPLICATION Part 4 OTHER REVIEWS AND PERMfTS
� Subdivision HPA ❑ DFW HPA ❑ Shoreline Management
❑ Short Subdivision ❑ COE 404 � Rockery
� Grading ❑ DOE Dam Safety ❑ Structural Vaufts
❑ Commercial ❑ FEMA Floodplain ❑ Other
� Oiher 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- 11189.002.doc[JPl/dm]
Part 7 SOILS � - `
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Soil Type Slopes Erosion Potential Erosive Velocities
Alderwood 6 to 15 percent
❑ Additional Sheets Attached
Part 8 DEVELOPMENT LIMfTATIONS
REFERENCE LIMITATION/SITE CONSTRAINT
p Downstream problem Level 3 Flow Control
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❑ Additional Sheets Attached
Part 9 ESC HE�UIREMENTS „�,; �
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MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS
DURING CONSTRUCTION AFTER CONSTRUCTION
� Sedimentation Facilities � Stabilize Exposed Surface
� Stabilized Construction Entrance � Remove and Restore Temporary ESC Facilities
� Perimeter Runoff Control � C�ean and Remove All Silt and Debris
❑ Clearing and Grading Restrictions � Ensure Operation ot Permanent Facilities
, � Cover Practices � Flag Limits of SAO and Open Space Preservation Areas
� Construction Sequence ❑ Other
❑ Other
Pari 10 SURFACE WATER SYSTEM
❑ Grass Lined Channel ❑ Tank ❑ Infiltration Method of Malysis
� Pipe System ❑ Vault ❑ Depression KCRTS
❑ Open Channel ❑ Energy Dissipater ❑ Flow Dispersal Compensatior�/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 weddetention nd
Facility Related Site Limitations
Reference Facility Limitation
-2- 11]89.002.doc[JP]/dro]
Part 11 STRt1CTURAL ANALYS{S Part 12 EASEMENTSlTRACTS ����'�"
i �;?€ r� .
❑ Cast in Place VauN � Drainage Easement
❑ Retaining Wall � Access Easement
� Rockery>4'High ❑ Native Growth Protection Easemeni
❑ Structural on Steep Slope � Tract
p aner ❑ ar,e�
Part 13 SIGNATURE OF PROFESSIONAL ENGINEER s�,� `
1,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 information provided here is accurate.
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r` Si ned/Dated
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-3- 11189.002.doc[3P1/dm]
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� (UIDE TO MAPPING UNITS
For a full description of a mapping w►it, read both the description of the mapping im it 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:
Ed � 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. Fstimated yields, table 7, page 79.
Woodland
Described Capability imit group
Map on
symbol Mapping tm it page Symbol Page Symbol
AgB Aldexxood gravelly sandy loam, 0 to 6 percent slopes---------- 10 IYe-2 76 3d2
AgC Aldex�+ood gravelly sandy loam, 6 to 25 percent sloFes--------- 8 IVe-2 76 3d1
AgD Aldeiwood gravelly sandy loam, 15 to 30 percent slopes-------- 10 VIe-2 78 3d1
AkF Aldeiwood and Kitsap soils, very steep------------------------ 10 VIIe-1 78 2d1
AmB Arents, Aldeivrood siaterial, 0 to 6 percent slapes 1/---------- 10 IVe-2 76 3d2
AmC Arents, Aldeiwood material, 6 to 15 percent slopes 1/--------- 10 IVe-2 76 3d2
An Arents, Everett materia2 1/---------------------------------- 2l IVs-1 77 3f3
BeC Beausite gravelly sandy loam, 6 to 15 percent slopes---------- I1 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 slapes--------- 12 VIIe-1 78 3d1
B}i Bellingham silt loam------------------------------------------ 12 IIIw-2 76 3w2
Br Briscot silt loam--------------------------------------------- 13 IIw-2 75 3w1
Bu Buckley si2t loam--------------------------------------------- 13 IIIw-2 76 4wi
(b Coastal beaches----------------------------------------------- 14 VIIIw-1 78 --- ',
Ea Earlmont silt loam--------------------=----------------------- 14 IIN-2 75 3w2 �i
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 Ioam, 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
BwC �Everett-Alde n+ood gravelly sandy loams, 6 to 15 percent
s2opes------------------------------------------------------ 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-Z 77 4s3
� InD Indianola loamy fine sand, 15 to 30 percent slopes------------ 17 VIe-1 76 4s2 '
' KpB Kitsap siit loam, 2 to 8 percent slopes----------------------- 17 IIIe-1 75 2d2
IKpC Kitsap silt loam, 8 to 15 percent slopes---------------------- 18�- IVe-I 76 �d2
KpD Kitsap silt loam, 15 to 30 percent slopes--------------------- 18 VIe-2 78 2d1
KsC Klaus grave2ly loamy sand, 6 to 15 percent slopes------------- 18 VIs-1 78 3f1
Ma Mixed alluvial land------------------------------------------- 18 VIw-Z 78 201
i NeC Neilton very gravelly loaary sand, 2 to 15 percent slopes------ 19 VIs-1 78 3f3
Ng Newberg silt loam--------------------------------------------- 19 IIw-1 74 201
_-
Tk Nooksack silt loam-------------------------------------------- 20 IIw-1 74 201
No Noima 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
OvD Ovall gravelly loam, 15 to 25 percent slopes------------------ 23 VIe-2 78 3d1
OvF Ovall gravelly loam, 40 to 75 percent slopes------------------ 23 VIIe-I 78 3d1
Pc Pi2chuck loamy fine sand-------------------------------------- 23 VIw-1 78 2s1
P'k Pilchuck fine sandy loam-------------------------------------- 23 IVw-1 76 2s1
' Pu Puget silty clay loam----------------------------------------- 24 IIlw-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 soil--------------------------------------------- -- IVe-3 77 4s1
Indianola soil------------------------------------=------ -- IVs-Z 77 4s3
RdE Ragnar-Indianola association, moderately steep: 1/------------ 26 -------- -- ---
Ragnar soil--------------------------------------------- -- VIe-2 78 4s1
Indianola soil------------------------------------------- -- VIe-1 77 4s2
� .
, � U.S. GOV ERNMENT PAINTING OF'FICE:1977 O-468-286
GUIDE TO MAPPING UNITS--Continued
,
Woodlan d
Described Capability unit group ,
�4Map ; on
�ymUo1 Mapping �mit page Symbol Page Symbol
Re Renton silt loam-------------------------------------------- 26 IIIH-1 75 3w1
Rfi Riven�rash--'------------------------------------------------- 27 VIIIw-1 78 --- �
Sa Salal silt loam------.--------------------------------------- 27 IIw-1 74 201
Sh Sammamish silt loam----------------------------------------- 27 IIW-Z 75 3w1
Sk Seattle muck-----------------------------------------=------ 28 IIK-3 75 ---
Sm Shalcar muck------------------------------------------------ 29 IIw-3 75 ---
Sn Si silt loam------------------------------------------------ 29 IIw-1 74 202
So Snohomish silt loam----------------------------------------- 30 IIw-2 75 3w2
Sr 5nohomish silt Ioam, thick surface variant------------------ 31 IIw-2 75 3w2
Su Sultan silt loam-------------------------------------------- 31 IIw-1 74 3w1
Tu Tukwila muck----------------------------------------------�- 32 IIw-3 75 ---
UrUrban land-------------------=------------------------------ 33 -------- -- ---
Wo Woodinvil2e silt loam------------------------------'-------- 33 IIw-2 75 3w2
1/ '
7he composition of these �a►its is more variable than that of the others in the Area, but it has been
controlled well enwgh to interpret for the expected use of the soils.
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2.0 CONDITIONS AND REQUIREMENTS
SUMMARY
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f� 2.0 CONDITIONS AND REQUIREMENTS SUNiMARY
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Analysis of the Eight Core Requirements:
Core Reguirement No. 1: Discharge at Natural Location.
Response: This project is proposing to discharge to the same seasonal scream it currenily does
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 i[ currently does under existing conditions. The site will still drain to the
same stream downsveam 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 reyuired, 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 deternvnation
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 Inforcnation Report 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 instituted with the final construction of
the plat.
�.,__.�
Core Requirement No. 4: Conveyance System.
Response: In accordance with the I998 King County Surface Water Design Manual and since
the project site consists of over IO acres of new development, an SCS-based hydrograph
methodology of computing rnnoff 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 Barbara Urban i
Hydrograph(SBLJH)methodology, which is an SCS-based methodology of computing runoff. I
Core Requirement 1Vo. S: Erosion and Sediment Control. I
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 retention, 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: Maintenanee of Operations.
Response: The drainage facilities on this property 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.
: ;
�
11189.001.doc[)PJ/dm/tep)
� Core Requirement No. 7: Financial Guarantees and Liability. II
� .-£
Response: Any financial guarantees and liability required by the City of Renton will be followed
and maintained by this project prior to conswction.
Core Requiremenf No. 8: Water Quality.
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 Iive storage in the weUdetention 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 pro}ect dces not lie within other adopted area-specific requirement areas to the
best of our knowledge.
Special Requirernent No.2: Floodplain/Floodway Delineation.
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.
Respanse: 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 wi11 be provided with this development in accordance with the I998
King County Stormwater Pollution Control Manual and King County Code Section 9.12 for a
multifamily development.
Special Requirement No. S: Dil 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 reqnired for this site.
The following pages of the report delineate the Stoneridge Plat final plat requirements as dictated
by the City of Renton in a letter to Curtis G. Schuster dated July 24, 2003.
1 ll89.001.doc[JPJ/cimltepl
_ r � � � �
„ ; CITY OF REN
..�t Planning/Building/PablicWorks Department
Jesse Tanner,htayor Gregg Ziromerman P.E.,Administrator
4�--.�
� �S��5
]uly 24, 2003 ���
�
Curiis G. Schuster
KBS Development Corp.
12320 NE 8'�Street
Suite I00
Bellevue,WA 98005
Subject: Stone Ridge Plat - Final Y1a1 Reyuirements
Dear h�Ir. Schuster.
This letter is to explain the Cit� 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 fina] plat must be approved by Renton. It is our
intent to require compliance with the conditions of the preliminary pTat where practical, and to require
conformance with the intent of conditions that cannot be met exactly as worded. The following is a
lisE of the King County Hearing Examiner conditions of the pre}iminary plat approval, along with the
Renton requirement for compliance with each condition for final plat approval.
I. Compliance �uith al] platting provisions of Title 19 of the King Couniy Code.
__� Renton Requirement: The appJicant shall complete the plat required street, utility and drainage
impro��ements per the approved preliminary plat. The applicant shall comply with the requirements of
the Renton Subdivision Regulations for final plat approval procedures.
2_ All persons having an ownership interest in the subject property shall sign on the face of the Ci��.:�
plat a dedication that includes the language set forth in King County Council Motion No. 59�.'
Renton Requiremeut: The applicant shall comply with ihe requirements of the Renton Subdi��isi��n
Kegulations for final plat approval procedures.
' Y 3. 'i'he plat shall comply with the base density and minimuin density of the R-4 zone classification. j
All loEs shall meet the minimum dimensiona) requiremenis of the R4 zone classification or shall �
be generally as shown on the face of the approved preliminary 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 fo)1ow shall also be permitted.
Renton Requirement: The applicant shall comp)y ��rith the condition as �vritten for density and
dimension requirements. The applicant shall provide a copy of the R-4 zone �imensional
requirements wiih the final plat application. Minor revisions to the plat that do not resul! in
substantial changes may,be approved at the discretion ot the Development Services Division.
4. The applicant must obtain final approval irom the King County Health Department. Existing
septic tanks on the site must be properly abandoned prior to final Health Department approval_
1055 South Grady Way-Rent�n,Washington 98055 R E N T O N
�iMs oaoer contains 50";recrded ma�e�i:d 30`::oost cons�rnP. A H E A D O F 7 H E C U R Y E
Public Works. This plan shall be submitted with the application of any building permit_ Al]
� � connections of ihe drains must be constructed and approved prior to the iinal building
inspection approval. For those Jots ihat are designated for individual lot infiltration systems,
the systetns shall be constructed at the time of the bvilding permit and shall comply with
plans on file."
d} Core Requiremei�t No. 1: llischarge at the Natural Location
The applicant has received approval for a reguested diversion of surface water flows within
the project, under I?rainage Adjustment LOOV0062. The canditions of approval of this
drainage adjustment shall be satisfied during the design and review of the project engineering
plans.
e) Core Requirement No. 3: Runoff Control.
� To mitigate for do�r�nstream capacity issues, the applicant shall provide Level 'Three flow
controi, as outlined in the KCSWDM. The size of ihe proposed drainage tract may have to
inerease to accommodate the re i€�°''et�en, �O�Y�� e volumes and water quality facilities.
The stormwater facility sha}���o�ate�'' ,in a separat�tract and dedicated to King County,
unless portions of the d�i�a�e lra��are�d for rec�iied�reation space in accordance with
KCC21 A.14.180. ;.; �'" y �-' �
, - ,.t ,�
�--:, .. � `�. ,�,��`' �
As specified in Sec�on'�S,�I�I,,�f the K, . . roof��n�Stc�water shall be infiltrated or
�
dispersed within th� lot area if th�.so' ri _ r �T"are f�vorable� lnfiltration of storm water
� for both lot areas a�d ro�adway im�.��� n3�}ls"t���rzune�d_e�d if ternuned to be feasible. A
�� j geotechnical repo�t s ] �be prov � � �� uate s�it^�n tions, seasonai depth to
groundwater and ot�er desig� reiq�ir�r�;i�ts as outlined in�'the KC��VDIv1.
,.
. . '".r4t� �.,..., - .
;.. : . .::�i�-.. �'....•.4 = .r'
fl Core Requirement N�i; 4:`�opveyance Sysiems_ , .
� .
As part of the applicant's su�SmiiEal for engineering �1an,yx�view, upstream fiows shall be
ana)yzed to determine whether there is*ac�equafe coi�veya�e capacity in the existing 18-ineh
CMP that crosses northwest und�r_ 148`� Avenue SE-i�#to Tract C in the eastern portion of the
site. - . �
g) Core Requirements No. 8: Water Quality.
The project is reqvired to meet the basic water quality requirements of the 1998 KCSWDM.
h) Special Reqoirements No. 2: Floodplain Delineation.
Because a wetland and two stream are located on the property, a flooclplain analysis shall bc
performed. The 100-year floodplain boundaries shall be shown on the final engineerin:� E�L��� .
and recorded plat. ',
Renton Requirement: The applicant shall comply with the condition as written. I ;,� ;���i�� � n �.I�,� I
final p)at shall refer to the Renton PlanningBuilding/Public Works Department instead o1 tlie Kin� �'I
` County agencies. Please note tha[ ihe City of Renton dces not assume maintenance responsibilities I
for the drainage facilities for new subdivisions. The homeowners' association �vill be responsible for I
the ownership and maintenance of these facilities.
� stone ridge final plat lel�er.doc\ I
8. The proposed subdivision shall comply with the 1993 King County Road Standards (KCRS): `
� inclnding ihe following reqeirements: ��5 �!o► �OV� �'{V a� �z �
i(��:�: oad A shall be improved as an urban nei hborhood ollector between 148`� Avenue SE and •✓
`�/Road and as an urban subcotlector wesE of Road C. e des2 of the sub�ect lat shall be
�,�� � ] P
modified so that the lots in the p)at will not take individual direct access from the
neighborhood cotlector poriion 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 1 aD be dedicated as public road right-of-way and improved to the nrban, subaccess
� street standard.
d) 148�'Avenue SE along the frontage of the site shall be improved to the urban collector arterial
standard,including provision for a bicycle Iane.
e) 'Fr`-��t�l�"s�tall be improved as a risv�f��in�`�u3°�� eway and shall serve a maximum of two
Iots. Lots 40 and 4I shall �'t��ivt ownership* the tract and be responsible for its
maintenance. A note ir� ��kat�hg�Ejhe�ership �he �ract and the parties which are
„r,�.,n..:..,r y
responsible for its mai��enar��-�e sh�N"appear ��_`he�t�aal ,p�t and engineering plans. As
specified in KCRS 3_�lC, imp�ovements to the tra�t s i ude an l8-foot wide paved
. � �
surface and a minir�i�rr�:,tcacG width . Dra��ge�"co ol shall include a curb or
Y, +rv f F e
thickened ed e on or�e side o�[he�o�d ` :�, ' ;� �
` ' r -��.:.._ . �
4' ' �
`i � Tracts D F and L s, t�bti d�si s privaa�e�es�tracts and shall each serve
� no more than six lots_ The lols s;e�u� �ac ',;' ct shal] h�ve undi�ided ownership of the tract
and be responsible f'ci� its mainter�anee,�i� note fi�3icatin�,the ow�ership of each tract and the
pariies responsible for each tra�t s maintenance shall ��gea��an;t�ie final plat and engineering
�
plans. . - �5:-
- 'Ff .
� Improvements shall conform lo I�CRS 2�=03 for urbarr mi�o��s� oads, which includes a 22-
. foot wide paved driving surface:• The centerline� of__'F��ts D and F hall be aligned with the
,,:�•�
centerlines of Roads D and C, respecilve}�+. 'Ttie inmimum tract width shall be 26 feet with a
maximum length of 150 feet.
� g) The width Tract N ay be reduced to 20 feet. No improvements to this traci are required.
,
h) A temporary turnaround shal) be provided at the ternunus of Road A. lf this turnaround is
located off-site, easements shall be deeded to King County to allow for the temporary public
use of the turnaround uniil Road A is extended further north as a public road.
i) Street illumination shall be provided at ihe intersection of Road A with 148`" Avenue SE, a
colleclor arterial, in accordance with KCRS 5.03.
�)! l48'� Avenue SE aloog the frontage of the site may require a design for a bus zone and turn
_1 outs. As specified in KCRS 2.16, the applicant's design engineer shall contact METRO and
the Issaquah School District to determine if a bus zonc is needed, and if so the specific design
requirements.
k) Modification to the above road conditions may be considered by King County, pursuant to the
variance procedures in KCRS 1_08.
stone ridge final ptat lener.doc\
� Renton Requirement: The applicant shall comply with the condition as written. AlI construction
� and upgrading of pvblic and private roads shall be done in accordance with City of Renton
requirements, with the exceution of street pavement widths for the new streets The nPw ctrPPr� �an
be c the pavement widths approved with Ehe preliminary plat The pavement thickness
rriust be a minimum of 4" of asphalt over 6" of crushed rock. However, rolled cwb wou}d not be
considered acceptable; therefore, vertical curbs would be required. Any streets nanower than 32 fee[
in width must be posted for no parking aiong one side of the street. Any street narrower t an 28 feet
mus be posted for no parking along both sides of the street. All stieets 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 Ievels established in Renton Code- The street lights along the arierial
streets must be constructed per City of Renton standards, and turned over to ihe City for ownership
and maintenance. The street lights on the residentiat streets can be constructed as a City system, or as
a Puget Sovnd Energy (PSE) system. The maintenance and electrical bills to PSE �vould be the
responsibility ot the homeowners' association for a PSE system
9. Boundary Line Adjustment LOOL0089 shall be completed and put into effect through the
recording of deeds,prior to the approval of e Qin��-e�ering plans for the subject plat.
_s�.f�✓
Renton Requirement: The applic� �tt��com }�with the co��ion as written.
.�� �� F�, �
" � � � ` � ��-
}0. AIt utilities wi[hin propo rig�'i�of�w���mvst be inc�ude,�wit�in a franchise approved by the
King County Council,pr: r,10 final.p'�at recording. , ,,�'
� �� � � ' .�
���.
Renton Requirement: A utia�e� w�hin �5�nee`�'`ht-of�uay m t be approved by Renton
t -� Development Services�Di �0�5 p c�� t���in.if ��{at ordin�. Plan for all utilities, inc)vding
E._ _ eleclric, gas, telephon�an�ati�e f �'is'�_'b"�'a��p�c�yre y the I�!eJ�3'p _E nt Services Division prior
to construction, and the:_constru�t�o�;��ihesc ut�tit�es must b��approv�'d by a Renton inspector.
-_ ,.�..,;L r.
]I. The applicant or suhse?�t�ent o�n�r shall comply with�Ki�� '�o�tinty Code 14.75, Mitigation
Payment System(N1PS), By pa�i�ig��li�required MPS �ee and admut�stration fee as determined by
the applicable fee ordinance: Th+�'apptic�nt has the option io eit�ier: (1) pay the IvIPS fee at final
plat recording, or(2)pay the I���'S f�e at the�ti�ne of bui)�ding permit issuance. If the first option is
chosen, the fee paid shall be the��'fe�in,effect at the time of plat application and a note sha11 be
p)aced on the face of the plat that read�';'�`i}�lt �ees reqoired by King County Code 14.75,
Mitigation Payment System (MPS), have been paid." If 1he second option is chosen, the fee paid
sha11 be the amount in effect as of the date of building permit application.
Renton Requirement: The applicant sha11 pay the City of Renton the standard tTansportation
mitigation fee of$75 per net new average daily trip, prior to recording of the final plat, as required by
City of Renton concurrency policies. The transportation mitigation fee, based on 44 ne�v single
family lots shall be $31,581.00.
12. Lots within this subdivision are subject to KCC 2IA.43 and Ordinance 14009 which imposed
impact fees to fund school system improvements needed to serve new development. As a
condition of final approval, fifty percent of the impaci fees due for the plat shall be assessed anc�
collected immediately prior to recording, using the fee schedules in effect when the plat receives
final approval. The balance of the assessed fee shail be allocated evenly to ihe dwelling units in
the plat and shall be collected prior to building permit issuance.
s�one ridge finat plat ktter.doc\
Renton Requirement: The applicant shall pay the City of Renton the standard lssaquah 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 ]ots in the subject plat �vhich
abuE 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 slreet. A note to t �s e ec s a appear on the final
plat and engineering plans.
Renton Requirement: The applicant shal] comply with the condition as written.
�4: Twelve feet of additional right-of-way for l48`r' Avenue SE shall be dedicated along the east
property line,allowing for 42 feet of right-of-��►�ay from centerline.
Renton Requirement: The applicant sha11 comply with the condition as written.
l5. The following note shail be shown on the final engineering plan and recorded plat:
:�,��"';�x�_a�s��.�i3�.
REST f ����t SENSTT A TRACTS
SE .� IT �AREAS���FI�- RS
�N :� � ��,,.�_<.�.�,, �
��'
Dedication of a sensit�ve area tra�Vsensitive area and buffe��o eys to the public a beneficial
interest in the Iand�w�t�n..E�ie tracU _tive . ,rea ar�bi�ff�r�' This interest includes the
preservation of na�ive vege�atiot��r �_ os - that benefit t�e public health, safety and
�
_ we�fare, including_� ont ol of s� -� e��"d` sion,=maintE�i:�n���� �,f ����I������ � t,�f���l�t�.�. .�n�l
_ protection of p}ant�anc�ir aal - - �.�.,,,. . ! '�
rY,
. ; �. '- �'� �
'> ,�,�,�:� . ;�•.,
The sensitive area f�acUsensitive�� ,; � buff'���;iinpos�s;;upon a11 pres��nt an�i tuture ��vners
and oceupiers of the land`�Subject to ttze tracUseris�hveF}�ea=a�d.�l) trees and other vegetation
wi[hin the tracUsensiii�e a� antl_buffer. The vegetation wit�n the iracUsensitive area and
buffer may not be cut, prnn�,.covere�d by fill; �emo��ed�-�damaged without approval in
��vriting from the King Coi�nty:Depai�menf o�De�eloprP�nt Environmental Services or its
successor agency,unless other�ise_,p�-ovided byNlaw. - ��
The common boundary between the tracVsensitive area and buffer and 1he area of
development activity must be marked or otherwise flagged to the satisfaction of King County
prior to any clearing, grading, building construction or other development activity on a lot
sub}ect to the sensitive area tracUsensitive area and buffer. the reqnired marking or flagging
shall remain in place until a11 deve}opment proposal activities in the vicinity of the sensitive
area are completed.
No building foundations are allowed beyond the required l5-foot building setback Iine,unless
otherwise provided by law.
Renton Requirement: The applicant shatl compIy with the condition as written. Reference should
be to the Renton Development Services Division in place of DDES and King County.
16_ The proposed subdivision shal} comply with the sensitive area requirements as out)ined in KCC
21A.24. Permanent survey marking and signs as specified in KCC 21.A.24.160 shall also be
addressed prior to final plat approval. Temporary marking of sensitive areas and their buffers
(e.g. with bright orange constrnction fencing)shall be placed on the site and shaIl remain in place
until a11 conswction activities are completed.
stooe ridge fival plal Ictter.doc\
� ' Renfon Requirement: The applicant shall comply vvith the condition as written.
i
17. Preliminary plat review has identified the following issues which appty to this project. All other
applicable requirements for sensitive areas shall also be addressed by the applicant.
a) Wetland B (in Tract B) sha}I 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 S�-foot native growth buffer, as measured from the wetland
edge, to the extent such buffers falls within the subject property. These wetlands and their
required buffers shall be placed in Sensitive Area Traets in the subject p}at.
b) The streams crossing Tracts A and C shall have a 50-foot buffer measured from each side of
the stream channel, to the extent such buffers fall within the subject p}at_ 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 estab}ished on the final plat from the edge of
the sensitive areas tracts. 1fie BSBL shall be delineated on all affected lots and tracts.
��'��.
d) Buffer averaging may be a�l���rs to KCC 2 4.320 and 21A24360,provided the
total amount of buffer a a �s n�i redl�ed and er urce rotection is achieved as
� �� P
determined by the Kin��Cou�' L;��ti"�se�e�"vice�Div' ion�USD). If buffer averaging is
proposed, a buffer a �ragm�pl,a�i shall be submitte�`•b,y.��,�3pp�� cant for review and approval
by LUSD. LUSD �a}�i��c�uyie the s o_a bou d-dfr yith`� financial guarantee by the
�a
applicant to assure;�e insta}{atio��tn o quir planti�s for a five year period.
� t � ;��._.,, . 4 �
z, .
I e) The stream and w�ila'�`cr�sst � rmitte�l.�is�oad crossing shall comply
with the provisions�of KCC�?lA .�� a ��A.24.37(�G. The�amount of wetland area and
stream affected by t�e road eross'r�� J be ri�`��rnized�a_the e�ent feasible through the use
�, �_
of retaining swc[u _s;s��`d�lemuned appropnate b���.= A mitigation plan shall be
submitted by the appl�ant_fi�r 1,USD approval, to addressed i�pacts from the wet3and/stream
crossing. LUSD may r�c�uir� th�; sul�tnittal of a bon� ot>FSther financial guarantee hv th��
iapplicant to assnre the installation an�3vrvivai�of re�quiie�plantings for a five-year peri� �
I � � � � �_ � �I
� The stormwater outfall facility for �'s't�irri�fw'""�ter ponds in Tract H shall not be p1a�: .: .�;
wetland or s[eam buffers, unless deternuned necessary by LUSD, pursuant to provisions of '�
KCC 21A24.330H4.
g) The applicant shall delineate all erosion hazard areas on the site on the 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 requuements found in KCC 21A.24220
concerning erosion hazard areas sha11 be me[, including seasonal restrictions on clearing
activities.
I Renton Requirement: The applicant shall comply with the condition as v��ritten. Reference should
I be to th�Renton Dev�lopm€ns Services Division in place of DDES, LUSD and King Coenty.
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 co�rts, children's play equipment, picnic tables,
benches, ete.). The amovnt of recreation area shall equal or exceed 390 square feet per 1ot, as
required by KCC 21 A.I4.I SOA.
stone ridge final plat luter.docl
a) An overal} conceptual recreation space plan shall be submitted for review and approval by
� LUSD, with the submittal of the engineering plans. 7'he conceptual recreation plan shall
include {ocation, area calculations, dimensions and genera} improvements. The approved
engineering plans shalt be consistent with the conceptual plan.
b) A detailed recreation space pIan (i.e. landscape 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 Coun[y Parks, prior to or concurrently �vith the
submittal of the final plat documents.
c) A performance hond for recreation space improvements to assure [heir installation and the
survival of reqnired planting for a three-year period, shall be posted prior to recording o{ the
plat.
Renton Requirement: The applicant shali comply with the condition as written_ The applicant shall
ob[ain approval of the Development Services Division of the detailed recreational facilities plan
before final plat approval will be granted.
�;�s`��,���;���'-
l9. A homeowners' association or �r ,'o#ka organizat� a11 be estabIished to the satisfaction
��
of LUSD which provides for��wn�hip a'�d continu���""�tenance of the recreation and open
� �.. .,�� �„_ �
space areas- ��'';_ � ,�.- " � .
j�,-
Renton Requirement: �' h��ner�s� a shall4`l�e e`�G�ti hed to the satisfaction of
Development Services D�vision i� o � � the '�ecreatio facilities and associated
��
� � landscaping, and sensiEiv�are�s. �T "e�''a iati�n shall �lso be responsible for the
maintenance of the drainag� fa iti�s �� i�. lat. � �
; (��� �, { :�
, �-,�,� '
20. Street trees shall be m��uded i,p`�h�_dasi��of a11�'�d im�ro�eme �+ within and adjacent to the
S._.. .
subject plat. The street�reeY�ndscaping design shall compl�r�.v�ri�h�ection 5.03 of the KCRS and
the following: � , - ,
ul
a) Trees shall be planted at a Fatezo�i3'ne tree for e�ry,�feet of frontage. Spacing may be
, modified to accommodate s�ght�distai►�e reqUirem�ii'i'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, nnless LUSD determines
that trees should no[be located in the street right-of-way.
c) If LUSD determines that the required street sho�ld not be located within the right-of-way,
they sha11 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 !he County has adopted a maintenance
�I program. This shall be noted on the face of the final recorded p1at.
e) The species of trees shalI be approved by LUSD if located wi[hin the right-of-way, and
shall not inc}ude poplar, cotionwood, soft maples, gum, any fruit-bearing trees, or any
other tree or shrub whose roots are likely to obstruct sanitary or storm sewers, or that is not
compatible with overhead utiiity lines.
I f) The applicant shall submit a street tree plan and bond quantity sheeE for review and
Iapproval by LUSD prior to engineering plan approval.
Istone ridge final plaE letter.doc\
I _
• /
' • , . � �
� �� g) The appIicant sha11 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 lrees must be installed and inspected, or a performance hond 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 the time of inspeetion, if the
trees are found Eo be installed per the approved plan, a mainienance bond must be
submitted or the performance bond replaced with a maintenance bond, and held for one
year_ After one year, the maintenance bond may be released after DDES has completed a
second inspection and deternvned that the trees have been kept healthy and thriving.
A $538 tandscape inspection fee shall also be submitted prior to plat recording. The
inspection fee is s�bject 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�lace of DDES. There is no separate landscape
inspection fee within the City of Renton- `sUe�t tre�s�"s l be mc}uded as part of the construction
permit, with appropriate plans,fees ,,i�"p�ct� ' . �s
� •a � _ *>
� � �x- _,._ rt ' ��
21) Documentation shall be s��imit[e� fro�rt a`licensed'3an� sur�eyor�lo demonstrate that all required
zoning setbacks are mel.�or any_e�isting residences or outbu�ic�n��=-that are retained on the site.
�' � , y' "` x �
s�-
Renton Requirement: T e applic=�ant sh�il] �� ,p�c=w``f `=thetcnnditiori as written. The following
�,.�,
I � � conditions have been es�bl�s ed�n . ='�a�io�� as nec ssa� to mitigate the adverse
env�ronmental tmpacts of�his�velo�5i, ; �", , #�ant shall:de�n��ate eomphance w�th these
� ,,;�. � �
items prior to final plat app'�oval. ,b:,. �� � -
� _ ���_-
22) Eastbound and westbourid leff tu�n.lanes shal) be construet�.,�,_by th,� applieant on SR 900, at the
SR 9QO/l48`" Avenue SE 3nte�sectioii. The design for`th�,:int�rs�tion shall be approved by the
Washington State Department of,'Transpo.�`taiion (yVSI?OT). At_��mmimnm, the existing entering
sight distance for the north �nd south l�gs of the inter�ection must be maintained. All
construction work associated with lur� lane ct�nstruct�on�sli`a11 be completed between April IS' and
September 30`�. The seasonal restriction 's�i�t��tp`�iear on the final engineering plans.
Renton Requiremenh The applicant shal] comp}y with the condition as written.
23} The east leg�of the SR 900/I48'� Avenue SE intersection shall be modified, as necessary, so that
[he stopping sight distance requirements of WSDOT are met on the east leg of the intersection.
(Note that per the applicant's engineer, ihis can be achieved by the clearing of vegetation along
SR 900.) In addition, the applicant shall clear vegetation wiihin the right-of-way along SR 900,
east of 148`� Avenne SE, lo maximize the entering sight distance for the nor[h and south legs of
the intersection.
Rentan Requirement: The applicant shall comply with the condition as �vritten.
24) A tree containing a red-tailed hawk nest is located on a parcel adjoining the north boundary of the
si[e. Trac[ K in the subject plat, as depicted on the preliminary p]at map received 10/900(sheet I
of 3),lies south of this nest Uee. This tract shall be labeled as a native growth open space tract on
the final plat and engineering pIans_ This tract shall remain as undeveloped open space unless it
is documented by the proper[y owner, to the satisfaction of King County, that the nest is no longer
used by red-tailed hawks, (i.e. abandoned for at least five years). If i[ is demonstrated [hat the
stone ridge final plat letter.doc\
• �
� . -�.-.
�' nest h�s been abandoned, ihe tract may be developed throvgh the approval of a future plat
�, �� application, short plat application, or plat alteration application. If Track K is subdivided, the
� number of lots creaied in ihis tract shall be consistent with the zoning and overall pernvtted
density for the entire plat of S[one Ridge. A note impiementing the preceding requirements shall
appear on tbe final plat and engineering p]ans.
Renton Requirement: The applicant shatl comply with the condition as written.
25) Accept as provided below, outdoor constrnction activities on the subject properiy on any area
lying within a radius of 6S0 feet from the nest shall be prohibitcd from February l through July
3l. For a specific development pernrit, this seasonal limitation may be waived by King County if
it can be shown to the satisfaction of the Coonty that the nest is not being used by hawks. Any
waiver wil] last for one nes[ing season and must be rene���ed for subsequent nesting seasons. For
any season in which nesting activity occurs, [he luly 3I seasona) limitation ternvnation date may
be adjusted by the County, based on determination that the hatch}ings have already fledged and
the period of disturbance risk has passed. Any waiver or shortening of the seasonal limitation
shall conform with Condition 5 below (#26 ' is repori). A note implerr�enting the preceding
requirement shall appear on the fina Kp�and�g���,�lans.
� ��
.x 3����� �� �
Renton Requirement: The app,�`ant shal�,�om���with the�;�Con�ii'o� as written.
.�S r` LL�~a. �.:�� --... ,�'�� 4y.
26) For any nesting season�i►Swbich Ehe applicant proposed,a�'i'vei;�r shortening of the seasonal
limitation as provided,�i c���tion 4:�bo k ��t�is report�, a-p�n formu)ated by a qualified
wildlife bioIogist shal�'be subn�itte�-#� ncs�a���han4�ebruar�2, describing protocois for
_ � monitoring the nest fo�ha u�e ge�s�`��.ing}�ac for�dentification whether eggs
� have been Iaid and ha�he�nd w n�,e T ;; �s o�ccurred.�A`�`prc�posed shortening or waiver
of the seasonal lirrntafion shallt'�e��i�H �;the 1n�snitoring c�ata and,�� subject to the approval of
DDES. A note impl$e�nenting the'�'rec= g requ�r�ment�s shal} appear on the final plat an�l
engineering plans. � -
�:'
Renton Requirement: The applicant sha}� cpmply wiih the cond��a�n as written. Reference should
be to the Renton Development ServiGes Divisioii,in place of I1DE�.
27) A six-foot high cedar fence shall be consil'i�cCe��on the south boundary of Tract K, adjacent to
Lots 26- 34 and Tracts N 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 mi[igate the significant adverse impact the plat of Stone Ridge has on the interseciion of SR
900/I48`� Avenue SE, the applicant shall either individually or in conjunction with other
deve}opments in the area, install a traffic signal. The signal design shall be reviewed and
approved by WSDOT and an appropriate financial g�arantee sha11 be posted prior to engineering
plan approvat.
Renton Requirement: The applicant shal] comply with the condition as written.
29) All grading work in designated erosion hazard areas on the site shall be completed consisten[ with
the seasonal restrictions appearing in KCC 16.82.150D (see condition l7g above.} A note to [his
effect shall appear on the engineering plans.
Renton Requirement: The applicant shall comply with the condition as written.
stone ridge final p{al}etter.docl
*� .. -�.ra� ' 't
Constructian plans for the grading, drainage, sewer and street improvements for the preliminary plat
� � are required and would be reviewed by the City of Renton's Development Services Division. A
separate plan submittal for the water mains wil} be required from Water District 90. Plan submittals
aFe also required for all franchise work, including electrical, gas, phone and cable. A11 work for the
pre}iminary plat will require a permit from the City, and will be inspected by a Renton inspector.
Pernvt fees wi11 be per City of Renton Code, and include System Developmen[ Charges for sewer and
drainage far the new plat. A preconstruction meeting �vill be reguired before work can begin on the
project.
As-built drawings, cost data inventory sheets, and bi}Is-of-sale for all the pnblic improvements must
be submitted to the City for review and approval prior to recording of the final plat. The plat map
itself must also be revie�ved and approved by the City prior [o recording. The plat map can be
submitted for preliminary review at any time to expedite the fnal plat approva} process. Submittal of
an itemized list explaining how each af the Hearing Examiner conditions have been met "�ill also help
expedite the final plat approval process.
There are several people with the City who can he] you with this process. Juiiana Sitthidet (425-
430-7278) is the City project manag�;� _ e fina p�Feview of this project, and can address
guestions related to the public wor�j��ssut�s'for` e plat. Dan��mpson (2Q6-999-1828) wi11 be the
public works inspector for this��'o gctl �estio�s on the applica�`, reyuirements for the final plat
e
can best be answerea by Julian�'or Ia's�n Jofdan�(425-d31�7�llg�'Th��nal pIat map wi11 be revie�ved
by Bob MacOnie (425-43Q7�6�). : ��=�` Y
� �- �.:
�;� # .
I hope this letter answers�+our que4.stsor��c�n p:i�'�q�ir€;�nts.�f r apprys al of the final plat for the I,
J Stone Ridge Plat. We look�'for�.ard;to,•.� � -to�o��`�ith yo� to a�completion of this project.
1 �': _:���t . =,� � �,�,�
�
Sincerely, •,c-�; �,.:' �f
C11�� �, r
��` �
:_
3ennifer Henning �
Principa) Planner -
Development Services Division
cc: Neil Watts
Juliana Sitthidet
Jason Jordan
Kayren Kittrick
Bob 1�1acOnie
;,
stone ridge final plat leuer.docl
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3.0 OFF-SITE ANALYSIS �
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LEVEL 1 OFF-SITE 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
�RFtY JACpe 12320 N.E. 8th Street, Suite 100
�w°fw��'�� Bellevue, WA 98005
h� Z
�
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Sj `�" March 12, 2004
[Y.PtRES �o io/ Our Job No. 11189
�GHAV
, F
�- � Z CIVIL ENGINEERING, LAND PLANNING, SURVEYING, ENVIRONMENTAL SERVICES
� �? - 1 HZ15 7ZND AVENUE SOUTH KENT,WA 98032 (425) 251-6222 (425) 251-8782 FAX
°y , ? BRANCH OFFICES ♦ OLYMPIA, WA ♦ TEMECULA, CA ♦ W,�LPJUT CREEK, CA
� � , � , �
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/q,` _� _.�Nf.
� � Table of Contents
TASK 1 STUDY AREA DEFINTTION AND MAPS
EXHIBTT A Vicinity Map
EXHIBIT B Downstream Drainage Map
EXHIBTT C Upstream Basin Map
TASK 2 RESOURCE REVIEW
EXHIBIT D FEMA Map
EXHIBTT E Sensitive Areas Folios
EXHIBIT F SCS Soils Map
F.7��BTT G Assessor's Map
EXHIBIT H Wedand Inventory Map
TASK 3 FIELD INSPECTION
EXHIBTT I Off-Site Analysis Drainage System Table
I � �
' � ` TASK 4 DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS
EXI�BIT J Drainage Complaints
TASK 5 MITIGATION OF EXISTING OR POTENTIAL PROBLEMS
f
1 1 1 S9.tKl3.doc[!YJldmJ
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TASK 1
� (�_ ,� STUDY AREA DEFINITION AND MAPS
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� 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 tocated 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 Eachibit 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 currently 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 development.
The proposat for this development is to construct 58 lots with appropriate streets, sidewalks, stormwater
collecEion and conveyance facilities,as well as a wet/detention 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 rnnoff to the project site, one from the south and one from the east
from undemeath 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.
UPSTREAM DRAINAGE ANALYSIS
Based on the USGS Quad Map, our site visit, and knowledge of the property, there are two seasonal
� � streams that have ranoff 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
approacimately 3 to 5 percent.
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; Vicinity Map
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TASK 2
� � RESOURCE REVIEW
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� t TASK 2 RESOURCE REVIE`'V
• 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 Level 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 Eachibit 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 Reports: 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
Associa[ion.
• Wetland 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[1PJ/dm]
�}
EXHIBIT D
� FEMA Map
�
To determ�ne if flood insurance is avalable,contact an insurance agent or
call the National Flood Inwrance Program at(8�0163�-&620
4 �
APPROXIMATE SCALE IN FEET
500 0 500
NAT10NAl F100D INSl1RANCE PR06RAM
�
FI RM
f100D INSURANCE RATE MAP
KING COUNTY,
WASHINGTON AND
INCORPORATED AREAS
PANEI 669 OF 1125
(SEE MAP INDEX FOR PANELS NOT PRINTEOI
�I CONTAINS
COMMUNITY MUMBER PANEL SUfFIX
KNJG COUNT'I.
UNINCORPOfiATE� AREAS 5,'iWT 0669 F
RENfON.CRY Of 5300BB 0669 F �i
i
MAP NUMBER '
53033C0669 f ,
��d,�� MAP REVISED: �
� -� MAY 16, 1995
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SOURCE: 199�KING COUNTY SENSITIVE AREAS FOL10
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EXHIBIT F
� � SCS Soils Map �
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Q1IDE TO MAPPING UNITS I�
For a full description of a mapping tmit, read both the description of the mapping iatit and that of the soil
series to which the mapping tmit 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. II
Engineering uses of the soils, tables 2 and 3, Recreational uses, table S, page 64.
pages 36 through 55. Fstimated yields, table 7, page 79.
Woodland
Described Capability imit group '
Map on
symbol Mapping unit page Symbol Page Symbol
Ag6 Aldenvood gravelly sandy loam, 0 to 6 percent slopes---------- 10 IVe-2 76 3d2
AgC Aldeiwood gravelly sandy loam, 6 to 15 percent slopes--------- 8 Ne-2 76 3d1
AgD Aldeiwood gravelly sandy loam, 15 to 30 percent slopes.-------- 10 VIe-2 78 3d1
AkF Aldeiwood a�id Kitsap soils, very steep------------------------ 10 VIIe-1 78 2d2
AmB Arents, Alden.�ood material, 0 to 6 percent slopes 1/---------- 10 IVe-2 76 3d2
AmC Arents, Aldezwood material, 6 to 15 percent slopes 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 Beausite gravelly sandy loam, 40 to 75 percent slopes--------- 12 VIIe-1 78 3d1
8h 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
m 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, S 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-Alde n�rood 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
= ,,
� 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
KpD Kitsap silt loam, 15 to 30 percent slopes--------------------- 18 VIe-2 78 2d1
KsC Klaus gravelly loamy sand, 6 to 15 percent siopes------------- 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
� A9c Nooksack silt loam-------------------------------------------- 20 IIw-1 74 201
� No Nozma 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
OvD Ovall gravelly loam, 15 to ZS percent slopes------------------ 23 VIe-2 78 3d1
QvF 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 sandy loam------------------- 24 IIw-1 74 201
RaC Ragnar fine sandy lo�n, 6 to 15 percent slopes---------------- 25 IVe-3 77 4s1
, RaD Ragnar fine sandy loam, 15 to 25 percent slopes--------------- 26 VIe-Z 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 T8 4s1
Indianola soil------------------------------------------- -- VIe-1 77 4s2
I
I
U.S. GOV fiRNMY2�IT PRINTING OFYICE:197� O-�68-R66
_ _
i
GUIDE TO MAPPING UNITS--Continued ,
Woodland I�
Described Capability unit group !
�- Map � an I
i �ymbol Mapping imit page Sy�bo2 Page Symbol
Re Renton silt loam-------------------------------------------- 26 IIIw-1 75 3w1
Rh Riven,rash--------------------------------------------------- 27 VIIIw-1 78 ---
Sa Salal siit 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 Tukwila �ck------------------------------------------------ 32 IIw-3 75 ---
UrUx�an land-------------------`------------------------------ 33 -------- -- ---
Wo Woodinville silt loam-------------------------------'-------- 33 IIw-2 75 3w2
1� � I
7he composition of these tu►its is more variable than that of the others in the Area, but it has been
controlled well enou� to interpret for the expected use of the soils.
�__:�.
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EXHIBIT G
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EXHIBIT H
{ � Wetland Inventory Map
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Photo Date: 5-80 North ,� Approx. Scale: 1"= SOO'
WETLAND: May Creek 6 COMMUNITY Newcastle
PLAN AREA:
LOCATlON: SW SE 3-23-5 BASIN OR Cedar Ri ver
DRAINAGE:
INVENTORY DATE: 7-20-81
ACREAGE: j- 8
CLASSIFICATION: Fish and Wildlife Service Common Name
' PSS1 Falustrine, Scrub-Shrub, Broad- Scrub-Shrub
leaved Deciduous (W.i11ow)
PF01 Palustrine, Forested, Broad- Forested Wetland
leaved Deciduous (Red Alder)
l €
NOTE: The wettand edge shown above is apDroximate. In marshes, ponds or lakes, the transltlon from standing water to uplands is
usuaity clear. However,the edges of forested or scrub/shrub wettands are less dlstlnct. 7here,the change irom wetland to upland
olten occurs over a broad area called the "transitlon zone". For a dlscussfo�,see Wedand Plants of King County and th�Puget
SOund l errlanAe anA�•lS.��.�s��..�. r...vb..,r......•.,u.sa�_..w,..
Ma y Cr eek 6
OBSERVED SPECIES: (refer to list in Appe�dix 1)
� � T�ees: AM, AR, PT - _ j
� Herbs: LA, QS
Shrubs: AC, CS, LI, RS, SX, SD I
Sedges/Rushes/Grass/Fern: j
• Birds: AR, ST, SS, WN' i
Mammsls: i
Fish: I
Other. '
I
RAREIENDANGERED/THREATENED SPEClES: (refer to list in Appendix 2) �I
Reoorded/Observed:
Poterrtial: i
I
SIGNIFICANT HABITAT FEATURES: '�
I
OUTI.ET: TyPe: pjpe �
Condition: Op en
Outftow e^ten: Stream
POTENTIAL STORAGE: ExistingActire: 4 ac. ft. I
Poteotial Active: 8 ac. ft.
GENERAL OBSERVATIONS: Northeast corner f1lled some time ago. Head waters of Honey Creek. ,
t �
WETLAND EVALUATION SUMMARY:
Data was collected in the five categories shown below. Within each category the data was evaluated m produce numerical val�es_ Composite
values for each category were produced in order to oompare each wetland to other wedands in iu sub-bazin and in King County. The rewlt of
that compariso�was a perc:entile rank. The percentile is expressed on a scale of one hundred and indicates the percent of wetla�ds that scored
equal to or below that particular site. For example,a percentile ra�k of 80 under wb�asin means that the wedand scored equal to or better
than 80 percent of all sites within tAe sub-basin fo�that evaluation category.NOTE: The percentile renks are valid only within the individual
evaluation category and are intended wlely for reference and comparison.
Rank
Eraluation Category . (by percentile)
Sub-basin Couoty-wide
Hydrology: runoff storege potential,water quality,potential for minimizing damage 64 82
in downsueam areas
Biology: quality of habitat,abundance and diversity of plant and a�imal species 21 25
V Iwel: diversity and contrast of wedand and wrrounding vegetatio�, 35 3�
wrrounding landforms
Cultural: types of xcess,proximity to schools/institutions,overall 50 56
environmental quality
Eopno�lliC: presence of agriculture/peat extraction,anadromous or game fish, 35 25
game birds or mammals of commerciel value
WETLAND RATING: �
Fach wedand was assigned one of three pouibfe wetland ratings. The wetland ratings were determined by exami�ing the scores of selected
� ntory tasks, specific data or perce�tile ranks for individual evaluation categories. The criteria used to assig� the wetland ratings are
�ribed in the Introduction, Fo�each rating a number of specific guidelines for new development in or adjacent to wetla�ds were p�epared.
flie guidelines a�e inte�ded m auist in carrying uut King County's Sensitive A�eas Ordinance and other wetland policies. They are included in
a separate report titled"Guidelines fw King County Wetlands".
Wetland Rating: 2
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TASK 3
=. , FIELD INSPECTION
3
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EXHIBIT I
� �_ ; Off-Site Analysis Drainage System Table
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OFF-SITE ANALYSIS DR�INAGE SYSTEM TABLE `���
Surface Water Design Manual, Core Requirement #2
Basin: May Creek Subbasin Name: Green Creek Subbasin Number:
Distunce ObservAtions of Field Inspector,
Drainage Component Drainage Component from Site Existing Potential Resource Revicwer,or
Symbol Type,Name,and Size Description Slope Discharge Problems Problems Resident
Constrictions,under capaciry,ponding,
Type: sheet flow,swale,stteam, overtopping,flooding,habitat or organism
channel,pipe,pond;size, Drainage basin,vcgetation,cover, destrucdon,scouring,bank sloughing, Tributary area,Gkelihood of problem,
Sa Map diametet,surface area depth,type of seusitive area,volume r°E Ft. sedimentadon,incision,othcr erosion overflow pathways,potenua(impaces
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
� Channel Through backyards 1.5 600'—2300' None Noted None Noted
40 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
11189.004.doc[JPJ/dm]
���''� TASK 3 FIELD INSPECTION ��,
�. '�
There were no major problems reported or observed during the resource review. Based on a review of the I
drainage complaints in the downstream drainage course, [here was one property owner who has indicated '�
that erosion is occurring on her property 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 assis[ance
with problems on her property. That is why Level 3 Flow Control is proposed for this development. li
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 areas, 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 [he downstream drainage course
occurs through Alderwood soils for the most part and then Ragnar-Indianola type soils near May Creek.
The field reconnaissance for this off-site analysis drainage report was conducted on March 3, 2004. The
skies were par[ly overcast and the high temperature on this day was approximately 50 degrees. '
�
11189.003.doc[JPl/dm]
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TASK 4
DRAINAGE SYSTEM DESCRIPTION
AND PROBLEM DESCRIPTIONS
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_` TASK 4 DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS �
� , �
Runoff leaves the site through the north-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 underneath 26th Street in the City of '
Renton, flowing north through 4.5-foot by 5-foot CMP arch culvert and then a little bit later the flow I
courses into May Creek. ,,
A review of the Exhibit J — Drainage Complaints shows there is a one property owner that 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 backyazd, is the downstream drainage course from the project site.
This property owner is ihe 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.
' 1 I 189.003.doc(IPl/dm]
�
EXHIBIT J
� ; ! ; `= Drainage Complaints
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� MRR. �3.2Ei04 4�32PM KC WLRD N0.986 P.1�4
� /l1�'�
- King,Countv Water and Land Resaurces (WLR Division
��� 20! S Jackson St, Suite 600
� Scattle, WA 98104-3 855
Date: �
� ILE ��PY - .
Number of pages including cover sheet: �
To:
From: Cindy Torkelson
- Fa.�c: (� c�,J� ' '�']�'a WT,It Stormwater ServicBs Section
Phone: 7-j �-SJ - �{j��'a phone; 2 6 296-1900
Fax Number: �206� 296-01 2
,,
12�: �.evel l A..nalYsis - - . - ��
To follow is a list of complaints rec�ivcd by the�Wazer and Land Resources Aivision Drainage Services '�,
Scction.. CQmplaint numbers beginning prior to 1990-XXXX have been archived and are no longer in !
our possession. They can still be retrieved,if riecessary,but:will take addi�ional time and may not be �i
beneficial to your research due to th,�ir age,developme,nt whieh has occurred,etc, Tf you are interested ,
in revie�wing the actua.i complaints,they ean be pulled(ti.me�ernlitting}for yowr review. Copies can be
obtained for$ .I S per page, and�$2.00 per page for plans.
Ke s: . . •
Tvne o[Inve4�f��tSon, . 'I�of Prob[em
C A�ioa Rcquc9t DC'.A DcveloprnrnVConstrudion
SCVV Husintse'lbrCbanWaur DDM Dreln�ga-lVt9ccEl9neous
CCF fte9pof�setnlaquiry DES Dra�e–Bro91onlSedimentation '
•CL C►eim DIT Ihamage--I.sndstido/�ifiMovrment
EH F,nibrccrnt�tt on Hotd DTA Dreinege Tachnica!A�eisl8nce
BR �►foraemantRcview R�(Q Drainage–Getteralinqu'ery
PCC,FCR,FCS Faclliq�Comptilnts MMA Meif�teneace-Acsthctics
F[ SWM Pa Inqu'uy MIvIF Mat�ancc-Ftooding
Ftt2 SWM Fea Rcvieq t�[G ' M�lntenanoe-Gcaaal
FIH . SWM Pa on Ho(d IW►Qvt . A�o�cc•Mow�ing
•IS C.uwsuh MNM � MAin�nenoe–Nccd9Meiptenancc _
RR FffiIli�Bqg'�Atet[ng Rariew •.I�4iW Melnbeaanac-Narious Wacds
NDA Naghbofiood Dcsinege Asslstana SWF SV�+M Fee Questlons
wQe w.nx Qnwa e«�pioa�c w� w+�e«Quuur-sesc�,n��r�c��c�s
VtirQg werar Qusliq�Pn�rcana►t wQD W�oec Quoliq�–Aamping
WQR Watd Quelley Bi18��ertina Review R►QI Water Qu01W—Dlicit Connectlen
WQA Wetu Quslity Audh RF�i SWM Fea-Acm�a9cmment
WQO WAtuQualiry--Other GRT SWMFcc-r�attc
S1,S2�SN3 Engincaing Studles � NWD SWM Pee•Tfow Discount
"Suhjcct to Public Di9elosura�equircments L Realpt of wrilten requcst for doeumants 2.Reviaw md approval by Prosecutfng Anvmeys o�cc
I
, �,�.. •�._,.LCICI'i �+•3�n•i r.�, w�.t�ll N0.986 P.2/4
i(b�cau�rt�r Water a�a land Resonrces Dlv�ion-Dr�a�ape se�rloe�$a�tmn
;+ �1����� Printed: 3/3/2004 2:30:26 PM
,
I�p�tber � YY�nf Pl�em Addr�s a�Pradao �I�elrq Tbros Pape
1975-000�4 C pRNG 958 S UNSET 8L SE 138TH/SUNS�7 BL/ANN�?CED 626J6
1980-OoOB C FILL 138TH AV� SE HONEYCR�EK/MAYCR�EK 626J5
1983-0045 C 19823 SE MAY VALLFY RD FILLINGANAY CRK 627A5
1983-00�6 C DRNG 112Q3 148TH AVE SE PONDING 626J6
1983r0057 C FLDG 104�8 15157 S� 627A5
19840015 C FLDG RENTON-ISSA HWY MAY CREEK 626J6
1985-0225 R VIOIATE 15019 SE MAY VALIEY R(� "� TO CODE ENF. 627A5
1985-0509 E � � • • � � PrmtApp�dSWM-DRS s27A5
1966-0654 C FILLING 11203 148TN AVE , S� 628J6
1987-0284 CL FLDG 14847 206TH AVE . SE BASEM�N7 FROM CULVERT-CL.#10505 627A6
1987-0�485 C DRNG 15004 SE 114T1j,ST I�EI�HBOR F1,00pING PROPER'TY 627AG
1987-04b5 ER _,_,,,__„ __ _ _, ,.. ,TO RD DRIVG FOR CM/Rp COaRD 10/27/87 627A6
19B7-Q485 N�A •� IVa RD DRNG FOR CM1RD COORD 10/2718 627A6
1987-0801 C DRNG 14100 SE 100TH PL � FROM IVEW DEVE�OPMENT 626J5
1987-19 89 C DRNG 18218 147TH AVE SE DRAINAG�FROM RENTON R/D POND 626J5
1988-0787 C DRNG t5004 • S� 114TH ST (LLEGA�INSTAI.LATION OF TlL� 87-0485 827A6
" 8-0790 C DRNG 14418 SE 116TH ST WADEQUATE SYST�M INSTALL�D 626.�6
�\ a�-0117 C DRNCy 14408 SE 100TH ST SUMM�R WINDS DRAINAGE OVERFIOW 62_F
1989-01a0 C ER0510N 14429 SE 116TH ST - PVT Rf7 WASHOUT DUE 70 NO�I�AINAGE 626�
1989-0'Eb0 C DRNG/ERO 14428 SE 118TH ST PVT RO WASHOUT DUE TO ND DRNG 89-0 626.1��
1989-0318 E DRNG '11800 138TH AVE SE CLEARINGOF R/D NATUI�AL R!D POND 626J6
�sss-o53a C DRNG � 94842 SE 114TFi ST FILL OF DRAINAGE 87-a485 627A6
1990-05�8 C DRNG 14842 S� 114TH ST DITCH FILLED(N 627A6
1990-0819 C PONOING 10403 447TH AVE S�,, IN YARD/81-0619 S26J5 -�'
1990-0982 C DRNG 15630 SE 118TH S7� DITCH�NDS BY PROPERTY 627AG
1990-1623 C FLOG 13611 SE 118TH ST �R/D FACILIIY SEEPING WAT�R 628J6
1991-0339 C F�DG 11212 13TTH AVE g� PIPE OF PWVATE DITCH 626J6
1991-0578 C DRNG '11833 1a2ND AVE SE WAT�R PONDING IN YARD 626.16
9991-0619 C DRNG 10403 147TH AVE S� INCREASED FLOW IN S�ASONAL CREEK 626J5 �
1891-0619 SR DftNG 10403 14TfH AVE SE T�CIP 626J5 �"
19�91-0797 S2 ON HOW 827A6
1991-0898 C DRAINAGE 15212 S� REN70NrISSAQ RD HIGHWAY DITCH CL�ANING 627AB
1991-0932 C DIVERSIO 15630 SE 116TH ST DITCH OUTI.�T ON YARD 627A6
1991-1127 C BEVERbAM 1�F800 SE MAY VALLEY RD DAM IN STR�AM 626J5 �'
1992-0100 C DRAINAGE 12240 142IVD AVE S� 62sJ6
1992-0137 C CONSTRUC ,14410 SE 1077H PL • NEW CONST/RENTOtV 626J5
1992-0169 C DRAINAG� 10262 14TTH AV SE ' B26J5 *�C"
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Page t of 3
��u-,R._3.ce�r�4 4-.�.�rr� K� WLKll NO.986 P.3i4
�t � iype of Pro�n Ad�aae�iPt� � Tdrns Pape I
�' 2-0169 SR DRA[NAGE 10282 147TH AV SE N�T NDAP(GROUND WATER) 62fiJ5 �- Ili
1982-(3484 C MAY CR�K 15440 SE MAY VAILEY Rd MAY CREEK RISING 627A5 I
1982-0484 SR MAY CR�K 15440 SE MAY VALI�EY RD MAY CR�EK RISING N07 NDAP 627A5 I
1993-0086 C DRAINACE 1022� 148TH AV SE DRAINAGE CHANNEL ON PROPERTY 627A5 4'
1993-0094 WQC EROSI�N 1U217 148TH AYE SE EROSION ON CLEARED LOT 626J5 �—
1993-0236 C EROSION 10202 148TH AV� SE EROSI�N PROBLEMS ON ACTIVE PREMIT 627A5 -rc I
1993-0236 ER EROSI�N 14202 1�STi-I AV� SE EROSION PROBLEMS ON ACTIVE PERMIT 627A5 �-
1983-0236 RN EROSION 10202 1487N AVE SE ER�SION PROBLEMS ON ACTIVE PREMIT 627A5 -�c
1993-0339 WQC SEWAGE 10222 148TH AV� SE REFERED TO DDES 627A5 f
1993-0387 NDA DRNG 17203 148TH AVE S� PONDING IN YARD NDA-F 627A6
1993-0387 RN DRNG 12203 148TH AVE SE PONDING IN YARD NDA-F 627A6
1993-O�F37 C DRAINAGE 11204 148TH AV�NU� , $�.. ENCLOSlNG ROA�SIDE�I7CH 627A6
1893-0858 C RUNOFF 10220 148TH AVE g� CLEARING OF N�IGHBORS LOT 627A5 -F
1993-0932 C �RNG 1022fl 148TH A1/E SE CL�ARING OF NEIGHBORS LOT 627A5 4-
1994-0177 C DRNG 10218 148TH Ai� SE NEW HOUS�NEAR SWALE 627A5 �
1994-0476 C INQUIRY , 10217 147TH AVE � SE ROAD CUI.VERT oUTLETS TO LOT 626.15 -F
1994-0476 NpA INQUIRY 1U217 147TH AVE g� ROAD CULVERT OUTLETS TO LOT 626J5 -� ,
9995-0420 C �ROSION 10415 14TN AVE $ TRIBUTARY OF MAY CR�EK 626J5 f
1995-0420 NDA EROSfON �0415 14TH AVE S TRIBUTARY OF MAY CR��K 826.15 f
1995-0420 RN ER4SIOt� 10415 14TH AVE g TR�BUTARY OF MAY CREEK 626J5 '�
BB9 C EROSI�N 11204 748TH AVE $� SLOUGHING OF ROAD5IDE"DITCI-! 627A6
� i395-0718 X DRAINAGE 10415 14TTFi AVE SE SEE 94-0420,NDA-C 626J5
f
1995-0996 X DRAINAGE 10415 ia7TF{AVE SE 826J5 �E-
1995-1037 C DlTCHES 11224 1aeTH Av� sE STOI�M DCC��D�D SYSTEM CAPACfTY 627A6
1996-01�3 C RUN OFF 14614 SE RENTON-ISSAQUAH (�p aUNOFF FROM SR 90D 626J6 f
1996-OS52 C FLDG 11615 148TH AVE 5E • 626.16
1996-0552 R FLDG 11615 148TH Av� S� FL000iN� FROM vANOALIZED FIRE MYo s2s�s
1996-0750 X DRNG 10415 147TM AV� SE DO�S WAS LFAD-ThiEY HANDLED 626J5 'F'
9996-1193 C EROSION 1120�3 148TH AV� g� REQU�S7 TO ENCL05E R1S DITCH 627A6
1998-13T1 C REEpGRAS 15440 S� MAY VALLEY RD R�Ep CAI�[ARY GftASS RESTRICTING CHA 627A5
1997-1299 C DRAINAGE 15329 SE MAY VALL.�Y RD PVT DRIVE CONST IMP TO RD DRNG SYS 627A5
1997-1299 E DRAiNAG� �5329 SE MAY VALLEY RD PVT DRIVE GOr1ST IMP TO Rp DRNG SYS 627A5
1997-1299 R DRAINAGE 15329 5E MAY VALLEY RD PVI"DftIVE COfVST IMP i-0 RD DRNG SYS 627A5
1997-1454 C DRAINAGE 10�29 FOREST AVE S OFFS�TE SHEE7/CON�ENTRATED FLOW I 626J5 -�-�
1987-1454 R DRAINAGE 10429 FOR�$T AV� S OFFSITE SHEET/CONCENTRATEp FLOW I B26J5 '�-
1999-0196 C DRAINAGE SE 101 SY/1a6 AV� SE OFFSIT�FLOW tMP PROP G17Y OF RENT 626J5'F--
1999-032Q X DRAfNAGE SE 102NOh�7-48 AV SE MORE OF TNE SAME 626�5 �
1999�0417 C FtLLING 15019 S� MAY VALLEY RD ALL�GED FILLING VIOLATION PREVIOUS 627A6
1999-0710 C D�SRIS 148XX SE R�NTON-ISS RD UTIL WORK ST R/W APPFJ�RS AD�QU NO B26J5 *�
1999-0725 WQC CRE�K 14813 SE RENTON-ISS RD , CONC�RNS R�GARDING SEDIMEN7 DRAI 627A6 -�
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pege 2 of 3
MAR. �3.2e04 4�33PM KC WLRD N0.986 P.4i4
_ � � Type of PI'Obl�n A11��of Prade� Gn�a� � ilmos Pane
� �
����-0026 C Ct_F_ARING 10415 147TH AV� S� LOT CLFARING PR�P TO N�Vv CONST7? 82�J5 �
2oQ0�-0440 WQR DES 10415 147TH AVE SE WILL REVISIT SITE DURING RAINSTORM T 626J5 E--
2000-0760 WQR WQB 11204 148TH AVENUE S� Mrs.Waftrip has mu�ched all exposed soil to s 626J6
2001-0065 X IN� 10415 147TH AV� SE EMAIL RESPONSE SENT FOR RON S�MMS 626J5 �-
2d01-0186 X DCA 10415 14TTH AVE SE prepered email for Nancy Hansan to send to 626J5 �--
2001-0274 W�R WQO 10220 14BTFi AVE SE 627A5 �
2001-0318 X INa 10415 147TH AVE SE RESPONS�BY RON SIMS TO A LETT'ER S 62GJ5 4--
2001-0765 NDA- DOM 10415 147TH AV� SE PO'fENTIAL QUICK FIX-WAT�R FROAA NE 626J5 �
2001-0765 R ppM 10415 147TH 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 626,l5 �--
2002-0005 C DDM 10415 147TN AVE SE PDR FOR ENFORCEM�NT�ETT�R 01-OB4 626J5 �-
2002-0035 X INQ 10415 147TH AV�SE FtESPONSE TO 1/9/42 EMAIL FROM CLAUD 626J5 '�—
2002-0212 C DOM 10726 148TH AV�SE SFR WITH GROUNnWATER PROBLEMS. 626J5 �-
2ao2-o303 NDA ppM �0415 1a7TM Av�SE UNDERSIT�D CULV�RT CAUSES BACKUP 626J5 �E-- �,
2002-0303 R DDM 10415 147TH AV�S� UNDERSIZED CUL V�RT CAUS�S BACKUP 626J5 E—"
2003'0210 X INQ 10�15 147Tfi A1/�SE EMA1L iN�UIRY REGARDING EROSI�N CO 626J8 ��-- i
2003-0567 C DTA 11327 148TN AVE SE WATER IN CRAWL SPACE.APPEARS TO 626.f6
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Page 3 of 3
I ;�, —�' KING COUNTY DEPARTMcNT OF PI�BL�'C WORKS
� O SURFACE WATER MANAGEMENT DNtSION �
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COMPLA(NT INVESTlGAT10N REPOR� ' �'�
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/ Date Hec a:
NATURE OF COMPLAINT: -� �p - S.S ! �� �
� ✓ SEC�NVP �RGE S
LO�ATIO�l: �j35� J1 c-�%�j� KROLI PG. b'UC�
COMPLAINANT: f���P� ��Pdi✓PACC CAUNCIL DlST. �_
vHOt+E�+0.
/�' HOME ��S��� O
Address f���� �`� �����C � City �State /�✓� Zip � � WORK
DETAILS OF COMPLAINT: �
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� tS OF INVEST1GATlON: Sketch on revers side:Yes No O Photos:Yes � No Q
t -' �r
On site 2-27-92.
The Brundage residence is located on the side of a relatively steep hill . �Slope is from east t
� 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 type road with ditches on th
east side. Run off to the west is shared by the property owners. Observed no noticeable erosio
at 10263-148th from the road. Roof run off is piped-probably to a dry well .
+ Photo 1) Looks south on 148th with adjacent lot to Brundage 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.
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I :AMPLAIt�lT INVESTIGATED BY: ��-�C:l,t..��r��Lz DATE: 2-�8-p Z
AC710N TAK EN: 3-13-`1,2.. S�J �,.r�� (M�- �I�L-`+�(i-�- • .!u./f�� vo r� v�c K v� �'�i..a� 9�
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Complainant advise�of action possible or taken by. Phone 3 Leiter O Personal Contact O � �
Complaint Action Handled By Closed: 6 � � OK'd: --��
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�� - S�RFACE WATER MANAGEMENT DNIS(O�v �p
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�,F. ._= COMPLAINT lNVE�TIGATION REPORx z �
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NATURE OF COMPIAfNT: Ce z7- /� S �� Z(P ' � �
� LOCATION: � t - SECZ�TWPZ3 RGE �
_l7d/�,jf��U /V f 1 lrffa0� �OI'd-8/� !y�//'I.q S//17U/7_s � KROLL PG. �O /
COMPIJ�INANT: �f�/VQt� �//�)�I� COUNCILDIST. �
PF1pNE NO.
HOME �Z�3 9�0 U
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Address ty P WORK �.3.5"!,S O Z�
� DETAILS OF COMPLAINT: C�`/� � �O r��
�' /U��6�t�3a�. g�ri�; a �to u� � y2s � �O �� /�lt�—�� � arGt�i'1a�
Scfsr�� Gv�-���dc �i��rls or�rU S'i�ro�.s �Gr. /l'� .S'����
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� � ��h%/� So���� su�.5 h 6O r-.u��,%�Gi �aJ /��eas-.�d w/r� � Ya��zS,
ff�' CC��/ ��T ���/�f����rv'�- o`�7,Z�� � sGt.ow Cacc�r�arr � ��a h� c._C
t n l ��v�-L �o r�,��crzS ao n c� rn 9�r-TLc�-c.� ,
! �LAINT RECEIVED BY: <.fiG ���T�
��_ _�AILS OF INVESTIGATION: Sketch on reverse side:Yes No 0 Photos:Yes Q�_�No❑
' On site 2-2-93. °i�"""
Met with Mr Simon and viewed the problem. He has a one acre lot that he has cleared fo�
construction of a home in the new year. S1ope, 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 in�ormed 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 small pond in a low spot in the front, and
fror� 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.
� Photo 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) 1(iew 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: �r�.-�-- DATE• Z� 3'��
ACTIONTAKEN: Z.23-`�3. S�o(cQ .,���}. �a�_y Sl��it�� S�„!� r.t,a.s r-o ��a��e� ..r�� .✓ ,�- .
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1 Complainant advised of action possibte or taken by: Phone Q' Letter ❑ Personal Contact �
Compiai�t Action Handled By � � � Closed: OK'd f�v`�`'
Na�^. Oar. Mit�313
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_ COMPLAINT INVESTIGATION REPORX � �,
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NATURE OF COMPLAINT: /`� 5� //J� , �` Z� ' � 2J II
SEC �TWPZ3 RGE-�- I
�ocAnoN: � G��OSS_ ST�L=�T F�C��'''t �DD. �3� L��� KROIL PG. _��_ i
COMPLAINANT: D�L./�T I�IP���.E . C�i, �L�l�S �N�ILDIST. �_
;� HOME
Address � �Z � � ��� �v 5� City State Zp WORK Z_s'� 9 S 7 � ,
DETAILS OF COMPLAINT: 7�Z/P✓ TD /�p►i9y C/���K - Q s � ►'�����Gl�z�iT70�( �r�tyiv�
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C' 'IAINT RECEIVED BY: `����/L7� l 5 J.3�' 0 liC� �v(CG��G d l�.�Lt «r ,2-! -9 3
DR • OF INVESTIGATION: Sketch on reverse side:Yes No D Photos:Yes�3 No O
� ayn�h
On 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 .Z 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 wetlands.
z-3- g3 �
:AMPLAINT INVESTIGATED BY: �� ,�.c� ��Xfi�,p.�(/a,�.�r-- pqT�; �
�CT10N TAKEN: Z-23-q� , � p y,�r��
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` !N�� DD�S G�1DN'� �
Amplainant advised of action possible or taken by: Phone C�' Letter O Personal Contact O
:ompiaint Action Handled By YI �'`1�- ���C�/�.�c.�_ Closed: � `�— 7 3 OK'd:�
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� KING COUNTY SURFACE WATER MANAGEMENT DtVISION I
DR.AINAGE INVESTIGATION REPORT '
Page 1: iNVESTiGATION REQUEST T�PE � - '
< - OBLEMLuAti � + � 5
� f eived by:R a�K� Date: �y_3o_4� OK'd by:���� FUe No- � l�" -O Z3lc '�
ReCeived fiom: (Pl�as�print plainly for scanninQ)• (DaY) (Eva) i
trlai�I l_ I
NAME: Kc.l�`� (�v�In�- PHONE 211- SIl�3 `3Q� -6�$? �
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ADDRESS: �p�n7_ IQ��' AJc `yc. Ciiy ��N-� State_ .J�• Zip �j$o� 'I
Location of problem, H different: CHARGE #
Details of Pioblem: � ��'SE ���' �� �1��"�"�1��!- I
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��w Gv4J�T IN E`f'�� A�1c S�. Wl1X}T G.}hr BE' . 17erxrC ? .
Other agencies involved: (Give details)�p�� �����n�L f)�u�� h�-F�72iQ�
h1R• ddz��aL 7-a S-wM l���2 . .
Reported Impacts: # Properties: Dates/frequency of occurrences :
_ Home FR�r �T,z R�vc c vr+ �Yt1l�R�N ZZ.''�° l��c 3 J
Access road
Septic system S�"'�G G�'���' � �p���T ��
outbuildings, garage
Yard/landscaping
Other property
Stream, lake, wetland
Comments:
AP1�tc.TtT Nqb►t88rZ F��. t3AK+4n�.vs Z35 -II SCo �,S Kr�+d.aL�D[.E7?"8�-� � S�1v�►1Zrn�.
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Location/Tracking lnfo: 1/4 SZ 7�3 R� Parcel No. Type
Basin Q I7 Council Dist� DIR Ref/Chg No: City Field investigation needed?____
tt �ame: Btock No: Lot No:
s7ction faken: Assigned to: Tumed to on / / initials: KRQLL 8�I
THOMAS BROS �EW� �Z 7•'1 � DATE CLOSED: ���/�� OK'd:�
o�o: �s �2. �,�� s�o143 � � i�J�o �n�s �4a� '
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NOISIn(a 1N3W3�b�NVY1�;�l31VM - �1�� g
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DRAINAGE INVESTIGATION REPORT ,
Page 2: FIELD INVESTIGATION . � ',
��� �� . .; �_ � �.:-�Y�E .: � .; _ L
, ; ,
File Name: �Z��� ���� �� - ���-� E�7e No.:�� ��/Z-�
Detar7s otlnvestigation: Date of Field Investigation:�/�� Reiated Investlgations: g3-0086/Simon.
Met--witti���ir CozioT .and .Bakamus and walked the problem site. Recent heavy,rains apparently ov
ta�ted tt�p�8"ADS drain the property owner (Simon) put in recently. Water went down� tFie��ditche �
dug�on the east and nortt�'roperty. lines causing erosion in th� ditcF�es.;and filling ,a drivewa ''
`� -cross- culveht, causing water� to• over�top the private drive and `started to`�erode the R/W at tk
roadside ditch. It was pointed out that the east and north�litches were dug on other peoples
-- Pro ert Bakumus on the north-out of_town_or�n�r_on the.._e��t�1____. _____ ,_._____ .:_____ __ _________..
,__P=. Y_._ . _ - _.___.. ,_- -- - ---
Photo l) Looks nortf� and westerly fr'om SE corner of cleared lot. Orange dot at left is inlet
_ • . .8�� ADS. - �
�� . � 2). LooJ�s south. along east pr.op�.r.ty line at :drainage ditch�: Lot Inarker s�een• mid-right:�•
- � 3)" �hows ditch on Bakamus property draining to west.
4_}� 1li.ew of di tcM and si�t depos�i t ��by dri veway cross cul vert �('riear red�dot): ' � � � � �
5} View of natural drainage swale. . - . . .
6) Shows�eros7-on on private drive west of cros�s culvert. � � `
7) i�ooks, north on 148th where. run off. from private,drive to 10202 eroded section _af ro
s�houlder. ' � ��� � `
: 8) .8" ADS outlet to roeked. rnadside .uitch. • � � . . . _ , ��
9) Looks north on 148th wnere 8" drains to ditch.
_ _ _ ��lOj _Shows seepage from soil that looked like- oil with blue sheen to Water: No petroleum
smell noted.
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Date of Repori:�/ � /� By. �,Q�,.{� f�-(��,G�--- '�
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Complainant not�ed by �f by ✓phone _letter _ personai contact. y/"J��'- 9j• S?'�` e ""� �' �
��--C"o-�-,. `� � ..._D�D�S' — ��s.�Q.'r
_ � KING COUNTY S�E WATER MANAGEMENT DIVISlON �—'
� DR:.AINAGE INVESTIGATION REPORT
QBLEM - Page 1: tNVESTiGATION R�OUEST TYPE � I
� ived by: Date: Zy � OK'd by: � Flle No. a _�
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Received from: (Pl�as� print�lainy tor scanninDl• (�Y) (E+'s)
NAME: ��m/,�_� �-��J PHONE ��-CJ7(Y�
ADDRESS: � {�Z'2,p (�{�� �� �, Ciry SLate Zip �
Location of problem, i( d'rfferent: CHAP,GE #
Detai/s of Problem: �
gw� -Fm � �3-6�U
N�t(,�#6c�'S Rv�x�F �� �=t..Dofli.� "Tt-k�2 P��'�
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Other agencies involved: (Give details) '
i .
;
Reporied/mpacrs: # Properties: Dates/frequenc
fiome -
Access road
_ Sep�ic system
outbuildings, garage
Yard/landscaping
_ Other property
Stream, lake, wetland
Comments:
f� .. R H R _TIiRR� 4�MtlRffR3'd.£:�:L:OMr�L�T'"�D-3Y�U.�'?LAlJJT�-�F30GtiF,'A/S:S7l,tr � � IY I� �
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:ocaiion/Track:ng /nfo: 1/4 S 2- T�R 5 Parcei No. Q i�3� -q0� Type
Basin�� Council Dist�_ Din Ref/Chg No: City �ield investig2tior. needed?
P'-'�2me: Block No: Lot No:
i
acvifn raken: Assigned to: Turned to on / / Initials: KROLL
THOPIAS BROS �'�E�1= �27 �5 DATE CLOSED: �� / S / `l� OK'd: ��
OLD: 3S �� �
� ��$� �a� „���.��L�..l�. . �_. .. ..__ - -- `;`��
__ ;�
DR.AINAGE INVESTIGATION�R� �
- Page 2: FtELD iNVESTIGATION TYPE '
�. � -
� F�1e Name: Fite No.
Deta�7s ot lnvestigation: Date of Field Irnestigation:�/ � /� Related Investigations:
Property to the east of thp Simon's has been �lerred of brush. Slope in this area 1s
from tE to NW and would natural?y drain towards the S?mon �ro�erty. There is el�o e
ditrh behind properties to the snuth that drains into a �raina�e system built bY th�,��rt
`- �imon' s to �rain tc� the ditch on 148th. In spPaking to the Kozinl '� and ad�acent prd� �
owner that did the clearing,. the p��rpose was to c�ear thP br��sh and plant grass for �
pasture--no �radinn. � �
Photo 1) !ooks e�st over the touth end of the Simon foundatior. toWar�s cleared dr��•
2,1 Lo�ks SE over foundation at �dditional clearPd area.
3) Looks s�uth a1�ng rear of adjacert property ov�mer where ditch enters Simon'�
drain system.
41 Lonks west towar�s 148th.
4A) lliew fro� clearPd area over Simon Conttr��ction.
5) !ooks east towards foundatinn from c�itc.h where ba�k y�rd �ra�nage enters 1"nA�d
c�itch.
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Oate of Report: /� � � ��j By:
/
Complainant noi'rfied by �� by -�'phone letter personal contact.
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���� KiNG COUNTY SURFACE WATER MANAGEMENT DtVISlON 0.--
DR:AII�IAGE IIWESTIGATI�N REPORT
PRQBLEM �fZY,t�,�p,� Page 1: INVESTIGATION AFQUEST TYPE C�
� � Received by. � S�O•-, Date: �� _ r8 ,��� OK'd by: Fpe No. y3_�
� w 3
Received 1�om: (Pt�ass print plainly tor scanninp)• (DaY) (E„e)
NAME:�q},.�� S�� ovti� PHONE gZQ— Q7�p
ADDAESS:_/O Z-�-U ��g�' � S� CnY fi.P�✓�TD-�v� State �Q Zip'sL'
Location of problem, if diHeren� � CHAP.�E �
Deta�7s of Piob/em: � �
�'u�Jo ad.��-+.w�M9 �a�,�-e �as-t- o� -f-�.� 1- a�sz �„�,e.ti, lo-�
� an�e- � C[�o�.e.d . Qw�� o��.e. daee �of wa��f-� cr�,s��uh ��a.�-c�
-�o ��o�,c.l,�� � f �as c�.u.g f� �i�l aJ4 d� � S� rti.en �ro P[ti� , �
a�� 'Tl,�. �.[eo� ahr�eQa ahsZ abo U
►,•e.t,9�.b�,1 Le�,� Co-I-�e �s al so . l�
10 o�,,,c�. 2.p o�Ct�lZ� , ��' �5 wti f�hot�M� U,��� 9 ra.�g f��ea� ��-ti�
� �c��r e, �e� �SS u.eaC., t��e-a,�. c.a�� r s`F,
-- �
;
� Sac �3- oBSb�� Jl'�101� .
`�;.4�
other agencies involved: (Give details) r�-�'o� �Dav�__j�p�,�.�.a-�
Reported Impacts: # Properties: Dates/frequency of occurrences:
Home
Access road
_ Sep�ic system �
_ outbuildings, garage
_ Yard/landscaping
_ Other property
_ Stream, lake, wetland
Comments:
. .. . �. . .�.. �...�.«..��. �,. ,. [�"'zD;a"���L.A1N3'PF3'JGR..M Sfl.Fr... y... .- � : .. ,ti �..�.:
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. ......
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Location/Tiacking /nfo: NL 1/4 S � To23 R (o Parcel No. Type
Basin f�q:� Councl Dist_� Din Rei/Chg No: City Fiefd investig2tior. needed?_
—��r-
i�t name: B{ock No: Lot No:
•�tion taken: Assigned to: Tumed to on / / Init;als: KROLL
THOr1AS BROS �E�= ,��7 tt� DATE CLOSED: j� / .s ,� OK'd_ �
0 L D: - s� `�,3��5� S«
3} ��
KING COUtJTY SURFACE WATER MANAGEMENT DIVISION �"
DRAINAGE INVESTIGATION REPORT
PROBLEM j��Q/�/� Page 1: INVESTtGAT10N REOUEST TYPE � . �- . _,_
��._^�leceived by. �� � Date:3�7�9y OK'd by. FUe Nc 9�O'77 �
�,_;"i
R@C9%v8[�f!Dl1�: (Pl�as�print piainty tor acanr►inp)- (p�Y) (Ev°)
�
NAME: �a�'C�? ��d/'I PHONE �a8-9 700
ADDRESS: City State Zp
Location of problem, ff diEferent: �_�� a J p �U��- s� CHARGE #
a 7
Details of Pioblem: S93R r� � 8
,�v;�al.ii� a r�eu1 h a.>-�e, -�i e y �a v�
7-r�ed �'O Q�i v�� -�/�� �•�PNG �7Gvay �'�-om
Th e. �C.o�--. T�,� J,-c�.i.��ge sy s�e n-r i s
, Sf�il not ad�uaf� er�ov9h. �v�,at ��se
� Can She d��
� v�oukl
L!� �-o m c c t y�� a,-, s , te�
�-
Other agencies involved: (Give details) _
Aeported lmpacts: # P�operties: Dates/frequency of occurrences: -�eu� bY��
,
_ Home 93-���
_ Access road �y ',
_ Septic system �' '�,
_ outbuildings, garage 9i-
Yard/landscaping q/_�, '�,.�"
_ Other property 90-8�9�s
Stream, lake, wetland gq_"�"�'
— , �-no�,2,
Commenfs:
97f�h�`
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LocationlTracking lnfo: /1/I�l� t/4 S�T o�R 5 Parcel No.4aa3b5 g0$�] Type
Basin_� Council Dist� DIR Ref/Chg No: City Field investigation needed?_
Plat�ame: Block No: Lot No:
� ,� ,- t
-==:ciion taken: Assigned to: Tumed to on / / Initials: KROLL ��t w
TNOPIAS BROS ��EW= �2,7 A,J DATE CLOSED: �J��� OK'd: � l '��!"�' P�OB r
OLD: 3.SE Z I�o ND� ��c a� lo e�- el��#- � �`re�
dewu�a�' - �°"q'� I�µ���'�h, �'°4Q¢""w�a,e t�,�ce� t���.. 9 3.
___ _ _
� � J - - - i
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'--` KING COUNTY SURFACE WATER MAr?1�4�s� .�IT DIVISION
DR.AINAGE INVESTIGATION REPORT
�-(�-� Page 1: INVESTIGATION REQUEST Type C
� _� Received by. , Date: _ OK'd by. Ffle No. I
T�. 6-zo 9y 94-047 f �
Received from: {Please print p�ainly for scanning). (Day) (Eve) �i
NAME: /�/qIIG/Y /y)GtXi/)C� PHONE y5S/-3`�S9 .235-. 7.
ADDRESS: /o a I 7 I 5�7 r'' �!/G SE City ���,� State Zip 4'S[
Location of problem, ff difierent: �
Reported Pioblem:
,�/�e W�/�'S �'D Gj')o�.viC�, '�'�e. ��OC� O�
Sur�a'c� r,va.-f� Flocvs, � t/acarifi P�P�-�'�'
!1 ex-� f+v h er ,Co t /s �o!!e Gfi�rx� fih e i.c�o�'�
rw� o�FF, Sf�e would /;,� � �has d�.c1'�
d;�-� �P �o� h� ho�5�. s�.
d�a ra.m o� h� �'e c�'"n9 ucr�er�+��y
q �see a,-�f�ache��. ShG �s yorn`Jc to
Y'uns. F'a�C.
b�y -4-h� Vac a.r�{- l..o-�:
� -
��
Ptat name: �y,gy r/av/e y �O-ap cc�,n�ur�%ty .4dd Lot No: /6 Block No:,2,
Other agencies invoived: No Fieid investigation Needed ���
�
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/✓� 3 Z3 S Parcel No..$'230� O!60 Kroll Sd0 E Th.Bros: New �Z� �?"�
�/a S 7 a Old 35 02
Basin� Council Dist �� Charge No:
---------------------------------
---=p -- _________—_____-----�___��----------- —
RESPONSE: Ciiizen notified on �1 Z by .T.� hone� letter _in person
�Pe�e�-.-c� �, L)oEs Fo.P �?/kl u.tc per.r�.'f f��so Ga//e0� �Poads � �a�� .
fhc d��-ch an +�►e easts�'o(c a� /yBT�+ sr_ c�ecv�ed ovT r �e,f •�-�a.��^c
K�o� t-h a,+ she wo�,�,�d n e ed a. �e,r-m i t, ar�d �-h a+ t.ve� �ou-�c� _
be. �%��3 es-}-�t�.-��r9 ,.}�.,i s mu.-+'t-e,r;
DISPOSITION: Turned to on by OR: No further action recommended becaus
Lead agency has been notified:
;� �Problem has been corrected. No problem has been identified. Prior investigation addresses problem
'''—�' See Fle #
�Priva�e problem -NDAP will not address because:
Water originates onsite and/or on neighboring parcel Water originates on KC Road
_ Location is outside SWM Service Area. �iOther(Specify): //�J{�����j���
DATE CLOSED: l /02�/� by:��� �� ��-Xf nc, w f t v������ig���,d.u.�j .
NU151/�IU 11V�YY�:JVIVVYV t7�1VlV\ �JV�t]1 !J �iv� �v� =����n
. -- E-
KING COUMY SURFACE WATER MANAGEMENT DIVISlO�� -_ � �
�-�� DRAINAGE INVESTIGATION REPORT _ -� ���
� _ Page 2: FIELD lNVESTIGATION ..
� ��,: �:;;.; �..
>efai7s vf Investigsiion:
The a�ea of.concem has a slope from SE to NW. The roads are shoulder type with open ditches and x-tiles. There hav
been recent complaints regarding drainage that flows to the lot being inquired upon by Ms Nagel. There appears t�
be a large area that drains to the ditch on 148th upstream of the x-tile that drains towa�ds the Nagei lot. Concem. �
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 102nd and west of 148ih, plu:
some run off from the sloped area between 147th and 148th. The ditch draining to the x-culvert under 147th is gras:
lined and mowed, providing a sodded ditch. Did not observe siltation or erosion in the ditch or at the outlei. There dii
not appear to be a disgnated stream as such at the outlet and thru the vacant tot, but there was a difference ir
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.
31 Reve�se 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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lnvestigated by �Q ���,��,,�.... S� Date 7 -l�-f� 1
�
> • KING COUMY SURFACE W,ATFR�MANAGEMENT DNISION . � -
" � DRAINAGE INVESTIGATION REPORT
Page t: INVESTIGATION�REQUEST Type__� !
�� . ived by: l s�L� Date: � �_ S OK'd by: FUe No. 9S- dyZ�
- �
- Rece%r�i1 fiom: (Please PriM Piainly for scanninp). I�aY) (Eve)
� NAME: C/�i u�{ A �a�Je�l C L j PHONE v?SS- ��4�
ADDRESS: IO�/� J9�f� ,/(J►�C Sc� City /�c-�iO�.J State 1�,� Zp `/�d�C>�
Locat(on of problem. if different:
Reporled Prob/em:
C�.�-ss 1� s�,e�rr� ��it✓�-s c s �o�o��,v��s �o�-n�r
��i�� /S �j�/c-:���JG/�JS- �c%-^xc �i2os /vs� /�c�z/S��
O� C���i L L �t`?��Z d P•j'l�-�� l.v�i � /Sc �e.✓c= �
S'�if�/G/�� C�/�c1,�/EL ? ��1�vT�f .�T3S�S2"4�'Gar �
���nr �-� � � s�� � ��oT .,��,i� �,���2 r ���
/����cf�c.e .
�
Ptat name: C a-ff�om 6/en Lot No: ,Z Block No:
Other agencfes irnolved: No Fleld Irnestlgation Needed
�Mnds)
. �.�t:�►:��.��������:,��'� �It'�:: "-� ::>:�' - �����#�e�;��#,Fx:,���;��:���
-:�":`,�=. �'- " ..:��":;' :�'-�-:,.
- - �:��;�;:.�.�,����-::.� ��;:�-.� ,�i�,�
SF 3 Z 3 � Parce! No.�776 yQ OOZO tcrai Sao E Th.Bros: New 6z6�TS
�/4 S T R Old 3 S Dz
Basin �q�/ Council Dist �2 Charge No: �� �� �s.�� ��
--�--7—
RESPONSE: Citizen notifled on�-f�-fS�by �pho�e_ letter _in person 95-oyo3 �y>o� -�
���- c_.�t-wc�;�.. �v��t,o.L -4c� L�-�or-w. ��tx- -4�w�' �l..,s ._..,;U � S-u,.� �o ��ovAf�
�'�j�^^^ -�'�. L c�s� �lo n1Dpr
DISPOSlTION: Tumed to�on � ��/��by OR: No further action recommended beca�
Lead agency has been notfied:
_Problem has been corrected. _No probiem has been identified. Prior irnestigation add�esses pro�er
—See r-�e# •
�Private problem-NDAP w11!not conslder beceuse:
Water originates onsite and/or on neighboring parcel
_Location ts outside SWM Service Area. _Other (Specify):
DATE CLOSED:��—�by: � ���-�
' '- KING COUNTY SURFAGE WA�ER MANAGEMENT DNISIOh
ENTER (d:l[pathJfileneme[.ext�� S��Ac�i�E��,��TIGATION REPORT r `
�� � . Page 2: FIELD INVESTIGATION
Detar7s of/nvesdgation: . � r
�
oomplaint 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 are i
concemed about the small creek that runs through their property. A class III stream runs along their west property line�. '
Mr.Donnelly thinks that 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 properiy. There is no new development
upstream of their property. The drainage basin consist mosily of grass and pasture. Most of the houses are located oa
large grassy lots or on 5 acre tracts. After driving the area with Mr.Dannety 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.
Ttie other ooncem of the Donnelly's is a new plat that is going in on the north side of their properiy. This 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 know if this water is being accounted for by the New Plat of
. I said I would check into this for them. I explained that the county has no authority over this plat but I would chedc
on the plans.
Cec
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DOIlI1C�y .
147th ave se
1�__ N
' ti —��
Investigated by Date
10/09/97 11:4J ZS'LUIf 'LU5 bGUD 11 l, tAhc. urri�c -+-�-► L1�A �.jvvLi�vL I
.�
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t i� �F���`i r.,llti �cix �r��t�r!�:
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10415 - 147th Avenue SE ='-�==f-�'�.P11�'�-�!
Renton, WA 9g059 !����-�a
Octobec 6, 1997 X ` - . .
.^.L:;r=��15:.��•;•:l?:L�_ `
-�-- j:::�l`•.^.;d1�F�r.':�r;;`,
�° . �t=%<?f�r
Kng County Executive Ron Sims �=�=�
King Couniy Court House �; -rr}, /w(� ,
Seattle, WA 98104
� P��- �- � .
Dear County Executive Sims: ��t�
It has been two weeks since ! sent you my first fetter_ I haven't heard back from eith`�7_�
you or any one else, so I figured I'd write again. I made a copy of the video tape of
Greenes Stream from March 19, 1997 and need to know if I should send it to you or '
someone else_ �
Severaf years ago, when Gary C.ocke was Caunty Executive, i wrote to Mr. Locke
about our problem at that time. Some County people came out and took a lovk at our
streamineighborhvod prob(em. 1 a(so received a letter from him . . .
� �
--__�f Please advise me if 1 should sent the tape to your office or to someone else's affice 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'tl only 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, but our property 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
cutvert allowing water to flow underneath 148th Avenue SE to Greenes Stream, how
are we to protect our property from future flooding that will only be getting worse? Just
ignore it? I would appreciate hearing from you.
Thank you for your time.
Sincerely,
� �
Ciaudia Donnelly
� 1
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�.IS
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�_ .��
}�iNG COUNTY SURFACE WATER MANAGEMENT DNlS10N
DRAINAGE INVESTIGATION REPORT �
� Page 1: INVESTIGATION REQUEST Type
Receivc�ci by: Date:_ .��3� �� OK'd b : File No. 9'S �'7`�
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------------------------------------------------------------------------(-------------------------------------------=-------_-------
ReCelved fiOm: (Please print plainly for scanning). (Day) (Eve)
NAME: ✓O�?f'1 �Gl`G� C!Gl���•tti GZ� PHONE �
ADDRES S: �D��5 ��7 � ��e .S� Ciry State Zip 9g�
Location of problem, if different:
Reporied P�oblem:
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_ Se�e �-�`s� � ��- °� i �
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U:har ac2ncias inv�fve�: No Fi21d Investigatio� N��ded
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t,f� s T R Old 3 -rj��
Easin /f'�AY Council �Jist �2- Ch�rge ho_ I
---- - ---------- ------- _�—���Z�� i
RESPONSE: Citizen not�ed on by _ phone _ letter _ in person ,�, Q� j
DISPOS/TION: Turned to on by OR: No further action recommended be I
Lead agency has been nothied: I
� � Problem has been corrected. No problem has been ioentified. Prior investigation addresses prc I
��. — —
See Fle �
Pri✓ate problem - NDAP wil!no£consider because:
Water originates onsite and/or on neighboring parcel
Location is ou[side SWM Service Area. Other {Speci7�):
DATE CLOSED: ( � /�_/�,� byl� �y�� /��_ 6�j } I
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- _' - �.. -- _� _ � � p g�is�.�5
AUG 15 �995 RECE�vEo � � d �
�' 10415- 147th Avenue SE
� � Renton, WA 98059 �NG COU Y E N71VE EFKE
� . - '<:Y TO: f fU
P;,'�,.!C Y7UI�s:S Ji�E�"iQr��
August 10, 1�5 DUE DATE
AUTHOR:
County Executive Gary Locke SUB�ECt:
King County Courthouse Ac7tON
Seatde,WA
�RESPONSE FOR EXEG SlG.
RE: Frustrations of a Coun Resident �ESPOND FOR EXEClJTIYE
�' REVIEWED BY
F.Y.1:
Dear County Executive Locke: -
I would like to explain to you the frustrations of a county resident who is getting answers to a
problem we are experiencing. The problems I will discuss are par[ially caused by the county.
My husband and I,along with neighbors Steve and Mary Keech,live along and at the bottorn a.
Class 3 Stream -- it has no fish in it and is dry part of the year. The county(DDFS 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 aze getting run-off from his property. Another property owner
(Blackmun) lives at the comer of State Route 900(Renton-Issaquah Road)and 148th Avenue SE. I��
Over the last year or so,he has been clearing his property(which he has every right to do). Now I
we are getting arlditional run off from his property. The county's part of this problem comes from
the drainage ditch down 148th Avenue SE. Half way down the road;a culvert diverts the water I
� under 148th Avenue SE and into our Class 3 stream. Now there is even more runoff water for us.
In addition, there is runoff Crom 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 htll and eating away at the property(in King County}. Eventually it will affect us. And
in the long-run, tlus sildwater/debris runs into May Creek. �
� Last April,just to make sure everything was done properly,I called the Surface Water
Management people to see what could be done. They came out and investigated. Last July Alan
I Meyers of SWM came out and again looked at ow 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 pmperty
owner's access to his home is threatened or a home is threatened by water/ftooding, then
something can be done.Earlier this week Mr. Blackmun was doing some additional
gradingklearing of his property apparently with no permit,so after'talking to Mr. Meyers at SWM,
I called in a violation. I got a call back Crom the Grading Department and they said that what he
was doing was legal and no permit was required. How can it be legal? We need a permit to fix
our stream and he doesn't need a permit to fili it full of silt--it's the same water. Our property is
being partially destroyea 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 fix our
stream only to have it destroyed again next winter. It will oost 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
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� 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 ruleslregulations that are on the book,but this is frustrating. Will the county ever help us? I
doubt i� The reoords from SWM will co�rm 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 wauld Iike to invite you to our house to see what the problem is.The people in SWM realize that
there's a serious problem,but their hands are tied. Maybe if you come out and see some of the
problems o1'us"little 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 heiping people with drainage problems. This is a lot bigger problem that keeping the
. baseballlfootball teams in town. .
Thank you in advance for listening to my frustrations.
Sincerely,
,
t/���fc��/ ` c1Y�
% Claudia R Donnelly
cc: Mary and Steve Keech
Councilman Brian Derdowski
� f
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. � ;
KING COUNTY SURFACE WATER MANAGEMENT DIVISION '
DRAINAGE INVESTIGATION REPORT ` '
;�� _ . � . . �
� t Page 1: INVESTIGATION REQUEST � Type
Received by: ��D �, Date:. _ /j � �5 OK'd by: File No.�5_ O�
�_�_ .
RBCe%ved fiolTl: , (Piease print plainty for scanninp). _ (Day) (Eve)
. _----_
NAME: (i/���a/ � .. �D�J�'I`eII� PHONE - . �
ADDRcSS= �O T�5 �y7 � �� .5�. City J� ��N State 'ip�
Location of problem, i� diE�erent: �
Reported Problem:
�See �-��h�! �.���°�.
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2asin�A Coun�il �Jist �'�� Cha;oe No:
R�SPONS�: C;,izen notR�ed on by _ phone_ letter _ in person -��_Qtfz�
�� � Q�d �
q5 - 07��
DISPOS/T/ON: Turned to on by O?: No further action recommer�ded 1
�ead agency has been notnied:
_ :robl�m hzs been corrected. _ No problem has been identiiied_ Frior investiaatio� addresses F
See =�ie #�
_ Priv�;e problem - nrDAP will not consid�r beczuse:
Water originaies onsite znd/or on neighboring parcel �
Location is o:Jiside SWt�A Service Area. Other (Speci�}�):
DAT� C!OSED: __��_��� b}': /
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King County
� Department of Public Works
Yesler Building
400 Yeslet Way,Room 700
Seattie,WA 98304-2637
(z06)296-6500
December 27, 1995
;
Claudia Donnelly
1(}415 - 147th Avenue Southeast
Renton, WA 98059-4213
Dear Ms. Donnelly:
Thank you for your Ietter 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.
' ' �. ,J 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 SWNi '
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 pmperty impacts are addressed through the Neighborhood Drainage Assistance
Program (NDAP), which I addressed in my previous letter.) The initial step in the Fnforce-
ment Program is to contact the owner of the property on which the violadon exists 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 pmperty, and they do not affect the capacity of the channel on your
property. Although aesthetic problems are real problems, King County does not have the
resources to address aesthetic problems on private pmperty 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 regarding the County's policy of working in potential annexation areas. Rather, he
made a general comment that at some point ICng County would stop working (and spending
money) in an area that had been, or would soon be, annezed. 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 annexation, 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 Division 3 have recently been maintained and are
functioning as they were designed. I regret any confusion created by a lack of communication
between King County and the City of Renton. I
King County personnel are aware that Green Creek is a tributary of May Creek, and the
SWM Division is currenfly preparing the May Creek Basin Plan,.which will be submitted to i
the County Council and affecte�i cities for approval in 1996. The Basin Plan is a comprehen- I
sive study of the May Creek basin and includes recommendations to improve water quality, ��
impmve 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 svspended solids. '
J j
Thank you again for your continued concem 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 296-1908.
S' , .
P Tanaka
�
Director
PT:beczo -
Enclosure
cc: Paul Lumbert, Office Engineer, City of Renton Public Works
Jim Kramer, Manager, Surface Water Management Division
ATTN: Dick Thiel, Manager, Engine�ring and Environmental Services Section
Anne Bikl�, Cedar River Basin Steward, Watershed Support Unit
��
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KING COUNTY SURt=ACE 1NATEr-Z tr4ANAGEMEtJT DIVlSION
D�ZAINAGE INVESTIGATIOI�I RE1.'ORT �
�, � � � Page t: INVESTIGATION REOU�ST Type �
Received by: . � - Date:: ;�, - Cl OK'd by:� '-�i�� File t�o:G�'� _ ���
____ �___ _________ _ _1�1_�_ _________________________________�
RCCBiv2d (/O/17: (Please ptint pl�iniy 1or scanninp). (Day) � (Eve)
- NAM�c: I`U-�� W�S��n PHONE�Zg"�D / � �
� ADDR�SS: - ��(� /'I �� ��;/'ND�1-�S� !�A . - City. ���'1-�C�N Stace �ip��,
_ .Loc2tion of problem, if diueren.: _ �
r7epor:ed P�oblem: -
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r�SPONS�: C;�izsn noiri� on Z Zg,p� by � ph�ne _ I<i��r _ in perso� � �
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D:SPOS/T/ON: Turned to on by O?: n'o fc:�h�r action re�a�m�r,d�
� Le�d 2cency h2s bee� ro.ine:: (ll,S ��T -
_ r.obl�m h2s b�2n co:rected. _ �o problem hzs b��n iosnti;ied. ;rior investig�tio� a:;��sss�s ;
. See :de �
?riv�.e proble.;� - ND.=v' viill not cons%d�r bec2use:
1�'ater originat?s onsite Znd/or o� n�ichbo:ing parc�l •
!ocztion is o:Jtside SVJI�4 Service Rr�a. Oth�r (�peci>>):
Ci.'-1TC C��SF�: f'� �� / � /� `J�': _!�'/'�J n� . �
-. . _ . . � -
� complaint 96-0143 Westing, Kate
Y 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 property to the west to the
Westing property. 1t 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 road runoff. It
appears when the water gets high enough it runs towards the neighbors to the
east. SR900 is maintained by the State. I 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. S� q oo �s ��.t�-�-:�,C b Y +�- �k..� •
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� '-- KING COUNTY SURFACE WATER MANAGEMENT DNISION �
,
? DRAINAGE INVESTIGATION REPORT �
� ' ; Page 1: INVESTIGATION REQUEST Type
�
� Received by. Date: 3//3�9� OK'd by: File No. �� — 7S
Received fiom: (Please print plainly for scanning). (Day) (Eve)
NAME: �Oh{�.��L/� (�Cl�G�� PHONE I
ADDRESS: ��7'�� ��� � ��� s� City �����rl State�p Zip ! �� I
Location of problem. if different:
Reported Problem:
- �.: _ ��1."�c�D —
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Plat name: CD � /1� C��e� Lot No: a Block No:
Other agencies involved: No Field Investigation Needed
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t/4 S T R OId 35 �2
Basin /71�? Council Dist � Charge No:
RESPONSE: Citizen notified on by _phone_ letter _ in person
DlSPOSlT/ON: Turned to on by OR: No further action recommended becau
Lead agency has been notified: .
Probiem has been corrected: _No problem has been identified. Prior inVestigation addresses probier
—See Fte# -
_Private problem -NDAP wil!noi consider because:
Water originates onsite and/or on neighboring parcel
_ �ocation is outside SWM Service Area. _ Other (Specify):
DATE CLOSED:� L�� � J�; by: � �
'1-*� C�:7T�-'�"�, S _�� / ,y n n z �
'` �.�._-'. ' y� `� 1�' ;];i:, � t':'-�_�7c`..�. � ��lft1_'—' �`�,f- _�"v.r _`�'w�.�-v�.-T ��.�':J%�: �. - -.
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_ r�+E�v ED MAR 8 1886"� I�
�� Rvv C kt�.IYED I
� � 199� 10415- 147th Avenue SE K1trG COUN� tIT1 oFFlU�
�� �AR Renton, WA 98059 70: � � �' ` !
�����CR E q►RE�T�R March 3, 1�6 DUE DATE �
AUTHOR:
A�L. f��k�-S SUBIECT-
�wiZ t
County Executive Gary Locke ��,UJIb�� / '�'���
King County Courthouse V RESPONSE FOR EXEG SIG
Seat[le, WA _�tESPON�fOR EXECUTtVE
REVIEWED QY �
RE: King County Giving Permit Granting Authority to Renton F.Y.1.
DearCountyExecutiveI..ocke: �'' ������C���
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 County official who is Funning for governor. I '
would hope that you are also concemed about damage being done to our environment and the '
flaunting 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 I
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 _� I
raises a red flag in his mind. I
This development has a habit of doing work on County property without having the proper I
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 tiy someone in the Public Works Department. This developer is now getting the
necessary permits or intergovernmental agreement.
On Febi-uary 21,a contractor employee did some clearing work on a right-of-way on land located
in this development. He [hen 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 �L•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
• DDES concerned with environmental issues. I also talked to a lady in the land use office and she
stated that this development/contractor had no permits to do any type of clearing in King County. �
Since I didn't get any response from the County, I also called the State Department of Ecology.
On that Fnday, I got a call from an inspector and she said that the County would fine the deve}oper
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 DDFS 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 woutd have to get permits from the
i i `�. I
; . ��
/ '
� Count . Plus we would have to ut some erosion barriers. How are we oin to rotect this ��
Y P � g P
stream from damage?The City of Renton surely isn't going to do so. Last November I called the .
City of Renton about environmental damage(that I had pictures o� that was occurring in this ,
development. This Renton official only got concerned when a Department of Fisheries person i
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 �'� �'
Street. The City of Renton is trying to do this without all the necessary permits. What gives t6e � ,
City of Renton the 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<.�-���- � ��s-�-t �.t�.� `,� P' c:�-`,�'� �
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1� V�� -� . .:. _ ,. � . .i':: .::..-. ''.- ' _ . . . '.
KING COUNTY WATER AND LAND RESOURCES DIVISION
DRAINAGE INVESTIGAT'ION REPORT = � �� �,
Page 1: INVESTIGATION REQi7EST y � Type �_
� ;�ROBLEM ��19�/II,Q�G� r { _
+ �r� ` ' . ' t�lL
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ADDREss ��(C�-��G_�-r '`��P ' � ��= a -�, - City { � State "'.`Zip �`'°
. ... ` z r�a3�.z.. : . :: ,. t+ {5 ' -= ' �.,. � . . ��'+ I
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Plat n' e: �� (�,� I.ot No:�2- S3_ Block No:
I�� OtherjaF encies involved:
_ B No field mvestigation requved
I� "�.1 initials
i ;�� -�= 2� � _
/a S . T R Parcel No.�54�' OS� -�Kroll �� Th.Bros: New (o Z� T5�
' Old 3�l�Z
Basin _M 1`� Council District �Z Charg�,No.
RESPONSE: Citizen notified on ( by: phone letter �in person
�itl 5 / T� �
c �.d�ep y� c�r� o � R-P�✓;�n1 �2
�p ,S�o S�,��o � o� ,��P2 w��L � ,� c oN vey,�r��
D�sPosrr�olv: 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: �
� s�Fu.E#
� --� 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):
DATE CLOSED: �/ /f� � aI gy.
(�T ��B3
�
Complaint 99-0196 Gallagher
Investigated by Pat Simmons 03/11/99 �
+30-72b�
I met with Mr.Gallagher,Bob Arthur(City Of Renton),two other city of Renton officials,and two other
people from Chaffey corporation to discuss the a flow of water across two lots of the Stonegate I
deve[opment.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 azea were it seems to infiltrate into the ground. I
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 of the plan before the houses could be built.
$Ti�fF�''� I,
Lot 53
148th Ave. SE �
Drainage Path �
� � I
�''�e
�;
t,oc s2 �
12"Conc
L-- E—
147"' Ave. SE � NTS
;
.. . .. . .� ��... ' _'"... _- .. _._.., __ "'__�",�'-"w..�..._ '-______�_"":�..,�,
; , -�,.. • KING COUNTY WATER AND LAND RESOURCES DMSION
�
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DRAINAGE INVESTIGATTON REPORT�' �-"'�{� s
- � � • - - � � . � � � n T����T��1♦T� �T F.(�4�'��Qi=Q-{'�` r �� ,+ . ,� .�L f Y°"""'�e ��.�.:. :.
. . . . . � - rC�ei�1 il`1 tlr.JilVl11101���C"'-,.'+'41 i�y��F��� ��� '�✓-�rt��s°3�f,r�--TYPe. �=�
�� , PROBI�ivi: ��lG[oi , .- � ' . `- ' "`
�` � _ .__ _ _ , ' _ 4
j RECErv�BY: C� � Date: 4•2 r•a°�. _ OK'd by;� �'�-�- �- FII,i No:�`�� C�3:
1�. _' " � �1`WV11��011l• ` r. r..k�9 �r €•e f4 . _ - 1 y„.�,%.' __ _
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- 1`It�lvli:. �i��J� ����{YY � ' . - rll�l`�i'i� � . .-:j r�� }`'t .s-tiJ}i;i{� �. _ . . -.
��nDxFSS:�10 2s'''�p f l�� rL����� � Ci ,. _ �:j State Zi n
� tY P
? , �.� � : �
� �Location of problem, if different . , � _ , -� - .
� . - . . -.
� � _ , . .
� Reported Problem: c�.L F�s'r ❑ (Wauld L�ce To Be Present)
� _ � _ . _
' �eas� �� �-�-�c� �c�
� � .
#
- 1
Plat name: Lot No: Block No:
Other agencies involved: No field investigation required
initials
1�4 S . T R �arcel No. Kroll Th.Bros: New
Old
Basin Council District Charge No.
RESPONSE: Citizen notified on by: phone letter in person
DISPOSITION: Turned to on / / by OR: No fiuther action recommended because:
Lead agency has been notified:
' Problem has been corr�. � No problem has been identified Prior investigation addresses problem:
� ) ���
_,: Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring pazcel.
Location is outside WLRD Service Area. Other(Specify):
DATE CI.OSED: / / By: ���,���� �L .
�
Y t � ;
Shannon, Kathleen " ` . -..,_r
��`_�� 1
� From: Norton, Ann
Sent: Thursday,Apri! 15, 1999 3:15 PM
To: Shannon, Kathleen
Subject: ' FW: Citizens rights? Do we liave any?
���,
'-._,�*
s.��.
---Original Message-----
From: Bissonnette,Pam �
Sent: - Thursday,April 15, t 999 2:01 PM
To: Hansen,Nancy
Cc: Kipp,Greg;Wekh,Maureen;Sims,Ron;Norton,Ann;Ta�aka,Paul '� �,.a,n
Subject: FW:Citizens rights?Do we have anyt '° '
Nanc another one for ou. Wou(d ou lease have our draina e section coord w1DDES and provltl� a��M�+An,•� �n�'
Y, Y Y P Y 9
piease treat as ccf. thx all.
---Origlnal Message----
From: - Sims,Ron
Sent: Thursday,ApMI 15, 1999 7:09 AM
To: Kipp,Greg;Bissonnette,Pam
Cc: 'thedonnellys�infoconex.com'
Subject: Cltlzens rights?Do we have an�
Pam and Greg -please follow-up and report back to me, thanks. -ro�
F�om: Mike end Claudia Donnelly[SMTP'thedonnellys@infoconex.com]
�enr Wednesday,April 14, 1999 7 33 Ph1
� Sims, Ron
si' Derdowski,Brian
SubJeet: Re�Cititens rights7 Oo we have any7
>Dear Mr. Sims: I found out some information today and fell even more
>frustrated with KC, so i 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 person told me that he didn't
>remember h(s name. Well, the SWM person said it was ok with him to put
>the pipes where he did. That Renton o�cial atso 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 of State Raute 900,
are two culverts diverting water from the ditch along side 148th, under the
�oad through people's yards and into Greenes Stream and then onto May
Creek. My neighbors and I get the wafer from the first culvert— 500 feet
narth 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 flood'+ng
the nice new homes that are to be built in Stonegate, that the County might
have to fix that probfem and divert the water 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
a� otect her property. WE DONT COUNT--BUT A DEVELOPMENT IN TNE C1TY
�' �NTON RATES�HIGHER PRIORITY FOR KC SWM THAT INDIVIDUAL KC HC3MES THAT
A�tE HAVING PROBLEMSIII
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 —but a IarnA�+o•�����---�-• -�-
`°` �`�� `��`�/ KING COUNTY WATER AND LAND RF.SOURCES DIVISION C �� �
; - . , .
�,.- i : DRAINAGE INVESTTGATTON,REPQ�T � . ,
�, .
, t �� ��.: > �Page 1:'INVFSTIGATTON REQiTEST . Type; �
� OBLEM�� '(,�Lnr t.�.� : _ I
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RECEFVID BY �r� ' ' � -�` Date: �� OK'd bv' ; � FII.E No -qg—�����a
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�r "ADDRESS ����5 ����"�. � c� . Crty-�_ State: ,- Zlp p5r�: ��
...
.
.Location of problem,�if different.�k-w� ���m-l s5 Kd�14�Y�''� fhi��°� - ;
_ _ '
Reported P�►oblem. �c�,L�ntsT ❑;.(Would Like To Be Ft�esent) -
�,�.�''�gn- _ � Pc��-�'�r ��-!'�'`J (�.c.� �,►�J ,N,�- ou-no�- -�,r�u�t�u.d,t.t
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� M.o.it,-t,h-�: � _ln4h; tu.c,cc.w� .�,�,,.Q d�et.c.,,,o`� �u''`'' a�P'`n"Q?s �!-t�.�.. .Jud�- � hah ����
.�° -1rKcu�,Che.R�tc• �,a.,�nv�-� �e-r�-g�. n�-o�vch J'u,af�h�.d �.R..,c�a.,t—c� � �-�''�-
a-� eta.�c.� �v�� a�,�� �. Q,�r� ptu�� c.�,p � �� n�.c�n-
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� Cj S � O � �1� S eJ2 t'F �o rc-y�a Js j��,t ST�� ���.� ���'�-S'
Plat name: C� CI � ' O��'C� -}"r't-�s �"`'�'rn'I,ot No ti B1ock No:
Other agencies involved: No field investigation required
initials
—� a' Z�' � �ll"i�40C�ZU�— - _
1/a S T R Parcel No. Kroll�_ Th.Bros: New Co Z(v��
Old 35 pZ
Basin �^ _ Council District� Charge No.
RESPONSE: Citizen natified on G� -�-F 9 by: � phone letter in person
�-O�f� �!'F�� 77�s.� � Coer�c� .v+.�' ,G..i.o �-�'�/0l.�.��'rj av w.J rv"r1�".�"1 /���
��'�!"+ � /� �f/�''�1p 7J�� �.(�JL✓s GJzs'Ylr A�t� �I�t.. �7�i TO �v-^i'�'cc � �
�/Lb�to�
�
DISPOSITION: Turned to on / / by OR: No further action recommended because:
�. Lead agency has been notified: (�I/. �'� � C� '�
" Problem has been corrected. No problem has bcen identified. Prior investigation addresses problem:
� ' Sga Fb.g#
� 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 �/�� / 9 By:
/�i,�ifl !,��-r-:l n !
�
�x, �.:
' F � "��mtT9 a710YDo el �. �.
1 w. ��.
Investigated by Chris Treichel 10/14/99-:�' ". -� `- ' ' - ���` �'`�t��= _ �z ;`:.�
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 fmd 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 long process
and they do not leave a trench when they stop work for the day. There is this rype of work occurring all
along SR-900 down to the City of Issaquah.
SE May Valley RD
�
Runof�Swale
approx. 1 �
mile away �
�
�
Area's of � �
work.
Donnelly's
Property NTS
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��- Received from�x,��c2;� i �.� ' fJ�1 „�f��loll��',�� �=F} �.����.�ti,�g �� � ���
7 "- s M 't's��ir�.�.� u+-� �- d'W � fi �' ¢ 9s�'r �-�'�' '� �-^' -"`-x-'r�. '�-�
��� z'+t��� ���'°���`�u��f�,�r x ��5 �� 1'� �'�������r��� -s$'��� ����ay � "��' t '$ .s ' �'VC� - �� � � ��'-
.�i�`.-; �.t :� � �..3 - ;- �`� '� �� a� � �3�'i���' �". �k �-._ �„< �. i z - �- r: &. 3
NAME k 53� $'� �`� " � � �f x ` �F'��r'a�'7�1 srl �.' 2'��`1�OSVIY�s s�ts��� f.:.. 5'f�. '���s�{ y�- �`�.'�'�,� � �.: �F;� .
�.4 '� y � -:.r y.�� #�� ,�,�'��y;��,$�. '� a t.x � .� d�-'R�. .l�,e�>�d` �`t � "� . Y � �� " r. �s� .
A,�. " s.��,��vf�.,s,���s•� i�';.��;. �'� �;r �x � :4 a'�a� a� ��F Y-s' �'��,* �- x ~�-s f � �>rs�� ��t ��� r
!]LDRESS � a. f � ,.�s -a �- .� ����� �Cl R �� -..� x � 's � e, ;t � �s"Zl� �� ' '
��- � .s ._" r "- r' ��♦��,�� a�ft=,.. E ''". ,>:� 7..� �i f_ '4 �K y �,£ks � ° .�a'
.. a _ �� i- � "' '�,qy .�' �./U�c=/� � -� �����z^^�� ..�t�S Y�i ; .i� � ,, _.. �:�t-��� r Y u' ''fi .
Location of problem,�if dtffer� t ,� �..5,� #.:. x _ .;-€ i�`�o/, ���yo� � ¢ .t ��:;
> r
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-� . � `�• _:, .. { f.� ��-af 3d f��s S .
Reported Problem, c�,L FgtsT � (Would Lilce To Be Present� "� "`� `` ;�� },� {� , , �- �
� �� � ; � �- , � :
� '�- � ,{ �:. :� ���' `+ _ �i z� e?,� �� � r� a � : '.t :
n
`� .'oLG E! ��{;- . �.����4,��'(J�:�,� e �.� �,•l �.y �,,. �� �, .� �-{`.� -t`r-�i .
�I l_G�O ! � � � ;h O.,W��O ���l��t�!�(,..'I�i��P���r.._.!� / �1��,�r�s���/ ���i��i�l���.�./ �
�. L= ���F.. . �(� a�. _-° x-,. . � � -� —/��..
�l P � M� � `#r%�O�
=�'X�! , �
� C[���c.� c2��' ' C����
- �C�2'LCX� L',e%t��c.e� : � G%�C ; �.2�'`'r�-•
` G2� . . _
" - _ - �.
_>� , - ��:t
Plat name: � Lot No: � BlockrNo:
_ � _ _ +�
Other agencies involved: . No field investigation required
initiats
� � � �_ /_
I/a S T R Parcel No.�}22?v-QSRD�� Kroll�� Th.Bros: New �02 7 ��P �
o�a 3 S E.3
Basin� . Council District� Charge Na !,
RESPONSE: Citizen notified on . ' -'-' —c� by: phone letter in person I��
56-�-- �-,•y m .�s��. i
DISPOSITION: Turned to on / / by OR: No further action recommended because:
� Lead agency has been notified:_ lf�- �_ � 0 % -
" Problem has been corrected. No problem has been identified. Prior investigation addresses problem:
� SEs�I.E#
Private problem-NDAP wiIl not consider because:
Water originates onsite and/or on neighboring parcel.
Locatian is outside WLRD Servi Other(Specify):
DATE CLOSED: I� /��/ 9 / By:
/����T�S�`/�c'? l
'� .- ' ,.'"�_"`�`� z: - F ,� � ^�.�
I ��� ' � r �. -._
�_
, ..:�;�._t:..
. -5�.,"^�g',
Complaint 99-0725 Anpnymous � :'� �
[nvestigated by Chris Treiche! 10/19/99 � �
, -n�•= r�.::x:-
Visited the site on 10-19-99. This is in the southeast roadside ditch at the intersection of 148'�Ave SE �n��i '� ' �
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 tha�+'ork. The
ditch receives run off from the east,south via a swale and south via a roadside ditch along II�c���stside of
148�'Ave SE. The water flow's northerly under SR-900 via a I4"cement culvert and cun�in���ti 11Onherly
to May Creek,which is approximately one mile away. There did not appear to be any sccli�►►�i►1 in the
water. The ditch does have reed type grass and straw down to"clean"the water prior lu I1��wii�K in�o the
pipe.
Swale
14813 SE � '
Renton Roadside
Issaquah RD Ditches
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�---+� - KING COUTITY WATER AND LAND RESOURCES DIVISION ���-�
� DRAINAGE INVESTIGATION REPORT
- . Page 1: INVFSTIGATTON REQUEST Type C�
� �R OBI.EM:
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RECErv�BY: NW Date: r�4 OK'd bv: Fri.ENo. �--��21r
Received&om: � '
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Avntt�ss: 1�04 t 5 14-1 �'` P�V'�. g� City State zip��� I
Location of problem, if different: .
Reported Problem: cAI.L FIRST ❑ (Would L�7ce To Be Present) ''
�rv�in �n�,ri5�`� � �o`l�O t48� 1�S� i,o e I�wi tm I
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Plat name: Lot No: Block No:
Other agencies involved: No field investigation required
` initials
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1/a S T R Parcel No.I77(!�Of�20 Kroll ��. Th.Bros: New
Old �-C;�
Basin�_ Council District � Charge No.
RESPONSE: Citizen notified on �"� 'a 0 by: phone letter in person � C—.�
��i�R�� 1�17�=5 �����-_ � i� �� i ��<<../.
DISPOSITION: Turned to on / / by OR: No further action recommended because:
� Lead agency has been notified: ��//� Cx.i��� ���
" Problem has been corrected. No problem has been identified. Prior investigadon addr�,sses problem:
sEg�# o
Private prob(em-NDAP will not consider because: ��
Water originates onsite and/or on neighboring parcel. � N
Location is outside WLRD Serv�c eas Other(Specify): � �
� �
DATE CLOSED: L� / � l �i�/ By: � /, L. ;
s���?���'/`'"/.?-�
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From: Crawford, Curt � �
Sent: Tuesday, February 01,2Q00 1:29 PM
To: Gettle, Larry I
Subject: FW: Surface water problems
Please plan to join me in a meeting with Nancy at 3:45 today to brief her on the Donnelly
problem. I
Thanks, Curt
-----Originat Message----
F�m Ha�isen,fitar��
° ,. ', � ,.
Sent: Tuesday, February 01, 2000 9 2:55 PM
To: Crawford, Curt
Subject: RE: Surface water problems
we need to discuss as I'll be put on the hot seat w/Irons on Friday about it. Seems tike we're
taking lots of heat for DDES._.
� —Original Message--
From: Crawford,Curt
Serrt: Tuesday,February 01,2000 12:36 PM
To: Hansen,Nancy
Subject: RE:Surface water problems
No, unless you want an update on that. 1 was planning to ask you more specifics about your
discussion with Seattle on the manual. Curt
� � -----0riginal 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: Sissonnette, 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. I 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.
-----Original Message-----
From: Tanaka, Paul
Sent: Tuesday, February 01, 2000 9:49 AM
To: Bissonnette, Pam; Hansen, Nancy
Subject: FW: Surtace water problems
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� Pam and Nancy: fyi. Paul
— -----Originai Message----
From: Mike and Ciaudia Donnelly (mailto:thedonnellys(o�oo.netl
Sent:Tuesday, February 01, 2000 7:36 AM
To: Gettle, Larry
Cc: Irons, David; Tanaka, Paui; Arima, Debbie; Wilson, John-Arthur;
Crawford, Curt; White, Fred
Subject: Re: Surface water problems
2-1
Dear Mr. Gettle:
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.
�will be checking the stream as soon as it is daylight and will let you know
what!see.
As I mentioned to Mr. Irons in my response to him, this isn't the only
incident that KC seemed to look the�ther 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 . I stitl
think there is just dirt back there. Anyway, I called DDES and filed a
complaint. 1 was told that because the stream was dry that ODES didn't care
about atl 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 daylighE, I will check the water
quality to see what I can see.
Claudia Donnelly
� Gettle, Larry wrote:
> Good Morning Claudia:
>
> Please excuse my delay in responding to your phone call and e-mail from
>Thursday.
>
> My records indicate you catled in your concerns 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: ClearinglErosion Complaint Claudia Donnelly EOOQ0060
Good Morning Beth:
We received a call yesterday from Claudia Donnelly. She reports that the property owner at
10730 148"'Ave. SE is clearing his property up to 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 (1/13100).
fs this the same problem? Was it closed because no problem identified?
Do t have to contact Claudia?
Thanks
� -
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�--- KING COUNTY WATER AND LAND RESOURCES DIVISION _ - -
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DRAINAGE INVESTIGATION REPORT�. _,- ���-
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Basin r�� Council District �O Charge No. I'
RESPONSE: Citizen notified on by: phone letter in person
�mr� �� � � �-�� se� � Z�Zv �o �
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 probtem:
-- SEE FILE i#
Private problem-NDAP witl not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Service Area. Other(Specify):
DATE CLOSED: �J la� /O T By: �S<<;��� ��
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Dear Mrs.Donnelly:
,_.�
� j King County Executive 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 regazding 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
invesrigation and what we plan to do next.
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 Department of Natural Resources(DNR)reviewed the analysis performed by
AmTech on your water samples of January 4 and 5,200I. Based on the inforn�ation provided to you by
� AmTech,we recognize that oil is entering Greenes stream which is a concern. As only one sample was
analyzed for oil,it is difficult to determine 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
ali drainages. However,we are still concemed that oil and grease is being introduced to the stream system,
which discharges to May Creek
The regulation that currently exists to contr�l the release of contaminants from residenrial properties is the
King County Water Quality Code. If pollutant discharges are observed on residential properties,the water
quality code dces allow for recommendarions and technical assistance to property owners to reduce and
eliminate pollution generating activities,such as vehicle repair and increased erosion control. Our fust
response to these problems is technical assistance and education. However,violarions of the water quality
code can be issued to residential property owners if best management practices are not implemented 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 vne specific site,through addiiional investigarion 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 inciude all areas where stormwater enters Greenes sh-eam through pipes or ditches. These
additional investigations and sampling procedures require the approval&om private property owners for
access to theu properties. By gaining access to private properties we can assess activities that may be
contributing to water quality degradation 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.
I If you have any further questions please feeI free to contact Susan Clarke,Engineer in the Water and Land
Resources Division of the Department of Natural Resources,at(20b)296-8311.
}
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D[SPOS�TtoN: 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 consider because:
Water originates onsite and/or on neighboring parcel. I
Location is outside WC,RD Service rea_ Other(Specify):
DATE CLOSED: D(p //dZ /OJ By;c�. I
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� �� From: Hansen, Nancy 'Z�O t - � ( g(�
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,Aprii 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
Thnnk you for your email transmittals of the past week to various King County Staffinembers
concerning 6reenes Stream nnd Moy Creek. I nlso appreciated i�aving the chance to tnfk with you on
the telephone. King County Executive Ron Sims hns nsked me to respond to you on his behalf as well.
I hope this single email will cover al) of your concerns! I understand your frustration regnrding
the marry issues you have raised and the various depnrtments thut are involved.
I hope your conversation with Sue Clnrke of my stnff hns clarified some of the issues that are
within the responsibilites of the Water and Land Resources Division (WLR�)and the Department of I
Natural Resources (�NR).
In regards to your question about how King County will protect your property from flooding and
� erosion/sedimentation problems; King County regulations,specificnlly the King County Surface
Wnter Design Manual addresses the potential downstream impacts from new developments and
construction. The requirements in the Manual use the best nvailable science and technology to nvoid
or minimize adverse impacts to downstream properties. As pointed out in your email trnnsmittal of
April 6th,the current Design Manunl requires wetpond designs to meet the goal of 80 percent Total
Suspended Solids(T55)removal through the construction of water quality facilities. Sometimes,
even higher removals are realized. Additionally, the May Creek Action Plan recommends Level 2
stream protection standards to over detain flows to reduce flow nnd sediments to May Creek. The
upstream development (Stoneridge) currently under review by the Department of Development nnd
Environmental Services (DDES) is using Level 3 protection in the detention and wnter quality facility
design. This protection standard is a more restrictive standard than currently required by the
Design Manuul or recommended in the May Creek Basin Plan.
Other regulatioru include the King County water qunlity code, which uses technical nssistance as its
first appronch to wnter qunlity problems on existing developed properties. The sediment/oil you
hnve seen in Greenes Stream comes from mcmy non point sources such as individual residential
driveways and gravel roads,which King County can't legalty enforce because the Water Quality code
exempts these types of normal residentiaf nctivities in regards to these pollutnnts. However, if a
determination is made thnt pollutant discharges are due to intentional dumping or illicit connections,
violations can be issued. You might want to work with the May Valley Environmental Council (MVEC)
as well as the Basin Steward to provide outreach to neighbors in encouruging individual property
owners to voluntarily reduce runoff from their sites. KCWLRD hns printed informntion that can be
made availnble to MVEC to use in an outreach campaign. Additionally some stnff time could be made
availnble to provide informational workshops or mailings to residents within the bnsin.
i
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, _ , o r concerns that 6reenes Strenm does'not seem`to 6e gett�ng the same level of
nttention as other urban strenms in King County. Other streams that you have referred to ,
� � currentiy have adopted Basin Plans. Through the planning process, projects nre identified und
_ , prioritized for potential construction when funds become available. Once the M�Creek Plan is
adopted, this process can be applied to May Creek
As the May Creek Plan recognizes, the creek does hQve vinble hnbitat in its lower reaches and King
County and other jurisdictions agree that this habitat needs to be protected. However,agreements
with these other jurisdictions such as the cities of Newcastle and Renton along with privnte
property owners must occur before projects, (ike those in the DesMoines Creek watershed can be
pursued. This cooperative effort in the DesMoines Creek watershed is an excellent exnmpfe of whot
can be accomplished when privnte and public interests work together. Through the May Creek Bnsin
pinn we hope that the sume type of cooperative agreements can be renched.
Your comment regarding King County staff calling citizens nnmes is of a great concern to me. King
County WLRD staff are expected to treat all citizens with respect and concern even "off the clock"
I am not nware of any staff making derogatory remarks or nnme cnlling of citizens. I# you have
knowledge of such incidents,I encourage you to speak with me so that I can address any specific
problems. Please do not hesifiate to contact me nt (206)296-6585.
I believe your corr�ments 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 I
she shared with you,she recognizes that there is a hydraulic connection between Greenes Stream I
and Muy Creek, however,no distinct channelized connection of surface water is evident. 6reenes I
Stream enters wetland #5,which is noted in the May Creek Current ond Future Conditions Report
�• . ' ns among the Inrgest known freshwater wetland in King County. Water from Greenes strenm flows in
a braided fashion through this wetlnnd,which allows for natural water quality treattnent prior to
discharge to May Creek During Sue's site visit of Apri) 5th this wetland area was found to have a
large amount of animal droppings (horse manure) Sue will research the ownership of this property,
work with the owner on removal of the pollutants and refer the problem to the Livestock Program
Annlyst Laurie Clinton.
The May Creek Conditions report ncknowledges thnt 6reenes Stream is a flashier creek and
responds to precipitation much more quickly thnn other drainages within the Bnsin which is why you
nre probably seeing flow increnses occurring on your property quite quickly nfter a rainstorm.
However, the impacts to May Creek are not ns significant regarding peak flow as other basin wide
streams due to the attenuation within Wetland #5. Overoll the May Creek Basin Plnn contains
recommendations to correct or reduce flooding und water quality problems in the basin and to hetp
prevent problems from worsening in the future.
Thank you agnin for writing and expressing your concerns. We look forward to working with you in
the protection of wnter quality and hc►bitat values in May Valley. If I can be of further assistance
nt this point, please do not hesitate to contact me again.
Sincerely,
Nnncy Hansen
Mnnnger
Water and Land Resources �ivision
King County Depnrtment of Natural Resources
2
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RESPONSE: Citizen notified on by: phone letter in person
DtsPoslTtoN: 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: � / �Z/ O( By: _�1(IJ�J L C�Ci�C f�'y �
_�_ ,- - - - �..:�:,.
. R 1 -
� --.s' King County�xecuzi•,-e
_ ROiV SI�1�IS ��'+.�����CJ
lune 7, 2001 JUN 1 1 20Q1
huvU.,.,���� ,
.'VATER&IAND RESOURCES D��
Claudia Doru�elly NArvr��e�����, ,.
]0415 — 147`h Avenue SE ���4���
Renton, WA 98059
Dear Ms. Donnelly: �
I am writing in response to your letter of May 4, 2001 to United States Senator Patty
�I 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 I
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 states, in genera(, 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 Requirement #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.
RI\(; (:c)t1�ITY COl�R"I�HOUSI�: �16 'I`IIIRI) ;\�'I?iVUI:. R(X)P-1 400 51:�"I"1'Lf:, 1V�� 98104-32i1
(20(rl 29(i-�I(144 29(�-1119•4 I=,\X 2')(�-U201) "I�I)[> 1;-m.�il: r�>n.tiims�ncirokc.�+ov
• � ,l•rq C�r.��v�s;�n Equfll Opporivndy,AAum.�t�ve Acbu�i Employer and con�!,es wrih the Rmencans�v�fh D�sabdrLeS Ac! �`
7"n� -D31
age �___ . --_-_� - �,..,.,.......:,�.._4:,s.�.._ _
. ,�,_ ._.
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-- Your le.tter 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, but 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 technoIogical 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 recentIy 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 imporiant?
King County does noi typically undertake a thorough ranking of the relative �
importance of all tributaries within a basin planning effort. However, areas of
particularIy 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.
;' .. ._ _�.------ :. .
Page 5
�'c.,� .
I also understand that you have been �n contact with the King County Ombudsman with
your concerns. 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 concems. If 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
E
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
�
;
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KING COUNTY..WATER AND LAND RESOURCES DIVISION
�'�"'�"�RAINAG�-INVES'I�'I`�ON REPORT ,�; , rr� ��
. . . . . . t:v.J ,� :*t 34 a`K{. '�` 3K -"�+ `-:-R Y �� � .
� � fNVESTIGATION REQUEST - �� `� `""£'� 3 "=`-�f TYPe �_ .
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ROBLEM: �'LG2Gi�(�v(� ` �
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Date: ���27(O QK'd bv: F[t,E 1Vo.. ��0.� - a,7rp��
RECENED BY: 1SS! � �
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� Received from:� - _ ''_r� �� 1 t.-
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LOCAT(ON OF PROBLEM, IF DIFFER�NT: - -
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Plat name:C�� �j� Lot No: Block No:
Other agencies involved: No field in��estigation required '
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1/a S T R Parcel No.1 Z7(o�D�D�n Kroll� Th.Bros: New oZ�O
RDP Basin� Council District��_ Charge No.
RESPONSE: Citizen notified on by: phone letter in person
So.��r�•ti�-� �
� !� r�o�
DISPOSITtON: Turned [oU�� on / / bY� OR_ No further action recommended because:
Lead abency has been notified:
� Problem has beeii 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 CLOSEU: � l `t / ��— By: � ��Qf�C� �Q�I��C7�
/ �
_._,, ._ : __ - ..:, : . - . _ . _
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Juhnke, Leonard - __�. �r � � �, ,
. .. . . . . _ __.. . �<_
f � From: Sleight, Brian
t�_ Sent: Thursday, January 10, 2002 3:01 PM I
To: Kipp, Greg; Sims, Ron �
Cc: Whalen, Caroline; Brandon, Rod; Bissonnette, Pam; Grigsby, Daryl; Dougherty, Linda; Tiffany,
Christina; Crawford, Curt; Granlund, Jeff I�I
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. I
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 iot of fallen trees still on his property) and there was nothing indicating I
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. ,
2y 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 november or early december. i investigated the problem, ,
,identified that a violation had occurred, and opened an enforcement under k.c.c. 9.04 (so
;3des was never notified) . claudia asked for a copy of the enforcement letter before the
` letter 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 yesterday 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 froro washing over the privately maintained portion of 197th 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.
-egarding our responsiveness, i sent claudia an email (which she acknowledged and thanked
� for) the same day i received her foia letter (1/2/02) informing her that the letter did
not exist yet (i had just sent a draft to word processing) but that i wonld 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
� `� . �
�,
r
:��woman who blocked the culver£ an sfa � " � ``" "` '
jot water in her garage as a result of the culvert, went through an ndap evaluat'ion s •-
"process {including more contact and coordination with dot staff) only to have her decline
a project, coordinated 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 stiil
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.
i
hope this helps. sorry for being so wordy. . .it's hard to stop when talking about this
neighborhood.
Brian Sleight, P.E.
BSL8
206.296.8025
—Original Message—
From: Kipp,Greg
Sent: Thursday,January 10,2002 11:41 AM '
To: Sims,Ron
Cc: Whalen,Cardine;Brandon,Rod;Bissonnette,Pam;Grigsby,Daryl;Sieight,Brian;Dougherty,Linda;Tiffany,Christina
Subject: RE:RCW 42.17 and FOIA vidations
Ron —1 think SWM is the appropriate Depa�tment/Division to respond to the most recent(1/9102)e-mail from Ms Donnelly.
This e-rnail speaks to a plugged culvert that was investigated by SWM_ While she mentions that SWM advised he�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 informa6on about which developments in the area
1 required a level 3 detention pond. We provided her w/that information (see red highlighted response from Ms Donnelly,
below) In her 119/02 e-mail, she stated her recent request for information was not made to DDES, however it is not clear
io which department she made the request.
I am cc'ing folks in SWM to see if tfiey are aware of any recent request for infarmation from Ms Do�nelly. 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. I
DDES and DNR have been extremely responsive to Ms Donnelly over the years...she simply does not like the answers we I
are providing her and I doubt she ever will. That being said,we still need to respond to any and all FOtA requests_
gk I
-----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
----Original Message----
From: Mike and Claudia Donnelly[mailto:thedonnellys@oo.netJ
. ; � Sent:Wednesday,January 09, 2002 10:32 AM
> To: ron.sims@metrokc.gov
Cc: david.irons@metrakc.gov
Subject: RCW 42.17 and FOIA violations
Dear County Executive Sims:
z
P
.
— --._ 4
'€
I have told you over and over again that IC oesn n ' o' '" -'"
�� ' 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 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 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, 1 talked to the neighbor who got the water in her garage and asked
if she had gotten a copy of the letter#hat 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 t 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
{� �Washington State agency--they responded promptly_
� 1 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'f responded at all. The letters should have
gotten to the people on December 31. If 1 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 af 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 culvert problem? But
then another neighbor put a littfe 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.
�# .�dia 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
�
F��
� '
t
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
wherever they are kept. For this part of my research, I just needed
the development name and file number. For the next part, 1 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 wor{c with.
THANK YOU AGAIN.
Claudia Donnelly
I ��
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NAME: DONNELLY COMPLAINT NIIMBSR: 2001-0765
ADDRSSS: 10415 147� AVBNIIE SODTHEAST
PROJBCT DBSCRIPTION: ADD AN ASPHAI,T APRON TO A DRIVEWAY AND DIG A SHORT
ROADSIDB DITCH TO CONVBY WATBR TFiB BJCISTING ROADSIDB DITCH.
OFFSRSD TO ROAD3 ON 12/20/O1 VIA JEFF GRI�NI,UND .
ACCSPTANCE FROM ROADS ON: � 20 O FISLD MEBTING DATB: 12/20/Ol
MS$TING ATTSND$BS: BRIAN SL$IGHT, LSNNY JIIIiNKB, JSFF GRANLIIND
SNVIRONMSNTAL APPROVAL BY �/—' ON
s BSTIMATED COST: �5�� BSTIMATSD COMPLSTION DATS:
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a�..r,.� KING COUNTY WATER AND L�1D R,�„�'ESOURCES DIVISION
, � . .a�.r;,,o �tS:Rt �- . -, , -�= r �'�.�.- p.. � :
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:: DRAINAG�I�IVES ' 5��
���'T�O,.N R�E 0 '���-e:
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- INVESTIGATION REQUEST i�� -
�� '�.PROBLEM: BLOG�C/J C'ULU�27- I
RECENED BY: ��� Date��/ /4��S-1 OK'd bv' FILE NO. 2��1 �S( y�
_ Received from: : _. _ _ _ . ,_ _ � I
(DaY) L�� (Eve): �-_Z
NA�: _ /Ll�x i�v� �l//-� �L PHorrE 235�- 7.T�6 I
AD�REss: !d2 !7 /��T� �� SE City ,��yTc�-c� State�� Zip `�8'�S'J ''�
I.00ATION OF PROBLEM, IF DIFFERENT:
Access Permission Granted � Call FlTst (Would Like To Be Present) �
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Plat name: v W'"� • w"`'�`' ' Lot No: Block No:
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Other agencies involved: No field investigation required
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1/a S T R Pazcel No..5o23��l�(� Kroll �� Th.Bros: New �J
RDP Basin 1�- Council District�_ Charge No.
RESPONSE: Citizen notified on by: phone letter in person
M�� ►v�G� � u,�r���� C�GLVlcR,T o� �.� � 3/ woz . P��.
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DISPOSITION: Turned to on / / by OR: No further action recommended because:
Lead agency has been notified:
_ Probiem has been conected. No problem has been identified. Prior investigation addresses problem:
SEE FILE#
Private problem -NDAP wil) not con"sider because:
Water originates onsite and/or on neighboring parcel.
� Other(Specify):
DATE CLOSED: / l�/ OZ By �6j�,gL�� ���C?-�j
1
_.. .�, ��:,
.� - . _ . - - ' �_ "' z ��y � - t _,�- _
�T'A� King County • ��
� Water and Land Resources Division �
� �
Department ofNatural Rcsources
201 South Jackson Strect,Suitc 600
Scattic,WA 98104-385.5
(206)296-6519
January9�,�2�a���
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. I
i 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
pubiic 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
seIl your property, this potenrial enforcement related to your property rnust 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 Ietter to discuss resolution of this matter.
Sincerely,
��� � �
�m� �o�s�
� �
Curt W. Crawford, .E., Supe ising ngineer �1tZ� ZZ�- 76,�
Stormwater Services Section �-3 ._�3-?�s��
wK poui��j �!C.
CC:BS_J43 F"�ooO����o �"'�C
Enclosures
cc: Brian Sleight, P.E., Senior Engineer, SWS Section
Leonard Juhnke, SWS.Section Engineer
Jeff Granlund, Supervisor Roads Maintenance Division 2
g�
_
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- ,�,-
KIng County ��
�-� ,. Water and Land Resources DivLslon R'
.��
Dcpar�mcn�ofNatural Rcsources �
"LOI SoW h Jackson Strcet,Suitc 600
Scaltic,WA 98104-3855
(206)296-6519
(206)296-0192 FA7C
February 20, 2002
Maxine Nagel
10217 - 147�' Avenue Southeast
Renton, WA 98055
RE: Drainage Complaint �12001-0842 - Drainage C�lvert Obstruction
Dear Ms. Nagel:
Thank you for your response to my previous letter to you dated January 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:inaii
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 NaturaI Resources and Parks
Len Juhnke, Engineer, Stormwater Services Section
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Other a encies involved: No field investi ation uired
--�n��`: - _- _ � :������ - = =- - - --
� � `_
1/a S T R Parcel No.�771n��Q�� Kroll�(� Th.Bros: New
RDP Basin �� Council District�� Charge No.
RESPONSE: Citizen notified on by: phone tetter in person
LEI i�.L� S�yT !�llB�OZ� 30C��r�r ��vG�vor".� �vcil� �-ETic�.��
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: I l /�/O 2 By: �
� .. fk - _ � _ � �:���.
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- Sleight, Brian
l�' ._,�
� � 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 shou�dn'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
i
�
' 10415 - 147th Avenue SE
� Renton, WA 98059
December 28, 2001
;
� Brian Sleight
KC WLRD
201 S. Jackson
Seattle, WA 98104
Dear Mr. Sleight:
! just talked 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,
���� �n
�
Claudia Donnelly
�� •
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,' � SEE T+II.E#
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Sleight, Brian
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!�. � From: Grigsby, Daryl
Sent: Thursday, February 14, 2002 11:21 AM
To: 'thedonnellys@OO.neY
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 Executive Ron Sims,expressing concem about King County's compliance
with the Freedom of Informarion Act(FOIA)and its response to the Public Discloswe Law(RCW 42.17)request you made to several
King County departments. Executive Sims has asked me to respond to your concerns.
Your email also expresses concerns 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 Department 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 lazge file and it
was not clear what specific documents you were requesting. DOT staf�'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 County,however,has a high burden of proof when it comes to taking enforcement acrion against a code violator_ As
unfortunate as it may seem,there are times when it appears a code violarion has occurred but King County cannot take acrion because
we cannot prove that a code violation occurred or do not laiow who performed the act.
In the case of Mr. Wolf,both the Departrtient of Development and Environmental Services(DDES)and DNRP staff have investigated
the complaint and found no evidence that a code violation 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 trees on Mr.
Wolfs properiy,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 initiated against the property owner for installing a culvert in a sensitive area
without a permit. 'The property owner has applied for a grading permit for the culvert installation to resolve the enforcement. There
are other code compliance issues on this property but they cannot be addressed until 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 possble civil penalties is initiated. If Ms.Nagei does not resolve the violation within 30 days,she
will be sent a Citation in accordance with King County Code 23.20.
1�4y staff who 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,ihere does not seem
�be any inequity in the application of King County's enforcement authority_
While 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 staf�'did comply with the requirements of RCW 42.17. Similarly,in the case of the enforcements you mentioned,County
1
staff is taking action as au orize y uig duri c e on e i
issue they have looked at and determined that action cannot be taken(Wol�. I admire the amount of effort and energy you put`into =
� your communiry but I ask you to accept the determinarions made by County staff and limit future contacts to new issues.
t
Thank you again for the opportunity to address your concerns. I hope we can move forward to new issues and opportuniries.
Sincerely,
Daryl Grigsby,Manager
Water and Land Resources Division
Department of Natural Resources and Parks
�
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From: Bissonnette, Pam I
Sent: Thursday, January 10, 2002 3:45 PM I
To: Shannon, Kathleen �
Cc: Norton, Ann; Grigsby, Daryl
, ---:` Subject: FW: RCW 42.17 and FOIA violations
� E
E ,
Kathleen, looks Iike we are getting this ccf. Could you please start it in motion? thx
-----0riginal Message-----
From: Brandon, Rod
Sent: Thursday,January 10,2002 3:30 PM
To: IGPP.�e9
Cc: Whalen,Caroline; Bissonnette,Pam;Grigsby,Daryl; 5leight,Brian; Dougher[y,Linda;Tiffany,Christina
Subject: RE: RCIN 42.17 and FOIA vidations
ks Greg, Pam let me know when you have a response. rod
-----0riginal Message-----
From: Kipp,Greg
Senr 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: RC1N 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 f�om 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, p(ease
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 are providing her and I doubt she ever will. That being said,we still need to resporid 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,Ja�uary 09, 2002 10:32 AM
To: ron.sims@metrokc.gov
1
/ _ _ _ __
Dear County Executive Sims:
I have told you over and over again that KC doesn'f 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 cuivert draining water from 148th
Avenue SE through her property to Greenes Stream. She plugged the
culvert up because she didn't�,nrant the water flowing through her
property. In November, this plugged culvert sent water down a small, I
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 c�one--once Roads gets the permits its has
applied for.
SWM investigated and found out that this neighbor(plugging the culvert)
is viofating County Code. They were going to send a letter to this
pe�son advising them of this violation. I
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. I�
On December 28, I typed several letters to KC Departments (not DDES (emphasis added by kipp) --even though t
don't like DDES and they don't answer my questions)
requesting documents under the Public Disclosure Law(RCW 42.17)and I
FOIA. I mailed these letters on December 29. I also sent a letter to
a Washington State agency—they responded promptly. I
,t I heard f�om 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 Wo�d 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 othe�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 gef 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 Counry 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 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.
Claudia DonneAy
2
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�� KING COUNTY WATER�A�.�,AND RESOURCES DIVISION ��
DRAINAGE INVESTIGATION REPORT
WVEST[GATION REQUEST Tyj�e X
�\ ��ROBLEM: ,
RECEIVED BY: BS'�S Date: �6103 OK'd bv: FILE NO. 2��3 -Vo�O I
Received from: ��L � I
� (DaY) L-� (E�e) i-.�
rrAME: c c,,g�v�- ,�o,v,�r�t�r PHor�
ADDRESS:__��5 ��Z7� ��� City State Zip
LOCAT[ON OF PROBLEM,IF DIFFERENT:
Access Permission Granted ❑ Call First�fvVould L�7ce To Be Present) ❑
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,_��r1��C, f�J�lL�� Tff�QO.v�vEG�Y.S �00.,�rT .
Plat name: Lot No: Block No:
Other encies involved: � No field investi ation re uired
_._-; ��8���,������o�r� _���� � ; '
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' 1/a S T R Parcel No.��7(D��o� Kroll��� 'Th.Bros: Ne J�
RDP Basin�"�-�- Council District_f� City Charge No.
RESPONSE: Citizen notified on by: phone letter in person
�/����L. �C�S���/fE SC/L7 3 j���o3r W
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: 3 /ZI / O3 By: �
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� Sleight, Brian
',. ;7
From: Michael/Claudia Donnely[thedonnellys@oo.net]
Sent: Thursday, March 20,2003 6:22 AM I
To: Grigsby, Daryl
Cc: Sims, Ron; Cawaling, Cindy; Bissonnette, Pam; Sleight, Brian; Shannon, Kathieen; Maier, Mary;
Ninneman, Scott; Moeller, Lani I
Subject: Re: May Creek Basin Area
Mr. Grigsby:
Whatever. I have 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 Donnelly
,-� 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
May 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 reyuesting that they contact him.
Your neighbor called Mr. Sleight that day and was advised of his responsibility to minimize sediment
iransport from his property. Your neighbor said his intention was to stabilize the area this past weekend
3/21/2003
i
_ 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.
It is important to note that installation of erosion control best management praciices (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 reduce 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
�
�,�
I
; 3/21/2003
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TASK 5
MITIGATION OF EXISTING ;
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�-��� AND POTENTIAL PROBLEMS
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� TASK 5 MITIGATION OF EXISTING AND POTENTIAL PROBLEMS li
j 1fie area downstream of the proposed project known as Stoneridge possibly dces exhibit potential I�
problems based on the drainage complaints. Since the City of Renton has indicated that I.evel 3 F1ow '
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 12.2.1 of the 1998 King County Surface Water Design Manual. A �
Level 2 or a Level 3 off-site analysis shoald not be required for this project site. In addition, the project
site is not flat no: is ihe 3ownstream drainage course flat and the site dces not contribute more than
15 percent of the total peak flow drainage downstream from the site.
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11189.003.doc[JPJ/dm]
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4.0 FLOW CONTROL AND WATER QUALITY
FACILITY ANALYSIS AND DESIGN j
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{y 4.0 FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN
E, !7
A. Existing Site Hydrology
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 azound 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�eveloped 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.?5 Arr���
Total On-site = 0.67 + 9.51 + 3.?5 - 13.43 Acres
� � Additional Tract to Nortliw�est:
Till forest = 2.34 Acres
Imarovements to 148th Avenue S.E.:
Till grass = 0.17 Acres
Imarovements to SR-900/148th Avenue S.E.:
Till grass = 0.25 Acres '
� Total existing area = 16.19 Acres
of which there is: till forest = i 1.85 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
, a. j 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
�
11189_OOl.doc[1Pl/dm/tep]
I
� • following table for the assumptions and parameters used in deternuning 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
Till grass = 5.49 Acres
Additionat Tract to Northwest:
Impervious = 1.27 Acres
Ti[I grass = 1.07 Acres
Imarovements to 148th Avenue S.E.:
� Impervious = 0.17 Acres
Imnrovements 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 Bazbaza Urban Hydrograph
methodology of computing peak flow rates contributing to each catch basin since the
project site is over 10 acres in size.
� }
I
I 1189.00l.dce[JP]/dm/tep]
i
D. Flow Control System
', ,
;
Please see the following pages for the calcutations utilized in sizing the flow control
system for this project as well as a copy of the control structure and plan view of the
weddetention pond illustraring the actual sizing of the pond.
E. Water Quality System
Please see the calculations on the following pages of this report for the methodology used
to size the basic water quality wet pond and the illustrative sketch of the weddetention
pond indicating proposed and provided volumes for both water quality and detention.
i
,
i �
J
I
11189.00l.doc[JPJ/dm/tep)
I
SGo n�� �,p� �� I! I�� ��✓�l �
L �✓e( � �►Ok9' �.ond--�f � � � ��
� l� KCRTS Command � ��1 ���
l
CREATE a new Time Series �` ��'JQ�
------------------------
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\LATG60R.rnf .
Ti11 Grass 3 .67 acres
Loading Time Series File:C:\KC_SWDM\KC_DATA\LAE160R.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 I
------------------------------- '
- ;J 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 _
Ar:alysis 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 .
j Impervious 9.63 acres
i , � -------------
Total Area : 16.19 acres
Peak Discharge: 6.68 CFS at 7 :00 on Jan 9 in Year 8
Storing Time Series Fi�c�: lil�°dev. t :�_` .
Time Series Computed
KCRTS Command
Enter the Analysis TOOLS P�Iodule
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 DURATION and Exceedence
--------------------------------
� �� Loading Time Series File: 11189pre. tsf .
Computing Flow 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:111891evel3 .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:111891evel3.rdf .
Starting Documentation File:C:\kc_swdm\kc_data\example\kcrts\111891evel3 .doc
Time Series Found in Memory:11189dev_tsf .
Edit Complete
Retention/Detention Facility Design
� -----------------------------------
Route Time Series through Facility
��`� Elow Frequency Analysis
� � Time Series File:11189pre.tsf
- Project Location: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 1/05/05 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 0.612 7 1.30 0.231
2_61 1 1/09/08 7:00 0.420 8 1.10 0.091
Corr:puted Pea}cs 2 .25 50. 00 0 . 980
�" '� Flow Frequency Analysis
� Time Series File:11189dev_tsf
, Project Location:Landsburg
---Annual Peak Flow Rates--- -----Flow Frequency Analysis
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS) Period
3 .68 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 0.0°1
Computed Peaks 5 .94 50 .00 0 . 980
�_._�
� Flow Frequency Analysis
Time 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/Ol 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 1/05/05 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 ,
��-. � '
i .
�--J.
� /
�
� � Retention/Detention Facility
r
Type of Facility: Detention Pond
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: 10.00 ft
Stage 0 Elevation: 389.00 ft
Storage Volume: 220323_ cu. f�
5.058 ac-rt
Riser Head: 10.00 ft
Riser Diameter: 18.00 inches
Number of orifices: 3
Full Heaa 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 0.045 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 0.064 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 1555i .
1 .58 390.58 23143. 0.531 0.204 0.00 15874 .
1_77 390.77 26188. 0.601 0.217 0.40 16177 .
1_97 390.97 29455. 0. 676 0.229 0.00 16499 .
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 0_270 0.00 17783 .
2.95 391.95 46413. 1.065 0.280 0_00 18119 .
3.15 392.15 50071. 1. 149 0.289 0.00 18459 .
� i 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 0.331 0.00 20162 .
i 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 0.40 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 0.00 22566 .
5.49 394 .49 98080. 2 .252 0.480 0.00 2264� .
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 .
5.98 394.98 109400. 2.511 0_656 0.00 23566 .
6.18 395 .18 114152. 2.621 0.696 0.00 23949 .
6.37 395.37 118737. 2 .726 0.732 0_00 24315 .
6.57 395.57 123639. 2.838 0.766 0_00 24704 .
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 .
�, �j 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_O80 0.00 28537 .
8.53 397 .53 175893. 4.038 1_150 0.00 28663 .
8.60 397 .60 177904. 4.084 1_240 0.00 28809 .
8.67 397.67 179926. 4.131 1.360 0.00 28956 .
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 3161G .
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 . I
� � 10.90 399.90 249854. S_736 11.110 0.00 33819 . I
, 11.00 400.00 253247. 5 .814 11 .590 0.00 34045 . I
11.10 400.10 256663 . 5 .892 12 . 050 0. 00 34273 . !
��`�, 11.20 400.20 260101. 5_971 12_490 0.00 34501.
E 11_30 400.30 263563. 6.051 12 .910 0.00 34729.
�� � 11.40 400.40 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 14.460 0_00 35651.
11_80 400.80 281215. 6.456 14. 820 0.00 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 6. 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 3 .54 ******* 0.75 6.48 395 .48 121525. 2_790 I
5 3 .72 ******* 0.73 6.34 395.34 118004. 2 .709
6 3 .67 ******* 0.39 5.35 394.35 94971 . 2 .180 II
7 4.29 ******* a.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 I�
Outflow Time Series File:11189rdout '
Inflow/Outflow Analysis I
Peak Inflow Discharge: 6.68 CFS at 7:00 on Jan 9 in Year 8 I
�� Peak Outflow Discharge: 2.61 CFS at 12:00 on Jan 9 in Year 8
Peak Reservoir Stage: lO.OQ 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
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/Q1 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 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/OS/05 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
Flow Duration from Time Series File: 11189rdout.tsf
Cutoff Count Frequency CDF Exceedence_Probability
CFS $ $ $
0.�22 33762 55.059 55.059 44.991 0.449E+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 .15Q 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 O.Q33 0.326E-03
3 .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 O.S15E-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 Q 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
� .
', �
� -�
I
� +� .
��:. ���..
�.� .
;
�
� Flow Duration from Time Series File:11189pre.tsf
Cutoff Count Frequency CDF Exceedence_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 92 0.150 99.578 0.422 0.422E-02
0.596 58 0.095 94.672 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 I
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 O.OQO I00.000 0.000 O.O00E+00
1.88 0 O.00Q 100.000 0.000 O.OQOE+00
1. 93 0 O.OQO 100.000 0.000 O.O00E+00
1 .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 0.000 100.400 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 0.000 100.000 0.000 O. O00E+00
1
,
l
� ; 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
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 O.a16 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_O1 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 0 .003 0.326E-04
1 .52 1 0.002 99.998 0.002 0.163E-04
� I �
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Duration Comparison Anaylsis
� Base Fi1e: 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 a.41E-02 3_3 � 0.40E-02 0.559 0 .564 1.0
0.647 � 0.25E-02 Q.26E-02 4.6 � 0.25E-a2 0.647 0.664 2•6 I
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 �.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
Maximum 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
Maximum negative excursion = 0.101 cfs (-21.2$)
� � � occurring at 0.479 cfs on the Base Data:11189pre.tsf
�4� and at 0_377 cfs on the New Data:11189rdout.tsf
�
i
�`�'-� PROPOSED PLAT OF STONERIDGE
�-� SIZE THE BASIC WET POND
V� _ [0.9 A;+0.25 Aig](0.043)
�
_ [(0.9)(9.62)+(0.25)(6.56)](0.043)(43,560)
= 19,306 CF
� vb = (3xur)=57,918 CF
,
r
4
,._�
t
)
11189.00i.doc[JPJ/dm/tep]
� i�
5.0 CONVEYANCE SYSTEM ANALYSIS
AND DESIGN �
S
- i 5.0 CONVEYANCE SYSTEM ANALYSIS AND DESIGN
�-�f As mentioned reviousl the SCS-based h dro a h method was utilized for the 25- ear rainfall
P Y� Y �' P Y
precipitation during the 24hour 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.
}
' 11189.00Ldoc[JPJ/dm/tepl
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Appended on: 16:58:53 Thursday� March 11, 2004 �� 5 1 n ��t..� i �!'(�" -��1 �
�'ti-�� 1a `
:_ �a.�f-�o� �t,�� s ��� � `�'+�� �o�'t----,�...� �f-,�-,
11189upstream east Event Summary �S�� . �
� Event �iPeak Q (cfs)�Peak T (hrs)�Hyd Vol (acft)�ea (ac)� Method ��Raintype�
�6 month � 3.2145 i 9.00 ` 3.1401 87.2400 SBUH 'TYPE 1 A
1 2 year 9.4961 � 8.67 7.2749 87.2400 ( SBUH 'TYPEIA
�---
� 10 year '; 17.0308 8.50 11.8768 �87.2400 � SBiJH iTYPE1A
25 year i 22.6093 8.50 15.2297 �87.2400 I SBLJH TYPEIA
100 year' 28.0471 � 8.50 18.4843 872400 � SBUH �TYP lAE
� Record Id: 11189upstream east
Design Method � SBUH Rainfall type TYPEIA
�Hyd Intv + 10.00 min Peaking Factor 484.00
� Abstraction Coeff 0.20
Pervious Area 87.24 ac DCIA 0.00 ac
_.
iPervious CN 85.96 �DC CN 0.00
� �Pervious TC-- - 60.09 min 'DC TC �0.00 min
� Pervious CN Calc
� Description ` SubArea j Sub cn
� Impervious surfaces (pavements, roofs, etc) 4.36 ac i 98.00
I Meadow or Pasture , 82.88 ac 55.00
�- Pervious Composited CN(AMC 2) 85.65
� Pervious TC Calc
� Type ; Description j Le g Slope ' C eo f Misc ;TT
� 2 20 41.45
Sheet �Dense grasses : 0.24 304.00 ft 2.00%I0.2400 in min
. � i
� iShort grass, pasture and lawns �- � 0.90
Shallow �n-0.030) 100.00 ft 3.00%y0.0300� ��
i
I - I �!
Channel 2700.00 � 15.30
(interm) Grassed (n=0.030) ft 3.00%+0.0300� �n
� I
�Channel� - �- , 2.45
� in' term �Concrete pipe (n=0.012) 625.00 ft 1.00%�0.0120� �n
�( ) �� � �
��----___ - ------- -----
�� Pervious TC 60.09
�� min I
{ ' ------- �
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,«.w., �H,4`� �e2�5 72ND AVENUE SOUTH °iWni-�-- "•" � .
11189 �t' t�Z Ker+r, w�oeoa� ,,..,� K83 IU,DEVELOPMENT CORPORAl10N � CONVEYANCE AREA MAP
(��s)zsi-ss2s �^...«�
M« ;� • (4zs)2e+-e�ez c�x """'"'" 12320 N.E.8T}i 3T,3UITE 11100
p ,..,,.
' """"-"' BELLEWE,WA3FNNOTON 98005
�4 CMl LNOINQIIINC,IANp�{.WNNIC, ���y
1 1 `''*a��or•'� wwcnuc.nm�ow�crrtK snMcn o.�.eu.tx „�. STONEFIDGIE
�+. r\uow�\n�e+\.�a�..�,y\aeiUne�-.c�a.e oo�./r��....o.ioi/�oo� � �a a,,,�. �.�n � �... ���ea..,i��ev..�,
_ �-,,, Appended on: 08:53:44 Friday, Apri102, 2004
� �
ROUTEHYD [] THRU [pond] USING TYPElA AND [25 year] NOTZERO
RELATIVE SCS/SBUH
; Reach i Area ; F[o�� Full Q Full nDepth � nVel fVel CBasin/'
' ID � (ac) ; (cfs) � (cfs) ratio (ft) � Size (ft/s) (fUs) Hyd
--- -- - i- - r- �� �- ___
p23 0.6600 i 0.4503 �13.0429 I 0.03 0.1274 j Di� � 7.7257 16.6068 cb23
_ _. _
----- �---- .._- - -
r --- �� 12,�
p28 ' 0.3700 �0.25I2 13.0282 0.02 ( 0.0962 �Diam 6.5063 ; 16.�881 cb28
, I
: __ _
---------,- .
� p32 ' 0.3500 '0.2382 8.8808 0.03 ' 0.1128 12 4.8844 113074 cb32
� �� Diam
�
�--- � .-----�------ _
��---; 12" �-
; p35 0_4400 0.2983 ; 4.1199 0.07 ; 0.1821 ; Diam i 3.0505 5.2456 cb35 �
i i i i
� --- --- --- - --i
p36 0.4000 0.2722 � 9.4786 �03 �I 0.1167 �12 � 5.3109 12.0686 cb36 �
i i I (Diam ; � � 1
�_- ------------ -
(� 12
i p34 1.0000 ;0.6805 � 3.7125 0.18 I 0.2896 I Diam 3.6074 4.7270 cb34
�-- -- -
- � p38 � 0.3500 �0.2382 � 2.5261 0.09 0.2075 Diam 2•0205 3.2163 cb38
s ; � ������
; �_� i �
_ r-------- �r- _
� 12��
• p44 '" 0.1600 ',0.1275 11.3307 0 O` l ji 0.0747 ( 4.7920 14.4268 cb44
; i ! �1 l �Diam ���
i p46 ; 0.1300 i 0.1036 10.6575 0.01 0.0698 Di2� 4.3024 : 13.5695 cb46
i
� _ _ _ _ _ _
rp45 0.2000 �0.1594 2.5261 0.06 01704 �D a 1.7939 3.2163 cb45
' I �
, : � __ _
- ---;----,-- 12"
' p47 � 0.3600 �0.2869 2.5261 0.11 � 0.2275 Di� 2.1346 32163
� �
--p- - --- -
� r � r 12„
37 ' 0.7700 0.56�9 ; 2.5261 � 0.22 I 0.3218 2.5919 3.2163 cb37
; ; Diam � ��
_ _____--;------.---;---r- �----���
p33 2.3300 1.6286 � 2.5261 i 0.64 ! 0.5845 ; D�am f 3.4160 � 3.� 2163 icb3' 3 �
I �
� , --------. ..--- r-r - - r-- � -�------;
i � p29 2.9900 ; 2.0789 � 7.9240 I 0.26 �03491 'Diam g•5153 10.0891 cb29 �
i
;----- ---- - r--- 12,�
� p27 �r 3.4100 `2.3642 � 2.5261 094 0.7671 D� 3.6570 3.2163 cb27
, i ��I ���
--- ---- a 15„
p24 3.6800 '2.5473 4.5801 0.56 0.6662 3.8302 3.7322 cb24
� � � ( �Diam _
:--- --
� � � p22 ; 4.6100 I3.1808 � 4.5801 0.69 0.7663 15" 4A329 3.7322 cb24
�------ - -
� ! � �� _ �,Diam � ��� �
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I i � t �
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pl4 0.7600 0.5183 5.0268 0_10 0.2173 Diam 41181 6.4003 cb14
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� pl3 ` 1.0000 0.6805 I 7.6703 0.09 i 02017 6.0140 9.7661 cb13 �
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' pl9 ; 0.4800 ,0.� 3272 8.6035 0.04 0.1333 Diam 5.2582 10.9543 cb19
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! p21 ' 0.0500 �0.0340 2.5261 0.01 0.0815 12�� 1.1238 3.2163 cb21 �
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; p20 '', 0.1300 �0.0890 2.5261 0.04 01284 Diam 1.5109 3.2163 cb20
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,, � p18 0.8800 :0.5994 2_5261 ' 0.24 I 0.3315 �Diam 2•6350 3.2163 (cb18
, , } _ __- -------------------
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pl7 1.0000 _0.6805 i 2_5261 ! 0.27 i 0.3550 i Diam 2•�249 � 3.2163 icbl7 '
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� p 15 2.0700 � 1.4110 ! 2.5261 0.56 � 0.5347 Diam 3.3018 3.2163 cb 15 �
; �
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� pl2 ' 3.3700 i 2.2956 71448 0.32 0.3901 � 8.0910 9.0970 Icb12 !
� Diam E �
` p10 ' 3.7100 �2.5258 9.5658 0.26 0.3511 ` 12 10.2674 12.1795 cb10 i
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i p9 ; 3.7400 �2.5468 11.0687 0.23 0.3267 Diam 11.4260 14.0931 cb9 i
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� p7 : 3.9600 j 2.6989 I 12.0406 0.22 0.3218 I Diam 12.3617 15.3306 cb7 �
� p4 ' 6.3800 �43480 149870 0.29 0.3687 12� 16.5400 19.0821 cb4 '
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Appended on: 08:10:29 Friday, April 02, 2004
- �
: t
Layout Report: pond
i Event �Precip (in)I
'2 year '2.2000 I I
- _----------�
'10 year 2.9700 ,
�'� vear ':3.�000
__.____.___._._--------
100 vear'4.0000
Reach Records �
Record Id: p10
�Section Shape: ;Circular �
�Uniform Flow Method: Manning's Coefficient: OA130 �
IRouting Method: ;Travel Time Translation Contributing Hyd� ;
!DnNode icb9 UpNode �cb 10
'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 Dn Invert (96.1282 ft ;
--------- – — t
__----------- - i
Conduit Constraints
,Min Vel iMax Vel 4Min Slope Max Slope Min Cover
'1.00 ft/s ;15 00 fds j0.20% 50.00% 3.00 ft
�Drop across MH 0.0000 ft ►Ex/I Ifn i Ra e ;0.0000 in/hr�
;CJp Invert `96.1282 ft �Dn Invert �100.0000 ft �
!I�-latch im�erts.
Record Id: pll
Section Shape: ;Circular ( I
Uniform Flow Method: jManning's Coefficient: 0.0130 i ',
:Routing Method: �,Travel Time Translation Contributing Hyd �
iDnNode -cb10 ,UpNode cbll
�Material :Conc-Spun Size �12" Diam ;
� ,, � i
�Ent Losses 'Groove End w/Headwall ,
_ 1
Length !31.0000 ft �Slope 0.50% '
�Up Invert �100.0000 ft Dn Invert 99.8450 ft i
_ _.
�— Conduit Constraints ,
�Min Ve1 ;Max Vel ;Min Slope�Ma p Min Cover �
1.00 ft/s I 15.00 ft/s j0.20% 50.00% 3.00 ft +
- — : _ _= ;_ - �
Drop across MH !0.0000 ft E�c/Infil Rate ��0000 in/hr�
,Up Invert �99.8450 ft Dn Invert �100.0000 ft (
rMatch inverts. �
Record Id: p12
-------- ----- �
�Section Shape: ;Circular �
�Uniform Flow Method: ;Manning's Ccefficient: 0.0130
Routing Method: ;Travel Time Translation Contributing Hyd ,
DnNode ;cb10 UpNode cbl2
� Material Conc-S un Size 12" Diam
�--------------, P �
�Ent Losses �Groove End w/Headwall
�Length �100.0000 ft Slope 4.00% ;
�p Invert �100.0000 ft Dn Invert 96.00OQ ft I
� Conduit Constraints !
�
Min Vel �Max Vel �Min Slope Max Slope Min Cover �
r----�— i
1.00 ft/s ;1�.00 ft/s i0.20% 50.00% i3.00 f
---------_ ____ ____._------
iDrop across MH 0.0000 ft �Ex/Infil Rate 0.0000 in/hr;
�-__---_____ _ ____---------- - ----- --- —
jUp Invert 96.0000 ft Dn Invert �0.0000 ft �
�-------__ _ ----------
jMatch inverts. :
Record Id: p13
;Section Shape: �Circular ;
�Uniform Flow Method: iManning's .Coefficient: 0.0130 ;
,
i
; rRouting Method: �ITravel Time Translation Contributing Hyd j
� ---
-----
i
i
� jDnNode !cb12 UpNode cb13 .
�Material ;Con pun Size 12" Diam ';
jEnt Losses iGroove End w/Headwall ;
�ngth �31.0000 ft Slope 4.61°lo I
�
+Up ni vert i 100.OQ00 ft Dn Invert 98.5709 ft ;
i�----- --
-------- I
Conduit Constraints !
i _. I__.-_-._-�_-'-___ -__r'.---__-
i rMin Vel ;Max Vel Min Slo e Max Slo e:Min Cover
� r ,
; - ----- --p-I ---p�-
� 1.00 ftls �15.OQ ft/s i0.20% _ _(50_00% �3.00 ft
_i
^"__-_'-______-_"__.'_'-__-__._'_.-__".____'-_'.__ _.__ -___'_-.'i_-___"__.
;Drop across MH ;0.0000 ft ,Ex/Infil Rate i0.0000 in/hr�
;Up Invert '98.5709 ft jDn Invert 100.0000 ft ;
!Match inverts.
Record Id: p14
Section Shape: Lir�:ular
�Uniform Flow Method: '•Manning's jCoefticicnt: IO.0 130
, � � �Routing Method: 'Travel Time Translation�ntributing Hyd�- !
�DnNode �:cb13 UpNode cb14 '
jMaterial Conc-Spun Size 12" Diam ;
jEnt Losses Groove End wlHeadwall
�---------- --- --------- -- —'
ILength 77.0000 ft �Slope �1.98°I
iUp Invert J 100.0000 ft jDn Invert 98.4754 ft ',
------------___-__-__---__--� --
'� Conduit Constraints �
�i
��Min Vel Max Vel !Mi p(Max Slope�in Cover
i�1.00 ft/s 15.00 ft/s�0.20°Io _ �50.00°Io 3.00 ft ;
Drop across MH ;0.0000 ft Ex/Infil Rate �0.0000 in/hr;
;Up Invert 98.4754 ft Dn Invert 100.0000 ft ;
I
�atch inverts.
Record Id: pl� �
+Section Shape: 'Circular (
� ,Uniform Flow Meihod: Manning's {Coefficient: �0 0130 �
� ; ;
�. -----------------------------------
�
, .I
_--- -__ _ _ -- ___ - _ --- -- :------ --- -..____
� �Routing Method: Travel_Time Transla[ion �Contributing Hyd;
�---------
iDnNode cbl2 ;UpN ;cb15
�----
rMaterial Conc-S un Size 12" Diam
P
(Ent Losses ';Groove End w/Headwall
Length '100.0000 ft �Slope �0.50%
�p Invert ;100.Q000 ft Dn Invert j9 59 000 ft
� — - —
f— Conduit Constraints �
Min Vel�ax Vel jMi p Max Slope Min Cover '
i rl_00 ft/s 15.00 ftJs;020% 50.00% (3.00 f
iDrop across MH i0.0000 ft Ex/Infi( Rate j0.0000 in h/ ri
IUp InveR `j99.5000 ft �Dn Invert 100.0000 ft ';
��Match inverts.
Record Id: p16
-------------_ _ __
- - -- --- -- -
jSection Shape: Circular
--- ------ _,__ - __ _ --�- --
�'-� jUniform Flow Method: _Manning's __jCoefficient: ;0.0130
- iRouting Method: 'Travel Time Translation Contributing Hyd
�DnNode icb15 UpNode cb16 �
i
iMaterial �Conc-Spun Size 12" Diam '
Ent Losses jGroove End w/Headwall �
Length ;31.0000 ft Slope 10.70%
�Up Invert '100.0000 ft Dn Invert 96.6830 ft
� -
� Conduit Constraints
+ Min Vel iMax Vel IMi 1S on pe Max Slope�Min C vero
� 1.00 ftls �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 ;96.6830 ft � jDn Invert ,100.00 00 ft
�'fatch inverts.--------
Record Id: p17
� ,Section Shape:-- --- -C ircular ------- -
� �Uniform Flow Method: ;Manning's Coefficient: �0.0130
1 ► ;
Routing Method: �Travel Time Translation Contributing Hyd
�DnNode �cbl� �UpNode cbl7 ;
�Material IConc-Spun Size 12" Diam '
Ent Losses ;Groove End w/Headwall '
�Leng h � 100.0000 ft ;Slope �0.50%
.-------- - _ ____.__--------- �----- --------_----�--- ----
iUp Invert 100.0000 ft Dn Imert 199.5000 ft
�--- - - ----- _-�-----------------
� Condurt Constraints '
------ --' --__-_---- � —
• Min Vel jMax Vel �Min Slope�Max Slope�Min Cover I
-�---
1.00 fVs �15.00 fUs(0.20% 50.00% 3.00 ft j
—�----
Drop across MH �0.0000 ft aEx/Infil Rate r0.0000 in/hr!
Up Invert !99.5000 ft ;D In nvert i 100.0(}00 ft
Match inverts.
Record Id: p18
�
- — --------
�= �,�'� �Section Shape: ;Circular '
— ----_ -- --_— _ . _ __
Uniform Flow Method: 'Manning's jCoefficient: �0.0130
�Routing Method: 'Travel Time Translation�Contributing Hyd�
�Node 'cb 17 �Up oN de �cb 18
—,-
�aterial :Conc-Spun ;Size j 12" Diam �
r-- ---
(Ent Losses iGroove End w/Headwall '
-r------
j g h '100.0000 ft �Slope 10.50%
--�----
;Up Invert ' 100.0000 ft �Dn Invert i99.5000 ft
;f----- -- __,,-- ---
r Conduit Constraints �
Min Vel Max Vel IMin Slope iMax Slope�in Cover
�--;
( 1.00 ft/s �15.00 fUs�0.20% i�0.00 _��00 ft �
i
Drop across MH ;0_0000 ft IE /Inx fil Rate ,�0000 in/hr'
Up Invert 199.5000 ft i�Dn Im�ert �100 0000 ft
Match inverts.
Record Id: p19
�`�
� fSection Shape: --- Circular -- -i ^------`----- --- ---
�Uniform Flow Method: 'Manning's ;Coefficient: �0.0130
---------' ------------------ -----------
�outing Method: Travel Time Translation jContributing Hyd':;
�DnNode ;cbl8 ;UpNode ;cbl9 I
�
Material 'Conc-Spun �Size V 12" Diam ;
r— - --
lEnt Losses ;Groove End w/Headwall �
�Length �31.0000 ft rSlope �.80%
`---- —,
�Up Invert I100.0000 ft Dn Invert '=98.2020 ft '
� ----i — —'.
Conduit Constraints
Min Vel �Max Vel iMin Slope Max Slope iM ni Cover
1.00 fUs i 15 A0 ft/s�020% 50.00°Io 3.00 ft �
_ _ _ �
Drop across MH 0.0000 ft Ex/Infil Rate 0.0000 in/hr;
�Up Invert 982020 ft ,Dn Invert '100.0000 ft I
' �Match inverts. I
Record Id: p2
�Section Shape: �Circular �
rUniform Flow Method: ;Manning's ,�Coefficient: ;0.0130 ,
- - —�-
�Routing Method: 'Travel Time Translation Contributing Hyd;
iDnNode ;cb22 UpNode �cb24
jMaterial �Conc-Spun Size �1� 5" Diam
�Ent Losses jGroove End w/Headwall
�Length �41.0000 ft Slope �18.30% �
�;Up Invert i100.0000 ft Dn Invert 92.4970 ft '
� — -- - � ;
i I Conduit Constraints
:Min Vel Max Vel 'Min Slope�Max Slope�Min Cover�
,1_00 ft/s;15.00 fUs'0.20% 50�00% �3_00 ft J
------ -- _—r-- -------
'Drop across MH :O.OQ00 ft �Ex/Infil Rate '0.0000 in/hr
'Up Inver[ '92.4970 ft Dn Invert !100.0000 ft '
�Match inverts.
Record Id: p20
�Section Shape: ':Circular �
� �� _: ;
,Un�orm Flow Method: ;Manning's �Coefficient: I0.0130 ;
--- - - i
IRouting Method: 'Travel Time Translation Contributing Hyd j I
jDnNode !cb18 UpNode rcb20 —�
�
�Material ;Conc-Spun Size 12" Diam !
Ent Losses Groove End w/Headwall �
1
jLength ------------ ':87.0000 ft ---------jSlope ;0.50% ;
- - --- �---------- -:—----
�------------_- ------— --- ,
�Up Invert 100.0000 ft ;Dn Invert :99.56�0 ft ;
_ -- --- , -- -
__ ---._.______-----------,
.� __ _-------------__- - -- -- - --- ---;
�� Conduit Constraints
�, ;
i�Min Vel;Max Vel ;Min Slope jMax Slope�Min Cover'
:�
�---
�;1.00 fVs ;15.00 f1/s�0.20°Io 50.00°10 i�.00 ft �
I— �
Drop across MH '0.0000 ft +Ex I inf 1 Rate i0.0000 in/hr�
,Up InveR 99.5650 ft Dn Invert �100.0000 ft ;
�— �
1Match inverts. ; �I
Record Id: p21 I
� ,------- - ,
Section Shape: :Circular ,
?Uniform Flow Method: ;Manning's Coefficient: 0.0130 �
iRouting Method: :.Trave] Time Translation Contributing Hyd i
iDnNode ��cb20 UpNode icb21 i
: �
!Material �Conc-Spun jSize i'12" Diam
;Ent Losses Groove End w/Head�vall
'Length �31.0000 ft Slope ` i0_SO%
�Up Invert 100.0000 ft Dn Invert �99.8450 ft =
;
;� --- -- — �
!I Conduit Constraints ;
�',Min Ve1 ,Max Vel �Min Slo e Max Slo e'Min Cover
P �— P i
i, --�; I
%'1.00 ft/s j I5.00 ftls j0.20% 50.00% �3.00 ft
�Drop across MH 0.0000 ft �Ex/Infil Rate �0.0000 in/hri
i
iUp Invert �99.8450 ft �n Invert 100.0000 ft �
i
'�Match inverts. �
y Record Id: p22
�j �Section Shape:_ ______'_ Circular _�
[ )� r----- �
IUniform Flow Method: Manning's ICoefficient: I0.0130
.--- ------------- ____--- -- — - ---- —
iRouting Method: _Travel Time Translation�Contributing Hyd i
,_ _ --- ---_ -------— - !
jDnNode cb22 IUpNode �b24 �
i
�Material ^� Conc-Spun �Size 15" Diam �
�nt Losses Groove End w/Headwall — j I
i
�ngth 20.0000 ft +Slope �0.50%
_. _ __- ------------------------ ,
�Up Invert 100.0000 ft Dn Invert 99.9000 ft �
' � �` Conduit Constraints
�
Min Vel �Max Vel iMin Slope Max Slope iMi o !
,------�--
�1.00 ftls �15.00 ft/s;0.20°Io 50.00°Io �00 ft
Drop across MH i0.0000 ft �nfil Rate 0.0000 in/hr I
Up Invert i99.9000 ft Dn Invert 100.0000 ft I
Match inverts. , i
I
..�..
Record Id: p23
', �. .�
----- -____ _ .. __ _ ___--------- --- :
�Section Shape: Circular
�Uniform Flow Method: 'Manning's ��Ccefficient: 0.0130 �
�RRouting Method: :Travel Time Translation Contributing Hyd �
DnNode ;cb22 UpNode cb23 �
Material ;Conc-Spun Size 12" Diam i
Ent Losses ;Groove End w/Headwall (
Length ;46.0000 ft Slope 13.33%
Up ImJert `100.0000 ft Dn Invert 93.8682 ft �
ll Conduit Constraints !
�
��Min Ve1 ;Max Ve( ;Min Slope Max Slope Min Cover '
�
� - — -- ;
' i�1.00 ftJs +15.00 ft/s �0.20°Io 50.00% 3.00 ft i
��— � -----
�Drop across MH 0.0000 ft Ex/Infil Rate 0.0000 in/hr I
iUp Invert 93.8682 ft iDn Invert �100.0000 ft �
--------------___ __---
Match inverts.
�
� � � Record Id: p24
� - --_ _
/'�"�, Section Shape:__ jCircular __ I
[ 1� � i
;Uniform Flow Method: �Manning's Coefficient: 0.0130 �
�Routing Method: ;Travel Time Translation Contributing Hyd I
�------- � _ . ,
;DnNode �cb22 UpNode cb24 '
_ _ _ - - - -- )
:Material !Conc-Spun Size 15" Diam �
�-- --------'— I
Ent Losses ;Groove End w/Headwall
_ .
;Length 65.0000 ft Slope 0.50% j
;---------------------- — ;
?Up Invert 100.0000 ft Dn Invert 99.6750 ft � !
_ __ _____ ----- --- -- - -- -___ --- �
_--- -- _ ----- _ - --- ---- — I
Conduit Constraints ;
�-- i
;iMin Vel ;Max Vel ;Min Slope Max Slope jMin Cover ?
1.00 fUs ;15.00 f[/s;0.20% r50.00°l0 3.00 ft �
;Drop across MH 0.0000 ft Ex/Infil Rate 0.0000 in/hr j
---- ---- ------ -�— +
!Up Invert '99.6750 ft �Dn Invert 100.0000 ft ;
�--------------- �
;Match inverts.
Record Id: p27
;� �
;_ j r------ ---- I
- ISection Shape: ;Circular
�------- '
I,Uniform Flow Method: ;Manning's Coefficient: 0.0130
_
�rRouting Method: �Travel Time Translation Contributing Hyd
IDnNade__ __ ;cb24 __ UpNode cb27 �
�Material Conc-Spun jSize 12" Diam
:----------------` _ _,
';Ent Losses iGroove End w/Headwall ,
---------------------: --- I
;Length �42.0000 ft Slope 0.50%
�Up Invert � '100.0000 ft �Dn Invert 99.7900 ft !
, ------------ ------- ---__-�__.------ —�
------ ------__---- �
'; Conduit Constraints �
-------------------;-------- ---
�:Min Vel �Max Vel 'Min Slope rMax Slope�Mi Cn over �
'(1.00 ftls j 15.00 fUs�0.20% 50.00% 3.00 fi �
_�_
Drop across MH ;0.0000 ft Ex/Infil Rate 0.0000 in/hri
�Up Invert !99.7900 ft Dn Invert 100.0000 ft
�Match inverts.
{ Record Id: p28
_ ____ _ __ __-- ------
��� Section Shape �Circular
__ _- - --- ----. ------ --------- ,
�Llniform Flow Method: ;h�lanning's �Coefficie.nt: ;0.013Q
___ _ ___ ____---- -_..._ ----- -------- --•----------;--------
Routing Method: Travel Time Translation�Contributing Hyd{
__ ----_. _--___------- -------- ;
DnNode :cb27 UpNode cb28 ',
----- -------------- ;
1�'Iaterial Conc-Spun Size �2" Diam �
_---- -------------- -
_
Ent Losses 'Groove End w/Headwall � �
------ -- -�
'Length 31.00Q0 ft Slope 1330% f
_-p -- --- � : ,
L Invert 100_OQ00 ft Dn Invert 95.8770 ft
j { I
.________._-_ ______r__ : ��I
.____'_____..__ -___'__.__- _ : ..
Conduit Constraints � !
�Min Vel �Max Vel iMin Slope Max Slope Min Cover �
-; � i
_---- --
,j 1_00 fT/s ;15.00 ft/s �0.20% �50.0% 3.00 ft ;I
= �: __�_ -_ __ _ _ ___ ,
,Drop across MH ;0.0000 ft Ex/Infil Rate 0 0000 in/hr�
.---
- --- - ---_ __ ---
Up Invert ;95.8770 ft Dn Invert ` 100.0000 ft
Match inverts
-------�--- ---
Record Id: p29
� �_------------ — I
�Section Shape: 'Circular
!Uniform Flow Method:�Manning's Coef�icient: 4A130 �
---- - - _ ;
!Routing Method: Travel Time Translation Contributing Hyd� ;
DnNode �cb27 UpNode cb29 �
f
�
',Material �Conc-Spun Size �12" Diam !
_�.� ---- - f
�Ent Losses �Groove End w/Head�vall r
_ _
rLength �89.0000 ft Slope 4.92°Io �
_ _ _ _. . _._ __ _ _ .�
;Up Invert �100.0000 ft Dn Invert 95.6212 ft
Condu ---- - __---- - -- _.
r------
i it Constraints �
_--- �-- I
1�1in Vel }Max tiel ;Min Slope�Ma�iMi�_-n Cover ;
--- �- i
1.00 ftJs �15.00 ft/s'0.20°Io ' S0.00% 3.00 ft ;
: ��_
,--- --- _ _ �
-Drop across MH �0.0004 ft Ex/Infil Rate (0.0000 in/hr;
;Up Invert ;95.6212 ft Dn Invert 100.0000 ft �
. -------------
'�I�latch inveRs. �
# Record Id: p3
----------— +
� �� �Section Shape: �Circular �
— , _ ;
�Uniform Flow Method: 'Manning's Coefficient: 0.0130 ;
__._ __ ,
jRouting Method: ;Travel Time Translation Contributing Hyd�- i
---- ,
�DnNode :cb22 UpNode cb24 ;
�Material � �Conc-Spun Size 15" Diam i
�
�----Ent Losses �Groove End w/Headwall �
- _ -----____ ;
r--------- ;
�Length i 199.0000 ft Slope 1.77% i
U Invert �100.0000 ft Dn Invert 96.4777 ft '
(.--p �_;
;-__:_________=--_— '
_ _Conduit Constraints _ _I
Min Vel 'Max Vel Min Slope Max Slope;Min Cover�
__ --- ----- ------- —
1.00 ft/s 15.00 ft/s.0.20% 50.00% j3.00 ft I
''-------- ----- --
IDrop across MH �0.0000 ft Ex/Infil Rate �.0000 in/hr'',
�Up Invert :96.4777 ft Dn Invert 100.0000 ft '.
rMatch inverts.
�
Record Id: p32
,--- -- i
�Section Shape: 'iCircular �
�Uniform Flow Method: ;Manning's Coefficient: 0.0130 i
. _ _ _ -- _ ___ _ f
�Routing Method: jTravel Time Translation Contributing Hyd
_ - - - _
DnNode !cb29 UpNode cb32 i
Material !Conc-Spun Size 12" Diam ,
' !
Ent Losses 'Groove End w/Headwall � �
+Length 31.0000 ft Slope 6.18% i
Up Invert '100.0000 ft Dn Invert 98.0842 ft �
,�__ -------- �
' Conduit Constraints
, i
;�Min Ve1 ;Max Vel �Min Slope Max Slope Min Cover
��----- r-- i
�;1.00 ftls ;I 5.00 ftls;0.20% 50.00% 3.00 ft
�--------- {
;Drop across MH '0.0000 ft �Ex/Infil Rate 0.0000 in/hrl
�Up Invert _ i98.0842 ft Dn Invert 100.0000 ft ,
�Match inverts. i
Record Id: p33
� f — -- — , — --
(Section Shape: �Circ� ular - �
�iform Flow Method: ;Manning's (Coef icif ent: �0130
�Routing Method: ;Travel Time Translation �Contributing Hyd� !
IDnNode ;cb29 �UpNode f cb33
�Material fConc-Spun Size �2" Diam
�Ent Losses IGroove End w/Headwall
jLength 152.0000 ft Slope �0.�0%
IUp Invert !100.0000 ft Dn Invert 99.2400 ft '
�
Conduit Constraints
�iMm e1 ;Max Vel Min Slo e Max Slo e Min Cover; �
�-( p ��- I
f_�00 ft/s '15.00 ft/s 0.20% 50.00% 3 OO ft ', ,
_ _ _ ... . . ___ .-- - ___ _ _ _ ;
Drop across MH 0.0000 ft Ex/Infil Rate �0000 in/hr�
�---
_ _ ;
�Up Invert j99.2400 ft Dn Invert 100.0000 ft �
lMatch inverts.
Itccord Id: p3�
;: - --- ----- —------ ---_ ---;
Section Shape: Circular ;
------- ----- — — - �--
;Uniform Flow Method: ;Manning's �Coefficient: i0.0130
Routing Method: Travel Time Translation Contributing Hyd�
:DnNode 'cb33 UpNode cb34 ;
�Material :Conc-Spun Size 12" Diam ' ,
;Ent Losses 'Groove End w/Headwall
jLength j66.0000 ft Slope 1_08% ;
;Up Invert ;100.0000 ft Dn Invert �9 2872 ft
_ __ �
-- -------- — �
�
� Conduit Constraints i
' `Min Vel Max Vel �Nlin Slope�Ma 1S ox pe Min Cover �
i� �—�—
j 1.00 ftls ;15.00 ft/s i0.20% 50.00% 3.00 ft �
� -- !
__ -----------
�Drop across MH �0.0000 fi Ex/Infil Rate 0.0000 in/hri
r--
�Up Invert �99.2872 ft Dn Invert �100.0000 ft i
Match inverts.
�� Record Id: p35
___ _____ _____
-
'
�
Section Shape: �Circular i I
� — ---- – �
Uniform Flotiv Method: ;Manning's Coefficient: j0.0130
�Routing Method: ;Travel Time Translation �Contributing Hyd j
-- — _ _ __ I
�DnNode ;cb34 UpNode cb35 !
Material _ jConc-S un Size 12" Diam � I
� p
�Ent Losses ;Groove End w/Headwall � ,
iLength �30.0000 ft Slope 1.33°Io �
-.---- i
iUp Invert �:100.0000 ft Dn Invert 99.6010 ft �
'j Conduit Constraints �
��---------- ---- , -- �-- i j
!'N1in Vel �Max Vel �1�1in Slope Max Slope�Min Cover �
j I 1.00 fUs �15.00 ft/s;0.20% 50.00% �3.00 ft ; !�'
�Drop across MH �.0.0000 ft Ex/Infil Rate O.OQ00 in/hr; '�
'Up Invert �99.6010 ft Dn Invert �1�0.0000 ft ; �I
�—---- – �I
;Match inverts. I
Record Id: p36 �I
i � .� � --
� �Section Shape: iCircular
� iUniform Flow Method: ;Manning's Coefficient: ,0.0130 �
, _
�Routing Method: �Travel Time Translation Contributing Hyd�—
�DnNode `cb34 ' UpNode cb36
, __ _ �
;Material ;Conc-Spun : Size 12" Diarn
-----------' ,
IEnt Losses 'Groove End w/Headwall ;
,
Length 69.0000 ft Slope 7.04°Io �
------ ----------------- '
';Up Invert 100.0000 ft �Dn Invert 95.1424 ft �
------_---------- -------- -- �
_ _- –-__ _ _ _ — -------- I
' Conduit Constraints
��1in Vel I��1a� Vel l��tin Slope��ax Slope IMin Cover� '
' 1.00 ft/s '15.00 ft/s;0.20°Ic (50.00% i�00 ft �
i
'Drop across MH '0.0000 ft Ex/Infil Rate 0.0000 in/hr'';
iUp Invert '95_1424 ft Dn Invert 100.0000 ft ;
!Match inverts. �
�
Record Id: p37
_ __ _
�Section Shape: ;Circular
�� _ _ _._.___
�iform Flow Method: Manning's Coefficient: ' 0.0130 �
_ _ :
�Routing Method� Travel Time Translation �Contributing Hyd� i
--------�__ ____- ---•---------------
�---_-_ _._____. ___. _____ �_�,
�DnNode cb33 �UpNode �cb37
Material Conc-Spun !Size j 12" Diam
jE t Losses Groove End ���/Headwall ;
;Length 106.0000 ft jSlope j0.50%
--------------------- ---- --- '.
jUp Invert '100.0000 ft �Dn Invert �9.4700 ft '
r� Conduit Constraints (
---;-- ;
�Min Vel !Max Vel ;Min Slope(Max Slope�Min Cover �
--------
r--r---- ,
Ij1.00 fds ;15.00 ft/s ;0.20% i50.00°Io �3_00 ft ';
;
Drop across MH 0.0000 ft Ex/Infil Rate 0.0000 in/hr�
__ __ _ _ _ _ ,
�Up Invert ;99.4700 ft Dn Invert ' 100.0000 ft �
_ _ _ ;
Match inverts. ;
.
Record Id: p38
,� ;
;------------ ------ ------------------------;
i ;Section Shape: 'Circular �
�Uniform Flow Method: Manning's �Coefficient: l0.0130 �
�Routing Method: _ Travel Time Translation Contributing Hyd� �
'DnNode 'cb37 UpNode cb38 '
'Material T,Conc-Spun iSize �12" Diam �
�Ent Losses Groove End wlHeadwall
ILength 31.0000 ft �Slope �0.50°Io �
�Up Invert '100.0000 ft iDn Invert l99.8450 ft �
r_ _ �
�
I� Conduit Constraints i
'Min Vel'Max Vel 'Min Slope iMa� x Slope 1Min Cover �
;
I'_ ' _' i
1.00 fVs ';15.00 ftls,0 20°Io 50.00°Ic 3.00 ft i
'--------- -- I
__ ---------- ------
'Drop across MH '0.0000 ft Ex/Infil Rate 0.0000 in/hr�
!Up Im�ert 99.8450 ft Dn Invert 100.0000 ft �
-------------- �
��:Match inverts. �
__ ___ - --_ __ __ _ __._ _------------- ---!
Record Id: p4
— ------
jSection Shape: ;Circular
� '� Uniform Flow Method: Mannin 's ''C eo fficient: '0.0130
� g �
; �—
�Routing Method: `:Travel Time Translation�Contributing Hyd j ,
DnNode icb3 UpNode �cb4
Material iConc-Spun Size ,12" Diam
Ent Losses �Groove End w/Headwall
Length i119.0000 ft (Slope 17.60% �
_ — ---
�Up Invert '100.0000 ft jDn Invert �79.0560 ft i
� Conduit Constraints
�
:�Min Vel �Max Vel iMin Slope Max Slope Min Cover
+ � —-----�--- —
i�I.00 fVs �,15.00 ft/s 10.20°Ic �50.00% �3.00 ft
�------------ ' --------------------
. ----------- --------------,— —
jDrop across MH 0.0000 ft !Ex/Infil Rate :OA000 in/hr'
�Up Invert---------'79.0560 ft -----------�Dn Invert---�100.0000 ft
r----------
�Match inverts_
Record Id: p44
�-
'� i ------------ ------- ------;
�Section Shape: '.Circular I
�Uniform Flow Method: ;Manning's �Ccefficient: �OA�-
Routing Method: ;Travel Time Translation Contributing Hyd�—
DnNode ":.cb47 UpNode cb44
�Material !Conc-Spun Size �12" Diam
�Ent Losses ;Groove End w/Headwall
,Leng h '67.0000 ft Slope �10.06°Io ;
;Up Im�ert �100.0000 ft Dn Invert �93 2598 ft �
�
� ---- -— __ . -- ,
-- - --------- —
_-- . .____ __------ -- - — ---- _-----� ;
� Conduit Constraints � '
�Min Vel Max Vel 'Min Slope�Max Slope jMin Cover� �
��1 00 ftls �15.00 ft/s i0.20% 50.00% 3.00 ft I �
i'--�---------- ' -- �
,
� -------- ---------- - r--- _ ,
�Drop across MH 0.0000 ft iEx/Infil Rate ;0.0000 in/hr�
Up Invert '�93.2598 ft rDn Invert �00.0000 ft ;
�atch inverts. �
;
�( Record Id: p45
--- ------ - �
� �Section Shape: iCircular �
Uniform Flow Method: �Manning's Coefficient: i0.0130 '
Routing Method: 'Travel Time Translation lContributing Hyd;
DnNode 'cb47 � �UpNode T;cb45
-�-------; — .
�Material ';Conc-Spun ;Size 12" Diam
- r-----'------------� -- ---------------'__._ _
jEnt Losses Groove End w/Headwall
ILength -------- - - ----`112.0000 ft ;Slope--- 0.50�7c
------------------ —- ------------------- .-_�_____--
�Up Invert �:100.0000 ft �Dn Invert i99.4400 ft
Conduit Constraints
r--- �
Min Ve1 ;Max Vel jMin Slope Max Slope�Min Cover
1.00 ft/s �15.v�0.20% 50.00% 3.00 ft ;
Drop across MH �0.0000 ft Ex/Infil Rate 10.0000 in/hr
Up Invert ;99.4400 ft ;Dn Invert i 100.0000 ft ;
�Match inverts.
K�•���,r�l l�l: ��-lt�
) ---- —
- iSection Shape: Circular
�---
jUniform Flow Method: �Manning's (:u�1 t��icnt: U.0 l�U
�—----- --- -
iRouting Me[hod: ,Travel Time Translation ;Contributing Hyd�
iDnNode ;cb45 3UpNode jcb46
�Material >Conc-Spun iSize j 12" Diam
Ent Losses IGroove End w/Headwall
Length �30.0000 ft �Slope ;8.90°Io
Up Invert '100.0000 ft ;D In nvert '97.3300 ft '
--- ---------- — ------------------
---_
� Conduit Constraints
�!Min Vel ;Max Vel �Min Slope�Max Slope�in Cover
(,1.00 ft/s ;15.00 ft/s 0.20% 50.00% i3.00 '
i
Drop across MH _�0.0000 ft �Ex/Infil Rate �0 0000 in/hri
Up Invert �97.3300 ft Dn Invert ,100.0000 ft I
�
�Ma[ch inverts.
� ( Record Id: p47
Section Shape: ;Circular '
`" Uniform Flow Method: Manning's ICoefficient: 10.0130 -
. . _____.___._-_ --____.___'_r____- _'___.-.___.__.-_-.
�Routing Method: Travel Time Translation jContributing Hyd;
(DnNode ;cb37 UpNode �� �cb47 �"
�Material _____ �Conc-Spun __ ;Size _r12" Diam '
�Ent Losses '.Groove End w/Head�;-all �
-r---
(Length !107.0000 ft jSlope �0.50%
Up Invert 100.0000 ft �Dn Invert ;99.4650 ft '
�-� - -_ — -------i
;, Conduit Constraints �
�iMin Vel (Max Vel �Min Slope Max Slope,Min Cover
� 1.00 ft/s i 5.00 ft/s 020% 50.00% 3.00 ft '
�Drop across MH !0.0000 ft ;Ex/Infil Rate ;�0000 in/hr
�p Invert 99.4650 ft ;Dn Invert �100.0000 ft
r--- ----
iMatch inverts.
__ __ . ___ _ _ - - _. _
IZ�•�urcl lcl: ��� I
; � �-- - -- - -_ '
iSection Shape: :Circular
Uniform Flow Method: ;Manning's '`Coefficient: 0.0130 �
Routing Method: jTravel Time Translation�Contributing Hyd�— :
�DnNode cb4 �UpNode cb5
Material Conc-Spun Size i 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 �
--- -- ----- -----
- --- -
;� Conduit Constraints �
;�--...---------;----p r----p-�-------- ,
�;Min Vel 'Max Vel Min Slo e�Max Slo e �Min Co�er;
,�---------------`. ---,------�
��1.40 fUs `15.00 ft/s�0.20% 50.00% i3.00 ft ;
:__-- - ------------------ --'--- --�
___ ..--------------
--- �,
�Drop across MH �i0.0000 ft �x/Infil Rate �0.0000 in/hr!
Up Invert �99.8450 ft Dn Invert ;100.0000 ft
Match inverts.
� � Record Id: p7
iSection Shape: ',Circular � I
�`��� r-- I''
` Uniform F7o«7 Method: �Manning's Coefficient: ,0.0130 ; '
------- — ;
Routing Method: :Travel Time Translation Contribudng Hyd; !
�
_ ------------------------------------------
---��,�_--i
DnNode cb4 ,UpNode cb7 j '
_---- ------------------- -----__-- --�—---- — ----,
'Vlaterial ;Conc-Spun �Size :12" Diam �
:Ent Losses Groove End ���/Head���all `
------------- -- ------------- _ ___------.---------- -_�._____ ;
;Length 85.0000 ft f Slope ;11.36°Io
;Up Invert �100.0000 ft Dn Invert �90.3440 ft '
-_=___=-_— �
---
� �Seciion Shape__ Circular _
rUniform Flo��� Method: Manning's Coefficient: j�0130
------:
Routing Method: :Travel Time Translation�ontributing Hyd I ;
-- -------------- - .
�DnNode 'cb7 UpNode cb9 !'
�Material rConc-Spun Size 12" Diam
- - - — -----
�Ent Losses Groove End w/Headwall
- - --- --- ---
�ngth ;72.0000 ft Slope �9.60% �;
---------- _ ,
Up Invert 100.0000 ft Dn Invert 93.0880 ft �
� _ )
� Conduit Constraints I
��— �-
��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 iEx/Infil Rate 0.0000 in/hr'
-----_. __----------- -- ------------------ '
Up Invert 93.0880 ft �Dn Invert 100.0000 ft :
-----------__ _ __ _
'Match inverts.
__ -- -- _ _ _ _------ ----
--- ------- - ----
�
�ude Rec�►rds
� - � Record Id: cb10
Descrip 'Prototype Record iInerement 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 I
Catch �1.5000 ft �Botiom Area 19.6350 sf I
Condition Existing
Record Id: cbll
;Descrip: jPrototype Record �;Increment 01�ft
lStart El. I100.0000 ft 'Max El. 108.0000 ft
;Classification IManhole 'Structure Type CB-TYPE 1-48
Ent Ke ;Groove End w/Headwall (ke=0.20) ;Channelization Curved or Deflector
iCatch �1.5000 ft �Bottom Area 19.6350 sf
t `� Condition �Existing
,
�
Record Id: cb12
-- ---------- _ _ _
�Descrip: iPrototype Record ;Inc e t 0.10 ft
__ _ _
�------- —
�Start El. �100.0000 ft !Max El. 108.0000 ft
IClassification !Manhole � �Structure Type �CB-TYPE 1-48
---------.__------_- ---------------------
'Ent Ke �Groove End w/Headwall (ke=020} !Channelization Curved or Deflector �
_.___.__--__ _ ._ _--___._____._._. ---__----------- --
'Catch 11.5000 ft �Bottom Area 19.6350 sf , '
_. _._____ _ ___ ----- _-------- - -- i
Condition !Existing �
Record Id: cb13
�---- --------
iDescrip: �Prototype Record �Increment 0.10 ft
-----
�-----
_ __
Start El. �100.0000 ft jMax El. 108.0000 ft
, -- __ _
__-- — ,-- —
Classification 'Manhole �Structure Type CB-TYPE i-48
�Ent Ke iGroove End w/Headwall (ke=0.20) ,Channelization Curved or Deflector'
;---- �—
___.____.
� .. �Catch i 1.5000 ft Bottom Area 19.6350 sf
----- — _ _ _ _
�--- ICondition �isting I
Record Id: cb14
;Descnp: Prototype Record ;Increment (0.10 ft
•----- ---- --
� jStart El. �100.0000 ft :Max E .l 108.0000 ft
IClassification �Manhole ;Swcture Type CB-TYPE 1-48
;Ent Ke Groove End w/Headwall (ke=0.20)iChannelization Curved or Deflector
jCatch T r1.5000 ft J �Bottom Area 19.6350 sf
rCondition �Existing �
Record Id: cb15
--
Descrip: fPrototype Record ,Increment 0.10 ft
�Start El. �100.0000 ft Maac EL 108.0000 ft
_ _ _____ _
�Classification Manhole Structure Type CB-TYPE 1-48
;, ____
jEnt Ke IGroove End w/Headwall (ke=0.20) iChannelization Curved or Deflector
ICatch ;1.5000 ft �Bottom Area 19.6350 sf �
� !Condition ';Existing
__ _ _ -----._ .---- --- I
Record Id: cb16
,Descrip: ;Prototype Record ;Increment 0.10 ft
�----- - -- - _— - . _
iStart El. �100.0000 ft �Max El. �108.0000 ft
r-------
_. _ ___ ____- - ._. . _.
�Classification Manhole �Structure Type CB-TYPE 1-48 '
;------------- -
;Ent Ke Groove End w/Head�vall (ke=0.20)�Channelization Curved or Deflector
;Catch ,1.SQ00 ft Bottom Area 19.6350 sf
'----------- �
�Condition (Existing
Record Id: cb17
� - -_ ---
�------
Descrip Prototype Record ;Increment 0.10 ft
___ _-- ---- - —
Start E1. �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
jCatch ;1.5000 ft �Bottom Area 19.6350 sf
�Condition Existing
Record Id: cb18
----------.
;Descrip: �Prototype Record �Increment 0.10 ft
---- --
lStart El. 100.000Q ft ;Max El. 108.0000 ft
_ _
iClassification�Manhole ;Structure Type' CB-TYPE 1-48
'Ent Ke �Groove End w/Headwall (ke=0.20)�Channelization Curved or Deflector
r-------
;Catch 1.5000 ft �Bottom Area 19.6350 sf
---------_...--r--------------- —`
�Condition �Existing
Record Id: cb19
r—_._---- �
' �Descrip: �Prototype Record Increment 0.10 ft
_ --
� �� ,Sta El �100.0000 ft �Max El. 108.OQ00 ft
r
__.___--- _._ __ _ _ -- - _ --
�� Classification �anhole Structure Type CB-TYPE 1-48
Ent Ke �Groove End w/Headwall (ke=0.20)rChannelization Curved or Deflector'
____. . __ _ _:
�Catch r1.5000 ft ;Bottom Area (19.6350 sf
- _ _ _ _ _ _. _ .
�ondition �isting
Record Id: cb2
;-------- ;------------- --- ---- �
�Descrip: �Prototype Record "Increment 0.10 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 jBottom Area 19.6350 sf
�Condition Existing
, Record Id: cb20
,y
iDescrip: �Prototype Record jIncrement 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
Catch j 1.5000 ft 'Bottom Area 19.6350 sf
_----------.----
Condition 'Existing �
_ --- ._ . ___ .------- _---- ------------ -------�
Record Id: cb21
Descrip: jPrototype Record :Increment 0.10 ft �
,Start El. ;100.0000 ft ;Max El. 108.0000 ft
Classification �Ma h �Structure Type CB-TYPE 1-48
------- -- _ _ _
Ent Ke iGroove End w/Headwall (ke=0.20) Channelization Curved or Deflector
Catch I1.5000 ft ,Bottom Area 19.6350 sf ^
�Condition ,`Existing
Record Id: cb22
� Descrip___ __jPrototype Record �Increment �_10 ft
iStart EL �100.0000 ft iMax EL �108.0000 ft
--r----- -
lClassification ;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 19.6350 sf
iCondition Existing
Record Id: cb23
------ —
__ _
�Descrip: Prototype Record �Increment Q.10 ft
`Start El. 100.0000 ft iMax El. 108.0000 ft
_ _ _ _ _
�CI sa sification Manhole Structure Type CB-TYPE 1-48
`Ent Ke Groove End w/Headwall (ke=0.20) Channelization Curved or Detlector'
'Catch 1.5000 ft 'Bottom Area 19.6350 sf
Condition �Existing �
� _____ ---------- --
Record Id: cb24
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
fEnt Ke Groove End w/Headwall (ke=0.20)�Channelization Curved or Deflector
Catch �1.5000 ft �Bottom Area f 19.5350 sf
;Condition Existing
Record Id: cb27
_-- -�- _-------------------- -
; ��Desci-ip: jPrototype Record !Increment �0.10 ft
—r-------
Start El. i 100.0000 ft iMax El. 108.0000 ft
—�------
Classification IManhole •: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
_- ------ _
r----
';Condition �Existing
Record Id: cb28
1
-- ------
Descrip: �Prototype Record 'Increment 0.10 ft
;Start El. �100.0000 ft r.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 ;1.5000 ft 'Bottom Area 19.6350 sf
Condition ;Existing
Record Id: cb29
'Descrip: !Prototype Record '=.Increment 0.10 ft
--- .
'iStart El. �100.0000 ft ;Max El. 108.0000 ft
',Classification jManhole ;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: cb3
--_-------—
_ _ _
'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
-------- ---.-'-------------------- —r---
Ent Ke ;Groove End w/Headwall (ke=0.20);:Channelization �Curved ar Deflector
Catch :1.5000 ft Bottom Area �19 6350 sf
Condition iExisting ,
f Record Id: cb32
__ ___ - _ _- ----- -------------- -
Descrip: jPrototype Recoid �Increment �0.10 ft
;-- — —
�Start El. �100 0000 ft �M E � 1Q8.0000 ft '�
. _ _. _ _ _
�,Classification Manhole 1Structure Type CB-TYPE 1-48
,. _ _ _ -
iEnt Ke �Groove End w/Headwall (ke=0.20);Channelization�Curved or Deflector
---
� _ _
�Catch �5000 ft iBottom Area 19.6350 sf
-- --�-------- -- _ ,
�Condition �Existing �
, .: ;
�
� ----- - ----------------___-- ---_ --
Record Id: cb33
iDescrip: �Prototype Record �Increment IO.IOr ft-- i
' !
jStart EL (100.0000 ft 'iMax El. 108.0000 ft �
�
� ---- —' ,
jClassification�Manhole �Structure Type� CB-TYPE 1-48 �
_ _ . __
�Ent Ke iGro��e End �v/Headwall (ke=0.20);Channelization Curved or Deflector'
� _ _ _ __ _ __
�Catch �1 5000 ft ;B om Area 19.6350 sf '
--- -- __ �
:Condition ,Existing ;
� '---------------------------- --
Record Id: cb34
_ _ _ __
�Descrip: 1Prototype Record `Increment 010 ft
--- --� -- _ __ ____.
'Start El. i 100.0000 ft Max El. i 108.0000 ft
�Classification jManhole 'Structure Type CB-TYPE 1-48
.—_.__ � ___- --- . _-- ------ --- -
Ent Ke ;Groove End w/Headwall (ke=0.20) Channelization �Curved or Deflector j
,
;Catch .1.5000 ft ` Bottom Area (19.6350 sf ;
�Condition---;Existing--------- ;
Record Id: cb35
-- ----- - __-- --- - -__ _ ---- -------- �
Descrip_ _ �Prototype Record ;Increment 010 ft _I
'Start El. f 100.0000 ft !Max El. �108.0000 ft i
',Classification;Manhole ;StructureType �CB-TYPE 1-48
,Ent Ke �Groo��e End ���/Head«�all (ke=020) ';Channelization' Curved or Deflector�
!�Catch '1.5000 ft iBottom Area �19.6350 sf � '
;
--- ---- � -� ----- - -__ _ _—- ----- -- — ----
� Condition Exis[in � �
Record Id: cb3�i �
- ---- -- - _--- _ __ ;
Descrip: ;Prot�type Kecord Increment �0.10 f[ � '�
Start El. __ _;100.0000 ft :Max El. 108.0000 ft i
Cla�sificati��n !1��lanhole �Stnicture Type CB-TYPE 1-48
_ __ _ -- - _ -------- --- -__J
_ �
��� �Ent Ke �Groove End w/Headwall (ke=0.20};Channelization Curved or Deflector
� Catch E 1.5000 ft ;Bottom Area 19.6350 sf
Condition Existing
_ _ -1
Record Id: cb37
�Descrip: �Prototype Record Increment 0.10 ft
!Start El. 100.0000 ft �Max EI. 108.0000 ft
;Classification jManhole J ;Structure Type CB-TYPE 1-48
:------------.-------------- __ ---------- ;-
;Ent Ke 1Groove End w/Headwall (ke=0.20) ;Channelization Curved or Deflector;
ECatch '1.5000 ft ;Bottom Area �19.6350 sf �
�C� ondition �Existing
Recnrd Id: cb38
�Descrip: Prototype Record ;Increment 0.10 ft
, ��- -� IStart El. 100.0000 ft �Max El. 108.0000 ft _
- - Classification �anhole ;Structure Type CB-TYPE 1-4E
�Ent Ke Groove End w/Headwall (ke=0.20) iChannelization Curved or Deflector�
�atch �1.5000 ft �Botlom Area 19.6350 sf
�Condition :Existing i
Record Id: cb4
--------- - -- - _ _ _
;Descrip: �Prototype Kecord lncre�nent ;0.10 ft
-__. -----------------------------------------------------�---
;Start EI. !100.0000 ft 'Ma�c EI. �108.0000 ft ;
':Classification iManhole Structure Type jCB-TYPE 1-48 .�
�Ent Ke iGroove End �v/Headwall (ke=0.20) ,Channelization Curved or Deflector�
Catch IL�004 ft 'Bottom Area 19.6350 sf
�Condition jExisting
Record Id: cb44
J' ' IDescrip: Prototype Record �Increment 0.10 ft
__ _:I
;Start El. I 100.0000 ft !Max EI. 108.0000 ft
� ---�--- ------- --- ----
�lassification ;Manhole Structure Type �CB-TYPE 1-48
�--------- - ---------------------------- _---__ _�-- ------ :
;Ent Ke ;Groove End w/Headwall (ke=0.20)�Channelization rCurved or Deflec[or!
lCatch j I.5000 ft `;Bottom Area ;19.b350 sf
ICondition__�Exist ni g _ _ _ ___ �
Record Id: cb45
{Descri �Protot e Record 'Increment 0.10 ft �
P� i Y P , --�-------- -------#
;Start El. (100.0000 ft jMax El. (108.0000 ft �
Classification Manhole (Struc u er Type �CB-TYPE 1-48
�E tn Ke Groove End w/Headwall (ke=0.20) Channelization iCurved or Deflector
Catch 1.5000 ft �Bottom Area 19.6350 sf
:Condition ;Existing ;
'
Record Id: cb46
,
3 _ _----_-__ -- --r---____-f
�Descrip: �Prorotype Record iIncrement j0.10 ft �
'Start Et. `100.0000 ft jMax El. �108. 000 0 ft
!Classification �Manhole �:;Strucwre Type CB-TYPE 1-48
iEnt Ke �Groove End w/Headwall (ke=0.20)'Channelization�Curved or Deflector
ICatch 1.5000 ft Bottom Area �19.6350 sf �
'Condition 'Existing
Record Id: cb47
r----------- - -
'Descrip: �Prototype Record �Increment �0.10 ft
!Start El. 100.0(}00 ft !Max El. 1108.0000 f
�
�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 jExisting -- - ---- --- ------- — ----�
�
Record Id: cb5
(� Descrip: �Prototype Record 'Increment ,�0.10 ft
� J — —' --
�Start El. �100.0000 ft Mar El. .108 0000 ft
{Classification lManhole 'Structure 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 f
ICondition iExisting �
,
Record Id: cb7
-- - -- _---------- ------------..__ _ _____ __ ____ -� ----- ------ _ _ --.
�Descnp. Prototype Record Increment f0.10 ft j
------ -.. ----------------- __...--- --- --- -----�- -�----- - I I
Start El. 100.0000 ft Max El. 1108.0000 ft �
;Classification jManhole �Swcture Type 'CB-TYPE 1-48 (
i
fEnt 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: cb8
Descrip: �Prototype Record 'Increment �0.10 ft �
iStart El. 100.OQ00 ft jMax El. r108.0000 ft
�Classification Manhole iStructure Type CB-TYPE 1-48
!Ent Ke ;Groove End w/Headwall (ke=0.20)�Channetization Curved or Def7ector
� 'Catch 1.5000 ft Bottom Area !19.6350 sf i
, : � ,
-- ---------------- -- ----- �
';Condition ;Existing �
------__�___=-------- -
Record Id: cb9
;-- — — r----------;
�Descrip: �Prototype Record Increment !0.10 ft �
'-- ----:------- -------- --------- �
jStart El. i 100.0000 ft 'Max El. 108.0000 ft j
Classification �Manhole Structure Type CB-TYPE 1-48 �
(Ent Ke �Groove End w/Headwall (ke=0.20)!Ch ea nn lization Curved or Deflector�
Catch 1.5000 ft iBottom Area �19.6350 sf �
Condition Existing
'� )
���� Record Id: pond �
�Descnp: !Prototype Record Increment �0.10 ft �
;Start El. 100.0000 ft ;Max El. �108.0000 ft�
-__---------- --- ____------
IDummy Type Node �
�
Contributing Drainage Areas
Record Id: cb10
�Design Method ' SBLTH �Rainfall type � TYPE 1 A �
;Hyd Intv 10.00 min (Peaking Factor 484.00
� � ;Abstraction Coeff � 0.20
�Pervious Area 0.03 ac IDCIA 0.02 ac
,— -
�Pervious CN � 98.00 iDC CN 86.00
;P tvre ous TC 5.00 min iDC T �5.00 min
;� Pervious CN Calc
-- - ----- ------ -- - --
, ���� , Description SubArea ; Sub cn
- - _ __- ----------------- ----------- - r--
- :a Impervious surfaces (pavements, roofs, etc) 0.03 ac 98.00
,, i
�� � Pervious Composited CN (AMC 2) 8.00
�:
:�----_--------- ---- - —
;;
Pervious TC Calc
i( Type Description Length Slope � Coeff �c-; TT !
��Fixed ; i5.00 min ��
�; Pervious TC � 5.00 min �
;--- - --- _
I� Directly Connected CN Calc
� Description r SubArea �ub 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 ; Description Length ; Slope , Coeff Misc � TT
I'_— — -- —
��Fixed � 15.00 min I
-------=-------------------------- -----, �
�� Directly Connected TC j S.00min i I
I� �
- ���
Record Id: cbll
(Design Nlethod SBUH Rainfall type TYPEIA �
jHyd Intv i 10.00 min iPeaking Factor 484.00
� __ _ _.
r------�------- -r._-- --�
� i �Abstraction Coeff 0.20
_ _ _-- _
IPervious Area � 0.17 ac �DCIA 0.12 ac �
. __. _ _ ._ .
=Pervious CN 98.00 jDC CN 86.00 �
;Pervious TC i 5.00 min �DC TC 5.00 min
Pervious CN Calc
i' v Description i SubArea Sub cn
Impervious surfaces (pavements, roofs, etc) , 0.17 ac 98.00
� Pervious Composited CN (AMC 2) j 9 Q I�
- -- ----
;- --------------__ --� �
Pervious TC Calc
-- i
Type . Description i—Length : Slope i—Coeff ; l��-iisc `; TT
!Fixed � ( ;5.00 min �
' ' + 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 i Description Length � Slope Coeff � M s�c� TT
''Fixed ; 5.00 min
Directly Connected TC � S.00min
Record Id: cb12
----------__-----_ -------- --- -;
iDesign hlethod � SBUH !R nai fall type � TYPElA
— -- -------- -- —' -
;Hyd Intv � 10.00 min Peaking Factor � 484.00
Abstraction Coeff 0.20
�'Pervious Area i-0.18 ac �DCIA 0.12 ac
;Pervious CN � 98.00 �DC CN 86.00
�
'iPervious TC � S.t?0 min IDC TC 5.00 min �
- --------- —._-------
- ---- --- _ _ _ ._ _ __ _ _. _ _ ,
(� � Pervious CN Caic "`
� � _ _ . -- ----- --____ _- --___. _
�� Description , SubArea � Sub cn
�� Impervious surfaces (pavements, roofs, etc) ! 0.18 ac 98.00
I�--- , _
__ _ --- ---------- ---
!1 Pervious Composited CN (AMC 2) 98.00 �
�--------__ _ ..-- - --- --- ----
- --
;,_.____-----=----____---_-__ :__�----- —
�' Pervious TC Calc I
;I �
��Type Description �i h ; Slo� Coeff Misc i TT "
' - -- -_-- --r-- , _ �;
��Fixed j j5.00 rrvn
�-- -- --__ _-- --- — (
�� Pervious TC � 5.00 min j�
�------------ - ---------_____- ----- ------------ �
--_ _--_ --- -- ---- ---------_ �
--- -._ .__ _ - ---
' Directly Connected CN Calc �
�' -- --___----------- �
;� Description SubArea Sub cn ;
,
I� Open spaces, lawns,parks (>75% grass) 0.12 ac 86.00
,�— DC Composited CN (AMC 2) 86.00
__ _ _ _._ ___ _� __--- _
� ___ _� ____
_ _ I
;i Directly Connected TC Calc
. _. _ _
i ------- �
�r Type Description Length I Slope Coeff _ Misc TT '
_ _ _ _ ____
� Fixed ' �5.00 min
I�-------------- _ . __ _
-- � Directly Connected TC , S.00min
� > __
Record Id: cb13
___- ------- - - - --- -- -- -,
�Design Method SBUH jRainfall type TYPEIA
�
,, �Hyd Intv 10.00 min lPeaking Factor 484.00
--------;- ----iAbst tion Coeff 0.20 - I
' �Pervious Area I 0.14 ac jDCIA 0.10 ac I i
;�Pervious CN � 98.00 �DC CN 86.00 '
,---- --._._-- -: — _ _ _ _
'Pervious TC 5.00 min DC TC 5.00 min
r----------- - _._�_ . .___ .
�------------- —
'� Pervious CN Calc
� _ __
' �— Description � SubArea Sub cn
;,------------ _
• Impervious surfaces (pavements, roofs, etc) 0.14 ac 98 00
. _ _ __ . _____-----_ --- _ _, _
----
I Pervious Composited CN (AMC 2) ` 98.00
. - -- - - - -- -
�'--- _ _ .�. . _.____ _____ _
-
-.____----- -_ _--- _
�r-------
'� Pervious TC Calc
,i
� ___----- ----- -- _ .
!�� Type ; Description �Length j Slope � Coeff Misc TT
�-------------------
E� � I IFixed _-J -- — �5.00 min 1
� ,
-- ----- —�
—--------- -- --- : _
�^� f, Pervious TC � 5.00 min l�
_ --- -_ __ . _ _ _ _ _
r-- _..,. ._... . __. _ I
�-- � Directly Connected CN Calc !
___ ___
Description SubArea Sub cn
------- -
�� Open spaces, lawns,parks (>75�Io grass) 0.14 ac 86.00
I ,�------- ---
i� DC Composited CN (AMC 2) 86 00 �
_ __ _ _ - - �
� _ __ _-- . . _ _.. .. _ _ -
;;--------
;; Directly Connected TC Calc
�_� __ _ _ _ _ . ;
�, Type ; Description � Length Slope i Coeff Misc TT
� - -�- - �
�----- r---- - ��
!ied ' � ___--------- ___--- . __ . �5.00 min __ i i
�! Directly Connected TC S.00min 1�
� ;��------------ _ _ _ _ _ .--
Record Id: cb14
_-------------, �- ,
Design Method � SBIJH Rainfall type � TYPEIA j
-------- -
_ - --
, ,Hyd Intv � 10.00 min Peaking Factor �484.00 )
� iAbstraction Coeff 0.20
---- -- -
_ _
(Pervious Area i 0.46 ac �DCIA �0.30 ac
.
i rPervious CN i 98.00 �DC CN j 8b.00
_ . _ _ __
jPervious TC � 5.00 min DC TC � 5.00 min
__ __ _. _ _ __ . _
�--- _ _ �_ _ _ - -- - - � -- - --_
Pervious CN Calc
-- - — ___ ___ _ _.,�
� Description SubArea ' Sub cn
_-- --- -- ---- --- ---
i� Impervious surfaces (pavements, roofs, etc) � 0 46 ac 98.00
� -- -
_ __- _ _ _
'� Pervious Com osited CN AMC 2 98.00
;� p -�- - -�-->-- _ _ _ _ _ �
____ -----
_ __� ___ _ _ --- _ _._.
� ---- --
� Pervious TC Calc �
_ -- -_ -- --- - -
--� ----------
Type Descriphon i Length ' Slope �Coeff Misc � TT
,. ______ -___.__.___ __._-._._-_-__.__.-. t__-_______-_ .__---__ _�_ . . _ . __ . (
jFixed ;5.00 min (
!,---- ----_---------- --�- - � ��
' Pervious TC ' S.00 min �
;�
�--
--_----- : �
� �
'; Directly Connected CN Calc
��------ -- -
;; __ _ _Description SubArea Sub cn i
�; Open spaces, lawns,parks (>75% grass) 0.30 ac 86.00 �
� ---- - --
�� DC Composited CN (AMC 2) � 86.00
_ _ _ _
�— _ _._ ---_ _ _
�� ---TlirP�tiv ('nnnPrtPr� T�' f alt�
, - --_
i � , Type i Description Length Slope ; Coeff Misc TT
� - - -_ ���;_�.>;_�_ -- -_
__ _ __----_ ______ ___ _- ___.�_�_
Fixed � 5.00 min
� _ ___ _ _. _ _--- -- _ _
_.
�- _ --- - --- -- -- - --- - .
-- __
� �;Fixed ! 5.00 nun
!' � Directly Connected TC S.00min
j� _ _._ ___ -------___.__. _ __ _. __ _ _
Record Id: cb15
_ ____------ ------�--- ---r-- -- ---- —
'Design Method SBUH IRainfall type ' TYPEIA �
:Hyd Intv i 10.00 min Peaking Factor 484.00
� �Abstraction Coeff 0.20
=--------------- —
iPervious Area � 0.13 ac �DCIA � 0.08 ac '
;Pervious CN 98.00 � iDC CN 86.00
iPervious TC 5.00 min DC TC 5.00 min
------
-- _ _ _ .__. . _ _ __ - - _
------------------- Pervious CN Caic I
: ------ _ _
� Descr�ption __ _SubArea Sub cn i
�--
_ _- __
.' Impervious surfaces (pavements, roofs, etc) _ 0 13 ac ; 98.00
' ; Pervious Composited CN (AMC 2)` ----- i'_" _--- -- _:__ 98.00_ _
!: Pervious TC Calc
� � YP - - - _ - - --- -
;–T e '. Description Length 'i Slope Coeff Misc ; TT
Fixed �5.00 min
Pervious TC j 5.00 min
Directly Connected CN Calc
Description SubArea Sub cn
�; Open spaces, lawns,parks (>75% grass) 0.08 ac 86.00
i' DC Composited CN (AMC 2) 86.00
Directly Connected TC Calc I
' Type Description Length i Slope j Coeff Misc � TT
----
,;Fixed � �5.00 min
Directly Connected TC � S.00min
Record Id: cb16
------ --------�-- I
Design 1�lethod j SBUH jRainfall type TYPEIA
Hyd Intv ' 10.00 min ;,Peak n�g Factor � 484.00 ;
; ----- - _ i
�`"'Ra � _ __; _ Abstraction Coeff __ 0.20
�� - -r-----�
� � �Pervious Area j 0.52 ac �DCIA f 0.34 ac I
f
;Pervious CN � 98.00 �DC CN � 86.00 �
IPervious TC i 5�min DC TC 5.00 min
_.
� Pervious CN Calc
__. _
� Description SubArea Sub cn
__ ___ - _ _
� Impervious surfaces (pavements, roofs, etc) � 0.52 ac 98.00 ,
_ __ ,
i f Pervious Composited CN(AMC 2) 98.00
_ _ _ _ _ ---_. _ .
� -- — _ ._ _,
r-------
I; Pervious TC Calc
��-- _
� Type Description Length Slope Coeff Misc � TT
Fixed ; 5.(}0 min
��---.- _ .. .._ -_ _ _ _ _ .
Pervious TC i 5.00 min
Directly Connected CN Calc
Description SubArea Sub cn ,
' Open spaces, lawns,parks (>75% grass) � 0.34 ac �6.00 i'
DC Composited CN (AMC 2) 86.00 �
Directly Connected TC Calc
I�-------
'I Type ' Description �Length � Slope Coeff' �1�Iisc ; TT
Fixed � 15.00 min
'j Directly Connected TC S.00min
Record Id: cb17
---- -- -,
Design Method SBUH Rainfall type TYPEIA �
-__�----- — -
Hyd Intv I 10.00 min aPeaking Factor 484.00
_ _ ___ --- -----' ---- I
' 'Abstraction Coeff �; 0.20 �
---- ------ - -
Pervious Area � 0.07 ac ,DCIA � 0.05 ac '
Pervious CN � 98.00 ;DC CN i 86.00
__ ___----------- ' �------
Pervious TC 5.00 min IDC TC ; 5.00 min
Pervious CN Calc
�; _ Description � SubArea Sub cn
I; Imnervious surfaces (oavements. roofs_ etcl _ ; 0.07 ac 98.00
i, _ .
, -_ . _. _ _ _
_ _ _ _ _ _ _ _._ _ _ _ _--_
_ _ _.. _ __ __ _ _- --_
� Pervious Composited CN(AMC 2) 98.00 �
�: .� _ _ _- ---�- - - - - . _. ___
_ _ _ _ ____--.-- __ __-_ _----__ _ ._
� Pervious TC Calc
;j Type Description Length � Slope Coeff l��tisc j TT ,
f�Fixed -----------i �5.00 min I
�---- ---- -----
;i __ _ Pervious TC_ 5.00 min {
� _. ---- --- ---------
� Directly Connected CN Calc Ij
--_ _ ._ _ (
�� Descr�phon SubArea Sub cn
�� � I
�� Open spaces, lawns,parks (>75% grass) � 0.05 ac � 68 00
j�----- ------ -- —
i; DC Composited CN (AMC 2) � 86.00
r-,==--------- -_— ----- --- _
;; Directly Connected TC Calc
i j Type '; Description Length ; Slo e Coeff Misc TT
P ��;
��Fixed f5.00 min
�
� Directly Connected TC � S.00min -
Record Id: cb18 '
'Design Method j SBLTH �Rainfall type TYPEIA
Hyd Intv ' 10.00 min jPeaking Factor 484.00
j :Abstraction Coeff 0.20
Pervious Area 0 16 ac ;DCIA 0.11 ac
Pervious CN ` � 98.00 'DC CN 86.00
;
Pervious TC , 5.00 min ;DC TC ^i 5.00 min `i
� __ __-____--------------- — Pervious CN Calc ,
i
^ Description j SubArea j uS b cn
; Impervious surfaces (pavements, roofs, etc) 0.16 ac 98.00
Pervious Composited CN (AMC 2) i 98 00
I Pervious TC Calc
�� Type Description Length : Slope �f �Misc � TT
---- -- -----------
Fixed 5.00 min
,--
_ _
' Pervious TC 5_00 min
� _ _ _-�-- - -
ilirvrtiv r'nnnPrtPrl f N ('alt�
� � Description SubArea Sub cn
.�
_ _ _ _ ___. _ ._ _ _ ....---.___ _ _
' Open spaces, lawns,parks (>75% grass) 0.11 ac 86.00
,----------- -- ---� '
�� �j Open spaces, lawns,parks (>75% grass) �0.11 ac 86.00 �
t` � _ �
�" ��— DC Composited CN (AMC 2) 86.00 '
---- -- ---- _ - --------- _ . _
--- --- --- --- -- - I
j� Directly Connected TC Calc
(j Type Description ! Length I SI p� Coeff Misc � TT
��-- ------- ----�- .
�}Fixed ; 5.00 min
i�— Directly Connected TC { S.00rru� il
Record Id: cb19
__---___ _ _
�Design Method ; SBLTH �Rainfall type TYPEIA
----- �---
';Hyd Intv � 10.00 min Peaking Factor : 484.00
; �Abstraction Coeff 0.20
-r----
Pervious Area 0.29 ac iDCIA 0.19 ac
`Pervious CN ! 98.00 ;DC CN 86.00
r-- -----�--
Pervious TC ; 5.00 min jDC TC 5.00 min ,
'� Pervious CN Calc I
�.� � �— --- — �—
;! Description : SubArea � Sub cn
Impervious surfaces (pavements, roofs,etc) 0.29 ac � 98 00
j; Pervious Composited CN (AMC 2) , 98.00
�! Pervious TC Calc
�� Type � Description Length � Slope Coeff Misc i TT
;: ,
I'Fixed �5.00 min
;� _ _ _
Pervious TC 5.00 min
Directly Connected CN Calc
, ___ --- --------- -- —
Description �SubArea Sub cn
___--- -- ------- ---------------------- �
Open spaces, lawns,parks (>7�% grass) � 0.19 ac � 86.00
� DC Composited CN (AMC 2) 86.00
Directly Connected TC Calc
_-------- --------- �--
Type Description j Length � Slope ! Coeff Misc ; TT
''Fixed— - ----- � �5.00 min
Directly Connected TC j S.00min
�� � -
Record Id: cb20
�------------------
-- — ___ _ —
IDesign 11-Iethod ; SBLTH �Rainfall type �YPEIA �
___ _ �
;
,Hyd Intv ( 10.00 min Peaking Factor 484.00 ;
__ __ -- f
� ( �Abstraction Coeff ,r 0-20
- ___ �
:Pervious Area 0.45 ac ,DCIA � 0.03 ac ;
Pervious CN ' 98.00 :DC CN 86.00
,
�
�
_.-------_ ____ -__ - ------ ------- --------- - i
Pervious TC �.00 min 'DC TC � 5.00 min
---— --------- ---- — �
___ ----------- --------- ---------- --- — ,
Pervious CN Calc 'I
' ------ ----------- —�j
Description ' � SubArea : Sub cn ;i
Impervious surfaces (pavements, roofs, etc) ; 0.05 ac i 98 00 �
�; Pervious Composited CN (AMC 2) �98.00
�� Pervious TC Calc
;� !
'` Type '^ Description Length Slope � Coeff i�—Misc i TT �
� ;;Fixed ' �5.00 min
;j Pervious TC ' S.00 min
; _ _ __ .._ :
_ __ ___ _ ._ .. _ ._
�-- -- _. __ _ _.
_ _
;j Directly Connected CN Calc
; _ ;, _ __ ____ _ _
. ---—
�; 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 Calc _�;
I Type Description j Length ' Slope � Coeff j Misc TT j i
;Fixed-------- --- 'S.00 min j�
;------- --------- �
�
___ _ Direct ly Connecte d T C �S.O Omin�i
Record Id: cb21
IDesign Nlethod SBIJH :Rainfall type TYPEIA i ��'
--- --- -- —-�
;Hyd Intv i 10.00 min iPeaking Factor 484.00 '
(Abstraction Coeff � 0.20 I �
�--- —
�Pervious Area ; 0.03 ac �DCIA 0.o2 ac
__ ;Pervious CN � 98.00 jDC CN 86.00
: !Pervious TC 5.00 min `DC TC 5.00 min
�
_-____ _-_____ _"_----___ _""'--_- '____--.__-_- ____"-'._._."_--_"_-_--_'__�
� �� Pervious CN Catc -------_._----------------:'
�` -- ---- ---------- ------��
�'�� Description SubArea ^ Sub cn ��
' Impervious surfaces (pavements, roofs,etc) 0.03 ac � 98.00 ;� '�
� � Pervious Composited CN (AMC 2) 98.00 ' I
'_ - _ _.- - _ _- ' ,-. _'J 1 I
r{ __ _ _ i
'" Pervious TC Caic 'i
�; r �i
' Type ; Description j Length : Slope ? Coeff 11��1isc TT �;
: _ , __-- ---- ;
i'Fixed ; �— I5.00 min i�
�= - --;1
�' Pervious TC 5.00 min ��
;_--- -- -- ---- '
— - — -----
;;
_ _ ___
� Directly Connected CN Calc
�:
�;- Description � SubArea � Sub cn
;. - --
1; Open spaces, lawns,parks (>75% grass) 0.02 ac ; 86 00
__ _ t
DC Composited CN {AMC 2) 86.00 ,
: I
�i Directly Connected TC Calc �`
' Type ' Description ,L ne tg h Slope '-Coeff � Misc TT ;�
� -------- -------------------- ------- ----- �i
Fixed , � �.00 min �i
' - -------------- --I�
Directly Connected TC S.00min�
l � �: ---�
i - -- -
Record Id: cb22
:Design Method SBITH ;Rainfall type j TYPEIA �
;Hyd Intv � 10.00 min jPeaking Factor 484.00 '
I Abstraction Coeff ' 0.20
_ �Pervious Area �0.01 ac DCIA � 0.00 ac �
Pervious CN 98.00 �DC CN j 0.00
'Pervious TC � 5.00 min jDC TC , OAO min
Pervious CN Calc I
---- ------------- --— ----- - (I
Description I SubArea ' Sub cn �i
------ i
: Impervious surfaces (pavements, roofs, etc) 0.01 ac � 98.00 j�
` Pervious Composited CN (AMC 2) � 98.00 ��
-___�_ _ _'j �
__ _ _ Pervious TC Calc _ _ __ �
�� Type ; Description Length : Slope � Coeff lb�isc ; TT
�
� Fixed ; � ;�.00 min
Pervious TC I 5.00 min
� � I
� _ __ : __:_ _ - �
Record Id: cb23
�Design Nlethod � SBUH Rainfall type ; TYPEIA �
jHyd Intv 1 00 0 min jPeaking Factor ;� 484.00 �
------ -- -=— ---------------___ (
j �Abstraction Coeff r 0.20
----------- -------' -------r-- -------- '— —;
IPervious Area � 0.40 ac iDCIA 0.26 ac
�---------
;Pervious CN ^ � 98.00 �DC CN ; 86.00 ;
—�----------
iPervious TC ' S.00 min jDC TC � 5.00 min i
- -- — �
�� Pervious CN Calc i�
I Description - SubArea ' Sub cn ��
Impervious surfaces (pavements, roofs, etc) 0.40 ac � 98.00
Pervious Composited CN (AMC 2) , 98.00
' ; -_ :
[i Pervious TC Calc
;� Type j Description Length j Sl p� C eo f�isc � TT I
; Fixed ; �5.00 min I
, — 1
i I Pervious TC � 5.00 min �
#' Directly Connected CN Calc �
'� Description SubArea Sub cn (
�� ��i
� Open spaces, lawns,parks (>75% grass) �0.26 ac � 86.00 ;�
�;
--------------- — — ----- --------- ----!1
DC Composited CN (AMC 2) � 86.00 ;j
--------�_----- - ----- -- -- ---=i
--------------------- -- ---------------------------------�
--------- ----------------��
Directly Connected TC Calc __;j
;; Type ' Description j Length ` Slope i Coeff � n�lisc ,' TT �{i
;�- --- -- -- —�i
i iFixed (--- 15.00 min �
�� ------ -- ---------- --
�; Directly Connected TC �.00min ;!
i�
Record Id: cb24
Design 11��ethod SBIJH Rainfall type TYPE 1 A j
r——
Hyd Intv 10.00 min Peaking Factor j 484.00
; Abstraction Coeff 0.20
- - ___ -__ ___ __ ._ _ _-- ---- ___--_ -,
�� Perv�ous Area _ ____ O.16 ac DCIA � 0.11 ac ;
IPervious CN , 98.00 ,DC CN ; 86.00 '
iPervious TC ( 5.00 min jDC TC i 5 00 im n �
�( — -�-__— -- - -- Pervious CI�T Calc
� � Description ` SubArea ; Sub cn �,�
� I-mpervious surfaces (pavements, roofs, etc) 0.16 ac i 98.00 ��;
'� _ __ _Pervious Composited CN (AMC 2) _ _ _ 98.00_J�
��— Pervious TC Calc
�,
i;--- - - ------ --- - - ��
�� Type ;- Description ( Length � Sl p� Coeff Nlisc j TT `�
Fixed � �5.00 min
. , . (
f�� Perv�ous TC ; 5.00 irun �;
Directly Connected CN Calc
!, Description SubArea Sub cn
'� Open spaces, lawns,parks (>75% grass) _ _ 0.11 ac j 86 00 i�
' � DC Composited CN (AMC 2) 86.00 ''
� Directly Connected TC Calc �
� �__ ;
��_~� �� Type Description � Length ; Slope ; Coeff �Misc ', TT �'.
, �
:�:;Fixed ---- -�--- — ;5.00 min
�� Direcdy Connected TC S.00min
Ilecord Id: cb27
Design n�Zethod ( SBLTH (Rainfall type ( TYPE 1 A �
�---
;Hyd Intv 10.00 min Peaking Factor � 484.00
i ; �Abstraction Coeff � 0.20 ,
;Pervious Area ' 0.03 ac :DCIA ; 0.02 ac
Pervious CN j-98.00 �DC CN , 86.00
� Pervious TC ; 5.00 min �DC TC 5.00 min
�� Pervious CN Calc _ I
� Description ' SubArea Sub cn ��
�� Impervious surfaces (pavements, roofs, etc) i 0.03 ac ': 98.00 ,I
��---- ---- --� —
�i Pervious Composited CN (AMC 2) ; 98.00
�J
,
,
_ ____ - -
— _ __ _.______.
(�1 1� _ _ __ Pervious TC Calc _
t� ►
- � Type '� Description �Length � Slope C�oeff � Misc TT
- - ' '
rFixed ; � I5.00 min
,— -
__ . _ _ __. . __._.... __ __ __ __
! Pervious TC 5.00 min
i
— _ _. _ _ ___-
� Directly Connected CN Calc
_.__ _ _
�;-- Description SubArea Sub cn
��� Open spaces, lawns,parks (>7�% grass) 0.02 ac 86.00
:-- ,----___ --------------- ---------
DC Composited CN (AMC 2) 86.00
___ ____ __.._ _ ---- --- _ __, -- ------ —---
Directly Connected TC Calc
_. _-- --- --
- ------ --- - --- ---- -
� Type Description Length ', Slope � Coeff I 11�Iisc ; TT
',Fixed ; j i5.00 min
��--- --
�1 Directly Connected TC ! S.00min
� Record Id: cb28
;Design Method � SBLTH �Rainfall type TYPEIA �
� � ;Hyd Intv 10.00 min jPeaking Factor 484.00
_ -_ __
� Abstraction Coeff 0.20
Pervious Area j 022 ac DCIA 0.15 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) 0.22 ac ; 98.00
Pervious Composited CN (AMC 2) 98.00
------- - ---— -- - �,
Pervious TC Calc
._" __r.-_------_-
' Type � Description � Length Slope � Coeff j Misc : TT
�Fixed � � �5.00 min
i I Pervious TC ; 5.00 min
" Directiy Connected CN Calc
_ _, _ -
!� Description SubArea Sub cn
:�� __ _ _.
� �( Onen snaces. lawns.oarks h75% �rassl � 0.15 ac 86.00
— ------
_ _ _._
---— ----- --- — _ _ _ _ _
� DC Composited CN (AMC 2) �86 00
-- -
- - __ �--
- - ---._ .__ _
�;-----
--------------------------
j � Directly Connected TC Calc I
-- _ _ __----- ---------- - --
Type Description � Length Slope � Coeff M�sc � TT `
��
___ _-- _ -- ----- � ' i
jFixed j ;5.00 min - ''
-----------------------. -------
'i
Directly Connected TC ! S.00min �;
- -_ - - -- -- ------ -- ---
_ - __ _---- -------- --- --�
Record Id: cb29
!Design l���ethod SBUH Rainfall type TYPEIA �
. _ _ _ _.� _ -
�------- ------------- --
jHyd Inh� ; 10.00 min �Pea g Factor ` 484.00
� ( Abstraction Coeff ; 020
: _ ---------_.--_____ __ _ _
-------- ,
;Pervious Area j 0.19 ac DCIA j 0.12 ac
,Pervious CN 98.00 DC CN 86.00
, _-- - --- - ---___._�� _ _- - _ _ . .
- iPervious TC 5.00 min DC TC ; 5.00 min
: _ .__ _ _ ..__. _ _
�- _ - . _ - -__.. .._ � -__ __
Pervious CN Calc
� �� l
� Description � SubArea ; Sub cn �
� _------ -- ___ _----_ _ _ __ _ __---------- - �— r---I
� �
' Impervious surfaces (pavements, roofs, etc) � 0.19 ac j 98.00
; ' , �,
� --
,..__ -___._..______.__- — �
II Pervious Composited CN (AMC 2) � 98.00
� - ---
- __
,- -- _._ _.__ _ _ ___
',� Pervious TC Calc
� Type ' Description Length ; Slope Coeff Misc ! TT
� �!�Fixed 5.00 min
�
j Pervious TC ; 5.00 min
�---
_ __
r --- -
. ... .. . ... . ___... __ ...
��— Directly Connected CN Calc
, --- ------- -
_ __ __
;i 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 j Length ' Slope Coeff Misc j TT
;-----___ _ _ _ ---- _ _-- --�-------- — -
v Fixed i j5.00 min
�� ' �� Directly Connected TC ' � ��n,in
�{.
Itec�►r�� I�1: cl►3
Design 1Vlethod _� SBUH �Rainfall type TYPEIA
� ------ ----- —
_ -- -- _ __. -
;Hyd Intv i0 00 min Peaking Factor 484.00
�Abstraction Coeff 0.20
---------
___- - __.---- . __. _
jPervious Area 0.04 ac �DCIA ! 0.02 ac
�----------
_ _ __------------ -- � - - .__ ._ ___
�Pervious CN �98.00 jDC CN I 86.00
------------ --
_ -,---._ _ _ _ ___ ____
Pervious TC � 5.00 min �DC TC 5.00 min
------_-------- ------
,:
Pervious CN Calc
;._---- _ _ _ _ _. __ __ _
�; Description ; SubArea � Sub cn
-- -- -------- -
-
;; Impervious surfaces (pavements, roofs, etc) ; 0.04 ac 98.00
;! Pervious Composited CN (AMC 2) 98.00
� Pervious TC Calc
-- _ __--- - ---- ------ -
Type Description , Length ! Slope Coeff �Misc �' TT
�`----------------------- ' - -
i=Fixed f ;5.00 min
;
�------ _
Pervious TC I 5.00 min
-- _ _ _ --_. : , _ - -
' _._ _ ._ .
Directly Connected CN Calc
_ _ .
Description SubArea Sub cn
-- _ ------- -
_. __ _
� l I,; Open spaces, lawns,parks (>75% grass) 0.02 ac 86.00
1 , -__ _
�� `� DC Composited CN (AMC 2) 86.00
;�--
_ _ __ ___ ___--- _ _______ _
�j Directly Connected TC Calc
_ _ - - � -- _
�; Type ' Description Len th , Slo Coeff Misc TT
� � � g , P ��
��Fixed ; 5.00 min
,�_ _.___ - ___
;� Directly Connected TC S.00min
R��cut�tl I�L• cl�.i,
-------.-- ----__ _ _-_ ---
_ _ _--- - -- , -----_ --
Design Method ; SBLTH ;Rainfall type i TYPEIA ,
— - ---
�Hyd Intv 10.00 min IPeaking Factor 484.00 '
_ __._ . ___ ;
� Abstraction Coeff 0.20 '
Pervious Area ; 0.21 ac ,DCIA 0.14 ac �
;Pervious CN 98.00 DC CN 86.00
�__ _
'�� �Pervious TC 5.00 min �DC TC S.00 min
i � �` -- —-- _ PPrvinnc (°N ("alr- ---- --: _._;: �_: .._ = i i I
J I
------ _ __ ___ -- __ __- __ _____ __.
-<--, i�- --- _ _ .._ ._ _ -- - -._ _
� � !� Description + SubArea Sub cn
:: r ; ,
r _
Impervious surfaces (pavements, roofs, etc) I 021 ac � 98.00
; -- ._
Pervious Composited CN (AMC 2) � 9 0
___-----------
Pervious TC Calc
----- ----- ---
_ __
Type Description Length ' SI p Coeff j M i TT
Fixed � ;5.00 min
! Pervious TC 5.00 min ;
"_'_ J
_..___
,...-_-'____ __ !
Directly Connected CN Calc I
_ _ _ �
Description SubArea Sub cn
_ -- __ _ __ _
� Open spaces, lawns,parks(>75�Io grass) , ; 014 ac 86A0
,, __ _ _ _� - _ ____ _
; DC Composited CN (AMC 2) 86.O0
�
_ __ __ ____ — __ _ __ -__._ _. ___. _
f- ____ __._ --- _ _.__.___-------.--- _ _. _____ _-------- ____ .
Directly Connected TC Calc
---
___ __ _ _ __--_ _- ---, -- _- __-- --._ __
Type i Description Length Slope ; Coeff Misc � TT
----- .--
__� _ . __ _ _ _ __ _ _.. __ _
' Fixed '.5.00 min
Directly Connected TC S.00min
Record Id: cb33
-------- --------, ____ - —,
Design Method SBUH Rainfall type TYPEIA �
'Hyd Intv ; 10.00 min IPeaking Factor j 484.00 I
, ! �Abstraction Coeff ; 0.20 '
Pervious Area � 0.34 ac DCIA j 0.22 ac
- - :
_------ .
;Pervious CN 98.(?0 DC CN � 86.00
__ _ _
jPervious TC S.00 min DC TC � 5.00 min '
__ _. i
Pervious CN Calc
, _____ _ _ _ j
__
Description ; SubArea j Sub nc '
,-- _ _ . _ _ : _
� Impervious surfaces (pavements, roofs,etc) i 0.34 ac ; 98.00
__� - -
� '
Pervious Composited CN (AMC 2) 98.00
_ �__
_ _ __ _ ____ _ _ � _ ,
.---
__-... _ ___ _.. ._ __. _.
Pervious TC Calc
�-__---------- - _
Type Description Length i Slope Coeff Misc , TT �
----------� -- 1
;Fixed � �5.00 min ;' I
_ ____----------------- -;
Pervious TC 5.00 min
-^-.J . . . . :.���
�
__._._ ._.�...� . ... �.�. .___ _.__.- _._._. _. ..... .,_._� _. _ .___._"._.
�.. - ._... __... . .. ...._ .. ......_._ ..__... _...._�._ '._... . .__.__ _.,._ _.._..__ ...___ __ ...
�, Directly Connected CN Calc
� � ___ __.
�, Description SubArea Sub cn
_ _
Open spaces, lawns,parks (>75% grass) _ �0.22 ac � 86 0
� .
� DC Compasited CN (AMC 2) 86.00
_ ___ _ ___---__ -------•-- - i
� Directly Connected TC Calc
_ - ----.. _- --- - _
_ _ . __ _. _-�
�; T p':, Description Length � Slope Coeff _M�sc TT _
1�Fixed �.00 min
- _ __ _ _ I
;_- _
Directly Connected TC ! S.00min
Record Id: cb34
'Design Method j SBtTH Rainfall type i TYPEIA '
� -- _
;Hyd Intv �0.00 min Peaking Factor 484.00
, Abstraction Coeff 0.20
' ;Pervious Area � 0.10 ac ;DCIA 0.06 ac
iPervious CN i 98.00 jDC CN _ �86.00 I
; �Pervious TC 5.00 min (DC TC 5.00 min
Pervious CN Calc
� __ _ _ __
Description � SubArea Sub cn
_ _ . _-
IImpervious surfaces (pavements,roofs, etc) 0.10 ac 98.OQ
I� Pervious Composited CN (AMC 2) 98.00
, � Pervious TC Calc
^ T e � Descri ti n L n th lo e oeff Misc ' TT
YP P � I e g S P �C �—,
;�Fixed -- ------- � -- �5.00 min
�i— Pervious TC i 5.00 min — �
�------- ` i
'r------- ---- - - - ---- �f
!;
Directly Connected CN Calc 'i
j;� Description � S bu Area Sub cn !
;�-------- -------
Open spaces, lawns,parks (>75% grass) 0.06 ac ( 86.00
� DC Composited CN (AMC 2) 86.00
I I Directly Connected TC Calc
, _
`�Type Description Length � Slope Coeff Misc � TT
� _ _ _ _
Fixed � �5.00 min
-- --- — - — _ _-
_ ___ _ _ _ _ .__
� � Directly Connected TC � S.00min I
Record Id: cb35
.-—---- ---- -------------- — �
r--
;Design l�tethod � SBUH iRainfatl type � TYPE 1 A '
:Hyd Intv ; 10 0 im0 n �Peaking Factor � 484.00
Abstraction Coeff i 0.20
;Per��ious Area j 0.26 ac DCIA i 0.18 ac
(Pervious CN � 98.00 �DC CN r 86.00
r--
jPervious TC j 5.00 min DC TC ; 5.00 min
1i
Pervious CN Calc �
Description SubArea ; Sub cn
_ __ _
� Impervious surfaces (pavements, roofs, etc) 0.26 ac 98.00
i Pervious Composited CN (AMC 2) 98.00
, ; . _ - = _ ._ -=
�' Pervious TC Caic
; Type ' Description ; Length ', Slope ; Coeff Misc ; TT
, --. __ __ ___ _—------�— --------- ------ —.
Fixed i 'S.00 min
Pervious TC 5.00 min
�
' Directly Connected CN Calc
Description �SubArea Sub cn
Open spaces, lawns,parks (>75% grass) 0.18 ac 86.00
DC Composited CN (AMC 2) 86.00
' Directly Connected TC Calc
! Type ^ Description �Length j Slope � Coeff I Misc ' TT
'�Fixed - ----- --�-- ;SA�O min
;_`---
Directly Connected TC � S.00min �
Record Id: cb36
Design Method __ SBUH ;Rainfall type TYPElA I
Hyd Intv �10.00 min �Peaking Factor 484.00
IAbstraction Coeff �-0.20 I
. J
- - -
- -- --�--- ---:
_ - --- -- -
� Pervious Area � 024 ac jDCIA ( 0.16 ac �
�Pervious CN ____i— 98.00 jDC CN 86.00 I
;Pervious TC � 5.00 min �DC TC �.00 min j
--- _.. ;
_ _ __ -- _ _
Pervious CN Calc �
�---
- -- __-- __
;( Description SubArea �Sub cn
j�-- ___ _ _ - _
-----
Impervious surfaces (pavements, roofs, etc) 0.24 ac 'I 9 08 0 �
___ _ _ _ _ _ _ ,
(� Pervious Composited CN(AMC 2) 98.00
--- -
____ — _ _ _ , _. . : _ _ I
�- __ _..- -..,-- ------- _
_' Pervious TC Calc I�
� _------------- ----------- ---- --- - -
{; Type Description ( Length Slope Coeff Misc ; TT
;---- _---- �------- -
�lFixed ; �5.00 min
� ' =----- �
i _ _ Pervious TC � 5.00 min �
�
�----- ---- -_ _ ;I
`,i Directly Connected CN Calc j
i�------------------------- -- - --r (I
�' D e s c r i p t i o n S u b A r e a j S u b c n
- - I�
Open spaces, lawns,parks (>75% grass) 0.16 ac 86.00 j'
� DC Composited CN (AMC 2) 86.00 I
_
j Directly Connected TC Calc �t
�/� I�Type Description � Length ' Slope Coeff Misc ; TT
�---- —'
(Fixed j5.00 min
`� Directly Connected TC j S.00min
�--
Record Id: cb37
-- -._----------------__:--- --
�Design Method ' SBUH ;Rainfall type TYPElA
---- -- --- -------— - - ------- --�---
'Hyd Intv 10.00 min 'Peaking Factor j 484.Q0
-- -_ ------------------------------._---- �
Abstraction Coeff j 0.20 �
Pervious Area 0.04 ac �DCIA � 0.02 ac �
;Pervious CN 98.00 !DC CN � 86.00 I
;Pervious TC � 5.00 min iDC TC � 5.00 min
i--- — ------
--
i� Pervious CN Calc
;�----------- -- - �--
�; Description '�SubArea � Sub cn I
�; Impervious surfaces (pavements, roofs, etc) ' 0.04 ac � 98.00
j Pervious Composited CN (AMC 2) � 9 08 0
_ _ _
+ , I --- ----
t! � -� __._. _ : _.. .
1
_ _. _ __
_ _�. � _- --- - ... __ _ � �
�� Pervious TC Calc I I
Type : Description , Length � Slope ! Coeff Misc � TT i j I
--- ---------�-------=— ' --, -----i;
� Fixed ; �5.00 min ;;
�t--- --------- ----------- ----�I
�; Pervious TC j 5.00 min �I
-- — — ------- '
j Directly Connected CN Calc __ y� '
� _ _ Description � SubArea � Sub cn'j!
Open spaces, lawns,parks (>75% grass) Q.02 ac 86.OQ �
__I�
�j J DC Composited CN (AMC 2) � 86.00 i;
�--- --------- — —
�
� ` Directly Connected TC Calc �
Type Description � Length �Slope � Coeff Misc j TT �
Fixed _'.— _ _ 5.00 min
Directly Connected TC S.00min (
, Record Id: cb38
_ _ __ _ _ _ '
� -- ;Design Method , SBUH �Rainfall type TYPElA j
� _ j jHyd Intv 10.00 min ;Peaking Factor 484.00 1
� ;Abstraction Coeff � 0:20
IPervious Area � 0.21 ac �DCIA � 0.14 ac ,
�
�Pervious CN . 98.00 �DC CN ; 86.00 ; �'I
IPervious TC ; 5.00 min 'DC TC � 5.00 min i
--------------- ---------- -�
i� Pervious CN Calc ,
Description ! SubArea Sub cn I ��
� � � � �
�— Impervious surfaces (pavements, roofs, etc) ; 0.21 ac � 98.00
(�— Pervious Composited CN (AMC 2) 98.00 ;i
r--- - —
;�--------- ------ - — '
�i _i �_ Pervious TC Calc '.
;;
� T e Descri twn Len th � Slo e Coeff Misc TT '!
�� YP P � g ' P ��� __ — I
��Fihed---, -- �----- i5.00 min �
_ __ �_ __ _
I ,�— Pervious TC � 5.00 min
_- _ �
� — ..__ _ -
'1 Directly Connected CN Calc �
a i--- - ;
�; Description SubArea Sub cn ;
� —----- ---- --------- _.._, _--- ---- — - ,
�' � �, Onen soaces. iawns.Darks (>75% erassl � 0.14 ac 86.00 �;
'--�-- ---- --. -- ----------- -- �
----- � -,�
� � DC Composited CN (AMC 2) � 86.00 �;
;
? Directly Connected TC Calc �i
i Type Description � Length ^ Slope Coeff_j_ Misc___TT _i;
iFixed ��---_ �.00 min ��
I
� Directly Connected TC ; S.00min
. _ -- �I
Record Id: cb4
r------- -------,--- --�
;Design Method � SBtTH _;Rainfail type __� TYPEIA I
;Hyd Intv _ ; 10.00 min �Peaking Factor 484.00 i
� :Abstraction Coeff 0.20 �
�Pervious Area � 0.03 ac iDCIA � OAl ac _r
�Pervious CN , 98.00 �DC CN � 86.00 E
Pervious TC j 5.00 min ;DC TC , 5.0 rmn0
;� Pervious CN Calc 'I
�r--------------- ----- - ------- --------;- -'�
� Description SubArea � Sub cn �
� l Im ervious surfaces (pavements, roofs, etc) { 0.03 ac 98.00
� P . �
j � Pervious Composited CN (AMC 2) 98.00
j _ _-
Pervious TC Calc
Type ; Description Length i Slope Coeff Misc i TT
Fixed ; �5.00 min
�� Pervious TC 5.00 min
� Directly Connected CN Calc
;i Descriptian � SubArea Sub nc ±
�
�;- --------------_--------- --- ` -- i
�� Open spaces, lawns,parks (>75% grass) �- 0.01 ac � 86.00 ,I
�;--------------- -- - -------r-----;i
i� - _ DC Composited CN (AMC 2) j 86.00__J�
�_----___--------- - - - ----
;; Directly Connected TC Calc `,�
;�------- --__-------- � - -------- �
i; Type Description � Length � Slope j Coeff ; Misc TT ��
,
; ,
i,Fixed ------- ----�-_ ------ �.00 min i
�r^ Directly Connected TC ; S.00min �
I �
l
Record Id: cb44
�`� rDesign Method �SBUH Rainfal! type �TYPEIA i
l I — (
- ;Hyd Intv , 10.00 min ,Peaking Factor i 484.00
� j�— jAbstraction Coeff j 0.20
;Pervious Area �0.16 ac �DCIA � 0.00 ac
;Pervious CN I 98.00 �DC CN ' 0.00
----------------- --�----_.�._____ ------------- ---------
�Pervious TC ; 5.00 min DC TC ; 0.00 min
� -- ' ----------__.:.-------- ----------- - -i
------------ ----- ------ - --------- ------
;: Pervious CN Calc �;
:;
� -- -- --- -------------------------- ;
� Description ' SubArea Sub cn j
� Impervious surfaces (pavements, roofs, etc) ' 0.16 ac ; 98.00 !' '
_r_'_ ��
Pervious Composited CN (AMC 2) ; 98.00 ;�
Pervious TC Calc
� Type i Description r Length ; Slope i Coeff ,isc TT �
- --=------ --
Fixed � � !:5.00 min
, ,
!' _ _ Pervious TC 5.00 min ��
---- — -- ----- -----------
,
- Record Id: cb45 '
�-=� -- ---- — — -- ------
;Design Method SBLTH <Rainfall type TYPEIA i
�� !
;Hyd Intv __ __ _' 10_00 min _'Peaking Factor __ _� 484.00 I '
': ;Abstraction Coeff ' 0.20 �
�--___-------------,— ---; -- �— —;
!Pervious Area ; 0.07 ac jDCIA _ '. 0.00 ac '
----- -- r-- -------- - ----------
iPervious CN i 98.00 ;DC CN ' 0.00
i , �
'
�Pervious TC � 5.00 min iDC TC ; 0.00 min �
r-- - ---i,
'� Pervious CN Calc
�`- -- — - --- - - �i
'�j Description SubArea Sub cn i i
I;--------- - ------- --------- ------i i
�� _ Impervious surfaces (pavements, roofs, etc) � 0.07 ac r 98.00 �
,� Pervious Composited CN (AMC 2) I 98.00 I
� Pervious TC Calc
�
', Ty ep � Description Length Slope Coeff Misc � TT
? Fixed � '•5.00 min
;i- Pervious TC 5.00 min
— �
� �
i
--� Record Id: cb46
f)
" --�
�Design Nlethod _ SBLTH __;Rainfall_t��pe _ _ j TYPEIA �
iHyd Intv '; 10.00 min iPeaking Factor 484.00 �
� � 1Abstraction Coeff � 0.20
�Pervious Area j 0.13 ac ;DCIA � 0.00 ac
;Per o�v us CN r 98.00 �DC CN 0.00 i
�Pervious TC 5.00 min !DC TC � 0.00 min i
� — —_ -- -��
I, Pervious CN Calc ,(
Description � SubArea Sub cn I
Impervious surfaces (pavements, roofs, etc) ; 0.13 ac � 98 00 �
IPervious Composited CN (AMC 2) 98.00
--i,
�; Pervious TC Calc _{�
`r Type '^Description i Length ; Siope `: Coeff Misc TT �I
— �
'Fi xed --— ----� ------------ 5.00 mi n �
' : -- ------ - ; --��
_ — Pervious TC ; 5.00 min�
� `�
Record Id: cb5
iDesign Method SBLJH �Ra fani 11 type TYPEIA �
+Hyd Intv 10.00 min ;Peaking Factor ' 484.00
�— � iAbstraction Coeff 020 �
;Pervious Area 1.43 ac �DCIA 0.95 ac
iPervious CN 98.00 DC CN 86.00
;Pervious TC 5.00 min 'DC TC r 5.00 min
r-- - —=— ----
,
� Pervious CN Calc !
;
„
�----- ---- ------------___-----
__ —----------�------- �
Description SubArea Sub cn �'
'------- ------ ---------—---- ------— ---------- !
i' Impervious surfaces (pavements, roofs, etc) , 1.43 ac 98.Q0 j;
��-�------------ - — - �
� Pervious Composited CN (AMC 2) 98.00 ��
------------- ----- ----J i
��� Pervious TC Calc i�
� Type I Description Length ! Slope �Coeff � Misc � TT
Fixed j 5.00 min
��_ Pervious TC j 5.00 min I
� �
j ---- ----- - -
�` � �� _ Directly Connected CN Calc
_ _.
r--_ Description SubArea Sub cn
�— Open spaces, lawns,parks (>75% grass) � 0.95 ac 86.00
-- ---
� DC Composited CN (AMC 2) 86.00
— ---- -----------
�r----------�._...---------------..---------- _.
� irectly Connected TC Calc
_ ,-----------
D
r Type Description " Length Slope I C eo ff Misc ! TT
j�— — I --
I�Fixed - -------� ;5.00 min
;� Directly Connected TC ' S.00min ,
�' ---------- I
Record Id: cb7
IDesign Nlethod + SBLTH �Rainfall type TYPElA
_ _ _ _
�Hyd Intv 10.00 min �Peaking Factor 484.00
� �Abstraction Coeff 0.20
� __�__�_ � I
Pervious Area_ � 0.03 ac fDCIA 0.01 ac
;Pervious CN ; 89 00 �DC CN 86.00
)� �Pervious TC � 5.00 min jDC TC 5.00 min
Pervious CN Calc
Description ; SubArea j Sub cn
Impervious surfaces (pavements, roofs, etc) j 0.03 ac 98.00
-- ---
Pervious Composited CN (AMC 2) i 98.0�
__ . __ _ __ ------— ----- --
--- -- -- -------- -i
- - _ --- --------------- �
Pervious TC Calc ��
--- --- __--------------- �-
Type _ Description __; Length : Slope i Coeff � Misc i TT ,I
i;Fixed � :5.00 min
� — ---- -
'�' Pervious TC 5.00 min
� Directly Connected CN Calc
�� ----�----- Description SubArea Sub cn
'; Open spaces, lawns,parks {>75% grass} 0.01 ac 86.00
; DC Composited CN (AMC 2) 86.00
__ _. _ _ . _
ij
;� Directly Connected TC Calc
, -_ _ _
;�
,( Type ; Description i Le g; Slope Coeff Misc � TT
_ _._ _ _. __
�� ��ixed �' _ 15.00 min
� ��— Directly Connected TC � S.00min I
Record Id: cb8 '
�----- -------- -- ------;
;Design 11�tethod i SBUH �Rainfall type ( TYPEIA
_ ____ _ _ I
;Hyd Intv 10.00 min �Peaking Factor 484.00
� __ , __ _
Abstraction Coeff 0.20 (
__--_ _
;Pervious Area 0.11 ac ,DCIA 0.07 ac i
_ � -- -_ _ _ _ ._ .__ ,
: ---- - ;
jPervious CN 98.00 DC CN 86.00 (
;--- ------
___ _ --- -
;Pervious TC ; 5.00 min �C TC 5.00 min {
�•---- — �
�� _ Perviaus CN Calc I
�'--------
" Description � SubArea Sub cn �
;�-------------- �
`? Impervious surfaces (pavements, roofs, etc) 0.11 ac 98.00
Pervious Composited CN (AMC 2) 98.00 '`
I
' , ' Pervious TC Calc
Type Description Length � Slope i C e Misc TT '
M � �jFixed � ;5.00 min
�� Pervious TC ' S_00 min
�
�� Directly Connected CN Calc
,
_ -
r— Description SubArea Sub cn
� Open spaces, lawns,parks (>75% grass) 0.07 ac 86.00
�r DC Composited CN (AMC 2) 86.00
;�- - _ I
�; D�rectly Connected TC Calc
��T e Descri tion Len th � S1 e Coeff Misc � TT i
�� YP ' P g i P ���
� - - -- —
;�Fixed-- -- -—____- - r ;5.00 min
:_.. -----------_-------- —
___ __ _ Directly Connected TC S.00min �i
Record Id: cb9
iDesign Method I SBUH �Rainfall type �TYPEIA �
�Hyd I vnt 10.t)0 min �Peaking Factor , 484.00
'� Abstraction Coeff 0.20
{"�'� iPervious Area 0.02 ac _ DCIA 0.01 ac
� ;1
- �Pervious CN 98.00 DC CN 86.00
�ervious TC � 5.00 min �DC TC ! 5.00 min
_ _ __
Pervious CN Calc ��
�- Description � SubArea �Sub cn '
� I
�.------------------- � _---- -- - --�-
(� Impervious surfaces (pavements, roofs, etc) 0.02 ac ' 98.00 �
, ' ^.
-----__ _ --- - --------------------- (,
!�`___ __^_-_Pervious Composited CN (AMC 2) j _98.04 j
�-= - ----- -_ ----- - --- ��
;:� ,�
Pervious TC Calc
`i Type __ __ Description__ � Length ; Slope Coeff � Misc__, TT __i i I
;tFixed j 15.00 min ��
� Pervious TC � 5.00 min
� Directly Connected CN Calc j
;�- Description SubArea Sub cn
�� Open spaces, lawns,parks(>75% grass) 0.01 ac 86.00 �
, _ __ _
:; DC Composited CN (AMC 2) 86.00
;;
' � �i Directly Connected TC Calc
- --
- � Type Description Length � Sl p Coeff Misc � TT
,
j,Fi� � ;5.00 min
I;---- -- -,
'; Directly Connected TC S.00min
Layout Hydrographs
Hydrograph ID: pond - 25 year
�Area 11.�300 ac ' Hyd Int :10.00 min �Base F wol � �
jPending tt translation 4.60 min ,
;Peak flow 7.8951 cfs Peak Time 8.00 hrs �Hyd Vol 2.7059 acft
:--- --- :- ------------------ ` -
'Time (hr) ',Flow (cfs) � Time (hr) Flow (cfs) Time (hr) Flow (cfs)
j 0.67 0.0063 8.67 3.3895 16.33 � 1.1438
� �� �
j 0.83 ; 0.0466 8.83 2.8695 16.50 1.1444
� 1.00 ' 0.1100 f 9.00 2.8815 16.67 1.1451
r 1.17 ; 0.1838 � 9.17 2.5301 16.83 1.1457
� 1.33l; 0.2 55 9.33 2.1759 17.00 1.1464
'! ' 1.50 r 0.3073 �0 2.1819 17.17 1.1087
_-------- _ - --- ;
� ; 1.67 0.3645 :_ 9.67 i 2_0780 r 17.33 _j 1.0711 ;
i 1.83 ,^ 0.4171 ' 9.83 ; 1.9735 ; 17.50 � 1.0716 i
-- �----
-- ------__ ;
� 2.00---- 0.4522 ; 10.00 � 1.9778 , 17.67 j 1.0721 ;
� 2.17 ' 0.4990 ; 10.17 ( 1.8718 17.83 � 1.0726 '
2.33 j 0.5430 � 1033 �1.7652 �18.00 j 071 32 i
j 52 0 ; 0.5678 ; 10.50 1�7683 � 18.17 j 1.03�3 ;
2.67 ; 0.5891 10.67 � 1.6975 � l�-,9 '
' ---I
2.83 ; 0.6Q77 � 10.83 �1.6264 �18.50 � 0.9978
;�3.00 " 0.6239 � 1 0 1.6289 18.67 � 0.9983 `
r 3.17 ; 0.6381 ( 1� 1.5942 18.83 � 0.9987 I
j 3.33 � 0.6507 ; 11.33 � 1.5593 � 19.00 0.9991 �
3.50 •; 0.6643 11.50 � 1.4 19.17 0.9611 ;
3.67 ; 0.7060 � 11.67 1.5262 19.33 �0_9230 ;
, 3 83 i 3 ' 11.83 1.4909 19.50 ; 0.9 i
� 4.00 � 0.7701 � 12.00 ; 1.4927 19.67 � 0.9237
' 4.17 0.8374 12.17^� 1.4571 19.83 I 0.9240 �
4.33 ', 0.9055 ' 12.33 ; 1.�4213 20.00 : 0.9243 �
� '� I �4.50 0.9268 � 12.50 � 1. 224 9 20.17 � 0.9247
��4.67 ' 0.9976 ; l�j 1.3869 20.33 � 0.92 OS
4.83 , 1.0693 ; 1 8� 1.� 3507 20.50 0.9253
5.00 ; 1.0907 : 1 0 1.3521 20.67 09256
5.17 ; 1.1648 ; 1� 1.3533 20.83 � 0.0
5.33 ; 1.2394 ; 13.33 1.3546 21.00 j 0.9263
5.50 ' 1.2608 � 1 0 1.3558 � 2� 1.17 0.9266
t�; 1.3375 13.67 1 1.3193 21.33 09269
�; �
j 5.83 ; 1.4146 � 13.83 1.2827 21.50 0.9272
+ 6 0' 1.4357 � 14.00 1.2838 21.67 0.9275
6.17 1.5736 14.17 '. 1.2848 21.83 � 0.8
; _ 6.33 ^ 1_7135 � _14.33 � 1. 582 9�22.00 � 0.8�
�� ; 6.50 ' 1.7371 14.50 ' 1.2869 22.17 � 0.8897
�^ 6.67 '. 1.9438 ; 14.67 i 1.2499 22.33 �0.8513
; 6.83 I 2.1536 - 14.83 1.2130 22.50 0.8515
i 7.00 � 2.1819 15.00 1.2138 22.67 �� 0.8518
i� 7.17 2.4319 ; 15.17 12146 22.83 0.8520
���� ��
7."i3 ' ?.fi854 ' 15.33 � 1._1 SS 0 0.8522
��l � 7.50 2.7183 ( 15.50 f 1.2163 23.17 0.8525 �
� 7 7 5_1832 15 67 ! 1.1790 I 23.33 � 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 �
�-.�-- - ----�-- ' -r--i
� 8.17 5.9172 : 16.17 � 1.1431 �3.83 � 0.8534 ;
' 8.33 3.8755 16.33 r 1.1438 � 24.00 �0.8536 �
� 8.50 3.9027 � 16.50 1.1444 j 24.17 � 0.4269
Licensed to: Barghausen Engineers
� � ��
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III
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! 6.0 SPECIAL REPORTS AND STUDIES
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_ 6.0 SPECIAL REPORTS AND STUDIES
�.^,��
There are no known special reports or studies prepared for this project. I
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11189.00l.doc[JPI/dm/tepJ
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7.0 OTHER PERMITS
}�
--�.. 7.0 OTHER PERMITS
;�
� Other permits include:
� King County Grading Permit
• City of Renton Grading Permit
• City of Renton Building Pemvt
• Water Extension Development Agreement
• Sanitary Sewer Development Agreement
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1 l I89.00I.doc[IPJ/dro/tep]
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� 8.0 ESC ANALYSIS AND DESIGN
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1
8.0 ESC ANALYSIS AND DESIGN
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The weddetention 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 hauling activities and the site shall be sprinkled with w-ater during the
summer months should dust control be a problem on ihe site. Cover measures will be instituted
for any areas left unworked over the time allotted by King County and the City of Renton.
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11189.00l.doc[JPJ/dmltep]
;-� Appended on: 11:34:11 Thursday, March 18, 2004
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11189site east graded Event Summary
Event iPeak Q (cfs) Peak T (hrs) Hyd Vol (acft) Area (ac) Method �Ra pe�
6 month �0.4798 8.00 0.1808 3.2500 SBLTH TYPEIA
__
2 year 1.0549 5.00 0.3629 ; 3.2500 SBLJH ;T A
_ . __..
10 year i 1.6545 8.00 0 5534 3.2500 SBUH TYPEIA
___ _ _ . .._ --- -- --
25 year ► 2.0748 8.00 0 6882 ^_ ._3 2500 ' SBUH �TYP
. -
100 year; 2.4730 8.00 0.8171 _ 3.2500 j SB�LTH TYPEIA
Record Id: 11189site east graded
_ ____ _ _
�Design n�lethod � SBLTH Rainfall type TYPEIA
.. _ _ _ _
�Hyd Intv ; 10.00 min �eaking Factor 484.00
_ _
; , Abstraction Coeff � 0.20
P�ervious Area � 3.25 ac DCIA 0.00 ac
�Pervious CN 91.00 DC CN 0.00
_ . . _ _ _ _.
� �Pervious TC ; 5.00 min DC TC 0.00 min
' �
Pervious CN Calc
Description SubArea Sub cn
Newly graded area 3.25 ac 91.00
Pervious Composited CN (AMC 2) E 91.00
Pervious TC Calc
T e Descri tion Len th Slo e Coeff Misc TT
YP I P I g _ _.___ I P �� ____ _
Fixed i 5.00 min
Pervious TC 5.00 min
Licensed to: Barghausen Engineers
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9.0 BOND QUANTITIES, FACILITY SUMMARIES,
AND DECLARATIONS OF COVENANT
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