HomeMy WebLinkAbout03326 - Technical Information Report - NWC NE 16th St and Lyons Pl NE 9 _-
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�`' TECHNICAL INFORMATION REPORT
Proposed Plat of Windstone IV
NWC — N.E. 16th Street and Lyons Place N.E.
Renton, Washington
Prepared for:
KBS Development Corporation
12320 N.E. 8th Street, Suite 100
Bellevue, WA 98005
September 27, 2005
Our Job No. 11483
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MYLAR SIGNATURES
Project Name: �� i n1.D;;-�N� _�Y
Project Manager: Juliana Fries (x:7278) Date: � -�t�" i: �_
Name Sheets Initials
❑ Abdoul Gafour
(� Corey Thomas 1 -Z
t� Dave Christensen � , S �
J�, Kari Hamilton r� G�1- I'� ,
� Ron Straka f� �Z , C� -�
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TECHNICAL INFORMATION REPORT
;
Proposed Plat of Windstone IV
NWC — N.E. 16th Street and Lyons Place N.E.
Renton, Washington
� I
� Prepared for: �,
�.
� KBS Development Corporation
�
� � 12320 N.E. 8th Street, Suite 100
- �� . Bellevue, WA 98005
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Se tember 27 2005
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Our Job No. 11483 ,
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� - 18215 72ND AVENUE SOUTH KENT,WA 98032 (425)251-6222 (425) 251-8782 FAx
°y i BRANCH OFFICES ♦ OLYMPIA,WA ♦ TEMECULA, CA ♦ WALNUT CREEK, CA
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Table of Contents
PART A INTRODUCTION/GENERAL INFORMATION I
PART B TEMPORARY EROSION AND SEDIIvIENTATION CONTROL CALCULATIONS I
PART C TECHNICAL INFORMATION REPORT FOR THE PLAT OF STONERIDGE �
11483.007.doc[JPI/dm] I
PART A
INTRODUCTION/GENERAL INFORMATION '
I
i
PART A INTRODUCTION/GENERAL INFORMATION
The proposed plat of Windstone N is an approximate 1.99-acre site located within a portion
of Section 3, Township 23 North, Range 5 East, Willamette Meridian, City of Renton, King
County, Washington. More particularly, the site is located on the north side of N.E. 16th
Street and west af Lyons Place N.E. and forms the southwest portion of the previously
approved Stroneridge plat under City of Renton Development No. LUA04046. Stoneridge is
a recently constructed plat and is still under development at this time. The plat of Windstone I,
N, however, is eight separate lots, one of which has an existing house that will remain with �I
this proposed development located on the southwest side of the Stoneridge plat. Please refer ,
to Part C of this Technical Information Report for the Plat of Stoneridge Technical
Information Report, which incorporated this Windstone N development within the water i,
quality, flow control and conveyance calculations for the Stoneridge plat and proposed to '
include two acres of future development at the location of the Windstone N plat.
11483.007.doc[JPJ/dm]
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P l� KENT, WA 98032
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"f���� o = (425)251-8782 FA% 12320 N.E.STH STREEf, SUITE N100 10627-148TH AVENUE S.E.
�;<� � � , ° BELLEVUE,WASHINGTON 98005 RENTON, WASHINGTON 98059
a, ��' N0�`� s b' CMl ENCMEERINC, UNO PIANNMf,.
F(� � G(l�Na ENG�N��p SURVEYING ENNRONMENTAL SFRVICES
B.C.E.JOB NO. 11483 . ,._� .,:. . ; .�.,, _,_; ;:,� ,, �, _ .. , . .
_ �
PART B
TEMPORARY EROSION AND SEDIMENTATION
� CONTROL CALCULATIONS
PART B TEMPORARY EROSION AND SEDIMENTATION CONTROL CALCULATIONS
A sediment trap is proposed to treat runoff during construction and is located at the far east
side of the Windstone N development proposed plat and is sized according to King County
requirements as adopted by the City of Renton. The temporary erosion and sedimentation
control calculations are on the following page.
1 Id83.007.doc[JPl/dmJ
Appended on: 10:16:06 Wednesday,September 21, 2005
11483tesc Event Summary
__ _ _ _ - -
Event Peak Q (cfs) Peak T (hrs) Hyd Vol (acft) Area (ac) Method Raintype
6 month � 0.1861 8.00 0.0857 2.1700 SBUH TYPEIA
- _ ----
2 year 0.5157 8.00 0.1925 2.1700 SBUH TYPEIA
10 year 0.8857 8.00 0.3097 2.1700 SBUH TYPEIA
_
25_year 1.1543 8.00 0.3946 2.1700 SBUH TYPEIA
_ __ _
100 year 1.4134 8.00 0.4768 2.1700 SBUH TYPEIA
Record Id: 11483tesc
Design Method SBUH Rainfall type TYPE 1 A
Hyd Intv „__ _ ___ ; 10.00 min Peaking Factor 484.00
. . - _. _ - -
� Abstraction Coeff 0.20
', Pervious Area �2.17 ac DCIA 0.00 ac
- -
Pervious CN 87.00 DC CN 0.00
Pervious TC 5.00 min DC TC 0.00 min
Pervious CN Calc
DescripNon SubArea Sub cn
Dirt roads & Parking Lots 2.17 ac 87.00
Pervious Composited CN (AMC 2) 87.00
'�- Pervious TC Calc
Type �escription Length Slope Coeff Misc TT
_ - -
Fixed 5.00 min
Pervious TC 5.00 min
Licensed to: Barghausen Engineers
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I . . .< <,Mp�„ , Gregq Z'mmerman P.E., Atlmini�trator
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B.C.E.JOB NO. 11483
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PART C
�����HNICAL INFOF:MATION REPORT FOR THE
PLAT OF STONERIDGE
Technical Information Report
Proposed Plat of Stoneridge
148th Avenue S.E. and S.E. 107th Place
King County, Washington
Prepared for:
KBS Development Corporation
12320 N.E. 8th Street, Suite 100
Bellevue, WA 98005
April 5, 2004
Our Job No. 11189
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TABLE OF CONTENTS
I.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 CONDTI'IONS AND REQUIltEMENTS SUMMARY
3.0 OFF-STTE ANALYSIS
4_0 FLOW CONTROL AND WATER QUALTI'Y FACII..TI'Y ANALYSIS AND DESIGN
A. Existing Site Hydrology
B. Developed Site Hydrology
C. Performance Standards
D_ Flow Control System
E. Water Quality System
i 5_0 CONVEYANCE SYSTEM ANALYSIS AND DESIGN
6.0 SPECIAL REPORTS AND STUDIES
7.0 OTHER PERMITS
8.0 ESC ANALYSIS AND DESIGN
9.0 BONDQUANTITIES. E�.=�('ILITY SIiM��1;�FZlf_;S. ;�NI) I)i:('I.:�}Z%�TION O[� ('OVE1�,��N"I�
i�.',? OPERATI(�NS ANl) Ir1.��1N7�ENt�N('E AIANlJ,11.
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1. PROJECT OVERVIEW
The total site area, including improvements to adjacent roadways, is approximately I6.19 acres.
"I'he project site is [ocated within a poRion of Section 3, Township 23 North, Range 5 East, �
Willame[te IVteridian, King County, Washington. More particularly, the si[e 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 severaI existing buildings tocated in the southeast portion of the projest
site and appropriate drive aisles, driveways, parking areas, and landscaping all under
pre-developed conditions. The remainder of the si[e eonsists of fairly irreguIariy sloped ground
consisting chiefly of brush and trees, which tends[o slope towards the center of the project site in
a northerly direction. One of the tributaries to MaX Creek passes throvgh 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 are improvements proposed
for the SR-900 and 148th Avenne S.E. intersection in the form of road improvements consisting
of chiefly 025 acres of new imperviaus surface.
There are 58 lots proposed with this phase of the development_ An additional 8 to 13 more lots
are proposed for the southwes[ 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 partiatly developed with existing single-family
residences, a schoolyard, some wetland areas, and undeveloped areas as well consisting af trees
and brush; however, for the most part the upstream basin is mostly devetoped. The proposaI for
this devetopment is to construct the Iots and adjoining streets with catch basin coilection and pipe
conveyance systems atl draining into a ceniralIy located wet/detention pond that wiil perform
water quality as well as flow control, mee[ing the requirements of King County as weli as the
City of Renton, which has adopted Lhe 1998 King County Surface Water Design Manual. The
requirements for this project site are to provide Basic Water Quality and Level 3 F1ow Control
due to downstream problems. Please refer to the Section 3.0 Off-Site Analysis for a complete
description of the downstream drainage course and problems associated with it.
1 1 189.001_doc f JF'1/dmhepl
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FIGURE 1 '
TECHNICAL INFORMATION
REPORT {TIR) WORKSHEET
King County Department of Development and Environmental Services
- TECHNICAL INFORMATION REPORT (TtR) WORKSHEET
Part i PROJECT OWNER ANDPROJECT ENGINEER Part 2 PROJECT LOCATION AND DESGRIPTIOt�[.
Project Owner KBS III,LLC Project Name
Address 12320 N.E_8th Street,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,WA 98032/(425)251-6222
Part 3 T1lPE OF PERMfC APPL{CATION Part`4 OTHER REVIEWS AND PERMITS -�s � '
� S�bdivision HPA ❑ DFW NPA ❑ Shoreline Management
❑ Short Sub�vision ❑ COE 404 � Rockery
� Grad�ng ❑ DOE Dam Safety ❑ Structural Vaufts
❑ Commercial ❑ FEMA Floodplain ❑ 01her
� Other Buildin Q COE Wetlands
Part 5 SITE COMMUNRY ANDDRAINAGE BASIN
Communiry
Renton
Drainage Basin
Ma Creek
Part 6 SITE CHARACTERISTICS
❑ River ❑ Floodplain
❑ St�eam � Wetlands
❑ Critical Stream Reach ❑ SeepslSprings
❑ Depressions/Swales ❑ liigh Groundwater Table
❑ Lake ❑ Groundwater Recharge
❑ Steep Slopes ❑ Other
-�- 1 1 I A9.002.doc[1PJ/dm]
_ _ _ . _
Part 7 SOILS
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Soil Type Siopes Erosion Potential Erosive Vetocities
Alderwood 6 to IS percent
❑ A�tionai Sheets Attached
Pa�2 8 DEVELOPMENT LIMlTATIONS
REFERENCE LIMITATtO1V/SITE CONSTRAINT
Q Downstream problem Level 3 Flow Control
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❑ Add"itional Sheets Attached
Part 9 ESG RE�UtREMEfVTS �i
MINIMUM ESC RECTUIREMENTS MINIMUM ESC REQUlREMENTS
OURING CONSTRUCTION AFTER CONSTRUCTION
� Sedimentation Facilities � Stabilize Exposed Surface
� Stabilized Construction Entrance � Remove and Restore Temporary ESC Facitities
� Perimeter Runoft Control � Clean and Remove All Sift and Debris
❑ Clearing and Grading Restrictions � Ensure Operation of Permaneni Facilities
� Co�er Practices � Flag Limits of SAO and Open Space Presenration Areas
� Construction Sequence ❑ Other
❑ Other
Part 10 SURFACE WATER SYSTEM
❑ Grass lined Channet ❑ Tank ❑ InfilVation Method of Malysis
' � Pipe System ❑ Vault ❑ Depression KCRTS
❑ Open Channet ❑ Energy Dissipater ❑ Flow Dispersal CompensatioNMitigation
� Dry Pond � Wetland ❑ Waiver � of E{iminated Site Storage
� Wet Pond ❑ Stream ❑ Regional Detention Level 3
erief Descri tion af S stem ation Catch basin collection to i canve ance to weUdeteniion nd
P Y ��
Facility Related Site Limitations
Reference Facifity Limitation
-7- I l 189.002.doc(1PJldmJ
Part 11 STRUCTURAL ANALYSIS Part 12 EASEMENTSJTRACTS
❑ Cast in Place Vault � Drainage Easement
❑ Retaining Wafl � Access Easement
� Rockery>4'High ❑ Native Growth Protection Easement
❑ Structural on Steep Slope � Tract
p Other p Other
Part 13 SlGNATURE OF PROFESSIONAL ENGIMEER -
1,or a civil engineer under my supenrision,have visited the site. Actual site c�tions 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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� � GUIDE TO MAPPING IA�iITS
For a full description of a mapping tmit, read both the description of the mapping utit and that of the soil
series to which the mapping uiit belongs. See table 6, page 70, for descriptions of woodland groups. Other
information is given in tables as follows:
Acreage and extent, Lable I, page 9. Town and country planning, table 4, page 57.
Engineering uses of the soils, tabies 2 and 3, Recreational uses, table S, page 64.
pages 36 thron�► 55. Estimated yields, table 7, page 79.
Noodland
Described Capability em it group
Nap on
sy�ol Mapping unit page Sy�bol Page Symb ol
AgB Aldeivrood gravelly sandy loam, 0 to 6 percent slopes---------- 10 IYe-2 76 3d2
AgC Alden+ood gravelly sandy loam, 6 to 15 percent slopes--------- 8 IYe-2 76 3d1
AgD Aldeirrood gravelly sandy loam, 15 to 30 percent slopes-------- 10 Vie-2 78 3d1
AkF Alde=rrood and Kitsap soils, very steep------------------------ 10 VIIe-1 78 2d1
AmB Arents, Alden+ood material, 0 to 6 percent slopes 1/---------- 10 IVe-2 76 3d2
AmC Arents, Aldeiwood material, 6 to 15 percent slopes 1/--------- 10 IVe-2 76 3d2
An Arents, Everett material 1/---------------------------------- 21 IVs-1 77 3f3
BeC Beausite gravelly sandy loam, 6 to 15 percent slopes--=------- ll IVe-2 76 3d2
BeD Beausite gravelly sandy loam, 15 to 30 percent slopes=-------- 12 VIe-2 78 3d1
BeF Beausite gravelly sandy loam, 40 to 75 percent slopes--------- 12 VIIe-1 78 3d1 �
Bh Bellin�►am silt loam----------------------------------------- 12 IIIx-2 76 3w2 i
Br Briscot silt loam-------------------------------------------- 13 IIw-2 75 3w1 '
Bu Buckley silt loam--------------------------------------------- 13 IIIw-2 76 4w1
Cb Coaztal beaches---------------------------------------------- 14 VIIIx-1 78 ---
Ea Earlmont silt loan-------------------------------------------- 14 IIw-2 75 3w2 j
Ed Edgewick fine sandy loam------------------------------------- 15 IIIw-1 75 201
Ev6 Everett gravelly sandy loam, 0 to S perceat slopes------------ 15 IVs-1 77 3f3 I�
EvC Everett gravelly sandy Ioam, 5 to IS percent slopes----------- 16 VIs-1 78 3f3
EvD Everett gravelly sandy loam, 1S to 30 percent siopes---------- 16 Vle-1 77 3f2
�+C �Everett-Aldeiwood gravelly sandy loams, 6 to 15 percent
slopes------------------------------------------------------ 16 VIs-1 78 3f3
InA Indianola loamy fine sand, 0 to 4 percent slopes------------- 1� IVs-2 7T 4s3
InC Indianola loaary fine sand, 4 to 15 percent slopes------------- 16 IVs-2 77 4s3
InD Indianola loamy fine sand, 15 to 30 percent siopes------------ 17 VIe-1 76 4s2
1CpB Kitsap silt loam, 2 to 8 percent slopes----------------------- 17 IIIe-I 75 2d2
KpC Kitsap silt loam, 8 to IS 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
A8c Nooksack siIt loam----------------------------------------- 20 IIw-1 74 201
No Nornia sandy loam------------------------------------------ 20 IIIw-3 76 3w2
Or Orcas peat-------------------------------------------------- 21 VIIIw-I 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 loa�, 15 to 25 percent slopes------------------ 23 VIe-2 78 3d1
OvF Ovall graveliy loa�e, 40 to 75 percent slopes------------------ 23 VIIe-2 78 3d1
Pc Pilch uck loanry fine sand----------------------------------- 23 VIK-1 78 2s1
F'k Pilc�uck fine sa�y loam-------------------------------------- 23 IVw-1 76 2s1
' Pu Puget silty clay loam----------------------------------------- 24 IIlw-2 76 3w2
e'y F'uyallu� fine sandy 2oam-------------------------------------- 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 soi1---------------------- ---—------------—-- -- IVe-3 77 4s1
Indianola soii---------------------------------------- -- IVs-2 77 4s3
RdE Ragnar-Indianola association, moderately steep: 1/------------ 2b -------- -- ---
Rag�ar soil---------—-----——------------ -—----——-- -- VIe-2 78 4s1
Indianola soil---------------------------------------- -- VIe-1 77 4s2
U.S. GOV ERNMQIT PRfN7'Q1C OFF)CE:1971 O-�68-266
GOIDE TO MAPPING UNI'FS--Continued �
MToodland
Described Capability unit groug> ;
'4ap on
�mbol Mapping iu►it page Syubol Page Symbol
Re Renton silt loam------------------------------------------ 26 IIIx-1 75 3w1
Rh Riveiwash-------------------------------------------------- 27 VIIIw-1 78 ---
Sa Salai silt loam--------------------------------------------- 27 IIw-1 74 201
Sh Sammamish silt loam----------------------------------------- 27 IIw-2 75 3w2
Sk Seattle muck----------------------------------------==------ 28 IIw-3 75 ---
Sm Shalcar muck---------------------------------------------- 29 IIw-3 75 ---
Sn Si silt loam---------------------------------------------- 29 IIw-1 74 2oI
So Snohomish silt loam---------------------------------------- 30 IIw-2 75 3w2
Sr Snohomish sili loam, thick surface variant------------------ 31 IIw-2 75 3w2
Su Svltan silt loam------------------------------=------------ 31 IIw-1 74 3w1
Tu Tukwila muck------------------------------------------- 32 IIw-3 75 ---
Ur U�fian Iand------------------=------------------------—--- 33 -------- -- ---
No Woodinville silt loam-------------------------------'-------- 33 IIw-2 75 3w2
2/ '
7he co�osition of these �its is more variable than that of ihe oYhers in the Area, but it has been
controlled well enaugh to interpret for the expected use of the soils.
__.�
�
2.0 CONDITIONS AND REQUIREMENTS
SUMMARY
2.0 CONDITIONS AND REQLIIREMENTS SUI�I1�iARY
Analysis of the Eight Core Requirements:
Core Requirement No. 1: Discharge��N�itur�111��catin�r.
Response: This projeet is proposing to discharge to the same seasor�al stream it currently 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 praject site in a
different fashion than it currently dces under existing conditions. The site will still drain to the
same stream downstream though.
Core Requirement No. 2: Off-Site Analysis.
Response: This project sho�}d no[have to provide an off�-site analysis due to the fact that L.evel 3
Flow Control is required, which is the most severe flow contro! required for projects that
contribute to areas prone to flooding. The off-site analysis would provide no more deternunation
of required flow controi above that; 6owever, an off-si[e analysis is provided herewith ���ith tt�is
project in Section 3.0 Off-Site Analysis of this Technical Information Report for a revie«�.
Core Rc�jr�irc��l���irt Nn. 3: !�'lu�t� C'nittrr�l.
Response: ln .iccurdanc� with the reyuir�nicnts uf th� (�it}' ��f Renton an� Kin_� Count�•_ Le���l �
FlowConir�,l i�� pn�p�������1 1�,rthi� ij���c�l���,ni�nt an�l ��ifl I,� in<ti�ut���l �.citl� tl�:� fin.il �n,��tru��i���n nf
the plat.
CoreRcyutr�c�t��<�r�t :ti'u. t. C_'r�rit��_,��ut���� Sr�t��r�t_
Response: In accordance with the 1998 King Caunty Surface Water Design Manual and si��.
[he project site consists of over 10 acres of new development, an SCS-based hydrogr:�pi�
methodotogy of computing runoff to each catch basin may be instituted in the design of the
conveyance system draining to the wet/deten[ion pond located in the central por[ion of the project
site. In addition,the culveR 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 Url�
Hydrograph(SBL1H)methodology,which is an SCS-base�l r„--tl�r�cf�,in���.- r�f r��rnr�trn� r��r���ff�
Core RE�.
Respon
drainage system, and adjacent properties ttuough the institution of carrying limits, cove�
measures, perimeter protection, traffic area stabilization, sediment retention, and surface water
controls, a(1 in accordance wi[h Appendix D of the 1998 King Counry Surface Water Design
Manual as adopted by the City of Renion_
Core Requirement No_ 6: Maintenance of Operations.
Response: Tbe 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.O�Ldoc(JPI/dm/tep]
Core Requirement No_ 7: Financial Guarantees and Liability.
Response: Any financial guarantees and liability required by the City of Renton will be followed
and maintained by this project prior to conswction.
Core Requirement Na 8: Water Quality.
Response: The City of Renton and King County have already indica[ed that Basic Water Quality
is the required water quality methodology for[his project, which is being provided in'the form of
a wet pond located below the live storage in the wet/detention pond in the north centraf portion of
the project.
Analysis of the Five Special Requirements:
Special Requ irement No. 1: Other Adopted A; ,, , , , ,;,, ,,, ,,,, ,, ;,, ,,
RQSpOIISe: T11IS pCO�P�'t r]rti�c nnt �ir� �l'11F1lF� ��t}irr �{��nntr�rj fl['e�r�-cnr�rj(�r� �rn�r�r��n�r�nl '�Cr'ic fn ff��.
bes[of our knowledg
SpecialRequirement:, _ _. ,_: :.: _ _ ._.;,._.;
. .. . -� .... _ : ..
Response: In aCCordance «'ith th? r��m�ir.�mc nt. th,� fT<�c�rinl.3ir� �
storm on the project plat.
.SpCCiQI REC�ZIII'CiltB)ltNO. _�_ � :��i�u � �ii�c� uun r ui t�.uc �
Response: There is no flood protection facility existing nor is om E,ruE,�,���1 t<�r this pruj��� �; .
that will have to be designed to conform to the FEMA regulations.
Special Requirement No. 4: Source Controls.
Response: Source controls will be providec3 with this development in accordance with the 1998
King County Stormwater Pollution Control Manual and King County Code Section 9_12 for a
multifamily deve[opment.
Special Requirement No. S: Oil Control.
Response: This project dces not meet the requirements of a high-use site nor is it a
redevelopment project;therefore,the requirement of oil control is not required for this site.
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.
11189.00l.doc JPJ/dm/te
t vl I
_ _ � � � v�
�• � CITY OF REN7�'�@�
.. .
..�t Planning/Building/PublicWorks Department
3esse Tanner,Mayor Gregg Zimmerman P.E.,Administrator
�Sl,;i'S
July 24, 2003 �
�
Curtis G. Schuster
KBS Development C'orp.
12320 NE 8`�Street
Suite 100
Bellevue,WA 98005
Subject: Stone Ridge I'fat - Final Plat Requirements
Dear Mr_ Schuster,
This letter is [o explain the City of Renton's requirements for comptiance with theconditions imposed
by the King County Hearing Examiner on the approval of the prelinunary piat for the Stone Ridge
Plat. Upon annexation by ihe City of Renton, the final plat must be approved by Renton. It is our
intent to require compliance with the conditions of ihe preliminary piat where practical, and to require
conformance with the intent of conditions that cannot be mei exactly as worded. The following is a
lis[ of the King County Hearing Examiner conditions of the preliminary p1a[ aPproval, along with ihe
Renton requirement for compliance with each condition for final plat approval.
1_ Compliance with all platting provisions of Title 19 of the King County Code_
Renton Requeremenl: The applicant shall complete the p}at required street, utility and drainage
impro��ements per the approved preliminary plat. The appiicant shall comply with the requirements of
the Renton Subdivision Regulations for final plat approval procednres-
2_ All persons having an ownership interest in the subject property shall sigE� ou the face of the final
plat a dedication Ehat includes the language set forih in King Covnty Council Mation No_ 5952.
Renton Reqoiremeot: The applicant shall comply with the requirements of the Renton Subdivision
Regulations for f nal plat approval procedures.
I � 3_ The plat shall comply «�ith the base density and minimum density of the R-4 zone classification.
, A1! lots sha11 meet the minimum dimensional requirements of the R4 zone classification or shall
be generalIy as shown on the face of the approved preliminary ptat,except that minor revisions to
the glat thal do not resul� in substantial changes may be approved at the discretion of the
Department of Development and Environmental Services_ Any changes to the plat design �vhich
are mandated by the conditions �vhich follow shatl a)so be permitted.
Renfon Requirement: The applicant sha11 comply with the condition as written for densiiy and
dimension requirements. The appticant shall pro�ride a copy of [he R-4 zone dimensional
requirements with the final plat application. Minor revisions to the plat that do not resvlt in
substantial changes may,be approved at the discretion of the Development Serviees Division_
4_ The applicant mus� obtain fina} approval from the King Coefnty Health Department. �xisting
septic tanks on the site must be properly abandoned prior to final Health Department approval.
I OSS South Grady Way-Reoton,Washington gga55 — R E N T 0 N
(�}J Tn1s oaoer crntams Sn'.o re�vded�nat�nal 3n°6�w;t�r+,s�u,��.. A H E A D O F T 1 i E C U R V E
Public �Vorks. This plan sha11 be submitted with the appiication of any building pernut_ All
connections of ihe drains must be constructed and approved prior to the final building
inspection approval. For those lots that are designated for indi�idual lot infiltration systems,
the systems shall be constructed aE the time of the building pernvE and sha11 comply with
plans on file_"
d) Core Requirement No_ 1: Discharge at the Natural Location
The applicani has received approval for a requested diversi��n �f surface water flows within
the project, under Drainage Adj�stment LOOV0062_ The conditions of approval of this
drainage adjustme�nt shal! he satisfied during ihe design and review of the project engineering
plans.
e) Core Keyuirenx�nt No. 3: Kunoff Control.
To mitigate for downstream capacity issues, the applicant shall provide Level Three, now
controi, as outlined in the KCSWDM. The size of the proposed drainage tract may have to
increase to accommodate the re�i��et�en�=�ts�a�e volumes and water quality facilities.
-��� } .
The stormwater facility shaH=�Ue:=to�ated�_.in a separaie"�•t�act and dedicated to King County,
�
unle.ss portions of the dra�nage trac! are u�ed for reqtiired��reation space in accordance with
_: ,.
, ,..� _:..,_ : t��
KCC21 A.14_180. . �' �
,���� �
As specified in Section''S 1_-I.:of the K��VD roof d�ain.�std�water shall be infiltra[ed or
-_ -�. �;�
dispersed within th� lot area if thc.;sc��I�e<in�`[f s.are f�vorable':lnfiltration of storm water
for both !ot areas a�id ro�dway �n��ro�c.�zk rii's ts i��vmme�de�d _if termined to be ieasible_ A
geoteehnica} repoi-1 s}iall `}k� provli3ecl �q���vY�i�uate s�il`�n tions, seasanal deplh tc>
groundwater and other design rcquirer�nts as;eutlined in•.the KC.���JDT�I
� Core Requirement Na. 4: Conveyance Sys[ems_ .
As part of the app►icant's suti�niital for �ngineering p�an review, upstream flo�vs shall l�
analyzed to determine whether there is adequate conveya�i�e capacity in the existing I S-inch
CMP that crosses northwest unt�gr. 1d8� }lvenue SE ir►ta Tract C in the eastern p<>rtion of the
site_
g) Core Requiremems No. 8: Water Quality.
The project is required to meet the basic «�ater yuality reyuirements o(the 199R KCSWDM.
h) Special Requirements No. 2: Floodplain Delineation_
Because a wetland and two stream are located on the properry, a floaiplain analysis shall be
performed. The 100-year flcx�dp)ain boundaries shal) be shown on the final engineering plans
and recorded plat.
Renton Requirement: "T he applicant shall comply with the condition as written. "I'he �jote on lhe
final plat shall refer ro the Renton PlanningBuilding/Put�lic Works Department instead of the King
County agencies_ Vlease note thal the City of Renton does not assume main[enance responsibili[ics
for the drainage facilities for new subdivisions_ The homeowners' association �vill be responsible for
the ownership and mair�tc:nance of these facilities.
slone ridge final plat letter doc\
8. The proposed subdivision shall comply with the 1993 King County Road Standards (KCRS):
inclvding the following requirements: ��5 ��► Q��} ��a� yz �
iI���: oad A shall be improved as an urban nei hborhood ollector between I48'h Avenue SE and •��
`�'�Koad , and as an urban subcollector west of Road C. e des� n of the sub�ect lat shall be
�.� g J P
modified so that the lots in the plat will not take individual direct access from the
neighborhood collector portion of Road A. This modification to the design may result in the
reTocation of the proposed alignment of Road A.
`f b) Roads C and D, at a minimum, sha11 be designed to the urban, subaccess street standard.
� c ract I all be dedicated as public road right-of-way and improved to the urban, subaccess
' street standard.
d) 148"' Avenue SE along the frontage of the site shall be improved to the urban coI)ector arteriat
standard, including provision for a bicycle lane.
e) T��t�h�l=s�tall be improved as a p�i�a[e j�in�['uSe=����way and shall serve a maximum of two
lots. Lots 40 and 41 shall tt�v_u�i�ivic��d ownership`�i�the tract and be responsible for its
maintenance. A note in�3icating`}!he e��rnership c�#'`-[he���ract and the parties which are
, ��
responsible for its mainlenaiir.� slialt "appear�on the fiti�l p�at and engineering plans. As
specified in KCRS 3.�1C, improvements to the tra�iv sha�jit'�lude an 18-foot wide paved
surface and a mimrr�urri' trael�w�dth c�, �.fe�t Drafnage'con�ol shall include a curh or
rY
thickened ed e on on�side o�the ro�d "''�_��"� �:; �E
� ` � rx �„'- ; ° �
� ���v-.�;y � � �
� Tracts D F and L s I 6e desi�l�t���i�itn�3 as privaTe�es�tracts and shall each serve
no more than six lo�s. The lots se�rvec] �i}�cach �ac1 sha11 h�ave undi�rided ownership of the tract
� -;
and be responsible for its maintenance 'A note i��icating,lhe o ership of each tract and the
parties responsible for each�tract's maintenance shall ap�gar=�n,i�►c final plat and engineering
plans. '
� improvements shall conform to KCRS �.03 for urban rnine�r`', oads, which includes a 22-
. foot wide paved driving surface> 'rhe centerlines of"Fra ts D and F hall be aligned with thc:
centerlines of Roads D and C, respectivel�. Tlie ininimum tract width shall be 2fi feet with a
maximum length of I50 feet.
� g) The width Tract N ay be reduced to 20 feet_ No improvements to this tract are required.
,
h) A temporary turnaround shali be provided at the terminus of Road A. If this turnaround is
located off-site, easements sha11 be deeded to King County to a11ow for the temporary public
use of the turnaround until Road A is extended further north as a public road_
i) SUeet iI}umination sha)1 be provided st the intersection of Road A with 148'" Avenue SE, a
co11ec1or arterial, in accordance with KCRS 5.03.
iJ)i 148'" Avenue SE along the frontage of the si(e may require a design for a bus zone and turn
�__.y outs. As specified in KCRS 2.16, the applicant's design engineer shall contact METRO and
the ]ssaquah School Distric� to determi�ie if a bus zone is needed, and if so the specifie design
requirements.
k) Modification to the abo��e road co�ditions �nay be considered by King County, pursuant to the
variance procedures in KCRS 1.08_
stone ridge fioal plat ktter.doc\
Renton Requirement: The applicant shall comply with the condition as written_ A11 construction 'I
and upgrading of public and private roads shatl be done in. accordance with City of. Renton
requirements, with ihe exeeQtion of street pavement widths for the new streets The ne�a c►rPPr� ran
be cc�nttm�rP�1 w;th the pavement widths approved with the preliminary plat The pavement thickness
mnst be a minimum of 4" of asphalt over 6" of crushed rock. However, rolled curb would not be i
considered acceptable; therefore, vertical curbs wovld be required. Any streets narrower[han 32 feet
in width must be posted for no parking along one side of the stree!_ Any sEreet narrower t an 28 feet j
must be posted for no parking along both sides of the street. A}I stree[s within the plat will be subject
to naming specified by the Development Services Division Street lighting must be provided to meet �
the minimum street lighting levels established in Renton Code_ The street Iights along the arterial
streets must be canstructed per City of Renton standards, and turned over to the City for ownership
and main[enance. The street Iights on [he residential streets can be constructed as a City system, or as '
a Puget Sound Energy.(PSE) sys[em. The maintenance and electrical bills to PSE would be the
r.esponsibility of the homeowners' association for a PSE system i
9_ Boundary Line Adjustment LOOL0089 shall be completed and put into effect through the i
recording of deeds, prior to the approval of the��►gineering plans for the subjeci plat.
������ -:�:�.;���_�
Renion Reqoirement: The apphc��►�s�ta��c'omp�y with the c�2ion as written. ,
.,- * � `��::
__ }:
IQ. All utilities within propo���_rig�i�,s,-of,way rnust tie include�t wiiitin a franchise approved by Ihe
King County Council,pri�ir.to final-;'p`lat recording. � _,��'�- �
� ': ` f �' <_ i �'r
-rt v- d , .:5 . i,'s .
Renton Requirement: A1� uUt�tzeAs wi�,`��n F se�d'��i�t of-`��vay mu�t be approved by Renton
Development Services�D> >oi� =tSs� � a� p}at r'�ording. Plan� for all utilities, including
� � � :���� � �`
electric, gas, telephone:an ca e .�'��.e��iy Ihe T�ev�=l�spment Services Division prior
to construction,and the�constru�io�e�th�s�uti1�#�s must be approve�sd by a Renton inspector.
� _
1l. The applicant or subseqveut owner sliall comply with King Caunty Code 14_75, Mitigation
Payment System (MPS}, t3y pa.�ing�t}i�required MPS fee and admuuiistration fee as deternuned by
the appticable fee ordinance: Th�'applic�nt has the option�to ei#iier: (1) pay the I�fPS fee at final
plat recording, or(2)pay Ihe M�-'S f�e at the-tiine of buifiding permit issuance. If the first opiion is
chosen, the fee paid shall be the fe� in,effect at the tim� of plat application and a note shatl be
piaced on the face of the ptat that reads;`"�A11 tees required by King County Code 14.75,
Mitigation Payment System (MPS), have been paid." If the second option is chosen, the fee paid
shall be the amount in effect as of the date of buitding permit application_
Renton Requirement: The applicant sha11 pay the City of Renton the standard transportation
mitigation fee of$75 per net new average daily trip, prior to recording of the final p[at, as required by
Cily of Renton concurrency policies. The iransportation mitigation fee, based on 44 new single
family lots shall be $3I,S81_00.
12_ Lots �vithin ihis subdivision are subject lo KCC 21A.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 �he impaci fees due for �he plat shaN be assessed ancl
collected irrunediately prior to re.cording, using the fee schedutes in efiect when the plat receives
final approval. The balance of the assessed fee shall be allocated evenly to �he dwelling nnits in
the plat anc3 shall be collected prior to building pernut issuance_
stone ridge finat plai knei ck�c1
Renton Requirement: The applicant shall pay [he City of Renton the standard Issaquah School
Impact fee of$2,937.00 per net new residence, prior to the issuance of building pernuEs, as required
by City of Renton policies.
13. There shall be no vehicular access to 148`" Avenue SE fro�n those lots in the subject plat which
abut this street. There shall be no direct vehicnlar access to the poriion of Road A east of Road C
from the lots which abut ihis portion of this street_ A note to th�s e ec s a appear on the tinal
plat and engineering plans.
Renton Requirement: The applicant shall comply with the condition as written.
�4. Twelve feet of additional right-of-way for 148'� Avenue SE shall be dedicatcd along the east
property line,allowing far 42 feet of right-of-way from centerline.
Renton Kequirement: The appticant shall comply with the condition as wriiten.
15_ The following note sha11 be shown on the�nal engineering plan and recorded plat
�������}�`��
RESTR�E����TSENSIT��EA TRA("I'�
s�c�iD SE _ TT E AREAS� UF��R�
-.:� 'F_ 4 .F--n�..x. �. 3 �.'�a
, _ .� �. ..�r, 4=
Dedication of a sensi�i e area t,a�Usensitive area an�buff�f�eo�eys tc>the E�uhlic a tx�neficial
interest in the land4wiihin t#ie tract/ �t�v �rea aii�buff�r:-� T'his interest includes ihc�
preservation of nauve vege�atio' �r „ = hat �ienefit [� pt�blic health, safety and
welfare, including�ont�rol �f . e efi��fid'. s�on,Emainte nce of slope. stability, and
protection of plant'an��ir�al _ Y '_„ --_ -� �
; �,. >-,.,,, ,:
a; -K � *r- - ;�
The sensitive area [tact/sensitive ar�ax-fii d tiof��°impos�s.,_opon a11 present and future owners
and occupiers of the'land subjec� to the tracUsensitiv�'a�ea ai�di�all trees and other vegetation
within the iracUsensitive ar�'� arid.huffer. The vegetation wi�t�in the tract/sensitive area and
bnffer may not be cnl,�prun�t7,.coveied by fill, ��emo�e�,�ir damaged without approval in
writing from the King County Depar{�nenf o� De�relcsprr�nt Environmental Services or its
successor agency, unless othervvise pt�ovided by�law. -_`�
The common boundary between the tract/sensitive area and buffer and the area of
development ac�ivity must be marked or otherwise flagged to the satisfactioo of King County
prior to any clearing, grading, buiEding construction or other development activity on a tot
subjec� to the sensitive area tract/sensitive area and boffer. the required marking or flagging
shall remain in place �mti( all deve�opment proposal activities in the vicinity of the sensitive
area are compteted.
No building foundations are allowed beyond the required IS-foot building setback line, unless
otherwise provided by law.
Renton Requirement: The applicant shall comply with the condition as w�ritten. Reference should
be to the Renton Development Services Division in place of DDES and King County.
16_ 7�he proposed subdivision shall comply with Ihe sensitive area requirements as outlined in KCC
21A.24. Permanent survey marking and signs as specified in KCC 21_A24.1fi0 shall also be
addressed prior to finat plat approval. Temporary marking of sensitive areas and their buffers
(e.g. with bright orange construction fencing)shail be placed on the site and shall remain in place
until aIl conswction activities are completed.
sEooe ridge fina!plat tettcr.doc\
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Renton Requirement: The applicant shall compl.y vs+ith the conditiot�as written.
i7. Pretiminary plat review has identified the following essues which applyto this project. AII other j
applicable requirements for sensitive areas shall aiso be addressed by the applicant. ��
a) Wetland B (in Tract B) shall have a 25-foot native growth buffer, as measured from the I
wetland edge. Wetland A(ex[ending from the north boundary of[he site to the noc�h boundary of ,
[he Road A right-of-way} shall have a 50-foot native growth buffer, as measured from the wetland
edge, to the extent such buffers falls wi[hin the subjecE properiy. 7'hese weilands and their
required bnffers shalt be ptaced in Sensitive Area Tracts in the subject plat_
b) The streams crossing Tracts A and C shall have a 50-foot buffer measured fram each side of
the stream channel, to [he extent such buffers fall within the subjec[ plaL These buffers are
not reqnired where proposed road right-of-way in the subject plat crosses a stream channet. '
c) A l5-foo[building seiback line (BSBL}shall be esEablished on the final plat from the edge of I
ihe sensitive areas tracts. The BSBL shalt be delineated on atI affected lots and tracts.
�`��'����.���- '
��� �� �
d) Buffer averaging may be all��d�j3urs�ani�to KCC 2��24_320 and 21A.24.360,provided the ,
tota} amount of buffer area is of redu�eed and �ter��s�purce protection is achieved, as
determined by the Kic�'Co i�t„y Lan�Use�erv�ce�Div_ision= LUSD)_ If buffer averaging is '
proposed, a buffer avgragin�p�an shail be subrrutted'b�_ ��icant for review and approval '
�� -�.
by LUSD. LUSD �iay;requ�ie the s of a bodt�d o��itli��r financial goarantee by the
applicant io assure.fhe instal�atio�ii� � _ a. .qvir�d pIantii�s for a five year period.
� ' � � �r-�.-_ �
e j The stream and w�t)n�'cross��` �`�� rmitted :�is�oad crossing shall comply
with the provisions:of KCC�IA�33:,,�q artd�-lA_24.37�G. The-�mount of wetland area and
stream affected by the roadycrosstn�.��alI be rr�n�mizedrto.the e�ent feasible through the use
of re[aining structur�s;•i�dei�rmined appropriate b�+_���:J.� ``A nutigation plan shall be
submitted by Ehe applicant,(i3i LUSD approval, to addressed ��'pacts from the wetland/stream
crossing. LUSD may regu�re�the submittai of a bon�` or♦ather financial guarantee by the
applicant to assure the insfallation and survival of reyuir�d�plantings for a five-year perioc3.
f) The stormwater outfai} facility for�EI�e`$t�rtiiwafer ponds in Tract H shall not be placed in
wetland or steam buffers, uniess determined necessary by LUSD, pursuant to provisions of
KCC 21A.24330H4.
g) The appIicant shatl deiineate al) erosion hazard areas on the site on [he fina) engineering
plans. (Erosion hazard areas are defined in KCC 21A.06.415.) The de)ineation of sUch areas
sha11 be approved by an LUSD senior geologist_ The requuements found in KCC 21A.2422Q
concerning erosion hazard areas shall be rnet, including seasonal restrictions on clearing
activilies.
Renton Requirement: The applicam shall comply with the condition as v�Titten. Reference should
be io 1h�Renton Development Services Division in place of DDES, LUSD and King County.
I R Suitabte on-site recreation space shali be provided consistent with Ihe reguirements of KCC
21A.14_l80 and KCC 21A.14_1�0 (i.e. sports courts, ct�ildren's p)ay equipmen[, picnic tables,
benci►es, etc.). The amount of recreation area shali equal or exceed 390 square feet per lot, as
required by KCC 21 A.14.180A.
s�ooe ridg,e final plat letter.doc�
. - i
a) An overall conceptual recreation space plan shatl be submitted for review and approval by �
LUSD, with ihe submittat of ihe engineering pians_ The conceptua! recreation plan shall I
include tocation, area calcula[ions, dimensions and general improvements. The approved '
engineering plans shal( be consisteot with the conceptua) plan. I
b) A detailecl recreation space plan (i_e. landscape specifications, equipment specifications, etc.)
consisient with lhe overall conceptual plan noted in Item "a" above, shall be submit[ed for 'I
review and approval by LUSD and King County Parks, prior to or concurrently with the '
submittal of the final plat documents. '�
c) A performance bond for recreation space improvements to assure their installation and the II
survival of required planting for a three-year period, shall be posted prior to recording of the ;
plat. �,
Renton Requirement: The applicant shall comply with the condition as written The applicant shalt
obiain approval of the Development Services Division of the detailed recreational faciIities plan
before final ptat approval will be granted.
,,.��>;���:,:>._
19_ A homeowners' association or c>i�er yvo`�ka�i�'orgamzat�shall be established to the satisfaction i
of LUSD which provides for;t�ie owneC�hip ai�d contsnu�rr�iienance of the recreation and open
�, �- < . - k
space areas. - � �� �
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_ - ;�
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�
Renton Requirement: � h€3�n�owners; a t���shall �be e`�t�b�t„�hed to the saUsfaction of �
Development Services D vision in ord�� �ta�'the `;ecreaEi� facilities and associated '
landscaping, and sensitiv�areas Th �� ei�� a��CiatioFn shal! �lso be responsible for the I
� �_ : �
maintenance of the drainage fa���itres " n =�lat_ � '�' �-
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20. Street trees shall be ineluded }n��he•d�si . of all rQa€1 imp'rovemen�`s within and adjacent to the
subject plat. The street �ree-landsEaping design shall compl}�,;wiih �ection 5.03 of the KCRS and
[he following:
a) Trees shali be planted at a rate of�e tree for every:4Q Ceet of frontage. Spacing may be
modified to accommodate sigh[,distaiice require�e:iS'is for driveways and intersections.
b) Trees s6a11 be located within the sEreet right-of-way and planted in accordance with
Drawing Na. 5-009 of the 1993 King County Road Standards, unless LUSD deiermines
that trees should not be located in the street right-of-way.
c) If LUSD determines that the req�ired sUeet should not be located within the right-of-way,
they shall be located no more than 20 feet from the street right-of-way line.
d) The trees shall be owned and maintained by the abutting lot owners or the homeowners'
association or other workable organization unless the County has adopted a maintenance
program_ This shall be noted on the face of the finat recorded p1at.
e} The species of trees shalt be approved by LUSD if located wi[hin ihe right-of-way, and
shall noi include poplar, cot�onwood, soft maples, gom, any fruit-bearing trees, or any
other tree or stirub a�hose roots are likely to obs[ruct sanitary or storm sewers, or that is not
compatible with overhead utility lines.
� The applieant shall submit a streei tree plan and bond quantity sheet for review and
approval by LUSD prior to engineering plan approval.
stone ridge hoal pla!letter.docl
, . _ . .
g) The appticant shall contact Metro Service Planning at (206) 684-1622 ro detemune if
148th Avenue SE is on a bus route. If 148t6 Avenue SE is a bus route, the street tree plan
shall also be reviewed by Metro.
h) The slreet irees must be installed and inspected, or a performance bond posted prior to
recording of the plat. If a performance bond is posted, the street trees must be instalted
and inspecEed within one yeaz of recording of [he plat. At the time of inspection, if the
lrees are found to be installed per the approved plan, a maintenance bond must be I
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 determined that the irees have been kep[healthy and tt2riving_
t1 $538 tandscape inspection fee shail also be submitted prior to plat recording. The �
inspection fee is subject to change based on the current County fees.
Renton Requirement: The applicant shall comply with the condition as written. Reference should
be to the Renron Devetopment Services Division in place of DDES. There is no separate landscape
�.�'�=�'�,__�
inspection fee within the City of Renton���street tree����]1 be included as part of the construction
permit, with appropriate plans, fees_�a�d i�pect�. �� '
21) Documentation shall be submi[� fralri a l�censed"tand sun%eyo��io demonstrate ihat atl required
zoning setbacks are met�o�any.eX�isting residences or outbvilc�ng�hat are retained on the site_ I
; ,��� �i .� ... �
Renton Reqvirement: T�e applicant str�ll �,�np#y*�v�the aonditior�as wntten_ The following
condi[ions have been est blis ed;u , S�'�A aulhct� as nec�essa to mitigate the adverse
r .� - � ��� ��
environmental impacts of�is � velo t� �'`4'�ie ������nt shatl�d t�i�n ate compliance with these
items prior to final plat app"�ovaL t�::, � �
22) Easibound and westbourid tefi turn lanes shall be constructed by th� applicant on SR 900, at the
SR 90(3/I48`� Avenue SE}inteF��ction. The design for th� int�rs�tion shall be appro�ed by the
Washington Staie Depariment of Transpo.riation (WSDOT)_` At-�minim�m, the existing entering
sight distance for the north �nd sovth ]egs of the 'inters�etion must be maintained. /fill
conswction work associated with tura:lane cbnstruction-st'iall be completed between Apri! ]S' and
September 30'�'. The seasonal restriction s�ia11`��ppear on the final engineering plans.
Renton Requirement: The appticant shall comply with the condition as written_
23)The east leg of the SR 90(}1148'" Avenue SE intersection shall be modified, as necessary, sa that
[he stopping sight distance requirements of WSDOT are met on the east leg of the intersection.
(N�te that per the applicant's engineer, this can be achieved by the clearing of vegetation along
SR 900_) In addition, the applicant sha11 clear ��egetation wiihin 1he right-of-way along SR 90(},
east of 148�' Avenue SE, to maximize the entering sight distanee for the north and souih )egs of
the intersection_
Renton Re�uirement: The applicant shall compiy with the condition as written_
24) A tree containing a red-tailed hawk nest is located on a parcel adjoining the north boundary of the
site. Tract K in the suhject plat,as depicted on the preliminary plat rnap received 10l900(shee[ 1
of 3), lies south of[his nest tree_ This tract shall be labeled as a native growti� open space tract on
the final ptat and engineering ptans_ This tract shall remain as undeveloped open space unIess it
is documented by the property owner,to the satisfaction of King County, that the nest is no longer
used by red-[ailed hawks, (i.e. abandoned for at least five years}. If it is demonstrated that the
slone ridge fmal plat Ielter.docl
� \
� • ♦
nest has been abandoned, the tract may be developed through the approval of a future ptat
� application, short plat application, or ptat alteration application. If Track K is subdivided, the
nnmber of lois created in t}iis iract shall be consistent with tE�e zoning and overall permitted
density for the eniue plat of Stone Ridge. A note imptementing the preceding requirements shall
appear on the final plat and engineering plans.
Renton Requirement: The applicani shall comply with the condition as written_
25) Accept as provided below, outdoor construction activities on the subjeci property on any area
lying within a radius of 530 feet from the nest shall be prohibited from February T through July
31. For a specific development permit, this seasonal limitation may be warved by King County if
it can be shown to the satisfaction of the County that the nesE is not being used by hawks. Any
waiver wilt last for one nes[ing season and must be renewed for snbsequent nesting seasons. For
any season in which nesting activity occurs, the July 3l seasonal limitalion termination date may
be adjusted by ihe County, based on determination ihat the hatchlings have already fledged and
the period of disturbance risk has passed. Any waiver or shoriening of the seasonal limitation
shall conform with Condition 5 below (#�6 it�h�s report). A note implementing the preceding
requirement shali appear on the fina��a�and eng�neer»t�lans_
,�€� _> �-, ���3
, ._
Reaton Requirement: The app�l�ant shal��omptyKwith the�ondii��'sn as writien
-Y. , - _.- , _a .��
26) For any nesting season�n,whlch��he applicant proposed a�'a�+er�pr shortening of the seasonal
limitation as provided un c�o�ad�t�gn 4.abo ����this repart�;a-p�n formulated by a qualified
wildlife biologist shai�be subrriitted�'i�D �� x�d'1�.� than,Februar� 1, describing protocols for
monitoring ihe nest f�ha, k u�e� �-�n s��i• �ng�ace�a,for�dentification whether eggs
� have been laid and hat�he�and w�fl`e���n��s'�'�curred.�A��'pra�osed shoriening or waiver
ot the seasonal limitation shall'be b��e�l cati`the�Aitoring�ata and:� subject to the approval of
DDES. A note imple`menting Ehe`=precc��#iiiL� reqF� ppe p
u'���men�s shal) a`" ar on the final lat and
engineering pians. � _ :
Renlon Kequirement: The appiicant sha31 c,qmpty wi[h the cof�di�ion as writ[en. Reference should
be to the Renton Development Services Division_in place of�DES_�
__�
27) A six-fool high cedar fence shall be con'stl'ucted+on the south bo�ndary of Tract K, adjacent to
Lots 26 — 34 and Tracts H and N. The purpose of this fence is to lirnit aceess to Tract K by the
adjoining residence and to lessen impacts on nesting red-tailed hawks.
Renton Requirement: The applicam shall compiy with the condition as wri�ten_
28) To mitigate the significant adverse impact the plat of Stone Ridge has on the intersection of SR
900/148�' Avenue SE, the applicant sha11 either individually or in conjunction with other
developments in the area, install a traffic signal. The signat design shali be reviewed and
approved by WSDOT and an appropriate financial guarantee shall be posted prior to engineering
. ptan approvaL
Renton Requirement: The applicant shall comply wilh the condition as written.
29) All grading work in desigrated erosion hazard areas on the site shall be compteted consistent with
the seasonal restrictions appearing in KCC Ib.82_150D (see condiEion i7g above.j A note to Ihis
effect shall appear on the engineering plans.
Renton Requirement: The applicant shall comply with the condition as written.
stcwe ridge final p)at lener doc\
t� ..rs' �
Constructian plans for the grading, drainage, sewer and street improvements for the preliminary plat
are required and would be reviewed by ihe City of Renton's Development Services Division. A
separate plan submittal for the water mains will be required from Water District 90. Plan sobmittals
aFe also required for all franchise work, inclvding electrical, gas, phone and cable. All work for the
preliminary plat will require a permit from the City, and will be inspected by a Renton inspector.
Permit fees will be per City of Renron Code, and incinde System Developmen[ Charges for sewer and
drainage for the new pla�. A preconstn�etion meeting will be, required before work can t�egin on the
project.
As-built drawings, cost data inventory sheets, and bills-of-sale for all the public improvements must
be submitted to the City for review and approval prior Eo recorcling of the final plat. The plat map
itself must also be reviewed and approved by the City prior to recording. The pla[ map can be
submitted for preliminary review at any time to expedite the fnal plat approval process. Submittal of
an itemized list explaining how each of the Hearing Examiner c�nditi��ns have hecn n�et will also help
expedite Ihe fnal plat approva)process.
There are several people with the City who can hel� you with this process_ Juliana Sitthidet (425-
_;��.a:�_-y.
430-7278) is the City project manage�r,;f�`tl�e fina� ��`a��review of this project, and can address
questi�ns retated to the public wor�s=issues for"Cfie plat_ Dan�hompson (206-999-1828) will be the
� � �<
public works inspec[or for this project. Cf�est�ohs on the apptica�qn requirements for the final plat
can best be answerecl by Julian�or Jason )ordan(425-4�30-.7219���Th�;�nai pla[ map will be reviewed
by Bob MacOnie(425-430-7�69). <-`�`� �-_
� �i
l ho e this letter answers ,"our uestions'ar� re �ire�nts `�`�or a roival of the final lat for the
P Y 9 , .��� �� ��9 PP P
Stone Rid ge Plat_ We look�for�,iard,'to �ir�u�to._wo,�1..=with yo� t o�w_arc�:ci>n���lctic>n �f this �ro ject_
��?`:. �+�cx's'
Sincerely, _
�►1�
1�
Jennifer Henning
Principa) Planner
Development Services I)ivision �
cc: Neil Waus
]uliana Sitthic)c�
lason 3ordari
Kayren Kittrick
I�ob 1�1acOnie
stone ridge fioa!plat kner.doc\
3.0 OFF-SITE ANALYSIS
;
LEVEL 1 OFF-SfTE DRAINAGE ANALYSIS
Proposed Plat of Stoneridge
148th Avenue S.E. North of SR-900
King County, Washington
Prepared for:
�-J z-�� KBS III, LLC
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��°�w���o Bellevue, WA 98005
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S� r�" March 12, 2004
� . cY�«�-� 10 i�//7 4t�r Job No_ 111���_
�
�,NA�
� TTt� � CIV►L ENGINEERING, LAND PLANNttJG,SURVEYING, ENVIROfVMENTAL SERVtCES
� `'l Z 18215 72ND AVENUE SOUTH KENT,WA 98032 (425) 251-6222 (425) 251-8782 FAx
2 ���� ,�` ? BRANCH OFFICES ♦ OLYMPIA,WA ♦ TEMECULA, CA ♦ WALNUTCREEK, CA
� '�}� �� www.barghausen.com
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~C'ENG�H
Table of Contents
TASK 1 STUDY AREA DEFINITION AND MAPS
EXHIBTT A Vicinity Map
EXI-IIBTT B Downstream Drainage Map
EXHIBTT C Upstream Basin Map
TASK 2 RESOURCE REV IEW
EXHIBTT D FEMA Map
EXHIBTT E Sensitive Areas Folios
EXHIBTI'F SCS Soils Map
EXHIBTT G Assessor's Map
EXHIBTT H Wetland Inventory Map
I'ASK 3 FIELD INSPEC'I'ION
EXHIBTT I Off-Site rinalysis Drainage System Table
TASK 4 DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS
EXI-IIBIT J Drainage Complaints
TASK 5 MTTIGATION OF EXISTING OR POTENTIAL PROBLEMS
I l 189_003.doc[IPJ/dm]
TASK 1 '
STUDY AREA DEFINITION AND MAPS
TASK 1 STUDY AREA DEFI1vITION AND MAPS
The proposed Stoneridge Plat is approacimately 16_19 acres in size counting all the improvements to
SR-900 and 148th Avenue S.E., including the entire site to be developed. The project is located within a
portion of Section 3,Township 23 North,Range 5 East, Willamette Meridian, King County,Washington.
More specifically, the site is located on the west side of 148th Avenue S.E. nortfi of SR-900 and covers
the existing S.E. 107th Place roadway serving existing lots. The enclosed Exhibit A — Vicinity Map
depicts the approximate Iocation of ihe 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 direction for the most
part,with upstream basins contributing runoff from the east, south,and west. The southeast portion of the
project site is currently par[ially developed with exis[ing single-family residences and huildings with
drive aisles, tandscaping, and associated improvemenEs at that location. The remainder of the site is
mostly forested or pasture with thick brush,which will be cleared with this devetopment.
The proposal for this developmen[ is to construct S8 lots with appropria[e streets, sidewalks, stormwater I
collection 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 runoff to the project site, one from the south and one from the east �,
from underneath 148th Avenue S.E. These streams join up to become Green Creek, which is a tributary
to May Creek and this project site drains to Green Creek. The two seasonal streams drain through
wettand 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 runoff contributing from upstream flowing through the site. These upstream basins
consist of well over 100 acres of partially developed land. There are also existing wetlands in the
upstream basin as well as pasture and forested areas. The impervious surface in the upstream hasin is
approximately 3 to 5 percent.
�
11189.003.doc OPJldm]
EXHIBIT A
Vicinity Map
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EXHIBIT C
Upstream Basin Map
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� TASK 2 RESOURCE REVIEW
• Adopted Basin Plans: The site is part of the May Creek Basin_
• Finalized Drainage Studies: This is not applicable.
• Basin Reconnaissance Summary Repon: 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 thai
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 Exhibit D—FEMA Map utilized
for this analysis, Panel No_ 669 of 1,725, Map No. 53033C0669 F, revised May 16, 1995. As
indicated by this map,the proposed project site does not lie within a floodplain or a floodway of a
stream; however, it is known that two seasonal streams pass throagh the site, which will be
conveyed through the site under developed conditions as we1l. They are much lower in elevation
that the proposed lot elevations by over 10 feet.
• Other Off-Site Analysis Repons: A review of the United States Department of Agriculiure 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 Ill stream passing ihrough it and the areas contribuiing to it
are mapped wetlands as well as the downstream drainage course from the project site. In
addition, there are known wedands 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 ofAgriculture King County So�ls 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-Indianota
Association.
• Wettand Inventory Map: The Wetland lnventory Map for this area is inciuded herewith_ See the
exhibit within this section of the report indicating May Creek Wetland 6, which is located on the
soat6 side of SR-900,of which drainage from this wetland con[ributes to the project site_
• Migrnting River Studies: This is not applicahle.
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caN the Natanal Flood Insurance Program at(8001638 6620-
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APPROXlMATE SCALE IN FEET
500 0 500
NATIONAL f100D iNSURANCE PR06RAM
FIRM
fC00D INSURANCE RATE MAP
KING COLTNZ`Y,
WASHINGTON AND
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PANEL 669 OF 1125
1SE E MAP INDEX FOR PANELS NOT PRINTEO►
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REPf(ON.CITY OF 530088 0669 F
MAP NUMBER
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EXHIBIT F
5CS Soils Map
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QIIDE TO MAPPING (A�(ITS
�
: i
For a fuli descriptian of a mapping imit, read both the description of the mapping imit and that of the soil
series to which the mapping ia►it belongs. See table 6, page 70, for descriptions of woodland groups. Other
infor�ation is given in tables as follows:
{ Acreage and exteni; table l, page 9. Town and country planning, table 4, page 57. ��
Engineering uses of the soils, tables ? and 3, Recreational uses, table 5, page 64. �
pages 36 Yhrough 55. Estimated yields, table 7, page 79. I
Woodland '�
Described Capability imit group i
Map on
syaibol Mapping unit page Symbol Page Symbol
AgB Alden+ood gravelly sandy loam, 0 to 6 percent slopes---------- 10 IVe-2 76 3d2
AgC Alden+ood gravelly sandy loam, b to 15 percent slopes--------- 8 IVe-2 76 3d1
AgD Aldetwood gravelly sandy loa�, 15 to 30 percent slopes-------- 10 VIe-2 78 3d1
, AkF Aldeiwood and Kitsap soils, very steep------------------------ 10 VIIe-1 78 2d1
AmB Arents, Aldenuood �ateri al, 0 to 6 percent slopes 1/--------- 10 IVe-2 76 3d2
AnC Arents, Alden+ood material, 6 to IS percent slopes 1/--------- 10 IVe-2 76 3d2
An Arents, Everett Aaterial 1/----------------------------------- 11 IVs-1 77 3f3
BeC Beausite gravelly sandy loam, 6 to 15 percent slopes---------- il IVe-2 76 3d2
BeD Beausite gravelly sandy Ioam, 15 to 30 percent slopes--------- 12 VIe-2 78 3d1
BeF Beausite gravelly sandy loam, 40 to 75 percent slopes--------- 12 VIIe-1 78 3d1
Bh Bellin�am silt loam------------------------------------------ 12 IIIw-2 76 3�r2
Br Briscot silt loam--------------------------------------------- 13 IIu-2 75 3w1
Bu Buckley silt loam--------------------------------------------- 13 IIIw-2 76 4w1
Cb Coastal beaches----------------------------------------------- 14 VIIIw-1 78 ---
Ea Earlsont 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 E�erett gravelly sandy loam, 5 to 15 percent slopes----------- 16 VIs-1 78 3f3
EvD Everett gravelly sandy loam, 25 to 30 percent slopes---------- 16 Vle-1 77 3f2
&aC �Everett-Alde naood gravelly sandy loa�, 6 to 15 percent
slopes------------------------------------------------------ 16 VIs-1 78 3f3
InA Indiano2a loaary fine sand, 0 to 4 percent slopes-------------- 17 IVs-2 77 4s3
InC Indianola loamy fine sand, 4 to 15 percent slopes------------- 16 IVs-2 77 4s3
InD Indianola loamy fine sand, 15 to 30 percent slopes------------ 17 VIe-1 76 4s2
Kp6 Kitsap silt loam, 2 to 8 percent slopes----------------------- 17 IIIe-1 75 2d2
KpC Kitsap si12 loam, 8 to 15 percent slopes---------------------- 18 IVe-1 76 �d2
KpD Kitsap silt loam, l5 to 30 percent slopes--------------------- 18 VIe-2 78 2d1
KsC Klaus gravelly loamy sand, 6 to 15 percent slopes------------- 18 VIs-1 78 3f1
Ma Mixed alluvial land------------------------------------------- 18 VIw-2 78 20l
NeC Neilton very gravelly loamy sand, 2 to 15 percent slopes------ 19 VIs-1 78 3f3
Ng Newberg silt loam--------------------------------------------- 19 IIw-1 74 201
--
Nc Nooksack silt loam-------------------------------------------- 20 IIw-I 74 201
No Norma sandy loam---------------------------------------------- 20 IIIw-3 76 3w2
Or Orc as peat---------------------------------------------------- 22 VIIIw-1 78 ---
Os Oridia silt loam---------------------------------------------- 21 IIw-2 75 3x1
QvC Ovall gravelly loam, 0 to 15 percent slopes------------------- 22 IVe-2 76 3dl
OvD Ovall gravelly loam, 15 to 25 percent slopes------------------ 23 VIe-2 78 3d1
OvF Ovall gravelIy loan, 40 to 75 percent slopes------------------ 23 YIIe-I 78 3d1
Pc Pilchuck loanry fine sand-------------------------------------- 23 Vlw-1 78 2s1
Pk Pilchuck fine sandy loam-------------------------------------- 23 IVw-1 76 2s1
Pu Puget silty clay loam----------------------------------------- 24 IIIw-2 76 3w2
1'y Puyallup fine sandy loam-------------------------------------- 24 IIw-1 74 201
RaC Ragnar fine sandy loam, 6 to 15 percent slopes---------------- ZS 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-2 77 4s3
RdE Ragiar-Indianola association, moderately steep: 1/------------ 26 -------- -- ---
Ragnar soil--------------------------------------------- -- VIe-2 78 4s1
Indianola soil---------------------------------------- — VIe-1 77 4s2
U. ti ('AVERNAtENT PRIN7'IIJG OFFICE-1973 O-46B-2fi6
GllIDE TO MAPPING UNITS--Continued
Woodland
Described Capability unit group ,
Map : on
ymbol Mapping imit page . Symbol Page Sy�bol
Re Renton silt loam------------------------------------------ 26 IIIw-1 75 3w1
I� Riven.�ash-------------------------------------------------- 27 YIIIw-1 78 ---
Sa Salal silt loa�------------------------------------------- 27 IIa-1 74 201
Sh Sammamish siit loam---------------------------------------- 27 IIw-2 75 3w1
Sk Seattle muck--------------------------------------'=------ 28 IIw-3 75 ---
Sm Shalcar muck------------------------------------------------ 29 IIw-3 75 ---
Sn Si silt loan------------------------------------------------ 29 IIw-1 7d 201
So Snohomish silt loa�---------------------------------------- 30 IIw-2 75 3w2
Sr Snohomish silE loam, thick surface variant------------------ 31 IIw-2 75 3w2
Su Sultan silt loaea----------------------------------------- 31 IIw-1 74 3w1
Tu Tukwila muck----------------------------------------------- 32 IIw-3 75 ---
llr Uifian land-------------------------------------------------- 33 -------- -- ---
Wo }Poodinville silt loam------------------------------`------ 33 IIw-2 75 3w2
1/ '
1he composition of these inits is �ore variable than that of the others in the Area, but it has been
controlled well enoug}� to interpret for *�►e expected use of the soils.
il
EXHIBIT G
Assessor's Map
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EXHIBIT H
Wetland Inventory Map
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Photo Date: 5-80 North A Approx.Scale: 1"= SDD '
WETLAND: May Creek 6 COMMUNITY �lewcastl e
PLAN AREA:
BASIN OR
LOCATION: SW SE 3-23-5 Cedar Ri ver
DRAINAGE:
INVENTORY DATE: 7-20-81
ACREAGE: 3• �
CLASSIFICATION: �ish and Wildlife Service Common Name �
PSS1 Palustrine, Scrub-Shrub, Broad- Scrub-Shrub
leaved Decidvous (�Yillow)
PFDI Palustrine, Forested, I3road- Forested Wetland '�
leaved Deciduous (Red Alder) I
NOTE: The wetland etlge zhown above is apDroxlmate_ In marshes, ponds ot lakes, the transltlon from stantling water to upfands is
uwaliy Gear. However,the ed9es o/forested or zcrub/shrub wetlands are lesz dlstlnct. There,tha c�ange from wetland to upland
often xturs ove� a broad area called the "transitlon zone", For a dlscussion, see Wetland Plants of Kfn9 County and the Puoet
May Creek 6
^4SERVED SPECIES: (refer to list in Appendix 1)
Trees: AM, AR, PT - j
Herbs: LA, OS
Shnibs: AC, CS, LI, RS, SX, SD
Sedges/Rushes/Grass/Fern:
' �►ds: AR, ST, SS, WW
Mammals:
Fish:
Other.
RARE/ENDANGERED/THREATENED SPEClES: (refer to list in Appendix 2)
Reoorded/Obsenred:
Potential:
SIGNIFICANT HABITAT FEATURES:
OUTLET: TYPe= Pipe
Conditan: Open
����t� Stream
POTENTIAL STORAGE: ExisiingActive: 4 ac. ft.
Pote�tial Active: 8 ac. ft
GENERAL OBSERVAT)ONS: Northeast corner filled some tirne ago. Head waters of Honey Crc
WETLAND EVALUATION SUMMARY:
Dab was collected in the five categoriez sfiown below. Within eacfi category the data was eva�uated to produce numericai values. Cornposite
values for each cetegory were produced in o►der to compare each wettand to other wetlands in iu wb�esin and in Kinp County. The rewlt of
that comparison vwas a percentite rank. The percentile is expressed on a scale of one h�ndred and indicates the percent of wetlands that scored
equal to or below that particulx site. For ezample,a percentile rank of 80 under wb-basin means that the wetland scored equal to or better
than 80 perceni of atl sites within the wb-basin for that evaluation category.NOTE: The percentik ranks are valid oniy withirt the individual
evaluation category and are intended solely for reference ard compariso�_
Rank
Evaluation Category . (by percentile)
Sub-basio County-wide
Nydrobgy: runoff storage potential,water c�ality,potential for minimizing damage 64 82
in downstream areas
Biology: quality of Mabitat,abundance and divenity of plant and anima!species 2j 25
V ISuel: diversity and contrast of wetland and wrtounding vegetation, 35 3�
wrrounding landforms
Culturdl: types of access,proximity to xhoots/institutions,overall 50 56
environmenbl quality
ECOt10miC: presence of agriculture/peat extraction,anadromous or game fish, 3 5 25
game birds or mammals ot commercial value
WETLAND RATING:
wetland was assigned one oi three possible wetland ratings. The wetland ratings were determined by examining tfie scores of selected
itory tasks, specific data or percenule ranks for individual evaluation categories. The criteria used to assign the wetland ratings are i
ibed ia the Introduction. For each rating a number of specific guidelines for new development in w adjacent to wctlands were p�epared. ,
The guidelenes are intended to assist in carryi�g out King County"s Sensitive Areas Ordinance end other wetla�policies. They are included in '
a separate report titled"Guidelines for King County Wetlands". i
Wetland Ratimg 2
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TASK 3 FIELD INSPECTION
� There were no major problems reported or observed during the resource review. Based on a review of the
drainage complaints in the downstream drainage course, there was one property owner who has indicated
that erosion is occumng on her property at several occunences during major storm events in the last 15
years. In addition,tha[same property owner has indicated that flow rates contributing to the stream in her
backyard are increaseng as development occurs in the upstream basin. This property owner has wriuen �
several [etters to King County's various divisions including governmental offices requesting assistance
with problems on her property. That is why Level 3 Flow Control is proposed for this devetopment.
Based on the drainage compiaints and our siEe visit, it appears flooding has not been a major problem in
the downstream drainage course from the subject property; however, Level 3 Flow Control witl be
provided.
The upper 5/6 of the downstream course courses through mostly backyards and brushy aceas, �ntil runaff
enters May Creek on the far north end of the section. Most of the downstream drainage course
investigated by this site visit and a review of the Soils Map indicate that the downstream drainage course
occurs through Alderwood soils for tl�e most part and then Ragnar-Indianoia type soils near May Geek.
The field recannaissance for this off-site analysis drainage report was conducted on March 3, 2004. The
skies were partly overcast and [he high temperature on this day was approximately 50 degrees_
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EXHIBIT I
Off-Site Analysis Drainage System Table
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OFF-SITE ANALYSIS DR��ilvAGE SYSTEM TABLE
Surface Water Design Manual, Core Requirement #2
Basin: May Creek Subbasin Name: Green Creek Subbasin Number:
Distance Abservations of Field Inspecto�r,
Drainage Component Drainage Component from Site Existing Potential Resoucce Reviewer,or
Symboi Type,Name,and Size Description Slope D(scharge Problems Problems Resident
Cooscrictions,under capaciry,ponding,
Type: sheet flow,swale,saeam, overcopping,flooding,habitat or organism
channel,pipe,pond;size, Drainage basin,vegetation,cover, destruction,scowring,bank sloughing, Tributary area,likelihood of problem,
Sre Map diameter,surface area depth,rype of sensiuve area,volume % Ft. sedimentation,incision,other erosion overflow pathways,potential impacts
O Vegetated channel Wetland through backyards 5 0'—575' None Noted None Noted Area is fenced off, couldn't get
a good look.
U 30-inch CMP Under S.E, 104th Street, flows 2 575'—600' None Noted None Noted
north
m Channel Through backyards 1,5 600'—2300' None Noted None Noted
QO 4.5-foot by 5-foot CMP Flows north under 26th Street 0.5 2300'—2350' None Noted None Noted
arch culvert
OO Well defined channel Flows into May Creek 1 2350'—2750' None Noted None Noted
I I 189.004.doc[JPJ/dm�
TASK 4
DRAINAGE SYSTEM DESCRIPTION
AND PR�BLEM DESCRIPTIONS
TASK 4 DRAINAGE SYSTEM llFSCRIPTION AND PROBLEM DF.SCRIPTIONS
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 throogh
a 3d-inch corrugated metal pipe culvert. Ftows 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 S-foot CMP arch culvert and then a little bit later the flow
courses into May Creek.
A review of the Exhibit 1 — llrainage Complaints shows there is a one property owner that is very
concerned about stormwater runoff sunounding her home. Many complainis were addressed by her from
adjacent property owners. In addition the upstream drainage basin, which contributes runoff to the
seasonal stream passing through her hackyard, is the downstream drainage course from the project site.
This property owner is the only complainant on the downstream drainage course from the project site, but
she was complaining of erosion during peak flows contributing to an ongoing problem in her backyard.
That is why Level 3 Flow Control is being instituted with this development. Please refer to the drainage
comptaints for a complete description of the problems associated with the downstream drainage course.
" I I IF2(X13 d�x(lf'UdmJ
i
EX�IIBIT J I
Drainage Complaints
� t�1R. �3.2�4 4=32PM KC IALRD f�10.986 P. 1 i4
� � �l/��
King,Countv Water and Land Resources (WLR} Division
Zo� s���st, sulc�600
Scattle, WA 98104-3855
Date: d
FlLE ��PY �
Number of pages including cover sheei. �_
To:
From: Cindy Torkelsan
FaX: � a�,J� ' �]�a W�R Stoxmwater Sarvicas Section
_ �-s �� " �j��,� Phone: 2Q 296-1900
Phone•
Fax Numbex: 206 296�0 l 97_
12E: �,evel 1 A.ns�lysis �. . -
To follow is a list of complaints rec�ived by the Watar and Land Resources Division Drainage Services
Section.. Complaint numbers beginaing prior to 1990-��have bee.n archived and are no longer in
our possession. They can still be re�ieved,if riecessary,but:will take additional time and may not be
beneficial to your research dtu to their age,developmertt whieh has accurred,etc. rf you are interesteci
in revie�ving the actual complaixtts,they can be pulled(tune permitting)for your review. Copies can be
obtained for$ .15 per pa.ge, and$2.00 per page for plans.
Ke s: � �
TVne of Invs! tioe . 'I�ofPl4b�em
C Acdon Rcqucet D('.A L)cvcloprt►r�UConstructiun
BCVI' Husinqe`tbr C7ean Water DDM Drolnega-Mi�odlwieoua
UCF �onsc tn Iequiry DES Drah�aQe—Eroiiair5edtmcntatioa '
•CL C1eim DLE btaa�agt--I.uidslido/EatthMorement
EH � Entbr�srnutt on HoW DTA Anieage Tachnica!Ar.�istence
ER Anfoneertant Rcviea RJQ Ihainage—Genernt Iequ"ay ,
PCC,F-CR,PCS Fecl1�CamplalMs MMA Mainttn'ece-AcsNtctitx
R S WM Pa Inquiry MMF Myicmanaow-Flooding i
Fnt SWM Fea Rcrita MMG ' M�tenmoe-Genaal I
FIH . SWM Pce ort Hofd Ml�lM . Ma�Oeosttcc-Mowing ',
•LS (,aqKdlt IrtiJM Mllineemnoe—TkedsMa�lNmancc
RR FaaEliU'gu6i�inB Rav�w �NWW Mefob�omcaNmcions Wocds �
NDA Nai�fiborbood Dn�uagc AsaLsimoc SWF SrVM Fa Qpesdons '
wQc w.oer Q�.1�ca�l�nc wQB w,ua Qn.�ur—aesc I�senu�e�nc Praa�as
WQH Wetnr Quati�P.nlbt�comc+ri WQY� Weoer Qneliq�—Damping
wQR w�r Que�ih�,s�eu�ng xevs�w wQi w.o�QwetW�—nnac comroa�o�
WQA Weser Qualiry Audh REM SWM Foe-Reme�suroment
wQo Warer Quel lry--Otha GRT SwM Foc-Gtau
SI,S2,SN3 �gincuingSdidles NWD SWMPa-NawDiscaunl
'Suhjccl tn Publlc Diseloswe�equiranents l.Reoelpt of wriltat req�cst for doeutnants 2.Revlaw md q�proval by Prosewting Auvmeys of�icc
._... .....�..�..�-, -,•ox�, e��. w�r� N0.986 P.2i4
"'"'�C�UII[y W�fi91'�d 1.88���111�10�-BI"81�9 S81'VIdBi$6Gt� I
��r1v1�1 w1 Pdnted- 3I3�2004 2:30:26 PM I'
�' C�g Ty��f PPohlali A�i�s et Pradle� �I�an�nb Tl�Pape !
1975-000�4 C pRNG 958 S UNSET Bl.SE 138TH/St1NSE7 BUANN�XED 626J6 'I
19sa0oo8 C FILL 138'fH Av� SE HONEY CR�EKIMAY CRF�K 626J5
1983-0045 C 15823 SE MAY VALLEY RD FILUNG/NIAY CRK 627q5
198300�6 C DRNG 't 1203 148TH AVE SE PONDlNG 626J6
1983-0057 C FLDG 104q9 151S7 S� 627A5 I
99840015 C FLDG RENT�N-ISSAFNVY MAYCREEK 626J6
1985-0225 R VtOCATE 1b019 SE MAY VAtLEY RD -'� TO CODE ENF. 627A5 II
�985-0509 E � - • � Pf111tAppvdSWM-DRS B27A5 I
1966-0654 C FILUNG 112D3 148TH AiIE . S� G26,16 I
1987-0264 CL FLDG 14847 206TH AVE _ SE BASEM�W7 FROM CULVERT-CL#10505 627A6
1987-0�85 C DRNG 15004 SE 114T1-j,ST I�EI�NB�R F1.00D1NG PROPERTI( 627A6
1987-0485 ER ._„___. __ _ _. .� _TO RD DRNG FOR CM/RD CDORD 10/27�87 627A6
1987-0485 NDA •� IV� RD DRNG FOR CM/RD COORD 10127/8 627A6
1987-OB01 C DRNG 14100 5E 100TH PL • FROM N�iN DEVE�OPMENT 626J5 '
1987-1189 C DRNG 10218 147TW AVE SE DRAINAG�FROM RENTON R/D POND 626J5 I
1988-0787 C DRNG 15004 • S� 114TH ST ILLEGAI.INSTAIlATION OF TlL� 87-0485 827A6
0790 C DRNG 14498 SE 116TH ST INADEQUAT�SYST�M INSTALI�D 626J6 I�
41'17 C DRNG 14408 SE 100TH ST SUMM�R WINDS DRAINAGE OVERFtOW 626.1b
�a89-01�t0 C EROSION 14d29 SE 116'TH ST PVT RD WASHOUT DU�70 NO DFZAINAGE 626J6
1989-0'E50 C DRNG/ERO 14428 SE 118TH ST PVT RD WASHOUT DUE TO NO DRNG 8�0 626Js
1989-031B E DRNG 11800 13811-i AVE SE CLEARINGOF R/D NATUI2AL WD P�ND 62fiJ6
198&0534 C ORNG 14842 SE 11�4TH ST FlLL OF DRAINAGE 87-0485 627A6
1990-0�8 C DRNG 14842 S� 114TH ST D1TCH FILLED IN 627A6
1990-0819 C PONDtNG 10403 147TH AVE ' S�„ IN YARD/81�0619 626J5 �"
1990-U982 C DRNG 15630 SE 118TH S7� DfTCH ENDS BY PROPERTY 627AG
1990-'I623 C FLDG 13611 5E 116TN ST �RID FACIL(lY SEEPING WAT�R 6Z6J6
1991-0339 C FLDG 112f2 13TfH AVE g� PIPE O�PRNATE DITCH 626J6
1991�0578 C DRNG 11833 1�i2ND AV� SE WATER PONDiNG IN YARD 628�6
1991-0619 C DRNG 10403 14TT'H AVE SE INCREASED FLOW(N SFASONAL CREEK 626J5 �'
1891-0619 SR DRNG 10403 14TTH AVE SE TO CIP 626J5 �"
19131-0797 S2 ON HOLD 627A6
1991-0898 C DRAINAGE 15212 5E RENTOfVrISSAGI RD HlGHWAY DITCH CL�ANING 627A6
1991-0932 C DNERSIO 15630 SE 116TH ST DITCH OUTt.E'f ON YARD 627A6
�991-1127 C HEVERt?AM 14800 SE MAY VALLEY RP DAM IN STR�AM 626J5 f�
1992-0100 C DRAINAGE '12240 142N�AVE SE 626J6
1992-0137 C CONSTRUC ,14410 SE 1077H PL • NEW CONST/RENTON 626J5
9992-0169 C DRAINAGE 10262 147TH AV $E -' B26J5 *lC'—
Page 1 of 3
r r-+rc._�.ce�v �t=.��t�r� KL 4LFtll NO.986 P_3/4
--�� � � 1�B Of PI'OM01R �I�PI'�1 C�ItE ilA'OS P8�
72-0169 SR DRAfNAGE 10282 147TN AV SE NOT IJDAp (GROUND WATER) 626J5 �-
1992-048� C MAY CR�K 15440 SE hAAY VALLEY RD MAY CREEK R�SING 627A5
1992-M84 SR MAY CR�K 15440 SE MAY VALL.EY RD MAY CR�EK RtSING NOT NDAP 627A5
1993-0086 C DRAINAGE 10220 148TH AV SE DRAINAGE CHANNEL ON PaOPER7Y 627A5 �
1993-OQ94 WQC EROSIOtV 10217 14BTH AV� SE EROSION ON CLEARED LOT fi26J5 �E—�
1993-0236 C EROSION 10202 148TN AVE SE EROSION PROBLEMS ON ACTIVE PREMIT 627A5 �
�gg3-0236 ER EROSiON 10202 1�F8TH A1/� SE EROSION PROBLEMS ON ACTtVE PERMIT 627A5 �--
1993-0236 RN EROSION 10202 148TH AVE SE EROSION PROBLEMS ON ACTNE PREMIT 627A5 -6-
1g93-0339 WQC S�WAG� i0222 148TH AVE SE REFERED TO DDES 627A5 4-
1993-0387 NDA DRNG 1T203 148THAVE g� POND{NG IN YARD N�A-F 627A6
1993-0387 RN DRNG 12203 148TH AVE SE PONDING IN YARD NDA-F 627A6
1993-0�437 C DRAINAGE 11204 148TH AVE.t�IU� . $� ENCLOSING ROA�SIDE�IYCH 627A6
1993-0858 C RUNOFF 10220 148TH AVE $� CLEARING OF N�IGHBORS LOT 627A5 �--
1993-0832 C DRNG 10220 148TH AVE SE CL.EARING OF NEIGHBORS I.OT 627A5 �
1994-0977 C DRNG 10218 148TH A1�E SE NEW HOUS�NEAR SWALE B27A5 �E'-
1994-0476 C INQUIRY . 10217 147TH AVE � �� ROAD CU�VERT oUT�ETS TO LOT 626J5 -�-'
1994-0476 NDA INQUIRY 10217 147TH AVE g� ROAD CUL1l�RT OUTLETS TO LOT 626J5 -��
1995-0420 C EROSION 10415 14TN AVE S TRlBUTARI'OF MAY CR�EK 626J5 -E---
'1995-042o NDA EROStON 10415 14Tti AVE S TRIBUTARY OF MAY CR��K B26J5 �-.-�
"'^5-0420 RN EROSION 10415 147H AVE g TRIBUTARY OF MAY CREEK 626J5 '�
i-QB89 C EROSION 11204 148TH AVE $� SLOUGHlNG OF ROADSIDE DITChi 627A6
.,,95-0718 X DRAINAGE 90415 147TH AVE SE SEE 94-0420, NDA-C 626J5 �-
1995-0996 X ORAlNAGE 90415 147TH AVE SE 826J5 �-
1995-a037 C DITCHES 11224 '148TH AV� . SE STORM IXC��D�D SYSTEM CAPAC(TY 627A6
1996-01�3 C RUN OFF 14614 SE RENTON-ISSAQUAH RD RUNOFF FROM SR 90� 626J6 f-
1996-0552 C FLDG 11615 148TH AVE SE • 826J6
1996-0552 R FLDG 11615 148TH A1/� S� FLOODING FROM VAN�AUZED FIRE I-IYD fi26J6
1996-0750 X DRNG 10415 147TH AV� SE DDES WAS L�AD-TFi�Y HANDLED 626J5 'E-'
1996-1't93 C EROSION 1120� 148TH A1f� g� REQU�S7 TO ENCLOSE R1S DITCH 627A6
1996-1377 C R�pGRAS 15440 S� MAY VALLEI'RO REEp CANARY GRASS R�STRICTING CHA 627A5
'f 997-1299 C DRAINAGE 15329 SE MAY VAl.I�EY RD PVT DR�VE CONST IMA TO RD DRNG SYS 627A5
1997-1299 E ORAiNAG� 15329 SE MAY VALLEY RD PY'r DRIVE CONST IMP TO Rp DRNG SYS 627A5
�99�-12ss R DRAINAGE 15329 sE MAY v�Y RD Pvr oRivE corvsT iMP 7o RD ORNG SYs 627A5
1997-1454 C DRAINAGE 10�29 FOREST AVE S OFFSITE SHEETlCONCENTRAT�p FLOW I 626.15 -�--
1987-1454 R DRAINAGE 10429 FOR�$TAV� 5 OFFSRE SHEET/CONCENTRATED FLOW I 82Gl5 '�c--
1999-0196 C DRAINAG� SE 101 ST/ia6 AVE SE OFFSRE FLaW lMP PROP CITY OF RENT 626J5�—
1999-032o x ow�rvAGE s� �a2N�11a7-48 av SE MORE OF THE snME 626J5 ��
1999-0417 C FILLWG 15019 S� MAY VALLEY RD ALLEGED FILLING VIOLATt01�!PREVIOUS 627A6
1999-0710 C OE�RIS 148XX SE R�NT�N-ISS RD UTIL WORK ST R/W APPEARS ADEQU NO 626J5 Q�'
1999-0725 WQC CRE�K 14813 SE RENTON-15S RD , CONC�RNS REGARDING SEDIMEN7 DRAI 627A6 ��
page 2 of 3
rttt. .•�.��4 4=33PM KC IFLRD . N0.986 P.4i4
�� �
iber Cu� Iype tt Prob�m Ad�'e�af��a61en C�rerta � �S Pape
.,J-0026 C CL.EARtNG 10415 147TH AV� g� �OT CLFARING PR�P TO N�1N CONST7? 826.15 �
200Q0440 WQR DES 10415 147TH AVE SE WtLL REVISIT 61TE DURING RAINSTORM T 626J5 E--
2000-0760 WQR W08 11204 1487H AV�NUE S� Mrs.Walbrlp has mulched all exposed so�fo s 626J6
2001-0065 X INQ t0415 147TH AV� SE EMAIL RESP�NSE SENT FOR RON SIMMS 626.15 1L-
2001-0186 X DCA 'i0415 14TTH AVE SE prepened emai!for Nancy Hansen to send to 626J5 �--
2001-0274 WaR WQO 10220 148TH AVE SE 627A5 �`
2001-03i8 X IN� 10415 147TH AVE SE RESPONS�BY RON SIMS TO A LETTER S 62GJ5 �- I
2001-0765 NDA- DDM 1a415 147TH AV� SE Pa7ENTIAL QUICK FIX-WAT�R FROM NE 626J5 �-
2001-0765 R DpM 10415 147TH A1/E SE POTEN7IAL QUICK FIX-WAT�R FROM NE 62ti.15 .�--
2001-0842 E DOM 10217 147TH AVE S MS_NAGEL BLOCFCED A CROSS CULVERT 626J5 -�-
ZOp2-app5 C DDM 10415 147TH AVE SE PDR FOR ENFORC�MENT LETT�R 01-084 626J5 �-- �
2IX12-0035 X INQ 70415 147TH A1l�SE RESPONSE TO 1!9/02 EMAIL FROM CIAUD 626J5 '�-- '
2002-0212 C DDM 10726 148T'li A1/�SE SFR WtTH GROUNnWATER PROBLEMS. 826J5 ��
2002-0303 NDA- DpM 10415 147TM AV�SE UNDERSIZED CULV�RT CAUSES BACKUP 626J5 �—
2Q02-0303 R ODM 10415 147TH AV�S� UNDERSIZED CU�.V�RT CAUS�S BACKUP 626J5 E"-'
2003-0210 X INQ 14�115 147Tr!AVE SE EMA{L iN�UiRY REGARDING EROSIQN Ca 626.18 �
2403-0567 C DTA 11327 148'fH AVE SE yVATER IN CRAWL SPACE.APpEfIRS TO 626J&
Page 3 of 3
� �� —" KING COUNTY DEPARTM�I�T OF P�C WORKS f �
4 O SURF.4CE WATcR MANAGEMENT DIVISION �
, � � ��
COMPLAINT INVEST(GATION REPOR� ' ��
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NATURE OF COMPLAINT: ff � �p — S� ` �� Z_
� SEC•.�TWP �AGE S
LO:;ATIOhl: �j35� ��J/QjcJ KROLL PG. a'UU
` J /�' � COUNCIL DIST. �_
COMPLAINANT: ��i�IP � �✓'�'�i�DA _C
r.+0►tE w0.
/ /�/�7 / ttOM E L�S--!Y�� O
Address_���( � /�/ /�" �vt � City �State�Zip � WORK
OETAttS OF COMPLAINT:
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'LAINT RECEIVED 8Y: �3 Q('j(� - Q�'(J
ILS OF INVESTIGATION: Sketch on revers ide:Yes No O Photos:Yes B� No C�
��n
On site 2-27-92.
The Brundage residence is located on the side of a relatively steep hill . Slope is from east tc
' west, and 10262 fronts on 147th. To the rear, and facing 148th is a new home, graded, but with
no vegetation (landscaping). I48th at this location is a shoulder tyoe road with ditches on the
east side. Run off to the west is shared by the property owners. Observed no noticeable erosion
at 10263-148th from the road. Roof run off is piped-probably to a dry well .
Photo 1} Looks south on I48th 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.
����Q-r� �� DATE: 'l-Z - Z
:AMPLAt�lT INVESTIGATED BY: � p
ACT10N TAK�N: 3—13—`t Z.. S�d� ....i��. fnn.�- /�-�.1'�-�fr-'� . :/c4/t�� vo e-� v.t�c v� /'.li t..¢� `��
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Com�lainani advise of action possible or taken by: Phone Leiter � Personat Contact O �
Complaint Action Handled By �.e�-! l�i�✓��l�-� Ctosed: 6 3 � OK'd: --�'�-
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KING COUNTY DEPARTM�NT OF PUBLIC WORKS
�� SLRFACE WATER MANAGEMENT DtVlS101v
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COMPLAINT 1NVESTIGATiON REPORX � • ,
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NATURE OF COMPIAiNT: Ce,Z 7- /� S �� ZCP ' � �
SEC Z�NVP Z3 RGE �
�oca,rior�_ 5�i.�gt£Xfu lUFI/rHBd� �33�J1'17_2/� Gv//l7.Q S//77U/7s � KROLL PG. �O /
COMPIAINANT: �/�/V�� �//�)�� COt1NClL DtST_ �
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HOME: C? Z� 9�0 C�
A��� /OZ-ZD /��'�'' f�l/ �SS� c�ty �f,�e State. ZiP WORK 1�.3s-�� o��-
DETAILS OF COMPLAINT: Cui/ 0 w p�i`
,�' �t/�i6��or� g����; a �o r�� 3 y2 S A �o �' /��c Tr� � r�r�<na�
Gt//-�/L'�'t /l'�'G'i��1s O�%TU S'i/n os�.r �G% 1'�i �
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rJ<�v elha�u aL �T �G-s>— Gcrb6 E� Gr/'1 d � Nlf cv r�wc�c� �71G�T-
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h.� �r�ns rv 5�.t>c,r� � l o��-e , � rs �S a�-�..��� �.��
� ��oh•%� So���.� �.t�� h G o .�-.-u��.�c� �ul is��.zea t�d win-► � �a�ns, ��
N� CCi�v ��T ��li�f����rn�- v��c � slzorti Locc�nan � �l,aHh c�
�� v�-� �o �,+. ��c rzS s,o n c� rn 9 2r-Tlc�-c�. ,
� 'LAIN7 RECEIVED BY:.�� �C�' v l�
__LS OF INVESTIGATION: Sketch on reverse side:Yes No O Photos:Yes G3��No C
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. Slope_of the surrounding properties is from SE t�
NW, and neighbors to the south have dug an interceptor ditch across the back of their lo;
that is also said to drain another ditch from the next southerly neighbor. This had drained
to an area on his lot that is proposed to be the foundation for his house. Mr Simon in turn
dug a ditch along the property line to the ditch on 148th which he intends to tight line.
BALD is said to have informed him drainage from the properties should go to the roadside
ditch. Because the neighbors drained to his property it is up to him to handle. At the time
of observation there was drainage from the neighboring properties to Simon's southerly ditch,
down the ditch to where it goes sub surface to a small pond in a low spot in the frant, and
from there to a cross cuivert 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 247th 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} View towards 148th along south ditch.
4) Shows ditch and neighboring hause on right.
5) Looks south along ditched area t rear of 10222 - 148th.
COMPLAINT INVESTIGATED BY: .�,^.-�- DATE� Z� 3'�3
ACTIONTAKEN: Z�Z3-93. 5'�pkp �,���. �z,,,� S'�k�.�`' S,,J�,,� (.w�S wo �raL L-i �s n
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�No PRoa��M s� '
Complainant advised of action possible or taken by. Phone Q' Lette� O Personal Contact ❑
Compiaint Action Handied By � � � Clased: Q OK'd-+��
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" SURFACE WATER i�A�NA�EMENT DIVISION �
COMPLA � � � '
INT INVESTIGATION REPOR�' �
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' te��e: �' �
NATURE OF COMPLAINT: /�� �� jiy� � J� Z 7 � � �
SEC �7WPZ3,p�R�GE�--�-
LOCATION: � C l{QSS �S./�Z L�T F��/'yl �DD� i,3� ,U � KROLI PG. —c�C_...�_
coMPu�ic�arrr: �/���llr 17/�'/�L_E �� lvL6 SS COtJNCtL DtST- _�
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Address � �Z � � ���� ��Ciry State T.ip y�p�K; Z sr 9 S 7 3
DETAILS OF COMPLAINT: 7lZ/P✓ 7Z� /�j►�4 y G/�{��E� - Q's �d �'�tiG�N�t GC�zt�T7o Y( Prv t��v,
� �y��,c�� �ri.�s � ����f� �Gt 6--,T� �rc�i�
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C AfNT RECEIVED BY: j � �l/���� J S >.3�� u� �V�('G���� a-�R �ti 2-� -9 3 �
t ._S OF lNVESTiGATiON: Sketch on reverse s'�de:Yes No O Photos:Yes e'3 No O
Owneitr
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 na signs of silt. It appeared the si7t 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 fiows 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 miie to May Creek.
4) View of ditched area at north side of 10222 - 148th that is said to drain wetlands.
�OMPLAINT IIVVESTIGATED BY: � pq�: z-3- �3
�CT10N 7AKEN: Z-23-�,� , 1\( o .�.f.,t•.,�.
z-�-'1 - �3 . l`�o �,rw.-,�,
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:omplainant advised of action possible or taken by: Phone D' Letter p Personal Contact O
;omplaint Action Handied By ��+'`1�- .����.�. c�oS�: 3 �/- 93 OK'd:�
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� KING COUNTY SURFACE WATER MANAGEMENT DIVtSION II
DR:AINAGE INVESTIGATION REPORT
Page i: INVESTtGATtON REOUEST TYPE C
""OBL EM LacAc►��D 1'ZoW��a� ERos►owl _
;eived by.� ��K� Date: ,y_3o_�� OK'd by.��V� File No. � �-D Z3�v
ReceivBd fiom: (Pt�as�print plainly for scanninfl)• (QaY) (Evw)
M�I.�t l�
NAME: Kc�� ���n�. PHONE Zli- 5)i�3 �Q� -6�83
ADDRESS_ ►n7n?_ �Qg� A�l� `�. City ��N-�,J State .�J�►_ Zip �j$oS`
Location of problem, if different: CHARGE #
Data,7s of Problarn: � �'`-�E 4�� �� ���"��''��� �-
7Ry K�R�► GofiJol_ i' , a77�r�Zyrsr� F�
FE '�vTN A�"�.��tT toT I� TTtE G�mPc.�n,µy.�T-g G�r+�� A4�—�S C3�-o
►�z,��A� �..��s ���n..7 cc�4,2�� L PEnm►r wA� �Pfhe�r�y ,�s��
3y ►7h� /=Mrz !s �,•Jaz�-� . A �wq-�� wA-s c��AtiA-�Y� dti i+t�s
Gc�r2�» L�T w►fi�� o�14rr.,�4L�7' _ o"�� aT 7� G�np��hN�r`s
��2iv�A-�1. r 5 1Zvsv�� �rJ Lo�-/H-f�� f�Lau�"�n1(, �v0 �2���+s c�-
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Id�7tr �.,� Sc �a�pwl�''! 1�T� �-1 Ce�P��f-rrr/f�,�.rr �5 Dl�' GvLv�2i. l�FLEr
�4vY �i�A�,vS R�V�7-�-� IN ���� �tt�i��P►"'6► 7� 16+r'H"-��N � /1�+�0
�QoA►v 6 �9-ws�~�► Tk-�' �hM��-97N/`}'7'�►T� ��w t3�-s c- 'r'� c,��� fis lf-�
t�lw ���.��r� �� t4-�� �� sL. wn�- G.�- t3C p�,v c ?_
Other agencies invoZved: (Give detaiis) �� �t��t�ax�ng� fJ�� k�-F�yj��
�nR� d d��o� � �M n��.
Reportedlmpacts:, # Properties: Dates/frequency of occurrences:
_ Home Fsc-sr ocw�2R�v�� vr� �t1hR�H ZZ"° t�43J
Access road
— S�,�c� G.L6��►�, � flG77�4Z cT�'7"' �%
Septic system
outbuildings, garage
Yard/landscaping
Other property
Stream, lake, wetland
Comments: �
AD�R��rr NEi4►t88z t�� i3aK+�►y.�s 235 -1�8� �5 �...,c.6D�.a1B�-7� � s��►�nm�,
� ... . "'l'O�-f:OMPL�Z3Y�J�AIt�P�AM s`3r1�'r
-4�.+tw tAR�RfO ee�er«�r►�r�+t<ree���r� srra � �r-�� .����►�a���'w
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Location/Tiacking /nfo: 1/4 S2 7�3 R� Parcel No. Type '�
Basin 1� Council Dist�J DIR Ref/Chg Na City Field investigation needed? �
�ame: Block No: Lot No:
.�,ciion taken: Assigned to: 7umed to on / / fnitiais: KRQLL �U�
THOI�IAS BRQS �Ew= �Z 7•'1 � DATE CLOSED: �J�/�3 OK'd_�
OLD: �'S �Z {�eo�k.�+�. S�p/Q3 ov� � ii�J�o DD�S �►Z4�(� ,
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DR.AINAGE IN�ESTIGATION REPORT
Page 2: FIELD INVESTIGATION . -
�.. .; . � :-�YPE . .� _
- F�e Name: �Z10� J��T'�- I�l� -�G1 F7e No.,�� 'l/Z-3
Deta�7s of/nvesLigation: Date of Fieid trnestigation_�/�� Related Irnrestigatians: g3-0086/S i mon. I
Met-witti��Mr Coziol _and .Bakamus and walked the problem site. Recent heavy_rains apparently ov�
ta�efi.tl���8"ADS dwain the property owner (Simon} put in recently. Water went down� tf��e �ditche
du on the east and nort�,roperty. lines causing erosion in the ditctles.:and filling a drivewa;
''--cross�culveht, causing wa er� to•overtop the private drive and �sta'rted to erode the R/W at th� ��
roadside ditch. It was pointed out that the east and nortt�iitches were dug on other peoples I
ro ert Bakumus on the north-out_of_town__o�ner_.on t_he__e��t��_ - _ ------- -__---_,--_-_---- -- i
- P -=P=. Y._�_-_
Photo.�lj Looks norti� and westerly from SE corner of cleared lot. Orange dot at left is inlet
_ • _ .8" ADS. -
. �, .� 2}_ Loo�s south along east �r.op�.r.ty. line at �drainage ditch�: Lot marker seerr mid-righf:�•�
- - 3}- �hows ditch on Bakamus property draining to west.
4_��Ili�w of di tch and si.}t depasi t -by driveway cross culvert��riear re� dot): ' � - � - �� �'
5) View of natural drainage swale. . _
6) Shows�erosion on private drive west of�cross culvert. � � '
7) �ooks. north on 148th where. run off_from private,driye to 10202 eroded section Qf ro� ,
slioulder. ' � - - � - �
i
: 8) 8" ADS outlet to ro�ked. rQadside -uitch. • � , _ .. �,
9) Looks north on 148th wnere 8" drains to ditch.
, •,lb�_Shows seepage from soal that looked like oil with blue sheen to water: No petroleum
� smell noted.
. , . , _ . - I
Sketch: � i 2�,�,,,,� . , . . •
fi_ �, - -- = . _ _ . _ .
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Date oi Report:�/ g /� By. �,Q�,.r� f�-C.CiJ��, �'
Compiainani noified by �f by �phone_ letter _ personat contact_ `�/'���^9j• s?'� e �"'`� �' �D
��-�`�-�,.-S 0� .��D�S' - �.v s eQ,r
_. K1NG COUNTY S'URFR�E WATER MANAGEMENT DtV1SlON ��"
� DRAINAGE INVESTIGATION RE�'ORT
Page t: IfJVESTIGATlON R�OUEST TYPE �
���3LEM QvN[7Fr=
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�ived by Date: 2y OK'd by: � �Ue No. q _�
,
Received 1�om: (Pt�as�print��ainy tor scanninol• (pay� (Evs)
NAME: �,rni�_} �:/i'C�'`) PHONE . Q)�$-�l�TL�
ADDRESS_ �(7L2(7 ;��� �l� � Cny State Zip
Location oi probtem, U different: CHAP.GE � .
Detai/s vf Pioblem: �
3w� -F�n * 93-68Y�
N�IGNBOa 'S Rv�FF �� r-�...Dot�l.� TN{aR P�"O�rJ
R�c-9-rE� �o,"o�-g,� l3 -�t,�2 Si?-ro�
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-��-�-,
�� other agencies involved: (Give details) �
I ;
� Reported lmpacis: # Properiies: Dates/f requenc
i
I _ Home -
Access road
Septic system
_ outbuildings, garage
Yard/landscaping
Other property
�'� _ Strealu, lake, wetland
Comments:
:• • <TL3 E_CJM?C�D 8Y Cn'�t - ---
;.::.,. :.:,::;: ....s.:;.., . :;..._,.,......:. .� >::_ '�L�iITJ7 Fi20G ..- > .. _...._.. ._... .r_
:- .RAfdS;S7�,rr
'_ocafion/T�acking /nfo: 1/4 S 2 T�R 5 Parcel No_ Q=�3(�7 —q0� Type
�2sin�� Councl Dist�_ Din Ref/Chg No: Ciry Field investig2tior. needed?
�2me: Biock No: Lot No:
4�..�n takeR: Assigned to: Turned to on / / Initiais: KROLL
TFtOP1AS BROS �E1V= �27 �S DATF CLOSED: /� / S / `!� OK'd: ��
OLD: '�5 ��
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M ! a s.�� : I
� �-/�$1 � � r�n.v�� . - __- .- - � +,
j• ' I
DRAINAGE INVESTIGATION
Page 2: FtELD INVEST1GA710N TYPE
` �
F�7e Name: . File No. �
: Derar7s ot Investiqation: Date of Fleld Irnestigation:�/ � /� Relaied investigations: ,
pro�erty to the east of thP Simon's has been cle�red of brush. Slo�e in this area �g i
from SE t� NW and would natural?y drain towards the S�mo!! �ro�erty. There 1� a1�� A �I
Simon'beto��!rainptc�tthe ditcheonn148thhaIndspeakingttoatheaK�zi�ls�sand ad�acent prv!��rty �I
flwner that d�d the clearing,. the p��rpose was to c�ea►^ thP br��sh and �lant gr�ss �or � �
pasture--no �radino. � - - - - '
Photo 1) !ooks e�st over the toutn end of the Simon foundation to+�!ar�s cleared ar��-
21 Lonks �E over foundatio� at additional clearPd area: �
3) Looks south alnng rear of adj?ce�t p►'ope►^ty owner where ditch enters S1mon 4 ,,
drain system. j
41 Lonks west towar�is 148th. I
45) Voo�sf eastCtowardsafoandati�n�fromf riitr.h��w�►erP ba�k y�rd �ra�nage enters r�'�'� ��
�itch. '
Sketch: !'�8M �'r�s� S>r.,�.� �_•_
.t—
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S�
� d
�
c��-�-
�� �`�' /
I Gk�
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' � $�,'4�,j � �'��i
�- - -�— — — —'�— ^ — �_ - - - -�- - - -��
� ,' _— IO`� � /
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� t 7''C�G �
e
I Date oi Report: /� / � /� By. L /
' Complainant not"rfied by �� by -�phor�e letter persona! contact.
�o_�Z-q�� w�r' dy. iccv..�� 't-pca/l. . _ _�,.
��_1_ o� 1 r� c
��� K1NG COUNTY SURFACE WATER MANAGEMENT DIVtSION
DR:AII�IAGE INVESTIGATIOI�I REPORT
,
PROBLEM �f�,�p.� page 1: 1NVESTIGATtON FiEOUEST rYpE C'�
ReceNed by: � ShO- l Date:�� _ ,� ^�� 01C'd by. F�e No. y3_� 3=
W
� Received 1rnm: (P�as. Prin�.P�+�^►Y tor:canninfl)• (aY) (�)
NAME: �qyt,¢n.� S�� oV1� PHONE gz 8—q 70p
ADDRESS: 1 O Z.20 /��j�` � S� City �,��n`�"p-�� State WQ Zip�
Location oi proWem, N dif(erent: CHAP.rE � ,
% f Pivb/em: � �
Defa�s o "�,-t� ad �,�M
w � 9 ��.2e �asf o�' -I-�� t- a�sz . S��„e.�, la� I,
� �- � cl� . �+� � d� �o� w��--� �.�,s,d� �,�� �
-E-a .�?d;u;� d}-i , �as d� -tf� `�wah d� �-�- S��,,.e,�. Pro pu,`� , �
a��� �Tl� �[eo�.t.� cv►r�eQe uhsZ abo i,i
y�e.�,e��6�1 �eJ,o.y Co�e �S also C . f
' �O cxti.�. 2.p o�c�a , �-�- �s w�/�hoc�►•. ��?�e�. 9 ru.�q 1���0�'� pv►�� ',
�
� �.o��r e, � �sc wed . t���a.�.s�. Ga���i r s`E. �
i
� �o..c �3- o8s� Sl�o�t . �
other agencies involved: (Give details) re-�d �•�f -flav�_.�{p�,.��-�
Reporred Impacts: # Properiies: Dates/frequency of occurrences:
Home �
Access road
_ Sep�ic system
_ outbuildings, garage
_ Yard/landscaping
_ Other property
Stream, lake, wetland
Comments:
" ` - ••• ' •XG£�COMr C�O�Y�AA'_�'iI�IM'.:PF3�Gfi:,1�:STlSFr •�:•
_
, ._.;.._.::...:,.:,.<..�._.,-.�,`._ .,._...�.�.M,._.....:.-:> ...:,._._..._._.:............. ....: ....:.....,..,...-..-::.>. _ ..,.: -_:_....,...:..._.:: _ ..�>..,.�,.....,-.. ._.....<_...._ ,....w.,,...Y......,�...._....-...:;.:.;::.e
Locat;on/Trackmg /nfo: �L 1/4 S o2 Ta23 R (o Parcei No. 7ype
8asin (�A,.� CouncB Dist�� Dln Ref/Chg No: Ciry Fietd investig2tior. needed?_
- � �ame: Block No: Loi No:
.,cLon taken: Assigned to: Turned to on � � Initials: KROLL
THOPIAS BROS ���= ,��,� �� DATE CLOSED: �/ .S /� OK'd: �P �
OLD: �� ��
S� �3-o�s�r s�,��
KfNG COUt�ITY SURFACE WATER MANAGEMENT DIVISlON '�'—
DR:AINAGE IIWESTIGATION REPORT .
PROBLEM j��Q�/G Page 1: 1NVESTIGATION REOUEST TYPE � . .--. , __
eceived by. �� oate:3�7�9y OFCd by: Flle Nc 9�o i 77
ReCBivBUI Ifom: (Pi�as�ptint ptainiy for scanninD)_ (paY� (Ev�)
.
NAME: �Q r C�1 s�/�'�O� PHONE �a8-9 700
ADDRESS: City State Zp
Location of problem, }f differen� ;-�� �IB /�8� � s� CHARGE � .
Oeiai/s of Prob/em: � $q�R �� � 8
,Qu,/�.n� a r�eu1 home, -f�iey �av�
7--r-�ed fD Q�r �J�'-� -��e, ���1/G 4GCJCLy �'/��Y1
Th� ,Lo�-. Tl�� D,--�.�.��qe sys-fe m �s
S�ji/ not ad.�c.�fG enov9h. �v�at �e�se
CQ,n She do�
.�:' u�0 u lc� L! � �-� m c c t y°°` o n S� -f-e.
Other agencies involved: (Give detaiZs)
Aeparted lmpacts: # Properties: Dates/frequency of occurrences' ',�� bY��
_ Home 93-�-�s'�� .
_ Access road �y
Septic system -� '
— -9�-
_ Outbuildings, garage 9z-
Yard/landscaping 9�_�, '�,.�"
_ other property 90'8�9'S
Stream, lake, wetland gq_"�^t'
— , �-nort.�
CommBnts:
9 7-��$�
lt4t� ■ ►�RMR�RR�tfl�flf�Rlt�tRRil�ltRRffltH.�a.���coMpt�r�a-s�r°:�;�;vNr�:��aa�s sr�.1i ��~
.. ' .._ ..J.%'v:'"""'}'".,. f1r�I�I wlr-�
'_:..s�..+�iCvv.#'.rn."�v�� '�iOSG�.A�+�+F"' %0.'�wY�waw.-�Si-0��K$YF..(v3:AM..x.�.m m.-r...i_�_.. .n...�:::.... .:...:......v -: -:v::.....-:.::�_ -�:.:..-...:-.�.:-. �._. .. .�.. . ....�..... ..... . ...�...«.. . ...��..��. �...vw....v �,
_ . .w .. -.�. y r�aa'aa
Locat;on/Tiack:ng lnfo: /Vl� 1/4 S�T o�R 5 Parcel No.d�a3OS90 S q TYPe �I
Basin_1���/ Counc�7 Dist� DtR Ref/Chg No: City Field investigation needed?_
—T
Plat -�ame: Block No: Lot No:
on taken: Assigned to: Turned to on � / Initials: KROLL U�� w
THOr1AS BROS ��E�= ,�,�.7 A� DATE CLOSED: 3���� OK'd: �� , `�V"r' PK�B r
o�o: 35E2 r.�o �JU A �r�� lo � � `,,�}
c!e ,� - �� P �4fle�wd��ic�c�.�`�C�� c�/� 9.
ev-c�e�.�a b.�u����
e:.�-- ,� _. _�_ _ _
t
KING COUNTY SURFACE WATER MA��� .dT DIVISION
DR.AINAGE INVESTIGATION REPORT
Page 1: IM/ESTIGATION REQUEST Type C, I
Received by: T� . oate:6-zD � qy OK'd by. Flle No. 94_0476 '
Received from: (Please print plainty for scanning). �oay) �,►e�
NAME: /Vctq�f� /Y)ctXi/)L PHONE Y54�-3`�S9 �35� 7�
ADDRESS: /O� I '7 l`�7 r' At�G S� C�tY_ f�c./��ar� State rp 5�'S G I
Location of probiem, if different: ,
Reported Prob/em: S� w�tS �,O c�n�p� .�,h� .�foW O�
J— I
Sur�ar�c u�a.-fer F�ocus, T}�e 1/acant p�f�S' �
nex-� -Fa I,er �c.o t /s Co I leGfi`rx� fhe c�a�-e*' !I
run �, Slfe c,vo�c�d 1;�-- � er�ciose f-he�
Sh�e. �4s dra�vr�
d��i-cl�+ vp a,boc� �' hoc�s�. �
d�a ra.m o�' ha�c� �'e eh"n9 ��rer�tly
q 9 ,� o,n t�
rUnS. (
see a.-N'Fa��. ShG 9 �`" ��
bu y -4-he. vac an+- IL-o t: '
Plat name: NAy l/cV/e y CO-ap Cc��v��fy Adc� Lot No: /6 6iock No:Z
Other agencies involved: No Feld Investigation Needed ���
�
� p,�ua�5>
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_..."..._".... ..........."................ �_......".'. i_?�'r¢'.�
. �•:
.0 �..._........__..�_�."""..�.x_v...._....n.1xP"_""""".u..r..........n.vrcn}r_"_v'""'"""r.._.'"'"n•wi-i:�i.-::::"'""�.i�::4i.:-i:iJi}ii:i:i�ii:4i::-'"'p:p�.i}:i:i-:_vir_a+�-{�i:"'rrv.:"-_""v:?-x�-.4:L!-w(G!=j-i iv+eeJ'v:�=eX^""iii_iG'.$ iv
/� 3 Z3 S Parcef No.�'23��D O!60 Krotf SD4 E Th.Bros: New �-Z� J's
,�a s r R OId 35 Oz
Basin� Councl Disi �2 Charge No:
---�-�---�-----���—�--�-�---���--
RESPONSE: Citizen notified on �12 by .T�. phone� letter _in person� � �~
�e.�err-ec� � �OE,r Fo,p a�� .
R/kJ u.tc p U-.,�,•f R/so ccr�/ed �Poads � �
-fhe d�tch on �-l�e easts,c(� a� /5�8 �' sr_ c�e,anei-/ ov�r. _ .ce�- �+-�a.r�n�
Kno�.� �-ha,+ she wo�,�.�d need cL pe,rm;t, ar�d {-ha-� �ve �o��d No7-'
be, �%�v est'��a.-t��r�9 -�.�-,i s m0.-+t�(-
DISPOS/TION: Turned to on by OR: No further action recommended becausE
Lead agency has been notified:
'roblem has been corrected. _No problem has been ident"rfied_ Prior irn+estigation addresses problem:
See Fde#
�Private 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. �Other (Specify): //V{=��"�j���
f b �� �-d �ax�►�, w� �N���,�,g a�.��.,�.d.a;.�,
DATE CLOSED: I /o���� y: ,
IVu�S�nlu 1lv�vv�:,vr,vvv t»1.vrv� �.�v�o� �� .�+�, �•.••• v���.,
„
KING COUNTY SURFACE WATER MANAGEMENT DIVlSION y� �-.:,.,-- . . .�
DRAINAGE INVESTIGATION REPORT � � �
Page 2: FlELD iNVESTIGATION _. _
- �`( . . .i�1i r...".
>eta�7s ol/nvestigation:
The area of.concern has a slope from SE to NW. The roads are shoulder type with ope�ditches and x-tiles. There havE
been recent complaints regarding drainage that flows to the !ot being inquired upon by Ms Nagel. There appears tc
be a large area that drains to the ditch on 148th upstream of the x-tite that drains iowards the Nagel lot. Conce�ns
had to do with quantity of wate► and siltation from cfearing and construction. The x-culvert on 147th by the Nagel
residence collects water from ihe drainage under 148th, the ditch on the south side of 102nd and wesi of 148th, plvs
some�un off from the stoped area between 147th and 148th. The ditch draining to the x-culvert under 147th is grass
tined and mowed, providing a sodded ditch. Did not observe siltation or erosion in the ditch or at the outlet. There did
not appear to be a disgnated sueam as such at the outlet and thru the vacant lot, but there was a difference in
vegetation colo�ation as if to identify moisture.
Photo 1) Looks north on 148th from driveway leadinp to 10220. May Creek is just prior to end of road.
2) Looks south on 147th from 102nd. x-tile is in fi�st part of ditch.
3) Reverse view where x-tile is at hole lower right.
4) x-tile outlet is at buttercup line between two posts.
5) View of lot of interest by complainant.
ketch: �`��� . '
Av
SE �
1
� � S��oz��QSt
_ �--�— <--- •-- �-- �
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toz�l r t � �
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t4 q-i Et � �
� � � i2•'c�r+^t �� �
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� �L
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1
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1Y�� �
�✓ i� 1t
Investigated by ��Q tX.r.�/�,,,�,�,,,,�... �� Date 7 -/� -S� t
V~��
C _
�
- , � KING COUMY SURFACE WATFR AJIANAGEMENT DMSION . � -
" - DR.AINAGE I]NVESTIGATION REPORT
Page 1: INVESTIGATION�REQUEST Type__��
f cehred by. � 6�L� Date. S � _ S OK'd by: Fde Na c�.5- d�,/20
Recen�v from: (P�ease PriM aain�YY for a�in�)- (Da� (Eve)
NAME: �'�1 v�t A �aNe�c L ! PHONE �SS— ��4� I
ADDRESS: �O�I S ��7�N ,�OI/� Sc �Y ��'rir��J State l�/,A �P �'d�CJS
Locatiot� of problerr►. if different:
Reported ProbJem: . �
�
C L.4-sS 1� S f.2 E?3/Yl �/�f✓�-SC S . �rr/O��•'Ji(it/Ts /�'�-v��'��r-�!
��i�� /S �"J�/c.'��/G/�JS- sc✓��x t= �.2�s /d� /�c�d S cs�
I
�� (J��/G C. �t��trZ d�✓ylfj-�v(/'T GtJI�L�% t�0`�✓ �c DD s✓c T I
S'��/G/-�� C►��J�vEL ? �v�T� ,�73SiSZC�'�d �
���nr �L �- �o s�� � �1�'0� ,��,r-� �,��d2 r -r��
/����lf�`��.P .
P�t��� C a fJ'om 6/e� Lot No: ,Z Block No:
Other agencles irrvdved: No Fleld Investigation Needed
�ws�
.�. ""it�k",#�+l��i' '�i��yr�,y���r�;:.;��ik�ik# ::: - ��W�Zw, ��y]��_+ li��+ir�ijR�ik�k�ae#u>'��,��c,��ial�'!�k#%1#�t'#�kf�ik:,�#•
-�' /��1i�'�'"`wW'.�����"r.',.-•f': � 6 ,.. .•����In)F'•"��I:MK�.���HN"���+i�c(/�:iN:l�� .
sF 3 Z 3 � Parcel No.t�76 yo oozo Fcrai Sao E rnBros: New �z6 sS
,/4 s T R ad 3 s�z
Basin/y�J�/ CouncM Dist �Z Charge No: /k� cc� �jS-����
r_T_
RESPONSE: Citizen notified on �l�/`�S�by �ptwne_ letier _in person 95-Dyo3 �5'yoi ,�
�L..'u� L�t�wl,-i c,. �✓l� -�c� {,h io r-tK �^Yr ��c..i -4�n;S w�u � S'u.� -�o '��tdl!Q�
��.� -�a�_ ���c ;� ti�
DlSPOSlT10N: Tumed to N on — ��l�sb OR: No further actlon recommended becaus�
� � Y
Lead agency has been notified:
_Problem has been corrected. _No problem has been ident�ed. Prior Irnestigatton addresses proWem
See File# -
Private proWem-NDAP wi!l not consider because:
Water originates onsite and/or on neighboring parcel
_Location is outside SWM Service Area. _Other (Specify):
DATE CLOSED: Z b .
--I_� Y N�0�- C_
� �-
- �� � KING COUNTY SURFA6E WA�ER MANAGEMENT DMStOh
E►�� [d:)[path]filenawe[.ext�� ST ���E���w�GATION REPORT ` ` _
Page 2: FlELD iNVESTiGAT10N
Detads of bivesdgaLion: _ �
complaint 95-0420 DONriELY, CLAUDIA
Investigated by Doug Dobkins on 5-3-95
Meet with Claudia Do�elly and her husband at their home ai 1041 S 147th ave southeasL The Donnelly's are
concemed about the small creek that nins through their property. A class III stream nms along their west property lino,\
Mr.Donnelly thinks that upstream development is causing some erosion amd satwating their property. I took Mr.
Donnely on a tour of the area to show him what is draining towards Ivs property. There is no new development
upstream of their property. The drainage basin consist mosily of grass and pasture. Mosi of the Iwuses are tocated on
large grassy tots or on 5 acre Uacts. After driving the area cvith Mr.Donnely I didn't see any violations or problems in
this area with the drainage. The Donnelty's live in a low area were water oollects in a small channel and drains to May
Creek.
The other concern af the Donnelly's is a new plat that is going in on the north side of their property. This v�at is
ac[uall tocated in the Ci of Rentoa There is a outiett ditch on the narthside of the neighbor to he northwcst which
even y drains to May Creek. The Donnely's want to know if this water is being aocounted for by the New Ptat of �
. I said I would check into this for them. I explained that the oounty has no anthority over this plat but I would check
on ihe plans.
.;;
Cec �:= �
::nca: -
c%i-
aws �s�w.w ���: �
--- ._.. ..,-.-x-�_:.. .. .
........... --.... .::.: . - �
<..«----� .....-----n-•'�-•� - -----• ..::s-.:>:�-=:,�-�:_.:,•-'<>:�:�.: -_-_ _:YN;
.........::::,:::::::::_.-:..._.::_:,_,.:.�:::---.............---- -
.__.----.. . .--�----�-�::::._:--- ,k,.,:--;-, ,_,_;.;,�>n:;;=:.>:xx':--:.:.,:
...._.._.:.----..,.,:>;:iz:?x-.�.:::::..---._..- -
-'-'.- - "'�.�:.x�
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-.<:::---- -•-----��- -- -
..:
........ ............. �
=-- -- - - -=- � ::�s<"; �
;::.:::;.,. _._
:� ->:;�f�`�.��<�:,;
�`�' �:;:���-
'�:;:::.;;::.;�;,,.
:;�'�- .:<<:-
��
147th ave se
�— N
ti' —�_�-.
Irnestigated by Date
j0/O9/97 11:4� ZT'lu� Zu5 5aua n � tsr.� urrl�t ��� ucvn ���c�v��
.�
--. � Q3a-.
�
�O - ��� .. _MOCT 8 - �97
� . � ;
�
. c,..�:�,.�r� _,�:�. ,�.:�t,-„�
l�.w=s:.�r-_
.rrF�_.��
10415 - 147th Avenue SE �=`-`==`-r=�e11,�`'r��
Rentan, WA 98059 !��;�:r�a
October 6 1997 �,/ ` •
� /� ^t;:=�t�25:.E`"•::s,=:l;.',,-
—-- ' ..- �i-. r_--•
j�:5t�._:�_�� .. -�. . r�_r.
�° �1�:z!I�i I
Kng County Executive Ron Sims s=w I
King County Court House -r}} � ,
Seattle, WA 98104 �� � I
p�,�,� � ��2- � .
Dear County Executive Sims: � r�~ I,
It has been two weeks since 1 seni you my first tetter_ I haven't heard b�k from eith`�e�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_ i,
Severaf years ago, when Gary [.�ocke was County Executive. I wrote to Mr. Locke �
about our probiem at that time. Some County peopte came out and took a look at our
streamfieighborhood problem. i atso received a letter from him _ _ .
Piease advise me if I should sent the tape to your office or to someone else's office for
viewing.
Would it also be possible to get an apology from David St John? To have him tell me
that the County doesn`t care about us -- we'll 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, hut our property is being destroyed and no one seems to care. We also
pay taxes like everyone eise_ Since we've been told thai the County won't fix the
culvert allowing water to flow underneath 148th Avenue SE to Greenes Stream, how
are we to protect our property from future flooding that w'tll only be getting worse? Just
ignore it? I would appreciate hearing from you.
Thank y�u for your time.
Sincerely,
Claudia Donnelly
SGM� � < <-�('7
�ss
---�
�—�' —_
ifiiNG COUNTY SURFACE WATER MANAGEM�NT DiVlSION
DR.AINAGE INVESTIGATION REPOR7� �
Page 1: INVESTIGATlON REQUEST Type
Received by: Date: ��3���G OK'd by: File No, q5_ ���Q
----------- --------------------------------------- --J----- ----------------------=-------_-
----'-
RBCElV6d f�UlTl: � (Please print plainly for scanning). (Day) (Eve}
NAME: ✓O/?f�I �G��L�� ClGu��GL/ PHONE
AODRESS: �D�/J�' ��7 � ��e .5�. City State Zip%8D5'
Location of problem, if different:
Reported P�ob/em:
�
��{ ��'�c��ed L��e�
S��e u-l`s� � �i-- °� i 9
� �� ���� q
?I�t ra.;�z: C��M ��� Lot ho: � Siock ho:
O:h�r ac2ncias i�volve�_ No Fi21d Investigation Ne�ded
. (-ni7iar��
. _.. . .. __ _........_... .. ..__.._....__.___....... . . .. . . . _ . . _. . .. _ . . . . .... ... . . _....._ . . .._ .. __.....___._. __ .. ..
r�rxs: �-�rie�.it ae�-w�ic x#�ei�xtt xxzr :- :qr-� 1�;t �'�— —• � .t: ine * rt �r�►rr:-,r�'
:: ;:.: :s::J.:..�:C:,:..?�"�:c���::.z.:�F�1: i��lv�::i-nCG:-i,;M.: :�:,ar_ _: <::: _,� ��,�
.SE ,3 z3 �j ?arcel na. /7710 `�� �Q� Kroit Il�� in.3ros: New��J=
�;� s T R Okd ?J�17G
�asin /1')�� Cauncil �Jist �2— C�arge No:
--- ------- ------ —�_— �o��
RESPONSE_ Citizen notifieci on by _ phon� _ letter in pPrson �, q�
DISPOSIT/ON_ Turned to on by OR: tJo further action recommended bec
Lead agency has been notrfied:
P:oblem has been corrected_ No problem has been identi(ied. Frior investi�ation addresses prot
See Fle r
Private problem - NDAP wi!!noI consid�r because:
Water ortginates onsite and/or on neighboring parcel
Location is ot�tside SWM Service Area. Other (Speci7�):
DATc CLOSED: � ( /�(o /�_� by-<� Lv�.� I��iv-- ��j
fJ
- _' • �. -- _� - . - � � p g�is�s
AUG 15 �995 RECEIVED �' ! Q �'
� 10415- 147th Avenue SE ���� �ryE �
` ► .. Renton, WA 98059 T� f ' lU
;:: '�•�.-:`=`Y August 10, 1995
P',;-3�'1C VitlR,':5�J::tEC�{� DUE DAT6
AUTHOR:
County Executive Gary Locke �B�E� �
King County Cou�rthouse ACT�oN
Seattle,WA RESPONSE FOR EXEG S1G.
• / � RESPOND FOIt EXECUTlVE
RE: Frustrations of a County Resident �y�EW�p BY
F.Y.k
Dear County Executive Locke: -
I would Iike 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 partially caused by the county.
My husba�►d and I,along with neighbors Steve and Mary Keech,live along and at the bottom a .
Class 3 Stream — it has no fish in it and is dry part of the year. The oounty(DDES and Surface
Water Management)considers it"Sensitive"land. Last winter we had very bad erosion
problems. Above us on 148th Avenue SE a property owner clear cut his 5+acres.The stream
runs through this property. We aze getting run-off from his property. Another property owner
(Blacl:mun) lives at the corner oC State Route 900(Renton-Issaquah Road)and 148th Avenue SE.
Over the last year or so,he has been clearing his propert}►(which he has every right to do). Now
we are getting additional run off from his property. The covnty's part of this problem comes from
the drainage ditch down I48th Avenue SE. Half way down the road,a cuIvert diverts the water
under 148th Avenue SE and into our Class 3 stream. Now there is even more nmoff water for us.
I
In addition,there is runoff from a City of Renton Development called Summerwind. The City
doesn't even acknowledge that this is something ihey aze to take care of. The water is coming
down the hill and eating away at the property(in King County). Eventually it will affect us. And
in the long-run, this siltlwater/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
Meyers of SWM came out and again looked at our problem. Because we are only 2 home owners
affected by this stream that have complained,noihing can be done. We were told that if a property
owner's access to his home is threatened or a home is threatened by waterlflooding, then
something can be done. Earlier this week Mr. Blackmun was doing some additional
grading/dearing of his property apparently with no permit,so after�taiking to Mr. Meyers at SWM,
I called in a violation. I got a calt back from the Grading Departcnent and they said that what he
was daing 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 fiIl it full of silt--it's the same water. Our property is
being partially destroyed by the people upstream from us and we can't stop them. Mr. Blackmun
wants to put a development on his property and we are writing a letter to the Planning Department
to express our concerns.
It is going to cost vs$500-$2,000 to get a permit from the county and buy materials to Gx our
stream only to have it destroyed again next winter. It will cost more for the permit than it will to fix
the job. We pay taxes to the Surface Water Management System, but we can't use the funds to
. o.. r � s�.. � o`o �'� , �r-
hetp us. - We were also totd thaE 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 probabiy have more problems this year_ I know that everyone is just going by
the rules/regulations that are on the book, but this is frustrating. Will the county ever help us? I
doubt i� The raoords from SWM will co�rm there is a problem.
I was totd 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 does it take to have a real problem?
I would like to invite you to our house to see what the problem is.The people in SWM realize ihat '
there's a serious problem,but their hands are tied. Maybe if you come out and see some of the i
probtems of'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 helping people with drainage problems. This is a lot bigger problem that keeping the
. baseball/football teams in town.
Thank you in advance Cor listening to my frustrations. II,
Sincerely, �'
,
C��f���/ � ��
Claudia R. Donnelly
c� Mary and Steve Keech
Counciiman Brian Derdowski
� a.-__ ��� � �
KING COUNTY SURFACE WATER MANAGEMENT DIVISION
� DRAINAGE INVESTIGATION REPORT `
� Page 1: INVESTIGATION REQUEST - Type �
Received by. ��D Date:. _ /f �/U,� OK'd by: File tho. �5_ O�C
��-- ---------------=-----
Received f�om: (Please print plainly tor scanninQ). (Day) (cve}
NAME C/��/�-t a/ ^ - �D�J/'�'eI/y PHONE
ADDR�SS: �O T�5 �y7 � ��e s� City ���N State _ip�
Location of prohlem, i;di�erent_
Repo�ted Prob/em:
- �'ee G�-�-�h�c! ����t°�.
�,_. � �.__ C��,� �1�,-,
. ��� ..�.�.�. L�: No: � 31ock r:o
�.iilc: cC�+7C1�S i7VOi�8C: NO �-121Cj I('iv�Si1C�3:lO�l h3cv:�
. - r.�r..�_.
rx': � ��c.,c.c x:i:���-.riv:t�'���._J;'�'JY-vvfiT���fti1.3'_.'��.Cl�.—'l=�f.�.J�r�.i_ �i::�.rx:��,:-� _ �.>
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:,; � � :; - o�� 3 5 D
2zsn�A C�uncit ►�ist �'�-� C;�a:oe h'o:
R�SPONS�: C:izen notii+ed on by _ phone_ letter _ in p�rson ��-ot��/'1
��
�� Q�d J
q5 - 07l�
DISPOSITION: Turned to on by O?: No f�sther aciion recommended b�
Le2d zgency has been notiried:
_ :robt�rn has been corrected. _ No problem has been ioentiiied. rrior investio�tio� ad�resses pr�
See=�le t
_ Priv�:e problem - h�DAP wil!not consrd�r beczuse:
Water originates onsite and/or on neiahboring parcel
Location is outside SWtJI Service Area. O�her (Speci�-}:
DA i� C!OSED: __�_/�/� b}�: --
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King County
Department of Public Works
Yesler Building
400 Yesler Way,Room 700
Sealtle,WA 98]04-2637
(206)296-6500
December 27, 1995
Claudia Donnelly
10415 - 147th Avenue Southeast '
Renton, WA 98059-4213 '
Dear Ms. Donnelly:
Thank you for your letter of November 19, 1995 informing me of your concerns at���:�t �,r�
Creek. I apologize for the delay in responding. The flooding of King County's m
at the end of November drew staff inembers away from other duties.
I would like to clarify Mr. Gettle's comments to you concerning the sediment leaving
Mr. Backman's properiy. The Surface Water Management (SWM) Division's process for
addressing this type of problem is through the Enforcement Program. Since ihe SWM
Division does not have the resources to address all enforcements, they are prioritized to best
utilize the resources available. As you can see on the enclosed Enforcement Prioritizadon
SysEem worksheet, the Enforcement Program does not address impacts to private properiy.
(Private property impacts are addressed through the Neighborhood Drainage Assistance
Program (NDAP), which I addressed in my previaus letter.) T'he initial step in the Enforce-
ment Program is to contact the owner of the property on which the violation ezists 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 refened to the problem on your property, he was referring to the cloudy
appearance of the water flowing through your property. The only identified problem
associated with the suspended solids in the water flowing through your property is an aesthetic
one. The particles in the water will not settle out of the water until the water comes to rest
for a long period of time. The particles do not cause additional erosion, they do not pose a
hazard to wildlife on your property, and they do not affect the capacity of the channel on your
property. Although aestheric problems are real problems, King County does not have the
resources to address aesthetic problems on private property at this time.
SWM personnel have spoken with Paul Lumbert of the City of Renton Puhlic 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 �i
made a general comment that at some point King County would stop worldng (and spending
money) in an area that had been, or would soon be, annexed. In general, this is an accurate
statement; as I indicated in my last letter, however, the NDAP will continue to work on a
project up until the date of annexation, at which point King County will wait for direction
from the new jurisdiction on how to proceed with the project. Mr. Lumbert also confirmed
that the drainage facilities in Summerwind Division 3 have recendy 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.
King County personnel are aware that Green Creek is a tributary of May Creek, and the
SWM Division is currently preparing the May Creek Basin Plan, which will be submitted to
the County Councii and affected cities for approval in 1996. The Basin Plan is a comprehen-
sive study of the May Creek basin and includes recommendations to improve water quality,
improve wildlife habitat, and reduce flooding in the basin. The Basin Plan does not contain
any recommendations for Green Creek and does not identify it as a significant source of
sedimeni or suspended solids.
lfiank you again for your continueci concern for Green Creek and the May Creek Basin in
general. SWM has many volunteer programs for people who are concerned about the water
resources of King County. If you would like more informadon about volunteer opportuni
3t $WI1'i ' - - •_ • • -- - T''i it � 7_ _ r�' �i �_ l. i r n. i �n� inn
S� �
P Tanaka
�
Director
PT:beczo �
Enciosure
cc: Paul Lumbert, Office Engineer, City of Renton Public Works
Jim Kramer, Manager, Surface Water Management Division
ATIN: Diek Thiei, Manager, Engineering and Environmental Services Secdon
Anne Bikl�, Cedar River Basin Steward, Watershed Support Unit
. . _ '��
K1NG COUNTY SURFACc tti►ATER r��aNaGEn��N i D�vtStON
DRAINAGE IN�VEST�GATION R�PORT �
. Page 1: ItVVEST)GATION REOU�ST T�•pe (�/
_ Received by: - -. Date.: _� � - Gj'/_ OK'd by. `�l��� Fle t`'o. q'�=1�Z
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NAAMc: I`!�-�� W-CS��n PHOIJE�O "'98/7�
` ADDR�SS: - 17�0 �7 �� ��;IND�I��S� /�L7 . City. ��'1-�UN State :.i�l�
Loc2tion of problem, i�diKerent_ . �
R�por:ed P�oblem: �
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?riv��e probl=:� - h'D;� vii11 no[ consid�r bec2us�:
1�fater o:iaina�es onsite 2nd/or o� n�ichbo;ing pr_rc�i
!ocation is ouisiop SVJt�� Service Are�_ O;h=r (�p��cf��}:
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complaint 96-0143 Westing, Kate
investigated by Doug Dobkins on 2-21-96
Mrs. Westing lives along SR900 and is concemed about the runoff from the
roadway impacting her home. There is no street drainage in front of her home
so the water runs from the road frontage of the property to the west to the
Westing property. It appears the wa#er 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 Kng County. If maintained by IGng County then information will
be forwarded to King Co. Roads. SR q oo �s w►�..►�-�:� b y �- �� •
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SR 900
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� "- KING COUNTY SURFACE WATER MANAGEMENT DiVtSlON
s DRAII�IAGE INVESTIGATION REPORT
Page 1: INVESTIGATION�RECIUEST Type �_
Received by. Date: 3//,3�9� OK'd by. File No. g� -- 75(
Received from: (Please print plainly for scannine). (Day) (Eve}
NAME_ �Oh�']-��LJ� (�(CGI,CGt,L/•LJ PHONE
ADDRESS: ���"�-5 ��� � ��� S� City �-�'���I�l State�p Zip 9�Q�
Locafion of problem, if different:
Reported Piob/em:
- �'� �-7"l.�G�,D —
,
Plat name: CD � Jv� C'�l�� Lot No: a Biock No:
Other agencies invotved: No Feld lnvestigation Needed
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s F 3 2 3 5 Parcel No. � 7 7��� b� 2'O Kroll ���� - Th.Bros: New�� �`
� a
/ S T R OId 35 �2
8asin I71� Councit Dist � Charge No:
�I RESPONSE. CRizen notified on by phone letter in person ' ^ �
�� — — —
DISPOSITION: Turned to on by OR: No further action recommended becau:
, Lead agency has been not�ed:
�� Problem has been corrected. _ No prablem has been ident"rfied. Prior investigation addresses probten
', —see F��e # -
' _P�ivaie problem - NDAP wil/not consider because:
Water originates onsite and/or on neighboring parcel
_Locaiion is outside SWM Service Area_ _Other (Specify):
DATE CLOSED: _1__/�/ I G: bY= � -�g� L�- 711'Y'�_ C x�- / ��„ n� ;.- �
�'�.�---�---�---. �...____��'_' ,.'_r....._. ..___�_���.� -_-' - - .. . _ . . �.r� _. ...< � i. �. _�:t: II
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_ Ej�T�� MAR e �886"
R�G R�..���E� �
� � i9g6 10415- 147th Avenue SE K�t�G COUNrr UT� oFF�CE I�
MQR Renton, WA 98059 jp: - ' h •
���NES��EGZ� March 3, 1996 nt� flA�
KpNqAt�� AUTNOR: ,
���. ��(��Vkf-.S SUBJKT-
County Executive Gary Locke 1(�t.1�.I`�� / �`�T�
King County Courthouse V RESPONSE FOR ExEG SIG.
Seattie, WA �ESPONo fOit ExFCUr�VE ,
REVIEWED QY �
RE: Ki�g County Giving Permit Granting Authority to Renton f.Y.l.
DearCounty Executive Locke:
�: �N�����-�'�'
I would like to eYplain 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 running for governor_ I
would hope that you are aiso concerned about damage being done to our environment and the
flaunting of ruJes that[ have seen or heard abouG
I
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 _�
raises a red flag in his mind.
This development has a habit of doing work on County property without having the proper
permits_ An example: At the north end of 148th Avenue SE, there is a bridge going across May
Creek. The developers had private contractors put in a little walkway over the bridge and put a
water pipe under the bridge without having the proper permits. How do I know this: I was told
this informaoon by someone in the Public Works Department. This developer is now getting the
necessary permits or intergovernmental agreement.
On February 21,a contractor employee did some clearing work on a right-of-way on land located
in this development. He then crossed over into property located in King County. This property is
also loca►ted near a Class 3 Stream. There are no erosion barriers in place --just straw. (See
enclosed pictures)_ It 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 «•as going to call the City of Renton officials. He said,"Do what you have to do lady_"
Sa, [ called the City ot 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 concemed 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 thai Friday, I got a call from an inspector and she said that ihe County would fine the developer
for not having permits. Then I got a call the next day from this same tady and she said that Renton
had a11 tt2e permits_ I did noi understand what she meant. In addition,I received another call from
a different DDES office who said that I shauldn't call the Department of F_co(ogy. Well, if the
County dcesn't care about this land then maybe I should call the state.
This aftemoan, I spoke to someone in a DDES car and he told me that King County had given the
Citv of Renton ihe authority to grant whatever permits it wanls for work on County Iand. How
can that be? If we did some cleanng by this Class 3 stream, we would have to get permits from the
�_
. • ��
County. Plus we would have to put some erosion barriers. How are we going to protect this
stream from damage?The City of Renton surely isn't going to do so. Last November I called the .
City of Renton about environmental damage(that 1 had pictures on that was occurring in this
development� This Renton otficial only got concerned when a Departmer�t of Fisheries person
came out to do an inspaction. Who do we cali to complain to when the contractor screws up on
Co�nty land? No one in the County seems to care about this tand except us.
Da 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 the �
City of Renton the right to do this without talking to the County? 1 have been told that the City:�
now talking to the Department of Public Works about vaca[ing this road_ Again, this is happening
after the fact�
Sincerel I
Y.
���� �.�
Claudia R. Donnelly
c7� (�,�-��C" ��`-� �U� �i� � f>I
,k � � . . _.., � .. : �
KING COUNTY WATER AND LAND RESOURCES DIVISION
DRAINAGE INVESTIGATION REPORT '
. - Page 1: INVE��GATION REQ�IEST Type _�
�xoB%�:� ��RJn�/aG�=
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Plat naine: �a.yi,� ��,}� Lot No: �2- S3 Block No:
:.��
Other agencies involved: No field investigation required
_,�
initial:
•k� •}
'N�'� 23 �
�/a S T R Parcel No.�S�' OS� -�Kroll �� Th_Bros: New-4�-
Old ��2
Z
Basin V�►Y�' Council District 1 Charg�,No.
RESPONSE: Citizen notified on ( by: phone letter �in person
C��J � / r� �
C c....o�ep � clTy o tL �-P�/i�n1 �02
� ,S�o S;��o � �,� ,��02�,�� �, � c dN vey,�r��
DISPOSITION: Turned to an / / by___ OR: No further action recomrnended because:
Lead agency has been notified:
" Problem has been corrected. No problem has been identified. Pnor invcstigation addresses probiem:
SEE FIL.E�
� P:ivate problem-NDAP wi11 not consider because: ,
Water originates onsite and/or on neighboring parcel. I,
'C� Location is outside WLRD Se 'ce ea. Other (Specify): ,
DATE CLOSED: �/ /�Z li � BY: I
.�r/T '�-B�
Complaint 99-0196 Gallagher
Investigated by Pat Simmons 03/11/99
4�30^?2L9
I met with Mr.Gallagher,Bob Arthur(City Of Renton),two other city of Renton officiais,and two other
people from Chaffey corporation to discvss the a flow of water across two lots of the Stonegate
development.The water comes&om the East to the ditch along 148'"Ave.SE flows about 200 feet along
the road then under it at�d throvgh two private tots then under 147'`Ave. SE and into a field toward the
development.The water then runs across the lots to the area were it seems to infiltrate into the ground.
They agreed that the water needed and could to be colfected and conveyed across lots in a pipe.Tt�e City of
Renton and Chaffey needed to work out a few details o�the plan before the houses could be built.
ST�Rr"I
Lo[53
148`h Ave. SE
,{ �M Drainage Path
��'" 1(f�
��Q
- I
Lot 52 �
12"Conc
�-- �_
147"'Ave. SE � �s
�----
.. . .. . .. ..... - _ .-.'. .._._. ._. ,-.r.___�_��_�.,..:,,.c:7 _ - � '�...fi..
_- -��� � KING COUNTY WA1'ER AND LAND RFSOURCES DIVISION
� �.,, .,E-p � �x � �
' �`'�`� DRAIN�GE INY�STIGATION:REPORT��;` �� �� ;`.-'
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• _ _ :":r , - , - x ;r � F�,-fs �,,,v .
- . Page 1: I2JVBSTic3ATtoN REQuF,ST' ' , ?t, . ,;-�-TYPe `_�Q_
-� PROBI.EM: �r�/G[oi' . . _ ._ _
REc�vED BY: C'� - .. Date: 4•2 r-�t�t OK'd by --= - .�-�=N FILE No:'�-�
i ' - . . ,, .. :- ._ - - -- � -
� Received from: - , _ - - # ; �. : .
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�DxEss� ip a','o'�/ 14�1=[4�T'`� � � c�ty � � s�e zp I
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; Location of problem, if different: . : . , -
� . � -. .
� � Reported Pl►oblem: CAI,L FIRST ❑ (Wo�ild I.�7ce To Be Present) - _
; • , �
� �ea5� �� �-�-�-�c� l_'G�
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Plat name: Lot No: BlockNo:
Other agencies involved: No Seld investigation required
initisls
I/a S T R parcel No. Kroll Th.Bros: New
01d
Basin Council District Charge No.
RESPONSE: Citizen notiSed on by: phone letter in person
DISPOSITION: Turned to on / / by OR: No further action recommended because:
Lead agency has been notified:
Problean has been corrected. No problem has beea identified Prior investigation addre,sses problem:
S��u.a�
_ Private problem-NDAP wiU not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Service Area. Other(Specify):
DATE CLOSED: / / By:� ��� � �L �
I
,
— --- — . .
. �. �.
� Shannon, Kathleen -
From: Norton,Ann ��
Sent: Thursday,April i 5, '1999 3:15 PM =
To: Shannan, Kathleen
Subject: FW: Citizens rights? Do we have any?
,._�
---Original Message-- —
From: Bissonnette,Pam `
5ent - Thursday,AprU 15, 1989 2:01 PM -
To: Hansen.Nancy � b �_
Cc Kf�,Greg;Welch,Maureen;Sims,Ron;Norton,Mrt;Tanaka,Paul . _.
;�y,__
Subject: FV11:Citizens rights?Do we have anyt
Nan another one for ou. Wauld au lease have our draina e sectan coord w/DDES and provlt�p a �aM��pn��? �n�
�Y. Y Y p Y 9
please treat as ccf. thx all.
---Origlnal Message---
From: Sims,Ron
Sent: Thursday,AprU 15, 1999 7:09 AM
To: Klpp,Greg;Bissonnette,Pam
Cc: 'thedonneqys(�infocor►ex.com'
SubJect: ClUzens rights?Do we have anyn
Pam and Greg -please follow-up and report back to me, thanks. -ron
F►om: Mike and Cla�dia Donnelly[SMTP�thedonnellys@infoconex.com)
��nt: Wednesday,April 14, 1999 T33 PM
i: Sims,Ron
.. Detdowski,Brian
SubJect_ Re�CRizens rights'7 Do we have any7
>Dear Mr. Sims: ( found out some information talay and feft even more
>frustrated with KC, so 1 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 did�'t
>remember his name. Vllell, the SWM person said it was ok with him to put
>the pipes where he did_ ThaE Renton o�cial also called me a liar. I
>saw wark 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 pf State Route 900,
are two culverts diverting water from the ditch along side 148th, under the
road through peopte`s yards and+nto Greenes Stream and then onto May
Creek. My neighbors and I get the water from the first cubert—500 feet
north of the State Route 9Q0_ We have tried for years to get help from
SWM. But since we are only 3 houses#hat fbod out, have erosion damage,
etc.,we don't counUrate. t wrote you previ�usty 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 devefoper that if the water
goi to be too bad coming from 148th at SE 102nd ST. and it started flooding
the nice new hames that are to be buitt in Stonegate, that the County might
have to fix that problem ar►d divert the water to May Creek aiongside 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 channet the water
rotect her property. WE DON'T COUNT--8UT A DEVELOPMENT IN THE C1TY
ENTON RATESHIGHER PRIORITY FOR KC SWM THAT INDIVIDUAL KC HOMES THAT
.-.�.� riAViNG PROBLEMSt!f
I wrote to the Growth Management Committee and the Commitfee 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 gaes to show you
that we were right. We don't fatP -- h��f ���-�� �- -�
_� `� � ��
`°` �"`'� '�'� � KING CO YUNT WATER AND LAND RESOURGES DIVISION �
_ : DRAINAGE INVESTIG�TIOAT REPQI�T
�, Page 1: INVESTIGATION REQUEST . • Type. � "
PROBI�i` -G�1L�J"�.f/J •
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RECEIVID BY�',�kr ' f-,• Date���=�� OK'd by: � FiLE No. q� �� -
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` ��Location of problerr�if different�Qk;!�� ���,.�= t sS K�t�k{-�H� ���'� . -
_,,.� ,<: __ : ... ._ . . _ , _ , -: _
- Reporled Problent: CALL FIRST ❑:,(Would Like To Be Present) , . ,
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�i S - D I� 8� W G J� b�e�t, lr�v�- h � ,n..e rn�s �'�w-6� ,
� �s - a � �� S� �=� ��,,��,� ;�.� �-,5���.� �dd�-ss
Plat name: �,� C! � ' 0�7�� �"�''��S �v`"�`rn�Lot No:ti B1ock No:
Other agencies involved: No field investigation required
initials
_� g 2� 5 Cl�7�o4o c,ro�)
I/a S T R Parcel No. Kroll� Th.Bros: New �Z�v��
Old 3S D2
Basin L1�1/�^ Council District� Charge No_
RESPONSE: Citizen notified on G� ��-� 9 by: _� phone letter in person
�F� �'!-�6" �'��.� � Co�r.�C� M►�" .G.tniP .�.4�,,..is Ao....✓ �vYlJ'.�-�"1 /'f i.-�'
Y�A�-�- !� 't�'% _ '�t'Q'n �!l G.tv�r,✓s c.r�rlr Da..,.� y��v,r_ .�f i Ta G'v-�rGc` � �"`�
I��2d�r o�--1
�
DISPOSTTION: Tumed to on / I by OR: No further action recommended because:
� Lead agency has been notified: (�f/ � � C� �
_ Problem has been corrected. No problem has been identi5ed Prior investigation addresses problem:
s�a Fa.a#
Private problem -NDAP will not consider because:
Water originates onsite and/or on neighboring parce1.
Location is outside WLRD Service Other(Specify):
DATE CLOSED: � �/�� / ,/ By:
/Jfi�. � . � �.. �. .. �
i
,,��� 4 ` '
� �'�`"_� � -
' � � �� � �,
� • Complamt 99-07�0 D . . e : ;�, � .
Investigated by Chris Treichel 10/14l99:.-": .� ' . `'` -,-'-f x-` " . ; - "���� ��•` ; f== ` ';
Visited the site on 10-14-99. Nobody was home at the Donnelly residence. Went up to Renton Issaquah
RD where the constr�ction is taking place. Talked with one of t6e project managers. There is a swa(e that
runs to the north,that ends up running into May Creek_ 1 could fmd no signs of erosion taking place. The
project manager stated that they remove the dirt from the site and fiil with slurry. It is a day long process
and they do not leave a trench when they sto��v�rk fc�r the day. There is�his type of�ti���rk occurring ail
alono SR-90(1 do�vn to the City ��f Issaquali
3E W�ay Vafley RD
,
� �
I _ -- - -- -
Runoff Swale
approx. 1 '�
mile away �
�
�
Area's of � �
work. �
Donnelly's
Property NTS
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Reported Aroblem. cALL FFIItssr � (Would L�7ce To,Be Present� � �'; � _� =} � t- r�- ';
.� T 'F`s '3' cT tx r F; .
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_ " -����/� �i�i�7�`��. � ��� [��� -. �
.�
� Plat name: Lot No: Block P �
4ther agencies involved: No field investigation required_ .
initials
�� R -
� � � r
I/a S T R Parcet No.1`')22�5qD(� Kroll� Th.Bros- New �027��
Old 3S�3
Basin�� Council District� Charge No.
RESPONSE: Citizen notified on _. -_`_—c� by: phone letter in person
56-�" �.�y � �swo!.
DISPOSITION: Turned to on / 1 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.
SEg�#
_ Privaie problem-NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Servic Other(Specify):
DATE CLOSED: 14 /�S/ 9 / By:
����S7-i�r�1 %
_ _;:.
_ -��� ��' � - ` -,� ,.� �b,
R . ; . 3.�.��P. tY� .f .
' �-t-lA. � � _ . �•: r- -: -�'��`�.
•�'r
��:�,
Complaint 99-0725 Ar�nymous . .. �'��.,'��`�'..�,,
Investigated by Chris Treichel 10/19/99 � ' -
-�_� �� f Y_�
Visited ihe site on 10-19-99. This is in the southeast roadside ditch at the intersection of 148'"Ave SE and Yg � � �
SE Renton [ssaquah Rd(SR-900). There is currently construction taking place within the roadeide areas all
along SR-900 by Cannon Construction, installing fiber optic cables_ This area was part of Iho work. The
ditch receives run off from the east,south via a swale and south via a roadside ditch along Iha Custside of
148'"Ave SE. The water flow's northerly under SR-900 via a 14"cement culvert and caili►�u��n�rtherly
to May Creek,which is approximately one mile away. There did no[appear to be any sccli��wiit in the
water. The ditch does have reed type grass and straw down to"clean"the water prior li� flirw►�iK in�o the
P�Pe•
Swale
14813 SE �
Renton
Roadside
Issaquah RD �����.f���
.
-
. ,
-
.
♦ '
:
Drive and ._. ._.....- ...--_...-- --> <-----_--
Parking
14"Cement —a `4E � �'� � `��
— Culvert
���IOB�
� ��7'��
�
- �
�
t/�
�---__....:` �
�-•�- - KING COI�`NTY WATER AND LAND RESOURCES DIVISION ��y�
� 1)RAINAGE INVESTIGATION REPORT
. Page 1: INVESTIG�►TioN REQuEST Type �
PuoBr.�: C�.LAh.t,r�� _
RECEIVED BY: �'� Date: t` �4 OK'd bv: Fn.E No. �)—(��2(�
. -.
Keceived&om: _ _- "
. (DaY) �'LS� (Eve) ��
N�: �U���.�t.0� ���,� PxortE 2�� —4-34 n �
ADDxEss: �.��l� �4-( �` �N'� � City State Zip�
Location of probtem, if different` .
Reported Problem: CALL FIRST ❑ (WoWd Like To Be Present)
�rrrilrt �kn�.n�rr,n� �J to"i�O 44S"�'"' }�S� i,o C �"�- ���'��"
� -�-� .;}�..e� �(,i,tz,+� a.:Q.crnr� � h�ol . C,l u�u�(,�p.c� i,a �an�Celt.nel
p�(rrh,�,�" �I-1�.. .1�-�-�""--� ��-�,I�n t lne.. +..o oh �..a n,o'�-. .
�}�,,� � I� t;va��.r�, �,�.�,,1,J��u;t4.t"'�- �r''`-�' C� , '
�°1��"� ��w c� ccw� �r �v ���- ��f.u.� c �
� �a� �YI,loLU'rw �.t�c�t-� a�Nv't- �ii.��v�a-�-��-, c,c.9ln�c,c,+� �a:,t,t�,�
� a � � o-� ���o �+�-�4 .A�-e�- � �-1 ou� in�o �-�-��+.�) (�1 a��'
.�h��►'�'`� �l U����''"`�1� ' � -
Plat name: Lut Nu. isluc�: N;�
Other agencies involved: No field investigation require�_;
' t�:�,
� — -- ------ —----- -
_�� � � �--- -
1/a S T R Parcel No.�7(D`�0�2-� Kroll �� Th.Bros: New �
old �-C�
Basin� Council District � Charge No.
RESPONSE: Citizen notified on �"� 'U o by: phone tetter in person � e-�-a
�;"'�/L`v�� j���� S LGi�r7�-- �"r /✓�� � 1�i � '-
�
DISPnSITION: Turned to on / / by OR: No further action recommended because:
� Lead agency has been notified: ������ �.i��� ���
� Problem has bcen corrected. No problem has been identified_ Prior investigation addresses problem:
SEE I'II.E I� Q
____ Yrivate problem -NDAP wilt not consider because: ��
Water originates onsite and/or on neighboring parcel_ � �
Location is outside WLRD Servic ea. Other(Specify): �cl
DATE CLOSED: � 1 � I�' y /� � �
i C/ B ��% L
���
��"f-�� ,'/i�%,!---;X"�-
.
�-- � - .-_� _ �-. �; _ . ��� _ .,� �.
Gettl`�z . �`�.. , . - . .
- � �� _� �,�.a„cr.�� ���'_" -
From: Crawford, Curt
Sent: Tuesday, February 01,200Q 1:29 PM
To: Gettle, Larry
Subject= FW: Surface water problems
Please plan to join me in a meeting with Nancy at 3:45 today to brief her on the Donnefly
problem.
Thanks, Curt
----0riginal Message-----
F�am: �;" H�risen,Nancx�
Sent: Tuesday, February 01, 2000 t2:55 PM
To: Crawford, Curt
Subject: RE: Surface water problems
we need to discuss as i'il be put on the hot seat wlirons on Friday about it_ Seems fike�Ne're
taking lots of heat for DDES.-
—Original Message--
From_ Crawford.Curt
Sent: Tuesday,February O1,2000 12 ',n F-�h.1
To: Hansen,Nancy
Subject: RE:Surface water problem��
No, unfess you want an update on tt,��:� I ��,:���, ��i,�nn�r�":� � � �� � � � � � � ��
discussion with Seattle on the r
-----Original Message-
From: Hansen, N-;
Sent: Tuesday, Feb
To: Crawford, Curt
Subject: FW: Surface water problem
Curt. � , _. ; � . ::.. . :� :
Thnx
-----C:
From: Bissonnette, Pam
Sent: Tuesday, February 01,2000 12:02 PM
To: Tanaka, Paul; Hansen, Nancy
Subject_ RE: Surface water problems
Nancy, Please let me know when and how we are going to respond to this_ Please
get w/DDES as well_ t expect Mr_ trons will be asking about this when you meet
w/him. We are scheduling each Div Mgr in to meet wlhim. We are starting w/SWD
today on their pressing issues.
-----Origina{ Message----
From: Tanaka, Paul
Sent: Tuesday, February 01, 2000 9:49 AM
To: Bissonnette, Pam; Hansen, Nancy
Subject: FW: Surface water probfems
� . .. - ,_ . _ � . . _ . �._ - . .�-.:<K _ .-
-- Pam and Nancy: fyi. Paul
----Original Message—� !'
From: Mike and Claudia Donnelly Lmailto_ihedonnellys(a�oo.netl I
Sent:Tuesday, February 01, 2000 7:36 AM �
To: Gettle, Larry 'I
Cc: irons, David;Tanaka, Paul;Arima, Debbie;Wilson, John-Arthur,
Crawford, Curt; White, Fred 'i
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.
I will be checking the stream as soon as it is daylight and wifl let you know
what 1 see.
As I mentioned to Mr. Irons in my response to him, this isn't the only
incident that KC seemed to look the other way. Last summer, when the stream
bed (Greenes Stream)was dry, a neighbor down my road, dumped 4-5 dump trucks
toaded 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 still .
think there is just dirt back there. Anyway, I called DDES and filed a
complaint. I was told that because the stream was dry that DDES didn't care �
about all the dirt. I called Governor Locke's Puget Sound person and he told
me to call someone in Seattle. Then I sent a note to someone in the Dept. of
Natural Resources. I got a reply back, I'm not say from whom,saying that
because KC Dept. of Naturat 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. 1 guess we just don't rate.
And then fhis. Like I said, as soon as it is daylight, I wil!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 called in your concerns regarding the clearing
> activity at t0730 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 Enforcemenl Manager on January 19fh requesting a
> status_ Elizabeth responded identifying ihat the case was sent to Site
> Development Services (Fed White 296-6783) for assignment and investigation.
>
- _ - �- _: �.-
. , .. �
_. ,., �,
. . .. -'9...;5.. . ..!
��il�Gf ��� ;✓-su'�+"" �, —na�_*sti�.y�_���{Y.i��;3�� ��y, u '!•� Z' . .. . . . I . . .- - , . .
From: Gettle, Larry �
Sent: Wednesday,January 19,2000 7:47 AM
To: Deraitus, Elizabeth
Cc: Evans, Glenn
Subject: Clearing/Erosion Complaint Claudia Donnelly E0000060
Good Morning Beth:
We received a call yesterday from Claudia Donneliy. She reports that the property owner at
10730 148'h Ave_ SE is clearing his property up to the drainage ditch (not sure if it is the roadside
ditch or?) She is concemed about lack or condition of TESC facilities.
1 checked Permits Plus and identified an Enforcement action, EOOa0060 at the same address. tt
appears action was recently closed(1/13/00).
Is this the same problem? Was it closed because no problem identified?
Do I have to contact Claudia?
Thanks �
- KING COUNTY WATER AND LAND RE.SOURCES DIVISION � �_.: "
-a:r._-
_ DRAINAGE II�IVESTIGATION REPORT -��
� INVESTIGATION REQUEST �" ` .j;.�� `-�-�'
f �,_ n �
[tOBLEM: (J�X� (/� I��/Y� f- �
.. ... �.. - .. . . . " � '� �� '' y-.s �Y _
RECEIVED BY: G—�F1Lr Date: � 3d�p� OK'd bY: FILE NO: 2001 -��3,�,�-�:
.. __ - - ����1V T--r- - , , ,.��,�.���.-���,�-
� Received from: /V�� , �� '
_ , o� �...;,�;
�
: � 'r': ;` 4 � -�-
�- r 3 r � �
' �Day) �yP�2_ � ` L(Eve�, �>�`� � ��'
�_=�k'���(�.—T . - `� � .
.NAME /,C� PHONE��SS -�3'70 ���u "���� :� §
� . y �� . �;- ^�'� :='.�,�-:
�oREss: .�QY/L/y7'`"' ,g-U� � �� City���it�To�v� state���5 Zip�(-�/,�.��'LT,,(�
. .. . . - . . _ . - f :��� �. �- �, .-
LOCAT70N OF PROBL£M, [F DIFFERENI': - �:,�- `
^.�
Access Permission Granted � Call F[rsl (Would Like To Be Present) � �s �
. , § , .
. . _ , . -- ;
(�- Q�� /�: Oz,�� � `
Plat name: Lot No: Block No:
Other agencies involved: No field investigation required
�:.�-�_-s o �.
f - .���:F �
� � � �
1/a S T R Parcel No. I7?(p�OC'X'��[7 Kroll�� Th.Bros_ New �o`Z.(o.�
Qasin r�� Council District �D Charge No_
RESPONSE: Citizen notified on by: phone letter in person
�rYtA.� �� � � ���^S �� l'it1 Z�2-� �0 1
DiSPOSITloN: 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 wiil not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Service Area_ Other(Specify):
DATE CLOSF,D: �J la� /O r By: �S-���t�-s'.CQ x�
___ . _ ,v-�-_==�--s,��:-�.a:x —
Dear Mrs.Donnelly:
King County Executive Ron Sims has asked me to respond on his behalf to yoeu email transmittal of
January 30, 2001. Thank you for expressing your continued concerns regarding the water quality of
Greenes Siream 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 oor �
investigation and whai we plan to do next.
Staff from the King County Deparnnents of Transportation and Naturat Resources completed a site visit on
January 30,2001 to assess poteniial sources of contaminan[s that are entering Greenes stream and May I
Creek based on the water samples you collected.
Water Quality staff in the Department of Nahual Resources(DNR)reviewed the analysis performed by
AmTech on your water samples of January 4 and 5,2001_ Based on the information provided to you by
AmTech,we recognize that oil is entering Greenes stream which is a concem. 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 wi[hin the watershed_ The rainfall event on January 4,2001
was the first heavy rain in over 2 weeks. This"first flush"event would have elevated pollutant loading into
all 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 control[he release of contaminants from residential properties is the
King County Water Quality Code. If pollutant discharges are observed on residential properties,the water
quality code does atlow for recommendations and technical assistance to property owners to reduce and
eliminate pollution generating activities,such as vehicle repau and increased erosion conirol. Our fust
response to these problems is technical assistance and education. However,violations 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 poilutants 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 ai one specific site,through additionaI investigation and sampling,we may be able to identify
sources that would allow us to pursue our regulatory authority of the water quality code. Our sampiing and
monitoring wiil include all areas where stormwater enters Greenes stream[hrough pipes or ditches. These
additional investigations and sampiing procedures requue the approval from private property owners for
access to their properties. By gaining access to private properties we can assess activities that may be
contributing to water quality degradarion within the May Creek watershed.
We will continue to work within our regulatory guidelines and authority to assist property owners in
implementing source controts to reduce pollution generating activities that af�'ect Greenes Stream and May
Creek.
DNR staff wili keep you appnsed of the work being completed in the Greens stream basin and the results of
this work.
If you have any further questions please feel free to co�tact Susan Clarke,Engineer in the Water and Land
Resources Division of the Departrnent of Natural Resources,at(206)296-831 I.
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SEE F1LE#
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Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Service rea. Other(Specify):
DATE CLOSED: O(P //oZ /OI Qy�.
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From: Hansen, Nancy Z�O ( - 2� 1 g
f SenY_ Thursday,April 12, 2001 520 PM �
To: Lackey, Brent; Evans,Gienn; Clarke,Sue; Sleight, Brian ,
Subject: FW: Greenes Stream and May Creek !
FYI
—Origirtal Message—
From: Hansen,Nancy
SenL• Thursday,Aprii 12,2001 5:20 PM
To: 'Caludia Donr�eily'
Cc: Sims,Ran;Ceis,Tim;Bissonnette,Pam;Irons,David;Tanaka,Paul;Shannon,Kathleen;Mceller,Lani
Subject. Greenes Stream and May Creek
Thnnk you for your email transmittals of the pasf week to vnrious King County Staffinembers
concerning 6reenes Stream and May Creek. I also apprecinted having the chance to tnik with you on
the telephone. King County Executive Ron Sims hes asked me to respond to you on his behalf ns well.
I hope this single email will cover all of your concerns! I understand your frustration regnrdiru�
the tnany issues you have roised and the various departments that are involved_
I hope your conversation with Sue Clarke of my staff has clarified some of the issues ihat are
within the resportsibilites of the Water nnd Land Resources Division (WLR�)and the Department of
NaturQl Resources(DNR).
In regards to your question about how King Co�ty will protect your property from flooding nnd
erosion/sedimentation probtems; King County regulations, specifically the King County Surface
Water Design Manunl nddresses the potentiai downstrenm impacts from new developments and
construction. The requirements in the Manual use the best avQi{able science and technology to avoid
or minimize adverse impacts to downstrenm properties_ As pointed out in your emnit transtnittal of
Apri! 6th, the current Design Manual requires wetpond designs to meet the goal of 80 percent Totnl
Suspended Soiids (T55)removnl through the construction of wnter quality facilities. Sometimes,
even higher removals are realized. Additionally, the May Creek Action Plan recommends Level 2
stream protection stQndards to over detnin flows to reduce flow nnd sediments to Mny Creek. The
upstrenm development (Stoneridge)curren?ly under review by the Depnrtment of Development nnd
Environmental Services(D�ES)is using Leve! 3 protection in the detention and water qunlity facility
design_ This protection standard is a more restrictive standord than currently required by the
Design Manual or recommended in the May Creek Bnsin Plan.
Other regulations include the King County water quolity code, which uses tethnical assistance as its
first approcich to water quality problems on existing developed properties_ The sediment/oil you
have seen in 6reenes Stream comes from many non point sources such as individual residential
driveways and gravel roads, which King County can't legally enforce because the Water Quality code
exempts these types of normal residential activities in regords to these potlutants. However, if a
determination is made that pollutant discharges are due to intentiorwl dumping or illicit connections,
violations can be issued. You might want to work with the May Volley Environmental Council (MVEC)
as well ns the Basin Stewnrd to provide outreach to neighbors in encouraging individunl property
owners to voluntarily reduce runoff from their sites. KCWLRp has printed information that can be
made avoilable to MVEC to use in an outreQch campoign. Additionally some staff time could be made
ovaflable to provide infarmationa! workshops or mailings to residents within the basin_
i
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;,�-- . :�,� �;�.;;:�-�.� �..�� � � `= a ' -
� o coticerns fhat 6reenes 5?ream does nof s'eem to e getting t e"same level of
attention ns other urbnn strenms in King County. Other streams thnt you hnve referred to
currently have adopted Bnsin Plau. Through the ptnnning process, projects are identified nnd
� prioritized for potential construction wken funds become avaitabie. Once the May Creek Ptan is
ndopted, this process cen be applied to May Creek_
As the May Creek Plan recognizes,the creek does have viable habitat in its lower reoches and King
County nnd other jurisdictions agree that this hQbitut needs to be protected. However,ngreements
with these other jurisdictions such as the cities of Newcastle�nd Renton along w+ih private
property owners must occur before projects, like those in the �esMoines Creek watershed can be.
' pursued_ This cooperative effort in the DesMoines Creek wntershed is an excelleni example of what
can be accomplished when private and public in#erests work together. Through the May Creek Bosin �
plan we hope thnt the same type of cooperative agreements cnn be reoched_
Your comment regarding King County stnff calling citizens names is of a great concern to me. King
County WLRD staff are expected to treat all citizens with respect nnd concern even "otf the clock" �
I am not aware of nny staff mnking derogntory remarks or rwme calling ot citizens. If you hnve �
knowledge of such incidents, I encourage you to spenk with me so that I can uddress any specific
problems. Plense do no# hesitate to contnct me at (206)296-6585. '�,
I believe your comments regarding the DDES permit file for the mobile home at 10726 - 148th SE '
was oddressed during your conversation with Sue Clarke on Thursday April 5th_ To reiternte what
she sh�red with you,she recognizes that there is n hydrnulic connection between 6reenes Stream ,
ond M�Creek, however,no distinct channelized connection of surface water is evident. 6reenes '
Strenm enters wetland#5, which is noted in the May Creek Current and Future Conditions Report
ns among the largest known freshwater wetlond in King County. Water from Greenes stream flows in
a braided fashion through this wetland,which allows for natura� wnter quality trentment prior to
discharge to M�r Creek. �uring Sue's site visit of April 5th this wetlond nrea was found to have a
targe amount of animal droppings(horse manure} Sue will research the ownership of this property,
work with the owner on removal of the pollutnnts and refer the problem to the Livestock Program
Analyst Leurie Clinton.
The May Creek Conditions report ncknowledges that 6reenes Stream is n flashier creek and
responds to precipitation much more quickly than other drninnges within the Bnsin which is why you
nre probabty seeing flow increases occurring on your property quite quickly nfter a rninstorm.
Nowever,the irr►pacts to Moy Creek are not as significant regarding penk flow os other basin wide
streams due to the attenuotion within Wetland #5. Overal) the May Creek Basin Plan contoins
recommendations to correct or reduce flooding and water quality problems in the basin and to help
prevent problems from worsening in the future_
Thank you again for writing nnd expressing your concerns. We look forward to working with you in
the protection of water quality and hnbi#at values in May Valley. If I can be of further nssistance
at this point, please do not hesitate to contact me agnin.
Sincerely,
Nancy Hansen
Manager
Water and Land Resources Division
King County Oepartment of Naturnl Resources
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��a S T R Pazcel No. /� �o7U��� Kroll���� Th.Bros: New
Basin�� Council District�� Chazge No.
RESPONSE: Citizen notified on by: phone letter in person
DISPOSIT�ON: 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 t�
Private problem - NDAP will not consider because:
Water originates onsite and/or on neighboring parcel.
Location is outside WLRD Se ice Area. Other(Specify):
DA7'E CLOSED: b� / �Z/ �( By: _���J L-C �C/� SLF"'v T
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� King County Cxecu':�e
ROiV SI�VIS �������C
.1une 7, 2001 JUN 1 1 20Q�
r�lrvu.,vviv� E
Claudia Donnell �vATER 8,(.AtVp RFSOURCES Div
y NANI'�ve����,� ,.an,4r,Go
1041 S — 147`h Avenue SE
Renton, WA 98459
Dear Ms. Donnelly:
I am writing in response to your letter of May 4, 200I to United States Senator Patty
Munay. Senator Murray forwarded your letter to me requesting that I look into your
concems 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 Co�nty is not ignoring the Endangered Species Act
(ESA), and shares your goa) of protecting salmon in May Greek. King County is
considered a leader in the development and implementation of new prograuns 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 yon asked why you, as a downstream property owner, must accept increased
runoff and sedimentation from upstream development_ King County's drainage code is
designed to minimize impacts from ne�v developments and comply with Washington State
case law. Washington State case law states, in general, that a property owner is not liable
for incrementa) increases in storm water quantity or veEocity in a downstream natural
conveyance system provided that the increases are not done in a negligent manner and
water is not diveried 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 occurring prior to development. Core Reqtiireinent #8
requires water qualily facilities to reduce the impact of development on the quality,
inciuding sedimentation, of our local waters_ While following the Manuai's requirements
will reduce the effects of ne�v developments, it cannat elirninate all the effects of new
development.
KIN(: (:(111;�1"Il� (:�)F '12"1�}IOl�Si- >I(, "I�Illitl) -\\�I•:��1ltl�_ f20O1��1 �I00 SE;A"1't�l,li, �V,� 9fi104-3271
(2(N�) 29(�-4(14Q 2�I1i-111')1 (�.\\ 2�1(�-11201) I�1)1) L-�n:ul: r�>n.suns�n�cir��kc.�;�n•
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Your letter also expressed concem aboui the 80 percent Total Suspended Solids ("1�SS)
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. Lar��r
rld facilities would remove more suspended solids, but larger facilities are also more
expensive to buiid. The cost to build larger facilities is passed along to the consumer in the
form of higher housing prices. From a technotogical standpoint, there is aIso a point ti��h�re
building a larger facility will not remove any more TSS because the partieles become so
small they will not settle out without chemical trea[ment. The goal of 80 percent TSS
' removaI was chosen as an appropriate standard because it isbetieved to provide the best
cost/benefit ratio for removal of TSS and is the standar�i th:�t is reqt�ire�� t,v the Wa�hi��� � �:
State Department of Ecology for stormwater quality
VYith regard to the questions you feel Ms. Hansen h:
answers that she has
1) What is King C� _ � 1
;
There is no secret associated with the I�1ay Creek Basin Plan. The Basin Ylan eontai�ls
comprehensive zoning and regulation reconunendati�ns 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 Ctass 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 Ehe May Creek
system while addressing specific flooding problems through capitat projects and
technical assistance. The"real" plan for May Creek Basin is the Basin Plan, which
was very recently approved and adopted by the King County Council, the City of
Renton, and the City of Newcastle.
2) What May Creek tributaries does King County consider imporiant?
King County does not typically undertake a thorough ranking of the relative
importance of all tributaries within a basin planning effort_ However, areas of
particularty high-quality habitat which make signifcant contributions to the resource
base of the basin, are identified as "Significant Resouree 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 ihe adopted basin plan. This is not to say, however, thai
Greenes sfream is an unimportant resource just because it does not provide the same
habitat values as the significant resouree areas_
? _ . --._._ .__
� Page 5 _. _., _ _ _ . _ ,.
I also understand that you have been in contact with the King County Ombudsman with
your concems. I think this is a very appropriate siep 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 ensare that the Division is being appropriately responsive to
your concems. If you have fiarther questions or concerns, please continue to contact Nancy
Hansen, Water and Land Resources Division Manager in the Department of Natnral
Resources, at (206)296-6585. As is King County procedure, she will assign follow-up to
the staff with the appropriate progammatic and technical expertise.
Thank you again for faking the time to write.
ely,
Ron Sims
King County Executive
RS:Im
Enclosures
cc: The Honorable Patty Murray, United States Senator
The Honorabte David Uons, King County Councilmember
Duncan Fowter, King County Ombudsman
Paul Toliver, Director, Department of Transporiation (DOT)
Larry 3ararnillo, Senior Engineer, Road Services Division, DOT
Pam Bissonnette, Director, Department of Natural Resources (DNR)
Nancy Hansen, Manager, Water and Land Resources Division, DNR
KING COUNTY WATER AND LAND RE.SOURCES DIVISION
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LOCATiON UF PROBLEM, IF DIFFER�NT: -
Access Permission Granted � Call First (Wouid Like To Be Presenc) Q ,
LiiA�T�2 Fi�O� T�E,� ti��G��o•e'J �'ieo��/CT Y +� Fc o�/#�
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Plat name_CA`'�" V�,Qi►� Lot No: Block No:
Other agencies involved: No field investigation required
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��a S T R Parcet No.I77�0 D�Da(L Kroll �� Th.Bros: New oZ�p
RDP Basin� Council District �� Charge No.
RESPONSE_ Citizen notified on by: phone letter in person
So.�r�T�•tic,s
1'v ��0/
DISPOSITlON: Turned ta��� / / 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 FII,E#
Private probtem -NDAP wili not consider because:
Water originates onsite and/or on neighboring parcel.
Other (SE�ccify):
DATE CLOSEU: � / `Y- l �2- F3y: � ��LZ/�Cl Cp�?��C��
/
. _ :. .. .. _ . . _ . _ . ,
_ �... _....
Juhnke, Leonard ..., . : �_-. _ �=
=rom: Sleight, Brian
` 3ent_ Thursday, January 10,2002 3:01 PM
To: Kipp, Greg;Sims, Ron
Cc: Whalen,Caroline; Brandon, Rod; Bissonnette, Pam;Grigsby, Daryl;Dougherty,Linda; Tiffany,
Christina;Crawford,Curt; Granlund, Jeff
Subject: RE: RCW 42.17 and FOIA violations
.ron/greg. . .i have to agree with greg. . .i think we (swm, ddes, and recently dot) have been
very responsive to claudia, it's just that she doesn't like our answers. �
as you know, it is important to be specific with claudia so you know just exactly what 'I
problem you are talking about. in the present case, i have talked to her about two �
different ^enforcements" recently: I
1) the stream that flows throogh her property now flows onto her property at a different i
location than it ❑sed to. she says she saw the neighbor digging the new channel but has
no evidence (photos) . i talked to the neighbor (mr. wolf) and he said the channel changed
location in the 1996/97 ice storm when some trees fell over. this looked very possible
{there were a lot of fallen trees still on his property) and there was nothing indicating �
he had done work in the channel (not surprising considering it happened in 1996) . i told i
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. i
2) the neighbor at the north end of claudia's street plugged a cross culvert because she 'I
rhought 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,
�dentified that a violation had occurred, and opened an enforcement under k.c.c_ 9.04 {so
des was never notified) . claudia asked for a copy of the enforcement letter before the
etter had been sent. i told her i would send her a copy of the letter when it went out
and return the 30 cents she included in her request. the letter went out yeste.rday and i
sent her a copy today. fyi. . .in my conversation with the woman who blocked the culvert, i
got the impression that she has no intention of unblocking the culvert so the enforcement
may be difficult and take a while.
i've been in contact with the lady (ms. morse) whose garage had water in it as a result of
the blocked culvert. she and i had originally talked about a possible ndap project to
clean the pipe that overflowed (we thought it might be obstructed} , further investigation
�howed 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 197th as soon as
t_hey can get an environmental approval. i am coordinating with them to have an ndap quick
fix project constrvcted at the same time the dot crew is out there. the project will keep
water from washing over the privately maintainecf portion of 197th just in front of
<�laudia's property. i explained to claudia that the work involved paving and, if the
o-�eather 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
};aving to wait for environmental approval.
rf�qarding our responsiveness, i sent claudia an email (which she acknowledged and thanked
Lor) the same day i received her foia letter (1/2/02) informing her that the letter did
t exist yet (i had just sent a draft to word processing) but that i would send her a
,-<�E�y when if finally went out.
rF�qardinq our response to the blocked culvert, i met with her to initially look at the
1
-<:�_. . _ _ ,�-- - -.-,:_
woman who blocked the culvert an s�a -' >_,_ :
` ot water in her garage as a result of the culvert, went through an ndap� evaTuation •- -
' �rocess (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 pu.t words in
her mouth, but all claudia sees is that the culvert is still plugged, the stream is still
relocated, the roadside ditch hasn't yet been cleaned, water still runs over her road, and
we are not going to do anything for her neighbor. _ .but i don't think that means we have
not been responsive.
hope this helps. sorry for being so wordy_ . _it's hard to stop when talking about this
neighborhood.
Brian Sleight, P.E.
BSL8
206-296.8025
--Original Message—
From: Kipp,Greg
Sent: Thursday,January 10,2002 11:41 AM
To: Sims,Ron
Cc. Whalen,Caroline;Brandon,Rod;Bissonnette,Pam;Grigsby,Daryl;Sleight,Brian;Dougherty,Linda;Trfhany,Christina
Subjed: RE:RCW 42.17 and FOIA vidations
Ron -- i think SWM is the appropriate DepartmendDivision to respond to the most recent(i/9l02)e-maii from Ms Donnelly.
This e-mail speaks to a pfugged culvert that was investigated by SWM. While she mentions that SWM advised her that
there was a code violation, no such report has come into DDES from SWM. To the contrary,our most recent
conversations w/Brian Sleight of SW M indicated that he saw no code violations out there.
Ms Donnelly made a FOIA requesf of DDES on 12/18/Q1 for spec�c information about which developments in the area
required a level 3 detention pond. We provided her w/thaf information{see red highfighted response from Ms Donnetly, j
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 I
to which department she made the request. I
1 am cc'ing fofks in SWM to see if they are aware of any recent request for informafion from Ms Donnelly. if so,please let �
Ron know and respond to Ms Donnetly on his behalf. If not,also advise Ron and 1 guess we should ask her to specify
which department she made the request of. �
DDES and DNR have been extremely resporzsive 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 stil{need to respond to any and all FOIA requests.
gk �
-----Origina! Message----- ,I
From_ Sims, Ron i
Sent:Wednesday,January 09,2002 1026 AM �
To: Kipp, Greg
Cc: Whalen, Carotine; Brandon, Rod
Subject: FW: RCW 42.17 and FOIA violations i
Greg-please foltow-up, thanks. -ron
-----Original Message-----
From: Mike and Claudia Donnelly(mailto:thedonnellys@oo.netJ �
Sent: Wednesday,January 09, 2002 10_32 AM I
To: ron.sims@metrokc.gov �
Cc: david.irons@metrokc.gov
Subject: RCW 42.17 and FOIA violations ;
Dear County Executive Sims: '
2 ;
9
_ -- = - - _ ._ -. -�.:
(have told you over and over again that F"CC-" besn Yesp�n o 0
_....4._ � ..
__w_._,_ ._��.. . _. .
. ._.
US who(ive in t is 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 flowtng through her
property. tn November, this plugged culvert sent water down a small,
shallow ditch alongside 147th Avenue SE. That excess water caused
sheet flooding over the road. tt also caused water to go through
another neighbor's garage.
This problem was called in Roads and SWM. !t was investigated and
supposedly something will be done--once Roads gets the permits its has
applied tor.
SWM investigated and found out that this neighbor(plugging the cutvert)
is violating County Code. They were going to send a letter to this
person advising them of this violation.
Well, I talked to the neighbor who got the water in her garage and asked
if she had gotten a copy of the letter that was supposed to be sent.
She said thaf she might get a copy—she wasn't sure.
On December 28, I typed several letters to KC Departments (not DDES (emphasis added by kipp)--even though I don't
like DDES and they don't answer my questions)
requesting documents under the Public Disclosure Law(RCW 42.17)and
FOIA. I mailed these letters on December 29. I also sent a letter to
a Washington State agency-- they responded promptly.
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 leiter has been sent and if not, when
will it be sent? So far, no response.
The other KC agency hasn't responded at all_ The letters should have
gotten to the people on December 31. If I have to go to an
attorney to get a response from this KC agency, I wilt send my attorney
bill to you.
You might want to send out a note to al!County employees that the
public has a right under FOIA and RCW 42.17 to see and have copies of
County documents.
Again,maybe you can answer the question as to why KC doesn't want to
make my neighbors comply with County and State laws? There is Mr.
Wolf, who change the course of Greenes Stream and he didn't get fined;
there are the 2 Code violations on the Luck property that have been in
limbo for many years now; there is the Nagel culvert probfem? But
then another neighbor put a little dirt in her back yard next to Greenes
Stream and she had to pay a fine? Why are people treated
differently?
Thank you for your time.
iia Donnelly
-----Original Message-----
From: Mike and Claudia Donnelly[mailto:thedonnellys@oo net]
Sent: Wednesday, January 09, 2002 1:59 PM
To paula adams@metrokc gov; robert.ware@metrokc.gov
�
_ . .- _' - - - �.. __._ : ��_�.
Dear Ms.Adams:
I just received your letter wlth 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 kepf. For this part of my research, 1 just needed
the developmeni name and file number_ For the nexi part, I need to
go somewhere else. But thank you, any way, in having Mr. Ware keep
them for me_
Mr_ Ware is a wonderful, fnendly person—I like him very much. He
is a good asset to DDES_ You are, also,a pleasure to work with.
THANK YOU AGAIN_
Claudia Donnelly
�
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NAME: DONNELLY COMPLAZNT NIIMBBR: 2001-0765
ADDRBSS: 10415 147� AVBNIIS SOIITHBAST
PROJBCT DBSCRZPTION: ADD AN ASPFiALT APRON TO A DRIVBPTAY AND DIG A SHORT
ROADSIDB DITCH TO CONVSY WATSR THS SRISTING ROADSIDS DITCH.
OFFSRSD TO ROADS ON_12/20/O1 VIA_JSFF GRANLIIND .
ACCBPTANCB FROM ROADS ON: ! ZO O FIBLD MSSTING DATB: 12/20/O1
MBBTING ATT&NDBES: BRIAN SLSIGHT, LSNNY JIIHIJKB, JSFF GRA2JI,IIND
SNVIRONMENTAL APPROVAL BY /Y /-' ON
SSTIMATBD COST: �5�� BSTIMATBD COMPL$TION DATS:
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THt�ORARY CONSTRIICTION EASSMHNTS GOOD IINTIL: ✓v� l�U !�-"Q"�J
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SEND THIS FORM :T� BRIAN =SLEIGHT, : WL,R,;�
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RESPONSE: Citizen notified on by: phone letter in person
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DiSPOStTiON: �rurned to on / / by OR: No further action recommended because:
Lead agency has been notified:
_ Problem has been corrected. No problem has been identified. Prior investigation addresses p�oblem:
SEE FILE#
Private problem -NDAP will not con'sider because:
Water originates onsite and/or on neighboring parcel.
Other(Specify}:
DATE CLOSED: l l�/ OZ By. � �6j�gL�jy� �p,e,,��C T�
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King County ��
Water and Land Resources Division �
DePar�ment of Nalural Resourres
201 South Jackson Slrcel,Suitc 6(Hl
' Scatlle,WA 98104-3fS55
(206)296-6519
January 4,�21(���Ax
Maxine Nagel
10217- 147`�Avenue Southeast
Renton, WA 98055
RE: Drainage Comnlaint #2001-0842-Draina,ge Culvert Obstruction
Dear Ms. Nagel:
On December l2, 20o1, King County Stormwater Services (SWS) Section staffobserved 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 flowin�
the roadway creates a hazard.
This letter is not a formal enforcement action as authorized under King County Code 9_04. Its purpose I
is to bring these drainage problems to your attention before they cause personal injury or damage to
public or private property_ As the person who stated she blocked the culvert,you could be liable for
any personal injury or property damage that results from the blocked culvert. There has already been
an overflow of the downstream system that flowed into and damaged a garage. Also, if you decide to
sell your property, this potentia) enforcement related to your property must be disclosed to any
potential buyer_
Thank you for your attention to this matter. Please call Leonard Juhnke, Stormwater Services Section
Engineer, at (206) 263-6457 within 30 days of receipt of this letter to discuss resolution of this matter.
Sincerely,
��� � �
�o� �o�s�
� �
Curt W_ Crawford, .E_, Supe ising ngineer �c,fZr Z2,b�- ?6,�
Stormwater Services Section �,� ._(os7 —�50�
t,vK /�ou��,f �C
CC_BS:J43 F"coo0�'''�I"o `�"``�C
Enclosures
cc: Brian Sleight, P.E., Senior Engineer, SWS Section
Leonard Juhnke, SWS.Section Engineer
Jeff Granlund, Supervisor Roads Maintenance Division 2
�
gc�
� King County '`_ .., .� '�'�
� Water and Land Resources Divislon ;�j�
DcParlmrnt ofNatural Resources �
201 South Jacicson Strec�,Suitc 600
St�a t Uc,WA 98104-3855
(206)296-6519
(206)296-0192 FAX
February 20, 2002
Maxine Nagel
10217 - 147`" Avenue Southeast
Renton, WA 98055
RE: Drainage Complaint �/2001-0842 - Drainage Culvert Obstruction
Dear Ms_ Nagel:
Thank yov 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 af 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:ine�i
cc: Jeff Granlnnd, Maintenance Division 2 Supervisor, Road Services Division, I�i
Department of Transportation ,
Brian Sleight, P.E., Senior Engineer, Stormwater Services Section, Water and
Land Resources Division, Department of Natural Resources and Parks '
Len Juhnke, Engineer, Stormwater Services Section -
�
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Other encies involved: No field investi ation r uued
- ���.��x�������i�=���'�►�--�t���` -_ = =
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%a S T R Parcel No. /��(Z�Q� �Il� Th.Bros: New
RDP Basin ��' Coun�il District_�.�_ Charge No.
RESPONSE: Citizen notified on by: phone letter in person
LC i r�,L� s�i� l�l��oZ� 3��s ��vGcci�� wc.—�f �ET;�.C.
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 / I��O Z By: �
� += �- _ �x - i: ,x _- � ^{, ad s.•; :� ��
i - - �'� �f � - :a �' -�'• ��� __ ,.r �rF� ����t z„ �? t
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� Sleight, Brian
�
� 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. Z'l1 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. E�en with the intent of the piggyback project, if the weather is not
appropriate for paving when they clean the ditch, they won't do the quick fix. The quick
fix will still get done, it will just get done at a different time when weather permits.
If our current run of dry weather holds, it shouldn't be a problem but if we start getting
steady rains day after day, the weather and crew availability could push the project off
to this spring_
Brian Sleight, P_E.
BSLB
206.296.8025
1
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� 10415 - 147th Avenue SE �
� Renton, WA 98059 I
December 28, 2001
�
� Brian Sleight
KC WLRD
201 S. Jackson
Seattle, WA 98104
Dear Mr. Sleight:
I just talked to my neighbor to see if she had gotten a copy of the fetter 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 ietter maybe on its way.
Under RCW 42.17 and FOIA, I would aiso like a copy of the letter sent to Maxine
� � about her b(ocked cufvert. 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,
��'uU�a. b�',�
�
Claudia Donnelly
� f
, : .
�t KI�G COUI�TY WATER AND LAND RESOURCES DI�tISION '��--�` '��
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1/a S `� R Parcel No.�7�.��d� Ki'oll�� Th.Bros: New��
�p_� gas�� Council District�_ Charge No.
RESPONSE: Citizen notified on by: phone letter in person
DISPOSTI'10N: Turned to on / / by OR: No futther action recommended because:
Lead agency has been notified:
Problem has been corrected. No problem has been identified. Prior investigation addresses problern.
— ��'�' Fr� �- +�
Private problem-NDAP will not consider because:
Water originates onsite and/or on neighboring parce 1
. (�ther(Spec�ty):
DATE CLOSED: 2 /� I O2- By: � ���<<- �S�yT B�' `�/�i�YC
g�r� K�. ,� ;
` f »'' � ?` �: ! 'C '�"y �.. �Z,3C" F_�s�.,,1 � . __i 3��e, .
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Sleight, Brian ,
_
From: Grigsby,Daryi
� Sent: Thursday, February 14,2002 11:21 AM
To: 'thedonnellys@OO.net'
Cc: Sims, Ron; Irons,David; Bissonnette, Pam; Shannon, Kathleen !
Subject: RCW 42.17 and FOIA violations
Dear Ms. Donneily: '
Thank you for your email transmittal of January 9,2002,to Executive Ron Sims,expressing concern about King County's compliance
with the Freedom of Information Act(FOIA)and its response to the Public Disclosure Law(RCW 42.17)request you made to several
King County departrr�ents. Executive Sims has asked me to respond to your concerns.
Your email also expresses concerns about King County enforcement of drainage probiems in your area. 1 understand your public II
disclosure requests were made to the Departrnent of Transportation(DOT)and the Departrnent of Natural Resources,which is now
called the Department of Natural Resources and Parks(DNRP)_
DNRP staff sent you an emaii on January 2,2002,the day your request arrived. The letter you requested was only in draft form at ihe i
time of your request and,as such,was not yet disclosable by law_ Rather th�n 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 1 Q 2002. �
DOT staff sent you a letter on January 9,2002,five working days after your request arrived. Your request involved a large file and it
was not clear whai specific documents you were requesting. DOT staff thought the best response would be to make the f le available
for your review so you could decide which documents you wanted to copy. i
From my understanding of RCW 42_17,the response from both the DNRP and the DOT exceeded the requirements of RCW 42.17. �
n regards to your enforcement concems,King County's enforcement authority applies to atl of unincorporated King County_ In the
�ractical 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 action against a code violator. As
unfortunate as it may seem,there are times when it appears a code violation has occurred but King County cannot take action because
we cannot prove that a code violation occurred or do not Irnow who performed the act.
In the case of Mr. Wolf,both the Departrnent 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 property,there is nothing to suggest it did not occur. With no physical evidence to support an enforcement case, the word of
one neighbor against another is unfortunateiy 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 instalIation 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. •
!n the Nagel case, Water and Land Resources Division(WLRD)staff has an open enforcement case for this violation and the fusi step
in the enforcement process has been taken. WLRD allows the property owner 30 days to voluntarily resolve Lhe problem before a
formal enforcement process wiih possible civil penalties is initiated. If Ms_Nagel dces not resolve the violation within 30 days,she
wi}I be sent a Citation in accordance with King County Code 2320.
My 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 inappropriaiely levied,they should contact the department that they were working with.
The resolution of any code violation is greatly affected by the eonduct of the violator. While the enforcemeiit and possible
enforcement cases you have mentioned each have a different resolution and may not be the resolution you want,there does not seem
be any inequity in the appiication 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 appropr�ate length of time(i.e.a couple days after the response deadline to allow delivery by the post office}you would have seen
that County staff did comply with the requirements of RCW 42.17. Similarly,in the case of the enforcements you mentioned,County
1
--
staff is taking action as au onze y �rig oun c e on e " ` ` ' " "
� issue they have looked at and determined Wat acdon cannot be taken(Wol�. I admire the amount of effort and eoergy you pui into
your eommunity but I ask you to accept the determinations made by County staff and limit future contacts to new issues.
Thank you again for the opportunity to address your concems. I hope we can move forwazd to new issues and opportnniries.
Sincerely,
Daryl Grigsby,Manager
Water and Land Resources Division
Department of Natural Resources and Parks
�
From: Bissonnette, Pam
Sent: Thursday, January 10, 2002 3:45 PM
To: Shannon, Kathleen
Cc: Norton,Ann; Grigsby, Daryl
��
Subject: FW: RCW 42.17 and FOlA violations
Kathleen, looks like 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: IGDP.�e9
Cc: Whalen,CaroGne; Bissonnette,Pam; GrigsbY,�aM; Sleight, &ian: Dou9hertY.Linda;Tiffam,Christina
Subject RE: RC1N 42.17 and FOIA violations
ks Greg, Pam let me know when you have a response. rod
----Original Message---
From: Kipp,Greg
Sent: Thursday,January 10,2002 11:41 AM
To: Sims,Ron
Cc: Whalen,Caroline;Brandon,Rod;Bissonnette, Pam;Grigsby, Daryh,Sleight,Brian; Dougherty,Linda;Tiffany,Christina
Subject: RE: RCW 42.17 and FOIA violations
Ron — 1 think SWM is the appropriate Department/Division to respond to the most recent(1/9/02)e-mail from Ms
Oonnelly. 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 ODES from SWM_ To the contrary, our
most recent conversations w/Brian Sfeight of SWM indicated that he saw no code violations out there.
Ms Donnelly made a FOIA request of DDES on 12/'i8/01 for specific information about which developments in the I
area required a level 3 detention pond. We provided her w/that information (see red highlighted response from Ms
. , Donnelly, below) In her i/9/02 e-mail, she stated her recent request for information was not made to DDES, however I
it is not clear to which department she made the request.
! am cc'ing folks in SWM to see if lhey are aware of any recent request for information from Ms Donnelly. If so, ptease
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 extremefy responsive to Ms Donnelly over the years.__she simply does not like the answers
we are providing her and I doubt she ever wilt. That being said,we stil!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.netj
Sent: Wednesday,January 09, 2002 10:32 AM
To: ron.sims@metrokc.gov
1
/ Oear County Executrve 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 cufvert draining water from 148th
Avenue SE through her property to Greenes Stream. She piugged 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 �I
supposedly something will be�one —once Roads gets the permits its has
apptied for.
SWM investigated and found out that this neighbor(plugging the culve�t)
is violating County Code. They were going to send a letter to this
person advising them of this violation.
Well, 1 talked to the neighbor who got the water in her garage and asked
if she had gotten a copy of the letter that was supposed to be sent.
She said that she might get a copy--she wasn't sure.
On December 28, I typed several letters to KC Departments (not ODES (emphasis added by kipp)—even though I
don't like DDES and they don't answer my questions}
requesting documents under the Public Disclosure Law(RCW 42.17)and
FOIA_ I mailed these letters on December 29. f also sent a letter to
a Washington State agency—they responded promptly. I
� I heard from one person--they said that theyd retum my 30 cents and
the letter to the person ptugging up the culvert had just gotten back
frorn the Word Processing Dept(this is last week). I still haven't
gotten a copy of that letter. Has it been sent????? I sent this
person a note today asking if the letter has been sent and if not, when
will it be sent? So far, no response.
The other KC agency hasn't responded at all. The letters should have
gotten to the people on December 31. If I have to go to an ,
atforney 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
pubtic 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 lo why KC doesn't want to
make my neighbors comply with County and State laws? There is Mr.
Wolf,who change the course of Greenes Stream and he didn't get fined;
there are the 2 Code violations on the Luck property that have been in
limbo for many years now; there is the Nagel cutve�t problem? But
then another neighbor put a littfe diri 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 Donnelty
z
:�
�� KING COUNTY WATEP.�A,��AND RF.SOURCES DIVISION ��
DRAINAGE INVESTIGATION REPORT
INVESI7GATION REQUEST TypC x
''�ROBLEM: i
RECEIVED BY: B$�-� Date: ��l�3 OK'd bv: FiLE No. Zv03 -O�V
Received from: ��L � I
(�Y) L—� (E�e) L—� �
NAME: C�V�� ��/U�'LLY PHONE I
ADDRESS:�'J� I`�7� �/�i �� City State Zip I
LOCATION OF PROBLEM,IF DIFFERb'NT:
Access Permission Granted ❑ Cal!Fust (9Vould Like To Be Present) ❑
,
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���� ��p2��r� T��po,�ti�cc.ys �oo. ,�rr
Plat name: Lot No: Block No:
Other agencies involved: No field investi ation re uired
=�t�B��M��ETED_B1'C011+I�I,AINT�K��tAMSTAFF=
__---=- -- --__ . _ __--- ---..__ ___.__ _ _
_. _ .
� � � ,l
l�a S T R Pazcel No. 177�D7d�v� Kroll��� Th.Bros: Ne S
RDP Basin�� Council District� City Chazge No.
RF.SPONSE: Citizen notified on by: phone letter in person
�iYt/-Ifc.._ .CcSS/�o�vSE SC�7 3�!`j/03r �
DISPOSITION: Turned to on / / by OR: No fi�rther 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 / 03 By �_
� _ _ : __
- Sieight, Brian
From: Michael/Claudia Donnely[thedonnetlys@oo.net]
Sent: Thursday, March 20, 2003 6:22 AM
To: Grigsby,Daryl I
Cc: Sims, Ron; Cawaling, Cindy; Bissonnette, Pam; Sleight, Brian; Shannon, Kathteen; Maier, Mary; I
Ninneman, Scott; Moeller, Lani '
Subject: Re: May Creek Basin Area
Mr_ Grigsby:
Whatever. I ha�e given up on dealing with KC and Renton. The straw has only been put down where
our neighbor originally insta}led 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. Donnelty:
Thank you for your email transmittal of March 4, 2003, regarding ihe potential of sediment reaching
May Creek. King County Executive Ron Sims has asked me to respond on his behaIf.
1 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 leR the site. The
owner was not home so Mr. Sleight left a note on their door requesting that they contact him.
Your neighbar called Mr. Sleight that day and was advised of his responsibitity to minimize sediment
transport from his properiy. Your neighbor said his iniention was to stabilize the area this past weekend
3/21/2003
and asked Mr. Sleight to visit the site on Monday, March 10 to determine if the site was properly
stabilized. A Monday site visit showed that straw had been placed on much of the site. Mr_ Sleight
asked your neighbor to extend the straw to the end of ihe existing railroad tie wall, �vhich ihe neighbor
said he would do.
It is important to note that installation of erosion control best management practices (BMPs) will not
completely eliminate sediment transport from your neighbor's property. Erosion control BMPs are
intended to minimize the impact of exposing bare soil by preventing soil from getting suspended in
water or removing suspended soil from water. Once sediment is suspended in water, short of using
chemicals, erosion controi BMPs will not remove very ftne 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 environmen[. If you have additional concerns regarding this
issue, feel free to contact Brian Sleight, SWS Section Senior Engineer, at (206) 296-8025.
Sincerely,
I ?.+� �, ; � �i i_�� -���. '',1.�;�., �
Water and Land Resourccs Uivfsi�i� I
Depariment of Natural Resources anci k'arks '�
3/21/2003
k
TASK 5
- MITIGATION OF EXISTING
AND POTENTIAL PROBLEMS
TASK 5 MITIGATION OF EXISTING AND POTENTIAL PROBLEMS
The area downstFeam of the proposed project known as Stoneridge possibly dces eachibit potential
problems based on the drainage complaints. Since the City of Renton has indicated ihat Level 3 Flow
Control and Basic Water Quality are the required means of detaining runoff and treating the runoff, which �
is more than the Flow Control Applications Map in the 1998 King County Surface Water Design Manual
requires, this project assumes those are adequate for this site. By utilizing Level 3 Flow Control this
project should not aggravate or create a problem as specified in the problem-specific mitiga[ion
requirements set forch in Section 1.22.1 of ihe 1998 King County Surface Water Design Manual. A
Level 2 or a Level 3 off-site analysis should not be required for this project site_ In addition, the project I
site is not flat no: is the :icwnstream drainage course flat and the site dces not contnbute more than
15 percent of the total peak flow drainage downstream from the site.
11189.003-doc[JPJ/dm)
_....
4.0 FLOW CONTROL AND WATER QUALITY
:- �
FACILITY ANALYSIS AND DESIGN
'
,f->, 4.0 F`IAW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN
A. Elcisting Site Hydrology
The pre-developed and post-developed basin areas match each other in size and the
upstream basin contributing r�noff to the project site wili be bypassed around the project
site or through the project site and not impact the detention system proposed for this
development. Please see the foliowing table for a list of assumptions and parameters
used in sizing the pre�eveloped cooditions hydrographs for this project.
EXISTING COI�iDITIONS 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 = 4.52+0.15 =0.67 Acre �I
Till forest = 9.S 1 Acres
Till grass = 3.1 Acres+0.15 Acre(1/2 gravel area)=325 Acres �
Total On-site = 0.67 +9.51 +3.25 = 13.43 Acres
r� '�
Additional Tract to Northwest:
Till forest = 2.34 Acres
Improvements to 148th Avenae S.E.:
Till grass = 0.17 Acres
Improvements to SR-900/148th Avenue S.E.:
Till grass = 025 Acres
� Total existing area = 16.19 Acres
of which there is: till fores[ = 11.85 Acres
till grass = 3.67 Acres
impervious = 0.67 Acres
16.19 Acres
B. Developed Site Hydrology
The existing site as well as the developed site occurs in Alderwood type soils that are a
till type soil. The proposal for this development is to conswct a Level 3 Flow Control
detention pond above a basic water quality wet pond in ihe north central portion of the
site. Upstream runoff from the south, east, and west will be routed around the detention
and water quality facilities (ocated on-site and bypass those facilities. Please see the
}1189.001_doc[JPJ/dmhepl
�
f.-� following table for the assumptions and parameters used in determining basin areas j
contributing runoff to the weddetention pond.
DEVELOPED CONDITIONS TABLE
I
On-Site:
Imqervious: 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 �
Additional Tract to Northwest: �
Impervious = 1.27 Acres �
Till grass = 1.07 Acres I,
i
Improvements to 148th Aveuue S.E.: I
� Impervious = 0_17 Acres
Improvements to SR-900/148th Avenue S.E.: '�
Impervious = 025 Acres
TOTAL DEVELOPED AREA:
Impervious = 7.94+ I 27+0.17+0.25 =9.63 Acres
Till grass = 6.56 Acres
TOTAL = l6_19 Acres
C. Performance Standards
As mentioned previously the flow con[ro1 performance siandard utilized for this
development is Level 3 Ftow Control due to downstream problems that are weil
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-yeaz storm based on the SCS-based Santa Barbara Urban Hydrograph
me[hodology of computing peak flo�v rates contributing to each catch basin since the
project site is over 10 acres in size.
I I 1189_OOl.doc�IPI/dm+tepJ
j..�� D. Flow Control System
Please see the following pages for the calculations utilized in sizing the flow control
system for this project as well as a copy of the controt structure and ptan view of the
weUdetention pond illustrating the actual sizing of the pond.
E. Water QuaGty System
Please see the calculations on the foilowing pages of this report for the methodology used '
to size the basic water quality wet pond and the illustrative sketch of the wet/detention
pond indica[ing proposed and provided volumes for both water quali[y and dctention.
�
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� KCRTS Command � ��.�( ���
CREATE a new Time Series �— ��'���
--------------------
Production of Runoff Time Series
Project Location : Landsburg
Computing Series : 11189pre_tsf
Regiona2 Scale Factor : 0_90
Data `I'ype : Reduced
Creating Hourly Time Series File
Loading Time Series File:C:\KC_SWDM\KC_DATA\LATF60R.rnf .
Till Forest 11.85 acres
Loadir.g Time Series File:C: \KC_SWDM\KC_DATA\LATG60R.rnf _
Till Grass 3_67 acres
Loadinq Time Series File:C: \KC_SWDM\KC_DATA\LAE160R.rnf .
Impervious 0.6? acres
Total Area : 16_19 acres
Peak Discharge: 2.61 CFS at 7:00 on Jan 9 in Year 8
Storing Time Series File: 11184pre.tsf _
Time Series Computed
KCRTS Command
� Enter the Analysis TOOLS Module
l
- Analysis Tools Command
-------------------
Compute PEAKS and Flow Frequencies
-----------------------------
- Loading Stage/Discharge curvec11189pre. tsf _
Flow Frequency Analysis ,
---------------------------------------------- I
Time Series File:11189pre.tsf �
Project Location:Landsburg
Frequencies & Peaks saved to File: 11189pre_pks .
' Analysis Tools Command '
RETURN to Previous Menu
KCRTS Command
CREATE a new Time Series
Production of Runoff Time Series
Project Location : Landsburg
Computing Series : 11189dev_tsf
Regional Scale Factor : 0.90
Data Type : Reduced
Creating Hourly Time Series Fi2e
Loading Time Series File:C: \KC_SWDt�;`,KC_DATA'�,L�`I'G60R.rni .
Till Grass 6_56 acres
Loading 'Pime Series File:C_ '�,KC_SWDM`,KC_DATP.\LAEI60R_ rnf .
�.., Impervious 9_63 acres
Total Area : 16_19 acres
Peak Discharge= 6.68 CFS at 7_00 on Jan 9 in Year 8
Storing Time Series File:11189dev_tsf _
Time Series Computed
KCRTS Command
Enter the Analysis TOOLS Module
-------------------------
Analysis Tools Command
--------------------
Compute PEAKS and Flow Frequencies
-------------------------
? � � ._�: r .. � ���,. ���, _ �, i ,� ,.:, � ���
Flow Frequency Analysis
Time Series File:ll189dev_tsf
Project Location:Landsburg
Ft c��J�.���nc ies u F'e��k��� sa� e�3 tr, E'i 1� _ 1 1 1`���_7�_�v.E�k=; -
Analysis Tools Commancl
� Compute Flow DURATION and ExceF-�3�_;�r����
' r-�_, Loading Time Serie�.� :�i � , : i 1 i H.a��i��. t _;`
Computing Flow Durations
Durations & Exceedence Probabilities ra F� ]r�: 77 � g9taraPt .c:,�r
I Analysis Tools Comman�3
RETUP.DI to Previo>>s Menu
P:('R`PS Comr:'�Und
Size a Retention/Detention �'ACILIT'7'
Loading Retention/Detention Facility Fi1E�: 111 �?�)1<�v�•13 . r�i` :
Retention/Detention Facility Desi_qn
Edit Facility
Loading Time Series Filc�: ll 18yde��. tsi
Time Series Found in Memory:11189dev.tsf .
Saving Retention/Detention Facility File:211891evel3.rdf =
Starting Documentation File_C: \kc_swdm\kc_data'•,examnle\kcrts�.111891e��e13 .de,c�
Time Series I���ur��:l in h��•�n�_,r �.�: 1 1 129r1� •..:_ < <;, .
Edit Complete
Retention;Detention Facili�y lies-c�,.
Route Time Series through Facilit :
Flow Frequency Analysis
Time Series File:11189pre.tsf
Project Loc�tion:Landsburg
--Annual Peak Flow Rates--- ---Flow Frequency Analysis------
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS} Period
1_53 2 2/09/Q1 14:00 2.61 1 100.00 0.990
0_420 8 1/05/02 16:00 1.53 2 25.00 0.960
I.06 4 2/28/03 16:00 1 .45 3 10.Q0 0.400
0_612 7 8/26/04 1:00 1.06 4 5.00 0_800
0.963 5 1/05/OS 10:00 0.963 5 3.00 0.667
0.764 6 1/18i06 21:00 0.764 6 2.00 0_500
1_45 3 ll/21/06 9:00 O.b12 7 1_30 0.231
2.61 1 1/09/08 7:00 0.420 8 1 .10 0.091
Computed Peaks 2_25 50.00 0.980
Flow Frequency Analysis
`Pime Series File:11189dev.tsf
Project Location:Landsburg
---Annual Peak Flow Rates--- -----F2ow 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
?. .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
�1 .29 3 8/26/04 1:00 3 .72 4 5_00 0_800
3 . 54 7 IO/28/04 18:00 3 .68 5 3 _00 0.667
3 . 67 6 10/22/05 17:00 3 .67 6 2_00 0.500
4 .44 2 11/21/06 9:00 3 _54 7 1 .30 0_231
6 .68 1 1/09/08 7:00 2 .20 8 1_10 0_091
Cornpured Peaks 5 . 94 50. 00 0 .980
I
. _ Flow Frequency Analysis
T.ime Series File:11189rdout_tsf
Project Location:Landsburg
-—Annual Peak F�ow Rates--- ——-Flow Frequency Analysis-----
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS) (€t) Period
L 53 2 2/09/O1 20:00 2.61 10_00 1 100. 00 0.990
0.284 8 11/OS/OI 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 b:00 0.751 6.48 4 5_00 0_800
0_751 4 1/05/05 15:00 d.726 b.34 5 3 .00 0.667
0.389 6 1/19/06 2:Q0 0.389 5.35 6 2.00 0_500
1_34 3 21/24/06 8:00 0.328 4.05 7 1 .30 Q.231
2_ 61 1 1/09/08 12:00 6.284 3_03 8 1 .10 0.091
Computed Peaks 2_25 9.37 50.00 0_980
-�,
Retention/Detention Facility
Type of Facility: Detention Pond
Side Slope: 3.00 H:1V
Pond Bottom Length: 164 .02 ft
Pond Bottom Width: 82_OI 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. ft
5.058 ac-ft
Riser Head: 10.00 ft
Riser Diameter: 18.00 inches I
Number of orifices: 3 �
Full Head Pipe I,
Orifice # Height Diameter Discharge Diameter �
Ift) (in) (CFS) (in)
l 0_00 2 .95 0.515
? 5.28 3.36 0.666 6.0
3 8.33 6.39 1 .429 10.0
Top Notch Weir: None
O�.itflow Rating Curve: None �
Stage Elevation Storage Discharge Percolation Surf Area
( ft) (ft) (cu. ft} (ac-ft) (cfs) fcfs} (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 Q_037 0_00 13525.
0.08 389.08 1081. 0_025 0_045 0_00 13570.
0.10 389.10 1353. a_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 2945. 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 O.lb2 0_00 14948.
1 . 18 390.18 16920. 0.388 0_17? 0.00 15243 .
1 .38 390. 38 20000. Q.459 0.191 0.00 15557.
] .58 390.58 23143. 0_531 0.204 0_00 15874.
] .77 390.77 26188. 0.601 0_217 0.00 16177.
1 .97 390_97 29955. 0_676 0.229 0.00 16499.
2 . �6 391 . 16 32620_ 0.749 0.240 0_00 16808.
7 .36 39� .36 36014. 0.827 0_250 0.00 17136.
?. .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 28459.
3_ 34 392.34 53609. 1 _231 0.298 0_00 18783 .
3 .59 392.54 57400. 1 .318 0_306 0_00 19128_
3 .73 392_73 61066. 1_402 0.315 0.00 19458.
3 .93 392 .43 64992. 1 .492 0_323 0.00 19809.
4 .13 393 . 13 68989_ 1 .584 4�331 0_00 2�162 .
_ 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 8526I. 1.957 0.36Z 0.00 21567 _
5. 11 394 .11 89611. 2.057 0.368 0.00 21935.
5.28 394 .28 93367. 2 . 243 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_QO 22435.
5_92 394 .42 9b500. 2.215 0_424 0_00 22510.
5.45 394 .45 97176. 2.231 0_449 0_00 22566.
5.49 394_49 98Q80. 2 .252 0_480 0.00 22641.
5.52 394 .52 98760. 2_267 0.513 0.00 22697 .
5.56 394 .56 99670_ 2_288 0.546 0_00 22772.
5.59 394.59 100354_ 2.304 0.557 0.00 22828.
5.79 344_79 104957. 2.409 0.611 6.00 23205.
5.98 394 .98 109400. 2.511 0.656 0_00 23566.
b.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 .
7.94 396.94 I59343. 3 _658 0.959 O.QO 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 Z_S00 0_00 29082.
8 .80 397.80 183708. 4.217 1_810 0.00 29230.
8.87 397 .87 185759. 4.269 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 .5�3 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 3I201 _
9.91 398.91 217969. 9.992 2.560 0.00 31616.
10.00 399.00 220323. 5.058 2_610 0.00 31813 .
�, 10.10 399_10 223516. 5 . 131 3 .120 0_00 32033 .
10.20 399_20 226730_ 5.205 4 .020 0.00 32254.
10.30 399.30 229967. 5.279 5.160 0_00 32475_
10 .90 399.40 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 Q .00 33593 .
10.90 399.90 249854. S_736 11 _110 0.00 33819 .
11 .00 400.00 253247_ 5.814 11 .590 0. 00 34045.
11 . 1(l 400 . 10 �56FF,3 . 5 . 89? 7 � . 050 0. 00 3�273
_ 11.20 400_20 260101. 5_971 12.490 0_00 34501 _
11.30 400.30 263563_ 6_.051 12_910 0_00 34729 .
11 .40 40.0.40 267047. 6.131 13_320 . 0.00 34959 .
11_50 400.50 270555. 6_211 13.710 0.00 35189.
11 .60 400.60 274085. 6_292 14.090 0.00 35419_
11.70 400.70 277639. 6.374 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 1U.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
5 3 _?2 ******* 0.73 6_34 395 .34 118004_ 2.709
6 3 _67 ******* 0_39 5.35 394_35 94971_ 2_ 180
7 4 _29 **'**** 0.33 4.06 393_06 67507. 1_550
8 2.20 ******* 0.28 3_03 392.03 47879. 1 .099
Route Time Series through Facility
Inflow Time Series File: 11189dev. tsf
Outf lc�w '['ime SE�r ies F'ile: I 1 ]89rd�ut
irfl�>�,a,��_�uYflo�r� i�rialysis
Peak Inflow Discharge: 6_68 CF� at ' : 00 on J��n 9 in Year 8
Peak Outflow Discharge: 2.61 CFS aY 12 :00 on Jan 9 ir; Year 8
Peak Reservoir Stage: Z0.00 Ft
Peak Reservoir Elev: 399.00 Fr_
Peak Reservoir Storage: 220322. Cu-Ft
. 5.058 n.c-Ft
Flow Frequency Analysis
Time Series File:11I89rdout.tsr
Project Location:Landsburg
---Annual Peak Flow Rates--- ---Flow Frequency Analysis- - ----
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Yrob
(CFS) (CFS} (ft) Period
1 .53 2 2/09/O1 20:OQ 2 .61 10.00 1 I00.00 0.990
0.284 8 11/OS/O1 3:0� 1 .53 8.74 2 25.00 0.960
0.726 5 2/28iO3 19:�0 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 9 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 .d5 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 $ $ $
0.022 33762 55_059 55_059 44_941 0.449E+00
0_665 5780 9.426 64 .485 35_515 0_355E+OU
0.107 6323 10.295 74 .780 25.220 0_252E+QQ
0. 150 5297 8.638 83 .418 16.58? 0. 166E+00
.,,, 0. 193 9099 6.685 90.103 9.897 0.990E-01
, 0.236 2499 4 .075 94.178 5.822 0.582E-02
0.278 1598 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 i
0.407 172 0.280 99.459 0.541 0.591E-02 '
0.450 29 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 Q.072 99.703 0_297 0.297E-02
0.6b4 30 0.049 99_752 0.248 0_248E-02
0.706 25 0.041 99.793 0.207 0.207E-02 i
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 6.032 99.948 0.052 0.522E-03 �
1 . 01 12 0.020 99_967 0.033 0.326E-03 '
1 . 05 6 0_O10 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 �,
i 18 2 0_003 99.985 0.015 0.147E-03 �,
1 . 22 1 0.002 99.987 0.013 0.130E-03 I
1 _ 26 3 0.005 99._992 0.008 0.815E-04
1 . 31 0 0.000 99.992 0.008 0_815E-04
] _ 35 2 0.003 99.995 0_005 0_489E-04
1 . 39 1 0_002 99.997 0.003 0_326E-04
] . 43 0 0.000 99_997 0_003 0.326E-04
1 . 98 0 0_000 99.997 0.003 0.326E-04
I _ 52 I 0.002 99.998 0 . 002 0 . 163E-04
Flow Duration from Time Series File: 11189pre.tsf
Cutoff Count Frequency CDF Exceedenc.e_Probability
CFS $ $ $
0.382 60767 99.098 99.098 0.902 0.902E-02
0_435 119 0.194 99_292 0.708 0.708E-02
0.489 83 0.135 99.428 0_572 0.572E-02
0.542 92 0_150 99_578 0.422 0.422E-02
0.596 58 0_095 99.672 0.328 0.328E-02
0.649 50 0.082 99.754 0.246 0.246E-02
0_702 35 0_057 99.811 0.189 0.189E-02
0_756 27 0_044 99.855 0.145 0.1�5E-02
0_8d9 18 0.029 99.884 0.116 0.116E-02
U.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 99.453 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 S 0_008 99.979 0.021 0.212E-03
1.29 2 0.003 99.982 0.018 0_179E-03
1_34 4 0.007 99.989 0_O11 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.00OE+QO
1_72 0 0.000 100.000 0_Q00 0_O00E+00
1.77 0 0.000 100.000 0.000 O.O00E+00
1_82 0 0_000 100.000 0.000 O.O00E+00
1.88 0 0_000 100.000 0.000 0_O00E+00
1.93 0 0_000 100.000 0.000 0_O00E+00
1_98 0 0.000 100.000 0.000 O.O00E+00
2.04 0 O.00Q 100.000 0.000 O.O00E+00
2.09 0 0.000 100.000 0.000 O.O00E+00
2.14 0 0_000 100.000 0_000 0_O00E+00
2 .20 0 0_000 100.000 0.000 0_OOOF,+00
2 . 25 0 0.000 100.000 0.000 O.O00E+00
I
�
� Flow Duration from Time Series File_11I89rdout_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 d_355E+00
0.107 6313 10.295 74.780 25_220 0.252E+00
0.150 5297 8.638 83.918 16_582 O.1bbE+00
0.193 4099 6_685 90_103 9.897 0.990E-01
0_236 2499 9 .075 94.178 5 . 822 0.582E-01
0.278 1548 2.524 96.7Q3 3 .29? 0.330E-Q1
0.321 812 i _324 98_0?.7 1 _973 0_197E-01
0.364 706 1_151 99.178 0_822 0.822E-02
fl_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 I6 0_026 99.553 0_447 0.447E-02
0_578 48 0_078 99_631 0_369 0_369E-02
0.621 94 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 0.02b 99.917 0_083 0_832E-43
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_OlQ 99.977 0.023 0.228E-03
1.09 2 0.003 99.980 0.020 0.196E-03
1. Z3 1 0.002 99_982 0_018 0_179E-03
1_18 2 0.003 99.985 0_015 0.147E-fl3
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 O.Od8 0_815E-04
I.35 2 0_003 99_995 0_005 0.489E-04
1_39 1 0.002 99.997 0_�03 0_326E-04
1_43 0 0.0a0 99_997 0_003 0.326E-�4
L 48 0 0_000 99.997 0_003 0.326E-04
1 . 52 1 0.002 99.998 0_002 0 . 163E-04
� Duration Comparison Anaylsis
Base File: 11189pre.tsf
New File: 11189rdout. tsf
Cutoff Units: Discharge in CFS
-----Fraction of Time- -------Check of Tolerance-------
Cutoff Base New $Change Probability Base New �Change
0.382 ` 0.90E-02 0_59E-02 -35. 1 � 0.90E-02 0.382 0_360 -5.7
0.470 � 0.61E-02 0.49E-02 -19.8 � a.61E-02 0.470 0.376 -20.1
0.559 � 0.40E-02 0_41E-02 3.3 � 0_40E-02 0.559 0.564 1 .0
0.647 � 0.25E-02 0.26E-02 4_6 � 0.25E-02 0_647 0.664 2 .6
0_736 � 0_16E-02 0_17E-02 6_ 1 � 0_16E-02 0.736 0_750 I.9
0_825 � 0 .11E-02 0.13E-02 17 .4 � 0.11E-02 0.825 0. 872 5.7
0.913 � 0_85E-03 0.88E-03 3_8 � 0.85E-03 0.913 0.916 0_3
1_00 � 0.62E-03 0.34E-03 -44_7 � 0.62E-03 1.00 0.949 -5_2
1.09 � 0_44E-03 0_20E-63 -55.6 � 0.44E-03 1.09 0.978 -10.3
1. 18 � 0_31E-03 0.15E-03 -52.6 � 0.31E-03 1.18 1 .01 -14.2
1 _27 � 0_18E-03 0.82E-04 -54.5 � 0.18E-03 1.27 1 _16 -8.7
1.36 � 0_11E-03 0.49E-04 -57.1 � 0.11E-03 I.36 1_25 -7.7
1_44 � 0.55E-04 0_33E-04 -50_0 � 0.65E-09 1.44 1 _34 -7_1
1 _53 � 0.16E-04 0_00E+00 -100.0 � 0.16E-04 1. 53 1 _53 -0.4
P�iaximum positive excursion = 0.058 cfs ( 7 .4$?
occurring at 0.789 cfs on the Base Data: 11189pre_tsf
and at 0.847 cfs on the New Datac11189rdout.tsf
i�iaximum negative excursion = 0.101 cfs (-21 _2$)
occurring at 0.479 cfs on the Base Data_ll189pre.tsf '
and at 0. 377 cfs on the P1ew Data: lll f39rdor�•` . tsf
�.., PROPOSED PLAT OF STONERIDGE
SIZE THE BASIC WET P�ND
Vr = [0.9 A;+0_25 A.ig)(0.043)
_ ((0.9x9.62)+(0.25x6.56)](0.043)(43>560)
= 19,306 CF
ub = (3xur)=57,918 CF
�' II
k' I
r,
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1 I 189.00l.doc(JPJ/dmltepl
�
5.0 CONVEYANCE SYSTEM ANALYSIS �
AND DESIGN �'�
,...,,, 5.0 CONVEYANCE SYSTEM ANALYSIS AND DESIGN
As mentioned previously, the SCS-based hydrograph method was utilized for the 25-year rainfail
precipitation during the 24-hour storm event for a hydrograph computed for each caich basin
sizing the conveyance system on-site and routing runoff into[he weUdetention 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.
I 1189.00I.doc(JPJ/dm/tepl
!� i f h°��������, s,�/�s r ti� � o��-�t��M�7-� �
Q ��{� J � . �? i d-'��.-' Gc� 1 ✓�,�� /GfO l��� �►-�. ��r,�'
�Lt���r I�t����v�n k � �� , j� �� �,p 5�-��,
�. A ended on: 16:58:53 Thursda March ll 2004 r
PP �j � �vvE 5 1 tl �%ar+-� i �i'�' �c3 i�
'�'� IO��'d-i o�} �t.-toC, � t� � ��� �o^�t----�..� �,�.-,
11189upstream east Event Summary �
�tSi� .
j Event Peak Q (cfs}iPeak T (hrs)�Hyd Vol (acft)iArea (ac);Method;Raintype�
�6 month ; 3.2145 � 9.00 ( 3.1401 � 87.2400 . SBLJH �TYPEIA �
! 2 year 9.4961 � 8.67 ; 7.2749 _j 87.2�400 j SBUH :TYPE 1 A i
' ---- �- .
� IO year t7.0308 ; 8.50 �11.8768 r87.2400 SBUH ;TYPEIA (
r---- -- -- -�----- r----=- �-1
j 25 year ; 22.6093 ; 5.50 { 1�.2297 j 87.2400 SBUH �TYPEIA �
�10(T year`; 28.0471 i 8_50 �18_4843 � 87.4� SBLTH 'TYPEIA �
---- -- -- ------- �
Record Id: 11189upstream east
__
Design Nlethod SBIJH ;Rainfali type TYPE 1 A i
iHyd Intv i Ol 0 min Peaking Factor 484.00
-- - --r-
I, ;Abstraction Coeff 0.20
� I
±Pervious Area � 87.24 ac jDCIA 0.00 ac ;
�Pervious CN � 85.96 �DC CN ; 0.00 �
- - - -- ---
i
` jPervious TC � 60.09 min !,DC TC ( 0.00 min �
- ---- -- -- =----- -
� ------ _ ------- ---- - ;�
Pervious CN Calc ��
-- ---- ___------ ------------ --- ---- -I:
Description ° SubArea � Sub cn �'
:: : ji
;; Impervious surfaces(pavements, roofs, etc) ; 4.3b ac� { 98�.00 �i
t�.-__-------- '�
ir Meadow or Pasture 82.88 ac 85.00 ��
i� ���
�; Pervious Composited CN (AMC 2) � 55.65 {
,•
'. r.___.__. _---- --. ._. . -1
j Pervious TC Calc �
;j Type E--Description � Length (Slope i Cce� Misc TT �� ��
ir--------.
;� ' f ` 2 20 41.45
��Sheet iDense grasses : 0.24 300_00 ft �2.00%�0.2400 . �
i; I m �min
;� --�--
�� `Short rass, asture and lawns �- i �-i494 �
;,Shailow I g p 1100.4(} ft 3_0(}%;Q_0300� �
;; ;(n=0.030) j ' i jmin
��- �---- --- � �-
��
I iChannel i 2700.00 (1530 ��
��(interm �Grassed (n=0.030) •ft 3.00%;0.0300� m�� ��
> ` I � ; I I j�
':Channel---- ------ -- --� -f � �-i2 45 �i
;(i�term) �Concrete pipe (n=0.012) 625.00 ft ;1.00°l0:0.0120 i !min ��
_ __. _ ____. _ __ _ __ _ --- ----__ ___ ----- --=-----=--- --�---
` � �
Pervious TC ; 60.09 :'•
, min i�
:� ,.
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Je�Mu�wN�
apHAVs iB2tS 72ND AvENUE SOUTN o•ww� �w. �
11189 t t� Kern, w�oeoss
m � (4ss)zs+-esu °n'"-"°� K83 III,DEVELOPMENT CORPORATION �
'^�' a' y l�zs)ss+-e�ez r.. ��«�-�+. "'"^" 12320 N.E,8lN 9T,$UITE 1►�00 ��YANCE AREA MAP
� CMl MWNQ1nMq UNO illJunwp, Mn.wi..Y.. ''w
1 , 1 �`"'�o�.o�-•`� su+�rn�,c.�ro�u��rK scn.�ca ""'�' BELLEVUE�WA3HINQTON 98005
en.�u[IM. .�.
� .���roo�V���o�..�.a......,p.ro�.,� e�- , a.a o.�./��,.. n�io�noo� � � , �
�.� s�o, ..�T,,, ,., ��,9-,,,,�9-, 3TONERIDQE
Appended on: 08:53:44 Friday, Apri102, 2004
ROU"TEH�'D [J THRU [pond) USING TYPElA AND [25 year] NOTZERO
RI:LATIVE SCS/SBUH
Reach Area ; Flow i Full Q �Full � nDepth j j nVel ; fVei ;CBasin/'
ID (ac) � (cfs) i (cfs) I ratio ; (ft) ; Size t (fUs) j {ft/s) ; Hyd
----- ---- , -�-- � 12"-;-- ---! �
,
; p23 0.6600 ,0.45Q3 � 13.0429 { 0.03 f 0.1274 ! Diam � 7'7257 ' 16.6068 �b23 �
; i ;
:- ---_--- ---- =--- = � . i
- -- -- -
i �- I ' E 12" �- - � �
; p28 0.370Q ;0_25I2 1 I3.0282 i 0_02 I 0.0962 ; Diam � 6.5063 �16_5881 �cb28
----- -- _ �--- �--�-�-- -�
` � ` �-' 12" f � ; �
p32 � 0.3�00 �0.2382 ; 8.8808 � 0.03 ; 0.1128 �Diam ; 4.8844 ? 11.3074 �cb32
__--- ----- '----- --------- ` --- :�---r------l- '
p3� 0_44Q0 `0.?983 � 4_1199 0.07 r 0_I 821 � 12 i 3.050_5 � 5_2456 �cb35 �
` Diam ,
_. _. _ . - ----.:_- - _ __----:--- _ _-- '----'- .�_- -----:-----�
� �
E�3b 0.4000 0.2722 9.4786 ; Q.03 � 0.1167 ' 12 � 53109 : 12.0686 `cb36
Diam
: -- '----� � � ------- -- -- - -�
� p34 : 1.0000 �0.6805 � 3.7125 � 0.18 ( 0.2896 ;Diam ; 3.6074 � 4.7270 �cb34
� . � ;
_ ----- ---- � -------- - -------:
r---- ; 1�., i i �
p38 0.3500 !0.2382 : �.5261 0.09 i 0.2075 � Diam j 2_Q205 ; 3.2163 �cb38 ;
i ,
- : -r--- , - -. - ' --i
` +12„ �---,
p44 0.1600 0.1275 ; l I3307 i 4A1 � 0.0747 �Diam � 4_7920 i 14.4268 ;cb44 ;
-_ _� r-.---_� � -�
. - .___ �-_-__-_ _ __ � n ' __� - - {
p46 4_1300 ;0.1036 � t0.6575 i OA1 I 0_0698 ! Diam ( 4.3024 j 13.5G95 icb46 i
I i � !
-----r- -, r--, . -;
12�� � �
p45 0.2000 :0.1�94 � 2.5261 � 0.06 0.1704 � 1_7939 ' 3.2163 �cb45 �
i �
� `1 Diam i � { �
__-- ----- �---, ---�--�-= 12„ �-- - -)
p47 03600 i 0.2869 � 2.5261 E 0.11 � �-227� j Diam 2-1346 � 3.2163 � i
��
: . . i
- - ----- _ -_ _- --_- :-- � -�----,- - ------ --- -----�
E�37 0.7700 0.�659 ?.5261 � 0.22 � 032I8 � 12 ' 2.5919 i 3.2I63 `cb37 I
Di am ; �
. , i
_ _ _ __ ,_ ._ _ - ------�- �------ --�
p33 2.3300 1.6286 25261 0.64 ` 0.5845 12 � 3.4160 r 3.2163 ;cb33 �
: Diam ; ,
p_ � � 0.3491 � 4 8_5153 � IQ.0891 ;cb29 ;
�9 ?.9900 2_4789 � 7_9240 ; 0.26 � ; 12 '
� ; Diam ; �
-__ --___ __ _ -__ ----- -----
--: ----r--- �------, ---;
� � � 12" � � �
p27 3_4I00 236-�2 � 2.5261 0.94 � 0.7671 � Diam � -�-6570 : 3_2163 ►cb27 �
; ,
� � ; : ; ,
-- ;---- ------- - --_._ - --- ;-------__,
p24 ;_6800 2.�473 � 4.�801 O.S6 � 0.6662 � 15 3.830� � 3.7322 ;cb24 ;
:Diam ; '
. ,
__ _._ _. _---- __._._ ___--- ----
: ; �
p22 , �_6100 3.1808 4.5801 � 0.69 ! 0_ 67 b3 ; IS" i�.0329 ' 3.7322 �cb24 -�
� � ------ ;-- -!-- � �-- �D a.m , - - - ��,
�- - ----- ��2 �--�- I
p� ; 2.3800 � 1.6202 � 2.�261 : 0.64 f 0.5825 i Diam � 3.4120 i 3.2163 �cb5
.___- -- ------- - ---- - ---- ---- -------�-- --r r----- '
p8 0.I 800 0.I?31 2.5261 0.05 � 0.1499 ` 12, � 1.6675 � 3.2 I 63 �cb8
: Diam i ' : �
, ,
� _ __ .. _ _- - _ --- - ---- �
--- �-- �-12„�---- -r----- � ;
pl 1 0.29Q0 0.1962 i 2.5261 ! 0.08 � 0.1885 ; Diam ( 1.9101 M 3.2163 cbl 1 �
• ;
;
,
,
- - _ . ---- __-- __ � , - , -
pl4 0.7600 0.�183 i 5.0268 � 0.10 ' 0_2173 ' D�a'm 4.1182 �6.4003 ;cb14 ;
; : , �
; �
... _ _.___._ ___._.._ .__._._.
-�------ -- -�--------i - ---r--- � i
_ p13 , 1.0000 0.6805 � 7.6703 " 0.09 ; 0.2017 � Dia,m �6.0140 � 9_7661 �cb13 �
, ;
,
' p16 0.8600 i 0_5864 r 11.6856 � 0.05 � 0.1519 � 12 7.7975 �14.8786 ;cbl6 .
; � � i D�am �I i
------ ----- --- --�- -� -� 12„ � ,
p 19 Q.4800 `0.3272 I 8.6035 : 0.04 I 0.1333 � 5.2582 i 10.9543 �cb19 �
; j �Diam � j ;
� i
.._ ------� . , r-----� --r- r---- -- �
� p21 � 0.0500 s 0.0340 � 2.5261 ; 0.01 �0.0815 � Diam ��1238 � 3.2163 `cb21 �
�
-- - .___ ---__-- .-- -- �:-- �-- ----j
, �-----' � i2„ �------;-
p20 0.1300 �0.0890 � 2.5261 ; 0.04 �.0.1284 � 1.5109 j 3.2I63 ,cb20
: , � Diam � �
I� _. : - - - - -- - - --- - -- - -- - i
- �
� pl8 0.8800 0.5994 ; 2_5261 � 4_24 i 0.3315 �D�� � 2.b350 3 2163 �cb18 ,
, ,
_ ._ _ . .------
;-- - � ---- --� -- �-----
pl7 1.0000 0.680� ' 2.�261 0.27 : 0.3550 � 12 � 2_7249 � 3.2163 `cbi7 �
; Diam `
p15 2.0700 1.�110 ` 2.5261 0.56 ' O.S347 � 12 ; 3.3018 i 3.2163 ;cb15
� + Diam f ; ,
-- - - - - . � - ---;
_ ;- ."- ; i 12" � j ;
; pl2 3.3700 ; 2.2956 ; 7.1448 ; 032 j 0.3901 'Diam � g-0910 i 9.0970 ;cb12 ;
� ' ; , . ;
� . .
_ ---- ----- -- :----�---- r ---�
; -�- i-----, 12�� r i � �
. p10 3.7100 ;2.5258 ; 9_5658 ! 0.26 � 0_3511 �Diam I 1�.2674 �12.1795 +cb10
� . � f � � �
. -- �----
_ _ _.__--- , ' r ,� i-- -;
p9 3.7400 : 2.�468 ; 1 I.0687 ' 0.23 ; 03267 i 12 I 11.4260 i 14.0931 �cb9
; �Diam E I . j
;-- _ _._-- ----- . -- - =-----�---, -
, ; �12„ (�r---�- i
' p7 3.9600 ` 2.6989 i 12.0406 ; 0.22 � 0.3218 � DI ;a� 12.i 3617 �15.3306 �cb7 f
i � �
. __ -_ - --- - �-- �- �---- � I Di am ( I ,
- -r----- ,- --;----:
p4 6.3800 �4.3480 i 14.9$70 i 0.29 i 03687 � 16.5400 19.0821 �cb4 �
� � � , � i I
__ ------ ----- --- ---� -- --- .-----`------; 15" � �-�- i
p3 11.2600 ' 7.7119 8_b173 ` 0.89 ': 0.9225 �Diam i �-9426 f 7A220 �cb24 �
k i
. . .. . _ . . . .. . . . .. ... . .... . �----'---�--------- ---.�.
r---
1 1_5300 7.89�I 27.708=1 0.28 0_4568 I�" ; 19.4476 `22.5788 �cb24
�� . Diam :
..�,, Appended on: 08:10:29 Friday, April 02, 2004
Layout Report: pond
r--------------- :
' Event 'Precip (in}';
(2 year 2.2000 '
�------- __---- __
'10 year 2.9700
---- ._ _ ___ _
:25 year 3.5000
------_ _ _-- -- _ _
100 year 4.0000
Reach Records
Record Id: p10
-- ------ - ---___ _ _------- ------ - -----;
lSec[ion Shape: Circular
Uniform Flo«� Method: Manning's �Coefficient: i0.0130 �
_. _ �
,Routing Method: Trave(Time Translation Contributing Hyd '
�DnNode cb9 ;UpNode c610
';Material ------------------�Conc-Spun iSize I12" Diam '
------------ _---- - -- - —
'Ent Losses Groove End w/Headwall
-------- ------------ - � —r---
Length �4_0000 ft ;Slope i7.17%
_-------_ ______.----__-- --------_-------------r---- -- -
Up Invert 100.0000 ft ;Dn Invert j96.1282 ft
_ _---- - - ___ _ --__ --------�
Conduit Constraints ;
_ ._ _ ---__- ---------- -
:
�— ---;
Min Vel Max Vel :Min SlopejMax Slope;Min Cover;
'1.00 ft/s r15.00 fUs 0_20% �50.00% �3_00 ft �
. ,
__------------_ _--------- �
---------------------------- �
-�----- -
;Drop across MH 0.0000 ft Ex/Infil Rate !0_0000 in/hr
:-- ------ -----------__ ___ _---_ _______ ____— -•__-- --. -
;Up Invert 96.1282 ft �Dn Invert jlO0.0000 ft i
'Match inverts_ '
Record ld: pll
---- ----..._ _ _ ---_____--------------;
�Section Shape_ 'Circular i
'Uniform Flow Method: 'Manning's ;Coefficient ;0.0130
!Routing Method ,Travet Time Translation jContributing Hyd(
'DnNode cb10 iUpNode icbll
� iMaterial �Conc-Spun �Size 112" Diam
jEnt Losses 'Groove End w/Headwall
�Length 31.0000 ft �Slope �0.50%
�
�Up Invert '100.0000 ft iDn Invert '99.8450 ft
�----- ----- --�
;j Conduit Constraints
�;----. -- , --
!�Min Vel �Max Vel ;Min SlopeiMax S1ope;Min Cover�
�?1.00 ftls ;I5.00 ft/s; 20 0% ;50.00% ;3.00 ft �
�' ---- —
�Drap across MH 0.0000 ft Ex/Infil Rate !0.0000 inlhr'
�Up Invert 99.8450 ft (Dn Invert i 100.0000 ft '
'MatCh in��erts. --
Record Id: pl?
---_--_ __ _----
`Section Shape: ,Circular
;Uniform Flow Method :Manning's :Coefficient !0.0130
`Routing Method Travel Time Translation 'Contributing Hyd ;
`� �` iDnNode cb10 :UpNode ;cbl2
-- --- --------------------r------------ -
;Material 'Conc-Spun ;Size ':.12" Diam ;
-- — -- — ---------------- -------------------
'Ent Losses �Groove End w/Headwall
f__ _"__--'_ __ _--_�_ - ..
jLength f 100.0000 ft ;Slope �4.00%
�Up Invert '100.0000 ft �Dn Invert j96.0000 ft �
i� Conduit Constraints (
;�Min Vel iMax Vel Min S ol �Max Slo e Min Cover:
; ; ,
I Pe� P � .
�;1_00 ft/s `1�.00 fUs�0.20%
i50_00% �3_r 00 ft ;
_------ - ------ — --------�------ ---
.------
Drop across MH 0.0000 ft �ExMfii Rate :0.0000 in/hr
__- ------ __- ---- - - ____-______ __ _ _ __ _ _------.___--- - --------
:Up Invert 96.0000 ft 'Dn Invert ;100.0000 ft
------ ____--------------
'Match inverts. �
Record Id: p13
�Section Shape: Circular
------------------- -------- ---_._.
;Uniform Flow Method: :Manning's iC��erfic�cnt: ,U_0130
_ -------- -- —------------------ ---------- -
�
- �Routin� Method: 'Trave}Time Translation iContrihi�ting Hyd '.
. . _ __ _ _ _ _ _._ _ _ __ .___ ..
�DnNode �cb12 �UpNode cb13 �
� �
;Material 'Conc-Spun �Size ;12" Diarr� . _
'Ent Losses Groove End w/Headwal]
(Length 31.0000 ft ;Slope 4.61% ;
�
;Up vn eI rt ;100.0000 ft �Dn Invert ;98_5709 ft �
, -- -----� --------- '
� -------- --------�
,;
;: Conduit Constraints � �
----- ------------ - -�----- -__-----------� ,
�Min Vel Max Vel �Min Slope IMax Slope 'Min Cover` i
r--- •--_------- ------:�---- __ .
,
, :l.00 ftls :I5.00 ft/s;020% ;50.00% '3_00 ft ; !
. : ;
--------- -------- ---- ---------�
;Drop across MH I0.0000 ft iEx/Infil Rafe '0.0000 in/hri_ _
;Up Invert � ;98.5709 ft ;Dn Invert :100.0000 ft `
jMatch inverts. i
{
I
Record Id: p14
;Section Shape: iCircular i �
�Uniform Flow Method: ;Manning's 'jCoefficient: ;0.0130 ;
� ;
—�-----_
' �' !Routing Method: '.Travel Time Translation'Contributing Hyd � •
:DnNode !cb13 �UpNode ;cb14
;Materia! :Conc-Spun ;Size �12" Diam
- ------------- ------------ ---------- — - --
;Ent Losses !Groove End w/Hcadwall
- -_----- -------------------- --- -- --__- - ------ - ----- ----— ----
:Length 77.0000 ft iSlope �1.98�'l0
-- --------------------------;— --------:----------- ---
'Up Invert 100.0(}00 ft �Dn Invert '98.47�4 ft
�- ----------------- --- -------------
Conduit Constraints �
i iMin Vet iMax Ve) =Min Slope Ma S pe�Min Cover�
� � �
;i 1_OQ ft/s ;15_00 ft/s;0.20% j50.OQ% ;3.00 ft ±
;Drop across MH ,0.0000 ft tEx/Infil Rate ;0.0000 in/hr�
---------- ---------�- —---------
'Up Invert i98.4754 ft :Dn Invert ;100.0000 ft
�Match inverts.
�
Record Id: p15
-------------- ----�
;Section Shape: ;Circular '
�
�- ---------- ------ — ----------— - - --- - ----------
'Uniform Flow Method: 'Manning's :Coefficient: :0.0130
_
� - Routing Method: Travel Time Translation�Con� tributing Hyd'-- �
-- -------- -- r----------
�DnNode :cb12 iUpNode icb15
�------- �--_------------;
:Material Conc-Spun ;S�ze ,I2" Diam
----------------------------- --- --------- --
;Ent Losses ,Groove End w/Headwall
;I.ength------�;100.0000 ft --- -�Slope - - -j0.50%
;Up Invert 100.0000 ft �n Invert �99.5000 ft f
--- -----' ;
r— _ - -- ,
;�- Conduit Constraints ; .
:{Min Vel �Max Vel iMin Slope;Max Slope iMin Cover�
;•`,1.00 ftls �I 5.00 fUs i0.20% 50.00% 3.Q0 f[ �
Drop across MH '0_0000 ft !ExMfil Rate ;0.0000 in/hr:
---------------
�----, -- ,
Up Invert '99.5000 ft CDn Invert ;100.0000 ft ;
;Match inverts.
Record Id: p16 I
------- ---------- -- ---------------�
Section Shape: Circuiar i
� ;Uniform Flow Method: '.Manning's ;Coeffieient. �4.0130
iRouting Method: `Travel Time Translation �Contributing Hyd�
;DnNode cb15 �UpNode cb16 �
�Material `Conc-Spun �Size �12" Diam
'Ent Losses Groove End w/Headwall
jLength ;31.0000 ft Slope ,1Q 70°10 �
'Up Invert "100_0000 ft Dn Invert j96.6830 ft
�; Cond�it Constraints
;;Min Vel ;Max Vel ;Min Slope Max Slope�Min Coverl ;
;�1.04 ft/s �15.00 ft/s'0.20% 50.00% �3.00 ft �
'Drop across MH V 0.0000 ft` Ex/Infil Rate �a_0000 in/hr`
' ` ---
1._'____"-____-'_"_,__. �._____"_ -.'--'_____�-___'___"� _.
�Up Inven 96.6830 ft ;Dn Invert 100_0000 ft
---- ------ --------___.____
'Match inverts_
Record Id: p17
-,
�Section Shape: ,Circular �
-_-..�.-__-'__.'-'____'_-.--_-__ __.__J
i
...._.. ... .. . . ... ._ _. ._._'"_"..___ __.... . _ _,._ . . . .
_
� jUniform Flow Method Manning's Coefficient: �0.01 0 � �
�------
_ ..
Routing Method: �Travel Time Translation Contributing Hyd 1 �
DnNode cbl5 �Node �cb17
-- ----— •
�Materia( Conc-Spun Size �12� " Diam ;
_ ___ �
�Ent Losses :Groove End w/Headwall
�
`Length ---�--- 100_0000 ft �Slope -- `0.50% ----;
'Up Invert ` 100.0000 ft � rDn In�ert �99.5000 ft �
,___ --------- ------ ----- �
Conduit Constraints �
--r-----. �
�iMin Vel Max Vel �Min Slope�Max Slope Min Cover f
�----�--
�''1.00 fUs <15_00 fUs;0.20% �50.00% i3.00 ft
-_ ---_-- — - -- -�-- — ----
:Drop across MH 0.0000 ft �Ex/Infil Rate !0.0000 inlhr�
Up Invert 99.SOQ0 ft �n Invert ;100.0000 ft �
Match inverts_
Record Id: p18
------ �
� . Section Shape: !Circular �
;Uniform Flow M�ethod:;Manning's Coefficient: :0_0130
- — - — r-- —
;Routing Method: Travel Time Translation Contributing Hyd'•,
DnNode--------- 'cb17 -----------�Up :cb18
- -------------- --------------- - — -
Material iConc-Spun ;Size ;12" Diam
`Ent Losses ' 'Groove End wlHeadwall
--- ----— -�
:Length 100.0000 ft jSlope ;0.50%
- �--- ---�----
;Up Invert i .100.0000 ft �Dn Invert �99_5000 ft
,------------------ - -- ---- -
--._—_----- ---- --- �
Conduit Constraints j
--�-----:
�Min Vel :Max Vel ':,'Min S1ope!Max Slope;Min Cover�
,'--
:',I.00 ftls ;I S OQ ftls(0.20% r50.00% k3.00 tf �
�Drop across MI-I `:0.0000 ft Ex/Infil Rate 30.0000 1illFli�
iUp Invert '99_5000 ft �Dn Invert j10(}.0000 ft �
;Match inverts.
Record Id: p19
� �
.�
�
i
� �Section Shape: J _Circular �
i - ---- -- ------- - — _— --- ---' - -- -
Uniform Flow.Method: Manning's :Coe fcient: i0.0130 ' - �
-------------------- , ' �
�Routing Method: Trave! Time Translation �Contributing Hyd �
�DnNode ';cb18 UpNode �cb19
rMateria} ;Conc-Spun Size �1 Diam
Ent Losses �Groove End w/Headwall
--r-- I
;Length 31.0000 ft Slope �5.80%
�-- — - '
� `— i
;Up Invert `100.0000 ft Dn Invert �98.2020 ft
_ _ _.
— _ _ —,
:� _'-_ "-- . _-�--.. .._.. . F
Conduit Constraints �
.-- --- :
�:,Min Vel Max Vel �Min Slope Ma�c Slope�Min Cover ; �
�;1.00 fUs �15.00 ft/s;0.�%'SO.� 00 0% 3_00 ft k
; _— _ ;
_ _ _ _ _ .
�Drop across MH 0.0000 ft Ex/Infil Rate �0.0000 in/hr; �'I
�Up lnvert 98.2020 ft ;Dn Invert ;100.Q000 ft
_----------------------
Match inverts.
�
�
Record Id: r2
'Section Shape: 'Circular I
�Uniform Flow Method: 'Manning's jCoef i ic enf : IO 0130
�-:
�Routing Method: 'Travel Time Translation �Contributing Hyd;
�----------
lDnNode :cb22 �UpNode �cb24
: _ ,
-- -- — :
�Niaterial �Conc-Spun lSize 15" Diam ;
�---- — .
iEnt Losses Groove End w/Headwall
----- ---- ' _ ;
;Length 41_0000 ft Slope i 18.30°Io ;
�---------
:Up Invert :100.0000 ft �Dn Invert �92.4970 ft `
Conduit Constraints 1
----- - -______--- ----------- (
�`Min Vel Max Ve1 Min Slope'Max Slope,Min Cover� �
------ --.._ _ ---- ---
I.00 ft/s ,15.00 fUs;0.2Q°Io 50.00% �3_40 ft �
--- -— �___- -— - ------- ---- --� — - ---
Drop across MH °;0.0000 ft !Ex/Infil Rate !0.0000 in/hr
-. ----- ____ —------ -- ----- ----�--
�Up Invert �92.4970 ft �Dn Invert !100_OOQO ft
,_ ._ _._______.___.----------
IMatch inverts_
Record Id: p20
_ _ __ __-�
�Section Shape: Circular
;Uniform Flow Method Manning's Coefficient: �0.0130 ;
-_-------- �
�Routing Method: :Travel Time Translation EContributing Hyd� !
DnNode �cb18 ,UpNode �cb20 �
- � � - - - - _ _ - -i
;Material :Conc-Spun Size 12" Diam �
_ __ _ ___ �
;�-------- -- - --
�Ent Losses Groove End w/Headwall �
___ _ _.. ... �
r__._. -__-._ �_._ .�
'Length 87.0000 ft ;Slope 0.50% f
----- - _ _-------- ---- -----------� ---
:LJp Invert 100.0000 ft jDn Invert 99.5650 ft �
-- _. -- -----Conduit Constraints- -- ----i '
�___----__ ____------�--- -- -------- ;
;Min Vel ;Max Vei :Min Slope�Max Slope Min Cover: �
'�1.00 ft/s ;l S.OQ f[/s�4.20% �50.00% i3.00 ft
t
�Drop across MH 0.0000 ft !Ex/Infil Rate 0.0�00 in/hr; ,
;Up Invert � 99.5650 ft Dn Invert ,100.0000 ft ;
--- �
Match inverts. �
-------------- — ---- i
Record Id: p21 �,
-----------_--------- -- -�
;Section Shape: Circular �
:Uniform Flow Method: Manning's 'Coeffcient: �0.0130 �
-- - --- �
iRouting Method: Travcl Time Translation�Contributing Hyd ;
� ----_____----------�- -- '-- �
'DnNode �cb20 ;UpNode ;cb21
._._--- -. - -____- - -- ---------------- ------ - ,
Material Conc-Spun iSize �12" Diam
------ ___ ---------- -----------__------------ --- ---;
'Ent Losses Groove End w/Headwall
__ ------ -_ ------ �----- -�- '
'I�ength 31.0000 ft ;Slope ;0.50%
�------_ _----------------------- -- -- -.
:Up Invert 100.0000 ft �Dn Invert i99.8450 ft �
----_—__ --------- --- ----- --
�
;,- - ------------------ -- - � �
Conduif Constraints
�------�----�—----� -- .----
!Min Vel iMax �'el ;Min Slope�Max Slope!Min Cover;
,
' ,°1 00 ftls I 5_00 ftls�0.20°Io` _�50 00% �3_04 ft _ �
r-------
_--------- .___.._.. .-'-_.- ----------- -------- �
;Drop across MH 0.0000 ft jExMfil Rate �0.0000 inlhr�
iUp Invert �99.8450 ft Dn Invert 100.4000 ft �
;Match inveris. '
�
Record Id: p22
----------------------------
`�" Section Shape: 'Circular �
'Uniform Flow Nlethod_ Manning's ;Coefficient: ;0.0130
._____..---------------------- - �
�.Routing Method: Travel Time Translation �Contribvting Hyd:
-_ _ _------------_- -- --, --
,DnNode cb22 ;UpNode icb24
:Material Conc-Spun ;Size '15" Diam
:Ent Losses :Groove End w/Headwall t
:---_------- ------ - � — ;
�Length '20.0000 ft ;Slope j0.50%
=--------- ___ ------- - _ �_
�Up lnvert 100.000Q ft ;Dn Invert 99.9000 ft i
------ _:. _ _ �
' Conduit Constraints �
;;
!Min Vel �Max Vel Mi�--n Slope:;Ma S jMin Cover
�--- --;—
1.00 ft/s ;15.00 ftls j0.20°Io �50.00°Io ;3_00 ft
,_ -� I
Drop across MH 0.0000 ft iEx/Infil Rate �0.0000 in/hr; '
r------ ----------: _ __. :
;Up Invert 99.9000 ft !Dn Invert 1Q0.0000 ft : �
'Match inverts
Record Id: p23 ��I,
_ _ _ _ _ ____ _ _ _-- ---- --------_---- .
Section Shape: ,Circular
Uniform Flow Method: Manning's ;Coefficient: j0.0130
-------_------------------------ - —----
Routing Method: Travel Time Translation;Contributing Hyd i
DnNode cb22 �UpNode �cb23
,Material ;Conc-Spun Size !12'a �
,Ent Losses Groove End w/Headwall �
,Length 4b.0000 ft �Slop�e j13.33%
,
_--------—-------- ---------�— ----r--;
;Up Invert '100.0000 ft iDn Invert (93.8682 ft ;
' Conduit Constraints
..------- ---- -- r- -�-
l��in Vel ;Max Vel �Min Slope�Max Slope 1Min Cover
1.00 fUs :I5_00 ft/s�0.20% �50.00% '3.00 ft
llrop across MH '0.0000 ft 'Ex f Rate ;0.0000 in/hr`
_ -- - ----._ _..--- -- ------ _ _____ -- --- ------- -- --
Up Invert 93.8682 ft ;Dn Invert �100.0000 ft
_ - - - - _
i�latch inverts.
Rec��rd Id: p24
--- ---------------- 1
'�� ;Section Shape: Circular
--- �
!:Uniform Flow Methad �Manning's ,Coefficient: 0.0130 �
�--
fRouting Method: �Travel Time Translation MContributing Hyd � j
;DnNode ;cb22 UpNode cb24 � I
�Material Conc-Spun ;Size !15" Diam �
__. �
------ — — __ _ . ;
;Ent Losses 'Groove End w/Headwatl �
�----- --- — - _
�Length 65.0000 ft ;Slope 0.50°l0
� �
:------ _ _- _---_-------- - ---�-- --:
�Up Invert 100.0000 ft iDn Invert 99.6750 ft ;
_ -- - - ---- ------- --- --- -- �
"".. '_""._. . ._._'_._'__. "--_. __..'._.---_--_-_k 1
Cond�it Constraints i �
----- -=---------- ---� �
Min Vel ;Max Vel Min Slope Max S1ope�Min Cover� i
�'1_00 ft/s ;15.OQ ft/s 0.20% �SQ 00% �3.00 tf �
i
;Drop across MH 0.0000 ft �Ex/infil Rate �0.�000 in/hr�
- ------�
_�_ _:
---------___ -- -_ ___ - -- ------ :
;Up Invert 99.6750 ft ;Dn Invert ;I00.0000 ft ;
Match inverts. i
=----------------- - --- - �
Record Id: p27
__-------- ------------ — �
�Section Shape: Circular ;
�Uniform Flow Method: ;Manning's iCcefficient: 0.0130
'Routing Method: ';Travel Time Translation �Contributing Hyd ;
�DnNode cb24 �UpNode �27 '
-------- __-------— -----
Material Conc-Spun ;Size 12" Diam
; _-- -----__ ----------- ---------- -
�Ent Losses Groove End w/Headwall ;
____-----__------- - _-- — ------ -•--- --,.
!Length 42.0000 ft �Slope ;0.50% '
- _--- -- ---_ - -------- -- - --- r-------
Up Invert i00.0000 ft (Dn Invert ;99_7900 ft '
_- - - ___ ---- -------- -- ------------- -------:
__ __._ ---- -- - -----�
Conduit Constraints �
;.___----- - -------------- � ;
Min Ve1 Max Vel .Min Slope{Max Slope�Min Cover� t
:t 00 ft/s _1�_00 flJs;0.20% �50.00%_ �3.OQ ft � �
!Drop across MH 0.0000 ft �Ex/Infii Rate ;0.0000 in/hr�
;Up lnvert ;99.7900 ft 'Dn Invert I00.0000 ft '
�--------______---------
;Match inverts.
Record ld: p28
_ __..__�
-�'� �Section Shape: C�rcular
) _ _ __ _---- - -__ - -- -- -- - —•r-- � - - --,
Uniform Flow Method: Manning's !Coefficient: i0.0130
_ -- -------- --_ _ _-_ ________ _- - ---- ----------------� _�
'Routing Method: Travel Time Transtatlon ;Contributing Hyd: �
_--------__-------- _ _--------------- ---
:DnNode cb27 ;UpNode cb28 �
�Materiai `Conc-Spun �Size l2" Diam '
:------ --- ------ , �
;Ent Losses :Groove End w/Headwall
:Length �31.0000 ft ;Slope 1330% �
�Up Invert 'IQ0.0400 ft �Dn Invert 95.8770 ft �
------- ------'------------ 4
� Conduit Constraints ' `
� k
'I------ -r -- ��----- E �
`;Min Ve1;Max Vel �Min Slope;Max Slope�Min Cover'J
�i 1.00 ft/s rl 5.0(} fUs;0.20% ;50.00% R3.40 ft C '
. — �
�Drop across MH ;0_0000 ft �Ex/Infil Rate �0.0000 in/hr r
�------__-_-- --r------- i
;Up Invert 95.8770 ft fDn Invert 1Q0.0000 ft I
'Match inverts. �
�
Record Id: p29
-- ------- ----- - ----- —�
_ :Section Shape= CircuIar '
Uniform Flow Method: 'Manning's �Ccefficient: ;0.0130 '
Routing Method: Travel Time Translation �Con�tributing Hyd ; '
------------ ---— ----- —r- r- �
DnNode cb27 iUpNode Ecb29 ;
r---- -- ?
_ Material m Conc-Spun jSize �12" Diam ;
-- --- ----------- — i
'Ent Losses Groove End w/Headwall
I� Length- -- ',89.00OQ ft iSl �4.92°�0 �
',Up Invert �100.000Q ft IDn Invert �95.6212 ft I
---------- — i
Condait Constraints �
i
Min Vel ',Max Vel iMin Slope IMax Slope�Min Cover� �
�II' ; :
_ -------�-_- - ---�------:-- � ;
':'1.00 ft/s ;I SAO fUs;0.20% i50.00% j3.00 ft �
Drop across MI� 0.0000 ft �E fil Rate �0.0000 in/hr`
' - -------------- -------- --__-------- --------� :
'Up Invert '95.6212 ft �n Invert II00.0000 ft �:
_ _- -. __--__ ____
I��latch inverts_ �
Record Id: p3
-------- --- ----t
--"'� ;Section Shape: 'Circular �
:Uniform Flo�v Method: �Manning's ;Coefficient:. 0.0130
� ':Routing Method: 'Travel Time Translation 'Contributing Hyd � r
:-- -- _
r
'DnNode icb22 �UpNode �cb24 '
'- ---- -- -- - `
;Material �Conc-Spun �Size 15" Diam 4
;Ent Losses :Groove End w/Headwall �
• __. _ _. _ _ . _.. ;
lLength 199.0000 ft �lope 1 J7% `
---------- -- ------ _
;Up Invert 'i00.0000 ft �Dn Invert �96.4 f;
------------------- -------------- i
--___----------------- ------------ - __ ---------; !
Conduit Constraints �
, F
' --- _.._ _. . :--- _._ _.__ ___ -- -_---- _ ---..__ _ -_ --=-----� �
Min Ve1 Max WeE Min Slope;Max Slope�Min Cover(
--- --------- ---- ---------__- -------� :
'1.00 ft/s 15.00 fUs i0.20% :50.00% i3_04 ft f
Drop across MH 0.0000 ft !Ex/Infil Rate �0.0000 in/hr' i
;Up Invert 96.4777 ft �Dn Invert �100.0000 ft �
�Match inverts.
Record Id: p32
.--, ,
� ----- - _-- _ .__ �_- -— —-------; '�,
�Section Shape Circular ; ;
Uniform Flow Method: `Manning's .jCoefficient: i0.0 31 0 ,
'.Routing Method: :TraveI Time Translation�Contributing Hyd� '
=DnNode cb29 �UpNode icb32
`Material ,Conc-Spun S�� j 12" Diam
----------------------- ------------...---------- -- -----
'Ent Losses Groove End w/Headwall
,.--______ -__._.._ _.. .. -------------- ._ _. --- —----- --r-------;
Length 31.0000 ft ;Slope !6.18°Io
__ _-
'Up Invert IOQ.0000 ft !Dn Invert �98A842 ft
--- _- - --_ ___ ----------------------- ` ,
- -----
_ _- - — ---------- --------- � ,
Conduit Constraints �
' ------ --- - ___ --- -- ----- `
_ r- ;- --
�:Min Vel `Max Vel �Min Slope!Max Slope,1�1in Cover�
----- -- : ---�
- --- ,
''1.00 fUs l�_00 fUs;0.20% i50.00% 3.00 ft ;
-------------------_ .--------- __-------- ---------�----
`Drop across MH "0_0000 ft !Ex/Infil Rate 10_0000 in/hr'
�---- -- ----_ _-- -- ---�__ _______ _ -- ---:--- --- ----
;Up Invert 98_0842 ft �Dn Invert `100_0000 ft
_.__--__- ---_------
`Match inverts_
Record Id: p33
_ _ _. .__ . _._ ___ �
�Sec no�Shape ;Circular i
'Uniform Flow Method: Manning's �Coefficient: ;0.0130 .
`Routing Method: ,Travei Time Translation ?Contribnting Hyd�
�--
'DnNode �cb29 ;UpNode ;cb33
`Material :Conc-Spun ;Size ,12" Diam
;Ent I_osses Groove End w/Head�vall
---- -- --- -- ----r ----
fLength `152.Q000 ft ;Slope !0.50% ,
.----- --_- --- ------ --- __-- -- -------- � �
;Up Invert 100.0000 ft ;Dn Invert ;99 2400 ft '
'' - Conduit Constraints
---�------;— - ---- � ;
�;Min Vel;Max Vel �Min Slope IMax Slope jMin Cover� �
: i
�;1.00 fUs ;I 5.00 fVs 020% 50.00% !3.00 ft ' �
-- I--�: � i ,
_ _ _ _ _ :
iDrop across MH :0_0000 ft �Ex/Infil Rate �0.0000 in/hr� �
-- — �— r— �
;Up Invert 99.2400 ft �Dn Invert j100_0000 ft j I
;Match inverts.
Record Id: 34 II'�
P �
-- ------- -__ _ -- --- -------- ----- __ ___
Section Shape: Circular
-- _ -- ___ __. ___-- - --- ------ --- - ----- _. - - ---- ----- --------:
�Uniform Flow Method= Manning's �Coefficient: ;0.0130
sRouting Method: ;Trave!Time Translation ';Contributing Hyd;
-- -----___-------. _--- �
;DnNode 'cb33 ;UpNode jcb34
- ----- - �
�Material Co�c-Spun �Size j12" Diam
;Ent Losses `:Groove End w/Headwall
' ----------------- -------- ---- -r---
;Length '66_0000 ft ;Slope �I.OS°Io
------_____ -- ---------- - - �
;Up Invert ;1Q0.0000 ft �Dn Invert (99.2872 ft :
i r=----____--__--_-_____-- --_____--; ---
:� Conduit Constraints �
�Min Vel Max Vel Min Slope Max S}ope;Min Coverl
;;1.00 fUs ;15.00 fds�0.20% �0.00% 3.00 ft i �
—�---
iDrop across MH 0.0000 ft �Ex/Infit Rate �0.0000 in/hr
;Up Invert 99.2872 ft `:Dn Invert '100.0000 ft '
-- - -- - _ - ---- ___ _ ___
1�latch inverts_
Record Id: p35
�
. :iSection Shape: 'Circular �
�
Uniforr� Flow Method: Manning's ;Coefficient: �0.0130 . �
;Routing Method: Travel Time Translation�Contnbuting Hyd j
�--- — — --,
�DnNode ;cb34 UpNode ;cb35 �
�--- . �
�Material ;Conc-Spun lSize !12" Diam ; �
----- _ _ _ _ _ ,
;Ent Losses `Groove End w/Headwall � '
�-----
;Length '30.0000 ft ;Sl e ;1_33% �
f
;Up Invert '100.0000 fi �I vert i99.6010 ft ' �
-----:-------Conduit Constraints --- - -- -+ � �
---�--------; ;
�Min Vel �Max Vel ';Min Slope;Max Slope'Min Cover, ; I'�
1_00 ft/s ''I5.00 ft/s;0.20% ;SO.QO% i3.00 ft �
_—— — _-- � I�
;Drop across MH 0.0000 ft ;Ex/Infil Rate �0.0000 in/hr:
-------- ------------------ -— --�---_— �
;Up Invert 99.6010 ft ;Dn Invert '100.00fl0 ft
'Ma[ch inverts.
I
Record Id: p36 'li
-- - — ,
;Section Shape: �Circular 1,
' � ,
�Uniform Flow Method: �Manning's �Coefficient: �OI30
�Routing Method: iTravel Time Translation iContributing Hyd;
�DnNode ;cb34 �UpNode �cb36 '
_ i
IMaterial �Conc-Spun ;Size 112" Diam
�Ent Losses :Groove End w/Head�vall
;Length I69.0000 ft ;Slope `7.Q4%
----- -----------—------ ------— --�
;Up Invert 100.0000 ft ;Dn Invert i95.1424 ft '
__ _------ ------ ---- ----------------_-----;
Conduit Constraints �
'�----- -----------------------------.-- �
iMin Vel ;Max Ve! Min Slope;Max Slope'Min Cover�
�:1_00 fUs i 15_00 fUs ;020% �50.00% ':3.00 ft ;
!Drop across MH O.00OQ ft FEx/Infil Rate �O.00QO in/hr'�
�Up Invert '95_1424 ft !Dn Invert ;i00.0000 fE ;
+Match inverts.
Record Id: p37
_ .___---�__..__,______. ._
{Section Shape: 'Circular � '
�--------- -- ;
iLTniform Flow Method: :Manning's ��Coefficient: �0.0130
!Routing Method: .Travel Time Translation �Con b g Hyd ��
_____--__-- - --- -- - ---------------
-------- --�--- :
`DnNode cb33 'UpNode ;cb37 ' ,
iMaterial___ ___________ ,Conc_Spun _fSize �12" Diam � �I
€Ent Losses ':Groove End w/Headwall '
�----;
';Length !106.0000 ft �Slope ;0_50%
------------__---- ------- --; --!- �,
iUp Invert 100.0000 ft ,Dn Invert 99.4700 ft ;,
---- - - -
(-_"—=___----_-- _ `: - .
Conduit Constraints `
�'Min Ve! !Max Vel 'Min Slope�Max S1ope;Min Cover� '
-r------,
;�1.00 fUs ;15.40 fUs±0.20% �50.00% (3.00 ft �
''---' < :
_ __ . _
�Drop across MH ;0.0000 ft IEx/Infil Rate �0.0000 in/hr; I
-------- -- ---- _ _ _
'Up Invert �99.4700 ft Dn Invert 100.0000 ft :�
�Match inverts_ � �'�
;
Record Id: p38
_ _________---- ------ ------- -------�
'Sectian Shape_ .Circular (
'Uniform Flow Method: �Manning's jCoefficient: (0_0130
;Routing Method: �Travel Time Translation�Contributing Hyd ;
,�---------- ----, -- _- :
DnNode ';cb37 EUpNode icb38
--------------------- -;
`Material Canc-Spun ;Size �12" Diam -
' ;Ent Losses J 'Groove End w/Headwall
�Length --- �31.0000 ft �Slo�pe OSO%
�Up Invert '10(}.(}000 ft ;Dn Invert 99_8450 ft �
� .
----- - -�
�--------- --
i� Conduit Constraints
;
;!Min Vel :Max Vel ;Min Slope�Max Slope�Min Cover ;
i:1.00 ft/s 15.00 fVs j0.20% 50.00% r3.00 ft �
__ _--------- - �
----------._------ - — = —
'Drop across MH �0.0000 ft iEx/Infil Rate 0.0000 in/hr'
`Up Invert 99.8450 ft �Dn Invert 100.0000 ft ;
---__------------
;Match inverts_
Record Id: p4
r----- ---- ;
'�" ;Section Shape: 'Circular
-- -- �
jUniform Flow Method: Manning's �Coefficient: �0.0130 ;
iRouting Method: Travel Time Translation ;Contributing Hyd� ;
�----------__ ;
;DnNode cb3 iUpNode �cb4 �
'sMat� erial Conc-Spun Size 12" Diam
�Ent Losses �Groove End w/Headwall i
� _ _ - -i
;Length 119.0000 ft �Slope 17.b0%
�Up Invert '100.0000 ft Dn Invert 79A560 ft ;
_ _ ._ __ _ _
— _ � ,
Conduit Constraints � �
`;Min Vel;Max Vel ;Min Slope iMax Slope�Min Cover':� � '
— -� �
��I.00 ft/s :15.04 ftls'0.20%---i50.00%---�3.00 ft ! ' I,
Drop across MH _ '0.0000`ft ___ _ _ ,Ex/Infil Rate ;0.0000 in/hr I
Up Invert 79A�60 ft �Dn Invert ;100.0000 ft : I
�:Match inverts.
-.-----------------------=--=--- - - - - I
Record Id: p44
Section Shape= Circular �
'Uniform Flow Method: Manning's �Coefficient: 0_0130
�Routing Method: =Travel Time Translation Contributing Hyd�- �
:DnNode 'cb47 ` UpNode ;cb44
;Material :Conc-Spun Size j12" Diam
'Ent Losses Groove End w/HeadwalI
�---'
`Len th � .67.00OOft ,SIo e '1Q06%
� P I
I -________ _____._.__..._______._. _'_.__--.._--_______.'_- __.f"-__-__.___.__-_.____�__ ::
;Up ln�ert 100.0000 ft ';Dn Invert �932598 ft
-- - --- -- . _- --- --- - _:
Conduit Constrainls `
: ;
__ _
Min Vel Max Ve1 Min Slope iMax Slope jMin Cover;
-- -------- ---------, ---- -----�
' 1.00 ftJs I�.00 fi/s;0.20% �50.00% j3.00 ft
;Drop across MH� 4.0000 ft rEx/Infil Rate !0.0000 in/hr;
Up Im�ert 93.2598 ft �Dn Imrert '100.0000 ft �
I, __ _----------------- --- .
I 'Match inverts.
Record Id: p45
��
- ---- ------- __ _----— -.
'T� ;Section Shape: Circular
iUniform Flow Method: �Manning's jCoeffiGient: l0.0130 '
iRouting Methad: :Travel Time Translation �Contributing Hyd;
---------- --�--------- =----- �
;DnNode cb47 ;UpNode ,cb4S ;
- --- ------------ �
;Matenal iConc-Spun ;Size �12" Diam
Ent Losses ---_-------------- ----------------------
' ' ` 'Groove End w/Head�vall
'---------------------------- -------- �
r -
'Length 112.0000 ft ;Slope �0.50%
---- -------- ----------_ ___--- ------- -- - -------
;Up Invert 100.0000 ft ;Dn Invert ;99.4400 ft :
�; Conduit Constraints j ; .
;:Min Vel ;Max Vel ;Slope;Max Slope iMin Cover�
`� .00 ft/s j15_00 fUs;O. 02% j50.00% ;3.00 ft � "
';Drop across MH ;0.0000 ft :�Ex/Infil Rate ;0.0000 in/hr:
;Up Invert :99.4400 ft ;Dn Invert j100.0000 ft �
;�9atch inverts. �
Record Id: p46
� ,
Section Shape: Circular
-------------- -------------- -_ . . __ - -------------�-
Uniform Flow Method: 'Manning's Coefficient: ;0_Qt30
------------ ------------ _ - _ __ _ _-----—--- ._
Rou[ing Melhod: Travel Time Translation Contributing Hyd ;
_------ _ _- --- -----—-------- --- ------------- ------
'DnNode cb45 ;UpNode ;cb46
':Mater�al IConc-Spun ;Size ;12" Diam
:Ent Losses 'Groove End w/Headwall
'Length '30.0000 ft 'Slope i8.90%
�-----
Up Invert 100.0000 ft �Dn Invert �97.3300 ft �
---- --- ------------------------- -�
Conduit Constraints
�
_____ _'_--r____-.-__� __ _- -i
';Min Vel �Max Vel ;Min S1opeEMax Slope;Min Coverl
�i 1.00 ftls ;i 5_00 fUs 0_20% �50.00% '•:3.00 ft i
;Drop across MH ':0.0000 ft !Ex/Infil Rate �.0000 in/hr;
'llp Invert ;97.33(}0 ft jDn Invert 100.Q000 ft �
'Match inveits. '
Kecord Id: p47
' iSection Shape: -Circular �
�Uniform F7o�v Me[hod:-Manning's ;Co fe f c.i ient: �0.0130
�Routing Method: Travel Time Translation �Contributing Hyd :"
;DnNode--- ------------- cb37---- -------^�UpNocie b47 :
=---- -�
�Material Conc-Spun �Size j12" Diam ;
,En�Losses Groove End wlHeadwall �
iLength �107.0000 ft Slope �0.5%
• ---- _ - - --_ _----------
;Up Invert 100.0000 ft �Dn Invert �99_4650 ft `
�: � Conduit Constraints
,�
�iMin Vel !Max Vel �Min Slope jMa Slox pe Min Cover
;
�'1.00 ft/s :15.00 ft/s '0:20% 4�0.00% ,3.00�
-- ----------- —�
�Drop across MH 0.0000 ft IEx/Infil Rate !0.0000 inlhr
�Up Invert '99.4650 ft ;Dn Invert ,I40_�0000 ft
'Match inverts-------
Record Id: p�
;Section Shape: Circular '
i
'Uniform Flow Method: :Manning's Ccefficient: �0.0 31 0
;Routing Method 'Travel Ti►ne Translation Contributing Hyd�
�DnNode 'cb4 UpNode cb5
�Material :Conc-Spun �Size �12" Diam
jEni Losses '�Groove End w/Headwall
�ngth 31_0000 ft �Slope 0.50% �
'Up lnvert 100.0000 ft �Dn Invert 99.8450 fi '
- -- --- --- - - -------
--
-- _ --- -- - - �
Condwt Constraints
--- -- - �_ — � - -- -
'Min Vel 'I�4ax VeI Min Slope'Max S1ope;Min Cover;
_ __ -------- - -- ----- ----- ---� '
`1.00 ft/s I�.00 ft/s'�0.20�0 ;50.00% i3.00 ft �
_ ___ _ _ ------- --- ---- ------- ----- —------ _
`Drop across MH ;0.0000 ft �Ex/Infil Rate ;0.0000 in/hr
- ----- --___._. _----- ------------ ---------- -- '
;Up Inven i99.8450 ft �Dn Invert ;100 0000 ft
�Match inverts. i
ii����r�i i�: ���
r------------- ,—: _ _
iSection Shape: ;Circular �
�
;Uniform Flow Method: Manning's Coefficient: j0.0130
-- ----- _. __ _ _. _
�Routing Method: Travel Time Translation,Contribuiing Hyd ; f
i
.______.'____-__."_._....___'__.__'_--___-_____--_ __�___ � ___ ;
'DnNode ;cb4 iUpNode �cb7
;__----- __ ___-------'--- -- -�- — ;
�.Material ;Conc-Spun !Size �12" Diam
:Ent Losses Groove End w/Headwall
;---- -----------_---------------- ---- —�-- --— '
;Length 85.0000 ft ;Slope (1 I.36%
--------------------- ----:
;Up Invert 100.0000 ft Dn Invert ,90 3440 ft �
;--- ----_------------------ ---- ;
,---- ---
_ _ _ �
; Conduit Constraints
;;M�n Vel :Max Vel `Min Slope�Max Slope�Min Cover�
,
--�-----; --;
:1.00 ftls ;15.00 f[/s;0_20% j50.00% ;3.00 ft ;
-�--
:Drop across MH ;O.Q000 ft iEx/Infi�l Rate (0.0000 in/hr !
iUp Invert �90.3440 ft �Dn Invert �100.0000 ft ': 'i
'Match inverts_
Record Id: p8 I�,
- _ __-_---------- --- ------------------�
Section Shape_ Circular i
_ _ - - --- - ---------------- •
:Uniform Flow Method: 'Manning's �Coefficient: �0.4130
------ ---------------------- ----—--. --- ;----- -�
'Routing Method: 'Trave)Time Translat2on !Contnbuting Hyd i
; :
----- ----_____.------------------; --- �
`DnNode cb7 �UpNode [cb8
-----__-------------_-- ---- � ----
'Material Conc-Spun ,Size i12" Diam
_ ___ _____ _ _ -- ------ ----------------- ----- -
Ent Losses 'Groove End w/HeadwaIl
_.__ - ___ _ _ ---- ------------------� — ---------;
!Length '31 AOQO ft ;Slope �0.50°Io
-__-------___ ------- --------------------- �----'
!Up Invert 100.0000 ft jDn Invert !99.8450 ft ;
-- ---—- ---- ------- . ---- --- --
- --- - --------- ------- ----- I
;' Conduit Constraints
.._ ---- ----- --------------- .
Min Vel Max Vel :Min Slope�Max Slope�Ibtin Cover
':1.00 fUs :IS_00 ftls�0.20% j50_00% ,3_Q(�f
�
---------------- �
--__---------..-- ----- --- �
;Drop across MH 0_0000 ft �Ex/Infil Rate �0.0000 in/hr;
,..__-- - ------------�--- ----------- :
jUp Invert 99.8450 ft Dn Invert ,100.0000 ft ;
`Match inverts.
Record Id: p9
;Section Shape: - ------':Circular ------�
-_i-_
�Uniform Flow Method: Manning's ;Coefficient: j0.0130
;Routing Nlethod: 'Travel Time Translation ;Contributing Hyd j
r-- -
jDnNode 'cb7 f UpNode ;cb9
jMaterial Conc-Spun Size �12" Diam
- !.En L sses Groove End w/Headwall
,
�Length �72.0000 ft jSlope ----'9 f%
�p Invert 100.0000 ft Dn Invert 93_0880 ft
4� Conduit Constraints �
�Min Vel �Max Vel �Min Slope�Max Slope Min Cover�
+�1.00 fUs '15.00 ft/s I0.20 o°I 50.00�% 3.00 ft ;
;
;Drop across MH :0.0000 ft �Ex/Infil Rate i0 in/hr
:---------------__---- --------- ------ -----�--------- —r— --
tUp Invert 93.0880 ft ':Dn Invert `100.0000 ft
iMatch inverts.
'Vudt� ltcc�►r�ls
[Z��ci�rcl Id: ci�lU
---- - --
- --- _ -
jDescrip: ;Prototype Record Increment �0_10 ft .
iSta EI. ;100.0000 ft Max El_ j 108.0000 ft
jClassification�Manhole 'Structure Type �CB-TYPE 1-48 '
�
�Ent Ke jGroove End wlHeadwall (ke=0.20);Channelization}Curved or Deflector i
jCatch �1_5000 ft ;Bottom Area j 19.6350 sf �
Condition 'Existing i
' - ------- ----- -----�
--- - ------ --_. -------------
Record Id: cbll
--- - ----- --- -------------- ----- -- -------------
�Descrip: iProto[ype Record Increment ;0.10 ft ;
�--__ _------ ;----- ------ ---- �-------
�
'Start El. 100.0000 ft Max El. �108.0000 ft
, : �
----..---__ ----;------------- --------------�----------------_�i
;Classification �Manhole Structure Type �CB-TYPE 1-48 ;
.-- ---- ------ ------ ------ ----;
�Ent Ke 'Groove End w/Headwall (ke=0.20}:Channelization �Curved or Deflector;
---- _ _ - -- ---------------------------- -- � -----;--- ---- -�
';Catch I.5(}00 ft Bottom Area '19.6350 sf
�Condition ;Existing ;
Record Id: cb12
r — -- -------- r— __ �
;Descrip: �Prototype Record ;Increment �0.10 ft
'Start El —r100.0000 ft _ �Max EI_ �108.0000 ft
_ _ _ _ . _ I
iClassifica[ion 'Manhole ;Structure Type CB-TYPE 1-48
,
,_--------- '------------------------ --- �
'Ent Ke �Groove End w/Headwal l (ke=020) Channelization ICurved or Deflector�
_ __ __ --_ ------ --__ _ _ _ _— ---,--- ----- ----i
Catch 1 5000 ft �Bottom Area �19.6350 sf �y
`.Condition 'Exist�ng i
Record Id: cb13 '
------------------------ �
'Descrip: fPrototype Record ':Increment �0.10 ft
__ . ��
Start El. �100.0000 ft iMax El. ;108.0000 ft '
Classification;Manhole :Structure Type ;CB-TYPE 1-48 -
Ent 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: cb14
------ -- .----------------------- -------------- �
Descrip: :Prototype Record Increment ;0.10 ft _�
_-------------------- ------ —-- --
,Start El. �100.0000 ft sMax El. ;1 80 0000 ft
------------- ------------- -- I
Classification :Manhole ;Structure Type iCB-TYPE 1-48 '
'Ent Ke `=.Groove End w/Headwall {ke=020) ;Channelization �Curved or Deflector!
Catch s 1.5000 ft � Bottom Area i 19.6350 sf
------------—_----------- —
Condition ;Existing
Kecord Id: cb15
_ _ ------------------------ -
!llescrip: ;Prototype Record ;Increment 0.10 fi
:Start EI. ;10(}.0000 ft �Max EI. 108.0000 ft
'Classifrcation �Manhole ' 'Structure Type iCB-TYPE 1-48 �
—._ _-- •----- ------_--- ---------- ----- _ .
l:r�t Ke Groo�e End �v/I-Ieadwall (ke=020)'Channelization !C��rved or Deflectorj
- Catch 1.SU00 ft Bottom Area '.19_63�0 sI
� --- -- _---------------- -------------' ` ;
l�'�,n�ii!i�,r� F�ti�(in��
Ilecord Id: cb!(►
- ----- — ---- -_ __ _
- - -
Descrip: iPrototype Record Incremen[ i0_10 ft ;
'------- - - --- __ . ,
;Start El 't Q0.0000 ft �Max El. �10 0 0 ft _ '
� __ __ . , _ i
iClassification �Manhole ;Structure Type ICB-TYPE 1-48
,
------------� — - _ __ �
�,Ent Ke :Groove End w/Headwall (ke=020);Channelization ECurved or Deflector�
--------------- — ..
iCatch 1.5000 ft :Bottom Area I19.6350 sf i
�Condition 'Existin<� ---- — i
Record Id: cb 17
_ _ __ - -- ------__-- ------- -- ______.
Descrip: Prototype Record Increment :0.10 ft ,
__ _._ _ ----- ____----___ ___-------- ---- -------------
Start EI_ 100.0000 ft Max El. 108.0000 ft
--___ __ __ _ _-- ------ _ . ___------ ----- -----------_
=- Classification Manhote '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
�Condition ___ Existing ----------------
l:ict�► �I iil: t111''
� ------— --,- - -- _ --__ _
�Descrip: ;Prototype Record ;Inerement �0.10 ft
;Start EL ;IOO.00OQ ft ;Max EL j 108.0000 ft
------------__..------------------ -
�Classification;Manhole �Structure Type �CB-TYPE 1-48 I
Ent Ke Groove End w/Headwatl (ke=0.20);Channelization jCurved or Deflector
-- _ _ ___--------- -- —
Catch L�000 ft Bottom Area ;19.6350 sf i
= -- _ _ _ _ ____ __ - - �
�Condiiion Exisliria �
� �
Record Id: cb19
- - --- _--_ _ - - - ---
. ------- -- -- --
;Descrip: 'Prototype Record Increment ;0.10 ft �
�Start El.---- --`I00.0000 ft -------------`—'Max El. ;108.0000 ft '
I
- - - ---- -- ___ _ _------- --------- ------ �-- ---�
"� ;Classification ;Manhole •Structure Type ;CB-TYPE 1-48
En[ Ke ;Groove End w/I-Ieadwall (ke=0.20);Channelization;Curved or Deflector�
, _ _ _
�Catch ;1.5000 ft ;Bottom Area �19.6350 sf
i
�ondition ^�Existing ;
' ---_ - - ----------- -
- --- — ---- ------ -----�
Record Id: cb2
�---- --------�-
;Descrip: ;Prututype Ilewrei Incren�en[ �U.1(1 t�t
�Start El. '100.0000 ft ;Max El. i I08.0000 ft
�Classification iManhole `Structure Type CB-TYPE 1-48
------ --------- -- --�— -
;Ent Ke ;Groove End w/I--leadwall (ke=0.20) �Channelization jCurved or Deflector
`Catch ;1_5000 ft Bottom Area �19.6350 sf
'('�nditi�n rExis[ina
Ilcc��rd Id: cb?Il
� � iDescrip: ;Prututype Recorcl :lncre�uent �O.lU Lt
'Start El. !100.0000 ft ;Max EL 108.0000 ft
r�.___----�-___-- ' _. __.
Classification ;Manhole ;Structure Type CB-TYPE 1-48
�—
Ent Ke �Groove End w/Headwall (ke=0.20}�Channelization jCurved or Deflector!
�Catch �1.5000 ft 'Bottom Area I19.6350 sf
;-_------------ -----------------
Condi[ion !Exis[ing '�
Kecord Id: cb21
_-- -- -----;--
;Descrip: ,Prototype Record 1Incre�nent j0.10 ft �
'Start El. ,100.0000 ft `Max El_ �108 f0000
`Classification ;Manhole ;Structure Type ICB-TYPE 1-48
'Ent Ke �Groove End �v/HeadwaIl (ke=0.20);Channelization�Curved or Deflector'
�Catch 1.5000 ft 'Bottom Area 19.6350 sf '
--------�-- -- -
�C'��nditi��n 'Ecistin<� :
IZt�c�►rtl [�1: ch"
------ _ _ ___ ._ _ - ------ -____ ___ --- --- --_ ---- --
,Descrip: Prototype Record Increment �0.10 ft -�
-__________ - ----- -------------- ------------ -----
. . ;Start EL 100.0000 ft Max EI. ;108_0000 ft
__-------- __ -_-- ----__----------- — �- _—.:
`Classifjcation ;Manhole 'Struct�re Type GCB-TYPE 1-48 ;
,---------______ _---- -- ---;
�Ent Ke =Groove End w/Headwall (ke=0.20);Channelization ICurved or Deflector;
�
�Catch 'L�000 ft Battom Area t I9_b sf �
�-----;-- ----- --
'Condition °Existing
Record Id: cb23 I�
--------------- --- � I
;Descrip: �Prototype Record �Increment j0.10 fi I
;Start El. �IQ0.000O 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 or Deflector
• ----_�-- -------- ----------
•Catch '1.5000 ft Bottom Area r 19.6350 s� I.
-----_____ --_-- __ ___--- ------- ----- �
`Condition ExistinQ �
Record Id: cb24
'Descrip_ iPrototype Record Increment �0_10 ft �
-_--- --�___---------------- - - —
!Start EL '100_0000 ft Max El. `I08.0000 ft
,
Classification :Manhole ___ Structure Type �CB-TYPE 1-48 _�
�Ent Ke Groove End w/Headwall (ke=0 �0) Channelizatian:�Curved orDeflector�
�Catch �i1.5000 ft ;Bottom Area (19.63�0 sf ;
:-- --' —
'Condition `Existing �
Record Id: cb27
- -- --- ---- ---- �
'Descrip Prototype Record _ _ __ Increment �0.10 ft
- --- ___ _ _____ _---- -----
Start EL `100.0000 ft 'Max El. ;108.0000 ft �
_ ----- ---- _—------------ --__---_ -- -------------- ---------�
'Classification':Manhole Structure Type ;CB-TYPE 1-48 (
---__---__-----�--- ---_�..--------------- — �
'Ent Ke ;Groove End w/Headwall (ke=4_20) :Channelizatian,Curved ar Deflector i
------- _ ---.._:.--- ___-----_----------------------- -- -- - �
'Catch �1_5000 ft `Bottom Area `19.6350 sf ;
____ _ ___ .__ __ _ _ ___--- ____--------. ._____ ,
C:ondlt�on Existing ' �
_--- _ _ __ ____ - . ------_ _____ ---__- ------- --------�
- Record Id: cb28
_ � - - - -- -- -- ----- ---------- _ ,
;Descrip: �Prototype Record .Increment i0.10 ft �
Start EI_ �100.0000 ft �Max El. 108_0000 ft �
. _ -. �
:Classification Manhole :Structure Type ,CB-TYPE 1-48 !
-- -- — --: _ _ __ _ ___ _ ;
�Ent Ke Groove End w/Headwall (ke=0_20):Channelization(Curved or Deflector�
�— '-------------------=-- . �
�Catch i 1.5000 ft Bottom Area (19.6350 sf
�Condi[io►� 'Existing
Record Id: cb29
:-- ----------------------------- ----------- --,------ �
�Descrip: �Prototype Record lncrement �0.10 ft i
---- ---;--------- ----------- --
—i
;Start EL �100.0000 ft Max EI. j 108.0000 ft �
------ -�--_--------------------------------- -- — I
�Classification ;Manhole _ _ __ Structure Type �CB TYPE 1-48 '
'Ent Ke �Groove End w/Headwall (ke=020) Channelization�C d or Def7ectorl
'Catch__ ;1.5000 ft _�_____ Bottom Area �19.6350 sf �
;Condition ;Existing-- J-------------------- �
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 `
- --- - - - - - . -_ __- - ------ --�
Ent Ke _ _ _ �Groove End_w/Headwall (ke_0_20) Channelization jCurved or Deflector�
:Catch '1.5000 ft :Bottom Area �19.6350 sf �
':Condition ----'Existing `----^--------------- �
�
Record Id: cb32
;Descrip �Prototype Record Increment 0.10 ft �
�Start EI. ;100_0000 ft ' 'Max El. !108.0000 ft
�Classification�Manhole ^ 'Structure Type ICB TYPE 1-48 �
'Ent Ke _;Groove_End wlHeadwall (ke=020)'Channelization�Curved or Deflector'
iCatch 'L5000 ft I3ottom Area ;19.6350 sf (
-- - -- - ___ _ __ -- _-----=-- -- -----�
___----------r ------ j
" iCondition ;Existing !
,
Record Id: cb33
---------- ---- ------------------ ---- - - - --- -- - ---:
;Descrip_ Prototype Record ;Incremeni ;0_10 ft �
`:Start El. :100.0000 ft sMax El_ ;108.00()0 ft �
`Classification EManhole ;Strocture Type �CB-TYPE 1-48 `
rEnt 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: cb34
------------------ — — --_ --�- - ;
:Descrip: ;Prototype Record '•Increment �0.10 ft i
:Start EI-------'r100.0000 ft ------ Max El. ------ :108.0000 ft ;
------------ --- ----- - - --�--- ;
Classification 'Manhole Structure Type :CB-TYPE 1-48
____ __- ---- ------------------------- ---— — �-- ,
- - � Ent Ke Groove End wlHeadwail (ke=0 20);Channelization ;Curved or Deflector;
____._--- ------------------ ------_—.— ----�-------- --�
Catch :1.5000 ft iBottom Area !19.6350 sf ;
__ ---__-------=----- ---- . ;
;Condition �Existing �
� Record Id: cb35
------------;--- -- —; 1
�
;Descnp: iPrototype Record �Increment ;0_10 ft
Start El. `IOU.0000 ft `Max El. :108.0000 ft �
`:Classification ;Manhole ;Structure Type ;CB-TYPE 1-48
�Ent Ke '�Groove End w/Headwall (ke=020);Channelization iCurved or DeFlector
'Catch �1.5000 ft ;Bottom Area �1 369 50 sf
-- -----� — __ �
Condition 'Existing
Record Id: cb36
_ _ _ __ ___ - --___ ___ -_ _ - ------ --
Descrip: Prototype Record :Increment 0.10 ft
__ _ __ __.-- —-- -----�
Start El 100.0000 ft 'Max El. '108.0000 ft ;
—,---- - -{
Classificat�on �Ivlanhole v `Structure Type �CB-TYPE I-48 i
�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: cb37
;------------:--- _ .
:Descrip_ 'Prototype Record Increment j0.10 ft
'Start El. �100.0000 ft ;Max El. ;108.0000 ft
---- --- _---- ---- —' - !
;Classification Manhole Structure Type ;CB-TYPE i-48
__ ----- --- ^----------- ---- --
Ent Ke Groove End w/Headwal[ (ke=0 20) 'Channelization!Curved or Deflector
Catch `L�000 ft 'Qottom Area ;19_6350 sf I i,
- __------ --- --
i
Condition Existing i
__ _ _ _ ____ --- ---- ---- ----- ----------- � '
Kecnrd Id: cb38 ��,
_ _ ____- - ____- - ------- – --- – --- :
Descrip: Prototype Record Increment ;0.1� ft i
!Start El_ '100.0000 ft IMax EI. 108.0000 ft
; :
------ � �
Classification �Manhole �Structure Type �CB-�TYPE 1-48
Ent Ke 'Groove End w/Head�vall (ke=0_20} Channelization jCurved ar Deflector�
----------=---- --
Catch :1.5000 ft 'Bottom Area �19_6350 sf
Condition 'Existing
Record Id: cb4
_ _-- --- ---- ------- -- — - — - ---;
Descrip Prototype Record Increment i0_10 ft '
_ -- ---- _ . ___ --- ----------- ----- ----- -------- --C
Start El. '100.0000 ft `Max El. j 108_0000 ft �
_----------�-----___--- - --- ----�
Classification 'Manhole Structure Type �CB-TYPE 1-48: �
!Ent Ke ;Groove End wlHeadwall {ke�.2Q) Channelization �Curved or Deflector�
iCatch :1.5000 ft ;Bottom Area '19.635Q sf
-- —�— ---
'Condition �Existing
Record Id: cb44
--------------------- — E
Descrip: �Prototype Record �Increment a0.10 ft !
�
_ _ _ ___ .
Start EI_ 'lOQ.4000 ft Max El. 108.0000 ft �
----- ----- ------------------------------ - ------ -- . ---- ,
'Classification 'Manhole Structure Type ;CB-TYPE 1-48.
r -------- --- ___ -- -------- -------- __---—--- --- -- -�
;Ent Ke Groove End w/Headwatl (ke=0.20)'Channelization jCurved or Deflector;
----------- --------------- ----- - ---�
'.Catch ':1.500(} fi 'Bottom Area j 19.6350 sf
Condition'-- - Existing-`-- '
�
Record Id: cb45
-----_ -------__ ---------- ---- _— ,
Descrip: Prototype Record Increment F0.10 ft '
'Start El. ;1(}0_Q000 ft ` Max El. ;108.0000 ft
:Classification ;IVlanhole ;Structure Type iC PE 1-48 I
: . _ , ,
;Ent Ke iGroove End w/Headwali (ke=0 20);Channelization:,Curved or Deflector� ;
Catch ;15000 ft ;Bottom Area �19.6350 sf �
!Condition---!Existing- -- — �
Record Id: cb46
Descrip. iPrototype Record Increment �0.10 ft �
Start E1. 100.0000 ft :Max EI_ :108.0000 ft I
;
Classification ;Manhole Structure Type ;CB-"TYPE 1-48 i
__ ---------�-------------- ------ `— ----------------�
'Ent Ke `Groove End w/Headwall (ke=0.20} Channelization�Curved or Deflector�
,
-------------=---- ---------------------------�-------- -�
iCatch :I.5000 ft Bottom Area �19.6350 sf I
, �
'Condition ;Existing ;
—--------- ------- --------- — --- �
Record Id: cb47
Descrip: �Prototype Record ��Increment "0.10 ft _�
Start E1. rIQ0.0000 ft �Max El. :8.0000 ft
— - -- --- — �
;Classification �Manhole ___ _ __ � :Structure Type ,CB_TYPE 1=48 '�
�Ent Ke Groove End w/Headwal} (ke=0 20);ChannelizaEion;Curved or Deflector`
-------- �------ --------------- -- �-----
Catch �1.5000 ft Bottom Area ;19.6350 sf �
Condition---'ErisEing ---------- r
Record Id: cb5
:Descrip: jPrototype Record Increment ;0.10 ft i
-- ----- ------ . - .
�----
;Start El. ;IOO.00Oa ft Max El. �108.0000 ft i
=-- —�------ _ ,
�Classification �Manhole �Struciure Type ;CB-TYPE 1-48
r— ----- . _ _ _ -
�Ent Ke ;Groove End w/Headwall (ke=0.20}�Channelization.Cnrved or Deflector�
Catch I1.5000 ft ;Bottom Area 19.6350 sf �
. _ _ _ _
ICondition �Exis[ing �
Record Id: cb7
- � ----_-- - _ ___ _ _ _ -- __ -___ __ __--- -----
!Descrip: ;Prototype Record Increment ;0.10 ft
--------- ----- -------------------- -- --- -------- --- ,
;Start El. 100.0000 ft Max El_ �108.OQ00 ft
�Classification 'Manhole Structure Type iCB-TYPE 1-48 ,
�Ent Ke � !Groove End w/Headwall (ke=0.20)-Channelization;Curved or Deflector:
fiCatch ;1.5000 ft Bottom Area �19.6350 sf
r--- --
_ ;
rCondition 'Existing
Record Id: cbK
�-- -— --- —— --- ------- �
;Descrip: .Prototype Record ;Increment �0.10 ft ;
Start El. ;100.0000 ft ;Max El. i 108.0000 ft �
r—_—_ �—_ _ �
�Classification (Manhole :Structure Type_�CB-TYPE 1-08 �
� � ;
!Ent Ke iGroove End w/Headwall (ke=4.20) Channelization rCurved or Deflector f
.------------_..___----__--------------— -r----
:Catch 15000 ft 'Bottom Area '19.6350 sf �
-. ----------- ----_---------------------
Condition "Existing !
Record Id: cb9
- - _ ---__ __ - ---- -- --------.--
�Descrip_ Protot}�pe Record � Inerement '0.10 f[ !
�_ .---- -- - --------------------
:Start EI_ ;100.4000 ft �Max EL �108.0000 ft
iClassificatian ;Manhole � � �Structure Type ,CB-TYPE I-�t8
------------------------------- �--- r---- -
;Ent Ke Groove End w/Headwall (ke=0.20);Channelization ICurved or Deflecia-
iCatch �1.5000 ft :Bottom Area j 19.6350 sf
�Candition -- :�Existing ---- ---------
Record Id: pond
Descnp- Prototype Record:Increment i0.10 ft
�Start El ,100.0000 ft Max EI_ !I08A000 ft; I
--------------------=-------------:, �
'Dummy Type Node ; I
Contributing Drainage Areas
Record Id: cb10
— -- -- ----- ------- --; -
_ _
Design l�iethod SBUH iRainfall type ! TYPEIA �
- ---- -- -- ---r-- : _ �
:Hyd Int� ; 10.00 min �Peaking Factor ! 484.00
,
: � �Abstraction Coeff j 0.20
-- --------- — _.
Pervious Area ' 0.03 ac iDCIA 0.02 ac �
�Pervious CN ;' 98.00 ;DC CN � � 86.00 �
------__------------ - -
Yervious TC 5.00 min ;D C i 5.00 min '
- ---------------
_ . _ _ — �_ _ _ .
--- _------- — �;
, Pervious CN Calc �'�
----=-- �----�:
� ---� � -- - � .— _ �
Description SubArea ; Sub cn �j
. ___ _ _ _ --- _ _- --- ------------- --:------ �:
Impervious surfaces (pavements, roofs,etc) 0.03 ac ' 98.00
:,
_ _ - __--__ __ ------ ---------- ---- ------__---= ---�;
' Pervious Corr�posited CN (AMC 2) ; 98.00
--- ,
— ----------
� -- - -- __ -- - - --- -- - — —=---��
- -- - __ ----- ------------- ---- ----�:
Pervious TC Calc
_ia
-- -- — �----
Type Description ` Length Siope ; Coeff : Misc TT �'
— --- - -- - — ��
Fixed ;5_QO min
'-
Pervious TC _ 5.00 min �
--------------------------------_---- - �
---------------------------- �
-�--------------------------------- ��
Directly Connected CN Calc ����
---- -- __------- ---- - -�-------
Description � SubArea j Sub cn i�
---- - - �;
Open spaces, lawns,parks (>75% grass} �OA2 ac 86.04 :1
------- -----
------ i! I
DC Composited CN (AMC 2) 86.Q0 r�
'-------------- ----- ,,
. - -- - _-- ---- _ _ __�
---- -- ------ -
Directly Connected TC Calc �� I,
_ __- - _------ -----�.
�--,
: Type Description � Length ' S1ope � Coeff : Misc : TT ��
- _ _ _ _ _ ___ _ ----------------------- -- ----
�,
'Fixed :5.00 min
_ . _ _ _ --- _-------------------------- -------- - :
Directiv Connected TC S.OQmin
— Record Id: cbll
—-------------- --- -------- ----------- --_ _ -- _------.
�Design 1�lethod j SBUH !Rainfall type TYPEIA j
iHyd Intv '; 10.00 min (Peaking Factor 484.00 i
------ � �— . _ ----�-- i
� C �Abstraction Coeff ; 0_20 ;
_ _ . _
-�
;Pervious Area �0.17 ac DCIA _; 0.12 ac j
�PQrvious CN ' 98.00 ;DC CN 86.00 I
�Pervions TC 5.00 min jDC TC " 5.0O min j
j.- --- - - - _ _ . . _ ------_ --
Pervious CN Calc �
------------_-------- — - -- ------ ,
�
!; Description SubArea � Sub cn � �
r j Impervious surfaces (pavements, roofs, etc) 0.17 ac ! 98_00 �
---- ---- — ------------- --- �
�� Pervious Composited CN (AMC 2) : 98.00 �
i' '
- ___'-___—------- - —_—
I
' --- -
_. . . .. . . . . __ _ . __ _
` __ _. __ _ . I
i Pervious CN Calc !�
�--------------
_ _ _ .__ . _ __
� Description ; SubArea Sub cn ��
__-
------ --- - ---- -
' Impervious surfaces (pavements, roofs, etc} E 0.1$ ac 98.00 E
j; � Pervious Composited CN (AMC 2} :I 98 t�
�-- ------------- --- ' i
--- ---_-------- — __
�•--------- _---------- --- ` — ;
--- - ----- -�:
�: Pervious TC Calc 'i
= -- -------------
l;
; Type Description � Length ' Slope ;� Coeff � Misc � TT i;
=--------- ------� _-- ' : _,,
'.Fixed ! `5.00 min :i
:; ,
_ __,t
---- -- -- - !'
Pervious TC 5_00 min �
=___=-_-__ ----- -- --- __ -- ----__--��
;---------------------- - -- - -- ------ .
;: Directiy Co�nected CN Calc ��
?� ' Description :� SubArea , Su� �
� Open spaces, lawns,parks (>75% grass) '� 0.12 ac � 86.00� � �
�- __ _ _ _ _ __ ,. 1 i
� __�` DC Composited CN (AMC 2} 86.00 �f
__ ___. . .
------- _ . _ . .. : +�
' � Directly Connected TC Calc ;
�----- ------ ------ _ �
, Type Descriptian r Length � Slope � Coeff { Misc ' TT �
-- --- --- — .
;Fixed , 'S_00 min �;
-------------- ----- � _
- E Directly Connected TC : S.00min��
--- ---- ------ — �
Record Id: cb13
r--
'Design Method . SBUH ;Rainfall type ' TYPEIA ;
-- --------- ___ ___--- -------- ` ----- — -' I
:Hyd Intv ; I0.00 min �Peaking Factor 484_00 �
,
---------- - - ,
iAbstraction Coeff ; 0.20 ;
;Pervious Area 0.14 ac DCIA ;0 ca10 '
:Pervious CN i 98.00 �DC CN � 86.04 i
�-- - — - — —i
;Pervious TC ; 5_OQ min DC TC �00 min ;
- ---- _ _ - �
- -- i�
Pervious CN Calc
Description � SubArea j Sub cn �i ,
_ .,
Impervious surfaces (pavements, roofs, etc) 0.14 ac I 98.00 �I
- ---- --- - -- I
� Pervious Composited CN (AMC 2) + � 98.0O �f
' -- - - ----- -- - - -�' I
------------- --
:- ---�_ _ ----- ---- -��
' Pervious TC Calc !i
,_ __ __ . -------- .`
�: T_ype Deser�phon ° Length � Slope _; Coeff Misc �_ TT ��� �
Fixed 'S.00 mit� I,
__ _- ___ _ - -- -- --- ---- --- --_- --- -- ---- _" i
---,
-
: _- -- --- --- -- --- _ - - --- -- ---i. ,
� : Pervious TC ; SAO min ;�
�: :
:�-------- �
� �_— _ __ �
`�� � � Directly Connected CN Cak i{
,.
'=- -- — i;
E� Description 1 SubArea Sub cn ��
'� Open spaces, tawns,parks (>75% grass} ; 0.10 ac 86�.40 `'
E�`___ ` _ __-._ . ._....._ ._. . ..... .. . f._.'_ . .. �E
� DC Composited CN (AMC 2) 86 00 i�
�-- — -
__. _ . _ _ _ __ . _ _
� _ _ __ ... ,.__ _ ___ ._ __.__
:'
Directly Connected TC Calc �l
• -- __ _ _ _ . . (;
t__
�s Type Description ! Length ; Siope „� C f{ 1�'iisc ; TT k�
. ___ _ ._ i'
�;Fixed ---- --- -�— - :S.OQ min ^i
_ _ . ._ ;
Fr—-- — -----`— _ ,
;
Directly Connected TC ; S.00min i,
-- -__--------------- ----------- -------- ----- - ��
Record Id: cb14
Design I�-lethod SBtTH ;Rainfall type ! TYPEIA ;
;--------------------�------------ ------=- —:
;Hyd Intv 10_00 min iPeaking Factor ; 484.00 �
---- - - -- —= - — - �
_ �Abstraction Coeff ; 020
�-� Pervious Area 0.4b ac �DCIA ; 0_30 ac
Pervious CN 98.00 �DC CN ; 86.Q0
Pervious TC 5.00 min �DC TC � 5.00 min �
= ---- ' --�
- -------- -- — ,i
� Pervious CN Calc E�
�
,- - �;.
Description ; SubArea ; Snb cn
� __ ___ _ _._ (I
�--- ---
Impervious surfaces{pavements, roofs,etc) : 0.46 ac 98.00 j(
i---- -- - ____
Pervious Composited CN (AMC 2} 98.04 I�
'' -- ---- — - - . 'I
-- -- --- --- — - _: �
. ----------- --- — ---
Pervious TC Calc —�i
------ -__..------ --- --�------ ----�--------- �
` Type Descr�ption : Length Slope ; Coeff ' 1�1isc � TT ��
_____-- ___ ._ __- --_-- - - -- --------- ---- -------`--- - —�I
,;
Fixed ;S.00 min ;�
` _.___- -_...._----------_ ----=--_____ ____._----------- --- ' ;;
Pervious TC 5.00 min ;r
:----------------------------- ---- ----;
: Directly Connected CN Catc
;:
-------. --- -
,
------------------ �-----�;
Description ; SubArea ; Sub cn ;;
;__ ---- -_ _____---____ ---__ _ r___ •:
Open spaces, la�vns,parks (>7��'o grass) '• Q.30 ac i 86.00 'i
� _ _ _--------------------p--- -----------}-----=---- �---;'
DC Com osited CN (�MC 2 86_00 ��
''------------------------------------- ------ — -i
-..------------------------------------------ ------ �
Tlirn�tiv ('�nnn�tvrl Tr' f al� '�
-;i
r Type � Description � Length Slope i Coeff j Misc ' TT �;
;; , ,
.--- - ----- , _ _ _�;
'Fixed , _ _ ;5.00 min ,
' _---___----- ---------=------ ------ ----------- - ---�
_ _
-- ---- -- -- -- —�,
--- ------_ � - -- _ _
�'Fixed `; ;5_00 min !i
---
__. _ _. _ : _ . _ '�
Directly Connected TC ; S.00min ��
-- ---- --- -------- — -- ---_ _ —=-
_ __ ---- -- __ _ ------- ---------------- -----�
Record Id: cb15
__. ____--------__ _ _ _ _ ---- _ _ ___----_ ---__ _----- -- -- ---- --,
Design Nlethod SBLTH �Rainfall type ; TYPEIA
Hyd Intv � 10.00 min ;Peaking Factor � 484.00
;Abstraction Coeff r 0.20
; _ , �_;
:Pervious Area i 0.13 ac �DCIA � 0_08 ae
:Pervious CN ; 98.00 �D C i 86_00 I
:----- � _ _;
�-----.
;Pervious TC ; S.(}0 min {DC TC �5_00 min j
� __—. f
:--- __ _ ,
�' Pervious CN Calc '�
.__'.'_-__'-_-'_- _- - i I
__ _ ,
; Description SubArea ,� Sub cn �i
; _ r__ . _
�------ _ . _
' Imperviovs surfaces (pavements, roofs, etc) . 0_13 ac 98.00 ;�
:_---- ---- . . ;
'� Pervious Composited CN (AMC 2) � 98�.00 �j
`----- _ _ _ _
�-_-- — - -- - - _ __ _ ;�
`� Pervious TC Ca1c ��
t �,
_------- -- _ _ _
': Type Description � Length ` Slope � Coeff � 11-1 s�c TT i;
____--- --- ---- '�
�-------
Fixed 5_00 min
----------------- Pervi ous TC ------------ ---5_00 min
Directly Connected CN Calc
'---------------- -a�
: - ::
" Description � SubArea j Sub cn '
.. :�
::----------- . �—�;
;t Open spaces, lawns,parks(>75% grass} 0.08 ac � 86.00 ��
� DC Camposited CN (AMC 2) 86.00 ,;
i�
^ Directly Connected TC Calc
- -------- —-- -- --- ---� --------':
Type Description i Length � Slope ; Coeff � Misc � TT �
;;
;'Fixed- ---- -� :5.00 min '� �
;� 'I
" Directly Connected TC S.00min ?;
,
� „
- ------- -- ----- - --- ------ ---j�
Record Id: cb16
____ _ - _ - -_
.Design 1�9ethod . . S�3UH ;Rainfatl type i TYPEIA '
-- --- -____ - --____ ___.____---- _--;- -- --
(I��d Irtt�� (�.C)f) min �iPeakin� Fact��r -- - ' ,�84.�0
_ _.____- - ---------
- ------ -
-- ---:
�Abstraction Coeff � 020 !
, - - ------ _ _--- -
',Pervious Area 0.52 ac �DCIA i 034 ac ;
_ .------ ._.__._ ------� ------- --�---------- -;-- -
'Pervious CN ; 98.00 kDC CN j 86.00 :
�----------------- - --- - -
;Pervious TC ; 5.00 min jDC TC . 5.00 min ;
-- -- -- _ i
�__- __ _ __:_ ---- - _ __ __.___
,�
(� Pervious CN Calc �
. �,
_ _. _. _ __ ___
I� Description ; SubArea � Sub cn !i
_ - - _ - - . . .,i
� Impervious surfaces(pavements, roofs,etc) ; 0.52 ac � 98��
;r' _ __ _ - i
----- - _ _
' Pervious Composited CN (AMC 2) 98.00 �
.-_ _ -- -- - '�
_ ._ - .. __ _
�,--- - _
- - - ---- -- - _ _. ,_ I
: Pervious TC Calc
!:--- --- - - - � ��
� Type Description j Length � Slope � Coeff { Misc i TT �;
,------ -- .
;,Fixed ; j5.00 min ��
-----v- -- Pervious TC ; 5.00 min ;;
--------- ---------------- --- : �
....__.'"'"____'- _-___'-_'_'-'_.._'--'-"__-"___-_- _ . . ... . i
�__-__.___"_-____---_'_..--'---_ '--_____."_-___ --_-1• I
Directly Connected CN Calc ;'
------------- --- ---------------------- --- ---------- t:
' Description � SubArea � Sub cn �'
___-- --- ----------------- ----
� ;�
�- ---�---
' Open spaces, lawns,parks (>75°lo grass) ; 034 ac � 86.00 ;;
-- ----- - ` ;
DC Composited CN (AMC 2) ; 86.00 j�
------------- - - - --
__-_-------_ _ - �
__ Directiy Connected TC Calc � '�
Type Descripfion �Length Slope � Coeff Misc ;- TT �
�
Fixed--- -- �-- �S.00 min �i
I
' _ ____ _ _ _ Directly Connected TC __ _ _ S.OQmin j�
Record Id: cb17
_------------------- � — —
,
llesign Method j SBUH �Rainfall type � TYPEIA �
_____---------------------
----,� --- - �
Ilyd I�ttv 10.00 min ;Peaking Factor 4 4.00 �
_- _ __ _- ------- ,------------------: ,
'Abstraction Coeff 0.20 ;
_ _--------- --.-------------------- �--- ---�
1'ervious Area 0.07 ac 'DCIA 0.05 ac '
_ ___ _ ____ ___ ------------- - -:-------_---- ----` �
Pervious CN 98.00 iDC CN ;- 86.00 '
_ _ ____------------- ;----------�---- ----r---- ---';
Pervious TC 5.00 min �DC TC j 5.00 min
- - ------- ----- '--- ---'- - --- �
----- --- - - �
Pervious CN Calc i
__ -- -___ _---- --------- - --.
Description ; SubArea � Sub cn ;i
,._----------- __--- ----- ---- - ---- '
�-!i
Imoervious surfaces loavements_ roofs. etc) � 0.07 ac ' 98.OQ
_ __ _ _ _ -- - _ __ _-_ _
_._
----- -
_ -- ---_ _ _ _.. _ ..___ _ _. _.. __ -_. --- - �
� Pervious Composited CN (AMC 2) 98 00 �'�
. � ___ _._ __._' I
—- --
_ : ._ _ . _.._ _ __, r
-- - --- ---- ---- -- -
; Pervious TC Calc
_ _ ._ __ __��
^ Type Description � Length ; Slope ; Coeff � R�Iisc s TT
�- ---- -
;Fixed -�-- -------------- �5.00 min ,!
;; Pervious TC : 5.00 min �;
_ ----- - _ _ _ _ -- -- ------------ �
._ � _ _�_ _, _ � -- - --- _ . _
;-- ---- _ _- -- _ -- ---- -- -- _ . ��
i Directly Connected CN Calc ��
, ___- - __ _ _ _ ___ ;_- ____ --� - -- ---i!
Description j SubArea � Sub cn I�
- ----- - _ =1:
--- --- --- ------
��-----r--- r-
� 4pen spaces, lawns,parks {>75% grass) � 0.05 ac ; 86.00 �:
_____ _- - ___ _--- ------ ----------- -'
!�
DC Composited CN (AMC 2} � 86A0 ��
:'._� .-----_______ --- - ---------- - �
---- --- _- --- --- ---- -
- ----
-------__---____------------------ -------- - -;
Directly Connected TC Cak ��
� Type Description ; Length : Slope ; Coeff ;' Misc : TT �'�
�---- �- ---- r-------=- -- ---
;Fixed ! S.QO min _i�
_ - ---- ---- --- __
j; Directly Conneeted TC S.00min 3�
_ � .
Record Id: cb 18
------------- ---- ---- --— -- —� ,
Design Method SBUH �Rainfatl type ; TYPEIA �
--------------------=---------r--- -- ----- {
`;Hyd Intv 1Q.00 min Peaking Factor ' 484.00 �
-- --- --- --- -- '
- ---- -- --
, -r--:
:Abstraction Coeff ; 0.20
-__ ___ _____ -- -----� ------ - - ------- - -------= --!
Per�ious Area 0.16 ac DCIA ' O.I 1 ac ; '
- ------------ - - _--_._ �___----- ----------- -- ' . �
Pervious CN 98.00 `DC CN 86.Ot1
_ _- - ------- __ __ - - ----------_ __»------------ ------ --,
Pervious TC 5.04 min :DC TC 5.00 min ; ',
----------_- ----_._ ____ __---------=------------- ' -�
Pervious CN Calc ------------' --- -i� ',
---- -- --- ---- - - -- --
-- -- --- -----—�
-IE '
�: Description ' SubArea � Sub cn I i
;; -- ---- -_ _- ---------- -- - �----- � I
�� Im pervious surfaces (pavements, roofs, etc) 0.16 ac i 98.00 !; '
�;-------------------- -------- ` ;i
:� Pervious Composited CN (AMC 2) � 98.04 :�
�`------------ - - ;;
— --
��---------------------- ;;
Pervious TC Calc !�
Type Description � Length Slope ; Coeff i NI si c T'I' ��
Fi xed - ----------------- 5.00 min �i
---------------------- ` I;
_; ---- -- :
`� Pervious TC : 5.00 min ��
,
�------- ---------- ; �.
---- --------
_ - ,
------------------
---- --,
-------------------------I?irv�tiv C'nnnPrtvrl (~N f a!�- ---- — -,;
Description i SubArea � Sub cn '�
,. .
_,__ _ _ ___.__ _ -- . __ _ -- ---- ------ --- ------ -------------- _�--
� Open s�aces, la��-ns,parks (>75�o Rrass) 0.1 1 ac 86_00
--- --- - - - �
� Open spaces, lawns,parks (>75% grass) i 0.11 ac ; 86_00 '�
.;: :
v_ --- - - - --------— — -:i
--
�'; DC Composited CN (AMC 2) j 86.00 �;
,---- -- --- -----
__
---- -- -- - ---- --
------ ------ - -- _ _ ;i
; Directly Connected TC Calc �
, _ . _
:�
�; Type � Description �i Length Slope ��� Coeff �� I��-7isc �' TT
;;--------------:
--- _�--
�`Fixed �S.QO min (
=��--- -- -- � - - � �,
� Directly Connected TC 5_OOrrvn '
�: _ : _ ��
----- ---- �
Record Id: cb19
- -- ----- _—�_
'Design Ntethod SBUH ;Rainfall type TYPEIA
;Hyd Intv ` 10.0(}min IPeaking Factor � 484.00
------ -------____----- _-- ----- � �- _ �
; =Abstraction Coeff j 0.20 i
- ------- ----------_--------------- ` �
------ ---- -
�Pervious Area Q29 ac 'DCIA � 0.19 ac }
._ ._------------- - ------- ---- -
'Pervious CN 98_00 ;DC CN I SC).00 j
Per��ious TC 5_�0 min �DC TC � 5.00 min F
;� _- --- =- � :
____- ------- -- ��
� Pervious CN Catc �;
- �—�I
Description ; SubArea ; Sub cn ,
v Impervious surfaces (pavernents, roafs, etc) 0.29 ac � 98.00 ��
,:
- - -- -- - r---,;
;; Pervious Composited CN (AMC 2) I 98.00 �_
'------ � �i i
'--- - ---- .._ . . . .._ .... .
:-'-'-- ..-..._. :_ �_ _.... � ( .
---
,; Pervious TC Calc ��
r-------- t
YP P r Length � Slope Coeff �� Misc _: TT i l
; T e ; Descri tion , �
:- -- — . �
i;Fixed ' I ;5_00 min
_.__ _ _. _ ._ _ _ _.
r Pervious TC ; 5.00 min ��
= ----- — (
.-_---- _ _ _
�- .-__- _-__ . - . . ._ . .. _ .._.. ..,. .j i
�' Directly Connected CN Calc '�
--------------------- _ _I�
Description i SubArea Sub cn i i
___ ------------------------------ -----� j
Open spaces, lawns,parks (>75°'o grass) ; Q19 ac 86.00 �1
_ -----___--------------------- ' �
DC Composited CN (AMC 2} i 86.00 i�
-- -- --- --- ------- j
"_- -_ -- -- ----- -- _
Directly Connected TC Calc ��
_._ _- __----_ ---- --i-
�� 'Type Descr�ption ; Length � Stope ; Coeff i Misc ' TT �
1;
----------- - -- ��
'Fixed ;5.0(}min
, � ;:
�;-___.____.__ ..__.___-._..-_._--_. ____-____ _ _________________..___-__ _-__ -. i k
� Directi�r Connected TC S.00min ';
�;
-� Record Id: cb20
jDesign 1�•lethod � SBUH IRainfall type � TYPEIA
_ _ _ . _
------ --- -
�Hyd Intv � 10.00 min Peaking Factor 484.00
___ __ _ _ __
; � Abstraction Coeff 0.20
- -----_----- -
_ _
�Pervious Area � 0.05 ac ,D IC A i 0.03 ac
;Pervious CN : 98.00 DC CN �86.00
- _ ___ ------- --- --- �-- ------- -----
Pervious TC __ _ 5_00 min _DC TC � 5.00 min I
_ _____ ___._ .-- - -- -- -- �
, Pervious CN Caic !I
- - --- -- -- --��
i� � Description SubArea j Sub cn ��
i: --------------- ------ -- -��
(j . Impervious svrfaces (pavements, roofs,etc) : 0_OS ac � 98.00 `
; - -----
��-- Pervious Composited CN (AMC 2) _ � 98�_00
____
r==-- ---- - ,
Pervious TC Calc � ��
''----- --- ------------ ----- —
`. Type Description Length ° Slope ! Coeff Misc , TT I
� Fi xed -- ------ --� �5.00 mi n
� Pervious TC ' S.00 min {I
'---- — - � I
I
� -� �� Directly Connected CN Calc I
_ _
j I Description SubArea Sub cn
�----------------- -
Open spaces, lawns,parks (>75% grass) 0.03 ac � 86 00
j _ _ _- ---__--------------- ------
-- ----
DC Composited CN (AMC 2) ; 86.00
- --- -- --- � �
-- -- ---
----- -
i _ - -- -- -- ---
-- --
-- --- ---- ------------------ -�
--- - --
Directly Connected 'TC Calc f
_ _ -----___ __--- ---------- ---,-------
' � Type Description ; Length Slope ; Coeff j Misc TT '
-. _------------r ---
--- ---- ----
Fixed � '5.00 min }�
- _-- ---- -- - --- --I
_____�_a Directly Connected TC 5.0(}min ;f
; �
Record Id: cb21
!Design R-lethod ; SBIJH �Rainfall type j TYPEIA �
------- ___ _____-- - -- -- --�-- ---�
;Hyd Intv 10.00 min �Peaking Factor I 484.00 �
---__ --- - ------'
;- Abstraction Coeff 0 -�
-- - - ---_------ '
;�Pervious Area � 0.03 ac DCIA j 0.02 ac
-_ ___ - ----- -_-----�-- --�-- -
'Per�ious CN ; 98_00 jDC CN 68��_00 �
_- - _ _ _-- - -- —
Pervious TC � 5.00 min �DC TC �5 n �
- ---- --- ----- --- _ i
_ r- - - - - -- ----- - -----` -= . _. _ _
' ' Pervious CN Calc
;- _-- ---- -- --- --- --- - �- --- --�-- --
Descriplion SubArea ; Sub cn- �
,_. _ ._-- - - -- - - - -- -- - -- ------. --
Impervious surfaces (pavements, roofs, etc) 0.03 ac ; 98.00
�( Pervious Composited CN (AMC 2) 98.00
��----- �---------------Pervious TC Calc------------
!� Type Description ; Length ' Slope � Coeff � Misc ' TT '
j--- ---, - ----
��F�xed � ; ___ --- ;5.00 min i ,
'� — Perv�ous TC ? 5.00 m�n
� -- ---- --- - �
' Directly Connected CN Calc �
�i Description � SubArea � Su� b cn
:�� Open spaces, lawns,parks (>75% grass) j OA2 ac 86.00 I I �!
4�— _ DC Composited CN (AMC 2)------------ 86.00 �I i,
�r--- -_— --- -- - - — ��
�I _ _ Directly Connected TC.CaIc _ (
(
� Type � Description ; Length Slope Coeff : Misc TT �
- -- ----- ---- _ _---- _----- -- ------__-- -- ---��
;Fixed 5.00 min I I
. : �;
_ _ - --- --------------- --- ---- -- -- --- -- --f�
,- -. Directly Connected TC 5_OOmin �I ,
-- ------- ------- -- -- -- ---- --- --- - ----�:
Record Id: cb22
'Design Method � SBUH ;Rainfall_type_ _ ___ � TYPE 1 A i
�Hyd Intv , 10 00 min {Peaking Factor � 484.00 �
� �Abstraction Coeff ; 0.20
iPervious Area 0.01 ac �DCIA �0_00 ac
;Pervious CN j 98.00 �DC CN 0_00
iPervious TC �5 00 min DC TC � 0.00 min
---- — ---- — -
;� --- --- - - --- �
'' Pervious CN Calc I
- --- -____ _---- -- ------------------ -------- ---- !
Description SubArea ; Sub cn �
-- ------------------- --- ._., ----------' - �
' '� Impervious surfaces (pavements, roofs etc) 0.01 ac 98.00 �i
;--_-------- ------------------------ --___ - -�--�------- ---__-----.---------��
_ � _ _ Pervious Composited CN (AMC 2)____ _; 98_00��
I' ', -_ _—---_--_--—_-_--- ------ --___-__- - �_ E�
Pervious TC Calc
- ---------- --_ _ .----------------- -- ---- ----------------I�
;; Type Description ; Length Slope Coeff � Misc TT _{(
i----- ---- --------- �
!1Fixed 5.00 min '
�_.--------= ---------- ---------- -------------------�
_ _ . _ _ _ _. __ _ _ _ _. i �
- _ _ _ ._ __ . __ _ __ -- _ -__
�r=-----
� ;; Pervious TC 5.00 min ��
.� ,__ - _ �
Record Id: cb23
�-------- ---- _ _ —,
�-
iDesign Method r SBLTH �Rainfall type ; TYPEIA I
�Hyd Intv J 10.00 min �Peaking Factor � 484.00 '
_-______-._-____-_---.__- --- - ---;Abstraction Coeff' � 0.20
---------- ---_------------ -------=----
Pervious Area 0.40 ac �DCIA � 0_26 ac
--------------------r-- ' --- -;
:Pervious CN i 98.00 iDC CN ; 86.Q0 f
- ----------------------�-- - -- ---- I
;Pervious TC ` 5.00 min ,DC ; 5.04 min �
�__-------•- ---
�.,-------------- - -- —�(
Pervious CN Calc If
------- --- r I;
Description � S�bArea ; Sub cn ;�
� Impervious surfaces (pavements, roofs, etc) 0.44 ac �0 �4
�=--- --- --- -- - �
i j Pervious Composited CN (AMC 2) ; 9 0 I)
�
�--- -- I
_ �
��_ -- _- . Pervious TC Calc - _�f� I�
' Type Description �Length Slope � Coeff y Nlisc � TT f
. ::------- --- - _
� iFixed ---- -- ` - 5.00 min .�
�� Pervious TC 5.00 min '
!_— __ _. : �
<--- --- - _ _
:.
�� Directly Connected CN Calc {
,:
,:
---------------
i= �
• Description SubArea � Sub cn
s�
;; --------------- --- r-- ,
;1 Open spaces, Iawns,parks (>75% grass} i 02b ac j 86.00 �i
�--- -- --- ----------- ----------- �. - :
'. DC Composited CN (AMC 2} 86'Ofl !�
----- �- - -- -__ - ----.__----
;---------------- ----------- -- ---
-------------- __---__ ----- -- ------ -----�,
`� Directly Connected TC Calc li
"' �_-�------- �----
� Type Descr�ption ! Length ' Slope ? Coeff �Misc ' TT 1 i
�
F�xed- --- - ---------�-- �5_00 min _ (
� _ �
; Directly Connected TC ' S.00rrun �'
Record Id: cb24
�------------ ----—-- - -�
�Design Method : SBLJH Rainfall type � TYPEIA i
r------------------;------
',Hyd Intv ; 10.00 min `Peaking Factor � 484.00
_ _ __----- -------------.-------- - �
�Abstraction Cceff � 020
- ---- J
�
_ +
---------_ .----------�- ----
. .. __ . _. _. _
�----i
Pervious Area 0_16 ac !DCIA � 0.11 ac
�_ .._-- -__-- ---- -- ---- �
'Pervious CN 98.00 iDC CN 86.OQ �
-- ---------_ __- -- --- --------------- — :--- —i
Pervious TC ; 5.00 min !DC TC ; 5.00 min +
----------- ---- ' - " - ---?
_
- - -----------___--------- --
;, I;
:. Pervioas CN Calc ;�
_--_.-"_-__�.______.___----_-_.-- .._ .. _... . , . . �
i^'_'_'_' �_'-___'-'.. '_-_-__�� .
Description ; SubArea ! Sub cn �;
.------ --- -___-------------------- ---- -- ---- ---�;
Impervious surfaces (pavements, roofs, etc) 0_16 ac ' 98.00 i;
,
Pervious Composited CN (AMC 2) i 98.00 �I
' ' —�:
-- - ----- --- - ------ _
----- - ---- -- -- -- -- —I
�` ' Pervious TC Calc �
--_.___---- --�
f-------- ;
: Type Description I Length : Slope Coeff j h�iisc TT ,
�--- ------- ----r- � _ _ �
;Fixed � ;5.00 min
- -------- -
; Pervious TC i S_00 min
�-------- --- _ ._� _:_ _. _ -1 f
---------- ---- _ -- - _�'
; Directly Connected CN Calc ► I
�- - - - ------ -------- ------- �--------
i Description � SubArea � Sub cn =�
-_ _ _ _- ___ --- ------- _-- --��
,,
Open spaces, lawns,parks (>75% grass} � 0.11 ac �86_00
-- - __ _.__ --- ------ ---_----
'; DC Camposited CN (AMC 2) i 86.00 ,�
___ _ -----_ -- -------------_------------------
-------
-- __ _._ -- -- -- — --- - ---�
-- _ - -- - ---- - ---- ------ --------
Directty Connected TC Calc �: '
_�!
� - - ----- -_--_.-- -- --- - �-- �— --- --- �,
' Type Description ; Length Slope I Coeff j Misc ` TT !;
; .
-- - --...___ __ - --- -------------------- --.- ;,
�,
Fixed ' S.00 min �`
_- -- __ ---- -- — - - -
_` __ _Directly Connected TC _ 5_OOmin �
Record Id: cb27
`Design Method _ SBLTH jRainfall type TYPEIA f
�Hyd Intv i 10.00 min jPeaking Factor , 484.00 !
------ __ ---------------- ------;
` ;Abstraction Coeff 0.20 �
�_ ------------------ ---; - �
�Pervious Area ; 0.03 ac ;DCIA � 0.02 ac
;--------.--- ---------------r-------------;- �
;Pervious CN ; 98.00 ;DC CN i 86.00 i
Pervious TC ; 5.00 min ;DC TC , 5.00 min i
--- -- ---�_-- - _ -- ---- - -{
�- ___ -------- - --- ----- -- -- —
Pervious CN Calc i I
___ __ _ ._ ______- ---- ---------- ��
--r------�I
Description ^ SubArea Sub cn t
--- - -- _ ---__ __--- -- ._ ___ - -------- ------ ---- ------�.-----��
Impervious surfaces (pavements, roofs, etc) 0_03 ac � 98_00
__ .. _ - _ _- - ---___ -----_ -____ _--- ----------- �
- Pervious Composited CN (AMC 2} j 98.00 ;�
��
_ _ . _ _ _ _ _ - _ _
-- — — --�
_ �;
_ _ --` __ _ ;;
`� Pervious TC Calc 1�
�; -- -- - j i
,; Type ' Description � Length Slope . ,�Coeff' �11�Iisc. ; TT I
: : ,
:�_ ,- -------�- , - - , --
�;Fixed � , ;5.00 min �
:
1� � .. Pervious TC _ _ :j 5.0 �
. - _ - - -_. --_ . _ __
__—_ _
_ _ _ - - _ __ _ _- -___ _ -.___ __ _i
� Directly Connected CN Calc �
�; Description SubArea � Sub(
�r- - - --- - r--- f
,,
Open spaces, lawns,parks (>75% grass) ; 0.02 ac � 86.00 �
�'__-----------------..------------------------------ '�
�; DC Composited CN (AMC 2) : 86.00 '' i
,
-- -- -_ __ -- - - - - - ------ ---- ---
�.---- ----- - - -- - -------
- ----- ----i
i-- --- - --- --- __ -----------_._. ------- - ---- -..
__ __ __ _Directly Connected TC Calc _�E
- ; f---- , ,,
� Type Description ( Length : Slope ; Caeff i 1�1isc � TT ;i
;Fixed ----------� --- :5.00 min 'I
------- -- --- ---_�
;; Directly Connected TC ? S.00min �i
_-= - -=____=_-- -- _----'
Record Id: cb28
�.--•. ;Design Method � SBLTH jRainfall type � TYPEIA i
=Hyd Intv , 10.00 min ;Peaking Factor � 484.00 ;
� iAbstraction Coeff � 0_20 j
;Pervious Area 0_22 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 Catc 'F
�-------------- - - --- -__------ -=-------��
Description I SubArea Sub cn ;
---- ---------------------- - --- ----- ---.--------;�
Impervious surfaces (pavements, roofs, etc} ' 0.22 ac ; 98.00 `�
------- ------------ Pervious Composited CN (AMC 2)----------------�-- 98.00
----- --------------------------
------- -----
_ _ ------------ ----- _ --------------=------- �
Pervioas TC Calc
..-- --- - -----_ ___ --- --------------- -,
Type ' Description i Length ; Slope ' Coeff � l�tisc TT �;
-----�-- ---------' ---------'----------- -------
-E;
��Fixed � ;S_00 min �;
:�_---- --- --- -----;,
Pervious TC 5_00 min ;i
�'-------------- - -- -
r'__-___ _ _ ----_-_-_i
i-- i�
;; Directly Connected CN Calc ;:
,, :,
�-------------- ---
'; Description SubArea �ub cn ii
.------------------ -- ' �'
� �------;I
Ooen snaces_ lawns_Darks h75% Qrass) � 0.I5 ac ; 86.00 ;i
____
_ - -- --- ------ __
� __ __ __ _ _ ____ _ _ _� f
' - - - _ --DC Composited CN {AMC 2) � 86.00 �
__ _ _ .
. ----------------- ------------- ---
Directly Connected TC Calc �;
�^ Type Description � Length Slope = Cceff � Misc TT �;
�;Fixed -- -- -------- - �5.00 min ��
' -r---
----- ----- -----�_ � - �
— _
;; ;
; _ _ __ _ _ Directly Connected TC S.00min �i
Record Id: cb29
,Design Method SBUH ;Rainfall type j TYPEIA
; : __. _ _. .
jHyd Intv ; 10_00 min_jPeaking Factor �484.00 i
; ;Abstraction Coeff ;�0_20
, _
�- --
-�-- �---
�Pervious Area ! 0.19 ac �DCIA ;� 0.12 ac
iPervious CN ; 98.00 iDC CN 86.00 �
. _ _ _ _ -
_ . ,
:Pervious TC ; 5.00 min ;DC TC � � 5.00 min �
:__ ---------- -----_--------------------------
Pervious CN Calc ��
_ _ _ _ _ --- _ _ ---- - ----- �,
Description SubArea ' Sub cn
,
,,.. , , ,
� ----__--_ __ _ _- ____ _ - - --=-------------- �,
f� Impervious surfaces (pavements, roofs, etc) ' 0.19 ac_j 98.00 . i;
�i y Pervious Com p osited CN (AMC 2} ! 98.00 �
,: , j:
'---
�__---__ - - -- - - --- _
" Pervious TC Calc �(
;; (�
;�- - ---- - ----, -
�j Type ' Description _i Length Slope ; Coeff I Misc � TT �
��Fixed � `5_00 min �I
�;. —_— -- �
�� Pervious TC = 5.00 min
', ,i
-- --- ----- - i
'- Direetly Connected CN Calc ��
�� fi
E;-- --- --
F, Description SubArea r Sub cn �(
;;-- - - - ►I
;i O p e n s p a c e s, l a w n s,p a r k s (>7 5% g r a s s) 0.1 2 a c 8 6.0 0 i i
!� DC Composited CN (AMC 2) 86.00 'i
=-------- _ E
__ __
r--=- -_ -- _ E
Directiy Connected TC Calc ',
� -- ---- - _ - ---- -___--- -----------
�
Type Description Length Siope : Coeff ; Misc : TT ;�
_ _ - _ _ _ _ - __ __ ------ _-____----=-----=---------- �i
'Fixed 15.00 min '�
;i
---_ _ _ ------- - - - -�;
Directiv Connected TC S.00min ;
Record Id: cb3
___ .- -------- .. ._.. - --._.---.. -- � - -------�------- -- - �i
------ � - -____-___-------_.---- _.. . ---- --- -
;Design hlethod y SBUH ;Rainfall type j TYPEIA ;
;------- ------ _ - -:
;Hyd Intv _ _10.00 min !Peaking Factor � 484.00 �
; � �Abstraction Coeff = 0.2Q
.--- ----- — _ .
�Pervious Area 0_04 ac �DCIA 0_02 ac
,- ---- —
_ _._ _ _ _ �
'Nervious CN � 98.00 �DC CN � 85.00 �
_ __ _ _ {
�Per�-ious TC____ {_ 5.00 min iDC TC - I S_00 min - �
Pervious CN Calc �
;;------ --�---- Description -------- -', SubArea � Subcn
Impervious surfaces (pavements, roofs, etc) ' 0.04 ac � 98_00
Pervious Composited CN (AMC 2) � 98.00
.----------------- - -- -- -
-------------- _-----------= — - --- �
Pervious TC Calc f(
--- --- __---- --- -
Type Description ' Length Slope �Coeff Misc TT !
--- - -- -___ - -=-------- --- -- ---- --,I
,;Fixed ; ,5.00 min !;
. - -- -- --
---------------------- - --�i
Pervious TC ' S.00 min '�
-- --- -_ _ ------_ ------------ - ' - ��
. ------------------------- -- -- --- �
Directly Connected CN Calc
Description � SubArea � S b cu n �'
Open spaces, lawns,parks (>75% grass) � 0.02 ac 86.00
' DC Composited CN (AMC 2) 1 86_00
f. Directly Connected TC Calc �I
Type Description ; Length Slope � Coeff � M s�c: TT (
------- ------ - ---- ' �
Fixed - r-------- '5.00 min
___ _-------- ------ --
Directiy Connected TC S.00min ;�
xecord Id: cb32
- ---_ _- -- __ _ _- - - -------- -- --- ---- :
Design 1��lethod ' SBUH �Rainfall type i TYPEIA `
- - -- --- --- -- - - ------ - -
;Hyd Intv ' 10.00 min �Peaking Factor ; 484.00
- - ___ __. _ _ _ _ . -- --- - — -- -�-- I
: � 'Abstraction Cceff ( 0.20
_------------------ - I
'Pervious Area � 0.2I ac IDCIA � 0.14 ac ?
-i
Yervious CN �� 98_00 DC CN ! 86.00 �
_--- ---- -------.-------
- r---------)
Pervious TC ___ _' _ 5.00 min �DC TC + 5.00 min
_- -- - -- --------------- — - �
--- -
_-
',. Pnrv�nnc ("N f al� ----I:
- _---.. -- - --- — ---. -- -- —��
__ _- --_ ---- -------- --- - --- -- ----- .,
Description •_ SubArea � Sub cn �(
. ----- ----- - -- ��::
Impervious surfaces (pavements, roofs,etc} 0.21 ac � 98_00
,
. , ,
-----------------------
. ,
_ - _ t;
Pervious Composited CN (AMC 2) j 98.00 i�
V Pervious TC Calc �
� ----- ------- �_ _ --�'
' Type : Description � Length ; Slope , Coeff ' Misc ' TT '
i
� ---- --�- _ ---
Fixed ': k 5 QO rrun �
; ,;
-- ----- ---= �� I
Pervious TC 5.00 min ;;
-----------------,� �_ --
Directly Connected CN Calc ;� I
,-
,
-- --------------- '
--��
:; Description ► SubArea j Sub cn ; I
�; ,
' Open spaces, lawns,parks (>75% grass) ( 0.14 ac 6 QO �`
�;� ` DC Composited CN {AMC 2} 86.00 {;
, _. ___ _ _ _ __ ._ _ _ ,�
_ _- _ _.__ . _ _ .
- -- -.:
Directly Cannected TC Calc j j
--- -- _ __ _-_� .
Type Description ; Length ; Slope ; Coeff � Misc TT �;
'Fixed ----------, 5_00 min
--- ------- - = �_
Directly Connected TC , S.00min ;i
Record Id: cb33
���Design RTethod SBLTH �Rainfall type � TYPEIA
Hyd Intv � 10.00 min ;Peaking Factor ; 484.00 ; ,
_�-. - --- _ _---_ - �
:Abstraction Coeff ; 0.20 �
�
------- - - - - - -�
Pervious Area 0.34 ac DCIA ,! 0.22 ac
Pervious CN ' 98_00 'DC CN � 86.00
Pervious TC 5.00 min �DC TC ,� 5.00 min �
�--- - _. _ :
�;
Pervious CN Caic I'
- - - .-----�_
Description : SubArea ; Sub cn !:
-------------- --- - _ : __ �:
Impervious surfaces (pavements, roofs,etc) ` 0.34 ac ; 98 00 !�
-- �----�j
- -----
�I Pervious Composited CN {AMC 2) � 98_04 (;
------------------ - �
---------------------- Pervious TC Calc
' T_ype � Description : Length Slope Coeff ! Misc �� TT ;;
$�
-_ _-- -------__- _ _._ -------- . ---------------------. - ---- :
Fixed �5.00 min
__ .__. ___------_ _ - ___ ___- ------------------------------------- _---::
Per��ious TC 5.00 min
_ __ --_ _ ___— __ - -_---- ----- --�
_ - --- — __ --- -- - _ - ---- -��
�{ _ llirectly Connected CN Calc �i
-- --- -- _ , -_I;
;; Description � SubArea ; Sub cn ii
E.�-___.'_. '___- '-' - _'_ _ . . .._ . _ _ . . . _ �i
i; Open spaces, lawns,parks (>7S% grass) - f- -- _ . , 4.22 ac .( 86.00 ''
'---- f I
--------- -
�� DC Composited CN (AMC 2) 86.00 i i
__ ____ _. _. __.__ __
�--- _._ __ .__ __. _ _
r- _ _ _ ---- __-- ---___ --- �I
I; Directty Connected TC Calc i
-- - II
, - r-- __��---, i
� Type Description Length � Slope :! Coeff � Misc �
,: _ _ � _
TT _ _I�
;Fixcd ' 15.00 rrun I�
__ . __ ___ - - - _ _ li
Directly Connected TC S.00min i;
Record Id: cb3�
---___----------- -------- ----,--
Design 11�Iethod SBUH jRainfall type ; TYPEIA
------ ------------ -- ,
Hyd Intv = 10.00 rrun ;Peaking Factor 484.00
jAbstraction Coeff � 020 j
--------------_------ - ------ - -- — i
;Pervious Area 0.10 ac iDCIA i OA6 ac
;Pervious CN 98.00 iDC CN �86.00 �
'-------------- i
'Pervious TC 5.00 min �DC TC j 5.00 min �
- -- --
; ,
--- — -
_ _ _
Pervious CN Caic (
;*----- —; �
;i Description ; SubArea Sub cn
------- - - �— �
lmpervious surfaces (pavements, roofs,etc) 0_10 ac ' 98_00 !
.:- ------- k
Pervious Camposited CN (AMC 2) 98.00 �1
_ - -- — —
_ __---— --- - ----- -- -- ,
- _ --- - - - ---Pervious TC Calc� - -- �`
Type � Description i Length ' Slope � Coeff ' 1�1isc : TT ;�
_______..___--------------------:- ------------=---- i�
Fixed � 5_00 min i;
-------_ -----------------------
��
----- --- ��
Pervious TC 5_00 min i;
'-- ---- ` ��
- -------
________----- ---- ---- �
__ _ _ --------------------- - — ---- - --
I;
Directly Connected CN Calc i�
_ - - - -_ _ ----------
Description � SubArea � �
; Sub cn i�
, ,
--------- -------------------------- ---- - -- - -- -- � �
�- I
�; Open spaces, lawns,parks (>75% grass) � 0.06 ac ( 86.00 ��
---------------------- -------- - I�
;:
DC Composited CN (AMC 2} ; 86_00 !`
�----------------------- - - ---- - ----�
------------- --- — —
.r_'__._-._'____-. _ _ '
i; Directiy Connected TC Calc �
;^ Type ^Description j Length � Slope j C f� Misc : TT _ �,'
��- --- - - --�
;;Fixed 5_OQ min
_ _ _ — -- _ _ . _ __I
r-- - _ __. _.., ._ __ _ _ _�
�� Directly Connected TC S.00rrvn �
�'_ --- -- _ _
Record Id: cb35
- --------_ __-------- ---_ ----- -- -- --.
,Design l�-lethod SBLTH ;Rainfall type ; TYPEIA j
------— ----- -- --------------:---------------- �
IHyd Intv 10.00 min ;Peaking Factor ( 484.00
; �Abstraction Coeff � 0.20
------- ----- ---- I
;Pervious Area J� 026 ac ;DCIA 0.18 ac
;Pervious CN � 98.00 ;DC CN 86.00 '
: j
__ --------; -------�-
;Pervious TC _ '_ 5_00 min ;DC TC__ � 5�00 m�in � - i
��� ` Pervious CN Calc
� Description . SubArea � Sub cn
'r Im ervious surfaces avements, roafs,etc 0.26 ac � �
;; P (P ) � 98.00
Ii Pervious Composited CN (AMC 2) � 98.00 �.
� ,, _
;; -------------- -- - Pervious TC Calc
__ ' Type Description ; Length Slope ; Coeff i Nlisc TT i
- --- _ ___ _ _.__ ___ __ _- ------ -- _ ----------- ------- -------
Fixed , i 5.00 min i '
_.._------- _--- --- -,- - ----------- — ,
; Pervious TC , 5.(}0 min '
��
'- -------- -- ---- --- -- ----- - ---- ----- ------ - r
---_=________-_=___-_----- ----- ------- -�
Directly Connected CN Calc {I
';----------------- --�-------( Sub cn �I
�i Description � SubArea
i��-- ---- --- ------------ -�---,{
i4 Open spaces, lawns,parks (>75% grass) 0.18 ac_� 86.�
if _ _DC Composited_CN (AMC 2} _ __ 86.Q0 IE
�_. ---____--_---_----__�-.--`_-_-- -- {
?� Directly Connected TC Calc
�--- --- ----- ----- ----�------- —
'" Type Description ! Length Slope � Coeff I Misc � TT
i;------- -----�----
!�Fixed ' 'S.00 min ,
�-- --- ----'---- i
s i Directly Connected TC � S.00min
��------ - ---
Record Id: cb36
-- --__-- ----- _--. -------- -______ __--- -- --- —---------- ,--- �
�Design l��ethod SBUH Rainfall type ; TYPEIA �
_ _ --- ------- ---- -_ -------- __ _- ----- -- ----------�------ --
'Hyd Intv 10_00 min �Peaking Factor 484.00 ;
_ -------- __ _-----------, ---------._ _---------------__ _--- - (
j �Abstraction Coeff 0.20 �
, i
.. _.. ......._____"__..__-.'-'_'-._______,__'_"'____'__._'__'_"-- _-__-___.__-_-____.__.-._.__'_'�_""' _'.'_"J
;-------- --- ;- --- _ _ _ _
- iPervious Area ! 0.24 ac DCIA �6 ac
IPervious CN------�----- 98.00 jD C --j 86 00
�------- ----------=--- -- ---- - -
'Perviaus TC 5_00 min DC TC ( 5.�00 min
'---__------------- _ —
__.:_
+�----- ----- ---- —
;'
M� Pervious CN Calc
__
�� Description ; SubArea , Sub cn
�� Impervious surfaces (pavements, roofs, etc) ± 0.24 ac � 9 0 j 'I
''------- - _. , _ .
'� Pervious Composited CN (AMC 2) 98.00
_ _ . _ _ _ _ . .. _ _
.-------- _ _ _ ___._ __ .. . _. __. _.._ _ _
�r Pervious TC Calc '�
- --------- ------------- - , Coeff � Misc , _ _,I,;I, -
Type Description r Length ' Slope � � ��
--- - -- - --- . _-- - -
_
:Fixed � 'S.00 min !
' _ __ __---------- --- � '
: Pervious TC - ; 5.00 min
__---=__--_______-_—___ — - _________—--_- ,
Directiy Connected CN Calc �
'�---------. ._.. -- ;'
----- - - -------- r- --;t
;! Description ; SubArea � Sub cn f;
i�------=------_ ___ ------------ - - --4(
�� Open spaces, lawns,parks (>75% grass) � 0.16 ac j 86.00 �
�
;j_ DC Composited CN (AMC 2} � 86.00 _��
-__----____-_--___- � �
_-_ Directly Connected TC Calc '
� ---- -- ---- ---- __
; Type Description � Length � Slope i Coeff I Misc � TT
�-- ----�- -
- i
'Fixed ;5.00 min !C
------ ----- — —I
Directly Connected TC 5_OOmin �
Record Id: cb37
Design Method , SBUH �Rai Ifan 1 type � TYPEIA !
�
Hyd Intv 10.00 min Peaking Factor ; 484.0(} �
- _.__ ,._.._----,_ _. _-------------'r---- ------- --- --.
;Abstraction Coeff ; 0.20 �
_ _ ---_-------- -- ------�
Per��ious Area 0_04 ac DCIA � 0.02 ac !
: �
__ -_ - ---- -- --- ------- . ---- ---.
Pervious CN 98.00 ;DC CN ; 86.00
--__ - ----- ----- ---- --- ----- '
r-----;
;Pervious TC___ __ _ 5.00 min DC TC j 5.00 min - 1
r�- -----.._,_--- ---- - -
�� Pervious CN Calc ��
Description : SubArea ! Sub cn �i
- -� --��
--- ---------- — -- �
lmpervious surfaces (pavements, roofs,ete) 0.04 ac � 98A0 (i
_ _ __ - -------------- --- - '------ _� ------ �
� Pervious Camposited CN {AMC 2) ( 98: !�
___ - __ - _------ _ , _ . _ _ _.. __
� - ---- --- -----— -- _ _ .
'�' Pervious TC Calc �I
' -------- — -— _..
Type ' Description Length ' Slope ; Coeff � l�lisc � TT ;
_ ----- ___------ -----—,------- —, — �
Fixed � �5.00 min !
- - -- -------------------------- -- ;
r---i:
Pervious TC 5.00 min �i
; �
__ _ _------ ---------------------- ,
Directly Connected CN Calc '.
_ ------- ------------- ;�
__ Description �SubArea ' Sub cn ;�
- ---___ _ -- -- _ _ _ —
Open spaces, lawns,parks (>7�% grass} i d_02 ac 86_00 i;
------------- _-------- ---------- -- — -- �
DC Composited CN (AMC 2) � 86.00 ,`
_------------ -- -------- ---
I;
----------------- ------- �;
Directly Connected TC Cak ( i
- -- ----- --.
Type ' Description i Length ; Slope � Coeff j Misc ;; TT �I
;.Fixed --.-- — 5.00 min �I
_ _ -- ' �
Directiy Connected TC S.00min ',
_ _ . . _ �
--------- - -- �
----.-------- --- - _ .
Record Id: cb38 �
_ _ __ ; i II'
, [)esign Niethod SBUH __;Rainfall type ; TYPEIA f
1 �
Hyd Intv 10.00 min ;Peaking Factor j 484.00 ? ,
_ ---- --- ------�----- � — `
;Abstraction Coeff � 0.20 �
__-_ ------- ----- -�-------
-_- r- �
Pervious Area 0.21 ac :DCIA � 0_14 ac �
- __ - -- ----------�---- ---- —.
Pervious CN 98.00 �DC CN ` 86.00
;
_ -----__------- --__--- �-- ------------------�-- -�
i'ervious TC 5.00 min ;DC TC 5.00 min ±
- --._ ________ =_-- -__--
_----------_------- - � -�'
� �I __ DC Composited CN (AMC 2) _ I 86_00 i;
,
---- -- _
_ ___
�� Directly Connected TC Calc !;
;�---------- --- �-- r--- - -- �
�j Type ; Description ' Length ^ Slope � Coeff ; Misc TT
-- -- -�----- ' - ��
�(Fixed ' ;�.00 min �:
' I:
I � Directly Connected TC � S.00min �i
�
---------- ------ -- - -- - �
Record Id: cb4
----------- -- -___- __- � �
iDesign l��Iethod SBUH ;Rainfall type ; TYPEIA
'Hyd Intv ` 10.00 min ;Peaking Factor � 484.00 �
:
------------- --------------- ---r---------;
;Abstraction Coeff � 020 i
-------------------- ----- ----- -------' - -_
�Pervious Area 0.03 ac �DCIA 0.01 ac
'Pervious CN ---- -----; --98.00 iDC CN ----.--- 86 00 _ _�
iPervious TC i�5.00 min (DC TC 5.00 min E
- --- - +
' Pervious CN Calc
;_
- _- -- ---- ----------- -- ------ , - -�
- -- '
_ __ __ Description SubArea Sub cn � I
Impervious surfaces (pavements, roofs, etc) 0.03 ac ; 98.00 ;;
�� Pervioas Composited CN (AMC 2) � 98.00 ��
;!
�---- --- ----�I
„
� Pervious TC Calc ��
� -- -- r- i'(
;'� Type llescription � Length � Stope , Coeff � N1isc TT �
� Fixed �— �5_00 min j i
---------`— --- Pervious TC ------- . -5.00 min _ i
Directly Connected CN Calc ��
------------�----- {
----- ----- � --------
Description { SubArea � Sub cn �
!;-------------------------------- -------- ,
Open spaces, lawns,parks (>75% grass) j 0.01 ac � 86.00 ��
,
--------- -----------------------
------- ------ -
DC Composited CN (AMC 2) � 86.00 ��
-.----�_--_----__-_ -- __ ___=----__—_'�
------ ---=--------------- -----------------;;
Directly Connected TC Calc F�
=--------- - _-- ----------- --r---- - —!i
: Type Description i Length ' Slope ; Coeff ? 1�1isc TT ''
�:
�-------- �-------- ---------------- --_.----------�,
�Fixed � 5.00 min "
�!
� -----------------:---- --!:
Directly Connected TC 5_OOmin !;
�- ------ _---- --- ----- --------- - - - ---------- ----_�;
Record Id: cb44
_ _._._._ _ ____ _ . .- - -- __.
— ---
� ;D g Method � SBLTH �Rainfall type ��PElA
, _ _
r-----
�Hyd Intv � 10.00.min` Peaking Factor . 484.00
;-- - �
_ --_ _ , .--- _ _
� Abstraction Coeff 0_20
_ _. _
GPervious Area �-0.16 ac � CD IA � 0.00 ac
Pervious CN ; 98.00 !DC CN ; OAQ �
;------ ---- - ____— -- -- '- --- - _�
Pervious TC 5_00 min �DC TC � 4_00 min
_- --- -- _ _ _ - -- -- - ------ --I '
__ __ _- --- - - --- ---- -- - - -- - -�,
' Pervious CN Calc
� _ _ _ -- ---- -- __- _ -- ------ ------�----� ��i
, Description __ : SubArea j Sub cn ` i
�j _ Impervious surfaces (pavements, roofs,etc) O.lb ac_) 98.00 I i'I
;�- Pervious Composited CN (AMC 2) 98.00 � '�
_
r�_- - -
i; Pervious TC Calc '
��
� Type � Description � Length '' Slope I Coeff Misc ' TT
Fixed ---`^----- �-^— ;5.00 min
, Pervious TC � 5_00 min
_ _____----------- - - --- ---- �
Record Id: cl���
_ _--------- _ --- ---- -- � --------
— � ---
Design Method SBITH `Rainfall type TYPEIA '
_.__ . __ __ _ _ ___ --_.. ---- ------------ -- ;-
Hyd Intv 10.00 min Peaking Factor j 484_00
--- ----------------------- --------------
.------ --- , -
'. ;Abstraction Coeff � 0.20 �
- ----- -- ----- - - -- -------
-r--_
Pervious Area 0.07 ac �DCIA 0.00 ac ;
_--------------�__ --- �------ - --� i
Nervious CN 98.00 DC CN ! 0.00 �
,Pervious TC , 5.00 min DC TC 0.00 min �
,_------ ------ ----------------------
__- - -- -- ------- -- �
Pervious CN Ca[c (
�~ Description I SubArea ; Sub cn�}
----------.___---_____ _------------- --------------:- �
; __ _ Impervious surfaces (pavements, roofs,etc} 0.07 ac 98.00 �
Pervious Composited CN (AMC 2) 98.00 (i
�- _= -- __ --- --- ------ - �
Pervious TC Calc
Type Description r Length � Slope ; Coe�ff Misc ! TT
--r------ I
Fixed------------------- � ---- i5.00 min
-- -- --- ------ ��
Pervious TC ; 5_00 min
..
-- Record Id: cb46
i
. _ _-- ------ ___ __ --- - - - _ _-- -- -- -- -______ _ -----
�Design I1�lethod ; SBUH !Rainfali type ; TYPEIA �
- _ ------- - -- : _ . _ -�
;Hyd lntv ; 10.00 min ;Peaking Factor i 484.00
-- ---- - ------.— - �
' ; jAbstraction Coeff � 0.20 �
' _ - _ _ _
�'_____ _ t
,Pervioas Area j 0.13 ac EDCIA �� 0.00 ac
�----- -�------ t . __ . . �
�Pervious CN { 98.00 �DC CN � 0.00
Pervious TC ; 5.00 min ;DC TC � 0.00 min
- ---- -
__ -- _ _ __ �
---- - ---
_ _ Pervious CN Calc �' ,
'� Description ; SubArea ; Sub cn
�� -- - -- -, i�
� Im ervious surfaces avements, roofs,etc '� 0.13 ac ` 98.00
(� P �P ) I _ . �
;:------ f�
i I Pervious Composited CN (AMC 2) '� 98.00
.:
�- _- --- -- - -- —
� -------- --------- - _
_ - - -- -- --- -
' Perv�o��s TC Calc ;;
_ _ _ _._ _ __ --- - ---------------------- -----�'
; Type Description ` Length : Slope j Coeff : Misc ' TT
__ _____ _ __----- _ ___---------------------- ------- --------;
Fixed 5.00 min
.. _ _-_--_----- - - -------- - --- -
-..
; Pervious TC------------------.- -- 5_00 min--- ,;
_ _ _ -----_------ ----- ��
Rec�>rd ld: cb�
_____ -- - -- - - - - -- - _ _
Desi�n 11letho� SBUii ;Rainfall type I�YPE1� .
- ------ ___--_----------------- , ---- -- -
;Hyd Intv 10.00 min ;Peaking Factor i 484.00 i
__._._------ -- —: _ � i
; ;Abstraction Coeff � 0.20 ;
�
�--- - ------------- :- ---: :
;Pervious Area 1.43 ac IDCIA 0.95 ac i
_------- -- ___--------- -
�Pervious CN 98.00 �DC CN ' 86_(}0 ;
� -- - ----. -- —I
�-------------- - ---- - �
'Pervious TC 5.04 min jDC TC I 5_00 min �
---. __._ ___.----------------- -------- �
_ _ --- ---__._ ___------__ --_-------------- ----- -- -,,
�,
Pervious CN Cafc f;
�- -_ - _ . _. _ __ ___ _ - -- - __-- --------r------ �-------�
Description SubArea ` Sub cn '
- - --- - -- ----- -----
Impervious surfaces (pavements, roofs,etc) 1_43 ac ` 98.00 �
.___. _ _ ___ _ -- -
Pervlous Composited CN (AMC 2) 98.00 ;j
`__ - - - ---___..------ --
- ------- ---1:
_ _- __ --- __-- ------ --- — -- ---- --�.
• Pervious TC Calc
�'-____ -- --- ------------- -_ --------� -r----�------- ---i;
Type Descr�ption i Length ' Stope � Coeff i Misc TT i;
. _ _---- - . __ _____ _ - -__- - --- ------- -:
'��ixed 5.00 min
-_ _ - _ _---- -- -- -----_-- ---- ---------- ------------ ----
- Per��i��ts TC 5.00 min
�- _ _ _ ----- -- i
_ _ --- --- ,
� j� Directly Connected CN Caic �i
-- _ —_ _ _ �
� '� D e s c r i t i o n S u b A r e a i S u b r n I
r P _ � � �
— -------
�-M;
�� Open spaces, lawns,parks (>75% grass) 0.95 ac E 86.00 ,
_ _
_,_ _ —
I t DC Composited CN {AMC 2) j 6.00 ��
� --------
--- — ---- -
��--- —-- -- - --- - -- : : _ ;�
!� Directly Connected TC Calc !
Er--------------- ---— -- I�
�i Type Description ; Length Slope � Coeff ' Niisc ; TT �'
I�— - , -
�!Fixed � +5.00 min
�'^ � Directly Connected TC � '�S.OQmin
Kec��rd ld: cb7
____ _ ----- ------- - _---- __- - ----______ ----- ---- -
Design �Iethod SBUH Rainfall type , "T�'PEIA ,
�Hyd Intv i 10.00 min �Peaking Factor � 484_04 �'
� , ;Abstractian Coeff 0.20
Pervious Area ; 0.03 ac aDCIA � 0_O1 ac
IPer��ious CN ; 98.00 iDC CN � 86.00
__, _ __ � ;
; �Pervious TC � S.QO min ;DC TC i 5 0 min
---_—__ _. � ---
----- �;
Pervious CN Calc �
t� �:
'' Description � SubArea ; Sub cn ;
'i Impervious surfaces (pavements, roofs, etc) �0.43 ac � 98.00 ''
, _ _ _ _---- ---------------- ------- ----------.. _
;' Pervious Composited CN (AMC 2} � 98.00
;
;-- ----------------- - -
Pervious TC Caic �
Type Description ! Length Slope i Coeff ' Misc TT �'
; Fixed - — ---�---- --- ------- 5_00 min --;.
� �;
-- — - — -„
'^ Pervious TC 5.00 min !�
;; ;
�---- - — '�
;� Directly Connected CN Calc i!
r---- ,
!�---------- .:
�� Description � SubArea , Sub cn j;
i�-------- - �— -;,
i; Open spaces, lawns,parks (>75% grass) ; 0.01 ac � 86.00 ��
i;-------- i�;
3; _ _ __ _ DC Composited CN (AMC 2) __ , 86 00 �;
—_-- _ — — �;
�; Directly Connected TC Calc ��
�- t i,
Type _ Description ; Len��th :_Slope : Coeff r Alisc '_ TT _i!
- — -- ---- -r----
: ;;Fixed ' � :5.00 min ;;
i.�____._..__`__'___-_.___...__'_`_'_.____._--_-._--."_.__-_-- _- _____-_-_-.--�-- -_1 t
_ _ _ ,
----- -- - _ _—.
----- --— �
;� Directly Connected TC � S.00mi��
I
Record Id: cb8
---__ __- ---,
;Desegn Method -------' - u--SBUH ------jRainfall type ; TYPElA ;
,
�— - �---- t
jHyd Intv : 10.00 min iPeaking Factor ; 484.00
_ __ _ _ _ _
� i �Abstraction Coeff ,j— 0.20
-- -
_._._.
�- .
iPervious Area : 0.11 ac :DCIA 0.07 ac
_ __ __ _ _ __..._ __ .. ._. _
;Pervious CN � 98.00 iDC CN `; 86.00
;Pervious TC � ' S.00 min �DC TC � 5.00 min
;
_ . __ _ �
---- -- - - . _ _ .. _ i
r-------- --
:�� Pervious CN Catc �
;�- ---- -- ---- -- ----- --
'� Description ' SubArea � Sub�;
__ __ - --- ____- -_.- ---- ----------- -- ----
Impervious surfaces (paveinents, roofs, etc) 0.11 ac ; 98.00 !�
- - - - -- - --------- ---
:�
---.-- -�
Pervious Composited CN (AMC 2) � 98.00 E;
;=— --- ------- -- I
,--=----_ -__---_ —
_ ,
' Pervious TC Catc �i
-----__ - __--------____------_--
::
- -- ---- --- -:�
Type Description ` Length Slope ; Coeff � Misc TT !;
----- ----- '--- - - ---- - -"
;;Fixed- -- - � 5.00 min fi
� � Pervious TC 5.00 min �i
;= - _ - - - __ _ _;�
�� Directly Connected CN Calc '
�' -- - i j
,f--------- � �;
r i Descriptio� � SubArea j Sub cn ;i
��-----
fj Open spaces, lawns,parks (>75% grass) 0.07 ac � 86.�00 i�
i;— DC Composited CN (AMC 2) � 86.00
-
- --- -- �I
�---- - _ -
� Directly Connected TC Calc ��
'--- - r- Il
,� Ty�pe Description ; Length Slope � Coeff Misc TT ��
;iFixed- _ _ --- ----- -- -- ;5.00 min �)
,. ; �
�----------__ _-------------------------------
-_---_ -__-_ _ - ____ Directly Connected TC — _ S.00min �
Record Id: cb9
----------_ _-—-- ------------- �----- --- --�---,
;Design Nlethod SBUH �Rainfa{I type � TYPEIA
..—---------------;----- ------_---- _---------
----.- -- -�
�Hyd Intv 10.00 min ;Peaking Factor ; 484.00 :
�
:------__--- -------------�-_------ - - - — i
; iAbstraction Coeff � 0.20 �
- - -- - _-
---- - -
;Pervious Area I 0.02 ac iDC A ,` 0.01 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'
t- - ----
_ __ .....
.j Description ! SubArea Sub cn �i
__ _ -
Impervious surfaces (pavements, roofs, ete) 0.02 ac , 98 ;
Pervious Composited CN (AMC 2) � 98.00 �'
_ --------------- '�
_ _-- --- -- - -_ _- - -- _-- ----- -- - �
-- _ _._ -- --- -- --- --------
Pervious TC Calc �'
,; ��
-- ------------�---- ------ i
' Type . Description ' Length Slope : Coeff' ; l��iisc ' T"I' �'
�;
`Fi x ed - -------------- �5.00 mi n i`
� � 11
�
�,_�-- - ----_--__ Pervious TC-�- _-- -- -- - 5.00 min �
Directly Connected CN Calc I'�
:- -- - ---------- --- -------- --_ ---- -------,--- -- -!I
' Description ; SubArea ; Sub cn �;
; _ 1
!E O n s aces, lawns, arks >75% rass � 0.01 ac 86_00 ;;
_ Pe P P (__ g ) � .;
�` DC Com osited CN AMC 2 86.00 ��
�t p ( ) i '
�-- - - ��
- -- -- : _ ;
:- Directly Connected TC Calc
;� Type ^ Description f Length ' Slope^i Coeff � Misc TT
.--------- --�---- - ---
�Fixed 'S.00 min
------ -- ------------ --- =- r
Directly Connected TC S.00min �
i
Layout Hydrographs
Hydrograph ID: pond - 25 year
Area 11.5300 ac ` Hyd Int "10.00 min !Base Flow�
-- _---------- ------------------------ ------- _
�Pending tt translation :4_60 min
------- ---_-------� -: - --------
;Peak tlow 7.8951 cfs :Peak Time '8.00 hrs Hyd VoI j2.70S9 acft ,
--- -__---------_.__---___ ----- --____- ---_._, rF1ow (cfs
:Time (hr) Flow (cfs) ;Time (hr) ;Flow (cfs};Time (hr) ; j '
: 0.67 0.0063 ^ 8.67 ; 3.3895 i 16.33 + 1.1438
i 0.83 ` 0.0466 � 8.83 ; 2.8695 j 16.50 ; 1.1444 '
, 1.00 ' 0.1100 � 9.00 j 2.8815 � 16.67 1 1451 �
-- _ r---r--- ;
I.17 : 0.1838 r 9.17 ` 2.5301 � 16_83 � 1.1457 i
~----1.33 ^ 0.2555 � 933 ' 2.1759 � I7.00 ': 1.1464 �
,_ _-- ---------- -------- -- �----�
l.�0 ' 0.3073 9_50 2_1819 ' 17.17 � 1.1087
_ - -_ _._. _ - - - � ---- --- ._-- ----- -
-----
1.67 � 03645 � 9.67 � 2.0780 � I733 � 1 A711 �
r I.83 -_ _0.4171-- ;� 9.83 E 1.9735 i 17.50 ; 1 A716 �
�------ _--- -- �
2_00 � 0.4522 t 10.00 � 1.9778 � 17.67 � 1.0721 j
t 2.17 ----.- 0.4990 � 10.17 � 1.8718 � 17.83 i 1.6 ;
�2.33 0.5430 r 10.33 � 1.76 25 18.00 ;F 1.0732 �
I 2.50`. 0.5678 ; 1� 0.50 i 1.7683 18.17 1_0353 ;
� � ,
� r---i
I 2.67 � 0.5891 � 10.67 j 1.6975 18.33 � 0.9974
-=r-=- . _ �_ �
; 2.83� � 0.6077 �I0.83 j 1.6264 � 18.50 �� 0_9978 r
r _ __ _ _ ;
i 3.00 0.6239 f 11.0(1 � 1.9 i 18_67 � 0.9983 �
---
_ __ _ _
r--- r---
�3.17 : 0.6381 ; 11.17 1.5942 18.83 .� 0.9987 j
. _ _ _i
� 3.33 0_6507 '•: 1133 � 1.5593 .j 19.00 �0.9991 �
� 3.50 � O.b643 ; 1 0�� 1.6 9 17 � 0.9611 f
�
' 3.67 0.7060 ; 11.67 ; 1. 25 6 � 19� 0.9 '
�-----�------; �- --
! 3_83 ' 0.7493 ; 11.83 � 1.4909 ; 19.50 j 0.9233 ��
_ _ ----- - --------_---------- �--
4.OQ 0.7701 : 12.00 i 1.4927 : 19.67 i 0.9237 ;
4_17 0_8374 : 12.17 r 2.4571 ; 19.83 0.9240 :
Y 4.33 09055 ' 1233 i 1.4213 ; 20.00 ; 0.9243 '
. ,
------------------�- - -
, 4.50 ' 0_9268 ; 12.50 � l.4229 � 2Q.17 � 0 9 42 7 �
! 4.67 ^ 0.9976 : 12.67 � 1.3869 i 2� 0.33 0 9250 �
' 4.83 1.0693 � 12� 1_� 3507 i 20.50 E 9 `
�
,-SAO ' 1.0907 � 13.0(} ! 1.3521 E 2�0 9256 i
----------- ' ' - �---
�
5.17 ' . 1.1648 `; 13.17 �1.3533 �20.83 ; 0.9260 ;
^ 5.33 1_2394 ; 1333 (� 1.3546 � 21_QO � 0.9263 �
�-_ �_ _
j 5.50 I.2608 ; 13.50 i 1.8 21.17 � 0.92b6 �
! 5.67 ' 1_3375 j 13.b7 t I.3193 21.33 t 0.6 j
�---5.83 ^ I_4146 ! 13.83 1.2827 � 21.50 0.9272 '
� --6.00 --- 1.4357 ; 14.00 � l.8 j 21.67 ; p.�i
----6.17 l_5736 ' 14.17 � 12848 � 2 8 f 0.9278 `
�;
'_.-6.33 1.7135 '-- 14.33 1_2859 � 22.00 ': 09281 �
-- ---- - __ _ _.---__- --------------�-- -�-- --'
6_50 1.7371 : 14.50 1.2869 : 22.17 ! 0.8897 �
'. 6.67 1.9438 ; 14_67 1.2499 � Zr 2.33 �0.8513 �
6.83 � 2.I S36 � 14.83 ; 1.2130 ; 2 5-8515 ;
7.00 2.1819 � 15_00^� 1.2138 � 2�(� 0.8518 i
7.17 2 4319 � 15_17 --"-1.2146 � 22.83 ; 0.8520 ;
�------------------- ------ -------�-
' 7.33 2.6854 : 15.33 1_2155 " 23.00 ; 0.8522 �
_ ___ .__._�_ __�__ -----__ ---- -----__ .-.----_ - __,__
; 7.50 ; 2.7183 ; l 0 I.2163 t 2� � 17 — 0_8525 � �
:_ 7.67 ' S_1832 i 15.67. ; 1.9� 2333 j 0.8527 � .
.-- ----
' 7_83 7_7246 s 1 8 1.1417 23.Sfl j 0_8529 j �
- - I
. 8.0(? 7.8951 ; 16.00 I I.I424 4 23_67 � 0.� 8532
--- — - ,— —�������,
8_17 ; 5_9172 ; 16.17 1.1431 23_83 � 0.� 8534 j
--- --- -- --r-----,�,---� � i
; S_33 3.8755 " 16.33 ; 1.1438 24.00 '� 0.8536 j
--- ---- �— -�
8.SO 3.9027 16.50 � 1_I444 � 24.17 I �
- _- - _ _ _- --- � 0.4269 I
__.____ +..t._.�� _ _ _ __ �r •-
Licensed to: Barghausen Engineers II
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6.0 SPECIAL REPORTS AND STUDIES
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6.0 SPECIAL REPORTS AND STUDIES
There are no[cnown special reports or studies prepared for this project.
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11189.001_doc(1P]/dm/tep)
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7.0 OTHER PERMIT5
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Other pernuts include:
• King County Grading Pernut
• City of Renton Grading Pernvt
• City of Renton Building Permii
• Water Extension Developmeot Agreement
• Sanicary Sewer Development Agreement I
1 1 189 OQl.doc�1F'l/dm/tep)
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8.0 ESC ANALYSIS AND DESIGN
8.0 ESC ANALYSIS AND DESIGN '
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� The wet/detention proposed for this development will be the fust order of construction such that ��
the entire site once graded and cleared can be routed into the wet/detention pond. This will act as
a sediment pond, trapping sediments on-site and preventing erosion from occurring on-siie and
sedimen[ation 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 sedimenc be
tracked off-site from truck hauling activities and the site shall be sprinkled with wa[er during the
summer months should dust controt be a problem on the site. Cover measures will be institvted
for any areas left unworked over the time altotted by King County and the City of Ren[on.
1 1189.001.doc[]PJ/dm/[ep)
Appended on: 11:34:11 Thursday, March 18, 2044
11189site east graded Event Summary
j Event ;Yeak Q (cfs);P kea T (hrs)�Hyd Voi (acft) jArea (ac);�Me h iRaintype�
,�6 month �0.4798 � 8.00 �0 1 088 3.2500 SBUH �TYPEIA 1
- �� I
_ _ :. -
�2 year 1.0549 8.00 0.3629 3.2500 SBLTH ;TY E!
;
I 10 year ; 1_6545 f 8.00 0_5534 3.2500 ; SBUH �TYPEIA �
�25 ear �2.0748 8.00 0.6882 3.2500 SBUH #TYPEIA �
� Y _ � �i �
'100 year;. 2.4730 8.00 0.8171 3.2500 i S UB H TYPE l A �;
Record Id: 11189site east graded
;Uesign Nlethod _ _ SBLJH �Rainfall type _ � TYPEIA I
�Hyd Intv _ _ _ 10.00 min �Peaking Factor _ i 484_00 _�
, �Abstraction Coeff i 0.20 i
�Pervious Area i 325 ac �DCIA � 0.00 ac
lPervious CN � 91.00 DC CN � � 0_00 '
�
jPer �v ous TC 5.00 min ,DC TC j 0.00 min i
�
' Pervious CN Calc �
! +!
Description SubArea Sub cn �
_ _ ' I(
� Newly graded area 325 ac ; 91.OQ
i
j Pervious Composited CN (AMC 2) t 91.00
Pervious TC Calc
�� Tr ype ; Description Length ; Slope ; Coeff Misc " TT
� Fixed ' ;5.00 rrtin
j j- Pervious TC � 5.00 min
Licensed to: Barghausen En�ine�rs
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Z�b Q �G .aC �f0 r �f�K��l� �vl,R,�'!9 trE �./4 l�7" i�i3r� �?f )2�5 y
�iQd � JC /.43��-.� _ ��-� �� = �U�a//> SN���L.G.�3iP_���
� Q2�F��.� R,��.�_ ���Z�,�cs O.b,r 360o i �'-� _ �S
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9.0 BOND QUANTITIES, FACILITY SUMMARIES,
AND DECLARATIONS OF COVENANT
9.0 BOND QUANTITIES, FACILITY SLTMMARIES, AND DECLARATION OF
COVENANT '
Should any of these be required by the CiEy of Renton they will be prepared at that time as the
Finat Technical Information Report is prepared.
I 1189.00I.doc(JP3/drdtepl
10.0 OPERATIONS AND MAINTENANCF
MANI)AI�
�'
10.0 OPERATIONS AND MAINTENANCE NiANUAL I
An Operations and Mainteuance Manual for this project will be submitted with the Final
Technical Information Report once all of the parameters of the site are known for maintenance
requirements. �
11189.00l.doc�JPJldm/tcpl