20508 85TH PL W.PDFIIIIIIIIIIII
8081
20508 85TH PL W
ADDRESS:
TAX ACCOUNT/PA-RCEL NUMBER: Q (p 00C) 0 L
BUILDING PERMIT (NEW STRUCTURE): 0? — (--) 4 ?c 2 V
COVENANTS (RECORDED) FOR:
— g, DETERMINATION: 0 Conditional Waiver 0 Study RequireXWaiver
CRITICAL AREAS: T- Q
DISCRETIONARY PERMIT #'S:
DRAINAGE PLAN DA
PARKING AGREEMENTS DA
EASEMENT(S) RECORDED
PERMITS
PLANNING DATA CHECKLIST DAT
SCALED PLOT PLAN DATED: p I
SEWER LID FEE $:
)b/ I b 16
SHORT PLAT FILE:
SIDE SEWER AS BUILT DATED:— /C)
SIDE SEWER PERMIT(S).#: qq
GEOTECH REPORT DATED:
STREET USE / ENCROACHMENT PERMIT #:
WATER METER TAP CARD DATED:
LID #: 110/
LOT: BLOCK:
I
LATEMP\DSrs\Fomis\Street File Checklist-doc
CA FILE NO
WEritical Areas Checkli#
----------------------- 7 --------------------------------------
Site Information (soils/topography/hydrology/vegetation)
I Site Address/Location: 0 PL
2. Property Tax Account Number: 000 ua --I C) -C)
3. Approximate Site Size (acres or square feet): 0 0 0 F.
4. Is this site currently developed? �/ yes; —no. -
If yes; how is site developed? �sMAL(,_ H-M)IS-C
5. Describe the general site topography. Check all that apply.
vl'*'— Flat: less than 5-feet elevation change over entire site.
Rolling: slopes on site generally less than 15% (a vertical rise of I 0-feet over a
horizontal distance of 66-feet).
Hilly: slopes present on site of more than 15% and less than 30% ( a vertical rise of
I 0-feet over a horizontal distance of 33 to 66-feet).
Steep: grades of greater than. 30% present on. site (a vertical rise of I 0-feet over a
horizontal distance of less than 33-feet).
Other (please describe):
6. Site contains areas of year-round standing water: Approx. Depth:
7. Site contains areas of seasonal standing water: Approx. Depth:
What season(s) of the year?
8. Site is in the floodway floodplain of a water course.
9. Site contains A creek or an area where water flows across the grounds surface? Flows are year-
round? /J 0 Flows are seasonal?
(What time of year?
10. Site is primarily: forested meadow shrubs mixed V/
urban landscaped (lawn,shrubs etc)
11. Obvious wetlan'd is present on site:
......... .................
77.777 --------------- -------------------- ------------ For.City. Staff Use Onlyn----
Site is ZomO 12,
SCS d s*01 I:p type s
rqappe, � .(
^ca_chk.doc; Rev 10/03/97
City of Edmonds
CRITICAL AREAS CHECKLIST
The Critical Areas Checklist contained on this form is
to be filled out by any person preparing a
Development Permit Application for the City of
Edmonds prior to his/her submittal of a development
permit to the City.
I
The purpose of the Checklist is to enable City staff to
determine whether any potential Critical Areas are, 'or
may be, present on the sub ect property. The
information needed to complete the Checklist should
be. easily available from observations of the site or
data available at City Hall (Critical Areas inventories,
maps, or soil surveys).
An applicant, or his/her representative, must fill out
the checklist, sign and date it, and submit it to the
City. The City will review the checklist, make a
precursory site visit, and make a determination of the
subsequent steps necessary to complete a development
permit application.
Please submit a vicinity map along with the signed
copy of this form to assist City staff in finding and
locating the specific piece of property described on
this form. In addition, the applicant shall include
other p - ertinent infor m-ation (e.g., site p*lan, topography
map, etc.) or studies in conjunction with this Checklist
to assist staff in completing their preliminary
assessment of the site
I have completed the attached Critical Areas Checklist and attest that the answers provided are factual, to the
best of my knowledge (fill out the Appropriate column below).
Owner�/Applicant:
- L(mOtq
Name
Street Address
K I �X-LA-N-O A W A - WO:? I
city Stat� Zip
Y�2 S- - E 2-1 7
Telephone
i—griature
Date
creception\janakaddoc
Applicant Representative:
Name
Street Address
city State Zip
Telephone
Signature
Date
(over)
1,7 -C
. 1 B(4�3
Linda Sue Vogel
13825 70th Avenue NE
Kirkland, WA 98034
Subject:
Dear Applicant:
CITY OF EDMONDS
121 5TH AVENUE NORTH - EDMONDS, WA 98020 - (425) 771-0220 - FAX (425) 771-0221
DEVELOPMENT SERVICES DEPARTMENT
Planning - Building - Engineering
October 25, 1999
Determination regarding Critical Areas Checklist # 99-286
BARBARA FAHEY
MAYOR
Enclosed please find a copy of the Critical Areas Checklist you submitted. The "DETERMINATION" reached by the City
is located on the reverse side of the form (bottom of page).
It is very important for you to retain a copy of this Critical Areas Checklist "DETERMINATION" for your records.
........... ........
......................
.......... ...... ...... ............... .......
...........
............................... ....... ............
PLEASE EXAMINE THIS" DETERMINATION" FOR ADDITIONAL REQUIREMENTS. YOU MAY NEED TO SUBMIT
ADDITIONAL INFORMATION SUCH AS AN ENVIRONMENTAL CHECKLIST OR CRITICAL AREAS STUD
The 'DETERMINATION' for the Critical Areas Checklist you submitted is a site -specific determination not a
project-speci�ic determination.
You must submit a copy of the CRITICAL AREAS CHECKLIST and DETERMINATiolv WITH ALL
PERMIT APPLICATIONS or YOUR APPLICATION WILL NOT BE PROCESSED. _41111111
Permit applications include the following:
Enc: Determination
* Architectural Design Board
C:ReceptionUana\CRLTlR.doc
Building Permits
Conditional Use Permits
Subdivisions
Variances
Applications to the ADB* Land Use Applications
Any other development permit applications.
Thank you.
Planning Secretary
Incorporated August 11, 1890
Sister City - Hekinan, Japan
PLANNING DATA
NAME: r,,4cl . C7- jgg_!��,jj L__) r!-. f - DATE: [ 0 - 11 Co - 0 -s?-
SITE ABDRESS: 9 L C9 r_�) (i) F" E, S PLAN CHK#'n
PROJECT DESCRIPTION:
REDUCED SITE PLAN PROVIDED?(fFal'/Nol
MAP PAGE:�;'-(D E> CORNER LOT: LYes t FLAG LOT: (Yes
Ep
ZONING: P-%- I -a- CRITICAL AREAS DETERMINATION #: 9P -C,
L3 Studv Reauired:
Waiver
Conditional Waiver
SEPA DETERMINATION:
LJ Fee
Checklist
L3 APO list w/ notarized form
L3 (Needed for 500 cubic yards of grading, Shoreline Area- site within 266 ft. of Puget Sou n*d or Lake Ballinger)
21 Exempt
SETBACKS:
Required Setbacks:
Street: Ql�)' Left Side: lo' Right Side: i Rear: a!!)*
Actual Setbacks:
Street: Left Side: Right Side: Rear: t C)q
Street map checked for additional setback required? (Yes No I DN
U DETACHED S T*RUCTURES:
U ROCKERIES:
FENCESITRELLISES:
BAY WINDOWS / PROJECTING MODULATION:
13 STAIRS/ DECKS:
PARKING: Required: �L ActuaI:.'_-:!' 2—
LOT AREA:.Q-4 , 022
LU I UUVr.KA(jt::
r\_1
Af
BUILDING HEIGHT: f j
Datum Point: F, ace- "&4 r_YZ_*A -r-, jagr=- FZ. Datum Elevation: (Cx::)
Maximum Alloweddaj"5 1,Z), =Zual Height: '11,19 15 Q I I (aJ . -7
A.D.U. CREATED10 �/Yes
SUBDIVISION:
LEGAL NONCONFORMING LAND USE DETERMINATION ISSUED: ffes�ft
Plan Review By:
10c) - 10
100. -7
too. -7 6
4- _-
too - 0'0--�-
NewBPPIanningDataForm.D0C
EP,4 R,
PERMIT NO: 9707
"I".
City of Edmonds PERMIT EXPIRES U)1t&1J4#c
cirnrQUAV-1171D PVDX411rr
Address of Construction: -?.,o 5-0 8 LID #
Property Tax Account Parcel No.
Attach copies of all access and utility easements Verified and Approved b
Owner. and/or Contractor: KOAT4 6vz5T NVIv- 60",
Contractor License#: -Building Permit#:
,KSingle Family
0 Multi -Family (No. of Units
F1 Commercial (No. of Units
F� Public
Invasion into City *Right -of Way: 0 Yes No
*RW Construction Permit #_ '
Cross other **Private Property: El Ye's No
"Attach legal description and copy of recorded easement.
Owner or contractor signature and acknowledgement statement: V_1___
By signing for this permit I certify that I have read the City's public handout entitled
Side Sewer Specifications, and shall comply with all City requirements outlined therein.
I lz41c)3 .
Date\ . I "\
W CALL DIAL -A -DIG (1-800-411-T'75555) BEFORE ANY EXCAV , ATION W
2r
FOR INSPECTION CALL 425-771-0220 extensiolfirA eir
24 HOUR NOTICE REOUIRED FOR ALL INSPECTION REOUESTS
. . . ..... ...
FOR OFFICE USE ONLY'
Permit Fee Repair Fee $ Issued By
Trunk Charge $ Date Issued:— 1jZ_4V1,0t
Assessment Fee $ Receipt No:
City Permit Surcharge Fee $5.00 Total Fees Paid $
NOTE: IF JOB SITE IS NOT, READY FOR INSPECTION WHEN
INSPECTOR ARRIVES A $45 RE -INSPECTION FEE WILL BE CHARGED
-Job Site Ready YES NO Date: Initial:
Partial Inspection: CMN(+J&q __Date: Initial:
Partial Inspection: —Date:— Initial:
FINAL INSPECTION APPROVED: Date: 311�510!:> Initial: V As -built to Street File: E]
1,� PERMIT. MUST BE POSTED ON JOB SITE '6-
White Copy:'File Green Copy: Inspector Buff Copy: Applicant
L;temp;bldg;forms-,sspertnitjlg4/00
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9
CITY OF EDMONDS F-A �T-E-R-LINZ LAS- BUILT
ADDRESS HOMEOWNER
20508 85TH PL W
CONTRACTOR SCALE
NORTHCREST DEV. NTS
DATE DRAWN WATERLINE
1/29/0,3 BY 1. ABILA NO, 2002-0924
0
ED*
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5' deep
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REPAIR
CITY OF EDMONDS SIDE SEWER AS- BUILT
ADDRESS
20508 85TH
HOMEOWNER
DATE DRAWN
1/24/03 By 1. ABILA
PL W I SCALE NTS
CONTRACTOR
NORTH CREST DEV. CORP
PERMIT
NO. 9707
k .
ASSOCIAYE S
4 k*7 4 6
JA-)
F. 0 1
__ TAU & ASSOCIATES5 INC.
EZeohnicaf 2 rig ineering
Enq�neering Geology
October 22, 2002
Mr. Rick Klemm
:North Crest Development Corp,
R 0. Box 340
Edmonds, WA 98020 CIT-V po
k, PY
Dear Mr. Klenun:
Subject: Geotechnical Investigation for Soil Bearing Capacity
Proposed Single -Family Residence
20508 — 85"' Place. West
Edmonds , Washington
L&A Job No. 2138
INTRODUCTION
(Z�01)
RECEIVED
OCT 2 � 2002
PERMIT COUNTER
.. . ........ ......
Earth Sciorjri3
. . . .........
At YOLIY request, we bave, Completed a geoteclinical inv"�tigation for soil bearing capilcity of t1le 1(.)t,-It
(lie. above address oil wbieli a single-fainily residence is proposed. Presented in this letter are our
findings, conclusions and recomniendations.
SURFACE CONDITIONS
The general location of the sub�ject lot is shown. on. Plate I — Vicinity Map, attaehed to tl)i,.; letter.
The ground wiEbi.n the lot is very ge.atly sloped. A pre-ex.isting house on. t.fle, lot has bee.ii domolishod
and its foundation system renjoved.
GEOLOGJC SEITING
The Geologic Map of the Edmonds East and art of the Edmonds West QuacLrAi
_W'a-shi.np toil,
by James P. Minard, published by U. S. Geological Survey in 1983, was referenced -for the gcolo(,je
and soil condhions at the site. According to this publication, the, surficial soil tinit is niapped as
19213 Kenlake Place NE Kenmore, VVA 98028
Phono (425) 483-9134 Fax (425) 486-2746
0
C; ASSOCIATE:-=.. 4 "D 46 P. 0 2
LO 0
October 22, 2002
Mr. Rick KlemniiWonh Cre�t Development
UA Job No. 2138
Page 2
Vasbon Till (Qvt) deposit, III tile Jovveraxcas a few hundred yards to tile sotith and cast ofille lot, Ile
Vashori Till underlain by all Advance, Wtwash (Q,,a) soil Unit.
The Vaslion Till was deposited directly by glacial ice during the rnost recent glacial period a.5 it
advanced over an eroded, irregular surface of older formations and sediments. it is a. Illixttil-c! of
imso'rted clay, silt, sand, gravel, and scattered cobbles and boulders. Gene'rally, the top tw(-) to I-1ve
feet of tfie till is usually weathered to a medium dense state vvith moderate pern-icability,
tinderlying fresh till, conirrionly referred to as "hardpan", is very dense and of extremely low
per.meability.
The Advance Outwash consists of stratilied sand arid gtavel with minor allIOUnts of -silt and Clay,
deposited by the moltwater of advancing glacial ice. It generally underlies glacial till. j-)jje t(-, its
grankilar coniposition, the Advance Outwash is of moderately high permeability and gencrally dmins
well, The Advance Outwash is glacially overridden and is generally dense to very dense in its
natural, undisturbed state. It can stand ill steep cuts or natural slopes when undiStUrbed. The
Advance OLI(wash in their native, undisturbed state can provide very good foundation support with
littlo settlement expected for light to moderate residential structures.
, UBSURFACE CONDITIONS
Three shallow, hand -dug pits were excavated oil the lot to explore the soil conditions at tho lot, 'nle
pits eacountered about 20 to 30 inches of brown, med W rn -dense, fine to meditim saild %vitlia trace of.,
gravel. Underlyilig the surficial brown sandy soils is a tan to light -brown, dense, gravelly, fine to
modium sand deposit fitting the description of the. Advance Outwash. GroundwAter .vas not
cncouji.tored by the pits,
LIU & ASSOCIATES, INC.
A S S 0 C I A T r= S; 48 46 P. C13
Lie 4
October 22, 2002
IMr. Rick Klenml/North Crest Development
L &A Job No. 2139
Page 3
RECONIMENDATJONS
Conventional footing foundai ions may be used for suPPoiling the home to be constructod o.t) the lot,
The footing foundations should be placed on oT into the tinderlyiog, dense., tan to
gravelly, fine. to medium dense sand deposit, Water should not be allowed to accuti-mlato ill
excavated footing trenches. Disturbed soils in footing trenches Should be completely removed or
thoiclughly re -compacted prior to pouring Concrete for the fc)otings,
If the above recommendations are followed, otir recoo.imended design criteria J'or footinc,
foundations are as follows:
Allowable- soil bearing pressure for footing fbundations, including dead and livt� loidq,
should be no greater than 3 ' 000 psf. The footing bearing soils should be verified oil -site by a
geotechnical engineer after the footing trenches have been excavated and before the fi_)otiiij,,.5
are poured.
The minimum deptli to bottom of perimeter footing,-, below adjacent final exterior gi-adc
sbould be no less than IS inches. The minimum depth to bottorn of the interior fbotkips
below top of floor slab should be no less than 12 inches.
The minimum width should be no less thaii 16 inches for co.n.tinuous wall footings-, ai)d no
less than 24 inches for Individual f30611,a�s.
We are pleased to be of service to you oil this project. Please call if you have any quostions.
Ono, plate attached.
Yours very truly,
L11 - SSOCfATES, INC.
'Ju'j
J. S. (JU lan) Liu,.Pb,D,, P.E.
Consulting Geotechnical Engincer
!�P 0
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1A U & ASSOCIATES, INC. SINGLE-FAMILY RESIDENCE
. ...... 20,908 - 861-H PLACE WEST
Engineering - Engineering (3,0010j',yy - Earth �cienc,5.
EDMONDS, WASHINGTON
JOB NO. 2138
I 6�71E 16 2101 1 P I AT'F I
� Do.
C-i 61 , 4
41 �0\,_\4-- Y-L.F-m��
CQ-e-�,r IDC--V
ZONA
SETBACKS:
FRONT--. -
SIDE gev t 0 C)
REAR
OTHER
HEIGHT
106,
ALL EXPOSED SURFACES TO
BE OVERED WITHIN 2 DAYS
kCCopTABLE TIGJJTLINE
I MATERIAL
SDR �5
SCH 140
N-12 I
1`816 HANCOR
FOOTING L)RAINS NOT
TO BE TIED INTO
DETENTION SYSTEM
WATER & SEWER
INSPECTIONS REQ'D
CALL 425-771-0220 EXT. 1326
CONTp,ACTOFt IS FIESpONSIBa FOR
IqION CON70L AND oRAINAGE
p�
ST
MAXIOUM DRIVAIVA:Y -SLOPE
��OWED 14%
lir
TEMPO I( ONSTRUCTION
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MC� REQUIRED
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RIGHT-OF-WAY CONSTRUCTION PERMIT
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INSPECTIONS REaD
CALL 425-771 .0220 E)(T. 1326
ACCEPTABLE TIGHTLINE
SDR 35 MATERIAL
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8� E14GINEERING
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NOTE:
Install approx. 119 ft. of PWRib pipe it! dredged storm drain ditch along 85t' PLW
Please see existing and proposed grades of ditch shown below. Pipe will be back -
filled and compacted to City Std. Open end of pipe will be angle cutback and rip -
rapped to City Std. Catch basins shown are Type I with grated lids (except for on
site detention, those lids will be solid). Minimum cover over pipe at driveways
will be 12 inches. Please see attached information on PWRib for specs., 10 inch
PWRib has the equivalent flow rating as 12 inch RCP.
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:`..'-PWRib's super-smboth interior wall* provides. an
..Whe n �ou but PWRib to length in the field, its indepen
, . 64� . unsurpassed Manning coafricient of 0.009.-permit-
dent, parallel ribs eliminate the needfor hand beveling
greater ftows.
a routing a gasket groove. Simply saw between any
r
paV of ribs, place ft gasket between the second and
Stwmdmk Pipe Sims Required fouEtp"onit
ft from the end of the pipe, and mark the inser-
third f
tion line between the sixth and seventh ribs.
FWRIb 0-0.009) 8" 10' 12" 15*
'15'
PWRb's role as a sanitary sewer pipe lots you choose
PE (n=0.010) 8- 10' 12*
from a huge variety of fittings to complete virtually any
RCP (6--0.015) 10- IT 15'. -180
storm drainage application.
CNP (n=0.025) 12" 15' 24-
kaft - Okmabon basod an prne *w&V cnOtaff W . a w6d
MfRb's watertighL air -testable, gasketed joints can -
form fully to ASTM D 3212. By eliminating leaky johts,
Completely seamless PWRIb saves time. trouble. and
PWRib makes certain your system will prevent
washouts. Plus, you're assured compliance with EPA
�-monoy. Integral -bell gasket6d joints elminate.the
storm water. regulations.
and handling of separate coupling&
:PWRib's exceptionally light weight allows for nearly
Superior abrasion resistance permits PWRib to with
stand grft and pebbles in storm water runoff far better
' effiartless; handling at a job site. Longer 13'7 and 204pot
than concrete pipes. (For a detailed study of PWRib's
lengths are standard ... you'll make fewer.joints on
abrasion riasistance, call PWPipe and request a copy at
..every job.
Uni-, Bellls.PVC Pipe News, Summer 1992.)
iIPWRibls PVC construction and en!jine� pr6m
PWRib never , rust or corrude.
pmvide greater pipe stiffness than potyeftAene storm-
- - - ," .- _.: .- .:1 .. . . -
tan
drain pipes. Your PWRib stornadrainsystmwill-s. al.
PWRIb meets the demanding. requirements of
to greater soil and highway loading. 4
ASTM F 794 and AASHTO M304 and is listed by
__.'UnIik4 polyethylene stormdrain pipei, PWRIW6-. PVC't:
nderwriters Laboratories, Inc 0
.".._-U.
Is not susceptible to environmitnt4l.stress.
PWRIb Is GnInesved amd tes�ed to meet your most
You ran be coffident thiat RNRU wOrremain
demandind starmdralri task. Turn this pap oiiiii for a
-atop perbmer for decades. --I. Z: 7
complate Short Form Specification.
PVC Is denser than water and PWRlbs ape n-
profile won't trap air in wall pockets. Choose FMRb
and you won't have to fight a pipe that wants to 46W.
In wet conclitiot
@
Mar 07 03 12:03p H B Jaeger Co. 360-568-7506 p.4
0
Description
En Ultra -Rib is an open profile (OP) PVC gravity -flow
storm sewer pipe with gasketed joints. The concentric rein-
forcing ribs girdle the pipe on the true circumference to pro-
vide superior structural capability. During installation, Ultra -
Rib is an easily handled flexible conduit. It works with the
surrounding soil to limit deflection.
ETI Ultra -Rib is available in sizes 8", 10", 12", 15", 18",
21",*24!',* 27" and 30"*. Itisan extruded, seamless pipe,
made from PVC compounds meeting ASTM D1 784.
Proven in workWde applications, Ultra -Rib is the optimized
profile PVC pipe -design, offering strength with economy and
excellent flow rates.
Standards
Ultra -Rib meets or exceeds the requirements of the
following standards:
AASHTO M304M Polyvinyl Chloride (PVC)
Prortle Wall Drain Pipe & Fittings Based on Controlled
Inside Diameter.
ASTM F794
Standard $oecificatfon for Polyvinyl Chloride (PVC)
Abbed Gravity Sewer Pioe and FOngs Based on
Controlled Inside Diameter.
Uni-Sell UNI-B-9 (for 47-15")
Recommended Standard Performance Specification for
Polyvinyl Chloride (PVC) Large Diameter Gravity Sewer
Pipe and Fittings Based on Controlled Inside Diameter
Thermal Effects
Temperature changes have a negligible effect on
Ultra -Rib and can be ignored. Thermal expansion and
contraction are easily compensated for at the gasketed
joints at a rate of 2.8 x 10-6 ins.fin.P F
The soil will moderate the temperature of the pipe walls,
and the ribs will help to dissipate internal heat, acting as
heat sinks.
* Available in 1994
F uct
Hydraulics . 0
The smooth interior wall of Ultra -Rib provides excel-
lent flow rates and resists the build-up of.solids. The long
length of Ultra -Rib pipe (13 ft. laying length) and the
reduced number of required joints yield a Manning flow
coefficient of n = .009 under full flow conditions - the
lowest resistance of any storm drain pipe.
Chemical & Abrasion
Resistance
The chemical resistance of PVC pipe is legendary.
Acids, alkalies, and normally diluted and buffered hydrocar-
bons have no effect on the pipe and its gaskets. Aggressive
soil conditions due to.sulphates. carbonates or sea water
are tolerated easily by Ultra -Rib, as are road run-off and
industrial effluents.
PVC pipe has been subjected to abrasion tests by sev-
eral independent laboratories. These tests prove that PVC
pipe will resist abrasion better than concrete and steel pipe.
Where abrasive flows may be encountered, PVC pipe will
offer exceptional resistance to wear.
PVC's durability ensures that Ultra -Rib will have a long
life requiring little maintenance. Your ETI representative will
be glad to give specific recommendations concerning Ultra -
Rib's chemical and abrasion resistance.
; 0
DATE
CITY OF EDMONDS
CONSTRUCTION PERMIT APPLICATION
OWNER NAME/NAME OF BUSINESS
)L�?( -T I PERMIT EXPIRES
USE PERMIT
ZONE ci,
JO UITE/APT#
AD:RESS7,0T'0!8 - 95"*k X - 0. s
NOR T1+
PLAT NAME/SUBDIVIISION NO.
LOT NO.
LID NO.
LID FEE $
MAILING ADDRESS
PUBLIC RIGHT OF WAY PER OFFICIAL STREET MAP
TESCP Approved
RW Pemdt Required
EXISTING PROPOSED
Street Use Permit Req'd
inspection Required
CITY ZIP
E
W-77 /
REQUIRED DEDICATION Fr
Sidewalk Required
Underl;round
wiring required 1151
3
z
��bL C 115sa-1.
METEI SIZE LINE SIZ
NO. OF FIXTURES
PRV REQUIRED
YES X NO 13
ADDRESS
REMARKS
OWNER/CONTRACTOR RESPONSIBLE FOR iROSION CONTROLAI)RAINAGE
&mm SIMotJ (QQMVnafJ
CITY ZIP
TELEPHONE
11CRYTIJOC- (t4lATM 6)—<fWGL(A6RA0fJ§
NAAME�A:r 64w;
CBL I
ENGINEERING REVIEWED BY
f 14
h—g� 6'
jL,
DATE OZ
a
,7
AD?5.SS., V11
FIRE_ REVIEWED BY D E ILI
CITY dc
0 z
1qb 5 (7, -8 -1 � - VARIANCE OR CU RELIk 6RADB#]'/ INSPECTION BOND
STATE LICENSE NUMBER EXPIRATI N DATE 'REO'D POSTED
13YEs go 1$
4?1,
SEPA REVIEW AREA HEIG
EXE PROPOSED ALLOWED I PROPOSED
PROPERTY TAX ACCOUNT. FARCEL NO. COMPLETE MPT :ALLOWED
EXP Ira
f LOT COVERAGE REQUIRED SETBACKS (Fir.), PROPOSED SET13ACKS (Fr.)
NEW RESIDENTIAL PLUMBING MECH ALLOWED PROPOSED FRONT SIDE REAR FRONT L/R SIDE REAR
COMPUANCE OR 0 e\, 0 f., 481,9) 1 log 3
ADDITION COMMERCIAL: 13 CHANGE OF USE to z
PARKING LOT.AREA lEWeD:B7__: DA
REMODEL 13 MULTIFAMILY SIGN VIDED PLANNING REV
REOD PRO
v-
I FENCE,,',,.
REPAIR GD�UG CYOS X FT) REMARKS
OTHER. -
DEMOLISH TANK
GARAGE o RETAINING WALL FIRE SPRINKLER
z CARPORT ROCKERY, FIRE ALARM
(rYPE OF USE, BUSINESS OR ACTIVITY) EXPLAIN: Is
CHECKED BY OF CONSTRUCTION OCCUPANT,0,)
0 <1 Al &1,97 66" - . :1 'L W%GROUP
- - CAL
13 NUMBER NUMBER OF',� CRFTI
'3 OF DWELLING SPECIAL INSFEC`PK AREA' CCUPANT
M AREAS
0 STORIES Z, I UNITS NUMBER REOL OAD
E
DESCRIBE WORK TO BE DONE &rY S,
REMARKS
PROG14ESS INSPECTIONS: PER 'U13CL I 08/FINAL INSPECTION REOID
M_ Pge 24001 _-_j gLAAAV V
)N
064 : iTtnN(4 L10 "�5755
Description ,FEE Description FEE
Plan Check State Surcharge
kJEA11 SOURCE GLAZING % '�;LOTj&OPE % f6ly
ling-Permit1 I City Su
�PUild 1 . rcharge
PLAN CHECK NO-,) VESTED DATE Fflumbing, 1"L
we Mechanical
THIS PI ONLY THE WORK NOTED. THIS PERMIT COVERS WORKfO
tz BE DONE ON PRIVATE PROPERTY ONLY. ANY CONSTRUCTION ON THE PUBLIC
2 DOMAIN (CURRS, SIDEWALKS, DRIVEWAYS, MARQUEES, ETC.) WILL REQUIRE Grading
3 / 670
I= SEPARATE PERMISSION. Engr. Review
Lu PERMIT APPLICATION: 180 DAYS 10
PERMIT LIMrP I YEAR - PROVIDED WORK IS STARTED WITHIN 180 DAYS Engr. Inspection
SEE BACK OF PINK PERMIT FOR MORE INFORMATION OD
'APPUCANL ON BEHALF OF HIS OR HER SPOUSE, HEIRS, ASSIGNS AND SUCCESORS Fire Review Plan Chk. Deposit
IN INTEREST, AGREES TO INDEMNIFY DEFEND AND HOLD HARMLESS THE CITY OF
2 EDMONDS, WASHINGTON, ITS OFFICIALS, EMPLOYEES, AND AGENTS FROM ANY AND Fire Inspection
It Receipt #
ALL CLAIMS FOR DAMAGES OF WHATEVER NATURE, ARISING DIRECTLY OR INDIRECTLY
FROM THE ISSUANCE OF THIS PERMIT. ISSUANCE OF THIS PERMIT SHALL NOT BE
DEEMED TO MODIFY; WAIVE OR REDUCE ANY REQUIREMENT OF MY CITY ORDINANCE Landscapeinsp. Total Amt. Due
01 % .w
NOR LIMIT IN ANY WAY THE CITY`S ABILITY TO ENFORCE ANY ORDINANCE PROVISION.' 0
1 HEREBY ACKNOWLEDGE THAT I HAVE READ THIS APPLICATION; THAT THE INFORMATION Recording Fee Receipt # Izlv�
GIVEN IS CORRECT, AND THAT I AM THE OWNER, OR THE DULY AUTHORIZED AGENT OF APPLICATION APPROVAL
THE OWNER. I AGREE TO COMPLY WITH CITY AND STATE LAWS REGULATING CONSTRUC- This application is not a permit until signed by the
TION; AND IN DOING THE WORK AUTHORIZED THEREBY, NO PERSON WILL BE EMPLOYED CALL Building Officiall or his/her Deputy: and Fees are paid, and
IN VIOLATION OF THE LABOR CODE OF THE STATE OF WASHINGTON RELATING TO FOR INSPECTION receipt Is acknowledged In space provided.
WORKMEN���NSATION INSURANCE AND RCW 18.27. A
— ?FVCIALS SI E& DATJ I
U
SIW!URE N 0 ENT) DATE SI NED (425) /0_4
41 Iq 01- 771-0220 1)
DATE
A17ENTION Off 1333
IT IS UNLAWFUL TO USE OR OCCUPY A BUILDING OR STRUCTURE UNTIL kmvl�,vj 11x1zAF
A FINAL INSPECTION HAS BEEN MADE AND APPROVAL OR A CERTIFI-
ORIGINAL-FILE YELLOW-INIPE70
CATE OF OCCUPANCY HAS BEEN GRANTED. UBC SECTION 109 PINK -OWNER GOLD -ASSESSOR
04/02 PRESS HARD -YOU ARE MAKING 5 COPIES GREEN - ACCOUNTING
NOTICE:
No a n y OT-a-cc
The information'shown on the attached
map(s) was c(Dmpiled for use by the City Of
lovees and Consultants.
Edmonds) its Emp , kn
Th ' e City of 'Ecim.onds does not - wa rra nt ti IV -
accuracy of anything set forth on t - hese
rnap(�_). Any person or entity -requesting -a
copy should conduct an independent
orm-ation shown on
inquiry regarding the inf'
-map(s), Includ.ing, but not limited to,
ub shown. Such
the lociati.on of any sewer st
sewer stubs may or may- not exist and may
or may not exist at the location shown.
Neither the city of Edmonds nor its
emp'fo-yee's o*r office.rs -shall] be 11a-b-'F-e for the
information given on this rnap(s), nor for
any one representation provided based
upon said map(s).
APPLICATION
for
The City of Edmonds SIDE SEWER PERMIT EASEMENT NO. --- -- -------
NEW CONSTRUCTION El REPAIRS 0 LID NO. ASMT. NO. 7�7!!P--.
OWNER .... P�- ---------- ENCXZ-:!� CONTRACTOR ... ��PEE5 ------- lt'�P�ll PERMIT NO. -4�23�72-
----- ----------------------- ------------- --- -------- ------------ ----- -------------------- - ------ ---------
JOB ADDRESS --- ----------- (:�-D -------------- LEGAL DESCRIPTION: LOT NO - - --- ------- -- -------------------- BLOCK NO - -------- ------ --------------
�-4- r--== - 1/4 C>V= !S - V'l - 1/4 -rV-JF- 2--7 4
F-7wm (fc>- -(-P;t-l=T 2-M Vz;%cx�,V=
---------------------------------------------------- ----------- - ---------------------- --------------------- 11 ------- ---- ..................
I
NAME OF ADDITION ......... --------------------------------------- - - --- ---------------- - ------------------------------
Approved:
DATE .4
------ By
----------------
7 7'77 771 7 7 7
_T71, n77
Rd
CFFY'.'0F �TDMGNIDSi:�` 'Sj1DE,'--SEWERf,,'PE WIT"
'DEPARTMENT-
/ATEWSEW.Mg,
41
% d
X�
PERMIT;
j
-/.,Call -775-2t c BEFORE covering 'any. portion of - the cons!ruction.,%
d6: for: slde,-,-sew�r '-ins�e' tioris:.
Sum
wiill �be,'��,ovljep' hburs,4fteri requst:, 'NO�. Sat;,
or�%olldsy Inspections4f',
j
ION( �OF, CONSTRUCTION..." ..........
6k ' ................. ........... 71" ......
AD ESS: LOCAT ..............
................. ...
_DESCRI0TIOY.-..9 ...................... .....
PROFERTYLEGAh,'-
.... ........... ..... .. .....................................
;j
................ .................. .............. .................... ....... ........................
........................... .................................................... ..................................... .....
................... ::t.; .......
....... .................................................... .... 0WN-ER,AND/ R:*,-BU,-ILbjk._ INJI, "�
...................... ....... ............... ...................... . .
................................ .......
................... I ............. 1 ........................... ................ .......... .........
n_"
��i ...... .tz..f ......... �t .... ;49! ... :l!:., f or" re -pa�"r,airioVoi�.,'conn6ctli)n�,of'im, side se:w'er t "'th'* it, ita isewer
PVC Y�;SF9�
<�'m'�"iiit,'a'c'c'ordanc-o',,,' k*,'�,Aty��bf,'Edfnorids "ordinairfees
Aft,—STION'1S 'CALLED, TO1;THE!FOLLOWING':-
NOTD,Noi, 1---m9�fie owr�er's,,o6'�P', 0 8 4fi 'de� pro�'erty. -line: 6 S d' S
,q Pr4erty-may,- obtahrwe P�rmlt, t `�con'tract sewer.j al AJ c I e ewer,�Contractor',r�uic,be,,eiri�lo§bd�,,�i�,160fi�t;�c
.sidd'sower'in�ACi6'6t,�areic-.. 4)o not �cover-any, portion of :sewer,befor� At �has,;been,- iniiiecte&. A
'Aif, work r�il!6rAld�'Inl cii`y,.-*rIght-of-,way,� reclulres,,anjnvasion� of, tRlght -of-Way Pe'rrnif- ol3tainablej City -E'n1Ine.r,s,.i;Ice'L.;'�
NOTE, No. 2-
Ordinance. 11.1M30,' and�?Regul�Ltibns,, i��e'rnii;�,�sidel�sewers'whe�iy6u�'get p*ermit".
,NOTE, Nor,':3-
N 0' No.,� 4'�To at,.propert , y/. land l'i -insiae'�,i)r
TE!, 'p 30,,_Inch�s.,cove'ra e ;`In&s�, operty,� line;. ni lnlmum��grade:�of; 2%1.,,-,No�t;b6hds;,In�.,gr&dei
shs;rper,than.,1/s*,wIIb 66,p6rmitted.
and -surface--of street restored� �io;,6rlgina1 ;onditlom,. A s for, failure' due)A
i. ,
,NOTE', Nor'&_�Tren'ches,in,:street must ibe�',�vatcrlsettledl' 'Coi�ii'a:ctor hallk be responsiblb 6�,iimprop6r
work.,whi&,ma ' -year of. completion
y develop' w.ithlw one
NOTEL No;`&�It is unlawfuk to`alter.,or.do,.�� 'othe�._�Nvork than isi ro"Ided;'for in" the, permit, or
p v work. on',the main,� sewer. �or, lts��ppi4!0&4�eSr to.'I n-,
serfAhelpipe intor,the wy�. L
................................ ............. By ate ............... . ................... ............
IDISAPPROV!M, `ntj- Date...'": By, .......... ........ I,- D
"PROVE D a 4
..........
D ....... ........... I ...........
........... ........... . ........ G-2
Remarks:-,
.......................................... .............................................................................................................. . .
W.
............................. ................... ......................... ......... .................... ................... .......... ......................................... .........
BOTH Perimit"d Be,, S,ign'ed:.By�b.v��ei',Tbf
t
:."., 6P
(Owner df'.Cont:,.,,:
filled iii auoldafice! with IaV gove'rn''fin'' d
Wt,—Is g.%or inancesf,ofth
Lit ion,
.Y. 0 E Morf, 8� i�'�
Ar
..........
lay
........ .......
phone JED,,. XV
V, EFO E, yqu,dig'. 0,,kyerv, ;SeWpT� �E] ther ig,` V .
The City of Edmonds
APPUCATION
for
SIDE SEWER PERMff
EASEMENT NO - --------------------------------------------
NEW CONSTRUCTION REPAIRS LID NO. ...... . ASMT. NO.
OWNEP, 9054:2
...... --------------------------------- ------ --------------- ----------- CONTRACTOR ----- 6-d-� ------ 4 _t.; - -------------------- ---------------------- PERMIT NO. 07--a-
JOB ADDRESS 4,- LEGAL DESCRIPTION: LOT No - ------------ ------------------------- BLOCX NO - -------------------------------
... ................
F S LV
.............. f ----------------------------- ------------------ /7- ------
c 17 ?, 7 ..........
NAME OF ADDITION. —2n: e...
...... ...... .... r .........................................................................
IFY'7 jU
— Appeved:
DATE............................................ By ------------------------------------------------------------
PLANNING DATA STREETF=ILE
SINGLE FAMILY RESIDENTIAL
Name-
MC.64%*.WC)-.V
Date:
C-09/2
—?W
Site Address:
954L.
TaxParcel: oc).57LILI(
0()000;L-+.00
Project Description: IF.m)-
Plan Check#:
coesk- vde- 4
Reduced Site Plan Provided: cg� NO)
Zoning:
MapPage:
Corner Lot: (YES In
Flag Lot: (YE SAO
Critical Areas Determination #:
0 'Study Required
waiver
SEPA Determination:
Exempt'
El Needed (for over 500 cubic yards of grading)
11 Fee El Checklist 0 APO List with notarized form
Rec7uired tbacks
Street
]!��
Side I
Rear:
�(E)
(
.2-<"
Actual Se
Street:
Side:
Side:
Rear:
Detached Structures:
Rockeries: , None,
11 Fences/Trellises:
J2 Bay Windows/Projecting Modulation: ?cv?v-vd 40wrVIOC-3 CrN ?6.r%S.
El Stairs/Deck: slaerA--
BuIldin ffel t
Datum Point:
Datum Elevation:
Maximum Height Allowed:
Actual Height,
Otl7er
Parking Required:
Parking Provided 3
sM% r% e-x'. ca
Lot Area: Maximum Lot Coverage: 3S% Proptad--�S
A44 ;+;On= 50C)
Lot Coverage Calculatio ns: &.1.A1 =-3 -LT69t poe)
4�;*
ADU Created: (YES /0
Subdivision: P
Legal Nonconforming LandVse Determination Issued: (YES AD
Comments
Plan Review By: Piannl�g Dat3 Form 07-14-09
City of Edmonds
Site Classification Worksheet
Page 1 of 2 47 C. I
The project's Site Classification will dictate the specific stormwater management
requirements applicable to your site. Completing this worksheet will help determine the amount of
regulated impervious surface and whether your project falls into the classificatio ' n of a Small Site
(Category 1 or Category 2), or a NUnor Site. Please reference the Glossm ( P. 10-11), Figures Q and
E, (op. 8-9). and Examples (pp. 11-12). to assist with completion of this worksheet.
1) Is Permeable Pavement' Proposed For Use on this Site?
Yes 1,N N
Refer to Stormwater Supplement Chapter 5.1
If YES, the subject area is to be considered impervious for initial site classification purposes. Include total
permeable pavement area in the calculation of Non -Regulated, Replaced and/or New impervious surface
areas in the table below.
2) Deternune the Amount and Type of Existing & Proposed Impervious Surface for the Site
Refer to Stbrmwater Supplement Chapter 2 and Fig. C
Line 1: Identify the Non -Regulated Impervious Surface Area.
Line 2: Identify the Replaced Impervious Surface Area, dividing the total between Exempt and Regulated; either or both
may be zero. Note: For project classification purposes, Replaced Impervious may only be considered exempt
under certain conditions. Refer to. the Glossary and Figure D.
Line 3: Identify the New Impervious Surface Area for your project. All impervious areas created Post-JulY 7, 1977 or
after the date of annexation into the City are regulated & should be included in this total unless they can be
categorized separately as a Replaced -Regulated area.
Line 4: Enter the sum of the total ReRlaced-Regulated plus the total New impervious areas.
Line 5: Identify the total area currently rnitigated by an existing city -approved stormwater management system.
Line 6: Enter the sum of the value in Line 4 less the value in Line 5 to identify the total Regulated area in which
stormwater controls have not yet been applied.
Line 7: Identify the total area proposed to be mitigated through the use of Low Impact Development Techniques.
Line 8: Identify the total area proposed to be mitigated through conventional Stormwater Management Techniques.
Provide a copy of the following table on the drainage plan sheet for the proposed project
Line
Type
Area (square feet)
Non -Regulated
Exempt
Regulat ed
2.
Replaced
, 1p�iv�ek, .
3.
4.
New (Post 1977) 4 4 4444 4.44
Total Regulated Impervious Area
Mitigation required if in excess of 2000sf
+
21: , All
5.
W ----
6. 1
Total Area Mitigated by Existing Stormwater Management System(s)
-------
Regulated Area Not Yet Mitigated
M1 !�b
7.
1
Area Proposed to be Mitigated by Low Impact Development Techn iques
8.
Area Proposed to be Ntitigated through Conv entional SWM Techmiques
10-2 1 50
I (e.g. porous asphalt, porous concrete, paver blocks, concrete open celled paving grids, or plastic lattices,filled with turf or stone)
Revised on 310512012 E72-SWM.-Erosion_Control-03.05.12.doc RE$UB
OCT 0 7 2014
STREET FILE BUILDING DEPAR4TMENT
CITY OF EDMONDS
0Y ED4.
f
City of Edmonds
Site Classification Worksheet
Page 2 of 2 112C.
3) Determine the Total Area of Land Disturbing Activity
Refer to Stormwater Supplement Chapter 8 46-o sf
4) Determine the Quantity of Grading, Fill and/or Excavation
5) Will the project convert 3/4 Acre or More of Native Vegetation to Lawn or
Landscaped Area? El Yes 4 No
6) Identify the Watershed the Existing Site Runoff Discharges to
Refer to Stormwater Supplement Chapter 2.3
Based on Site Location and Watershed Map - Figure-C. Check all that al)])!Y-.
A. $Direct Discharge B. 0 Creek or Lake Basin
)!QEdrnonds Way Basin
• Puget Sound Basin
• Puget Sound Piped Basin
DETERMINE PROJECT CLASSIFICATION USING THE INFORMATION ABOVE
AND THE PROJECT CLASSIFICATION CHART (Figure B, pg 4)
0 Small Site - Category I XSmall Site - Category 2 'El Minor Site
Stormwater Supplement Stormwater Supplement Stormwater Supplement
Chapter 5 Chapter 5 Chapter 6
Revised on 310512012 E72-SWALErosion—Control-03.05.12.doc
. Page 6 of 12
C=D
C14
w (=)
c(:)
ON fir'? W —
-M�
ADDRMS -P- 0 - 19 0,� 3 �(O
JWAPERVIOus AREA
6
.1 : CA
L3 n'
co co
c= v cl: E
W.0
fi
cm
.� -2:5 E
Am—
c; E
ff
w ca �s .—,m
—#= E E
co
.Ei
fa S�
V5.2
J
r
STANDA4D DRAINAGE DETEN7-,-�N SYSTEM
WORKSHEET
61 hUlflLb ''-I
C,kwBy:
PHONE: L'+�) -7 7
DAM lei L&2:::.
0*4** DESIGN DATA *** **
PIPE 0.1A. PIPE LG ORIFICE
2 -7
FINUHro GRt�; WTENTION PIPC LENGTM
'L MIN IKm
-3x To Ix tLopc
c
or
COW 2ax OR stacit
UPPER CATCH BAS�N L-4f MIN,
MIME
CONTROL CATCH BASIN
SYSTEM CROSS SECTION
W.
p7r)(61,111P, "6' VALU OR 1211AL
Dctp:'3,14' CRUSMED RoCx
ALPJUP VU=r
FROM MNTRM
2 P
RIEW D 20-02
comram CITY OF ED,%!c;,Vo3
I
Ldmm
m
t T
umf%IN QccK
RUNOFF SPREADER. TRENCH
F0077NG DWNS SHALL NOP RECONNECTED TO DETEN77ON SYSTEM
NO TES.-
1- C&H Ensinaorks Divicion (771-0220) fbr it tighdiw and ddmdca system jwpacdoa
befam bar� AM tor final in�m
Z Rwpa=*biHty 1br . opwation and mmintAnonaa ()f dnivWxygom oarivampmParty is the FAAPPR 0 VE D B Y
ra"m'bMV of tho property aww. Mataw &==uww in -&G- stov�p pipe must be mi,shed
OU And fsMovad fit= the mkh bedw to allow proper op'md= 71M outlet contmi adfics
nmt be )mt gow at g1l tigM,
Impermeable
ArQ& Sq. Ft
able I — Detention 'pips SIz99
Required Pipe Diameter
Val Cu Ft
if 240 Zoo
2000
P-500
50
40
28
is
10
3000
62
75
50
as
20
13
.3500
87
60
42
24
is
4000
160
70
49
28
1.8
4500
112
80
90
56,
. P,
32
21
5000
125
100
—3
70
36
40
23
25
Note. Allowable Pipe Materials:
Impermeable
Area So. Ft.
2000
2SOO
3000
3500
4000
4500
6000
Detention
_Elpe diameter
< ISO
IS" to 24'
244 to Sam
381 to 424
a 2 —
Required pipe
length in feet
Reinforced Concrete
20 2, 5- -'3 —Ij
Aluminized Steel
Aluminum
C. I E rj
CMP Asphalt Coated
C, 2 u -Z
=1 13
N — 12 ADS (Not permitted on rcads)j'afog
E E
.Ruj E
eG
E
C-5 =03,
0
W-0
E
Outlet Orifice Diameter. (Inches)
S EO
ci. W-
x
Li �2-s M
C)lg E-220 E:2.j�
J,
5/8
E.
0
3/4
3/4.
Bt 35 ?1
c) Z 'I EL
E;5
7/8
.7/8
C)
1: ',--a C9 5
Table 3 --Re—cta—n9—u-1ar —Ca—tch—Ba—sh—Re—quirements
Max size Catch Basin
knockout Typo
208 Type 1, Ca I s
26" Type!t, CS i.e
36i, Type 11, CS 19 , 19 (48. U,91n)
4211 Type 11, CB 19 .19 (54m Sa sin)
*Source: Assoc. Sand & G.ravel Co. Standards
_17
-7p
S7-
L-4
7i�
z
11
C
t� \
n jo 3,0
:,,A 0
V
v
V A-7
c__
e LA L_
1001
5tj
EW
MAY 3 0 A.'i
DEVELOPML,jy ( bts-4 "
CITY OF EDMoi,,:,
OT
0 1 REptompi FILE
STREET FILE
rl�-� -'W -�'3 � I �
L "- � - - r -, 1
NOV 0 5 2014
BUILDING DEPARETMENI
CITY OF EDMONDS
CATEGORY I SMALL SITE PROJECT
McGillivray Single Family Residence
Detention System Sizing Report
For House Additional and Total
Impervious Area < 5,000 SF
REVISION # 1: September 23, 2014, Respond to City Review Comments
Increase length of Detention Pipe, No credit for storage
in ')-'1'3;pe I catch basins. Add ProJect Classification Chart
Date Prepared: -7uly 23, 2014
REVISION 49: October 29. 2014: Add existing
Site Address: 20508 85th PL W. and proposed inverts to the detention system.
10-29-14
DONNA L BRESKE PE, LLC
6621 Foster Slough Road, Snohomish, WA. 98290
Phone: (425) 334-9980
Email: DonnaBreske @com cast. net
Table of Contents
ExecutiveSummary ......................................................................................................................... I
Project Classification Worksheet .................................................................................................... 2
Cityof Edmonds Watershed Map ................................................................................................... 3
Cityof Edmonds Soil Map .............................................................................................................. 4
Alderwood Soil Hydrologic Soil Type C Table .............................................................................. 5
Detention Pipe Sizing Chart per City Handout #E72A ................................................................... 6
Appendix A: Detention System Design Exhibits ........................................................................... 7-9
i i-
EXECUTIVE SUMMARY
The existing detention system for the house located at 20508 85 th Ave. W. was installed
in 2003 using the City of Edmonds Handout for projects of less than 5,000 square feet of total
impervious area. The total impervious area used to size the detention system in 2003 was
3,950 sf, The homeowners are now proposing an addition to the house.
The soil on the lot is Alderwood-Urban Land Complex. The project is located in the
Shell Creek Drainage Basin. The site is rather flat. Use of splash blocks for LID is prohibitive
since the backyard slopes very mildly toward the house instead of away.
Over the past I I -years the homeowners have installed impervious areas on the site in
addition to the original 3,950 sf These areas include a gravel parking area on the west side of
the house, small garden storage shed, and concrete pavement in the front driveway area.
Presently the total impervious area is: 5.,635 sf consisting of the items below:
3,950 sf for the original construction
1, 110 sf of gravel on the south side of the house
150 sf of small storage shed rooftop
425 sf of added concrete to the front driveway
As part of this project, the gravel on the south side of the house will be removed and
re-established as a grass area. Therefore the total proposed impervious area with the
new addition and re-established grass area on the south side of the house will be 4,979.5 sf.
o 454.5 sf of added rooftop associated with addition to the house
0 3,950 sf for the original construction
0 150 sf of small storage shed rooftop
0 425 sf of added concrete to the front driveway
Since the total proposed impervious area is less than 5,000 sf, the revised detention
system is sized in.accordance with the City of Edmonds Stormwater Detention System
Simplified Sizing Handout, #E72A. Accordingly, additional 18" diameter detention pipe will
be added to the existing 60 If of 18" detention pipe. Also, to be revised is the Flow restrictor,
which will be installed per Edmonds Sid E5.4
The discharge from the system will continue to be routed to the existing conveyance
system in 85th PL. W. The total proposed PGIS, (Pollution Generating Impervious Area), is less
than 5,000 square feet and the strormwater quality treatment is not required.
Figure-B
Project Classification
If you have determined that the Stormwater Management Code
applies to your project (Figure -A), follow the Blue boxes in the chart
below to determine the Classification of your pro*ect.
Does the project involve I -
acre or more of land -
disturbing activity' '?
.No
Is the project part of a larger
common plan of development or
sale where the total disturbed area
for the entire plan will total I -acre
or more of land -disturbing activity?
Does the Project involve one or more of the
following:
2,000 square feet (sf) or more of new
impervious surface, regulated replaced
impervious surface or new plus regulated
replaced impervious surface?
OR
7,000 sf or niore of land -disturbing actipity?
OR
50 cubic yards or more of either grading, fill, or
excavation as defined in Chapter 18.40.000
ECDC?
No
Minor Site Project:
See Storrnwater Supplement
Chapter 6 for specific
requirements
Large Site Project:
See Stormwater Supplement
Yes Chapter 4 for specific
000 requirements.
Does the project create or add 5,000 square feet or
more of new impervious surface, regulated
replaced impervious surface or new plus
regulated replaced impervious surface?
OR
onv rt 3/4 acre or more of native vegetation to
Yes lawn or landscaped area
ZZ:-'r OR
Through a combination of creating effective
impervious stuface and convertedpervious
surfaces, causes an increase of 0. 1 cubic feet per
second in the I 00-year flow frequency from a
threshold discharge area as estimated using an
approved model?
0
Yes
Category 1 Small Site Project:
Category 2 Small Site Project:
See Stormwater Supplement
See Stormwater Supplement
Chapter 5 or specific
Chapter 5 for specific
requirements
requirements
Notes:
Terms in bold italics are described in the Glossary on pages 10- 11. The definitions of the all terms in italics are found in ECDC
0
Chapter 18.30.010 and the Stormwater Code Supplement
The Classification flowchart assumes the project in question meets the applicability requirements of ECDC18.30.030.
Land -disturbing Activity: Any activity that results in the movement of earth, or a change in the existing soil cover (both
vegetative and non -vegetative) or the existing soil topography. Land disturbing activities include, but are not limited to grading,
0
filling, excavation, and compaction associated with stabilization ofstructures and/or road construction.
Revised on 310512012
E72-SVVM—Erosion—Control-03.0.5.12.doc
Page 4 o 12
f
2
N
FIGURE B-1
CITY OF EDMONDS
Auncl'�och.,."
WATERSHED S _1h Rd -
Deer Creek �j Perrinville
Edmonds Marsh 1474 PugetSound
WEJ Edmonds Way Puget Sound Piped
Fruitclale Shell Creek
Good Hope Pond J,_�j Shellabarger
Halls Creek Southwest Edmonds A
HindleV Creek Southwest Edmonds B
Lake Ballinger
Stilthouse Creek
Lund's. Gulch
Talbot Park A
Alleadowdale A
Talbot Park 8
Meadowdale B
Terrace Creek
Northstream
Westgate Pond
Clutfall Creek
Willow Creek
0 1,000 2.000
4.000 6.000
I in z: 2.000 ft
M . .......
d.�K fan,
,,;A\Aeadowdale1
Meadovi;dale'fl;
Rd
168th S, sw
L-----------
V
Outfall CreekStilihouse Creek'�.'.-,,'�-`
Terrace Creek
8.000 t
P�,
errinville
R FW Pupt!iotund
Talbot.
4
luot Park 8
N Fruitdale
SITE.
j
20508 85th PL. W.
196th it SW
4�,
Shell Creek
N
Jt�,;- Northstrearn
Drainage Basin
L D� h �1 S-�
L
H ndl
Good Hope Pond
1061h St Sw
'lliugle't-solund Piped
4
qn1s'MN1r4h'
;hell Creek
3
Westgate Pond Halls Creek wi
I - - - - - - - - - - - - - - - - - - t2othstsw:-��-_ 47;
'Willow Creek
I . 1", 1
1V
F.:" C X. 22411, 51 SW
it 7-
;Deer Creek., ------ '
d w,
W.1h ....... Rd
7"—
Edmonds Way i
Southweit Edmonds'A
-Lake-Ballinger
A 1-�! h it SW
e.!j
S�uth�,est Edmonds 8
W '�51/244th 59 SW -------
it
F i g u r e B - 2
N
__j
A-
it Y of Edmonds
No -
5 o H M a p Units (SCS
1983)
LEGEND,
--- City of Edmonds Boundary
l5w
8 it
Soil M p Un s
1570,
SOIL.NAME
Menvood Gravelly sandy loarn, 2-8 % slopes
A,Jderwood Gravelly sandy loam, 845% slopes
Mderwood Gravelly sandy loam, 15-25 % sl opes
'AJderwood Urban land complex. 2.8 % slopes
Merwood Urban land complex. 8,15 % slopes
Aderwood-Everett Gravelly sandy loams, 25-70
Custer fine sandy loam
Everett gravelly sand loam, 0-8 % slopes,
Everett gravelly sand:oam, 8-15 % slopes
Everett gravelly sand oam, 15- 25 % slopes
'awh
Fluvaquents, tidal
KA::p ::it �Oarn. 0-8 % slopes
>
KK p it oam. 8.25 %slopes
M MrKenna gravelly slit loam. 0-8 % slopes
' Mukilteo muck
�
'kx
U.'3 Pits
Urtionland
0 1.000 200 4.000 6.000 8.000
Feet
'ar,
I in = 2.000 ft
a
No iy of ally son a� fimeu o, mroarit awly —Pany m.s woo-t
'8'
711.
SITE
-a am A, 5
20508 85th PL. W.
"I
i-I". .1 left
'w
kL
Alderwood Urban
Land Complex
401
SR
be
S
M sr, C
lIft
2
A
201.1
F2- Ao,
R
.03
xit
a
2
Q L,
21.
T
TZ.
21
f 1411
1 ii�
71�
"Sa,
c
x
tj
21-
Ilk 21.
�l FW
A
Mh
T.
a.
211 .
2
M Z2
T
I Lw
Vs"
.1
a
1.11 1 �N_
121
Z 228
5r
2-
1 1 42
A
23�.
Al 2� d-
_V
13-
ft
7
a;
23�
24No
4
STORMWATER MANAGEMENT MANUAL FOR THE PUGET SOUND BASIN
Table 111- 1.6 Hydrologic Sail Groups fo% Soils in the Puget Scound Basin
[S.ilType
Hydrologic Soil
Hydrologic Soil
Group
Soil Type
Group
Ag--
C
Colter
C
Ahl
B
Custer
NO
Aits
Dsbob
Delphi
Dick
NO
D
NO
Alderwood
C j
Arents, Alderwood
B
Arents. Everea
B
Dim&]
D
Ashoe
B
Dupm
D
BakthW
B
Earimoug
C
Barociew
C
Edgawkk
C
Baum8ard
B
Eld
B
Beausite
B
ElweH
B
Belfast
C
E&quamol
B
Bellingham
D
Everen
A
Bellingham variant
C
Everson
D
Boistfort
B
Galvin
D
Bow
D
Getchell
A
Briscot
D
Gilcs
B
Buckley
C
Godfrey
D
Bunker
8
Gmeawater
A
Casty
C
Grove
C
Cadsborg
NO
Harstine
C
Casey
NO
Hartnit
NO
Cassolary
C
Hoh
NO
Cathcart
B
Hoko
NO
Centralia
B
Hoodsport
NO
Chehalis
B
Hoogdal
C
Chesaw
A
Hoypua
NO
Cinch"
B
Hu*1
NO
Chu=
C
Wiancla
NO
Claytoo
B
Jon"
B
CouW beeches
variable
Jumps
NO
Kapowlin
CID
KaWoch
C
Katula
C
Rentoo
D
Kilchis
C
Republic
B
Kimp
C
Riverwash
variable
Klaus
NO
Rober
C
Moot
NO
SaLsi
C
LAW
C
Salkum
B
Ubarn
B
Saffunam�ish
D
Lummi
NO
San Juan
NO
Lynnwood
NO
Scamman
D
Lystair
NO
Schneider
B
Mal
C
Seattle
D
Manley
B
Sekiu
NO
Mashel
8
Scmiahmoo
D
Maytown
C
Shalcar
D
McKenu
D
Shano
B
McMurray
NO
Shelton
C
Melbourne
B
Si
C
Menzel
NO
sinclair
C
Mixed AUuvW
variable
Skipopa
0
Molson
B
Skyk*mish
B
Muutzo
CfD
Snahopish
NO
Neff
B
Snohomish
D
Nsrpr
A
Solduc
8
National
NO
Solleks;
NO
Wilton
A
Spana
D
111-1-9 FEBRUARY, 1992
McGillivray Project, DATE: 7-23-14
Table 1
Detention Pipe Look -Up Table
Category 1 Small Site Projects
Ist - square re-ei ___J
Contributing New Plus
Replaced Impervious
Surface Area (sf)
Le gt1h of Pipe (11) For Given Inside Diameter
18-incb
24-inc1h
30-incb
36-inc1h
2,000
41
22
15
11
2,500
49
30
18
12
3,000
61
33
23.
16
3,500
74
38
24
17
1 00
81
45
29
20
4,500
95
49
32
23
5,000
112
56
35
25
Orifice Size:
= 0.5 (1/2) inch diameter UZ13141imb-dimclet
= 0,625 (5/8) inch diameter 0.875 (7/8) inch diameter
Note: Multiple pipes in parallel connected together (manifolded) can be used to meet length requirements, if site has constraints.
im
Table 2
Approved Detention Pipe Material and Catch Basin/Manhole Structure Sizing
Detention Pipe
Inside Diameter WDOT
(inches) Detention Pipe Material Catch Basin/Manhole
18
All ty2es,in,list below table
TX2e IL,C,atch basin
24
All types in list below table
Type 2, 48-inch diameter manhole
30
All Metal & RPP
Type 2, 48-inch diameter manhole
All Concrete & CPEP
Type 2, 54-inch diameter manhole
PVCP
Type' , 60-mch diameter manhole
36
Metal & RPP
Type 2, 54-inch diameter manhole
All concrete, CPEP, & PVCP
Type 2, 60-inch diameter manhole
WDOT - Washington Department of Transportation
List of Approved Pipe Materials for Detention
Metal:
ACSP - Aluminized Corrugated Steel Pipe (Type 2
meets AASTO designations M274 and M36)
ASRP - Aluminum Spiral Ribbed Pipe (16 gauge or
better)
CAP -Corrugated Aluminum Pipe (16 gauge or
better)
DIP - Ductile Iron Pipe (Class 50 or better)
Concrete:
PCP - Plain Concrete pipe
RCP - Reinforced Concrete Pipe
Plastic:
PVCP - Polyvinyl Chloride Pipe (SDR 35 or better)
CPEP - Corrugated Polyethylene Pipe (smooth
interior wall, or N- 120 pipe)
RPP- Ribbed Poly vi nylchloride Pi
-2- Revised 9/30/13
APPENDIX A:
Detention System Design Exhibits
-41L
013-TYPE I-L
TOP= 100. 5
IE(N)-96.8-OUT
1.5'-18' ADS N-12
IE(E)=96.8-IN
PiAl LAID 6 T
PIPE LAID FLAT
1' -18' ADS N-12
EVVING TYPE I-L CB TO REMAIN
PIPE LAID FLAT
(C812)
TOP= 100. 5
ADS 90* BEND
IE(S)=96.8-111-18- N-12(NEW)
W7H RISER
1E(N)=9Z8-1N-6`PVC
(18- DIAME7ER PIPE)
0
1E(E)=96.8OUT,18* N-12
26 LF-18- ADS
N- 12 PIPE —
o a 5x SaLopr
EXJS71NG INCOMING PIPE
INTO DE7EN71ON SYS7FM
26 LF-18' ADS
N- 12 PIPE
0 O,5X SLOPE
IN
5�-9 J14
PIPE END
IE's = 96.9J
ADS 18'
END CAP
(2 TYP.)
:fV,11A1Jn11TC
ADS DOUBLE COMPONENT
MANIFOLD END
JAN 2 12015
A
18' DIAWER PIPE
L .4
B ILDING DEPARtWE T
4 q
a EANOU M. 4
zle
TOPS 100.5
Z'
IE's 96..9J
4 '4
0 10
Scale I 1=
EVVING 18' DE7EN.719N PIPE
60,LE 6d5X 4
4
CITY OF EDMONDS APPROVED PLAS71C
4
PIPE MWERIALS FOR DETENDON.
4
CON7ROL WRUC7VRE
1. PVCP - POLYWNYL CHLORIDE
EVS77NG TYPE 1-L CAR:h BASIN TO REMAIN
PIPE (SOR J5 OR BETUR)
(pit) - Top = 100.0
2 CPEP - CORRUGA7ED
IE(W) 96.5'- IN-18'
POLYE7HWE PIPE (SWO07H
IE(SE) 963 411T.
'CA
WERIOR WALL OR N-12 PIPE
dREWgffl0P. 7FE WHIN TCH_ -BASIN P&
J. RPP - RIBBED
RGURE-Z �Fi ' 1 .1
4
POLYWECHLORIDE Pi
NO7F_- RUER TO aTY HANDOUT kf 72A
EXISVVG OU7FLOW FROM
FOR APPROV0 METAL AND CONCIREX
SYSTEM Q.
)OVEN770N PIPE MVERIAL
ADET071al
CONNEVING 10 QB IN 857H
PL If -(TO REMAIN)
PREPARED BY.
DETENTION PIPE SYSTEM
DETAIL. 20508 85th PL W
DONNA L BRESKE PE, LLC
P. 0. BOX 1523
FOR
MoGIMffRAY HOUSE
ADDITION EDMONDS, WA
SNOHOMISH, WA 98291
PHONE: (425) 334-9980
CON77?ACTOR. RICK KLEMM
—SCALE.
F
I" = 10-7
ISSUE DATE. 01-02-15
nGuRE. i 'of 2
DonnaBreske0comcast. net
ASSUMED TOP = 100'
6' h
6* PVC PIPE 6* h
ENSTING SET SCREW TO
18, DIA. DETEN 71ON PIPE I PREVENT ROTA 77ON
RISER ELEV = 98.0
PIPE SUPPORTS 2 (TYA) /1, 1
CAULK SPACE BE70FEN PVC ADAPTER & PIPE STUB
- 6' PVC PIPE STUB - IE=96.5
COUPLER OP77ONAL
IE=96.5 6' PNOUTLET
CONTROL DEVICE 6 * P VC PIPE CROSS GASKET (TYP)
ASSEUBL Y TO BE PVC ADAPTER* W/ DOUBLE GASKET AND ADHESIVE
REMOVABLE FROM BONDED SAND FINISH ON EXTERIOR. MIN 7' LONG
INSIDE THE FAC NON -SHRINK GROUT
INSTALL IN 9 n 4-112* CLEARANCE
ENSTING C6 11 DRILLED ORIFICE IN PVC INSIDE CAP PLUG
DRILLED ORIFICE ELEV = 95.5
ORIFICE DIA. = 0.875'
FLOW RESTRICTOR DETAIL FOR EXIS77NG CB11
N. TS. BASED ON EDMONDS STD E5.4
alY OF EDMONDS APPROVED PLAS77C
PIPE MATERIALS FOR DETENTION.
1. PVCP - POLYVlNYL CHLORIDE
PIPE (SDR J5 OR BETTER)
2 CPEP - CORRUGATED
POLYE7HYLENE PIPE (SMOOTH
INTERIOR WALL OR N-12 PIPE
J RPP - RIBBED
POLYVINYLCHLORIDE PI
NOTE- REFER TO CYTY HANDOUT X72A
FOR APPROVED METAL AND CONCRETE
DEIEN17ON PIPE MATERIAL
PREPARED BY -
DONNA L BRESKE PE, LLC
P. 0. BOX 1523
SNOHOMISH, WA 98291
PHONE: (425) 334-9980
DonnaBreske@comcast.net
CINCH ANCHOR
KIRE ROPE CUP (SS)
DEFORMED 3/8- STEEL R(
(SS OR ALUMINUM) LENG7
Pvl
FLOW CONNOL S77?UC77JRE PIPE SUPPORT DETAIL
N. TS.
RESU
JAN 2 1201
BUILDING DEPAFt7
CITY OF EDMON
EDMONDS STD E5.4
FLOW RESTRICTOR DETAIL 20508 85th PL W
FOR McGILLIMAY HOUSE ADDITION EDMONDS, WA
CONTRACTOR: RICK KLEMM
SCALE: NIA I ISSUE DATE: 01-02-15 FIGURE: 2 of 2
LT
4%
Pl-
E-- S S7
CD
OF=
M M
z
ok c_n
co
*1 —1. —
+1.
d.
NOTE: ALL DIME SIONS
I REV.
DESCRIPTION
BY
.71
ARE 1 1/2 FOOT."
�DVA CEO DRAINAGE SYSTEMS, INC. ('ADS-) HAS PREPARED THIS DETAIL BASED ON INFORMATION PROVIDED TO ADS. THIS
CIA.
DET/RET SYSTEM
- TJR
DRAwING is INTENDED TO DEPICT THE COMPONENTS AS REOUESTED. ADS HAS NOT PERFORMED ANY ENGINEERING OR DESIGN
SERVICES FOR THIS PROJECT. NOR HAS ADS INDEPENDENTLY VERIFIED THE INFORMATION SUPPLIED. THE INSTALLATION DETAILS
03114 107
PROV`IDED HEREIN ARE GENERAL RECOMMENDATIONS AND ARE NOT SPECIFIC FOR THIS PROJECT. THE DESIGN ENGINEER SHALL
TYPICAL SUBSURFACE DET.\RET.
TRUEMA L
NII VD
TB
REMEW THESE DETAILS PRIOR TO CONSTRUCTION. IT IS THE DESIGN ENGINEERS RESPONSIBILITY TO ENSURE THE DETA LS
SYSTEM LAYOUT DETAIL
.461LO,
'L ARD. OHIO 43026
PROVIDED HEREIN MEETS OR EXCEEDS THE APPLICABLE NATIONAL. STATE. OR LOCAL REOUREMEN
I TS AND TO ENSURE THAT THE
Nis
,DETAILS PROVIDED HEREIN ARE ACCEPTABLE FOR THIS PROJECT.
DRAWING NUMBER: STD-70i
-amcm oft —cc swm... W.
OF j
H
(GRASS AREA)
.............
1. ALL REFERENCES TO CLASS I OR 11 MATERIAL ARE PER ASTM D2321 -STANDARD PRACTICE FOR
UNDERGROUND INSTALLATION OF THERMOPLASTIC PIPE FOR SEWERS AND OTHER GRAVITY FLOW
APPLICATIONT, LATEST EDITION.
2. ALL RETENTION AND DETENTION SYSTEMS SHALL BE INSTALLED IN ACCORDANCE WITH ASTM
D2321, LATEST EDITION AND THE MANUFACTURER'S PUBLISHED INSTALLATION GUIDELINES.
3. MEASURES SHOULD BE TAKEN TO PREVENT THE MIGRATION OF NATIVE FINES INTO THE
BACKFILL MATERIAL, WHEN REQUIRED. SEE ASTM D2321.
4. FILTER FABRIC7 A GEOTEXTILE FABRIC MAY BE USED AS SPECIFIED BY THE ENGINEER To
PREVENT THE MIGRATION OF FINES FROM THE NATIVE SOIL INTO THE SELECT BACKFILL MATERIAL.
5. FOUNDATION: WHERE THE TRENCH BOTTOM IS UNSTABLE, THE CONTRACTOR SHALL EXCAVATE
TO A DEPTH REQUIRED BY THE ENGINEER AND REPLACE WITH SUITABLE MATERIAL AS SPECIFIED
BY THE ENGINEER. AS AN ALTERNATIVE AND AT THE DISCRETION OF THE DESIGN ENGINEER, THE
TRENCH BOTTOM MAY BE STABILIZED USING A GEOTEXTILE MATERIAL.
6. BEDDING: SUITABLE MATERIAL SHALL BE CLASS I OR 11. THE CONTRACTOR SHALL PROVIDE
DOCUMENTATION FOR MATERIAL SPECIFICATION TO ENGINEER. UNLESS OTHERWISE NOTED BY
THIE'ENGINEER, MINIMUM BEDDING THICKNESS SHALL BE 4'(100mm) FOR 4%24"(100mm-600mm); 6*
(11 50mm) FOR 30"-60" (750mm-900mm).
7. INITlAL BACKFILL: SUITABLE MATERIAL SHALL BE CLASS I OR 11 IN THE PIPE ZONE EXTENDING
NOT LESS THAN 6' ABOVE CROWN OF PIPE. THE CONTRACTOR SHALL PROVIDE DOCUMENTATION
FOR MATERIAL SPECIFICATION TO ENGINEER. MATERIAL SHALL BE INSTALLED AS REQUIRED IN
ASTM D2321. LATEST EDITION.
8. MINIMUM COVER: MINIMUM COVER OVER ALL RETNETIONIDETENTION SYSTEMS IN NON -TRAFFIC
APPLICATIONS (GRASS OR LANDSCAPE AREAS) IS IT FROM TOP OF PIPE TO GROUND SURFACE.
ADDITIONAL COVER MAY BE REQUIRED TO PREVENT FLOATATION. FOR TRAFFIC APPLICATIONS,
MINIMUM COVER IS IT UP TO 36'DIAMETER PIPE AND 24'OF COVER FOR 42"- 60'DIAMETER PIPE,
MEASURED FROM TOP OF PIPE TO BOTTOM OF FLEXIBLE PAVEMENT OR TO TOP OF RIGID
PAVEMENT.
0 2W7 ADS. INC.
H H
(FLEX (RIGID PVNIT.)
LINDIST URBED
EARTH
NOMINAL
NOMINAL
TYPICAL
TYPICAL
TYPICAL SIDE
H
H
DIAMETER
O.D.
SPACING'S'
SPACING 'C'
WALL 'X'
(NON -TRAFFIC)
(TRAFFIC)
12"
14.5"
ll*
25.4'
8'
IT
12"
(300 MM)
(368 MM)
(279 MM)
(645 MM)
(203 MM)
(292 MM)
(292 MM)
15*
18"
12"
28.9"
8'
12"
12"
(375 MM)
(457 MM)
- (292 MM)
(734 MM)
(203 MM)
(292 MM)
(292 MM)
18'
21'
17-
33.9"
9"
IT
12'
(450 MM)
(533 MM)
(434 MM)
(862 MM)
(229 MM)
(292 MM)
(292 MM)
24*
28"
13"
40.7'
10"
IT
17
(600 MM)
(711 MM)
(330 MM)
(1034 MM)
(254 MM)
(292 MM)
(292 MM)
30'
36*
18"
53.1'
18'
12'
IT,
(750 MM)
(914 MM)
(457 MM)
(1347 MM)
(457 MM)
(292 MM)
(292 MM)
W.
42"
22"
63'
18"
12"
12'
(900 MM)
1067 MM)
(559 MM)
(1600 MM)
(457 MM)
(292 MM)
(292 MM)
42"
48"
24'
71.9"
18"
12"
24*
(1050 MM)
(1219 MM)
(610 MM)
(1826 MM)
(457 MM)
(292 MM)
(610 MM)
48"
54.
25'
78.5'
18"
12"
24'
(1200 MM)
(1372 MM)
(635 MM)
(1994 MM)
(457 MM)
(292 MM)
(6110 MM)
60*
67'
24"
90*
1 81
12'
(1500 MM)
(1702 MMI
(610 MM) 1
(2286 MM)
(457 MM
(292 MM
ED DRAINAGE SYSTEMS. INC. (ADS-) K46S PREPARED THIS DETAIL BASED ON INFORMATION PROVIDED TO ADS. THIS
; IS INTENDED TO DEPICT THE COMPONENTS AS REQUESTED. ADS HAS NOT PERFORMED ANY ENGINEERING OR DESIGN
S FOR THIS PROJECT. NOR HAS ADS INDEPENDENTLY VERIFIED THE INFORMATION SUPPLIED. THE INSTALLATION DETAILS
0 HEREIN ARE GENERAL RECOMMENDATIONS AND ARE NOT SPECIFIC FOR THIS PROJECT. THE DESIGN ENGINEER SHALL
THESE DETAILS PRIOR TO CONSTRUCTION. IT IS THE DESIGN ENGINEERS. RESPONSIBILITY TO ENSURE THE DETAILS
D HEREIN MEETS OR EXCEEDS THE APPLJ LE NATIONAL. STATE. OR LOCAL REOUIREMENTS AND TO ENSURE THAT THE
CLASS I BACKFILL REQUIRED AROUND 60' DIAMETER FITTINGS.
3 REVISED 18' SPACING TJR
REV. DESCRIPTION BY I MMIDDIYY I CHKI)
AWM
TYPICAL RET/DET 4640 TRUEMAN BLVD 07.25.06
CROSS SECTION DETAIL HILLIARD. OHIO 430M
DRAWING NUMBER: NTS
STD-702 OF
LOA D E
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FD)
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GETAILS UASS, I OR 11 MATERZIAL PER
F ASRIO232I,LATJ----7ENT1Ot).
UNCISTUS�BF` CLEA�40UT C SPTAOT IN MAX. BrILOOSE
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2 ADDED 6V FITTINGS NOTE TJR
0 2007 ADS. Nrl REV. DESCRIPTION BY Mwfoolyy
ADVANCED DRAINAGE SMTEMS. INC. ("ADS-) HAS PREPARED THIS DETAIL BASED ON INFORMATION PROVIDED TO ADS
DRAWING IS INTENDED TO DEPICT THE COMPONENTS AS REOUESTED. ADS HAS NOT PERFORMED ANY ENGINEERING CRM
SERVICES FOR THIS PROJEW, NOR RAS ADS INDEPENDENTLY VERIFIED THE INFORMATION SUPPLIED. THE INSTALLATION DETAILS TYPICAL RZT/DET EMAN BLVD 10/23MG
PROVIDED MEIN ARE GENERAL RECOMMENDATIONS AND ARE NOT SPECIFIC FOR THIS PROJECT. THE DESIGN ENGINEER SKALL U
REVIEW THESE DETAILS PRIOR TO CONSTRUCTION. IT IS THE DESIGN ENGINEERS RESPONSIBILITY TO ENSURE THE DETAILS RISn/CMN-OUT DETAIL MwA)S,. r.LZD, OHIO 43026
PROVIDED HEREIN MEETS OR EXCEEDS THE APPLICABLE NATIONAL. STATE. OR LOCAL REOUIREMENTS AND TO ENSURE THAT THE NTS
ETAILS PROVIDED HER13N ARE ACCEPTA13LE FOR THIS PROJECT. DRAWING NUMBER: SM-703 OF
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APPROVED AS NOTED
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WATER & SEWER
INSPECTIONS FIE17D
CALL 425-771-0220 EXT. 1326
ACCEPTABLE TIGHTLINE
SDR 35 MATERIAL
SCH 40
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FRONT.
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REAR -
OTHER
HEIGHT —
ALL pOSEL, SURFACES TO
BE OVERED WITHIN 2 DAYS
AME TIGIJTLINE
MATERIAL,
SDR3.5
SCH 140
N42;
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(+vs) -n
FOOTING DRAINS NOT
TO BE TIED INTO
DETENTION SYSTEM
WATER & SEWEN
INSPECTIONS REQ'D
CALL 425-771-022(.) EXT. 1326
jAGTOR IS RESPONSIBLE FOR
CONTROL AND DRAINAGE
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RECEIVED
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PERMIT COUNTER
APPROVED BY PLANNING
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WORKSHEET
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ADDRms 0 19 0,,� 3 (�o PRONE: LIE) 7 7
DATE: -lei 1 0-1.11
IMPERVIOUS AREA
FINISHCO
"DESIGN DATA*****
PIPE OIA PIPE LG
IXTENTION PIPC LENGTH
ORIFIC.E
-7&
R E (C ["Z�- v
Sax OR sustil or
am To Ix turl
2 0, 2002
TL t
DEVELOOMENT !,ERVlCF.S
COLCT COMMM CITY OF EWOOND'i
KIN,
UPPER CATCH BASIN JMIFICE
CONTROL CATCH BASIN
SYSTEM CROSS SECTION
W.
?'XrXA'.DEEP, 4-6' $PALLS OR COUAL
FROM CONTROL Cl z-x e,x 2. bccp:, 3/4' CRLMHED R(3cx
FRaN CONTRM
"W ou=r
I
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twx& wAiN ROCK
RUNOFF SPREADER. TRENCH
F0027NG DIWNS SHALL NOT 4E CONNECTED 2V DETENTION SYSTEM
NO TES:
I. CAH linghmrkis Divisi= (771.=O) for it tishaino and detendoA syawm jupectlem
befam ba� =W tor final fiwqwWoux.
Z Rwp=x-biUty f" opusfim WW mainfanence of dm!*W sye= on pdvam pm?orty is the FAMPPIRZ 0 VE D B Y
fGlP0='bllifYofthopvcpwtyawuw. MAUrWimcmil fed in-dwitcrar pipe=* be f1j.&ed
&A ad nswved imm the catch bag= to Cm proper opmdm 7U oudotgo I oti Cs
aft fi DATE
nmt be koot opm at jIll tiqM,
Impermeable
Area Sq. Ft
2000
2500
3000
3500
4000
4500
5000
Required
Val Cu Ft
wft-�
50
62
75
87
100
112
125
Note: Allowable Pipe Materials:
Impermeable
Area Sq. Ft.
2000
2600
3000
3600
4000
4500
6000
Detention
—pipe diameter
< is,
18" to 244
240 to 38'
-38' to 424
able 3 — Rectan-9
Max Size
knockout
204
2e,,
364
4211
Pipe Diameter
lam 240
300
40
28 is
10
50
35 20
13
60
42 24
16 Required pipe
70
49 28
18 length in feet
80
56 32
C- " )
21
oo
61
3 36
23
100
iO 40
25
Reinforced Concrete
Aluminized Steel
Aluminum
CMP Asphalt Coated
N — 12 ADS (Not Permitted on roads)
Outlet Ortfice Diameter (Inches)
5/8
6/8
3/4
3/4.
(a7 81
7/8
7/8
Basin Requiriji �ents
Catch Basin
Type
Type 1, CS 15
Type a
Type 11, CB 19 * 19 (48- U,91n)
TypG 11, CB 19 .19 (54N Smin)
*Source: Assoc. Sand & Gravel 00. Standards
City of Edmonds Permit No: -..--
RIGHT-OF-WAY CONSTRUCTION PERMIT- issue Date:
A. Address or Vicinity of Construction: 90!�o
B. Type of Work (be specific): L)Owm
C. Contractor: Kbw� 62,0M
Mailing Address: Cy
zlev-'-o
State. License #:_WpMC_b 15191-64
D. Buil'ding Permit # (if applicable): ;?066 0
Contact: 12,(c_V__ i�Lle5KAK/%-
Phone: (' +7.97) 774'-
Liability Insurance: (4'03 Bond- $ 1 0 0 v-0
_T_
Side Sewer Permit # (if applicable):
E. E] Commercial El Subdivision F] City Project F] EUC (PUD, VERIZON,, PSE, AT& T, OVWD)
r-1 Multi -Family 14 Single Family Other
I'NSPECTOR: L4�G�T' -
F. PAVEMENTCUT: E]YES 9NO G. SIZE OF CUT X
CONCRETE CUT: D YES R NO
INDEMNITY. Applicant understands by his/her signature to this application helshe holds the City of Edmonds harmless from
injuries, damages or claims of any kind or'description whatsoever, foreseen or unforeseen, that may be made against the City of
Edmonds or any of its departments or employees, including but not limited to the defense of any legal proceedings including defense
costs and attorneyfees by reason ofgranting this permit.
THE CONTRACTOR IS RESPONSIBLE FOR WORKMANSHIP AND MATERIALS FOR A PERIOD OF ONE YEAR FOLLOWfNG THE FINAL
INSPECTION AND ACCEPTANCE OF THE WORK ESTIMATED RESTORATION FEES 97LL BE HELD UNTIL THE FINAL STREET PATCH IS
COMPLETED BkCITYFORCES, AT WHICH TIMEA DEBIT0k CREDIt 97LL BEPROCESSED FOR ISSUANCE TO THEAPPLICANT
Traffic control and public safety shall be in accordance with City regulations as required by the City Engineer. Every
flagger. must be trained as required by (WAC) 296-155-305 and must have certification, verifying completion of the,
required training in their possession.
Restoration is to be in,- , accordance,with City codes. All itreet-cut trench work shall be patched with asphalt or City -
approved material prior to the end of the workday - NO EXCEPTIONS.
Three sets of construction drawings of proposed work are required with the permit application.
CALL DIAL -A -DIG (1-800424-5555) PRIOR TO BEGINNING WORK
I HA VE READ THE ABO VE STA TEMENTS AND UNDERSTAND THE PERMIT REQUIREMENTS AND A CKNO WLEDGE
THA T I MUST MAKE THE PINK COPY OF THE PERMIT A VAILABLE ON SITE A T ALL TIMES FOR INSPECTIONS
Signature: Date. 107�
(Contractor or Agent)
FOR CITY USE ONLY
Approved by: Right-of-way Fee:
Disruption Fee/Fund 111:
Time Authorized: V�oid After
Special Conditions: i1K6SM?_t KoW -Q U,(T\A Restoration Fee:
MC-E'T- U_f:�AO WD Total Fee:
Lw�' V_ CF U1 '�_ -begy-t �' �*L L' fbie, F1 f� t' Receipt No: Ci:W45;/.0
I W"i czn 0 1-11 - C-Lso y (S 2�� Issued by:
UPON COMPLETION OF PERMITTED WORK, AN ENGINEERING FINAL
INSPECTION IS REQUIRED PER CHAPTER 18.00 OF THE EDMONDS
COMMU NITY.. DEVELOPMENT CODE (Phone 425-771-0220, Ext. 1326)
FINAL,APPROVAL OFPERMITTED WORK. DATE:
lnspe�torTSignature
For
uirements see
ion Information handout.
NO WOIZK SHALL 111,CIN I'MOIZ TO I'l-�11MIT ISSIJANCE
DAMy Documents\Forms\Engnmg\ROWpermit—.doc
REGARDING:
20SO8 - 85th Place West tl':�- 60000
(address)
R E C 0 R
D 0 F C 0 N T A C T S
DATE
WE, PHONE NO., &
ADDRESS of CALLER COMMENTS ACTION TAKEN
5/l/74
Donald Boso Certified Letter No. 40633S sent Letter received.
requiring hook-up within 60 days.
6/S/74
When lateral was installed., contractor
put it in the wrong place and connection
will be very difficult as we will have
to dig under a concrete patio. Can you
.recommend an inexpensive side -sewer
contractor?
6/19/74
Will contact Bob Aklin to see when he
can install side -sewer, and will
advise us. May need an extension
because has had trouble locating contractor.
7/1/74
Certified Letter No. 406578 sent Letter received.
requiring response by July 12'.
7/16/74
Bob Aklin obtained permit #4972.
2/12/75
-comp
INITIALS
TE
TE
out
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ROUTING MRM
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3.
.4.
Message -
Date:
�E-7-72
"//� 6156)z�
CITY of EDMONDS
Department of Public Works
200 Dayton Street - Edmonds, Wash. 98020
Mr. or Mrs. Do -d-B6'so
20508 - ml
-25tii P ace West
Edmoffd-s, Washington 98020
I
I
CITY of EDMONDS
200 Dayton Street - Edmonds, Washington 98020 - Telephone (206) 775-2525
Department of Public Works
July 12, 1974
Mr. or Mrs. Donald Boso
20508 - 85th Place West
Edmonds, Washington 98020
Dear Mr. or Mrs. Boso:
According to two previous Certified Letters to you from this office,
water service to your property located at -- 20508 - 85th Place West Edmonds
was to have been terminated o ' n July 12, 197f-.- In accordance with tJhe Edmonds
City Code, it is required to connect any property within the City of Edmonds
to the sewer, where it is available.
It is now required that you appear in person at the Public Works
Department, 200 Dayton Street, Edmonds, or contact Mr. John B. Mitchell,
Water/Sewer Superintendent at 775-2525, extension 226, within two (2)
days after receipt of this letter to make the necessary arrangement for
connection. If no contact is made, your water service will be terminated.
Your prompt response will be appreciated, as it is not our desire to
discontinue your water service.
JBM: te
Sincerely,
ACKNOWLEDGED BY PROPERTY OWNER:
PROPERTY ADDRESS:
MAILING ADDRESS:
ACKNOWLEDGEMENT DATE:
RECEIPT FOR CERTIFIED MAIL-30� (plus postage)
SENT TO POSTMARK
OR DATE
00 STREET AND NO.
r__ . _0? 6SZjn K_L_ ) ), & 0 . - ... I * .. .,_� "%- t
P.O., STATE AND ZIP CODE
Cc
CD OPTIONAL SERVIC S FOR ADDITIONAL- FEES
N I Shows to whom and date delivered I
"'TU" With delivery to addressee only W-, 50
RECEI PT 2� Shows to whom, date and where deliver d . 0
SERVICES With delivery to addressee -only . .......... .. 8
DELIVER TO ADDRESSEE ONLY 50d
SPECIAL DELIVERY (extra fee required)..
PS Form 3800 NO INSURANCE COVERAGE PROVIDED— (Soo other side)
Apr.1971 NOT FOR INTERNATIONAL MAIL QPO; 1 D70 0-397-456
SENDEk. Be�jjj� flo
ns On 04e'Ir
St.FjVjCr
6EASE FURNI
�SH, E(
SY JlNbl'CATE'D� ;B B
Y ICHEC -D L (S)
S
hdw addlee�s
w e- peli
h" Ve.,
LY
...... . .... .. t6. ad r �se6�
RECEIPT
VEGIS7
. . ........
............
�SIGNATUR&�- �FVN��f b
FADDRESSEE,mijit alw"
ws be"fililed
ERTIFIED -N. 104
M
y
!nz, Ktu No. 9 OVADUESSEE'S A EN .4 ANY - , ;:' -.. , 0
F
7
DATE D
CLIVtKLU
SHOW
CL
HERE, DELIVERED, dr cludc Zlp� Code) .
requeated; �A, V
_m In In o
w moo w
r\j
j
2c
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CD
Lit
ui Q
u z
<
ol ! - if-
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PL-EASE 42 r -side .7
e Sum -fo.follov�tns W <
FVRNIS�j -SERVICE(S) N, D, < ?r. c>
ICATE-D C) z i--
f (Additi w
nal charge8 A CJ�E0
Sh ed for tizese se,v - BLOC�mi� 0 0 Lo
Otir 1=1
Ow addees§ 0 0 co L/)
Wherb deli p6li.
'Vered,, ONLY
ver ONLY - Z
tO.-ad eSSM� I CD 0 0
r
RECEIPT co
Recc!Ved't1,4nWnb�r�edarf;cj
GISTEk_�_D---0-- e de'scribedbela W�_ N 0 0 0
SIG �N-A- z E I
TORE —OR N N LU
AM OF.
ADORE w 5: Ej �j
I.- Q
SSEE (Mdst'
be ILI-
CERTIFIED m fil-Ild w w
-F
V S �UR AD , QM13 kE 0F A I
NO. 2 GNATU A13R z r ic-A p
DRES,SIEf"WGIE "IF
hTI, Al'i-T
_71:
_' ' =LE A �S, E F
r_7
DATE DLLIV
ER D,
IVERED
,and
............
City of 'Edmonds' Permit No: Z(003 —01
RIGHT-OF-WAY CONSTRUCTION PERMIT issue D'ate:,5-o_? 9-2_Q')-R
* s g'57�1 P/ 4).
A. Address or Vicinity of Con tiiiction: 4205)
B. Type of Work (be specific): a""I
5 y 11) C14
C. Contractor:
Mailing �Addressj,;/,� —C 6). Ph one:
State License #: Liability Insurance: Bond:$
D. Building Permit # (if applicable): ... Side Sewer Permit # (if applicable):
E. n Commercial
Subdivision
El City Project E] EUC (PUD, VERIZON, PSE, AT& T, OVWD)
n Multi -Family
El
Single Family
El Other
fNSPECTORAt0(0a-W,1
L4,
F. PAVEMENT CUT:
YES
[:1 NO
G. SIZE OF CUT x
CONCRETE CUT:
[I YES
El NO
��Olu,,61119
AN)LICANTTO IMAI) ANI) SIGN
INDEMNITY.', Applicant zinderstands by his/her signature to this application halshe holds the City of Edmonds harmless ftom
injuries, damages or claims, of any kind or description whatsoever, foreseen or unforeseen, that may be made against the City of
Edmonds or any of its departments or employees, including but not limited to the defense of any legal proceedings including defense
costs and atiorneyfees by reason ofgranting this permit.
V-
THE CONTRACTOR is RESPONSIBLE FOR WORKMANSHIP AND MATERIALS FOR A PERIOD OF ONE YEAR FOLL097NG THE FINAL
INSPECTION AND ACCEPTANCE OF THE WORK ESTIMATED RESTORATION FEES HILL BE HELD UNTIL THE FINAL STREET PATCH IS
COMPLETED BYCITYFORCES, AT WHICH TIMEA DEBITOR CREDIT WILL BEPROCESSED FOR ISSUANCE TO THEAPPLICANT
Traffic control and public safety shall be in accordance with City regulations as required by the City Engineer. Every
flagger must be trained as. required by (WAC) 296-155-305 and must have certification verifying completion of the
required training in their possession.
Restoration is to be in accordance with City codes. All street -cut trench work shall be patched with asphalt or City -
approved material prior to the end of the workday — NO EXCEPTIONS.
Three sets of construction drawings of proposed work aie required with the permit application.
CALL DIAL -A -DIG (1-800-424-5555) PRIOR TO BEGINNING WORK,
IRAVEREAD THE ABOVE STATEMENTS AND UNDERSTAND THE PERMIT REQUIREMENTS AND ACKNOWLEDGE
THAT I MUSTMAKE THE PINK COPY OF THE PERMITA VAILABLE ON SITE A TALL TIMES FOR INSPECTIONS
Signature:
r
Date: '5— (�_ 03
FOR CITY USE ONLY 14&_
Approved by:. Right-of-way Fee:
Time Authorized: Void After Disruption Feeifflund 111:
Special Conditions::fefif�o C C6tJJg0L aL MRIM, Restoration Fee:
go
Total Fee:,-
-Receipt No-.,,
Issued]
rn
mnlfq 02TV (W WX4 S-r 4 TM dMAJim OW 95-M601290 dz1DQ9UA1r.L
UPON COMPLETION OF PERMITTED WORK, AN ENGINEERING FINAL
INSPECTION IS REQUIRED PER CHAPTER 18.00 OF THE EDMONDS
COMMUNITY DEVELOPMENT CODE (Phone 425-771-0220, Ext. 1326)
FINAL APPROVAL OF PERMITTED WORK. DATE:
Inspector's Signature
For inspection requirements see Engineering Inspection Information handout.
No NVORK SHAIA, IH"�CIN NUOR TO l"ERMIT ISSUANCI'�,
DAMy Documents\Forms\Engnmg\ROWpermit_.doc
RECEIVED
MAY 13 2,003
DEVELOPMENT SERVItDES
PERMIT 6/0/ DATE RECEIVED: -0 3
M10101 � , I I I - - -
CONTRACTOR:
M
RT = Review Time, please enter the number of hours associated with your review.
PUBLIC WORKS RE VIEW DateReceived
MAY 1 4
STREET DIVISION: Date:
5-13T�J�R'Tn -�J?105
Signature of App I
Tz�ou"J�_ j 7va
Comments: Odrtri -77LES
WATER/SEWER: Date:
-511416-3 —RT
Signature of Approval
Comments:
PW DIRECTOR: Date:
'SA I h 3 RT
�ignature of Approval
Comments:
PLAMVINGREVIEW
Date Received
- REQUIRED ON ALL WIRELESS FACILITIES
(cell antennas, unicell, etc.)
RECEIVE
— Date: --AT 19 7003
Signature of Approval
ENGINEERING DIVISI
Planning Only: Please notate special conditions on face of permit application
R FRANCHISE FEE'S REQUIRED $
r-1 COPY OF PERMIT TO SANDY CHASE
(COLLECT PRIOR TO PERMIT ISSUANCE)
PLEASE RETURN TO JEANIE MCCONNELL or DANIELLE GILBERT
Comments made on the attached documents need to be done with a
red pen and on ALL 3 COPIES. Date and initial all changes or comments.
RAengr\fbrms\R0W permit routing
POLES 0
RDA8' RES
"o
()vERHEAD
"I t
41E ru
I.D. UTILITY POTHOL
!-��MIT: SUBMITTED 8 Y UC TRENCHINC
GTE.
cfl
W
r
r-
V)
n
'R d 0
z
Lo
r cn
j
-------- Eop��
0
----------------- n rj
m
Z -j
PUB" ro
ch
f5x2-14 55 LJ ul
5?6 FL-
- — — — — — — — — — — — — — — —
z SZL4
CUTS
1,
�0
C61J-TYPE I-L
TOP=100.5
JE(N)=96.8-OUT
1.5'-'-18* ADS N-12
JE(E)=96.8-1N
IRE Lo�h-AT—
PIPE LAID FLAT
I' - 18' ADS N- 12
EXISTING TYPE I-L CY TO REMAIN
PIPE LAID FLAT
(C812)
TOP=100.5
ADS 90'BEND
IE(S)=96-8-111-18- N-12(NEW)
WIH RISER
1E(N)=97.8-iN-6`PVC
(18' DIAMETER PIPE)
IE(E)=96.8-OUT-18- N-12
.26 LF�18- ADS
N- 12 PIPE --T—'.�.
0 0.5Z SLOPE
EXIS71NG INCOMING PIPE
INTO DETEN710N SnTEM
26 LF-18' ADS
N-12 PIPE
o am SLOPE
Y-9 J14*
PIPE END
IE's = 96.9J
ADS 18"
J,
J'
END CAP
(2 TYP.)
WENT
ADS DOUBLE COMPONENT
MANIFOLD END
18' 01AME7FR PIPE
rANNITC,
M CLEANOUT!in.
NOU Tio.
TOPS = 100. 5
It's 0..0
10
4
4
<
Scale 1"= 10"
EVVING 18- DE7EN71pN PIPE
601B 6 0.5X 4
CITY OF EDMONDS APPROWD PLAS71C
4
PIPE MAIERIALS FOR DE7EN71ON
CONIROL.VRUCTURE
1. PVCP - POLYWNYL CHLORIDE
EVS71NO TYPE I-L CA7di BASIN TO REMAIN
PIPE (SDR J5 01? BET7ER)
mg/1) - Top = 100.0
2 CPEP --; CORRUGATED
ZE(W) 96.5'- IN-18,
POLYETH)tENE PIPE (WOOTH
IE(SE) 963 4UT.
E
WERIOR WALL OR N-12 Pi'Pir
AREV1SEW0P. 7EE 107HIN CATCH BASIN P&
J. RPP - RIBBED
FIGUR, 44
POLYVINXCHLORIDE Pi
Nom REFER To aTy HANDOUT JE72A
I
E)OSMG OU7FLOW FROM
FOR APPROWD METAL AND CONCREX
DE7EN71O)Y SYS7EM
DETEN770N PIPE WERIAL.
CONNEC71NG 10 08 IN 85TH
PL W (TO REMAIN)
PREPARED BY,
DETENTION PIPE SYSTEM
DETAIL 20508 85th PL W
DONNA L BRESKE PE, LLC
P.O. BOX 152J
FOR
MoGILLIVRAY HOUSE
ADDITION EDMONDS, WA
SNOHOMISH, WA 98291
PHONE. (425) J34-9960
CONTRACTOR.* RICK KLEMM
DonnaBreske0comcast. net
F SCALE.
I I o'
ISSUE DATE. 01-02-15
F1GURE. 1 2
of 2
I--
ASSUMED TOP = 100'
6" MIN.
TF
6' PVC PIPE 6' MIN.
E)(IS7ING SET SCREW TO
18, DIA. DETENTION PIPE PRE VEW T RO TA ;ON4
IE=96.5
RISER ELEV = 98.0
PIPE SUPPORTS 2 (11P.) I(
CAULK SPACE BETWEN PVC ADAPIER & PIPE STUB
6' PVC PIPE STUB - IE=96.5
—,—COUPLER OP 77ONAL
6' PVC)OU7LET
,-' 6' PVC PIPE CROSS —�4_ _'N�7�GASKET (TW)
CONTROL DEWCE
ASSEMBLY TO BE PVC ADAPIER* W/ DOUBLE GASKET AND ADHESIff
REMOVABLE FROM BONDED SAND FINISH ON EXTERIOR. MIN 7' LONG
INSIDE THE FAC NON -SHRINK GROUT
9. 4-112* CLEARANCE
INSTALL IN DRILLED ORIFICE IN PVC INSIDE CAP PLUG
EAIS71NG CR DRILLED ORIFICE ELEV 7 95.5
ORIFICE DIA. = 0.875*
FLOW RES77?ICTOR DETAIL FOR EXIS77NG CB11
N. T. S. BASED ON EDMONDS STD E5.4
CINCH ANCHOR
WRE ROPE CLIP (SS)
DEFORMED J18' STEEL R(
(SS OR ALUMINUM) LENGT
CITY OF EDMONDS APPROWD PLAS71C
PIPE MATERIALS FOR DE7ENII0N.
1. PVCP - POLYWNYL CHLORIDE
PIPE (SDR J5 OR BETTER)
2 CPEP - CORRUGATED
POLYETHYLENE PIPE (SMOOTH
IN 7ERIOR WALL OR N- 12 PIPE Pvi
J. RPP - RIBBED
POLYWNYLCHLORIDE Pi
run ArriTvvcu mciAL Am wmwmic
-DETENTION P�PE MATERIAL N.TS.
PREPARED BY,
DONNA L. BRESKE PE, LLC
P. 0. BOX 1523
SNOHOMISH, WA 98291
PHONE: (425) JJ4-9980
DonnaBreske@comcast.net
-EDMONDS S-',rD E5.-4—
FLOW RESTRICTOR DETAIL 20508 85th PL W
FOR McGILLIVRAY HOUSE ADDITION EDMONDS, WA
CONTRACTOR: RICK KLEMM
SCALE. NIA ISSUE DATE. 01-02-15 _FFIGURE. 2 of 2
4
6
Apolmts%afl epeWrjWmw9Mdsrraqe1*
tytijtL-9 of tmtage InVI antsinCRY
I
le
r �r f-my Per City stw4wdsta berAw
ightv
or occurs du*11 ft pwn0ed projed
100.51
E?
b
0
04
EXISTING
CATCH
BASIN
A
LU
0
0�1'5-Tj
e":> vf i
CATCH
DANN
10v-T
"Nodfing in this permit apprOV8.1 process shall be
interpreted as allowing -or permitting the
y existmgillega.L
nWutw=ce of &ny c�.,,.entl
nonconforming or unperinitted building, sUlftm
or site condition which is outsAe the scope of thO
Cyit application, regardlea of whether such
d d
ing, structure or condition is shovm 011 the
n d i' Such b
. oit raw uilding, structurs 9'P
0 %
� �t Lit is n be the subject of a sepamte
MP ior
D- - - - - - - -
' P'vj-
'Cr u4 h
5e
map
i
9
DJSTWG, MCRETEDRi Ay
0 �00.0'BENCHMARK
39' !-11 1i2"
4-5"
16-6 1 /2"
- - - - - - - - - - C
Uiri PROPOSED
— I I
io AODt?70N
N
101.25'
HEIGHT CALC
BENCHMAP100.0'
A =
100.11
B=
100� 2-5
C=
100. 15'
D=
100.75'
TOTAL
401.85'
DIVX4
100.46'AVG
25'HEIGHT125,46'MAK HEIGHT
4 AUA;., = 0.5"*
LOTCOVERAGE
105'X 200' =
21,000.00 SF
EXISTING SFR
SF
PROPOSED ADDITIOAfS
5COISF
TOTAL COVERAGE
TO T4 L'%
6e,
%,('
w,11 be- PJO-f-d
100.25'
a
85TH PLACE WEST Zone ---I& CornerA
Setbacks ReWred
APPROVED AS NOTED
BY�EJINEERING Front (k) ;z15'
Sidesem/s)— . Lot! --
Rear 64 2 5:.
Date: Other
HeiSht
OWNERICONTRACT05 IS RESPONSIBLE FOR OWNER: ROD AND SUE MCGILLIVRAY
EROSION CONTROL AND DRAINAGE 20508 85TH PLACE WEST EDMONDS WA.
TAX ID # 00544600002700
SCALE 1'1 20' LEGAL PINE RIDGE BLK 000 D-00 TR 27
EXISTING IMPERVIOUS SURFACE 41�*5SF
PROPOSED NEW IMPERVIOUS SURFACE SF
NEWANDEVSTING-"��!j�
jai - -r- Md +Zan
I
Scanned
K J`
REET FILE
RESUB
JAN 2 12015
BUILDING DEPAF7MENT
CITY OF EDMONDS
DONNA L..BRESKE, P.E. 6621 Foster Slough Rd. Snohomish, WA98290
Phone: 425-334-9980 Fax: 425-334-7380
PUNT SIZING & DESIGN FOR DETENTION SYSTEM FLOWS
FOR
NORTH CREST DEVELOPMENT
DATE: February 20,2003
SITE: 20508 85' PLACE WEST STREET FILE
EDMONDS, WA
Doi
PREPARED BY:
)z'l
L
lbyl"Dj
7
x1z0`03
DRAINAGE - DETENTION - INSPECTION - GRADING & TESC
SEWER & WATER - FEASEBILITY - SITE DEVELOPMENT
DONNA L. BRESKE, P.E. 6621 Foster Slough Rd. Snohomish, WA 98290
Phone: 425-334-9980 Fax: 425-334-7380
PUMP SIZING & DESIGN FOR DETENTION SYSTEM FLOWS
FOR
NORTH CREST DEVELOPMENT
DATE: February 20,,2003
SITE: 20508 85' PLACE WEST
EDMONDS, WA
FEB 2 2033
PERMIT COUNTER
DRAINAGE - DETENTION - INSPECTION - GRADING & TESC
SEWER & WATER - FEASIBILITY - SITE DEVELOPMENT
FILE
OVERVIEW:
A new single family home is under construction at 20508 85h Place West. Rick Klemm
of North Crest Development submitted the city of Edmonds Drainage Detention Worksheet
proposing a 56-foot long, 18" diameter pipe for storm water detention with the Building Permit
application. Now that construction is underway, it has become apparent that the relatively flat
nature of the site does not provide enough elevation differential in order to install a detention
pipe and release flows via gravity to the drainage ditch in 85h Place West. The city of Edmonds
has requested that a pump is sized in order to pump flows to the drainage ditch in 85th Place
West.
The Water Works program was used to determine the peak flow rate for a I 00-year, 24 hr
storm event. Storm flows from impervious surfaces on site will be routed to an on -site detention
pipe and released via an orifice to a Type- I catch basin, in which a sump pump will be located.
Tile pump is sized based upon the below listed criteria.
Maximum Flow Rate: 22.4 gpm
Head Loss: 1.62 feet*
Total Head: 6.6 feet
*Head loss is for 25 LF of 1-1/2" PVC pipe, one 90-degree elbow,
and one check valve.
This report includes pump curve data that will meet the above total head and maximum flow rate
parameters. Also the report includes design as required for contractor installation of the pump
system.
DESIGN
I '42S - 7-1 76rz 1.
'04: 47
7prn'
-041
t'i
fa
74
IIA
-- ty
C:
6
Yl
j
I trni
lcx;.
z's
I 1V
9t
,77-
- � —4� pe
pyc sch 40
DONNA L. BRESKE) P.E.
6621 Foster Slough Rd.
Snohomish, WA 98290
18" MIN.
E
DET PIPE
0.
CHECK VALVE
C, P_
MERC(JRY ON/OFF FLOAT-?
SWITCH
PHONE: 425-334-9980
FAX: 425-334-7380
am.
�Z_
I' PLASTIC CONDUT TO
GARAGE W/ POWER LINE
1- 1/2 (SO4 40) PVC
S1J)4P PUMP
Gould Pomp
W5o5-cttF_ or
&pivalerit
TYPE I CATCM BASIN
IFUMP Dfts'[N
NORTH CREST DEVELOPMENT
SUMP PUMP INSTALLATION DETAIL
FEBRUARY 20,2003
DRAINAGE - DETENTION - INSPECTION - GRADING & TESC
SEWER & WATER - FEASIBELITY - SITE DEVELOPMENT
CALCULATIONS
41",
PUMP CURVE DATA
7-OSO8 * 95-tb P49c;e;' kke�/,V,,A
4/03
To fz?'l Impery �,00s, Araq :?,?so sr- -= o 107 A c
�oin(O Ir4-ensi�.,' Ptoo c-- 31 toff
F7rorr Water t�e rorjoiT Uoto&I!P 'n 24ke
T07-AL HEPD D,ETL-RM/OAT(OM
(:a I Clu I qf-P- utyctlem+ . -Jer)3�h 0� ;2S- LF 6c
Pvc sc� 40) creld el/hol4j- 9, check
vo ue,
W albow adds -4, O-r eq-UIOVot&A� IeTf�
Check Value ct4cts )2,' o� e tenf I eA3f
qui
1-2—
Comer+ t 4.0 pipe
7
Ca c u.1 of-ed tAi 1,00 yy- form. I!s:
05- C�s PeAk cafe)
min
t3
60
o,05 3
min
min
----------- --------
-------- x 77 2 2,
3 i8
min
rette
Eleu.fion 0,X?i-,eAce &om
T,L
c 0' 17r' -14orl H d in I�ee+ Q0, r
ha,.; eq
106
Ti
f 0' 1 is
4
To-fo ff
2/19/03 page
NORTH CREST DEVELOPMENT
205bS 85TH PLACE WEST, EDMONDS
PUMP FLOW SIZING VOLUMES
BASIN SUMMARY
BASIN ID: B100D NAME: 100 YR 24 HR DEVELOPED
SBUH METHODOLOGY
TOTAL AREA ....... : 0.09 Acres BASEFLOWS: 0.00 cfs
RAINFALL TYPE .... : TYPElA PERVIOUS AREA
PRECIPITATION .... : 3.00 inches AREA..: 0.00 Acres
TIME INTERVAL .... : 10.00 min CN.... 86.00
TIME OF CONC ..... : 10.00 min IMPERVIOUS AREA
ABSTRACTION COEFF: 0.20 AREA..: 0.09 Acres
CN.... 98.00
PEAK RATE: VOL: 0.02 Ac-ft TIME: 480 min
Auj
11
-9*
SEP-04 2-302 17: 21
W
42-:� 641 33'35 P-02/033
sewage Pump
3887BHF
prol available for residential applications.
resistance, 5tainless steel metal 11 Class 8 insulation. M Bearings: Upper and lower
APPUCATIONS parts, BUN" elasMmeM - AD sincle phase models heavy duTy bail bearing
Specifically designed forThe fe=e capacitor Start motors constucton.
following uses: g Shak Corrotsion resistant, starting torque. M power Cable: Severeduty
400 series st3inkm SMEJ- ' Threaded fo'maximum rated, oil and water reSiMM
* Homes design. III on tree phase Single phase (60 H4, Epoxy seal on motor end
* Sewage systeMS models to guard against compol - Buft-in amload Mch
* DewateringlEffluent auttamatic reset provides secondary moisture
* Water transfer nent damage on acloclarrOl revem , 'A arI HP - 160 SITOW barrier in case cf outer jacicet
* Light industrial rotation. nes we, I 15 V or 230 V 1hree damage and to prEdent OR
* commercial applications 5 Fasteners: 300 se PrON plug. wicill standard cord is 20',
Anywhere waste or drainage stainless steel. - ' '/4 to 2 4P - 1413 STOW opli . onall lengths are available.
m 'be disposed of quickly. s Capable of running dry with ba-re leads. 0 maw Cover 04ing: Assur.15
us-, without damage tM cDmI Three phase (60 HI
quietly and effidenby. Dositive se�inq against
a Designed ior cont =U5 - ove-doad protection must be comarninant and oil leakage.
SpEC3RCATIONS cperation, when fully submerged. provided in starter urk 0 Consult factory for. information
Pump - 14/4 STOW with bare leads. on 575 V models.
• Solids handling cal MOTORS I Designed for Continuous
2"ma)dmum. 0 Fully submerged in high grade Operation: Pump ratngS AGENCY LISTINGS
• Capacities-, up to 220 GPK Turbine oil for iublication and are within the motor Te%ed to UL 778 and
• TOW heads: up to 81 fee, TDH. efficient hem Imnsfer. Ah ratings manutacrwrers recommended (3A 22.2 108 SWIlla"I
• DWI size: Z' NPT are within the woddng limits &the working limits, can be SV canWW Standwds
threaded companion flange as operated continuously without CM -U 5 AUDdIffficA
Mr. damage when fully Fie*WSS49
smndard. 3' option - I
available but must be ordered submerged.
separdtely. (order no. A1-3) MUMS "IT
00
• Temperature:
1 T 2"1
04 F (400Q contmucuS RPM* 350P
140OF (6M intermittent,
I Enclosed Imoler I
• See order numbers on reverse 2s,
side for spedc HP, voltage, =—SFr
phase and RPMs avalable. 70 1
20
60
see le-!5
FEATURES
C
m imWer Cag iron, endosed,
40
non -dog, dynI balanced
with pump all vanes for
30 PU fti P
mechanical seal protection
-Tom---
optiornal silicon brow impeller I-
W,
available.
g GWng,. Cast iron flanged -4.
:--IT �510 U.S. GPM
vokite type for maximum 60 90 00 12) iso 16o 21)
efficiency. D*red for easy
irlmllation on AIO-20 We rail.
now RATE
a Medwical Seal: 9MN
CARgIDE VS. SJUCON CARBIDE L A Gould's Pumps
sealing faces for superior abrasive
ITT InduStilies
A� (
S—:P--04-2002 17: 22
425 641 9995 P-.03/.
C.OMPONENTS, Sewage Pump
Daa*on
I
J mulfi-vane nor�-doa cast iron imoelle!
2
1 Elocm= oaint oumide and insidt
3
Slficor�cBrb do vs. sificon e
mechanicall seal
4
Stalroess steel sMft
S
Hiqh ordde Uabine oil
6
AD ball bwfinq hea" duty design
7
1 Epmy sealed cable
9
1 0-rinq seal
7
z
4 3887BHF
3
DIMENSIONS SIMPLEX AND DUPLEX SYSTEMS
All dimensions are in inches. Do not use for =Wmon purlmm) Simplex Ejector Systems: are used where
drain facilities.are below existing sewer lines.
6 Also can be used for septic tank applications
where wastewater must be pumped away
from tank for treatment or disposal.
RdTA, ION -
—T Duplex Ejector Systems. offer the
necessary safety required by institutions
7 J/, whch cannot afiard an interruption in
a .5 their sevvage disposal systems.
Aa
MODELS AND PERFORMANCE RXbRGS PERFORMANCE RATINGS �gallons per minute)
Ea Discharcio
Sewne Pumps, r Sol&
order No.
.00d
i HP,
PH
Wa Max A,*,
RPM Wt 03-11
INS03119HF
i
115
200 6.2
230 6.2
I F11 41 1
i 0 L
230 7.6
7M 4.1
230 3.6
460- 1.3
575 1.5
200 11.0
230 9.4
ZOO 4.1
1 230 3.6
��1,8
5"3 2.2 1 3500
200 14.5
�;l 13.0
ZDD i 8.6 11
7.5 i
460 i 3.8
575 1 3.1 1
230 17.0
200 1.0.6
230 9.6
4W 4,8 1
57S 3.9 1 1
230 )&a 1
200 12.0 i
220 1 11.6
460 1 S.8
575 1 4J
63
WS0318BHF
WS03128HF
M051 1 SMF
I
1
WS0512SHF
WS053MF
3
WSOS329HF
W50534OMF
e.WS05379HF
VM71 8BHF
i
1
1
1
35
WS07128OF
WSOT32OMF
3
WS0732BRIC
WS07348HF
WS0737OMF
WS1016BHF
WS1012BHF
W510368MF
WS1034BHF
WS10378HF
Ws1sIz8HF
1
1% 3 1
1 1
92
WS15MF
S15328HF
W 28HI
EllF
WS15348HF
F
WS'53791*
WS20120HF
1 1
1
2 3
WS2038SHF
W52032SHF
WS2CS49HF
VM037@MF
OrderNo. lWS039HFIWS059HMWS079HRMI0BHF
W5I58HFJWEL8H�F
HP*1 V,
%
1 �44 1
1 "i
I " I
RPMb! 3500
.3500
3soo 3500
3500
3500
;C1.1 ae
Ila
158
20 1
62
98
1�9
75 1
74
120 1 170
.204
30,
49 101 ISO
I In
35
21 82 130
175
40
60 Ila
159
3
45
38 89
140
1
-50
67
120
55
47
100
60
29 so
;5 ti
I
1 62
70
43
FS
23
Goulds Pumps
ITT IndustTies
33
N
TOTR- P. 03,
G I I
In
R 1.
SEP-04-12002 17:21 425 641��3985 P.31/03
Mp H. D. FOWL ER.COMPANY INC.
13440,S. E. ;�4 sbwt
Post Office Box 160
Wlevue, WA 98009
Phone: (425) 746-8400
Fax: (425) 641-8885
D Al —E:
FROM:
TO:
FAX: PHONE.
RE:
This ftx should be a total of p�ges�, Including this page. Plem.let,us know If you
&-not receW all pages.
NoM CREST DEU. RS-il- EDMamos
2 1 2.4-
4 13 P r�n
CARRYING CAPACITY AND FRICTION LOSS FOR SCHEDULE 40 THERMOPLASTIC PIPE
(Independent vatlables: Gallons per minute and nominal pipe size O.D,
Dependent variables: Velocity, friction head and piessure drop per 100 feet of pipe, Interior smooth
I
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1112 IN.
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0.14
0.08
0.33
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! 23.44
0.15
3.16
5.73
2.45
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1.12
0-75
1.111
0.44
0.19
0.01
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0.40
0.066
0.029
0.30
0.039:
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0.016
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43.00
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456
2.12
3.11T
1.37
115
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035
1.13
0-38
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0.69
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0.6
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0.31
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35,51
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0-98
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0.001
0.49
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is
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9.48
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118.419
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w REET FILE
DONNA L. BRESKE, P.E. 6621 Foster Slough Rd.
Phone: 425-334-9980
INFILTRATION DESIGN
FOR
Snohomish, WA 98290
Fax: 425-334-7380
NORTH CREST DEVELOPMENT
DATE: JANUARY 23,2003
SITE: 20508 85TH - PLACE wll�
EDMONDS, WA
ASP, Lft-4
7
13, 01
V
DRAINAGE - DETENTION - INSPECTION - GRADING & TESC
SEWER & WATER - FEASIBILITY - SITE DEVELOPMENT
JAA�
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t c-,
06--V-j� - -
41k C, af U-r::
OVERVIEW:
A new single family home is under construction at 20508 85 1h Place West. Rick Klemm
of North Crest Development submitted the city of Edmonds Drainage Detention Worksheet
proposing a 56 -foot long, 18" diameter pipe for storm water detention with the Building Permit
application. Now that construction is underway, it has become apparent that the relatively flat
nature of the site does not provide enough elevation differential in order to install a detention
pipe and release flows to the drainage ditch in 85th Place West. Mr. Klemm has therefore
contacted this engineer in order to propose an alternative solution for storm water drainage
management.
This engineer' recommends that on -site. infiltra tion is used. The site is nearly _V7_ acre in
size. Though it does not fall within any of the areas designated as approved for infiltration by
the city of Edmon ds, the calculations and design show that infiltration is feasible.
A Geotechnical Investigation Report dated October 22, 2002, was prepared by Liu &
Associates and is attached for reference. In this report it is stated that the- soils have a moderate
permeability rate. Therefore, this engineer choose a rate of one (1) inch per hour from the
August 2001 Stormwater Management Manual. A factor of safety of two (2) is then applied to
this infiltration rate resulting in a value of 0.5* inches per hour. Calculations are based upon
runoff from a I 0-year storm event. The design results in 117 LF of 2-foot wide infiltration
trenches. One trench of 32;,.feet in length is designed to be installed at the south edge of the
driveway in order to capture and infiltrate driveway runoff. A total of 85 LF of 2-foot wide
infiltration trench is to be installed in the back yard. Flows from the rooftop are to be routed to
the back yard infiltration trenches. All trenches are a minimum of 20 feet from the property
lines. - -
It is the opinion of this engineer that this infiltration trench proposal is a viable means of
managing storm water runoff from -the impervious areas of the site.
W - -W 0 0 W W W W 40 W 410 W W W W M W W W W
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DONNA L. BRESKE, P.E.
6621 Foster Slough Rd. Snohomish, WA 98290
Phone: 425-334-9980 Fax: 425-334-7380
21 _j PERF pvc WITH
I HOLE-5 1-MC POWN
PRIVEWIV INFILTKiRTION TRENICH
DETAIL "A -A )I
.�JAMVE --WRAp RLiEg ;:'ABRIC
AROUND TREKcil
MIN MIRAFI 140m 02,
go EQU IVA LEMT -
S MIN, ��o
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F LIS)
PER�" Pvc WITH
HOLES LAID DOWW
WK YARD INFILTRATION
DETR/L 13 - 8
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GI-CE: 2-0,9-0e 05-ib PL W4 2 7 03 .1.
Ed m o Y) ds'? WA
DRAINAGE - DETENTION - INSPECTION - GRADING & TEs,c I/s/2003
SEWER & WATER FEASI]BELrIY - SITE DEVELOPMENT
CALCULATIONS
.v,os-oa g5,* plqce u)es+ WrtkCrest-- Deve 6pmmt-,'
...-rofol Impervious Areo
Plo
F7roryl Uictf-er Wbr�s, +he, runo(T votorne Fin 2 1 h ns
�rom oL 10-yr. S-f"rm-- ver* 15 00,01-34c4- ac-It—
Froo fhe, Cxeo�cchri('Caf lvlves�isqfiloyl b.9 Liu 9-4ssoc
otq�ed Oc-4-, 22, 2002 -�he so(*l modomf-e
per m ea b t'I(At. Herice) use an Wlf-rafiori 'Mf��
I " o r �-o m /%,g 2,001 rm Via ter
Matiagemenf Mawatt, (fowled �09ether w4h ct
cortecfiori �Cfor,.Of
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1/23/03
page
NORTH CREST
DEVELOPMENT
20508 85TH PLACE WEST, EDMONDS
BASIN
SUMMARY
BASIN ID: B10D
NAME: 10 YR
STORM, DEVELOPED SITE
SBUH METHODOLOGY
TOTAL AREA ....... :
0.09 Acres
BASEFLOWS:
0.00 cfs
RAINFALL TYPE .... :
TYPElA
PERVIOUS AREA
PRECIPITATION .... :
2.00 inches
AREA..:
0.00 Acres
TIME INTERVAL .... :
10.00 min
CN.... :
79.00
TIME OF CONC ..... :
10.00 min
IMPERVIOUS
AREA
ABSTRACTION COEFF:
0.20 -
AREA..:
0.09 Acres
CN.-...:
98.00
PEAK RATE: 0.04
cfs VOL: 0.01
Ac-ft TIME:
480 min
.0(:3,j PC -Ft
=2
MANUAL, U.S. Department of Agriculture, October 1993, page 136).
This manual only considers soil passing the #10 sieve (2 mm) (U.S.
Standard) to determine percentages of sand, silt, and clay for use in Figure
7.1 (USDA Textural Triangle). However, many soil test laboratories use
the ASTM soil size distribution test procedure (ASTM D422), which
considers the full range of soil particle sizes, to develop soil size
distribution curves. The ASTM soil gradation procedure must not be used
with Figure 7. 1.
Three Methodsfor Determining Long-term Infiltration Rate
for Sizing the Infiltration Basin, Trench, or Swale
For designing the infiltration facility, the site professional should select
one of the three methods described below that will best represent the long-
term infiltration rate at the site. The long-term infiltration rate should be
used for routing and sizing the basin/trench for the maximum drawdown
time of 24 hours." It is suggested that Method I be used to corroboraie and
compare the infiltration rate estimates of the other methods, using the
appropriate correction factors. Verification testing of the completed
facility is strongly encouraged using Site Suitability Criterion (SSQ # 9.
Method I — USD,4 Soil Textural Classification
Table 7.1 correlates USDA soil texture and infiltration,rates for
homogeneous soils. It is based on the correlation developed. by Rawls�, et.
al., with minor changes in the infiltration rates based on WEF/ASCE
(1998). The infilt - ration rates provided in Table 7.1 represent short-term
conservative rates for homogeneous soils which should be used for
treatment soil suitability determinations. However, these rates -do not
represent the effects of site variability and long-term clogging due to
siltation and biomass buildup in the infiltration facility.
Table 7.1 Recommended Infiltration Rates
based on -USDA Soil Textural Classification.
Estimated Long -
*Short -Term
Term (Design) -
Infiltration
Correction
Infiltration Rate
Rate (inJhr)
Factor, CF
(in./hr)
Clean sandy gravels and
20
2
10
gravelly sands (i.e., 90% of
the total soil sample is
retained in the #10 sieve)
Sand
8
4
2***
Loamy Sand
2
4
0.5 -
Sandy Loam
1
4
0.25
Loam
0.5
4
0.13
ELVAU VVr_r11-,at_Z' LYYO.
"Not recommended for treatment
Refer to SSC-4 and SSC-6 for treatment acceptability criteria
August 2001 -Volume V —Runoff Treatment BmPs
7-7
To determine long-term infiltration rates, Ecology's Technical Advisory
Committee (TAQ recommends that the short-term infiltration rates be
reduced as shown in Table 7. 1. A correction factor of 2 to 4 is assigned,
depending on the soil textural classification. These correction factors (CF)
consider an average degree of long-term facility maintenance, TSS
reduction through pretreatment, and site variability in the subsurface
conditions (due to a deposit of ancient landslide debris, buried stream
Shannels.,ja!e�in size variability, etc. that affect hQmogeneity).'
no case shall a correction factor less than 2.0 be used.
However, these correction factors could be reduced, subject to the
approval of the local jurisdiction, under the following conditions:
For sites with little soil variability,
• Where there will be a high degree of long-term facility maintenance,
• Where specific, reliable pretreatment is employed to reduce TSS
entering the infiltration facility
Correction factors higher than those provided in Table 7.1 should be
considered for situations where: long-term mainten . ance will be difficult
to implement; where little or no pretreatment is anticipated; or, where site
conditions are highly variable or uncertain. These situations require the '
use of best professional judgment by the site engineer and the approval of
the local jurisdiction. An Operation and Maintenance- plan and a financial
bonding plan may also be required by the local jurisdiction.
Method 2 — ASTM Gradation Testing at Full Scale Infiltration Facilities
As an alternative to Table 7. 1, recent studies by Massmann and Butchart
were used to develop long-term infiltration rates provided in Table 7.2.
These studies compare infiltration measurements froin full-scale
infiltration facilities to soil gradation data developed using the ASTM
procedure (ASTM D422). The data that forms the basis for Table 7.2 was
from soils that would be classified as sands or sandy gravels. No data was
available for finer soils. Therefore, Table 7.2 should not be used for soils
with a d, 0 size (10% passing the size listed) less than 0.05 mm. (U.S.
Standard Sieve).
The primary source of the data used by Massmann and Butchart was from
Wiltsie (1998), who included limited infiltration studies only on Thurston
County sites. However, Massmann and Butchart also included limited
data from King and Clark County sites in their analysis. . This table
provides recommended long-term infiltration rates tha"t have been
correlated to soil gradation parameters using the ASTM soil gradation
procedure.
X
7-8 Volume V — Runoff Treatment BMPs August 2001
RICK"KLEMM 42S 771 7661
L 1 11 wi, :;-� 0 1: 1 �4 T E:,-�
I— .., 01�122',103 Oe . .49am P: 001�
48 Pin 27 4 -.
P . �.-) 1
IJIJ &
g Geology E3rth Sclann,)
October 22, 2002
Mr. Rick Klemtn
Noilli, Cre.,;t Developr-ient Corp,
P. (). Box 340
Edaiouds, WA 98020
Dcar Mr. Klenan:
tivestligatiori ffir SOJ I Bt�� rin Capacity
Proposcd Sir-iaje-Fcj!jjily
2050S — 85"' Plac�� West
almonds, wa-Siling"on,
L&A fo� No. 2 1. 3 8
INTRODU"CrION
At VOUt' TOqLIC-St., we have completed a iI:Ic0te-,!wi,,.,,aJ investigation fol soil bearing capacity of tile ](.,1 1.,
(1,c above address orl wNcIi a 5higle-fallifly residence is proposed. Pre.ct.-ited in Ibis !M01' RrO OUr
Andings, conclusions mid recom.n)etidation"'.
SI.IRFACE ("ONDITJONS
Th,.- generat localion of the sub:ect lot is showr On Plate 1 —Vicinity I'viap, attached to tl)ls jetcer.
The ground witbin 1he lot is very gen-dy sloped. A pre-existing hCILISe On the lot has been demolishcd
and its foundation system -iemoved.
GHOLOGA'SEIIING1
The Ckologic Nlap of ffie Edmond,-, East and Part Of t"Ac Edmonds West Qui.&, igjg t) ,
by James P. Minard, published by 1-17. S. (jeclogicil S�Jrvey in A' 983, was referenced for tile scoloaie
t,
and soil coadi-lions at the site. According to this puhlication, tho. surficir:ki soil unit is niappe(i as
'19213 Kenlake Place NE Kenmore, VVA 98028
Phone 4M483-9134 Fax14MAS8.274A'
RICK KLE1 V 5 77. 7ael'. 002
LILI :,: H:-z;S 0,.-, 1,�4 T E �-=;
Octobcr 22, 2002
M.r.-, R161 K.lumm/Not-th CrestDevejop.jiej,,t
L&A J o b No. 2 13 8
Page 2
4 iS'2: 7 4 E.
P . 0 '�:
Va�Jion Till (Qyl) depo.5it, In ffie iower axcas, a few ii -jjcjrej vaj,Ljs to �jje,.- oth and
cast of flic, lot, dic
Vas!"or, IiA unde.rlain by an Advance Outv.'ash soil unit,
T]- � I
Vashon Tj.!j was depoz
ited cfi.nn�tly bY glacial ice durin� tbe rect. al "KIII-lod it
�j) t g . 1�jci, A
advaiiet,J. over an exo6ed, irregilia): sjirfac,� (�)f (,idcr fcrnlation,', and sediments. It is a mixturc� of
11j'1SQiu-.d cla,�� Silt, sand, gravel. -md scattered cobbles a�.ia bonldors. Gencrally, the tc)jj t%N�(j 1(� jjv�;
fi7et of tbe till is usually weathered to a mediijn.� dense state with modevate permenbility,
undcrlying fresh Til". ",O.ulu�oaly referred to as "hardpan", is vlertr dense and of extronlely
Tj',.e Advance OuTwasli consists of scrallfied �and arid widi minor amIUMAL5 Of Silt ill)(i C
dopositeA by the ri-w-ltwatcr of advancjilg glaclai WL'. J.t generally underlies glacial t.ill. I-)1.10 to Its
graoular composition, the Advmwe OUlt-NZISh is Of "'Od'-z-ately high permcability and gen.crzil-"Y drail"S
w-ell. The Advaticc Outwash is glacially ove.-coeden md is genenlly dejl�so to Very . dclise in jl�
-iatutall, undisturbzd suqtt�, It can stand in stelep -,uts t).r natusal. slopcs w1hen undiStUrbed. T] -.- e
Advance Outwwsh in their natM-, undisturbed .',f-ate cati provide very g
ood fk)ujjj,,jtioIj suppon widl
i 'itt,
'o sctticmQuL expected for llight to moderate residential structurel�'
SUB,;URFACE COJNDJTION.�
Tlirec shallow,hand-dug pits were c--\cavated on flie lot to explore tl-,e soil conditions at ti-ic 10 7.
pi's 6acournered about 20 to 30 Mrhes ol"brow-n, meliu.m-detise.- fille- lo niedium sand vvith a ta-,�c of -
gravel. Undexlying the surS.-ial brown 5andy sol!s is a taii to liight-broxv.n
modium sand deposit fittlng the description, Olt' th.e Advance OWwas'.,j. Cjrouj)(iWA1k�r ',X'A.3 WA
encoun,tered by the pits.
LILI & ASSOCIATES, INC.
FZICK,i,KLE21M '425 771 76S I
01, - =/03 06. - 4Saim '. P. 003
Ovider 22, 2002)
Mr. Rick KlemYO/North Cte,-.t Development
L.&A Job No. 2138
Page 3
4Bt;2746
RECOMINI'ENDATIONS
P. C13
Conv.-litional .(boting folundat ions may be used for SUPr,011ing the home to be construved o.ii ilw Iot,
The Rioting foundations shoul�`" be ptaciM on mv into th- underlyiilg, dorise, tan to ]:,Qlht-brmvi,�
gravelly, fine to meditmi d�aisc sand deposit. W"ater should not be allowed to accurmilatc hi
cxcavated footing trenches. Divurbed Solls ill footing trerclics S11101.11d. be ciinmplctcly vcnioycd Ca
).oi-o)igh1v re -compacted pr,ioT to pounnor concrete tbr -zlie footings.
ILI the above reconimendaiions aKe followed, our rem-arnended design. criteria f'or footiar,
fOL11111tion.s are as fcjllow,�:
vable soit bea-ving' pre:.isurc for footing ibundaions,_;1JOading dead and live londs,
should be no greater than 3,600 ps.f. The footizig. bearmg $Ci.lS 91 )OLdd be vciified on-shc by a
geotechnical engineer after the fonting tretiches Irlave been e:,�cavated and beforc the. footitigs
are Poured.
The miaimum depth to bottom of perinmr fooTin�s bellow adjacent final cxv-.rior giade
sbould be no lesq thaa IS inches. The -MibinlLun dcpth to bauom of the hitcrior f(-,otinos
below top of floor slabshould be no IeLss tiian 121 inches.
The minimlim width should be no less, lhaan 16 Mclics f'or co.-ritinuous wall footings, aml na:)
Icss than. 24 inches for individuall, footin.gs,
VVe are pleased to be of service to you on this pro ect. P!easC C,911 if �'OLL have any gacmions.
G
Yours very truly,
A 194S
L)(T ."S'SOCIATES, INIC.
I.T A�;rJ'.X, 01
T"T,
I S. (Julian) Liu, PhD., P,E.
V Iting Geotechnical Engincer
Consul
N.
Onci plate attached.
LIU & kSSO(1'j_AT.FS, INC.
R-ICK�XLED'" 4Z5 771 7661 01/Z'—'/03 06:4Sam P. 004
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