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CB 5 �
LLL I. TT/.VV PUI U / l/ ■b.5-` L / llUA/A-A
SCALE.- HORIZONTAL: 1 "=20'
VER77CAL: 1 "=5'
INSTALL STD. KING COUNTY PERMANENT SURFACE
WATER CONTROL POND SIGN /N ACCORDANCE W/ 5' WOE CONC.
FIGURE 5. J I D OF THE 1998 KING COUNTY WA TER SIDEWALK SIDEWALK (5" 7HICK) r Y HIDE ASPHALT THICKENED EDGE
-, � INSTALL J REMOVABLE BOLLARDS A T 4'
„�, ,,,. , , , ..„ , . , AAIn FA q'FAfFA✓r I �F IYTA// stir r T . f> 0. C. SEE DETAIL, SHEET CJ Jl
� h
DETENTION POND PLAN
SCALE.-- 1 "=20'
REQUIRED.• 109,514 CF REQUIRED.- J4, 980 CF
PROVIDED: 128, J22 CF PRONDED.• J6,110 CF
R/W
465 1
_ 6' INOE BERM
- - - - - - - EXISTING GRADE ELEV 459.20 o PROPOSED GRADE
460 ................ .... - _ (TIP) o�_ 5' SETBACK (TIP)
- - _ FROM TOE
-----�jDESIGN- - 45--- _�t------------- SLOPE
455 --�` .................
�1
4V4 . e QWQ WS.ELEV452.0 _--
450 _ ........................... :............
BOTT6W ELEV. 448.0
445
POND CROSS-SECTION B-B REMOVABLE WATERTIGHT
COUPLING OR FLANGE
SCALE- HORIZONTAL: 1 =20'
IERRCAL: 1 =5' 6" CMP
EMERGENC Y SPIL L WA Y/ACCESS ROAD DETAIL
NO SCALE
GRASS SEED MIX OPTIONS
SPECIES NAME
CUL77)RAL /NFORMA776W
M/X 1-W5U
MIX 2-BARCLAY
M/X J- IMAGINE
DWARF PERENNIEL RYE BARLYA r'
SPREADS LATERALL Y. LIQYTER QWEEN-1£LLOW CU! X.
iQx
7ar
--
(LQJLAU PERENNE BARLYAY)
8ARaAY PRODUCES SYIAPT STOLUV
IMAGINE° PERENNIAL RYE
RYE N/LL COWR IN FALL FUR ER0.9aV CaVTRLY,
--
--
40X
(L61bUY P£&9VNE W 6K-)
AIE£DS FER&E SUL 64 WSLEPTi1 f TO DISEASE.
DWARF TALI FESCUE
HAS EXTENSyb£ ROOT SY57EM, CAN N/THSTAMO
Oar
--
--
(FESTUCA ARUNLWVACEA SR?)
DROU YiT STREWS IF SUL DEPTH SUfF1LYENT. CAN
NN OUT AV AV)FR, AAAr NEED OWRE£bW6
RED CREEPING FESCUE
LEAWS LAY OVER, DX-W'T LAf NET AREAS
25X
tar
Oar
(FESaITA R& WA )
AURUWA RED FESCUE
HARD FESCUES DISEASE TLY.ERANT. RIWR
--
/OX
--
(FESTUCA 97)
Q IkW 0 EN. RXERATE SOW WAX
'WARWL7(' HARD FEZL&F
HARD FESCUES DISEASE TLYERANT. SL£MQER,
--
--
tar
(fFSTUCA SO.)
&USYI GREEN. 7OURATE SOME WA4Q :
L'LYUVIAL aFNTCRASS
LANKY IF NOT MONED CLOY M "NO.
59
--
--
(AQWO57IS W.)
MUAERA7EL r NET 7U.ERANT, LAKES FULL SUN.
' NH/TE DY 70Y CLOWR
NITROGEN FIXER, f1LLS IN 6E7NEEN LYLAPS LE
NOT M
--
--
(TWCUUM REPENS)
OThfER QWASSW"S RHYZCWATOU.S:
EXLfED
5X
INSTALL 57D. KING COUNTY PERMANENT SURFACE
WATER CONTROL POWD SIGN /N ACCORDANCE W/
FIGURE 5 J 19 OF THE 1998 KING COUNTY WA TER
NO SCALE
GRATE (LID)
EL. = 460.50
JA/LHOUSE NEAR (3/4" 0 SMOOTH -
BARS AT 4" O.C.)
HEIGHT = 6 "
LENGTH = 4.60'
(GROUT AROUND FRAME
6"
AS NEEDED)
AMIAN..
EL. 458.15
�-
(DES/GN W.S. ELEV.)
f -- ---
8" SHEAR GATE WITH
CONTROL ROD FGR
CLEANOUT/ORA/N
(ROD BENT AS
REQUIRED FOR
VER77CAL ALIGNMENT
2'
W IH COVFR) SEE
MIN.
KCRS Dire 2-026
18" FROW POND
RISER BRICK OR
ADJUSTMENT RINGS
AS REQUIRED. (TIP.)
54" UNIT R'
TOP SLAB
TOP OF
RISER EL. 458.15
6" ELBOW, SEE DETAIL
- THIS SHEET
ORIFICE DIA. =2 0
ELEV. 457.10
6" ELBOW, SEE DETAIL
THIS SHEET
ORIFICE DIA. =J'O
ELEV. 456.00
STANDARD GAL V C.B.
ADDER STEPS. (TIP.)
18"TOCB1
l l F 4.52.00 I.E.=452.00
T12' GROUT AS
Mii✓ - REQ D
1E1X 18X 18X 8"
cMP CROSS.
SECURE OVERFLOW PIPE
H
2 TO C.B. WTH STAINLESS Q
MIN SIFEL OR ALM/NUM
TYPE It C.B. O
METAL STRAPTYP.
DRILL OR MACHINEJ14v
NO7FRES1RlCTOR END PLATE • ALL METAL PARTS AND SURFACES MUST CUT 1 CTHOLE IN () N Z
BE MADE OF CORROS16W RESISTANT MA7FRIAL OR 1
COMPLE7F CORROS16W PRO7FC776N MUST BE ASSURED. O - O �y
I' SECTION OF PIPE
ATTACHED BY GASKEIFD Q O
BAND TO ALLOW REMOVAL _ Q
CE 2 (CONTROL STRUCTURE)
SCALE: 1 "-2' W w
STAINLESS STEEL o W
INFORMA T/ON PLA TP ci
A TTACH INFO. PLA 7E TO INS/DE OF CB 2 WHERE CLEARL Y VISIBLE FROM CB RIM
EIENDELL, L01POO16A & L0JfiS9J8
DEVFLOPER.• SBl DF6LOPING, LLC
ENGINEER- CORE DESIGN, INC.
SURFACE DESIGN MANUAL CB e CGWTRACTOR.• 5TA. DISCHARGE (CFS) WL. (C.F.)
DATE APRIL 2004
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72" 1. D. CB
"=2'
MANUAL. KCSWDM 1998
RELEASE RA IFS
45.E 0 0. 08
li, 500
AD.
SCALE.• 1
2YR. - 0.20 CFS
454.0 0.12
29,000
FT
10YR - 0. 58 CFS
455.0 0.14
45,, 000
_
..
100YR - 2.62 CFS
456.0 0.16
6,3, 912
ORIFICE S7RUCTURE.
457.0 0.4J
84,000
1 N
L 0#ER 1 J/ " IN.
458 0 0. 65
105,850
MIDDLE Jo
i
UPPER 2"
OVERFLOW ELEV 458.00
MAINTENANCE INTERVAL: 1 YR.
E
452.00 l(OUT)
CELL 2 WETLAND PLANTS
SPECIES NAME
CONMON NAME
NOTES
MAXIMUM DEPTH
CAREX U9NUPTA
S7OL06H SEM
NET QPOUMD a? STANDING NA TER
1.5 TO J FEET
8GxmAANA SYZAGAYANE (1)
WESTERN SIOUQY67PASS
NET PRAhW M PUVD MARONS
-
SaVPUS ACURIS (2)
HARDSTEU bU RUSY
SSE TALL SMXA NOT CLLAM°MVG
TO 9 FEET
SQlRRJ5 VALAAUS (2)
SOF1345 A BLA!RUSYI
-
NOTE.£-
1, NL I-NAn4£ -SPEOES LFLW..M,"jA SM- !0WE L NA17W TO UWEGUN NAnVE SPEa£s ARE PREFERRED
2 SORPUS N EARS AU/ST BE PLANTED SYAAUONER FUR E57ADII9 CNT, AND PROTECTED FROM FUWAQYNG NATERFOK
UNAL ESTABL19 ED. EAAEROW AERIAL STEMS 9I6ULD A?OECT A190W NMTER .9 WFALE TO ALLOW OXYGEN TRANSR'QRT
TO THE ROOTS
KING COUI
AN D.D.B.5.
RENEWsiaim# COMPLEnOV DATE
SENJ ENGI� �- --CO ODLERaV DATE
JA H. SA SIR APPR � DDATE
DEWEL U9MEN T ENQWEER
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18
PROJECT NUMBER
04009