HomeMy WebLinkAboutSWP3102057.5Q
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12'
5" CRUSHED SURFACING
TOP COURSE ---
IMPORTED BACKFILL-7 \
2.5
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T.O. EMBANKMENT EL 115.17
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30 MIL PVC BASIN LINER, TYP. ----- BOULDERS TO MATCH
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EXISTING GROUND --- X¢ m w Q;0 w i
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- - ___- ______-_ -----_-- ------ - ----- __
BASIN BOTTOM EL. 108.67 _
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£5" =CLEAN SAND-
DELETF-D
A - A
(SHEETS 2 AND 5)
SCALE 0 5 10 20 FEET
1" = 10'--0"
MIN. NORMAL WS EL. 111.5--
12' _
LINE DITCH W/ 2' I,d'
QUARRY SPALLS -; r.-5' IMPORTED BACKFILL - - --- -
r--- 30 MIL PVC BASIN
CRUSHED SURFACING
EXISTING ,% TOP COURSE BASIN BOTTOM EL. 108.67 \ \ LINER, TYP.
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GROUND 2 5 T.Q. ACCESS ROAD, EL. 115.17
EL. 113.17
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BACKFILL " Dp
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LIMIT OF EXCAVATION
VEGETATE WITH LOW GROWING SHRUB
AND HYDROSEED FROM EL. 114.0 TO EL. 115.0
MATCH EXISTING SLOPE ------ -�
VEGETATE WITH GRASSES AND FORBS \
FROM EL. 111.5 TO EL. 11 4. 0 --\
8 SUBDRAIN -�
" _ - - PIPE LIMIT OF EXCAVATION ---/
D 1- L ET 1- T` B B
(SHEETS 2 AND 5)
SCALE 0 5 10 20 FEET
1" = 10'-0"
VEGETATE WITH LOW GROWING SHRUBS AND
HYDROSEED FROM EL. 114.0 TO EL. 115.0 --
VEGETATE WITH GRASSES AND FORBS ---�
MIN. NORMAL WS EL. 111.5----� FROM EL. 111.5 TO EL. 114.0
I
C)30 MIL PVC BASIN
/ --EXISTING GROUND BASIN BOTTOM EL. 108.67 -� t 1-5' IMPORTED LINER, TYP.
--------- 5" CRUSHED SURFACING TOP `\ BACKFILL ---
i 2' COURSE, MATCH EXISTING GRADE 1 1
1 1
EL. 113.17
2'
IMPORTED 2'
BACKFILL - J--� -
(TYP. ALL PIPE PENETRATIONS)
SCALE 0 2 FEET
o
1 /2" = 1'-0"
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"AND CLAMP
:OMPATIBLE SEALANT
NDER CLAMP
t 2EPARED SUBGRADE
�---8" SUBDRAIN PIPE gal
C-C
(SHEETS 2 AND 5)
SCALE 0 5 10 20 FEET
II I I
10 = 10'-0"
2" X 1/4" THICK. NEOPRENE
DOUBLE GASKET CONTINUOUS -------
2" X 1/4" THICK S.S. FLAT BAR --
3/8" X 3"" LG. S.S. WEDGE TYPE ANCHOR
BOLT WITH NUT AND WASHER CAD 12" O.C. --
PVC BASIN LINER ---
CLEAN SAND
EXISTING GROUND
�- VEGETATE DISTURBED
SLOPES ABOVE
EL. 115.0 WITH DEEP
TALLER GROWING
SHRUBS AND
HYDROSEED
OVEREXCAVATE AS
REQ'D TO ANCHOR
LINER
LIMIT OF EXCAVATION
Mapelwood Sedimentation Basin Pond Volume Calculations
TYPICAL BASIN LINER/CONCRETE ATTACHMENT DETAIL
(TYP. FOR BASIN LINER ALONG ALL CONCRETE STRUCTURES)
SCALE 0 1 2 3 4 INCHES
I C I I I I
3" = 1'-0"
STANDARD LINER ANCHOR TRENCH,
TYPICAL ON ALL EDGES
- VEGETATE DISTURBED
SLOPES ABOVE
EL. 115.0 WITH TALLER
GROWING SHRUBS
AND HYDROSEED
t
N______-EXISTING GROUND
-OVEREXCAVATE AS
REQ'D TO ANCHOR ..
LINER
El 114C
24" HEMLOCK
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i EL..104.5t /
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8" SUBDRAIN PIPE SCHEDULE
NODE
DESCRIPTION
NORTHING
EASTING
INV. EL.
BEGIN OF PIP_E__
N 176150.28
E 1311524.54
107.0
_S1 _
__ _
145' ELBOW
N 176055.42
E 1311490.59
106.5_5
_S2
53 -
45' ELBOW -
N 176052.48
E 1311492.09
106.53
S4
END OF PIPE ® SPILLWAY
N 176050.34
E 1311489.73
106.52
SEE SECTION E-E, SHEET 6 FOR SUBDRAIN DETAIL
LEGEND
HYDROSEED ONLY WITH GRASSES AND
FORBES AS SHOWN AND TO EL. 114.0
PLANT WITH LOW GROWING SHRUBS AND
HYDROSEED BETWEEN EL. 114.0 AND EL. 115.0
►r���ri�����1i�PLANT WITH TALLER GROWNING NATIVE
SHRUBS AND HYDROSEED IN DISTURBED
►�����r�������
AREAS ABOVE EL. 115.0
BASIN PLAN
(ILLUSTRATES SUBDRAIN AND VEGETATION LIMITS)
SCALE 0 10 20 40 FEET
1* 20'
Bellevue. Washington
2353-130TH AVE NE, SUITE 200
BELLEVUE. WASHINGTON 98005
FAX: (206) 883-7555
TEL: (206) 882-2455
A AS- guiLT NOTES AMDED
NO, I REVISION
SEE NOTE 2
LIMITS OF PVC
BASIN LINER
RECOMMENDED
FOR APPROVAL,
BY_ - - - -- -_
B
NOTES
U5 f(jo 1. ALL PIPES SHALL BE SOLID DOWNSTREAM OF
POND LINER.
2. SEE SPECIFICATIONS FOR REVEGETATION
OF THE SEDIMENTATION BASIN FOR
q� WAA PLANTING DETAIL (BID ITEM 28),
CITY OF RENTON
DEPARTMENT OF PUBLIC WORKS
4� 25792-
°��sS oN TE�w MAPLEWOOD CREEK SEDIMENTATION BASIN
al, RECONSTRUCTION AND IMPROVEMENT PROJECT
EXPIRES 12-21--97 BASIN PLAN, SECTIONS AND DETAILS
DESIGNED: NTD/RSP HNW DATE: 7-15-96 FILE NAME: SHEET5
DRAWN: C.L.C. HNW ---`
DW H 5 _ I (_9 b CHECKED: D.E.P, HNW SCALE: AS NOTED FIELD BOOK: PAGE:
BY APPR, DATE APPROVED: SHEET: 5 OF: 1 Q
DIRECTOR OF PUBLIC WORKS
SCANNED MAY - 9 1999
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