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PROVIDE ADEQUATE STRAPPING RISER
POLYETHYLENE CAP SEE TABLE FOR SIZE AND ELEVATION
B 5n MINIMUM DIAMETER CORRUGATED METAL RISER
PERFORATED POLYETHYLENE
L0 DRAINAGE TUBE. WATERTIGHT COUPLING
TUBING SHALL COMPLY =
W1TH ASTM F667 AND TACK WELD
O AASHTO M294 - SEE TABLE FOR ORIFICE DIAMETER
Z
LLIC DEWATERING ORIFICES (SEE TABLE)
SEE TABLE FOR WATER SURFACE ELEVATION
� SCH 40 STEEL SNB
SEE TABLE FOR POND BOTTOM ELEVATION 1,5 1SEDIMENT 1 r
XSTORAGE / j���\�j� ;� OUTLET P EE SHEETS
Q \ \\ \\ \\/\// I I D-1.0 FOR SIZE
2 MAINTENANCE STANDARDS:
cc U 1. SEDIMENT SHALL BE REMOVED FROM THE L — — — -:T—CONCRETE
Q POND WHEN IT REACHES 1' IN DEPTH. ALTERNATIVELY, METAL STAKES AND
U 2. ANY DAMAGE TO THE POND EMBANKMENTS 24" - WIRE MAY BE USED TO PREVENT
SHALL BE REPAIRED. FLOTATION.
TEMPORARY STORM DRAIN RISER DETAIL %1
F NTS I l
F
G
A
J
159
L
2:1 SLOPE
GRASS OR ROCK
LEVEL BOTTOM u€
\�pfi 1' MIN
2'
TEMPORARY INTERCEPTOR SWALE
1505 Westlake Ave. N. T (206) 522-9510
Suite 305 F (206) 522-8399
Seattle. WA 98309 wwN.Pxtarvo.mN
NTS
BOTTOM ELEVATION
STAFF GAUGE W/ PROMINATE
MARK 1 FOOT ABOVE THE
BOTTOM OF THE POND
6' MIN. TOP WIDTH OF BERM
1 (R(ISER PIPE 62.
CREST OF EMERGENCY
2 OPEINCAT TOPP WTH Y) 2. SPILLWAY
TRASH RACK
OR SED. POND TOP ELEVATION 1
_======-
1eDEWATERING 1' FREEBOARD EMBANKMENT COMPACTED 95X
2, DEVICE PERVIOUS MATERIALS SUCH AS AS
GRAVEL OR CLEAN SAND SHALL
3.5' SETTLING DEWATERING yn=------------L NOT BE USED.
ORIFICE _______________�
DEPTH ^______________ < HAND PLACED RIPRAP FOR
1.5' SEDIMENT_______________=__�"PtOUTLET PROTECTION
S{ RAGE - -- --- -- -- -
III � DISCHARGE
3' -HIGH WIRE -BACKED SILT
FENCE STAKED INTO SIDE SLOPES
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. PUBLIC WIMIKS SILT FENCE [!;t
DEPARTMENT 2009
CITY OF REMON
SILT FENCE
NTS
ONCRETE BASE
SEE RISER DETAIL)
TEMPORARY SEDIMENT POND SECTION
NTS
H+0.5'
SEDIMENT POND SIZING
SEDIMENTATION
.o•I.•,Nm�N
TOP OF
LENGTH OF
HEIGHT OF
�anM
POND, TOP OF
BOTTOM
POND
ORIFICE
RISER
ELEVATIONS
SILT FENCE
NTS
ONCRETE BASE
SEE RISER DETAIL)
TEMPORARY SEDIMENT POND SECTION
NTS
H+0.5'
SEDIMENT POND SIZING
SEDIMENTATION
POND
TOP OF
LENGTH OF
HEIGHT OF
SLOPES (0)
POND, TOP OF
BOTTOM
POND
ORIFICE
RISER
ELEVATIONS
RISER
0.4'
50' X 172'
41' X 163'
56' X 178'
3.8°
18N
TOP=22.36
RISER=21.36
OUTLET=17.86
BOTTOM=16.36
NOTE:
RISER PIPE AND DISCHARGE PIPE SHALL
BE DESIGNED TO PASS THE 100 -YEAR
FLOW FOR THE EMERGENCY OVERFLOW.
EMERGENCY SPILLWAY
SIZING
ANGLE OF SIDES
LENGTH OF
HEIGHT OF
SLOPES (0)
WEIR (L)
WATER OVER
WEIR
(H)
60'
6'
0.4'
EMERGENCY OVERFLOW WS
1 1
/1 Ci /1 Ci
L
EMERGENCY OVERFLOW SPILLWAY
—III
—III- 0.5'
—III -
OVERFLOW
NTS
CITY OF RENTON � Wi1/o6/n
AS NOTED �A'••' � CITY OF CARIIIB_i(_ STORE NO. 7252
Approved by. Date--- RENT ON
LI{ THE AUTO SUPERSTORE Approved by------ Date--- �- WE M.,w NO
Planning/Building/Public Works Dept. :
Date--- DATUM EROSION CONTROL DETAILS
Approved b Y___ �wFF � • D-2.1
Approved by.______ Date___ N0. REVISION BY DATE APPR AS -BUILT Sj�'
WS TT
ROCK LINING PER TABLE 4.4.1.A
OF THE KING COUNTY 2009
SURFACE WATER DESIGN MANUAL
°`
R-394038 1 6 0 0 3 1 5 E