HomeMy WebLinkAboutR-42780700
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KEY DIVIDER INTO SLOPE TO
PfbEVE.NT FLOW AROUND SIDES
POND LENGTH (3 TO TIMES
THE MAX. POND WIDTH)
INFLOW
SILT FENCE OR
I=QUlVAI'ENT E]iVkDER
Rr5ER PIPE iFrRtNCIPAi $PILLWAY�,
OFEN A'r TC1P WITH DEEIR13 9ARRIER
SEE STD PLAN 234.21]
DEWATERING 0EIIo9CE
(SEE RISER DETAIL -
STD. PLAN 21S.10)—
WIRE-EiACFSE❑ SILT FENCE. STAKED
HAY BALES WRAPPED WITH F [LTIER
FABRIC, OR EQU[VALEN7 DIVIDER —
0EWATERFNI; OWFICE
N4TEs:
RISI`R
-PiPE
CREST OF
— -; 6' WIN I-• -
L.EVE� SPR R
EMERGENCY
GVERF LOW
SPILLWAY
CiSCHARGE TO STABILIZED
CONVEYANCE, OUTLET.
LEVEL SPREADER
EMBANKM04r COMPACTED 95%
PE-Rvi 74JS mATERLALS SUCH AB GRAVE_
GR CLEAN SAND SHALL II BE USED
1, CONDITION OF USE
1.1 A SED:MENT POND SHALL E!E USED WHERE THE CONT-RIBUT]ING DRAINAGE AREA IS 3 ACRF-S OR L ORE
7. DESIGN AND I149TALLATION SPECIFOCATIOONS
2.1 THE PONT) SHALL BE 13MDIFD INTO TWO RQLK*tY E1I VOLUME CELLS BY A PERMEABLE DI1rIDER THAT VI LICE TUROULENCE WEILE ALJOW NG
M VV_MENT OP WATER RETWE�N OSUS. THr= DIVIDER SHALI_ 13E AT LAST QN5 HALF GP7 THE HEIGHT OF THE= RISI F1. UVIRr-- - AArti {E❑, :2-TO � FfQ0T •FIGH, EX IFRA
STFLENC IM EIL1ER FA REC SUPPORTED BY TREATED 4-x4'9 MAY BE USED AS A DIVIDER- ALTERNATIVELY, S1AKE-D STRAM 8ALfS V47 "P47-D WfTH F[LTER
FABRFC MAY BE US-ED.
2.2 IF THE POW IS MORE THAN 5 FEET DE EP, A DIF FERENT MECHANISM MUST 5E 9ROPOS ED.
2.3. TO SAID IN DETERViNING SE01MENT DEPTH, ONE -FOOT INTERVALS SHALL BE PROMINENTLY MARKED ON THE RISER
3. MAIWrENI STAND"US
3.t SED11MENTSHALL BE REMOVED FROM TNE POND WHIEN IT REACHES I FOOT IN DEPTH.
5.2. ANY VAMA S TO THE POND ErulE�ANKfd1ENT$ QR :�4QPF_S E;HALL BE REPAkIRFD,
UfrL=55 OTHERWISE NOTED. PRAINING 1S NaT TO+ SCALE �k
STD. PLAIN - 2 16. 00
R
PUBLIC WORKS SEDIMENT M ENT POND PLAN VIEW AND y:
DEPARTMENT CROSS ECTI ON S arti r� I�atuh�a 81132 02 oDAYE
SEDIMENT POND
NOT TO SCALE
TT.�
G rr
0 of wasglN
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O� �'Ao +P�4597,
GISTER 1�
Know what's below. ssIONAL
Call before you dig. 09/10/2024
T A C O M A S E A T T L E
S P O K A N E T R I- C I T I E S
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422 TEL 253.383.2572 FAX www.ahbl.com WEB
PROVI(YE AIDECYJATE STR11 INS
P OLYFTWLQM1E CAP
PERFORATES] POLYETHYLENE DRAINAGE
TUBING, DIAMETER 2' MIN LARGER THAN
DEWAT EKING ORIFICE_ TUBING SI.1u4LL
COMPLY W17H ASTM F6157 AND RASH TO W94
CORRUGATitID
MF-TA1L RISER
WATERTPGHT` COUPLING
TACK WELD
WSIERPrPE PRINCIPAL. SPILLWAY II
OPEN AT TOP WrTH pEQRI$ BARRIER.
5EE STP- FI-AN 234.L110
3.5` MIN
CEW,ATER ING ORIFICE, SCH 40'STEEL STUB, MIN. # L 0' MIN
DjAMETER AS PER CALCU�.ATIDNS IN SECTION 0.2.1.5.2 OF
_
i :;LENT
+
ME CrTY OF SL�ACE WATER DES MANUAL _
�
4a
d `
1B•MI14.
CONCRETE EASE
. (ALTERNATIVELY. METAL STAKES A140 WIRE
• MAY BE USED TO PREVENT FLOTATION) ,
* d +
A
2 x RISER OK M1N.
NOTES:
EL k:QNSrRIL)I:IIQN PLANS FOR SPECIFIC PROJECT REQUIREMENT'S,
2. DEWATERING ORIFICE DIAMETER = 2.88"
Uf{ILE'S5 [OTHERWISE ROTED. DRAWING E5 NfJT TO DI -A A.:
STD. PLAN - Z16.10
� PUBLIC WORKS
I)EPARTMEN SEDIMENT POND RISERDETAIL rtin Pth1
�-�
SATE
SEDIMENT POND RISER
NOT TO SCALE
SURVEYED:
DESIGNFQ� / RI
2 REVISED PER CITY COMMENTS DATED 04/02/24 RI 9/6/24 DRAWN: I GB
1 REVISED PER CITY COMMENTS DATED 10/25/23 JMT 2/16/24 CHECK§K/ MW
NO. REVISION BY DATE APPR APPROVED:
SCALE:
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
•
CITY OF
RENTON
V'R
NUIV
Planning/Building/Public Works Dept.
*8'
* UNLESS OTHERWISE
NOTED ON PLANS 2
0000000
000000 00
0 00 00 00000
+ O O O O O 0
Q 00000000000 OUTFALL PIPE
O O O O O
0000000000000000
PLAN
'1�
EXISTING AND/OR �A plpE
PROPOSED GROUND OUT
O 0 0 n0 00
4" MIN. FACE L12" MIN. DEPTH
QUARRY ROCK
NON -WOVEN GEOTEXTILE FABRIC
MIRAFI 140N OR APPROVED EQUIVALENT
SECTION
OUTLET PROTECTION
NOT TO SCALE
R-427807
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
MAPLE HIGHLANDS
AHBL JOB #2221005.10
TESC NOTES & DETAILS
DATE:
9/6/2024
FIELDBOOK:
PAGE:
DRAWING NO:
C2.4
SHEET: 7 OF: 39
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