HomeMy WebLinkAbout216.50RUNOFF
RUNOFF
SPILLWAY
NOTES:
1.PROTECTION SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A
DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE
CONVEYED TO A SEDIMENT POND OR TRAP.
2.INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM.
3.THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE.
4.PLACE CURB TYPE SEDIMENT BARRIERS ON GENTLY SLOPING STREET SEGMENTS, WHERE WATER CAN POND
AND ALLOW SEDIMENT TO SEPARATE FROM RUNOFF.
5.SANDBAGS OF EITHER BURLAP OR WOVEN GEOTEXTILE FABRIC, SHALL BE FILLED WITH GRAVEL, LAYERED
AND PACKED TIGHTLY.
6.LEAVE A ONE SANDBAG GAP IN THE TOP ROW TO PROVIDE A SPILLWAY FOR OVERFLOW.
7.INSPECT BARRIERS AND REMOVE SEDIMENT AFTER EACH STORM EVENT. SEDIMENT AND GRAVEL MUST BE
REMOVED FROM THE TRAVELED WAY IMMEDIATELY.
8.CURB AND GUTTER BARRIER PROTECTION MAY ONLY BE USED IN LANES NOT OPEN TO TRAFFIC.
BACK OF SIDEWALK
CURB INLET
CURB FACE
GUTTER
DRAIN GRATE
SANDBAGS TO OVERLAP ONTO CURB
GRAVEL FILLED SANDBAGS STACKED TIGHTLY
CURB AND GUTTER BARRIER
PROTECTION
STD. PLAN - 216.50
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
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9/28/2018 | 9:45 AM PDT