HomeMy WebLinkAboutTED4001943.2T E M P O R A R Y E R O S I O N A N D S E D I M E N T A T I O N
....N.T.R...L...N...T.E.S............................................
1. THE CONTRACTOR SHALL PROVIDE AND MAINTAIN TEMPORARY SEDIMENTATION
COLLECTION FACILITIES TO INSURE THAT SEDIMENTATION -LADEN WATER DOES
NOT ENTER THE STORM DRAINS OR NATURAL DRAINAGE SYSTEM.
12. ALL DISTURBED AREAS SUCH AS GRADED AREAS, PARKING, ROADWAYS, BACK
SLOPES, ETC., SHALL BE SEEDED WITH A PERENIAL GROUND COVER GRASS TO
MINIMIZE EROSION. CITY OF RENTON STANDARDS SHALL APPLY AND SHALL BE
SATISFIED. GRASS SEEDING WILL BE ACCOMPLISHED BY AN APPROVED HYDRO -
SEEDER OR AS OTHERWISE APPROVED BY THE CITY OF RENTON.
3. TEMPORARY SILTATION CONTROL FILTERS MAY BE, IN THE ALTERNATIVE,
FILTER-FABRIC/ROCK CHECK DAMS, STRAW BALES PROTECTED AGAINST BY-PASS,
OR WOOD -CRIB SAND FILTERS SO LONG AS FLOW IS POSITIVE THROUGH FILTER
AND FULLY CONTROLLED.
4. T.E.S.C. FACILITIES SHALL BE CONSTRUCTED BY PLACING SILTATION
CONTROLS WITHIN AND AROUND FLOW ZONES (NATURAL OR MAN-MADE) AND AT ANY
OTHER LOCATION WHERE SEDIMENT LADEN WATER RUNS OR MAY RUN. FACILITIES
SHALL BE MAINTAINED IN A SATISFACTORY CONDITION AT ALL TIMES UNTIL
PERMANENT CONTROL FACILITIES ARE OPERATIONAL AND IN FINAL CONDITION.
5. PROVIDE AND MAINTAIN ALL STORM WATER CONTROL FACILITIES UNTIL
PROJECT IS ACCEPTED BY THE CITY OF RENTON FOR PERMANENT MAINTENANCE.
6. REFER TO KING COUNTY AND US SOIL CONSERVATION SERVICE DESIGN AND
INSTALLATION GUIDELINES FOR EROSION CONTROL MEASURES AND FACILITIES.
THE COST OF ALL T.E.S.C. SHALL BE INCLUDED WITH THE PROJECT BID AND
THERE SHALL BE NO SEPARATE OR ADDITIONAL COMPENSATION.
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