20200424 Ver 1_More Info Received_20200421

PUMP -AROUND DETAIL
SANDBAG BYPASS -TYPICAL PLAN VIEW
DAMMED
STREAMFLOW
...........,s............... �l.........................
STREAM
FLOW
SCREENED
INTAKE
VALVE
BYPASS DAM: SANDBAGS
COVERED BY IMPERVIOUS
MEMBRANE ON UPSTREAM SIDE
VOLUME
PUMP
REMOVE SEDIMENT/TURBIDITY
INTO A SEDIMENT BAG LOCATED
ON AN APPROVED SITE
BAN KFULL CHANNEL (LEFT BANK)
b
.........TOE OF BANK FLOW
♦-- STREAM BYPASS/ CONSTRUCTION REACH
a FLOW OUTLET
................................ ......
ONTO STABLE
............................. MATERIAL
"BROWN -WATER" DOWNSTREAM OF
SUMP CONSTRUCTION
NOTES:
1. THIS DEWATERING PLAN SHOWS THE MINIMUM ACCEPTABLE CRITERIA, AND MAY REQUIRE ADDITIONAL MEASURES. THE
CONTRACTOR WILL SUBMIT A DESIGN/PLAN TO THE C.O.R. FOR APPROVAL THAT MEETS OR EXCEEDS THE STANDARDS SHOWN
HEREON.
2. MAINTAINING THE WATER TUBIDITY DOWNSTREAM (NOT EXCEEDING THE TURBIDITY OF THE UPSTREAM WATERS) IS THE
RESPONSIBILITY OF THE CONTRACTOR THROUGHOUT THE DURATION OF THE PROJECT.
3. PUMPS CAPABLE OF PUMPING STREAMFLOW SHALL BE ON -SITE UNTIL IN -STREAM WORK IS COMPLETED.
4. OVERNIGHT PUMPING IS NOT PERMITTED. OPERATE "BROWN -WATER" SUMP AT END OF WORK DAY UNTIL SUMP WATER IS CLEAR.
5. THE CONTRACTOR IS RESPONSIBLE FOR MAINTAINING THE NEW CONSTRUCTION AREA IN AS DRY A CONDITION AS POSSIBLE
BYPASS STREAMFLOW
PUMPED AROUND
CONSTRUCTION SITE
DURING CONSTRUCTION.