Piphw- main dam package - additional works-investigation, survey. preparation of designs & drawings etc., (1) construction of rcc diaphragm wall end cutoff for spill channel (2) mini) stone columns and deep soil nixing in gap•ii (3) construction of ecrf dam gap•i including diaphragm wall cut off vitro stone columns and deep sod miring, connate dam gap-iii and (4) slope protection works on both sides of spillway and spill channel etc., of polavaram irrigation project- l.s. contract system.
Piphw- main dam package - additional works-investigation, survey. preparation of designs & drawings etc., (1) construction of rcc diaphragm wall end cutoff for spill channel (2) mini) stone columns and deep soil nixing in gap•ii (3) construction of ecrf dam gap•i including diaphragm wall cut off
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