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) vibro stone columns and deep soil mixing in gap-ii (3) construction of ecrf dam gap-i including diaphragm wall cut off vibro stone columns and deep soil mixing, concrete 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) vibro stone columns and deep soil mixing in gap-ii (3) construction of ecrf dam gap-i including diaphragm wall cut off vibro
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