Supply And Stacking Of Materials I.e. Precast Rcc Slabs 70mm Thick And Rcc Manhole Cover With Frame Required For Covering Of Various Drains In Place Of Damaged/ Missing Slabs/ Manhole Damaged/missing During Desilting Of Drains For Day To Day Mainte Ee M-wz Iv Wz/tc/25-26/22/04