A/R M/O Water Supply under Sub Division No. I, NACD, APWD, Mayabunder during 2023-24.SW-Preventive measure to control the entrance of silt into the Nallah Reservoir Tank of Source No.3 at Lucknow under Sub Division No. I, NACD, APWD, Mayabunder

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge.

All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Providing and driving into soil, G.I. pipes of 65mm dia of suitable length at suitable interval including extending the height of pipe by welding wherever necessary complete as per the direction of Engineer-in-charge.

Supplying & filling stone boulders of size range 5cm to 20cm to act as filter media back fill to drain off accumulated seepage water for all leads & lifts, all complete as per direction of Engineer-in-charge.

Providing and welding steel TMT bar of grade Fe 500 D & dia 16mm into the frame made up of G.I. pipes (100mm dia) at suitable interval all complete as per the direction of Engineer-in-charge.

Supplying preparing and priming the reinforcement steel with epoxy zinc. Primer or epoxy anti- corosive paint (Conforming to having IS/ BIS certification) including the cost of all materials, labour, minor tools etc.

Carriage of materials by head load for an average lead of 160.00 mtr & lift 15 mtrs.

Steel, G.I. pipes & angles

Boulder (5cm to 20cm)