Unit Rates Of Composite Items For Recharge Scheme For Defunct Private Tube Wells/Wells For Groundwater Recharge With Public Participation In Kachchh Dist.

Jungle cutting and site clearing.

For filter trench, excavation for pipeline laying up to 1.5 meter depth in all strata including providing all leads and lifts for excavated soil.

For filter trench, excavation for pipeline laying from 1.5 meter to 3.0 meter depth in all strata including providing all leads and lifts for excavated soil. Scope of Work

Providing tarpaulin sheet of 250 GSM thickness

Pebbles of size 5 to 10 millimeter (river pebbles).

Gravel of size 2 to 5 millimeter

Activated charcoal of size 3 millimeter

Coarse sand

110 millimeter diameter PVC pipe(4 kg/cm2).

1200 millimeter diameter RCC NP-3 class pipe

Brick masonry work in cement mortar (1:4) inside 1200 millimeter diameter R.C.C. pipe.

Backfilling of excavated trench for pipeline with soil

Disposal of excavated soil obtained from Defunct well

Providing and fixing grill cover made of angle 35 x 35 x 6 millimeter and wire mesh

Brick masonry work in cement mortar (1:6) for 9 inch thick parapet wall around closed well

Pressurewashing tubewell by air compressor of 600 cubic feet per minute / 150 pounds force per square inch capacity

Oil painting to exposed portion of tubewell pipe

Providing and fixing tubewell type “V” wire screen ISI approved pipe (opening size 1.5 to 3.0 mm).

Welding of “V” wire screen pipe with tubewell pipe