Name of Work: Construction of Rainwater Harvesting at Various Places in Bhadra
Sl. No.
Item Description
1
Construction of tube-well from ground levels to accommodate housing and assembly pipe of following sizes in all types of alluvium strata by percussion/ rotary drilling method and with gravel as per IS:4097-1967 and packing as per IS:2800 (Part I -& II) 1979 as amended upto date (the work includes the cost of gravel & its primary packing and packing during development, lowering of housing & strainer assembly pipes, withsupply and wrapping of coir-rope, wherever necessary for arresting fine sand particles. The work will not include cost of housing pipe and strainer pipe assembly and development work, but work would be completed after obtaining sand free water). Nominal bore 250 mm dia
2
Supply & fixing of PVC threaded casing pipes for Tube well (IS 12818:1992) of 3mtr. Each for depth up to 1200 ft. Plain and strainer Casing CS for Depth upto 400ft. All as per pre approved by Engineer in-charge. For additional technical parameters of products/work , refer Annexure \"A\" attached with this BSR . 200 mm dia
3
Development of tube well as per IS specification using suitable compressor to give sand free water for required yield of the gravel packed tube well.
4
Earth work in excavation in foundation, trenches etc. including dressing of sides and ramming of bottoms, including getting out the excavated material, refilling after laying pipe/ foundation and disposal of surplus excavated material at a lead upto 50m suitable site as per direction of Engineer for following depths, below natural ground / Road top level.
5
Brick work with FPS bricks of class designation 75 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)
6
Cement plastering including T&P, scaffolding, material and complete labpour, including cost of water, curing, racking of joints etc. with 12 mm cement plaster of mix : 1:6 (1 cement : 6 fine/ coarse sand)
7
Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level :1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)
8
Steel work welded in built up sections/ framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In stringers, treads, landings etc. of stair cases including use of chequered plate wherever required, all complet
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