Construction of 02 Nos. Injection well at village Azizpur in Block Bilaspur Yamuna Nagar

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 up to 50 m and lift up to 1.5 m, as directed by Engineer-in-charge. All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work below plinth level and up to Floor IV level. 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size).

Brick work with common burnt clay non-modular bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm cement plaster of mix 1:4 (1 cement: 4 fine sand)

Drilling of bore hole of 250mm dia through bokky type instrument 0-50m BGL(PH035)

Supplying, assembling, lowering and fixing in vertical position in bore well Unplasticised PVC medium well casing (CM) pipes of required dia, conforming to IS: 12818, including required hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge.

Providing & fixing 200mm UPVC socket 10 kg.

Providing & lowering of well casing UPVC pipe 400mm dia specificaion as per IS 12818-2010(NS)

Jali, Rivet, Brass , Disco, solvent and cap (NS)

Supply, testing and lowering of ISi marked all welded stainless steel screen (SS304) cage Type V-Wire Wound Screens in bore wells conforming to IS:8110 & compositions of material as per IS:1012, outer dia 221 mm equivalent thickness required as per code, tensile load 14000 kg minimum and ring thickness as per IS code of following sizes: Stainless Steel Screens 200x8.0x0.50mm

Development of bore well by machine including labour.

Providing and placing in horizontal layers filtering media screened washed and cleaned as described below - (Top Layer ) Fine sand screened, cleaned and washed and graded (effective size 0.2 to 0.4 mm with uniformity coefficient 2.0 to 3.0) from approved source.

layer of charcoal

Providing and placing in horizontal layers filtering media screened washed and cleaned as described below - Bajri (coursed) screened and washed graded from 20 mm to 25 mm (from approved equivalent quarry)

Providing and placing in horizontal layers filtering media screened washed and cleaned as described below - Broken stone, screened, washed and graded from 50 mm to 75 mm (from approved equivalent quarry) (Bottom layer)

Providing & fixing six sides Tee 200 mm dia

Providing & fixing PVC 400mm x 200 mm Dia

Providing & fixing End cap 400mm