Recharging ground water zone from surplus water during rainy season by installing injection wells or suitable structure at 25 different location in Ateli Block in Distt. Mohinderghar under Atal Bhujal Yojana.

Amount

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m (HSR No. 4.12)

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 1:3:6 (1 Cement : 3 coarse sand (zone-Ill) : 6 graded stone aggregate 20 mm nominal size) (HSR No. 6.1.4)

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer -in-charge, for all depth below ground level 400 mm dia (HSR No. 33.7.1.3)

Supplying, assembling, lowering and fixing in vertical position in bore well, Unplasticised PVC medium well casing (CM) pipe of 200mm dia, conforming to IS: 12818, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer -in-charge. 200 mm nominal size dia (HSR No. 33.8.3)

Supplying, assembling, lowering and fixing in vertical position in bore well Unplasticised PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge 200 mm nominal size dia (HSR No. 33.9.3)

Supplying, assembling, lowering and fixing in vertical position in bore well Unplasticised PVC medium well screen (RMS) pipes with ribs 100mm dia, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge 100 mm nominal size dia (Piezometre tube at 16 nos. sites) (HSR No. 33.9.1)

Supplying, filling, spreading & levelling stone boulders of size range 100mm to 200 mm gravel size 5mm to 10mm and cource size 1.5mm to 2.0mm , in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-incharge.(HSR No. 33.12)

Gravel packing in tube well construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer-in-charge (HSR No. 33.15)

Development of tube well in accordance with IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V'' notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tube well, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge (HSR No. 33.19)

Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tube well as per IS: 2800 (part I), including necessary bolts & nuts of required size complete 200 mm clamp (HSR No. 33.17.3)

Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tube well as per IS:2800 (part I). 200 mm dia (HSR No. 33.18.3)

NEM KUMAR BANSAL (GOVT. CONTRACTOR)