A/M OF L/S WORK OF GOVT. COLLEGE SEC-14 GURUGRAM FOR THE YEAR 2022-2023 (INSTALLATION OF SUBMERSIBLE TUBEWELL).

Amount

Installation of Submersible Tubewell 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, up to 90 metre depth below ground level. All types of soil 300 mm dia (HSR 33.6.1.1)

Supplying, assembling, lowering and fixing in vertical position in bore well, Unplasticised PVC medium well casing (CM) pipe of required 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. 150 mm nominal size dia (HSR 33.8.2)

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. 32 mm dia nominal bore (HSR 22.88.4)

Supply and jointing three core submersible flat cables of approved make with bare bunched copper conductor insulated and sheathed with PVC for submersible pump motors /fountain lights etc with voltage grade 1100 volts marked with IS:694, 1990 including cost of jointing, materials as well as carriage, loading, unloading etc. complete in all respect up to the entire satisfaction of Engineer- in-Charge. Submersible Copper Cable 3 Core 2.5 sqmm (HSR 24.5.1.2)

Supply and lowering ISI Mark 3 HP single phase Submersible motor with pump of Lubi, KSB, Crompton, Texmo etc (along with Nylon rope) (NS item)

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for bore well of: 150 mm dia (HSR 33.16.2)

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. 150 mm clamp (HSR 33.17.2)

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). 150 mm dia (HSR 33.18)

Providing and fixing gun metal non- return valve of approved quality (screwed end): 40 mm nominal bore Horizontal (HSR 22.99.3.1)

Supply and fixing ISI mark panel board of 3 hp of BCH, Cuttler Hammer, L&T, Boparai etc. with Lock & Key Steel Box (NS item)

Supply and fixing of 16 mm armoured cable of R.R./Havells/Fenolux make. (NS item)

Development of tube well in accordance with IS : 2800 (part I) and 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 33.19)

The Chaudhary Cooperative Multi Purpose Society Limited