Tender For Water Harvesting Ground Boring Work Gate No. 5 In Canal Colony, Cantt Road, Lucknow.- Boring/drilling bore well of required dia for casing/ strainerpipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparingand 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 Engineerin-in-charge, up to 90 metre depth below ground level.350 mm dia 2 Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized 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 -incharae.150 mm nominal size dia 3 Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized 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. 150 mm nominal size dia 4 Supplying, filling, spreading & leveling stone boulders of sizerange 5 cm to 20 cm, in recharge pit, in the required thickness,for all leads& lifts, all complete as per direction of Engineer-incharge. 5 Supplying, filling, spreading & leveling gravels of size range5 mm to 10 mm, in the recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge. 6 Supplying, filling, spreading & leveling coarse sand of sizerange 1.5 mm to 2 mm in recharge pit, in required thicknessover gravel layer, for all leads & lifts, all complete as per direction of Engineer-in-charge. 7 Gravel packing In tube well construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, inrequired grading & sizes as per actual requirement, allcomplete as per direction of Engineer-in-charge. 8 Providing, fixing and warping Geotextile 120 grams per sqm membrane around the strainer pipe including the cast of labour, material etc all complete as per direction of Engineer-in-charge. 9 Development of tube well in accordance with IS : 2800 (part !) and 1S: 11189, to establish maximum rate of usable wateryield without sand content (beyond permissible limit), withrequired capacity air compressor, running the compressorfor 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 downmethod, 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-incharge. 10 Providing and fixing suitable size threaded mild steel cap orspot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for bore well of: 150 mm dia 11 Providing and fixing M.S. clamp of required dia to the top ofcasing/ housing pipe of tube well as per IS: 2800 (part |),including necessary bolts & nuts of required size complete. 150 mm dia 12 Providing and fixing Bail plug/ Bottom plug of required dia tothe bottom of pipe assembly of tube well as per 1$:2800 (part-I). 150 mm dia
