Delhi Urban Shelter Improvement Board Tender

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) 40 mm nominal bore

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, upto 90 metre depth below ground level. Rocky strata including Boulders 300 mm dia

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, beyond 90 metre & upto 150 metre depth below ground level. Rocky strata including Boulders 300 mm dia

Gravel packing in tubewell 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.

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/ plain ended casing pipes of required dia, conforming to IS: 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge. 150 mm nominal size dia having minimum wall thickness 5.00 mm

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/ plain ended casing pipes of required dia, conforming to IS: 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge. 200 mm nominal size dia having minimum wall thickness 5.40 mm

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed / plain bevel ended pipe (type A) of required dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm, including painted with outside surface with two coats of anticorrosive bitumastic paint of approved brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer -in-charge. 150 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed / plain bevel ended pipe (type A) of required dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm, including painted with outside surface with two coats of anticorrosive bitumastic paint of approved brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer -in-charge. 200 mm nominal size dia

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 tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge.

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: 200 mm dia

Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. 200 mm clamp

Providing following submersible pump set and accessories i/c lowering of pump set suitable by using tripod stand & chain pulley etc. and fixing of the accessories & connections etc as reqd. (1) Duties of pump set:- (a) Medium clear water (b) Head range:- 71-136 mtr ©Discharge range:- 6-2 M3 /Hr (d) Delivery dia:- 40 mm (e) Pump type- Make KSB water cooled model CORA 4C/23 operated on. (2)S/F of control panel board complete with ammeter Voltmeter starting capacitor 200/250 HF running capacitor of 75 MF over load relay 17.4-24 Amp. And ON/OFF switch buttens etc. (MR) (BCH/Havells make) 1 no. (3)S/F Gun Metal NRV of size 40 mm dia etc. (ISI Mark) - 01 no. (4) M.S. Clamp set suitable size complete with nut bolts - 02 set (5) M.S. bore cover cap -01 no these item are includes provision , lowering/fixing , testing and commissioning of aforsaid pump set & accesorries as reqd. (MR)

S/F of PVC insulated and PVC sheathed copper flat sub . Cable following size tc as reqd. (MR) ISI mark (a) 3X4 sq.mm

S/F of 40 mm dia GI pipe medium class i/c making water tight connection etc as reqd. (ISI mark) Mr Jindal, Prakash, Surya and Shrikrishna make.

S/F of 40 mm dia GI socket /elbow i/c making water tight connection etc as reqd. ISI mark (MR)

S/F heavy duty GI flanges suitable for 40/50 mm dia GI pipe i/c 15mm 4 nos. nuts and bolts for sub. p/set etc i/c rubber packing as reqd. (MR)

S/F steel rope of 6mm dia for protection of pump as rqd.

Add as circulated by CPWD 31.27% cost index on item No. 1 to 14 i.e. on Rs. 5,43,263.78

Deduct as circulated by GNCTD (-) 9.50 %