Tender For Redevelopment Of Existing Tube Well And Other Allied Works At Slf Okhla.; 1 Development of tube well with suitable capacity of air compressor i/c lowering of the necessary induction pipe or linei/c cost of fuel, hire charges of compressor etc as reqd. The development shall be considered complete when Gravel stop sinking, Discharge ceased to improve and the sand contents are not more than 10 PPM after 20 minutes of starting the pump complete as reqd. 2 Providing and fixing of M. S. Black pipe confirming to IS: 3589 Gr. 330 with packing sheets etc. as required of following dia. 350 mm (9.5 mm thickness) 3 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. All type of soil (350 mm dia) 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, upto 90 metre depth below ground level. Rocky strata including Boulders-350mm 5 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. 6 Providing, lowering and fixing/placing in vertical position MS Black casing medium ( B-class) pipe of following size conforming to IS 1239/3589 Part-I (2004) at all depth, both ends threaded as required.(a) 200 mm dia. (Nominal Bore) 7 Providing, lowering and fixing/placing in vertical position MS Slotted casing medium ( B-class) pipe of following size conforming to IS 1239/3589 Part-I (2004) at all depth, both ends threaded as required.(a) 200 mm dia. (Nominal Bore) 8 Providing, lowering and fixing/placing in vertical position MS Black casing medium ( B-class) pipe of following size conforming to IS 1239/3589 Part-I (2004) at all depth, both ends threaded as required.(a) 150 mm dia. (Nominal Bore) 9 Providing, lowering and fixing/placing in vertical position MS Slotted casing medium ( B-class) pipe of following size conforming to IS 1239/3589 Part-I (2004) at all depth, both ends threaded as required. (b) 150 mm Dia (Nominal Bore) 10 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 borewell. (a)200 mm dia. 11 Supply and fixing offollowing size G.I. Pipe (M-Class) i/c cutting threading on both sides etc. ISI marked etcas reqd. (d). 50mm(Nominal Bore) 12 S & F following size of G.I. Elbow. as reqd. (d). 50mm 13 S & F MS clamp made up of iron flat of size 50X6 mm with 4 nut bolt for holding the GIpipe as reqd. (b) 50 mm. 14 Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 50 mm nominal bore 15 Supplying, lowering, testing and commissioning of vertical type, multistage, totally enclosed water filled deep well submersible pumping set complete i/c connection etc. as reqd. (e) Three Phase 7.5 HP having discharge of 480 LPM Approx. at 48 M Head. 16 S&F following size of G.I.Socket as required. 50mm 17 S&F following size of G.I.Union as required. 50mm 18 P&F following sizes of PVC insulated & PVC sheathed copper conductor 3 core submersible cable confirming to IS.694/1990 etc. as reqd. (b) 3x 4 sq.mm. 19 Supply of cubical type control panel board for three phase star delta starter, three position selection with auto switch for submersible pumping set of following rating complete with single phasing preventer in auto, contactor (25Amp), 0/L relay TP, MCB, Voltmeter, ammeter, VSS and indication lamp etc. including lamp etc. including connection etc. as required. (a) 7.5 H.P. rating Submersible Pump Set Over Load relay (range13-21 Amp) & Contactor (range 25 Amp). 20 Supplying and fixing following sizes of steel flexible safety rope for holding submersible pump set i/c clips etc complete as reqd.Supplying and layingfollowing sizes of steel flexible rope suitable for holding submersible pump set i/c clips etc as reqd.(a) 6 mm dia . 21 Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thickincluding accessories, and providing masonry enclosure withcover plate having locking arrangement and watering pipe of2.7 metre long etc. with charcoal/ coke and salt as required 22 Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required. 23 Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required. 24 Supply of XLPE insulated PVC sheathed Al. Conductor Armoured Cable 1.1KV grade conforming to IS-7098 of following size: 4C*25 sqmm. 25 Providing and fixing following rating and breaking capacityand pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required. 250 A,36KA, FP MCCB 26 Providing and fixing following rating and breaking capacityand pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required. 125 A,36KA,FPMCCB 27 Supply, installation testing and commission of power distribution board made out of 1.6 mm sheet steel, epoxy powder coated, specially designed Al bus bar 400A to 630 A with heat shrinkable colour coded sleeves suitable for accommodating MCCBs/MCBs/Isolators as incoming and outgoing as required (without MCCBS/MCBS/Isolators) complete with digital meter Module, including voltmeter, Ammeter with selector switch, CTs control fuse and indicating lights including connections etc as required (conforms to IS:8623 28 Upvc pipesch 40, 50 mm dia suitable to carry the water having pressure rating not less than 6 kg / cm square 29 Upvc pipesch 40, 20 mm dia suitable to carry the water having pressure rating not less than 6 kg / cm square 30 socket for Upvc pipesch 40, 50 mm dia 31 elbow for Upvc pipesch 40, 50 mm dia 32 union for Upvc pipesch 40, 50 mm dia 33 Brass female threaded adopter 50 mm diasuitable to join Upvc pipesch 40, 50 mm dia and GI pipe 50 mm dia 34 Ball valve 50 mm dia suitable for uPVC pipe 50 mm dia 35 socket for Upvc pipesch 40, 20 mm dia 36 elbow for Upvc pipesch 40, 20 mm dia 37 union for Upvc pipesch 40, 20 mm dia 38 Ball valve 20 mm dia suitable for uPVC pipe 20 mm dia
