Improvement of tubewells installed at various MCD (P) Schools in ward no. 196 to 203 (except 201) under AE(E)-II, Shah (South) Zone.

Part-A :Development of tube well with suitable capacity of air compressor i/c lowering of the , necessary induction pipe or line i/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.

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. Single Phase 1.5 HP having discharge of 72 LPM Approx. at 49 M Head.

Supply, Installation, testing and commissioning of cubical type control panel board for single phase & Three Phase submersible pumping set of following rating complete with contactor, relay, MCB, condenser, voltmeter, ammeter and indication lamp etc including connections etc as reqd. 1.5 HP (Single Phase)

P&F following sizes of PVC insulated & PVC sheathed copper conductor 3 core submersible cable confirming to IS.694/1990 etc. as reqd. 3x 2.5 sq.mm

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.

Supply, lowering and fixing following size of G.I. Pipe (M-Class) i/c cutting threading on both sides etc. ISI marked etc as reqd. 32mm(Nominal Bore)

Rewinding of single/three phase A.C. motors of vertical type multi stage submersible pump set of following ratings:- (a) Single phase 1/1.5 HP

Replacement of following items for cubicle panel etc. as required. (a) Capacitor 36 mfd.

Lifting the existing submersible pump set with its all accessories from well and lowering the same along with all accessories for the depth upto 50 metre complete as required.

Supplying and fixing following rating, double pole, 240 V, isolator in the existing MCB DB complete with connections,testing and commissioning etc. as required.(a)40 Amp.

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 32 mm nominal bore.

Repairing of the Pumping unit of 1/1.5/3 HP vertical type, multistage, submersible pump set by replacement of following accessories/parts etc. complete as required. (a) Gun Metal Bush / Bearing

(b) Pump Shaft

(c) Impeller

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 -in-charge. (a) 125 mm dia (Nominal bore)

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. (a) 125 mm dia (Nominal bore)

PART (B): Comprehensive AMC (Annual Maintenance Contract) for repair and maintenance of tubewells installed at various Municipal Works for depth of 50 meters to 100 meters for cost of one tubewells with submersible p/set etc. of upto 1/1.5 HP

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