DWSD/Mech.Div.Dumka/01/2026-27

Cost towards supplying and laying of 240 sq.mm x 3.5 core XLPE aluminium armoured 1.1 KV grade cable from Transformer to main switch to panel board in the pump house.(Confirms to IS:7098,PART-1).

Cost towards opening, dismantling, cleaning and repairing and overhauling of 167 HP HSC C/F multi stage pump set having 1475 rpm head 197 mtrs. discharge 123m3/hr four impeller type Make- Mather & Platt (WILO) with following works: i. Complete dismantling of Pump set from base plate and opening & cleaning of Pump with all labour, tools and tackles. ii. Re-metaling, turning & finishing of SS pump shaft as per sample at lathe & fitting after repairing -01 No. iii. S.S. Shaft sleeves both sides- 02 Nos. as per sample. iv. Making neck-ring as per sample- 02 Nos. v. Cheek Nut- 01 No. vi. S/F coupling nut bolts as per sample-06 Nos. vii. Making of gland titener as per sample.-02 Nos. viii. Repairing of bearing housing -02 Nos. ix. Ball bearing as per sample-02 Nos. x. Ball bearing 6310-01 No. xi. Paper Packing, Nut-bolts as required. Complete re-assembling and overhauling of Pump, installing at site with all labour, tools & tackles and Testing on full load with transportation charge up & down etc. including the deduction of scrap materials all complete job. Make- Mather & Platt (WILO).

Supplying all labour tools and tackles for complete opening, dismantling, cleaning of its slots of stator by brush & petrol then complete rewinding of 167 H.P. 440 volts, 50c/s, Star delta, 3 phase, squirrel cage induction motor by supplying super enameled copper wire & then tapping, varnishing, heating & complete reassembling then testing on full load including the deduction of cost burnt copper Wires and transportation charges from p/plant to workshop and back to the same etc. all complete at WTP p/plant Rajpara. Wt. of Copper wire approx-38.00 kg. With changing of following bearing:- (i) Ball bearing-DE/NDE bearing 6319-C3 -01 No. (SKF Make) at c/w water p/plant.

Cost towards repairing & servicing of motor control panel with FASD starter – 2 nos. and 400 Amp, 415Volts MCCB -01 No. 320 Amp outgoing MCCB-02 Nos. with following works- i. Changing L&T MNX contactor –with L&T MNX contactor as Main contactor MNX-250 ii. Star contactor MNX-185 -01 No. with Front & Side Add on Auxiliary contacts-(2NO+2NC)-02 nos. iii. thermal overload Relay MN(135-225)-01 No, iv. MNX 185 Contactor spare contact Kit-01 set v. MNX 185 Contactor spare contact Coil 240 Volt -02 set vi. Timer (12-120 sec)-01 No. (L&T Make) vii. ON-OFF push buttons-02 Nos. viii. 3 Ph LED Voltmeter CI 0.5-01 No. ix. 3 Ph LED Ampere meter CI 0.5 -01 No., x. Single phasing, reverse current, under voltage, over voltage protection relay-01 set each for both motor. xi. LED Phase indicating bulb-06 Nos., xii. Auto/Manual Selector switch-03 Nos. xiii. 4 sq. mm Single core copper cable-20 mtrs. for control wiring etc. with all fitting & electrician charges at P/Plant.

Supplying and fitting of 415 volt, S-D-F FN 630A TPN main switch and SS enclosure suitable for DIN fuse link with HRC fuses make L&T/ Havel’s/ C&S with all labour & tools and materials installing at pump house.

Supplying and fitting of 150 mm dia. Flange type C.I. foot valve having single leather flap and gun metal seating, Valve shall be fixed on suction side of pump as per requirement including jointing material and hardware as per IS:4038.

S/F of 150 mm dia. Double flange sluice valve confirming for IS – 2906/14846 including worn gear arrangement as per test pressure stainless steel spindle should be fixed filter unit pipe line including all required size nut bolt rubber insertion and transportation charge etc. all complete.

S/F of 150 mm dia. double flange NR valve confirming for IS – 5312Part-1(1984) including worn gear arrangement as per test pressure stainless steel spindle should be fixed on delivery line of motor pump set including all required size nut bolt rubber insertion and transportation charge etc. all complete.

S/F of 90/100 watt LED Flood lighting luminaire with pressure die cast housing and toughened glass cover , operating voltage range 100V-270V AC with structure, stand, clamp, tee, wires and switches etc. all complete.