Annual repairing for 4x40/50 HP induction motor, pump, ATS starter panel and sluice valve fitted at Damdama pump house.

Amount

Complete rewinding and repairing of 40/50 HP three phase, 440 volts, 50 Hz, 1440 RPM 4 set crompton make induction motor having following works.

Dismating of burnt winding wires from slots cleaning and straightening of slots.

Complete rewinding of motor by using super enmamlled copper wire with F-class insulation materials and varnishing, drying by heating process.

Providing and fitting ball bearing no 6312 of any standard make.

Providing and fitting of terminal plate.

Providing and fitting of C.I housing sleeve.

Making of bearing seat by welding & lathe machine turning & knurling by chiesting, polishing on rotor shaft.

Complete reinsulation for Taking out of motor for foundation sepration of motor and pump for base plate and opening the motor taken out rotor from stator cleaning and drcarborizing rotor and stator and stator 3 ohase winding reinsulation, heating etc. complte

Providing and making of diamatrically balacing rotor assembley

Providing & fixing of C.I. motor cooling fan

Complete refitting on motor and base plate checking of horizintal and vertical alignment of motor pump set, coupling with pump and trial testing etc. i/c including loading and unloading charge site to work shop and back.

Providing & repairing of 40/50 HP, 1440 RPM, 40 mtr. head crompton make 4 set pump including following the parts & work at damdama pump house.

Labor charges for opening the pump assembly replacing, unservicable parts G.M. bush, packing nut bolt, ball bearing & lubrication system, glanding etc. complete job work & refitting of complete pump trail & testing etc. complete

Providing & fixing of hardware material including nut bolt packing gland etc.

Providing & fixing G.M. long bush.

Providing & fixing C.I. gland bush.

Providing and fixing SS pump shaft made of EN-09 materials-

Providing and fixing MS neck ring.

Providing and fixing cooling water pipe.

Providing and fixing MS check nut bolts internal threats (both sides)

Providing & changing of coupling rubber star L-190 tight fit with pump & motor coupling.

Providing & fixing ball bearing no. 6305 make any standard

Providing & complete servicing of pump chamber fully movement of impuller unit with as per required fitting work including check nut, nut bolt, wiser, oil paper etc. complete

Providing & fixing of 150 mm. dia. Footvalve changing heavy duty new compressed lather complete opening, fitting, changing including with as per required G.I. nut bolt & wiser etc.

Providing & making of bearing sheet by welding & lath machine turning & polishing on pump shaft.

Providing for complete repairing & replacing burnet equipment for 4 nos. 40/50 HP auto transformer starter i/c the following equipment & works.

ML-4 L & T make contactor 50 hr, 415 volt.

ML-2 L & T make contactor 50 hr, 415 volt.

Volt meter 0-500 volt for starter.

Digital amp. meter 0-150 amp. for starter.

Current transformer coil range 50-100 amp. for starter

LED indacator lamp unit for starter

Relay unit range 0-100 amp.

Timer assembly unit for starter

On/Off switch unit for starter

Electro control pump guard aux. supply 415 volt amp range 20 (Phase failure + dry run + over load protection system)

Taking out of auto transformer coil set dismantling replacing & re-insulation of coil set and refitting and seating as required.

E.H.V. transformer oil for auto transformer starter.

Providing & fixing of incoming & outgoing fiber connection terminal plate with complete copper nut bolt & wiser.

Complete overhauling of panel & starter for using power circuit wiring & control circuit wiring as per required wire & lugs etc. trail & testing on load complete.

Loading & unloading complete job repairing for site to work shop & work shop to site.

Providing labor charges for scraping of old paint from main panel & starter embring & red oxide coating 2 coat & enameled paint for complete job.

Providing and fixing of heavy duty capacitor 440 V. 15 KVAR capacitor with complete as per required work.

Labor charge for complete repairing opening & refitting of 150 mm dia non return valve & sluice valve i/c cutting of old damaged nut bolt & providing recasting finishing, machining of gate plate holding rod assembly as per sample & required packing, complete nut bolt for fitting on delivery pipe line at site as per following items.

Supply of S.S. 410 spindle rod without G.M. check nut for 150 mm. dia.

Recasting of 150 mm dia sluice valve G.M. check nut i/c recasting, finishing, machining & threading as per sample & cost of extra material complete work.

Repairing of 150 mm. dia. sluice valve C.I. fixture check nut catcher both side i/c welding, finishing cutting as per size of check nut.

Labor charge of opening & refitting of 150 mm. dia. sluice valve i/c cutting of old damaged nut bolt, removal of damaged gland packing, rubber packing, providing, fixing of new by fabricated parts & greasing properly cost of nut bolt, over hanting the valve transportation of material T&P testing & making with risk cover as per requirement.

Providing & fixing of presure gauge meter 0.0 to 7 or 0.0 to 10 Kg./cm2 size 150 mm dia with presure control tube, nut bolt, socket, GI nipple with GM valve 150 mm dia etc complete work.

M A ENTERPRISES

DIAMOND ELECTRICALS AND MECHENICAL WORKS