Repairs of 6 cusec x 8 meterhead Pump and 30 HP motor of unit III at LIS Ismailpur and repairs to 50 KVA Voltage Stabilizer and other allied works installed at LIS Bohr camp.

Repairs of 6 cusec x 8 meterhead Pump and 30 HP motor of unit III at LIS Ismailpur

Decoupling of 06 cusec x 08-meter head pump, motor of unit No. III, by way of shifting to nearest roadside using manual labour,ropes,chain pulley etc, loading in mechanical transport vehicle and then carriage to workshop for repairs. After complete repairs back shifting of pump andmotor to site of installation i.e L.I.S Ismailpur. The job includes labour charges for carriage,shifting , loading and unloading of the decoupled machinery and also hire charges of vehicle to workshop (to & fro).All the tools and tackles are to be arranged by firm at site as well as in the workshop. Repairs to 06 cusec x 08 meter head of unit III at workshop by way of dismantling of top cover of split casing pump, extraction of old and worn out parts /damaged parts i.e bearings, sleeves, check nut, gland packing, gasket, gland bushes, pump shaft, impeller. Re-building/repair to impeller by way of brazing, filling of pitted vanes and finishing to accurate size. Providing and fitting of new pump shaft by way of turning& finishing to required size. P/F gland bushes-02Nos., check nuts- 2Nos., bearings - 2Nos. and sleeves – 2Nos. Repair to pump housing along with providing of new air release valve. Re-assembling all parts of pump with proper greasing and service of bearing housing along with suitable gland packing, oil paper. Fitting of new air release valve as per the sample. Job includes fabrication of new gland plate set as per sample, nuts& bolts as required at site. Repair to coupling pulley set of unitIII as per sample and according to size of motor and shaft, finishing key ways(both HC pump and motor side) and then providing fitting ofnew keys and then coupling both pump and motor and checking their alignment.Job includes cost of material, labour charges, installation and testing on full load condition at site. Complete dismantling of 30 HP motor and then Extraction of burnt/damaged windings, cleaning of stator slots and rewinding stator with new copper wire of requisite gauge/specifications of standard make of unit No. III. Providing & fitting of new insulation & packing material and varnishing with superior quality varnish and drying in oven at controlled temperature. Repairs to rotor shaft of motor by wayof rebuilding of the rotor shaft and finishing to bearing sizes, making new keyway of coupling, providing and fitting of bearing end covers,sleeves. Providing and fitting of new bearings (DE & NDE) complete greasing of the bearing.Job includes cost of material &labour charges with hire charges of tools and tackles, repair to junction box of motor and thimbling the cable ends and giving proper connection to motor from panel and checking it at full load.Complete job includes cost of material and labour charges with hiring charges of tools and tackles. Fabrication and fixing of MS angle frame inside pump room made up of MS angle with cross arms for fixing the frame in wall with anchoring bolts /PCC duly fitted with wall of LIS ismailpur suitable for fixing 400 Amp main switches. The job includes providing and fitting of new 400Amp. main switch of standard makes on MS frame at suitable place and giving connections to it with existing incoming cables on one side and LT fuse set on other side after cutting dressing and thimbling and crimping of cable ends.The job includes cost of material, skilled labour, shifting, transportation, loading/unloading, installation charges and testing. Job also includes temporary provision for electrification of operator quarter by using 1.5 sq mm copper wire for doing 2-pointwiring for LED bulbs to make station operational at night.

Rebate on Old Parts

Repairs to 50 KVA Voltage Stabilizer and other allied works installed at LIS Bohr camp.

Disconnecting the input and output connections of 50 KVA Voltage Stabilizer installed at LIS Bohr camp and then shifting the same by head load carriage to road side upto loading point and then loading into a vehicle for transportation to workshop for repairs using tripod stand and manual labour. Repairs to 50 KVA voltage stabilizer at workshop by way of dismantling its top cover, extraction of inner frame, removal of burnt out 3 No. coils, damaged rotary switch-01 no., bus bars, nuts & bolts. Rewinding of 3 No. coils, tapping and varnishing by standard quality varnish. Lowering of the coils inside the sump of the stabilizer. P/F of new rotary switch, new brass nuts & bolts, Bakelite sheet, copper thimbles, voltmeter-01 no. cleaning of tank with the help of appropriate cleaning agent. Providing and filling of 30 litres T oil for topping up the voltage stabilizer. Refitting of the top cover, Testing the continuity of each phase and securing all the connections. After complete repairs back shifting of 50 KVA voltage stabilizer from workshop to LIS Bohr camp. Providing suitable connections by thimbling and replacing of burnt wire as per requirement by suitable 7/16 or 10sqmm copper wire. Installation, testing and commissioning of the voltage stabilizer on no load and full load conditions at site and checking its phase . The rates quoted should include rebate on copper scrap. Providing of steel wire mesh of size10 foot x 4 foot for protection from debris, silt for unit no. 1, 2 and 3 installed at LIS Bohr camp. Painting of pumping machinery along with NRV, sluice valves , suction line and delivery line , for all pumping units (03 no.) and priming unit (2” dia suction and delivery line of approx length (40 foot), starter units(3 no.) , pump (3 no.), motor ( 3no.), base frame of pump set and motor set (3no.) Complete painting of the voltage stabilizer of 30Kva and 50 kva , panel board and angle frame by first cleaning the surface with the help of sand paper and then applying one coat of primer and two coats of blue /black paint as per the requirement. Note:- The tenderers are requested to visit the site and quote the rate as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions.

Rebate on Old Parts

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M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

AJAY ELECTRIC AND MECH WORKS

G S ENGINEERING WORKS

G S ENGINEERING WORKS

BEE AAR ENTERPRISES

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS