Improvement/upgradation of electro-mechanical Machinery of Various Stations

Amount

Providing, installation, testing & commissioning of pumping machinery i.e. 5000 GPH x 100 mtrs. head submersible Pump sets (01 nos.) for TW Mawa & 5000 GPH x 100 mtrs. head Submersible Pump sets (01 nos.) for Madoon along with all other allied electro-mechanical works at TW Mawa & Madoon

Providing of Submersible Pump sets: Providing, installation, testing & commissioning of pumping machinery i.e. 5000 GPH x 100 mtrs. head submersible Pump sets (01 nos.) for TW Mawa & 5000 GPH x 100 mtrs. head Submersible Pump sets (01 nos.) for Madoon along with all other allied electro-mechanical works at TW Mawa & Madoon along with all other allied electro-mechanical works each along with all connected accessories conforming to relevant BIS codes as per following: (a) Acceptable make for submersible pump sets: KSB / Kirloskar / Calama.

Submersible pump sets: Providing, installation, testing & commissioning of 01nos. 5000 GPH x100 mtrs head submersible pump sets to be installed at tube well Mawa and 5000 GPH X 100 head (1 no.) submersible pump set for Madoon of reputed make viz. KSB/ Calama/ Kirloskar only conforming to relevant IS codes with accessories .The job includes providing of new submersible pump & motor sets with thrust pad assemblies and coupling of the submersible pump with the motor. Fabrication of graded reducer for 2 nos submersible pump set fabricated out of G.I. pipe of requisite length and dia as per pump outlet dia, threaded at one end to hold delivery end of pump and welded at other end with heavy duty MS flange for pump’s fitting with flanged column pipe, 02 nos. nuts of size 16 mm are to be welded on opposite side of reducer so that clamping bolts of a tie-rod can pass through it. Coupling of the pump and motor assemblies. Fabrication of tie-rod clamping arrangement for clamping the 2 nos. pump & motor fabricated out of 40 x 6 mm MS flat with turn buckle arrangement made out of heavy duty 16 x 80 mm bolts welded at both the ends. The U-shaped clamp should pass though the bottom of the thrust pad of the motor and the bolts welded at its both ends should pass through the nuts welded on the opposite sides of the reducer for proper tying of the pumpset. Filling of the cooling jacket of motor with distilled water ensuring the system free of air bubble by making the water to circulate from inlet port through outlet port of motor followed by plugging of the same properly. Testing of the coupled pumpset by lowering the same in the test pit at workshop for checking the discharge of the pump and performance of the motor at zero head. Shifting of the pumpsets to site.

Repair of electric transformer 100 KVA each at TW Mawa and Madoon. Job includes dismantling the electric connections of both the tube wells and shifting of the both the transformer to workshop and making alternate arrangements for running the tube wells. Dismantling of both the transformers and taking out of the transformer assembly from the tank of the transformer. Complete replacement of HT leg coils 3 nos. Replacement of LT leg coils 3 nos. Taking out all the Toil from the tank and heating and dehydrating and filling the same in tha tank and also topping up fresh t/oil in the tank 100 litres. Replacement of HT bush rod 3 nos along with all the bushings and also replacement of LT bush rod 4 nos along with all the bushings. Replacement of HT insulators 3 nos. Complete assembling of electric transformer and shifting of the both the transformer to work site and installing at installed position with the help of crane and manual labour. Making all the electric connections and testing the transformers at full load. Complete job includes cost of material and labour charges ,crane charges etc.complete job

Chain pulley block: Providing and fitting of 2 nos 5 ton capacity ISI make manual chain pulley block of nationally reputed make along with accessories for its operation of lowering & extraction of submersible pump set along with column pipes Submersible cable / Lowering of submersible pumpset: Lowering of the new submersible pump set 5000 GPH X 100 mtrs head at tube well Mawa and 5000 GPH x 100 mtr head at tube well Madoon by extractintg of old submersible pump set along with all the column pipes and then lowering the new pump set along with existing column pipes after leak proof joints and replacement of nuts and bolts and rubber flanges. Submersible cable : Providing of 6 sq mm submersible copper cable of reputed make KSB/L&T/Havells/Polycab only, 90 mtrs. in length each at tube well Mawa, and madoon,after removing the old defecteve submersible cable , making of connenction of submersible motor with submersible cable with high grade patch roll & insulation tape and then lowering of the new submersible pumpset eacd along with the column pipes one by one in the tube well after providing & fitting of nuts, bolts and rubber insertion sheets etc. Also repairing of old worn out submersible pump sets extracted from the tube well Mawa & Madoon by providing and fitting of thrust pad sets in each submersible motors. Dismantling of each pump set , providing and fitting of neckerings,body bushes guide bushes cotters, SS sleeves and coupling pulley with cotters. Assembling of the pumps after removing old worn out nuts and bolts and testing of the pump set in test pit and then shifting to worksite as standby pump sets The complete job includes cost of the submersible pumpset, G.I. pipes, submersible cable less the rates of old extracted submersible cable, providing, fabrication/fitting charges of GI pipes with flanges / nipple with flange & MS U-clamp, nuts/bolts, patching roll, rubber gaskets, lowering charges, all labour, carriage charges and taxes etc. Complete job including testing of submersible pumpset after making all electrical connections of the submersible motor with the LT control panel at site Repair of old worn out extracted submersible pump set as a standby for both tube well . Job includes dismantling of pump set of TW Mawa(11 to 15 stage) by way of complete dismantling of the pump set . Repair to impellers 5 nos by way of brazing , turning and polishing.Providing and fitting of new impellers 5 nos. Providing and fitting of neckrings 10 nos,body bushes 10 nos, guide bushes 10 nos and SS sleeves 10 nos Providing and fitting of pump bodies 6 nos. Fabrication and fitting of reducer nipples by way of welding of MS flange at one end and threads at other end. Complete assembling of the pump . Job includes dismantling of pump set of TW Madoon(11 to 15 stage) by way of complete dismantling of the pump set . Repair to impellers 5 nos by way of brazing , turning and polishing.Providing and fitting of new impellers 5 nos. Providing and fitting of neckrings 10 nos,body bushes 10 nos, guide bushes 10 nos and SS sleeves 10 nos Providing and fitting of pump bodies 6 nos. Fabrication and fitting of reducer nipples by way of welding of MS flange at one end and threads at other end. Complete assembling of the pump Complete job includes cost of material and labour charges.

Repair of 150 KVA voltage stabilizer at tube well Mawa Job includes dismantling the voltage stabilizer and taking out of stabilizer assembly from the tank and dismantling of the coils. Complete rewinding of the coils both primary and secondary 3 nos. Taking out all the Toil from the tank and cleaning and dehydrating and topping up fresh T oil 100 litres.Replacement of 3 nos complete assembly of the rotory switch . Dismantling of the panel board of the stabilizer and providing and fitting of 1 no voltmeter and 1 no ammeter with CT coils. Replacement of MCCB 250A after removing the old worn out MCCB. Also removing the old worn out change over switch and providing and fitting of new change over switch. Repairing of incoming outgoing bus bars by removing the old worn out aluminium strips and providing and fitting of new aluminium strips. Complete assembling of the stabilizer and shifting of the stabilizer to work site and unloading and installing at installed position with the help of crane and manual labour. Making all the electrical connections and testing the voltage stabilizer at full load. Repair of 100 KVA voltage stabilizer at tube well Madoon Job includes dismantling the voltage stabilizer and taking out of stabilizer assembly from the tank and dismantling of the coils. Complete rewinding of the coils both primary and secondary 3 nos. Taking out all the Toil from the tank and cleaning and dehydrating and topping up fresh T oil 100 litres.Replacement of 3 nos complete assembly of the rotory switch . Dismantling of the panel board of the stabilizer and providing and fitting of 1 no voltmeter and 1 no ammeter with CT coils. Replacement of MCCB 250A after removing the old worn out MCCB. Also removing the old worn out change over switch and providing and fitting of new change over switch. Repairing of incoming outgoing bus bars by removing the old worn out aluminium strips and providing and fitting of new aluminium strips. Complete assembling of the stabilizer and shifting of the stabilizer to work site and unloading and installing at installed position with the help of crane and manual labour. Making all the electrical connections and testing the voltage stabilizer at full load.Complete job includes cost of material and labour charges.

Testing & Commissioning: Testing and commissioning , submersible pump sets,and all electro-mechanical system on load at site. The job includes checking of operation of pump set, abnormal sound during operation. Also checking of electrical system & LT control panels by identifying any loose electrical connections, their re-taping thereof and proper operation of the star-delta starter. Complete job in all respects on turnkey basis as per site conditions.

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works