Replacement by way of providing and fitting of electro mechanical components of 25000 GPH x 30 meter head HC pump of unit no. 1 and 140 ampere LT control of 10000 GPH x 250 meter head HC pump installed at pumping station spring source.

Amount

Replacement by way of providing and fitting of electro mechanical components of 25000 GPH x 30 meter head pump set of unit no. 1 installed at pumping station Spring Source. The job involves decoupling of pump from motor unfastening pump from base frame, suction & delivery, unfastening motor from base frame and shifting to workshop by manual carriage and mechanical transportation. Dismantling the pump and extraction of internal assembly. Repair of damaged shaft by way of remetalling, turning and finishing it to the bearing size as per sample. Replacement of damaged / wornout main impeller 01 no., diffusers 2 nos., impeller bushes 2 nos., protection sleeves 2no., neck ring-2nos., gland plates-2no., bearings N204-1no. and N205-1no. at NDE and DE side by way of providing / fabrication and fitting of corresponding new components as per old sample. Job further includes replacement of damaged bracket of NDE side of the pump by way of fabrication, providing and fitting of new bracket-01no. as per sample. Repair to suction and delivery by drilling and tapping. Job further includes repair to pump body by drilling, tapping, machining and finishing it upto impeller size. Job includes opening side covers of motor and repairing by providing and fitting of sleeves corresponding to the bearing size alongwith replacement of damaged bearings of motor 6316-2nos. by way of providing and fitting of new bearings as per old sample. Assembling both pump and motor and shifting back to site. Fitment of pump and motor on base frame followed by proper leveling, alignment, coupling of pump with the motor by way of providing and fitting of new coupling pulley as per sample. Job includes the cost of material, manual carriage charges, labour charges, hire charges of tools and tackles etc. Rebate, if any, should be quoted separately.

Replacement of electro mechanical components of 140 ampere LT control panel cum fault analyzer cum auto starter of 10000 GPH x 250 meter head HC pump set installed at pumping station Spring Source . The job involves dismantling of all the incoming and outgoing power cables from the panel and shifting to workshop. The job involves extraction of damaged solid state fault analyzer cum controller CB4SA unit and 140 ampere delta power contactor-MNX-140-1 no. of auto starter thereafter replacement of fault analyzer cum controller unit-1no. and delta power contactor 1no. with new units conforming to same rating and specifications as per old sample. Replacement of Digital voltmeter and amperemeter-1no. each alongwith replacement of internal control wiring. Assembling the unit and shifting the panel back to site, fitment and testing of the equipment, without load and thereafter on full load. Job includes the cost of material , labour charges, hire charges of tools and tackles etc. Rebate, if any, should be quoted separately.

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works