GE CHD T 91 2026 27 REPAIR AND MAINTENANCE OF SUBMERSIBLE PUMP SETS CENTRIFUGAL PUMP SETS PANELS SUPPLY OF CHEMICALS AND IMPROVEMENT OF RISING MAIN SYSTEM AT N AREA AND HALLOMAJRA UNDER GE CHANDIGARH

Excavation in trenches in soft/ loose soil not exceeding 1.50 metre wide and not exceeding 1.50 metre in depth; for foundation, etc. and getting out complete, all as specified.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick each, complete, all as specified.

Removing excavated spoil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete, all as specified.

Disconnection & taking out to submersible pump with motorof capacity 25 to 52 HP along with column pipe of any size alongwith lowering the same after repaired motor / pump along with existing / replaced column pipe, and re-connection for three phase AC Supply and tested at site to the satisfaction of Engineer-in Charge. Note:- (i) Repair / replacement of pump /motor / column pipe / rubber gasket / Nut bolt and washers/Cable shall be measured and paid supply only in respective items of Schedule ‘A’. (ii) Transportation to defective motor / pump from well to work shop and vice-versa shall be deemed to be included in the unit rate of this item. Nothing extra shall be admissible on this account. (iii) The cost of T&P required for taking-out, lowering to submersible motor / pump / column pipe de-water the UG sump shall be deemed to be included in the unit rate of this item. Nothing extra shall be admissible on this account.

Dismantling the existing unserviceable submersible pump motor of 52 HP, 3 phase, 440 volts, 50 Hz, 2900 RPM and rewinding to stator with PVC insulated copper winding wire including sleeves, thimbles & minor spare parts like as bronze bushes, gland packing, water seal & adopter, stainless steel shaft,Neck ring,Bowl casing, Shaft sleeve ,impeller of gun metal etc and re-assembling to the same motor after repair work . complete all as specified and as directed by Engineer-in-Charge.

All as per item No 05 here in before but rewinding of submersible motor of cap 41 HP

All as per item No 05 here in before but rewinding of submersible motor of cap 25 HP

Disconnecting of centrifugal pump set electrically and from suction and delivery line. Transporting pump set to workshop for repair. Strip opening of induction motor 40 HP and taking out burnt out motor, winding wire from stator and rotor carefully, cleaning the stator slots carefully, rewinding to stator and rotor with copper winding wire as per exiting size of wire including providing mica paper in stator slots thimbles, vanishing to winding wire and drying up of the insulation in heating chamber, assembling to motor after repair work and megger testing for insulation. Transporting of the motor to site, refixng/ reinstallation, reconnecting and testing for smoth and trouble free running/ functioning complete to the satisfaction of Engineer-in-Charge. Note : Defective spare parts excepts winding wire & bronze bushes etc shall be measured & paid separately under respective itemof this Sch ‘A’ as “Supply only”. But fixing charges shall be deemed to be included in the unit rate of this item. Nothing extra shall be entertained on this account.

Supply only ball bearing as per existing size complete all as specified.

Supply only gun metal impeller as per existing size complete all as specified.