Name of Work: Repairing of 40HP motor connection Box and other accessories installed at aeration unit of 16 MGD STP Okhla.
Sl. No.
Item Description
1
Dismantling of Motor and complete Gear Box unit from its installed position after removing the coupling with the help of lowering/ lifting, tools & tackles and gas cutter for cutting the rusted and corroded nut bolt etc. with the help of required tools & tackles and Heavy men power
2
Switch off the power supply of motor from the main control panel one by one as per instructions of engineer-in-charge. Dismantling the damaged/ rusted motor covers, damaged plastic fans and removing the damaged nut bolts with the help of spanner, wrench, cutter, drilling etc. and making of holes and taping to accommodate new nut-bolts accordingly.
3
Dismantling of existing damaged connection plates from motors by disconnecting the cables with proper safety and by duly removing the nut bolts by spanner, wrench, and cutter, drilling etc. and making of holes and taping to accommodate new nut-bolts accordingly.
4
Providing and Fixing of new motor fan suitable for 40HP motor as per sample and fan cover made of MS sheet of suitable size duly holed as per motor tapped holes and having 6 holes of 2inch dia on top of the motor for air circulation with a second MS sheet/canopy of suitable size at a gap of 3inch duly welded with four nos. MS flat in order to avoid the rain water entry into the motor top and painting the same with putting one coat of epoxy primer and two coats of epoxy paint of as per DJB colour code.
5
Providing and fixing of new connection box with cover plate made of CI/MS sheet (6mm) duly holed as per motor tapped holes suitable for 40 HP Vertical Aeration Motors and painting the same with putting one coat of epoxy primer and two coats of epoxy paint of as per DJB colour code.
6
Providing and fixing of new hooks to lift motors made of CI suitable for 40 HP Vertical Aeration Motors as per sample and painting the same with putting one coat of epoxy primer and two coats of epoxy paint of as per DJB colour code.
7
Providing and fixing of new coupling (complete in all respect) suitable for couple the 40HP 1470rpm induction motor with VH2M225, 25.6/1 ratio gearbox as per sample and bore as per dia of the shafts of motor and gearbox with coupling key. Make: DJB approved make.
8
Re-installation of the complete gear box unit, motor, propeller & propeller shaft and Testing & commissioning of complete unit on load satisfactorily.
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