NIQ No- 251 /PHE(C)/BMC, Date- 02/06/2023

Withdrawal & lowering of KSB 38 KW submersible pump motor set installed in reservoir of WT-6 pumping station including own arrangement of all required tools & tackles etc. & transportation from pumping station to work shop.

Taking out the pump from motor and dismantling the pump part by part for repairing & replacing the old damaged spares including necessary machining works.

Dismantling the shrink fitted motor from the motor housing assembly by heating and subsequent cooling process and required assessment of burnt armature for necessary rewinding of armature.

Rewinding of armature of 38 KW motor by super enameled copper wire of suitable gauge including lamination by minalex paper followed by heating varnishing & adding relevant sensors. Thermostats for preventional measure. Including less for unserviceable materials & re-fixing the same to the motor housing assembly as mentioned in SL. No. 3.

Carriage for KSB pump motor set (38 KW) with required tools & tackles, necessary labour charges as per direction of EIC.

Supply and fixing of the following materials, spare as per sample:- a). DG Ball Bearing

b). Bearing Sleeve

c). ‘O’ Ring & Gasket set

d). Cylindrical Roller Bearing

e).Circlip set for Bore

f).Circlip set for shaft

g). Oil Seal

h). Moisture Sensor

i). Cable Retainer set

j). Making Tape

k). Lubricating Oil (SAE – 20 W/40)

l). Upper Mechanical Seal

m). Lower Mechanical Seal

n). Thermostat PTC

Repairing of shaft & Housing, hard chrome, lathe job etc.

Refitting the same after replacing the damage spares and other repairing works in original condition as per direction of EIC.

Re – working of cable Gland.

Repairing of control panel of WT – 6 pump house by supplying of the following materials, spares as per sample including less for unserviceable materials. a). 125 AMP HRC Fuse (Din Type) for above (Siemens make)

b).Sicop main contact kits for 3 TF 47 contractor 70 AMP ( set of 6 fixed & 3 moving contacts. Siemens make)

c).Sicop main contact kits for 3 TF 46 contractor 70 AMP ( set of 6 fixed & 3 moving contacts. Siemens make)

d). Single phasing preventer cum over load unit MPR D2 240 VA. C ( Minilac make)

Labour charges for repairing of control panel with requisite spares including dismantling of panel from pump house carrying charge from pump house to workshop, reinstallation, testing, commissioning complete.

D.C.Eng.Co

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