Replacement of damaged parts of 3 Cusec pump, 90 HP motor and starter along with allied works of pumping unit No. II at LIS Padoh

Amount

Dismantling/Dismounting of 3 cusec discharge, 50m head horizontal centrifugal pump from foundation of Unit-II at LIS Padoh and de-coupling from the motor. Taking out of the pump from the pump room using tools and tackles with the help of manual labour. Carriage to roadside with the help of manual labour using tools and tackles, loading in mechanical transport and shifting to workshop at Jammu for repairs. Back carriage and shifting to site after conducting necessary repairs in the similar manner. The job includes labour charges, hire charges of mech. transport (to & fro), carriage, shifting, loading and unloading charges. All the tools and tackles are to be arranged by the firm.

Dismantling for extraction of old and worn out parts of 3 cusec, 50m head pump at workshop i.e. bearings, sleeves, check nut, gland packing, gasket, gland bushes, pump shaft and impeller. Rebuilding of pump shaft and impellor by way of re-metalling, machining, turning and finishing to accurate required size as per sample. P/F of new neck rings 02 Nos., gland bushes 02 Nos., spacer bushes 02 Nos., check nut and lock nut, bearings at DE and NDE as per sample, gland plate 02 Nos and gasket. Re-assembling all parts of pump with proper greasing and suitable gland packing. P\F of new rubber sheet joint, gland packing, grease, new nuts, bolts and studs required. Job further includes rebuilding of rotor shaft of 90HP motor of unit No. II by remetalling, turning and finishing to bearing size on heavy duty lathe machine. Fabrication and P/F of sleeves to both the end covers of motor and finishing to bearing size (outer). P/F of both the bearing to DE & NDE as per sample. Also fabrication & P/F of bearing cover plate inner 2 Nos. Reassembling the motor after greasing the bearing properly & P/F of new nuts, bolts & studs as per requirement. Complete Job includes cost of material, labour charges, installation and testing on full load condition at LIS Padoh.

Disconnecting 90 HP oil immersed starter of pumping unit No II, dismantling all parts and cleaning of the contacts with appropriate chemical and anti-corrosive agent, extracting the damaged current transformers, no volt coil, overload relay of the tripping system and replacing the same with new ones, making connection by re-making of ends of cables by P/F of thimbles. Providing/filling of 25 litres transformer oil for topping of starter and reconditioning of the old transformer oil. The job includes cost of material, labour charges, installation and testing charges at LIS Padoh

Repair to foot valves of 8” dia of Unit-II at LIS Padoh by way of dismantling chocked foot valve from suction pipe in sump tank. Dragging out from sump with the help of manual labour using chain pulley block, tools and tackles. Dismantling of foot valve and replacing the leather sheet cut to size along with flap, rubber sheet for flanges with required nuts and bolts. Re-assembling and fitting the same to suction pipe in sump tank with the help of manual labour. Complete job includes cost of material, labour charges, hire charges of tools and tackles used for dismantling and fitting of valve at site.

G S ENGINEERING WORKS

BEE AAR ENTERPRISES