Overhauling Mechanical repair work to 5cusec VT Pumping Unit 2nd and 25 HP Vertical motors of VT Pumping units 1st 2nd LIS Scheme Kreshibal

Amount

Overhauling / Mechanical repair work to 5cusec VT Pumping unit 2nd & 25HP Vertical motors of VT Pumping units 1st LIS Scheme Kreshible. Mechanical transportation, loading, unloading and handling of various items such as pump parts, motors etc. using Mini truck like Tata mobile, Bolero Camper or similar and then shifting back of the same after carrying out necessary repairs at site(transportation to and fro).

Disconnecting all leads from the motor and marking the terminals, uncoupling of motor from the pump, dismounting of motor with stool. Disassembling, dismantling and segregation of various pump parts such as discharge and column pipes, shafts and couplings, bowl, suction bell, impeller, stuffing box, fasteners, etc.Single stage pumps with four column pipe (250 mm ND column pipes). No of column pipes = 5

Repairs to the existing damaged SS shaft end by way of rebuilding using high quality SS electrodes (Ador/ Advani/ ESAB makes) and then turning the shaft on lathe machine to remove the excess material deposited. The job includes threading or collar rebuilding and facing, etc. The job includes straighning/balancing as per requirement and restore the original dimensions and profile of the shaft.> 25 mm Dia

Providing and fitting of rubber bush inserts to Shaft Guide stabiliser/Spider entirely as per size of spider cavity and shaft(30 mm Dia)

Fabrication, turning, finishing and fitting of Stainless steel-410 shaft sleeve as per old sample and finished weight. No . Shaft Sleeves =4 . Weight of each sleeve = 0.5 kg approx

Fabrication, turning and finishing (on inside and outside) of Stainless steel (AISI-410 or IS 1030) shaft coupling, etc. as per old sample and finished weight. No of shaft couplings = 4. Weight of each coupling = 0.5 kg (Approx)

Fabrication, providing and fitting of GM bronze bush to bell mouth/ bowl unit/ stuffing box/ sleeve, or similar as per sample having finished weight as under: Top=0.75Kg Bottom= 0.75 kgs (Approx)

Fabrication, providing and fitting of bronze Casing ring/ impeller seal ring/ sand collar

Providing of high tensile steel hexagonal nuts & bolts for above 6 No Joints

Providing of natural rubber gasket for flanged joints with nominal sizes as under: 250mm

Complete assembling of all VT pump parts after cleaning, coupling and alignment with motor, connecting of motor leads and testing on full Single stage pumps with single column pipe (250 mm ND) No of column pipes=5

Replacement of Bearings of 25 HP Vertical Motors of Pumping Unit 1 & 2nd Disconnecting all leads from motor and marking the terminals, uncoupling of motor from the pump, dismounting of motor from the motor stool. Opening the bottom end cover of DE bearing housing. Carefully extracting the old damaged bearing from the housing with the help of bearing puller, etc and fitting of new bearing in its place. Refitting back of motor parts, coupling and alignment with the pump. The job excludes the cost of bearing 6309

Providing of 20 Ft long Bamboo stair to be used for reaching working platform underneath the pump mounting CC Slab for inspection/ repair purposes.

Providing of 15 mm Dia steel rope along with suitable clamps(8 Nos) 10 Mtr long .

M/S A R and SONs

M/S M M ENTERPRISES