MID/AN/119

1. Fabrication and providing at site top shaft 2540 mm long x 70 mm dia. by made out of stainless steel A.I.S.I-410 grade (as per sample.). Providing and fitting of new fabricated A.I.S.I-410-S.S. cotter pins (Qty.-01 Complete Job). 2. Fabrication and providing at site C.I. guide spider set with three legs complete comprising of one no. guide spider suitable for line shaft of size 70 mm dia. three no.’s rubber pads and slotted C.S M12 x 20 mm screw, one no. rubber bearing, one no. cover for rubber bearing and bearing screws and washers (as per sample.)(Qty.-01 Complete Job). 3. Repair, reconditioning of M.S. deflector tube 200 mm dia. 2.315 m long by way of cutting removing of damaged flanged ends. Fitting welding on each end of the new fabricated flanges as per sample specifications. Also repair to the under size fins of the deflector tube by way of welding, patching at worn out places to attain reqd. shape and size specifications. Straightening, aligning the tube and facing the ends as per proper alignment. (Qty.-01 Complete Job). 4. Fabrication and providing of A.I.S.I-410-SS muff coupling of size of length 300 mm and bore size to suit line shaft of dia. 70 mm along with its top & bottom split nuts and keyways. The machining should be done accurately for proper fitment and removal as and when desired during dismantling of column assembly. ( as per sample.)(Qty.-01 Complete Job) 5. Providing & Fitting at site of M24 x 120 mm high tensile steel bolts with washer and nut ( as per sample ) (Qty.-06 Complete Job) 6. Reconditioning of 200 mm dia. E.R.W shaft enclosing tube by cutting, removing from both ends of 200 mm dia. shaft enclosing flanges and fitting of new flanges similar size as specification to each end of the tube which should have 06 no of M20 dia. size threads, M.S welding to both ends of the flanges and then turning, facing both ends with respect of all over accurate thickness, straightening and alignment, facing of the tube. ( as per sample )(Qty.-02 Complete Job) 7. Shifting, transportation (to and fro) of components of parts Column assembly of Pump No. 01 to workshop for repair, reconditioning and from workshop to L.I.S. Rajal after repair, reconditioning. Job includes loading, unloading, labour charges for skilled and semi- skilled labour, handling charges at both ends and hire charges of truck as well as cost of fuel and lubricants used by the vehicle.(Transportation charges may vary depending upon the location of workshop) (Qty.-01 Complete Job). 8. Assembling of each column one by one internal and external 500 mm x 200 mm x 70 mm dia. in sequence and lowering in the respective pit of 20 cusec discharge V.T pump. This includes fitting, lowering of the line shafts, guide spiders, muff couplings, top shaft, deflected tube, jointing of discharge surging head with delivery line 500 mm dia. along with providing and fitting of relevant joining material, F.F sheet, graphite packing, grease packing 19 mm size nut, bolts, washers, fitting and tightening of complete alignment, leveling.(Qty.-01 Complete Job). 9. Testing of pumping unit which includes installation of 300 K.W, 400 H.P, 6.6kV, V.T. Motor solid shaft B.H.E.L make H.T motor on the skirt and its alignment with respective pump half coupling, reconnection of dismantled cable connections of 6.6 kV, three phase to rotor, stator, commutative assembly, liquid rotor starter trifurcated sealing box and space heaters, cleaning of all carbon brushes, connecting of motor half coupling with pump half coupling, checking of all connections with proper alignments and adjustment. Testing of pumping unit for its proper operation. (Qty.-01 Complete Job).

GS ENGG WORKS (BID ID -2347887)

HITECH MECHNICALS (BID ID -2347464)