work of repairing, servicing ,overhauling with the replacement of spares with accessories of hydro extractor no.1 to 3 and main shaft, with dynamic balancing of main drum with accessories of hydro extractor machine no-4 at mpl.- 1 work of repairing, servicing ,overhauling with the replacement ofspares with accessories of hydro extractor no.1 to 3 and main shaft, with dynamic balancing of main drum with accessories of hydro extractor machine no-4 at mpl. 2 work of dismantle & removable of main shaft, locking nut, pulley, bearings and main drum for repairing purpose of hydro extractor no.4. 3 work of fabrication, supply ofmain shaft and locking nut with following specification and material for hydro exractors m/c no. 1&2.a) main shaft with taper portion toone endand threaded portion to other end -3nosb) size-77.8 mm o.d x 457 mm lengthwith key way portion of 15.8 mm widthx100 mm length x 6 mm deep c) material- en-8 stainless steel d) locking nut with slotted portion from outside and threaded portion to inner diameter -3no e) size-75 mm o.d x 39 mm i.d x 60 mm lengthf) material- phosphorusbronze 4 work of fabrication, machining and repairing to collar portion ofsmall pulleyof size- 222 mm o.d x 187 mmi.d x 347 mm length-qty 3no of hydro machine no.1&2. 5 work of fabrication, machining and repairing tobigpulley at one end side of size- 120 mm o.d x 73 mmi.d and other end of size -250 o.d x 240 i.d.347 mm length with key-waymachining of size -15.8 mm width x 100 mm lengthx 6 mm deep – qty 2noof hydro machine no. 1&2. 6 work of metalizing, machining and dynamic balancing and lapping to the main drum and other taper portion also metalizing and repairing of hydro machine no.4. 7 work of fitting and assembly of new main shaft and locking nut, pulley,bearing(2nos)and main drum on hydro machine with testing and commissioning of hydro machine of 4 no. 8 1st category cu armored cablesfrls outer sheated -3.5cx120 sq mm 9 cable end termination for cooper cables -3.5cx120 sq mm. 10 400amp.415v tpn switch fuse unit with crca sheet steel powder coated enclosure with hrc fuses & switch links and pad lockable arrangement 11 work of fabrication and supply & installation of following spare parts of clutch and brake assembly of hydro machine no.1&2. en-8 shaft- 1 no., size- o.d. 25.5 mm x length- 930mm a.)g.m. bush- 2 no., size- i.d. 26.5mm x 51 o.d. x 39mm lengthb.) g.m. bush- 2 no., size- i.d. 27mm x 53 o.d. x 38mm lengthc).g.m. bush- 2 no., size- i.d. 27.5mm x 57 o.d. x 37mm length ,d.)s.s. 304 full threaded nut-bolt- 12 nos., size- 15mm x 75mm 12 work of supply, installation of buffer rubber cone for main drum shaft assembly of hydro extractor machines no 1&2,qty – 10nos ,size- as per sample