supply and installation of spare parts for repairing of damaged hoisting system at spillway gate no01, 06 of silabati dam , to be executed by kangsabati mechanical division, khatra, bankura.- 1 supply, installation, testing and commisioning of following items for hoisting system andgear box as mentioned below as per direction including cost of materials, machinaries ,manpower, cutting, machining, aligning, anchoring, welding, finishing, consumables,carriage and all overheads with all leads and lifts complete as per specification (withoutpainting) 2 shaft /pin with key ways made of forged steel(dia-50mm, l-0.6 m) & shaft (dia-40 mm, l-0.7 m) 3 plumber block/pillow block/bearing housing (fg 400 4 self aligning ball bearing (s.k.f) for shaft size 5 self aligning ball bearing (s.k.f) for shaft size = 40 mm dia (1208 etn-9) 6 self aligning ball bearing (s.k.f) for shaft size = 50 mm dia (1210 etn-9) 7 gear & pinion (cast steel). penion required 1 no as persample. 8 structural m.s bolt/nut/washer (black) dimension of nut & bolt (3/8,l-6 & 3/4 ,l-2.5)