tender for a)repairing and overhauling of failed kirloskar make dsm-3me horizontal split casing pump serial no.13006a of laikdih railway siding qty.01 number. , pump shaft dsm-3me en materials complete machine finish with 4nos check-nuts and key new provision , first and second stage standard impeller (ci)dsm-3me pump , neck ring dsm-3me std , ci stepping bush casting and machining of std size , cigland stuffing box of std size casting and machining , de & nde bearing 6307 new provision , de & nde side bearing housing with cover , bearing check-nuts , cl gland of std size new casting and machining , pump dismantling, fitting, assembling & testing with supply of missing bolts-nuts etc , b)mechanical repairing of roto dyne make pump(1200 gpm,6 stage,model 125-350) at kalimati sump pumping station for supplying raw water at basantimata-dahibari colliery. , dismantling of complete failed pump by using hyd. press/ puller and all its components taken out , wooden pattern making for casting of its different components , new shaft of en material making by machining with key way of std. size , casting and machining of new impeller of std. size cl , de/nde sleeve (gm) new casting machining , shaft sleeve check nut , neck ring (gm) , neck bush (gm) , balance valve (gm) , balance sheet (gm) , balance valve cover (ci) repairing by rebuilding and machining , distance sleeve (gm) , ci gland of std. size new supply , casting machining of de/nde bearing brass , casting and machining of dala vane , tensioning stud with double nut and washe , bearing housing top and bottom repairing by rebuilding and machining , oil ring, lantern ring, water protection ring (g.m) , h.t nut for stay bolt , counter sank screw new provision for balance disc , grub screw l& key headless for neck-ring, and neck-bush , stud for gland stuffing box (ss) , bypass water line new provision , water test cock , assembling fitting and testing of the complete pump. , missing bolts-nuts, washers rubber joint packing etc. new fitting , cleaning and painting of the equipment , transporting on both the sides , less- deduction of gm scrap value , less- deduction of scrape shaft value , total impact of gst for the purpose of ctc