tender for supply and delivery of gi top cover plate, nut and bolt of alfa-alfa valve, ms shaft, combined tail piece, electrical fuse unit for smooth running of different state owned & operated major rli scheme under malda-ii (a-m) sub-division within malda-i (a-m) division under non-plan maintenance. , supply and delivery , gi top cover plate of 150 mm dia alfa alfa valve (type-c) 273.1mm dia 10mm thick and pcd 257mm with hub internal dia 20mm outer dia 45mm, 8nos holes each 45 degree apart fitted for 150mm nominal bore alfa alfa valve. , 1/4x1.5 nut bolt (g.i) for cover plate of 150 mm dia alfa-alfa valve (c-type) , ms shaft for venus centrifugal water pump with nut and key (pump size:150x150, head-18mt) made from en08 steel with case hardened at the place where bearings are mounted as per approved sample by eic. , 150 mm dia c.i combined tail piece, both end (350+15)mm with 7 nos grooved each side, materials shall be cast iron conforming to grade fg 200 of is 210. , m16x65mm hexagonal head bolt and nut (gi) bearing is:1363 (part-i)/1992 and for bolt is-1363(part-iii)/1992 of product grade-c with latest ammendment. , 200 amps. 415v rewireable electric fuse unit, fuse base and fuse carrier are made of high gradeporcelain conforming to is: 2086:1993 with latest ammendment.