tender for supply of 150 mm dia ci ftp , 150 mm dia hose clamp & 6307 ball bearing for different r.l.i. schemes under malda-iii (a-m) sub- division within malda-ii (a-m) division,malda under non-plan programme. , 150 mm dia. c.i tail piece, one ends flanged (23 mm flange thickness),drilled as per is: 6392(table-17) and other end grooved, overall length (175+/-15) mm with 7 nos. grooves. material shall be cast iron conforming to grade fg 200 of is 210. one coat of black japan (type-b) conforming to is: 341/1973. casting shall have 12.5 micron surface. , 150mm dia hose clamp with nut & bolt. gi hose clamp: 150 mm nominal dia. heavy duty hose clamp 2.0 mmthick, 45 mm width fitted with 10 mm dia., 100 mm long galvanized nuts & bolts full threaded with washer(2 sets tata/g.k.w make) suitable for 150 mm.(internal dia.) suction/deliver hose. parent material should conform to grade b of is: 2062/1999. one coat of black japan (type-b). , supply of ball bearing 6307 zz deep groove. ball bearing bore dia 45 mm , od-80 mm width-21 mm (fag/skf make)