supply of fabricated and galvanized b series steel structures b-200 and b-225 with batten plates as per rdso drg. no.eti/c/0071, rev-e or latest etc.fabricated and galvanized b series steel structures b-200 and b-225 with batten plates as per rdso drg. no.eti/c/0071, rev-e or latest etc.,fabricated and galvanized b series steel structures b-200 and b-225 with batten plates as p er rdso drg. no.eti/c/0071, rev-e or latest using fabricators own steel and zinc, steel conforming to is:20 62/2011, is: 800 gr. e 250 (fe 410w) quality a and is 808/1989 and zinc to is:209/1992 and rdso spec n o. eti/ohe/13 (4/84) with a and c slip nos 1,2 and 3 for galvanization or latest. zinc coating to be 610gm/s q m as per rdso specification sn 4.1. mast should have engraving embossing as per director general (ti)/ rdso letters no. ti/civ/ms/2017 dtd. 8/1/18 & ti/civ/ms/2018 dt 10.10.2018 . b-200 mast of 9.5 mtrs lengt h with approximate weight of 474 kgs per unit and b-225 mast of 9.5 mtrs length with approximate weight of 570kgs per unit. firm should be core/rdso approved source only. (supply qty. b-200 = 660 nos. and b -225 = 220 nos.) [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]