supply of fabricated and galvanized b-series steel structure ( b-200 , b-175 & b-225 ) with batten plates as per rdso drg.no.eti / c / 0071.rev.e or latest, s-series steel structure ( s-1 ) with batten plates as per rdso drg.no.eti / c / 0030.rev.f or latest, steel conforming to is: 2062-2011 ( gr-a ) or latest fabrication should confirm to is: 800 or latest, and galvanization as per rdso specification no.eti / ohe / 13 with a and c slip nos 1, 2, 3 & 4 or latest, mass of zinc coating 1000 grams / square meters. galvanization should be done only after drilling and fabrication. 1 ) each b-225 mast of 9.5mtrs length with approximate weight of 569.97 kg. ( 11 mast x 569.97 kgs = 6.27mt ) ( 2 ) each b-200 mast of 9.5mtrs length with approximate weight of 474.19 kg. ( 34 mast x 474.19=16.12 mt ) ( 3 ) each b-175 mast of 9.5mtrs length with approximate weight of 422.89 kg. ( 40 mast x 422.89=16.91 mt ) ( 4 ) each s-1 mast of 11.4mtrs length with approximate weight of 592.8 kg. ( 8 mast x 592.8=4.74 mt ) total weight= 6.27mt + 16.12mt+16.91mt+4.74mt =44.04mt. [ warranty period: 30 months after the date of delivery ]