supply of fabricated and galvanized b-series steel structure b-225 with batten plates as per rdso drg.no.eti / c / 0071.rev.e 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 1000g / sq.m and galvanization only after drilling and fabrication. 1 ) each b-225 mast of 9.5mtrs length with approximate weight of 569.97 kg [ warranty period: 30 months after the date of delivery ] , fabricated and galvanized b-series steel structure b-225 with batten plates as per rdso drg.no.eti / c / 0071.rev.e 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 1000g / sq.m and galvanization only after drilling and fabrication. 1 ) each b-225 mast of 9.5mtrs length with approximate weight of 569.97 kg [ warranty period: 30 months after the date of delivery ] , fabricated and galvanized b-series steel structure b-225 with batten plates as per rdso drg.no.eti / c / 0071.rev.e 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 1000g / sq.m and galvanization only after drilling and fabrication. 1 ) each b-225 mast of 9.5mtrs length with approximate weight of 569.97 kg [ warranty period: 30 months after the date of delivery ]