supply of fabricated and galvanized steel structures .fabricated and galvanized steel structures ., fabricated and galvanized steel structures mentioned in annexure-a as per rdso drg no. eti / c / 0017 / 70 ( sh-3.sh4.sh-5, sh-6 ) & rdso drg no. eti / c / 0011 / 69 ( sh-2.sh3, sh-4, sh-5, sh-6 ) & rdso drg no.etic / 0076 or latest. using fabricators own steel and zinc, steel conforming to is:2062 / 2011, is:800, gr- e250 ( fe 410 w ) quality a and is:808 / 1989 and zinc to is:209 / 1992 and rdso spec no. eti / ohe / 13 ( 4 / 84 ) with a and c slip nos 1.2 and 3 or latest for galvanization. [ warranty period: 30 months after the date of delivery ]