tender for manufacture and supply of cms crossing 1 in 12, 52kg rdso drg. no. t-4734 with alt.5 andspecification irs t-29-2016 for cms crossing with fittings (fittings to be supplied with each set of cms crossingas per annexure-a. (the alt in drawing and specification issued by rdso up to one month prior to tenderclosing date shall be applicable in this tender).