supply of supply of glass sheet. , supply of glass sheet for the emergency hammer, used in icf ac coaches for breaking glass in case of emergency, as per rdso drawing no. sk -k3001, alt-2, item no. 1. [ warranty period: 30 months after the date of delivery ] ] , hammer box with hammer rdso & rcf drg no: rdso sk-k3001 alt. 2, items - 1, 2 & 3 & complete rcf drg no. cc-64334, alt. nil. [ warra nty period: 30 months after the date of delivery ] ] , hammer for breaking window glass drg. no. rdso sk-k3001, alt-2, item no 1, 2 and 3. material and specification as per drawing. [ warranty period: 30 months after the date of delivery ] ]