supply, checking of installation. commissioning and testing of smps based integrated power supply conforming to rdso specification rdso / spn / 165 / 2012 version 3.0 for panel interlocked station as per central railway drawing no. sk / 790 / 1 with later corrections if any, attached as annexure-1 along with supply of sealed maintenance free vrla battery set of 60 cells ( stackable ) combination of 55+5 for smps based integrated power supply system each cell of 2volt / 300ah capacity, fully charged confirming to rdso specification no. irs:s-93 / 96 ( a ) complete with connecting links and suitably numbered in stackable racks along with 1 set of user manuals. scope of supply, installation and commissioning of ips shall be as per rdso letter no. sts / e / ips / genl.dated 03 / 04 / 2008.or latest. [ warranty period: 30 months after the date of delivery ]