bids are invited for 1 items at sl. no. a.1 & a.2 : item code - 508-14000-a all items of 220v main plant battery ( dc lead acid / ni-cd ) and list of accessories as per annexure-b to gem bid 2 item at a.3 : item code - 508-14007-a battery health monitoring system ( for each battey cell of battery sets as per s.no. a.1.1 of annexure-b to gem bid ) 3 item at b.1 : item code - 508-14010-a e&c spares : gloves 4 item at b.2 : item code - 508-14010-a e&c spares : vent plugs 5 item at b.3 : item code - 508-14010-a e&c spares : intercell connectors 6 item at c.1.1 : item code - 508-14016-a; lump sum charges per visit for engineer ( except daily charges ) supervision of e&c : battery ( capacity test and test for voltage on battery during discharge to be carried out at site on completion of e&c and immediately prior to putting battery in service ) 7 item at c.1.2 : item code - 508-14016-a; lump sum daily charges for engineer supervision of e&c : battery ( capacity test and test for voltage on battery during discharge to be carried out at site on completion of e&c and immediately prior to putting battery in service ) 8 item at c.2.1 : item code - 508-14016-a; lump sum charges per visit for engineer ( except daily charges ) supervision of e&c : battery health monitoring system ( for each battey cell of battery sets as per s.no. a.1.1 of boq uploaded with bid ) 9 item at c.2.2 : item code - 508-14016-a; lump sum daily charges for engineer supervision of e&c : battery health monitoring system ( for each battey cell of battery sets as per s.no. a.1.1 of boq uploaded with bid ) 10 item at d.1 : item code - 508-14000-b mandatory spares : complete dry cell 11 item at d.2 : item code - 508-14000-b mandatory spares : intercell connectors with hardware 12 item at d.3 : item code - 508-14000-b mandatory spares : vent plugs 13 item at d.4 : item code - 508-14000-b mandatory spares : electyrolyte level indicating float ( for opaque containers only ) 14 item at d.5 : item code - 508-14000-b mandatory spares : stand insulator ( if applicable ) 15 item at d.6 : item code - 508-14000-b mandatory spares : cell insulator