bids are invited for custom bid for services - boq item no 1 semi skilled fgm per shift of 08 hours 7084 shifts , custom bid for services - boq item no 2 supply only coolant additive concentrate (cac) ratio 1:4 for dg set of any capacity 210 ltrs , custom bid for services - boq item no 3 supply only engine oil sae 15w 40 for dg sets 840 ltrs , custom bid for services - boq item no 4 supply only, lead acid battery 180 ah, 12 v, 25 plates complete with first charge of battery including taking down unserviceable battery and all as directed - 10 each , custom bid for services - boq item no 5 supply only panel mounting type battery charger with transformer diode operated 24 volts, 10 amps, input range 170v to 270v - 13 each operation and maintenance of electrical systems/electrical installations operation and maintenance of electrical systems/electrical installations operation and maintenance of electrical systems/electrical installations operation and maintenance of electrical systems/electrical installations operation and maintenance of electrical systems/electrical installations total quantity :