bids are invited for custom bid for services - boq item no 1 semi skilled refrigeration mechanic per shift of 08 hours 2046 shifts , custom bid for services - boq item no 2 semi skilled refrigeration mechanic per shift of 08 hours 1430 shifts , custom bid for services - boq item no 3 supply and fill refrigerant gas r22 complete all as directed 61 kg , custom bid for services - boq item no 4 supply and fill refrigerant gas r32 complete all as directed 100 kg , custom bid for services - boq item no 5 supply and fill refrigerant gas r410a complete all as directed 40 kgs , custom bid for services - boq item no 6 supply and fill refrigerant gas r407c complete all as directed 50 kgs , custom bid for services - boq item no 7 supply only digital compressor for 8 hp 10 hp capacity units 01 each total quantity :