bids are invited for custom bid for services - item no 1 1pmof rb ventilation system equipmentsfans capacity 30 to 75 kw scheduled qty 20 nos , custom bid for services - item no 1 2 pm of rb ventilation system equipmentsfans capacity 76 to 150 kw scheduled qty 36 nos , custom bid for services - item no 21overhauling of rb ventilation system fans 30 kw to 75 kw scheduled qty 06 nos , custom bid for services - item no 2 2 overhauling of rb ventilation system fans capacity of 76 kw to 150 kw scheduled qty 10 nos , custom bid for services - item no 3 1pm of packaged ac units of cooling capacity less than or equal to 50kw scheduled qty 40 , custom bid for services - item no 3 2 pm of packaged ac units of cooling capacity 51 kw to 100 kw scheduled qty 36 nos , custom bid for services - item no 4 0 replacement of outdoor condenser units for independent ac units or packaged ac units scheduled qty 30 nos , custom bid for services - item no 5 0 pneumatic testing of rb ventilation dampers as part of llrt scheduled qty 4 lot , custom bid for services - item no 6 1 replacing of hepa filters in rb 610 x 610 x 240 mm size each scheduled qty 150 nos , custom bid for services - item no 6 2cleaning of air filters of all types scheduled qty 1000 square meter , custom bid for services - item no 6 3cleaning of sea water mussel cleaning filters scheduled qty 20 nos , custom bid for services - item no 7 0 pm of ventilation system damper and actuator gear box scheduled qty 36 nos , custom bid for services - item no 8 0 condensate drain line flushing and clearing of choke scheduled qty 400 meter , custom bid for services - item no 9 0 preventive maintenance of centrifugal chillers scheduled qty 30 nos , custom bid for services - item no 10 0surface preparation and protective coating for seawater pipelines scheduled qty 300 square meter , custom bid for services - item no 11 1 sealing of fire barriers pipe or duct penetrations opening size up to 500mm scheduled qty 150 nos , custom bid for services - item no 11 2 sealing of fire barriers pipe or duct penetrations opening size u to 1000mm scheduled qty 100 nos , custom bid for services - item no 12 preventive maintenance of diesel generator auxiliary pumps scheduled qty 100 nos , custom bid for services - item no 13 0 preventive maintenance of diesel generator starting air compressors scheduled qty 40 nos , custom bid for services - item no 14 0 surface cleaning of mechanical equipments scheduled qty 3000 square meter , custom bid for services - item no 15 0 painting of mechanical equipments scheduled qty 8000 square meter , custom bid for services - item no 16 0 inspection of fire barriers pipe duct penetrations scheduled qty 3000 nos