short dated tender - bids are invited for manual call point , smoke detector , response indicator , hooter , vesda panal foucs panel with ip 30 coverage of 25 m3 , air aspirator , mechnical seal for pump set , submersiable pump motor for industrial type cooler , antiscalent chemical for ro , activated carbon , rodent roolent panel , sodium bio carbonate , pressure sand filter , hepa filter h 13 , frp pressure vessels of media volume capacity 60 to 70 ltrs , thermostatic expansion valve for 3x 37 decimal 5 tr ac plant capacity 37 decimal 5 tr , y stainer of dia 125 mm , y stainer of dia 100 mm , butterfly valves (v2) as per is 13095