bids are invited for custom bid for services operation and maintenance of fire fighting system 1 supply & installation of co2 extinguisher 4.5 kg 6 2 supply & installation of stored pressure type dcp (abc) extinguisher 05 kg 6 3 supply & installation of electrical siren range 1.5 km 1 4 manual operated siren (stand mounted) range 1 km 1 5 safety sign board (radium) with arrow for exit ----- 8 6 board with radium sticker of co2 extinguisher ----- 6 7 board with radium sticker of dcp extinguisher ----- 6 8 single headed arrow radium stickers roll ----- 15 9 metal post with sticker of “assembly point ----- 1 10 fire water tank with ground rcc base 5,000 liters 2 11 water pump at with min. discharge pressure 3.5 kg/cm2 (min. 14 hp pump) 450 lpm 1 12 gate valve (100 mm) ----- 1 13 butterfly valve (100 mm) ---- 5 14 brass nrv (100 mm) ----- 1 15 air release valve ----- 1 15 hydrant landing valve (single headed) ----- 3 16 male inlet nrv ----- 2 17 hose box with fire-fighting hose (2 no’s) & hand control branch ----- 3 18 alarm system & on/off switch for operating pump at each hydrant/hose reel point (complete system with cabling approx. 240m*) ----- 3 19 hose reel on/off valve (1”) ---- 3 20 100 mm carbon steel piping connection ----- 160 meter* 21 installation of first aid hose reel (water connection from down-comer) total quantity :