supply, installation, testing and commissioning of co2 fire suppression system including dismantling of old co2 system to protect generator at 2x15 mw bhps-ii silpara. , seamless cylinders, ccoe approved capacity 45.0 kg complete in all respect if any existing cylinder failed in tests (on actual basis) , refilling of co2 gas with 99.9 % purity, each cylinder gas capacity 45.0 kg , co2 cylinder bank along with weighing device mounting rail (suitable for 08 nos. of 45.0 kg capacity co2 cylinders) & accessories like seamless header, nut bolts, rubber gaskets etc. , master valve with solenoid & manual lever , slave valve with pneumatic actuator & manual lever , non-return valve suitable for fixing at co2 discharge header, make:- tpfps/equivalent , high pressure discharge hose , high pressure pneumatic actuation hose , pilot cylinder 3.0 ltr. water capacity filled with 2.0 kg n2 gas fitted with solenoid valve with manual lever to operate directional valve , 32 nb co2 directional valve with pneumatic actuator & limit switch , 25 nb co2 directional valve with pneumatic actuator & limit switch , continuous gas weighting monitor- led type , continuous gas weight monitor control panel suitable to connect 10 nos. of gas weight monitors common for all type of weight monitors , manifold safety valve , pressure switch , discharge warning display unit , inhibit/ abort switch , manual gas release , electronic dual tone hooter with flashing lamp for indoor application , m s seamless pipe sch 80 with all required tee, reducers, flanges, gaskets, nut bolts, etc as required. size 32 nb , m s seamless pipe sch 80 with all required tee, reducers, flanges, gaskets, nut bolts, etc as required. size 25 nb , 2 c x 1.5 sqmm copper armoured frls fire survival cable including all consumables , conventional fire detection & alarm panel with gas release modules working on 4 zones with 02 nos. spare zone , smoke detector/ probe type fixed temperature heat detector with junction box , high pressure discharge nozzle with bowl , hydro test of seamless cylinders , painting of the old co2 cylinders with two coat of post office enamel red paint over one coat of red oxide primer etc. complete in all respect , installation, testing & commissioning of the system