supply of fire fighting equipments for various substations under electricity transmission division - i , prayagraj .-1 mechanical foam ( afff ) type fire extinguisher confirming to is:4947 and afff ( aqueous film forming form ) confirming to is: 4989 complete with initial charges hose pipe and all other accessories of 45 liter capacity trolley mounted. 2 mechanical foam ( afff ) type fire extinguisher confirming to is:4947 and afff ( aqueous film forming form ) confirming to is: 4989 complete with initial charges hose pipe and all other accessroies of 09 liter capacity trolley mounted. 3 co2 type fire extinguisher complete in all respect as per is:2878 with following specification operating temperature - 300 deg c -to +550 deg c, filling ratio - 6.667, working pressure 140kgf / cm2 ( at 27 deg c ± 20 deg c ) , testing pressure 335 kgf / cm2 of 22.5 kg capacity trolley mounted. 4 co2 type fire extinguisher complete in all respect as per is:2878 with following specification operating temperature - 300 deg c -to +550 deg c, filling ratio - 0.667, working pressure 140kgf / cm2 ( at 27 deg c ± 20 deg c ) , testing pressure 335 kgf / cm2 of 09 kg capacity 5 dry chemical powder ( abc ) type fir extinguisher confirming to is 15683 complete with g m cap, hose cartage isi mark is 4947 with isi mark powder is 4306 complete in all respect of capacity 9 kg 6 dry chemical powder ( abc ) type fir extinguisher confirming to is 15683 complete with g m cap, hose cartage isi mark is 4947 with isi mark powder is 4306 complete in all respect of capacity 6 kg