refilling and replacing of fire extinguisher including thorough cleaning checking in different building under the jurisdiction of medical college hospital sub division under kolkata north health division , refilling of fire extinguisher abc type ( 9 kg . capacity ) as per is 2190 : 2010 including thorough cleaning / checking . validity of refilling should be 03 ( three ) years , if not used . proper level should be pasted on the body of the re-filling extinguisher showing 1 . date of re-filling and batch no . 2 . date of expiry / date of next filling . , refilling of fire extinguisher abc type ( 6 kg . capacity ) as per is 2190 : 2010 including thorough cleaning / checking . validity of refilling should be 03 ( three ) years , if not used . proper level should be pasted on the body of the re-filling extinguisher showing 1 . date of re-filling and batch no . 2 . date of expiry / date of next filling . , supply , fitting , fixing of powder type fire extinguishers ( dcp cartridge type ) isi marked powder type fire extinguisher for class b & c fire 9 kg capacity fitted with forged brass squeeze lever discharge valve conforming to is: 15683:2006 complete with initial refill consisting of isi marked co2 gas cartridge of 200 grams capacity conforming to 4947 and isi marked sodium base dry chemical powder conforming to is :4308 suitable for operating between -300o c to + 550 o c , fire rating class-34 b complete in all respect including all taxes and in all floors . a level should be pasted on the body of the extinguisher showing 1 . supplied by pwd & batch no . 2 . date of manufacture 3 . date of expiry / date of next filling . , supply , fitting & fixing of co2 type fire extinguishers isi marked co2 type fire extinguisher 4 . 5 kg . capaciry conforming to is: 15683 : 2006 made from seamless cylinder conforming to is: 7285 duly approved by chief - controller of explosive , nagpur , fitted with isi marked controlled valve conforming to ls:3224 , high pressure 1 mtr . long dicharge hose ans horn complete with initial gas charged with carrying handle and wall mounting bracket , iuitable for operating between -300c to +55ooc , fire rating class -13b complete in all respect including all taxes and in all floors . a level should be pasted on the body of the extinguisher showing 1 . supplied by pwd & batch no . , 2 . date of manufacture , 3 . date of expiry / date of next refilling . , refilling of fire extinguisher co2 type ( 4 . 5 kg . capacity ) as per is 2190 : 2010 including thorough cleaning / checking . proper level should be pasted on the body of the re-filling extinguisher showing validity of refilling should be 05 ( five ) years , if not used . proper level should be pasted on the body of the re-filling extinguisher showing 1 . date of re-filling and batch no . 2 . date of expiry / date of next filling .