annual periodical maintenance contract of fire fighting system and cmc of fire alarm system at prayagraj airport , prayagraj ( year 2020-22 ) . , comprehensive maintenance of addressable fire alarm & detection control panels , repeater panels of seimense makes & capacity installed in terminal building , ancillary builiding , admin block . maintenance & upkeeping of all type of smoke detectors , heat detectors , response indicators , beam detector , manual call points , control modules , circuit isolators , multi criteria detectors , monitor module , hooters , detector with sounder base including associated wiring work upto main fire control panel installed at various locations of terminal building and ancillary builiding and admin building . the work includes periodical checking / testing , servicing , maintaining records , attending breakdown calls , deploying skilled & semiskilled manpower as detailed in the special conditions of the contract , particular specification etc . complete as required . , maintenance & up-keeping of fire extinguishers , fire suppression system and fire fighting system installed at prayagraj airport inclusive of periodical checking/ testing , servicing , maintaining records , attending break down calls of all fire extinguishers , hydrant valves , hoze boxes , pipes , branch pipes , hose reels , hose pipes , sprinklers , nrvs , pipe lines , pressure switches , diesel engine pumps , main pumps , jockey pumps , booster pump , batteries , starter panels , air cushion tank , pressure gauges , sluice valves/gate valve etc as detailed in the special conditions of the contract , particular specification etc . complete as required . , refilling of abc type 4 kg fire extinguisher , refilling of dcp type 4 kg fire extinguisher , refilling of dcp type 6 kg fire extinguisher , refiling of sr- 200 hfc227ea gas fire suppression system in fire extinguisher cylinder including all charges .