annual service and maintenance contract of fads at c a keshod for 2 years annual comprehensive service and maintenance contract ofaddressable conventional fire alarm and detection system at c a keshod for 02years , cmc of fire alarm system at c . a . keshod . annual comprehensive maintenance & sevrice contract of fire alarm and annunciation system installed at ntb , terminal building , atc tower etc . inclusive of all comprehensive maintenance and checks as per oems recommendations including attending to faults / breakdowns and taking rectification actions , ensuring serviceability / satisfactory working condition of the system and associate maintenance work as per the detailed specifications , terms and condition and scope of work covered under this contract , job includes replacement of faulty parts etc . complete all as reqd . & as specified . , supply and topup the clean agent fm200 gas in existing fire extinguisher complete as required . job includes transportaion charges ( if any ) from site to workshop & back etc complete as required .