supply of charging unit 18v / flasher light / smoke detectorcharging unit 18v / flasher light / smoke detector,pressure gauge, make / brand :fogpro [ warranty period: 48 months after the date of delivery ] ] , supply installation and commissioning of provision of aspiration type smoke detector (sampling points) in lavatories in place of hasp as per r dso spec. rdso/2008/cg-04 rev.05 and coach alteration instruction (cai) issued by rdso vide letter no.mc/acf/fire detection /ac dt.22/07/2021. [ warr anty period: 48 months after the date of delivery ] ] , charging unit 18v for automatic smoke/fire detection system fitted in lhb coaches to part no. fp750-025/4 as per rdso specification no. rdso/2008/cg-04 rev.06 or latest. make-fogpro [ warranty period: 48 months after the date of delivery ] ] , limiter module for fogpro make fsds system [ warranty period: 48 months after the date of delivery ] ] , flasher light for automatic smoke/fire detection system fitted in lhb coaches to part no. fp750-059 as per rdso specification no. rdso/ 2008/cg-04 rev.06 or latest. make-fogpro [ warranty period: 48 months after the date of delivery ] ] , isolating cock (1 inch bsp) make fogpro [ warranty period: 48 months after the date of delivery ] ] , public announcement module (pa module) to part no. fp750-046/4. make-fogpro [ warranty period: 48 months after the date of delive ry ] ] , rim card for fire detection system to part no. fp750-046/7 for fds make: fogpro [ warranty period: 48 months after the date of delive ry ] ] , air filter box (21100956), make-fogpro india,part no.-fp750-044. [ warranty period: 48 months after the date of delivery ] ] , brake module for automatic smoke/fire detection system fitted in lhb coaches to part no. fp750-046/5 as per rdso specification no. rds o/2008/cg-04 rev.06 or latest. make-fogpro [ warranty period: 48 months after the date of delivery ] ] , audio-visual alarm/sounder beacon to part no. fp750-057 for fdss. make-fogpro [ warranty period: 48 mo