supply of supply & installation of aerosol basedsupply & installation of aerosol based,supply & installation of aerosol based fire detection and suppression system cartridge for only 164 sg ac coaches. as per rdso letter el/7.1.108/mssbc/main dt.12.05.2022, one coach set material should be consists 03 nos. aerosol fdss (1 no. of minimum 40 gm for power panel, 1 no. of minimum 15 gm for rmpu control panel and 1 no. for minimum 10 gm for invertor panel). technical para as per annexure-g1 of rdso specn. rdso/pe/spec/ac/0192-2018 (rev.1) and approved make as per rdso letter el/7.1.108/mssbc dt.17.09.2021. specification and location of fitment should be as above and mentioned in above reference letter or any latest instruction from rdso/rly.bd. [ warranty period: 30 months after the date of delivery ]