supply of supply, installation and commissioning of provision of fogpro , supply, installation and commissioning of provision of fogpro make aspiration type smoke detector (sampling points) in lavatories in place of hasps conforming to rdso specification no.rdso/2008 /cg-04 rev.5 as per cai issued by rdso vide letter no. mc/acf/fire detection/ac dated 22/07/2021. list of materials per coach consists of 1) aspirating nozzle-4 nos. 2)adapter for aspirating nozzle:4 nos 3)capill ary sampling connectors:8 nos. 4)trunk adapter: 4 nos 5)safety cover for aspirating nozzle :4 nos and sco pe of work is as per attached annexure. [ warranty period: 30 months after the date of delivery ] ]