supply of supply of hybrid type aspiration smoke , supply of hybrid type aspiration smoke/fire detectors with alarm system for indian railways ac coaches along with accessories as per rdso spec no: rdso/2008/cg-04[rev 6]- ns part n o n s 1060 .01 along with firelink-25 asd with multi level alarm with additional relay facilities. as per bom and sco pe of work enclosed ref : 1. dtc coach cp & sp bill of material vide no: ns- ns-pde-hybrid fds-bom-001 r ev-08. 2. mc/tc cp & sp coach bill of material vide no: ns-pde-hybrid fds-bom-002 rev-08. 3. ndtc cp & sp coach bill of material vide no: ns-pde hybrid fds-bom-003 rev-08. [ warranty period: 30 months aft er the date of delivery ] ]