Operation and maintenance o andm of atal tunnel rohtang includes the operation and maintenance of mechanical and electrical systems (tunnel ventilation, emergency egress tunnel ventilation system, electrical system, control system, fire services, wat

Repair/replacements of external water supply pipe lines,control valves,valve chamber,pump sets starter panels,cleaning of overhead tanks and under ground sumps ,fire sumps and connected works at technical area of npol kochi

Design, supply, installation, testing & commissioning of machine room type 14 passengers, capacity 952 kg heavy duty elevator (lift) for g+l floor operation as per rdso specification no.rdso/2013/em/spec/0016 (rev 2 )-2025 dt: 25.09.2025 or latest, center-opening automatic sliding doors, microprocessor based vvvf control drive with 02 years warranty maintenance and annual comprehensive maintenance for 10 years after completion of 02 years warranty as per special maintenance instruction no. rd

Sitc of 4.0 kw jockey pump with motor,sitc of automatic fire pump control panel for 4 pumps,sitc of pressure gauge,sitc of ul fm approved pressure switch,refixing, tc of existing air vessel,sitc of double flanged sluice valves pn 16,sitc of swing check nrv pn 16,sitc of cast iron bucket type strainer 80 mm,sitc of gear-operated dual plate nrv 80 mm pn 16,sitc of lockable butterfly valves pn 16,sitc of class-c heavy-duty ms fire hydrant piping,fabrication, installation of structural steel supports,sitc of pressure relief valve with delivery header,sitc of single-headed stainless-steel landing valve,sitc of double-headed stainless-steel landing valve,sitc of stainless-steel branch pipe with gun metal nozzle,sitc of 5x type low expansion foam branch,sitc of nfpa 1964 compliant jet fire nozzle,sitc of rrl fire hose with couplings,sitc of first aid hose reel with 30 m tph,sitc of automatic air release valve 25 mm,sitc of brass ball valve 25 mm,modification extension of existing fh piping,sitc of gi earthing strip