Tender For annual comprehensive maintenance contract for the period of two years of tunnel ventilation remote control and monitoring systems of natuwadi, parchuri, karbude, tike and berdewadi tunnels in ratnagiri region of konkan railway.
Tender For corrigendum : detailed design consultancy services for the detailed design of architectural and tunnel ventilation system tvs, for two 02 underground stations thane junction and new thane of the thane integral ring metro project section length 3.35 km. - detailed design consultancy services for the detailed design of architectural and tunnel ventilation system (tvs), including ses simulation and cfd simulation of stations and tunnel; environmental control system (ecs); building management system (bms); and e&m services for two (02) underground stations—thane junction and new thane of the thane integral ring metro project (section length: 3.35 km).
Tender For corrigendum : engineering, procurement & construction of "design, supply, erection & commissioning of tunnel ventilation, electrical and mechanical system and 33kv/11kv sub-station, fire fighting system equipments at tunnel no. 1 in connection with dimapur - kohimal new bg line project. (3.5 km)