MRTA Tunnel Project - Bangkok, Thailand
The MRTA project in Bangkok consisted of over 20 kilometres of tunnels and track, linking 18 underground rail stations, which was constructed by two Joint Venture organisations - ION JV and BCKT JV.
Approximately 50 different types of doorsets were required on the project. All fire doorsets were required to fully comply with BS 476 parts 20-22 for partially insulated doorsets. The range of approvals required was complex and included the following:
- Steel and stainless steel single leaf and double leaf doorsets up to 2100(h) x 2400(w). Up to 3 hour fire rated.
- Steel and stainless steel double doorsets with removable transoms up to 2700(h) x 2400(w). Up to 3 hour fire rated.
- Large removable steel and stainless steel access panels with central mullions up to 3500(h) x 2700(w). Up to 3 hour fire rated.
- Acoustic rated fire doorsets.
- Various hardware types and functions.
Doorsets could not contain combustible materials. - Smoke sealed fire doorsets.
