Issuance of illumination levels for underground railway structures in Vietnam

At the end of 2018, the Ministry of Construction (Hanoi, Vietnam) issued Circular 11/2018/TT-BXD promulgating the National Technical Regulation on underground railway structures - QCVN 08:2018/BXD.

The standard lighting values for underground railway structures are prescribed in Circular 11/2018/TT-BXD as follows:

Location Illuminated Surface Illumination, lux
Station    
Middle area and platform Floor surface 200
Ticketing area - 200
Area before elevators - 100
Stair steps Step surface 100
Hallways between stations Floor surface 100
Entrances, connecting paths - 75
Connecting tunnels, branches, dead ends Rail surface 20
Tunnel sections before and after the platform, 25 m long Rail surface 60
Tunnel section before the tunnel entrance, length, at:    
≤ 5 m Rail surface 1000
≤ 5 m to ≤ 25 m - 750
≤ 25 m to ≤ 50 m - 500
≤ 50 m to ≤ 75 m - 300
≤ 75 m to ≤ 100 m - 150
≤ 100 m to ≤ 125 m - 60
≤ 125 m to ≤ 150 m - 20
Platform at dead-end tunnels Platform 30

Refer to fire prevention and protection requirements in Circular 11/2018/TT-BXD, which comes into force in Vietnam from March 15, 2019.

- Thanh Lam -

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