Issuance of illumination levels for underground railway structures in Vietnam

19:08, 10/07/2024

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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