Vietnam’s regulations on safety perimeter of the railway

According to Decree No. 56/2018/NĐ-CP of Vietnam’s Government, the safety perimeter of the railway includes the vertical overhead clearance of the railway and the horizontal safety perimeter of both sides of the railway. To be specific:

The vertical overhead clearance of the railway is:

- at least 5.3 m from the top of the rail, regarding the railway with a gauge of 1,000 mm;

- at least 6.55 m from the top of the rail, regarding the railway with a gauge of 1,435 mm;

- at least 7.7 m from the top of the rail, regarding the high-speed rail;

- at least 6.3 m from the top of the rail, regarding the urban railway that uses overhead power; at least 4.3 m from the top of the rail, regarding the urban railway that uses third rail power;

- Regarding the operational railway line that fails to satisfy the requirements of railway with a gauge of 1,000 mm and 1,435 mm, when renovating or upgrading the work that infringes upon the safety perimeter of the railway, the project investor shall adopt technical measures to avoid affecting the stability and service life of the railway line, and obtain approval from the competent authority before adoption.

The horizontal safety perimeter of both sides of the railway, regarding the surface rail, is:

- 7.5 m from the outer edge of the outer rail, regarding the high-speed rail;

- 5.4 m from the outer edge of the outer rail, regarding the urban railway;

- 5.6 m from the outer edge of the outer rail, regarding the remaining railway;

The safety perimeter of both sides of the railway in a horizontal direction, regarding the rail embankment and rail trench is:

- 05 m from the bottom edge of the rail embankment or the upper edge of the rail trench;

- 03 m from the outer edge of the vertical gutter or middle gutter of the road or the outer edge of the defense work/fortification, regarding the surface where the vertical gutter/middle gutter or the defense work/fortification is available.

Decree No. 56/2018/NĐ-CP of Vietnam’s Government takes effect from July 01, 2018.

-Thao Uyen-

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