Issues to be done when conducting urban underground works in Vietnam

According to Articles 20, 21 and 22 of Decree No. 39/2010/NĐ-CP of Vietnam’s Government, issues to be done when conducting urban underground works are specified as follows:

- For underground wirelines, pipelines, technical trenches, culverts and tanks:

+ Prior to the construction of these works, investors shall notify the construction commencement to ward/township People's Committees of localities where underground works are constructed for coordinated inspection and supervision of the construction process.

+ Construction contractors shall work out construction measures to ensure safety for normal operation of wire and cable lines, underground works, other connections and ensure traffic safety and environmental sanitation.

+ Contractors to construct wirelines, pipelines, technical trenches, culverts and tanks must ensure the safety, quality and construction progress of works.

- For underground traffic works, public facilities, tunnels and key technical infrastructure works:

+ Prior to the construction of works, investors shall determine the current conditions of existing underground works in construction zones in order to work out appropriate handling measures.

+ Construction contractors shall work out construction measures for approval by investors or their representatives.

+ To ensure safety for humans and works, minimally affecting routine activities of the urban center, adjacent and on-ground works; to work out measures to ensure environmental sanitation, especially against the pollution of ground water and the urban geological environment.

+ To work out plans and options to overcome possible incidents in the course of construction such as weak soil layer, water-containing layer, poisonous gas. fire and explosion, landslides, raisings and cracks in order to ensure safety for humans, construction equipment and works.

+ To strictly observe the work process and order and regularly inspect safety conditions in the course of construction. Upon occurrence of abnormal incidents, construction contractors shall notify them to investors and concerned parties for appropriate handling measures.

Finally, urban underground construction works, before being put to use, must be tested for acceptance according to regulations.

View more details at Decree No. 39/2010/NĐ-CP of Vietnam’s Government, effective from July 30, 2010.

Nguyen Phu

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