Principles for building underground traffic works in Vietnam

According to Article 19 of Decree No. 39/2010/NĐ-CP of Vietnam’s Government, requirements for underground traffic works are specified as follows:

- Construction survey requirements:

+ To adequately supply data, documents and technical parameters on underground works and existing on-ground works, geological and hydrological conditions of works, the possibility of existence of assorted poisonous gases in construction sites, which serve as grounds for determining the scope and depth of works, the selection of appropriate construction technologies with a view to ensuring safety for humans, works and adjacent works;

+ To forecast abnormalities of geological and hydrological conditions of works in order to work out appropriate handling measures in the designing and construction of underground works;

+ To ensure environmental sanitation and restore the ground to its original state upon completion of surveys.

- Construction designing requirements:

+ To conform to geological and hydrological conditions of works;

+ To be synchronous, connections conformable to adjacent and on-ground works, to urban common technical infrastructure systems: to ensure safety, not affecting adjacent construction works; to combine with security and defense requirements when necessary; at the same time, to propose solutions to the preservation of trees and the protection of historical and cultural relics in construction sites (if any);

+ The design of architectural space inside the works (if any) must satisfy the requirements on utility, durability and beauty, suitable to cultural and historical characters of the locality where works are constructed;

+ The design of lighting, air-conditioning, ventilating, water supply and drainage, power supply, fire-protection, emergency exit and operation control systems in works must take into account types and grades of works as prescribed by the law on construction;

+ To meet anti-permeation, anti-corrosion and anti-erosion requirements;

+ To ensure the convenient use by disabled persons, ensure safe and quick exit upon occurrence of incidents;

+ To work out processes of work operation and maintenance and to set tasks of geo-technical observation.

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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