According to Article 72, Law of Construction No. 16/2003/QH11, one of conditions the investors must have before starting construction work (after being granted construction permit) is to have the approved construction drawing designs of items or works.
Article 3, Circular 13/2013/TT-BXD, guiding the investors to carry out these tasks:
- Case of one-step design: Investors will organize appraisal and submit to the person deciding investment for approval of construction drawings design together with the economic-technical report on works construction.
- Case of two-step design, three-step design or other design which are carried out following the fundamental design: Investors will organize appraisal and approval for technical deign (in case of the three-step design), construction drawings design (in case of the two-step design) and other designs which are carried out following fundamental design.
In the course of appraisal, as necessary, the investors may hire organization or individual which is eligible for capability to perform verification over contents servicing appraisal and approval for design.
For works using entire or part of capital from state budget, works using capital originated from state budget, works invested by capital for concentrated capital construction, works invested under forms of: Building-transfer (BT), building-operation-transfer (BOT), building-transfer-operation (BTO), public-private partnership (PPP) and works invested by other mixed capital sources as prescribed in Clause 1 Article 21 of the Decree 15/2013/ND-CP: Investors will submit construction-specialized agencies for verifying design as prescribed in Article 4 and Article 5 of this Circular before approving design.
The construction drawings design must be certified by investor or an authorized representative of investor with signature and sealed as being approved according to the Form of Annex No. 4 enclosed with this Circular on each drawing sheet before putting into construction, even case of the one-step design after the person competent to decision on investment approved.
The person organizing appraisal, verification and approval for design must be responsible for his/her result of appraisal, verification and approval for the design.