ELABORATING FRONT - END ENGINEERING DESIGN OF INVESTMENT PROJECTS FOR CONSTRUCTION OF NATIONAL RAILWAY, LOCAL RAILWAY

This Decree prescribes:

1. Article 27 of the Law on Railway No. 95/2025/QH15 amended by Clause 3 Article 50 of the Law on Investment No. 143/2025/QH15 and Clause 1 Article 55 of the Law on Planning No. 112/2025/QH15 (hereinafter referred to as “the Law on Railway No. 95/2025/QH15”) pertaining to front - end engineering design.

2. Solutions for executing front - end engineering design (FEED) and management of funding for railway projects, including: Regulations on construction survey, inspection of construction investment feasibility study utilizing FEED; construction design implemented after FEED; development of total investment, contract package estimate, funding estimates.

3. Amendment to Decree No. 06/2021/ND-CP dated January 26, 2021 of the Government elaborating quality management, construction, construction maintenance; Decree No. 175/2024/ND-CP dated December 30, 2024 of the Government elaborating the Law on Construction pertaining to construction operation; Decree No. 123/2025/ND-CP dated June 11, 2025 of the Government elaborating front - end engineering design and specific regulations for certain railway projects.

1. This Decree applies to domestic agencies, organizations, and individuals; foreign organizations and individuals engaged in investment and construction activities of investment projects for national railway and local railway in territory of the Socialist Republic of Vietnam.

2. Regulations on management of construction investment under Section 1 Chapter IV hereof apply to investment projects for national railway and local railway funded by public investment, non-public investment state capital, and public-private partnership investment projects (hereinafter referred to as “PPP projects”).

3. Article 30, Article 31, Article 32 hereof apply to corresponding regulated entities under Decree No. 06/2021/ND-CP dated January 26, 2021, Decree No. 175/2024/ND-CP dated December 30, 2024, and Decree No. 123/2025/ND-CP dated June 11, 2025.

In this Decree, terms below are construed as follows:

1. Front - end engineering design (FEED) refers a design step prepared in accordance with international practices for projects with technology design in order to elaborate requirements pertaining to technology plans, technical specifications of equipment, primary materials, and construction solutions for execution of subsequent design steps.

2. Mid-term report refers to a report that is filed during preparation of investment feasibility study in order to analyze, evaluate input elements of projects, devise plans, and choose optimal plans pertaining to technology, direction, location of control points, location of primary structures on the selected direction, standards primarily applying to projects.

3. Technology plan refers to a combination of solution, procedures, operating principles of machinery, equipment of railway system which are used to determine applicable standards, arrange implementation, and ensure consistency in operation.

4. Project preparation agency refers to project developer or an organization assigned to undertake preparation for railway project.

5. Component project regulated in accordance with this Decree includes: component project, standalone component project, sub-project according to Article 23 of the Law on Railway No. 95/2025/QH15.

1. Preparation, inspection, and approval of projects, construction design implemented after FEED must be open, transparent, and compliant with regulations on prevention of corruption, waste, and vices.

2. Preparation, inspection of investment feasibility study, approval for projects shall be carried out for the entire projects, in each component project or in each stage of a project work or several project works (depending on investment phase) in a manner that ensures compliance with requirements under decision or written approval of investment guidelines or relevant law provisions.

3. Preparation, inspection, and approval for construction design implemented after FEED shall be implemented for all structures or each structure of projects or each part of structure depending on construction stage at request of project developers while maintaining consistency and uniformity regarding contents and calculation basis between stages and inspected, approved FEED.

4. Where investment projects or construction design implemented after FEED is amended, preparation, inspection, and approval shall be implemented specifically for amendments or for the entirety of projects, construction design implemented after FEED.

5. Railway projects shall be implemented at the same time as and integrated with tasks under Clause 1 Article 30 of the Law on Railway No. 95/2025/QH15 while ensuring adequate order of completion and consistency of the entire project.

6. Surveying, preparation, inspection, and approval of projects and construction design implemented after FEED; management of construction investment shall be implemented in accordance with specific regulations under this Decree. Regarding details that are not stipulated hereunder, regulations of the Government on management of construction, management of construction investment, management of construction contracts, and relevant law provisions shall prevail.

7. In respect of projects utilizing official development assistance (ODA), ODA shall conform to international treaties, regulations on management of ODA use and concessional loan of foreign sponsors and this Decree.

8. New technologies in surveying, design are encouraged; new technologies in management, construction, operation, and asset management are encouraged in FEED of railway projects.

9. Adopt building information model (BIM) for structures regulated by construction laws; encourage data integration from geography information system (GIS), system for asset integrity management (AIM) and digital twin, simulation and evaluation of plan selection, management of project operation, modern technologies, digital technologies in surveying, design, and construction.

1. In respect of projects where FEED replaces fundamental design under investment feasibility study, construction surveying tasks shall be devised by design consulting contractors or construction surveying contractors. Where design consulting contractors or construction surveying contractors have not been selected or where other surveying plans are selected, project preparation agencies may hire organizations, individuals or assign affiliated organizations and individuals entitled to preparation.

2. Construction surveying tasks must satisfy requirements and level of details necessary for preparation of FEED under investment feasibility study and must not exceed details of survey prepared in technical design step.

3. Construction surveying tasks include:

a) Objectives of construction surveying;

b) Scope of construction surveying;

c) Requirements of application of technical regulations, standards pertaining to construction surveying; application of international standards, regional standards, foreign standards (if any);

d) Overall quantity of construction surveying activities and construction surveying estimates (if any);

dd) Time of construction surveying.

4. Amended construction surveying tasks shall be reviewed and approved by project preparation agencies:

a) Where surveying contractors discover irregularities that may directly affect design solutions or design task amendments require additional construction surveying tasks during construction design;

b) Where project preparation consulting personnel discover that construction surveying tasks or construction surveying reports do not satisfy design requirements during design process.

5. Construction surveying contractors shall prepare technical solutions for construction surveying appropriate to construction surveying tasks.

6. Project preparation agencies have the responsibility to arrange inspection and approval of construction surveying tasks, technical solutions in writing or directly at construction surveying tasks and technical solutions. Project preparation agencies may hire capable consulting entities to examine technical solutions for construction surveying in order to facilitate approval.

7. Technical surveying solutions include:

a) Basis for preparing technical solutions for construction surveying;

b) Composition and quantity of construction surveying activities;

c) Surveying methods and equipment and laboratories employed;

d) Adopted technical regulations, standards pertaining to construction surveying;

dd) Organization of implementation and quality control measures of construction surveying contractors;

e) Progress;

g) Safety measures for humans, equipment, technical infrastructures, and other structures in surveyed areas; measures for protecting the environment and maintaining scenery of surveyed areas and remediating after survey.

1. Reports on construction survey results must conform to regulations on development, technical regulations, standards, ensure adequate information for FEED preparation under investment feasibility study, including:

a) Basis for construction survey;

b) Procedures and methods for construction survey;

c) Overview of location and natural conditions of construction surveyed area, characteristics, scale, and nature of the structures;

d) Implemented construction survey workload;

dd) Results and data of construction surveying after experiment and analysis;

e) Assessment, remarks, and recommendations (if any);

g) Conclusion and recommendations;

h) Appendices.

2. Reports on construction surveying results must contain adequate information which is used as the basis for analysis and assessment of impact to local community, impact of site preparation at expected location of railway line; assessment of changes relating to local stratum, forecast and recommendations pertaining to geological risk control measures during construction and operation; determination of area of solid construction waste landfill of projects.

3. Surveying data must be accurate, adequate, and serving FEED process. Details of surveying results shall be integrated in BIM of projects in accordance with agreements under construction surveying contracts.

1. Project preparation agencies have the responsibility to approve reports on construction surveying results in writing or directly under reports on construction surveying results. Project preparation agencies have the right to request design consulting contractors to examine reports on construction surveying results if design consulting contractors are independent from construction surveying contractors or hire competent and qualified consulting entities to examine reports on construction surveying results to facilitate approval.

2. Surveying contractors shall be fully legally responsible for quality of construction surveying work that they undertake. Approval for reports on construction surveying results granted by project preparation agencies shall not supersede nor lessen liability pertaining to quality of construction surveying tasks undertaken by surveying contractors.

3. Reports on construction surveying results are integral parts of as-built dossiers and shall be archived as per the law.

1. FEED design task shall be undertaken by project preparation agencies at their discretion or by hiring competent consulting organizations.

2. Design tasks shall be compliant with construction investment guidelines (if any) and the basis for preparation of FEED.

3. Design tasks primarily consist of:

a) Basis for preparation of construction design tasks;

b) Objectives and location of construction;

c) Requirements pertaining to size, occupancy, criteria for proposing applicable standards, planning, scenery, and architecture;

d) Technical requirements pertaining to technology solutions of equipment system, machinery, construction, and other technical requirements;

dd) Requirements pertaining to costs, solution direction, overall construction and risk management plans of projects;

e) Requirements pertaining to connection plans and interface between work items and equipment system of projects (hereinafter referred to as “system interface”); connection plans between railway system and adjacent areas; assessment of impact of existing structures;

g) Requirements pertaining to safety of railway system;

h) Requirements pertaining to plans for organization, operating, using, maintenance procedures of structures;

i) Requirements and guidelines pertaining to preparation of construction design implemented after FEED and directions, guidelines pertaining to construction, supervision, and commissioning (hereinafter referred to as “FEED technical guidelines”);

k) Requirements pertaining to level of development in BIM of projects;

l) Other requirements of projects.

4. Design tasks shall be amended depending on practical demands in order to guarantee effectiveness and use requirements of investment projects. Project preparation agencies or project developers shall decide on amendments to design tasks in writing.

1. FEED must satisfy requirements under approved designed tasks; be in line with approved investment guidelines (if any).

2. FEED must adhere to technical regulations and standards selected for application, regulations on use of construction materials; guarantee safety in construction, installation, and use; satisfy requirements pertaining to environmental protection, occupational safety, climate change adaptation, fire safety, and other safety requirements.

3. Design solutions must include comparison and evaluation of several researched, recommended solutions in order to ensure feasibility and effectiveness.

4. Contents of FEED must convey overall structure of railway system and system interface; determine information, specifications, dimensions, primary materials of structures, primary work items, equipment system of projects; be adequate in order to determine total investment, contract package estimates and develop construction design implemented after FEED design.

5. BIM accompanying FEED must satisfy requirements pertaining to appropriate level of development according to consulting contracts for preparation of investment feasibility study and utilize both native formats and open formats.

6. Stipulations of FEED package:

a) FEED package shall be developed for each structure and include design specifications documents, design drawings, FEED technical guidelines, and relevant documents;

b) FEED drawings must have adequate dimensions and title block which must contain name and signature of designers, design inspectors, lead designers; carry signature and seal appended by project preparation consulting entities and FEED preparation consulting entities;

c) Presentation methods of FEED package shall conform to contracts signed by project preparation consulting entities and project developers; allow lookup and long-term archive.

In respect of projects where FEED is prepared instead of fundamental design, contents of investment feasibility study shall be regulated as follows:

1. Specification documents of investment feasibility study primarily consist of:

a) Investment necessity and investment guidelines, construction investment objectives, construction location, land use area, capacity scale, and investment methods;

b) Factors guaranteeing project implementation pertaining to resource use, labor use, implementation time;

c) Plans for separating into component projects, sub-project, investment stages (if any);

d) Proposed master plans for contractor selection, plans for separating EPC, EC, EP contract packages (if any);

dd) Solutions for arranging project implementation management;

e) General plans for compensation, assistance, and relocation (if any);

g) Total investment according to Article 24 hereof;

h) Capital mobilization capability, sources, and methods; financial analysis, risks; structure operation and use costs;

i) Assessment of socio-economic effectiveness of projects;

k) Plans for training and technology transfer (if any);

l) Recommendations pertaining to cooperation regulations, policies incentivizing and assisting project implementation;

m) Other necessary information.

2. FEED package consists of:

a) General information on projects, construction location, structure direction;

b) List, scale, type, grade of structures; life span of structures;

c) List of technical regulations and standards applicable to projects;

d) Requirements pertaining to reliability, availability, maintainability, and safety (RAMS);

dd) Determination of efficiency assessment factors, transport capacity of projects; train operation arrangement plans;

e) Primary information, technical parameters, and requirements for main equipment system including: vehicle system, information and communication system; monitoring system; electricity supply system, traction power; ticketing system; train operation control centers; environmental control systems; environmental control system; equipment system for maintenance at depots;

g) Technical information, parameters, materials, dimensions, and requirements pertaining to structure directions and structures on the railway line; longitudinal section and cross section; architectural, structure, mechanical - electrical solutions.

h) Other necessary drawings (if any);

i) Technical instructions for FEED;

k) Connection plans and technical infrastructure interface inside and outside of structures; connection plans between work items and equipment or equipment system of projects;

l) Connection plans between railway system and traffic systems; urban areas and administrative areas (if any);

m) Solutions pertaining to fire prevention and firefighting, environmental protection, climate change adaptation; solutions pertaining to natural disaster prevention, preparedness, rescue and evacuation.

n) Impact assessment reports for existing structures (if any);

o) Operational and maintenance requirements;

p) BIM (if requited);

q) Other necessary information.

3. Other documents related to contract package separation, master plans for contractor selection, EPIC, EC,EP package (if any).

4. Procedures pertaining to environmental protection shall be implemented in a simultaneous manner. Documents on environmental protection procedures shall not be required to be submitted on the date on which inspection dossiers are submitted as long as relevant results are sent to construction authorities at least 5 days before the deadline for notifying inspection. Construction authorities shall stop inspection process and request applicants to revise their application after the time limit above.

5. Other relevant documents.

1. In respect of projects of national importance and PPP projects are qualified as projects of national importance in accordance with public investment laws, in the process of developing investment feasibility study, design consulting entities shall develop and submit short-term reports to construction authorities or inspection councils for remarks and reporting to persons making investment decisions for consideration and approval. Mid-term reports consist of general specifications and FEED package.

2. General specifications of mid-term reports consist of:

a) General information pertaining to construction projects and location;

b) Analysis, assessment of technology plans, line direction plans, and location of primary structures on railway lines;

c) Total estimated investment according to Article 23 hereof;

d) Initial evaluation of socio-economic effectiveness; progress of project implementation, assessment of risk factors;

dd) Proposed optimal plans: technology plans; line directions, location of control points, location of primary structures on line direction, primary standards applicable to projects;

e) Recommendations pertaining to separation of component projects, sub-projects, progress of component projects; determination of component projects prioritized for implementation before general plans are approved (if any). Investment feasibility study of component projects prioritized for implementation shall be submitted for inspection and approval before general plans are approved.

3. FEED package under mid-term reports consists of:

a) Analysis and assessment of socio-economic effectiveness in investment, operation, and risk of several technology solutions, equipment, and proposed technology solutions applicable to projects;

b) Presentation of effectiveness and feasibility of selection of line direction and and location of control points, location of primary structures on line direction;

c) Plans for connecting to important traffic connections and routes, administrative areas and urban areas;

d) Preliminary recommendations pertaining to separation of component projects (if any);

dd) Drawings and specifications including: description of general architecture of railway system; selected technology plans; drawings depicting line directions and locations of control points, location of primary structures on routes;

e) Structure information model (if needed).

1. Project preparation agencies shall choose qualified examining and consulting organizations to examine investment feasibility study at the same time as preparation of investment feasibility study.

2. Reports on examination results shall be prepared in stages for mid-term reports if mid-term reports are required and for the entirety of investment feasibility study of projects.

3. Examination contents shall satisfy requirements of inspection contents under Article 16 hereof.

In respect of projects where FEED supersedes fundamental design, inspection of investment feasibility study shall be elaborated as follows:

1. Inspection of investment feasibility study includes inspection conducted by persons making investment decisions, investment conducted by construction authorities in accordance with construction laws and this Decree.

2. Entitlement to inspection of construction authorities shall be elaborated as follows:

a) In respect of projects for national railway, the Ministry of Construction shall assign affiliated construction authorities to inspect investment feasibility study;

b) In respect of projects for local railway and projects for local railway in transit-oriented-development (TOD) model, provincial People's Committees shall assign affiliated construction authorities to inspect investment feasibility study;

c) In respect of railway projects of national importance; railway projects where the National Assembly decides and approves investment guidelines; projects that qualify as projects of national importance according to public investment laws, the Ministry of Construction and provincial People’s Committees have the right to establish inspection councils which inspect investment feasibility study.

3. In respect of projects where the Ministry of Construction, provincial People’s Committees make investment decision, inspection councils shall carry out inspection work of both construction authorities and field-specific agencies of persons making investment decisions.

4. Contents of inspection of investment feasibility study shall conform to Article 16 hereof.

5. Inspecting bodies may hire organizations and individuals with appropriate qualifications to participate in inspection process. Costs for hiring organizations and individuals to participate in inspection process shall be included in investment preparation costs and incurred by project preparation agencies or project developers.

6. In respect investment projects utilizing technology of restricted transfer or investment projects that may impose negative impact on the environment according to environmental protection laws and involve use of technology, inspection or remarks relating to technology shall conform to technology transfer laws.

7. Approval of list of standards applicable to projects according to Point dd Clause 3 Article 24 of the Law on Railway No. 95/2025/QH15 must be completed before investment feasibility study is submitted to construction authorities for inspection.

1. Inspection council under Point c Clause 2 Article 13 hereof shall be established by the Minister of Construction, Chairpersons of provincial People’s Committees.

2. Inspection council consists of Chairperson, Vice Chairpersons, and other council members, to be specific:

a) In respect of inspection council established by the Minister of Construction, inspection council consists of: representatives of figureheads of the Ministry of Construction, the Ministry of Finance, the Ministry of Agriculture and Environment, the Ministry of Science and Technology, the Ministry of Public Security, the Ministry of National Defense; field-specific authorities affiliated to the Ministry of Construction, representatives of Government Inspectorate, State Audit, other ministries, central departments, local governments, relevant agencies, consulting organizations, experts. Construction authorities affiliated to the Ministry of Construction shall act as Standing council agency;

b) In respect of inspection council established by Chairpersons of provincial People’s Committees, inspection council consists of: field-specific authorities affiliated to provincial People’s Committees, consulting organizations, experts. Depending on project requirements, Chairpersons of provincial People’s Committees may invite representatives of other relevant ministries and sectors to participate in inspection council. Construction authorities affiliated to provincial People’s Committees shall act as Standing council agency.

3. Standing council agency shall be tasked with:

a) Assisting Chairpersons of the council in arranging inspection of investment feasibility study and other common council activities; cooperating with relevant agencies and examination consulting entities in inspecting investment feasibility study;

b) Receiving and reviewing written request for inspection of investment feasibility study, sending written request to council members, relevant agencies and entities;

c) Developing and submitting inspection plans to inspection councils;

d) Exercising other tasks assigned by Chairpersons of inspection council.

4. Inspection council has the right to:

a) review and decide on contents, programs, and plans of inspection councils, standing council agency, and other relevant issues during project review and inspection;

b) request project preparation agencies, consulting organizations, and relevant agencies to provide relevant documents during review and inspection of investment feasibility study.

5. Inspection council shall provide feedback regarding mid-term reports, inspect investment feasibility study by arranging council meeting or arranging inspection meeting or gathering feedback in writing.

Time limit for providing feedback for mid-term reports shall be 30 days from the date on which adequate documents are received. Time limit for inspecting investment feasibility study shall be 60 days from the date on which adequate documents are received.

6. Inspection council shall be responsible to the Minister of Construction, Chairpersons of provincial People’s Committees for arranging feedback reception and inspection in accordance with assigned tasks; details of feedback, results of inspection, conclusion, and recommendations of inspection council according to operating regulations of inspection council.

1. Project preparation agencies shall send documents under Clause 2 of this Article to construction authorities or inspection council (hereinafter referred to as “inspecting bodies”) for feedback relating to recommendations under mid-term reports pertaining to: line direction and control points; location of primary structures on railway line; technology plans; primary standards applicable to projects.

2. Requesting documents for feedback consist of:

a) Mid-term reports;

b) Reports on inspection results of consulting organizations;

c) Written decision or approval for investment guidelines of projects (if any);

d) Other relevant documents (if any).

3. On the basis of feedback of inspecting bodies, persons making investment decision or competent authorities in case of PPP projects shall review and approve recommendations under Clause 1 of this Article.

In respect of projects where FEED supersedes fundamental design, contents of inspection of investment feasibility study shall be regulated as follows:

1. In respect of projects funded by public investment, non-public investment state budget, and PPP projects, contents of inspection conducted by construction authorities shall include:

a) Compliance with regulations on preparation of investment projects; qualifications in construction activities;

b) Assessment of conformity of FEED to railway network planning, other relevant planning (if any) in case of national railway projects; conformity of FEED to structure direction plan, structure location, total premise of approved line, approved planning for TOD area in case of local railway projects, local railway projects in TOD model;

c) Conformity to approved investment guidelines of projects (if any);

d) Traffic connectivity and local technical infrastructure connectivity;

dd) Inspection results of consulting organizations pertaining to fulfillment of structure safety requirements; fire safety requirements; and implementation of environmental protection regulations;

e) Inspection results pertaining to compliance with technical regulations and application of standards in accordance with regulations on technical regulations and standard;

g) Compliance with regulations of the law pertaining to determination of total investment.

2. Contents of assessment pertaining to total investment under Point g Clause 1 of this Article shall be elaborated as follows:

a) Adequacy and legitimacy of documents submitted to request approval for total investment; legal basis for determining total investment;

b) Conformity of methods for determining total investment;

c) Conformity of cost components in total investment to regulations and project contents, requirements;

d) Compliance with or conformity to regulations on application and reference of system of construction norms, construction prices, and other necessary instruments promulgated, declared by competent state authorities, and application, reference of data pertaining to costs of similar projects, structures, and other necessary instruments for determining total investment.

3. In respect of projects utilizing other funding, contents of inspection conducted by construction authorities shall conform to Points a, b, c, d, dd, and e Clause 1 of this Article.

4. Contents of inspection conducted by field-specific authorities include:

a) Conformity to planning, investment goals, scale;

b) FEED package's fulfillment of design tasks; list of applicable standards;

c) Solutions for arranging project implementation, project management qualifications and capacity of project developers, site preparation plans, form of project implementation;

d) Elements guaranteeing project effectiveness, including determination of total investment; funding sources, capital mobilization capacity by progress; risk analysis, financial effectiveness, socio-economic effectiveness;

dd) Assessment of technology design and technology transfer;

e) Other details according to relevant law provisions and requirements of persons making investment decision.

5. Contents of inspection of total investment under Point d Clause 4 of this Article are elaborated as follows:

a) Adequacy and legitimacy of documents requesting inspection of total investment; inspection of total investment results of consulting organizations;

b) Revision results of documents requesting inspection of total investment according to feedback of construction authorities under Clause 2 of this Article and explanation;

c) Adequacy and conformity of determination of workload and scale of structures, work items, type and quantity of equipment in technology procedures selected for calculation in total investment relative to FEED and investment feasibility study of projects;

d) Determination of total investment in a manner compliant with regulations, conforming to design requirements, construction conditions, market price, and project execution plans;

dd) Cause analysis for increase and decrease, assessment of project investment effectiveness according to total investment determined after inspection.

6. In case of PPP projects, contents of inspection of investment feasibility study of competent authorities shall conform to regulations on PPP investment; in case of FEED projects, contents of inspection of investment feasibility study of competent authorities shall conform to this Article.

1. Field-specific authorities affiliated to persons making investment decision have the responsibility to consolidate and request persons making investment decision to approve projects and decide on investment.

2. Decision on investment shall be presented under decision approving investment projects which primarily contains:

a) Name of project;

b) Location of construction; structure direction (in case of linear constructions);

c) Persons making investment decision, project developers;

d) Project preparation, FEED preparation consulting entities; inspection consulting organizations;

dd) Type, group of projects; list; type, grade of primary structures; life span according to design of primary structures;

e) Project objectives;

g) Area of land used;

h) Investment scale: capacity and service scale; primary indicators and parameters;

i) List of standards primarily selected (list of primary standards can be accepted as standalone documents);

k) Total investment; value of cost items in total investment;

l) Separation into component projects;

m) Master plan for contractor selection (if any);

n) Plans for separating contract packages; estimates of EPC, EC, EP contract packages (if contract package separation is recommended);

o) Plans for implementation, schedule of each stage, primary item of projects, investment stages (if any), time limit of projects (if any);

p) Funding sources and estimated funding plan allocation according to project implementation plan and schedule;

q) Applicable Project management model;

r) Requirements pertaining to resources and access, use thereof;

s) Training and technology transfer plans;

t) Cooperation regulations, policies incentivizing, supporting project implementation.

3. Project approval granted by competent authorities for PPP projects shall conform to PPP investment laws.

4. Where separation into component projects is implemented, component projects shall be approved on the basis of contents corresponding to component projects.

1. Project amendment shall conform to construction laws and relevant law provisions.

2. Amended investment feasibility study must also include the following details:

a) Reasons and objectives of project amendment, fulfillment of project amendment conditions according to public investment laws;

b) Reports of project developers on project implementation, construction progress of project structures until the date on which request for amendment is filed.

3. Inspection of amendments of amended investment projects shall conform to Article 16 hereof.

1. In respect of projects where FEED supersedes fundamental design under investment feasibility study, construction design implemented after FEED refers to the step of construction drawing design or detail design according to international practices, ensures adequate conditions for construction process.

2. Construction design implemented after FEED shall be prepared for each structure section, contract package, or the whole structure and:

a) conforming to approved investment projects;

b) compliant with approved FEED;

c) compliant with applicable technical regulations, standards, regulations of the law on use of construction materials, occupancy requirements, applicable technology (if any); satisfactory to load-bearing safety, use safety, aesthetic, environmental protection, climate change adaptation, fire safety requirements and other safety requirements;

d) accompanied by appropriate design solutions and reasonable construction costs; consistent within the same structure and between relevant structures; satisfactory to convenience, hygiene, and health requirements for users; ensuring accessibility for people with disabilities, the elderly, and children. Utilizing advantages, limiting disadvantages of natural conditions; prioritizing locally available, environmentally friendly materials.

3. In the process of developing construction design implemented after FEED, project developers are allowed to make adjustments in order to fulfill use effectiveness and requirements if such adjustments do not warrant project amendments according to Article 18 hereof and while satisfying quality control, construction and installation safety requirements of FEED.

4. Project developers shall decide on control of construction design implemented after FEED, to be specific:

a) Project developers shall prepare, inspect, and approve construction design implemented after FEED for contract packages that do not fall under Point b of this Clause;

b) In respect of structures and work items under contract packages implemented in form of EPC, EC, EP contracts: EPC, EC, EP contractors shall prepare, inspect, and approve construction design implemented after FEED in accordance with contract agreements;

c) EPC, EC, EP contractors under Point b of this Clause shall file inspected construction design implemented after FEED and inspection reports to project developers to request approval for conformity to FEED and fulfillment of requirements under signed contracts before approving construction design implemented after FEED.

5. During project implementation, where applicable and approved technical regulations, standards are amended or superseded, project developers have the responsibility to review and request competent authorities to review and decide in order to ensure that projects comply with new technical requirements and project implementation.

1. Fulfillment of requirements of design tasks.

2. Assessment of conformity of construction design relative to FEED under approved feasibility study.

3. Examination of inspection results of consulting organizations regarding assessment of compliance with applicable technical regulations, standards, regulations of the law on use of construction materials; fulfillment of safety requirements of structures and adjacent structures and fire safety requirements.

4. Conformity of primary quantity of estimates with design quantity; conformity of construction estimate value with total investment; determination of structure estimate value.

5. Assessment pertaining to qualifications of organizations and individuals undertaking construction surveying, design, and estimate as per the law.

6. In respect of projects utilizing other funding or construction design implemented after FEED that is prepared by contractors in accordance with Point b Clause 4 Article 19 hereof, contents of inspection shall conform to Clauses 1, 2, 3, and 5 of this Article and other details at request of project developers.

1. Name of structures, contract packages or individual part thereof.

2. Name of project.

3. Type, grade of structure.

4. Construction location.

5. Contractors filing reports on construction surveying.

6. Contractors preparing construction design.

7. Entities examining construction design (if any).

8. Scale, technical indicators; design solutions for effective energy use, efficient resource use (if any).

9. Design lifespan of structures.

10. Value of construction estimates by individual cost item (if any).

11. Other contents.

1. Project preparation agencies or agencies, organizations assigned to prepare cost estimates of activities under Clause 1 Article 29 of the Law on Railway No. 95/2025/QH15 or costs estimates of activities under Clause 1 Article 30 of the Law on Railway No. 95/2025/QH15 shall prepare and submit cost estimates to competent authorities for inspection and approval. In respect of costs which is allowed by competent persons to be covered by project funding sources, project preparation agencies shall be authorities entitled to inspection and approval. These costs shall be updated in total investment after they are approved.

2. Costs for compensation, assistance, relocation shall conform to regulations on compensation, assistance, and relocation.

1. Estimated total investment of mid-term reports under Article 11 hereof includes costs for compensation, assistance, and relocation (if any); construction costs; equipment costs; project management costs; construction consulting costs; other costs and provisions.

2. Estimated total investment shall be determined on the basis of service scale, capacity, capability according to FEED of mid-term reports and investment rates or construction cost unit, equipment cost unit from cost data of similar railway projects in terms of project nature; applicable technology; where analysis and assessment is conducted to make adjustment and conversion pertaining to calculation time, construction location and include other necessary costs depending on project conditions, where:

a) Estimated sum of project management costs, consulting costs, and other costs does not exceed 15% of total construction costs and equipment costs of projects and has not included loan interest during construction period, initial working capital, and other necessary costs according to international treaties and foreign loan agreements (if any);

b) Provisions in estimated total investment shall be calculated as per the law and including provision for inflation in case of foreign costs.

1. Total investment refers to total investment costs of projects determined in a manner compliant with FEED and other details of investment feasibility study. Cost items include costs for compensation, assistance, relocation (if any); construction costs; equipment costs; project management costs; construction consulting costs; other costs and provisions.

2. Costs for compensation, assistance, and relocation shall be determined on the basis of compensation, assistance, and relocation plans of projects and relevant Government regulations and policies.

3. Construction costs shall be determined in accordance with Article 25 hereof.

4. Equipment costs shall be determined in accordance with Article 26 hereof.

5. Project management costs shall be determined in percentage as per the law or data on project management costs of similar structures; similar finished or ongoing railway projects worldwide or by preparing estimates appropriate to assigned tasks, scope, contents of work implemented, form of project management arrangement, project implementation period, scale and characteristics of project management depending on project characteristics. Where project management consulting entities are hired, project management costs shall only include project management costs of project developers while costs for hiring project management consulting entities shall be included in construction consulting costs.

6. Construction consulting costs:

a) Construction consulting costs as per the law; costs for project preparation consulting; costs for hiring project management consulting entities (if applicable); legal counseling costs (if any); costs for system safety assessment; other consulting costs according to international practices and project conditions (if any) within construction consulting costs in total investment of projects;

b) Cost data of similar finished and ongoing structures and railway projects worldwide in order to determine construction consulting costs of which percentage norm does not conform to international practices.

7. Other costs:

a) Other costs as per the law; test operation costs, training costs, technology transfer reception costs; other costs according to international practices and conditions of projects (if any) under other costs of total project investment;

b) Test operation costs under Article 27 hereof;

c) Cost data of finished and ongoing structures and railway projects worldwide in order to determine other costs of which regulations on percentage do not conform to international practices.

8. Provisions:

Provisions in total investment shall be calculated as per the law. Where provisions for inflation for foreign cost components shall be calculated in accordance with price fluctuation under international practices (including provisions for exchange rate change).

9. Project developers or figureheads of entities assigned to prepare projects shall develop, inspect, and approve project preparation estimates, costs for activities under Article 30 of the Law on Railway No. 95/2025/QH15. Once these costs are approved, they shall be included in total investment.

10. The use of cost data of of task items, structures, work items, and similar projects under Clause 5, Point b Clause 6, Point c Clause 7 of this Article, Clause 4 Article 25, and Clause 3 Article 26 requires calculation and conversion appropriate to contents, scope, nature of the costs, time of payment, construction location, and specific project conditions and must be analyzed, evaluated, presented in detail under investment feasibility study of the projects.

11. In respect of cost items that have not been stipulated in Vietnamese laws or do not conform to nature, conditions of project implementation, cost items of railway projects with similar nature implementation conditions worldwide can be calculated and determined in total investment.

12. Where cost items in total investment are determined in accordance with Clause 10 or Clause 11 of this Article, such determination must be adequate, accurate, uniform, not repetitive in terms of scope, contents, workload, task items.

13. Total investment shall be amended if projects are amended in accordance with Article 18 hereof. Examination and inspection of total investment shall conform to Article 12, Article 16 hereof and construction laws.

14. Costs for counseling domestic and foreign organizations under Clause 2 Article 27 of the Law on Railway No. 95/2025/QH15 shall be balanced and arranged by the parties.

Construction costs (including costs related to technology solutions and construction plans if any) shall be determined on the basis of construction workload; group, type of construction work, structural units or parts; or work items, structures, and construction prices (including: all-inclusive construction unit rates (comprehensive construction unit prices), comprehensive construction prices, construction cost unit) accordingly and other relevant costs, to be specific:

1. Construction workload; group, type of construction work, structural units, structure parts; scale of structures and work items shall be determined on the basis of FEED and documents of investment feasibility study.

2. Comprehensive construction unit prices and comprehensive construction prices shall be prepared in accordance with list and contents of construction work; group, type of construction work, structural units, structure parts.

Comprehensive construction unit prices and comprehensive construction prices shall be determined by prices declared by competent authorities or by market price or by similar prices of finished structures or be compiled via detail construction unit prices of a unit of group, type of construction work, structural units, structure parts.

3. Where construction costs cannot be determined via comprehensive construction unit prices and comprehensive construction prices under Clause 2 of this Article, construction cost unit and construction cost data shall be used for determination purpose.

Construction cost unit shall be determined on the basis of construction cost unit (in construction investment rates) declared by competent authorities depending on the type of structures; construction cost data shall be determined by cost data of similar construction work; group, type of construction work, structural units, structure parts; structures, work items with assessment, conversion, calculation pertaining to the time in which construction costs are calculated, location of projects; other necessary costs not included in construction cost units and construction cost data dependent on specific conditions of structures and projects.

4. Construction price and norm systems declared by domestic and foreign organizations of similar task items of similar structures, work items or similar task items of similar railway projects that have been implemented and being implemented worldwide shall be adopted for the purpose of determining construction costs in total investment of task items that are not appropriate or not included in construction price and norm systems promulgated by competent authorities.

Equipment costs (including structure equipment costs, technology equipment costs) shall be determined on the basis of load, quantity, type of equipment; equipment system, equipment purchase price, equipment system, and relevant costs (including royalty rates for technology if applicable), to be specific:

1. Load, quantity, type of equipment; equipment system shall be determined on the basis of technology, technical plans of equipment selected based on FEED and documents of investment feasibility study.

2. Depending on specific project conditions and sources of information, statistics, and data, equipment costs of projects can be determined as follows:

a) In respect of equipment with adequate information and statistics pertaining to load, quantity, type, and prices, equipment costs shall be determined on the basis of information on equipment prices in database system of competent authorities or by selecting appropriate price points that ensure competitiveness between quotations of equipment manufacturers or suppliers (except for equipment that is introduced to the market for the first time and is only available on the market or equipment that is only manufactured or supplied by one manufacturer or supplier respectively); or determined by selecting prices of similar equipment in terms of capacity, technology, origin that has been used in previous or existing structures then adjusting for calculation date accordingly; and satisfactory to equipment demand of structures and projects;

b) In respect of integrated equipment in a system that is quoted or offered as a system, equipment costs shall be determined on the basis of selecting appropriate prices, maintaining competitiveness between quotations and offer prices of integrated equipment of manufacturers or suppliers; or prices of similar equipment system in terms of scale, capacity, technology, and origin on the market or equipment system in similar previous or existing structures and projects then adjusting for calculation date accordingly; and satisfactory to equipment demand of structures and projects.

3. Equipment and equipment system purchase prices (and other relevant costs), equipment cost data declared by domestic and foreign organizations for similar task items of similar structures, work items; or similar task items of structures, task items within similar railway projects that have been implemented or being implemented worldwide can be adopted for the purpose of determining equipment costs in total investment of task items that have been promulgated but not appropriate or have not been promulgated in construction norm and price system promulgated by competent authorities.

1. Calculation and determination of test operation costs in total investment shall be conforming to test operation plans under investment feasibility study.

2. While determining test operation costs:

a) It is permissible to adopt operation norm and unit price system declared by domestic, foreign organizations; or of similar active railway projects worldwide with appropriate conversion made depending on contents, scope, nature of costs, time of calculation, construction location, and specific conditions of projects if norm and unit price system promulgated by competent authorities is not available or applicable to structures and projects.

b) It is permissible to adopt cost entries similar to railway projects with similar operating characteristics and conditions worldwide if such entries have not been stipulated by Vietnamese laws or are not suitable with structures and projects.

1. EPC, EC, EP contract package estimates:

a) EPC, EC, EP contract package estimates shall be determined on the basis of FEED, cost entries in total investment and other details in investment feasibility study and in a manner compliant with details, scope, and implementation period of contract package; and approved under decision on project approval (if contract package division is recommended);

b) Depending on total investment and master plan for contractor selection and contract package estimates approved in accordance with Point a of this Clause, project developers shall update EPC, EC, EP contract package prices in accordance with bidding laws (if necessary); develop and approve contractor selection plans for other contract packages in accordance with bidding laws.

2. The use of construction norm, construction prices, price rates, data pertaining to costs; application of cost entries under Clause 1 and Clause 5 Article 32 of the Law on Railway No. 95/2025/QH15 in determination of construction estimates and contract package estimates in projects must be appropriate to contents, scope, nature of the costs, time of calculation, location of construction, and specific conditions of structures, contract package and must be thoroughly analyzed, evaluated, and presented in construction estimates and contract package estimates. Cost conversion pertaining to calculation time and construction location shall be implemented in accordance with Clause 10 Article 24 hereof.

1. The Ministry of Construction has the responsibility to:

a) assume accountability to the Government for joint governance of the scope of this Decree;

b) guide and examine ministries, central departments, agencies, and organizations in implementation of this Decree;

c) coordinate collection of information and data for declaration of investment rate and comprehensive construction costs within their powers;

d) coordinate collection of information and data pertaining to economic - technical norm system of other countries in order to convert and improve development, promulgation of construction norms, structure maintenance and operation norms;

dd) allocate budget for implementation of Point c and Point d of this Clause.

2. Provincial People’s Committees have the responsibility to:

a) assume liability for governance of the scope of this Decree within their administrative division;

b) direct and examine construction authorities in examination of investment feasibility study in accordance with this Decree;

c) coordinate collection of cost information and data (if necessary) in order to declare investment rates and comprehensive construction costs for management within their jurisdiction;

d) coordinate collection of information, data, and development of technical - economic norms in service of promulgation of construction norms and structure maintenance and operation norms;

dd) allocate budget for implementation of Point c and Point d of this Clause.

3. Project developers, consulting entities, contractors, relevant organizations and individuals have the responsibility to provide information and data to facilitate development of norm system and governance under Point c Clause 1 and Point a, Point b Clause 3 of this Article.

1. Amend Clause 2 Article 3:

“2. “works significantly affecting the community safety and interests” means works specified under Appendix III of Decree No. 144/2025/ND-CP dated June 12, 2025 of the Government on decentralization and assignment in jurisdiction of the Ministry of Construction.”.

2. Amend Point a Clause 3 Article 16:

“a) Construction authorities affiliated to specialized work-managing ministries shall inspect projects assigned by the Prime Minister; nuclear power plant projects; projects involving special-grade works; projects in aviation, maritime sector; national railway projects; projects involving linear works in two provinces or more where provincial People’s Committees are not presiding agencies according to public investment laws or competent authorities according to PPP investment laws.”.

3. Amend Point a Clause 2 Article 44 of Decree No. 175/2024/ND-CP:

“a) Construction authorities affiliated to specialized work-managing ministries shall inspect construction design implemented after fundamental design for works in: projects assigned by the Prime Minister; nuclear power plant projects; projects involving special-grade works; projects in aviation, maritime sector; national railway projects; projects involving linear works in two provinces or more where provincial People’s Committees are not presiding agencies according to public investment laws or competent authorities according to PPP investment laws.”.

4. Repeal Appendix XI.

1. Amend Article 24:

a) Amend Clause 2 Article 24 (amended by Clause 6 Article 11 of Decree No. 35/2023/ND-CP, Clause 1 Article 123 of Decree No. 175/2024/ND-CP, and Clause 1 Article 13 of Decree No. 144/2025/ND-CP) as follows:

“2. Entitlement to inspection:

a) Councils under Article 25 hereof shall conduct inspection of structures under Point a Clause 1 of this Article;

b) Construction authorities affiliated to specialized work-managing ministries shall conduct inspection of works assigned by the Prime Minister, special-grade works within responsibility of ministries according to Clause 3 Article 52 hereof; works which specialized work-managing ministries make investment decision; works within nuclear power plant projects, projects in aviation and maritime sectors, national railway projects; works built on two provincial administrative divisions or more in projects where provincial People’s Committees are not presiding agencies according to public investment laws or competent authorities according to PPP investment laws;

c) Construction authorities affiliated to provincial People’s Committee shall conduct inspection of works within their jurisdiction in accordance with Clause 4 Article 52 hereof, except for works specified under Point a and Point b of this Clause. Provincial People’s Committees shall decide on decentralization of entitlement to inspection of commissioning process conducted by construction authorities affiliated to provincial People’s Committees to agencies assigned to undertake construction management and affiliated to commune-level People’s Committees.

d) The Minister of National Defense and the Minister of Public Security shall elaborate entitlement to inspection of national defense and security works.”.

b) Repeal Clause 2a and Clause 2d Article 24.

2. Amend Point b Clause 4 Article 35:

“In respect of repair of works or works equipment where minimum expenditure is 500 VND million or more and where expenditure is funded by non-public investment state budget and recurrent state budget, work owners or managers shall arrange implementation in accordance with regulations on work investment.”.

1. Amend Clause 1 Article 4:

“1. Surveying, preparation, inspection, and approval for construction projects and design; management of capacity; management of construction investment; contractor selection, management of construction contracts; improvement of field-specific project management board shall conform to specific regulations and policies, specific provisions under this Decree. Regarding details that are not stipulated hereunder, regulations of the Government on management of construction, management of construction contracts, and relevant law provisions shall prevail.

Management of construction investment shall conform to this Decree and relevant regulations on management of construction investment. During implementation of projects under Chapter II and Chapter III hereof, if necessary, the Ministry of Construction may provide separate regulations and guidelines pertaining to management of construction investment, construction norms, and construction prices specific to projects.”.

2. Amend Clause 2 Article 8 and Clause 2 Article 36:

“2. Surveying contractors shall be fully legally responsible for quality of construction surveying work that they undertake. Approval for reports on construction surveying results granted by project preparation agencies shall not supersede nor lessen liability pertaining to quality of construction surveying tasks undertaken by surveying contractors.”.

3. Amend Clause 2 Article 11:

“2. Mid-term reports shall be reviewed by inspection council and submitted to persons making investment decision for consideration and approved in accordance with Article 16 hereof.”.

4. Amend Article 14:

1. Inspection council shall be established by the Minister of Construction.

2. Inspection council consists of Chairperson, Vice Chairpersons, and other council members. Council members consist of field-specific authorities affiliated to the Ministry of Construction, representatives of: the Ministry of Construction, the Ministry of Finance, the Ministry of Agriculture and Environment, the Ministry of Science and Technology, the Ministry of Industry and Trade, the Ministry of Education and Training, the Ministry of Public Security, the Ministry of National Defense; representatives of figureheads of Government Inspectorate; representatives of figureheads of State Audit; representatives of figureheads of ministries, central departments, and local governments, relevant agencies, consulting organizations, experts. Construction authorities affiliated to the Ministry of Construction shall act as Standing council agency.

3. Standing council agency shall be tasked with:

a) Assisting Chairpersons of the council in arranging inspection of investment feasibility study and other common council activities; assigning inspection tasks of council members; cooperating with relevant agencies and examination consulting entities in inspecting investment feasibility study;

b) Receiving and reviewing written request for inspection of investment feasibility study, sending written request to council members, relevant agencies and entities;

c) Developing and submitting inspection plans to inspection councils;

d) Exercising other tasks assigned by Chairpersons of inspection council.

4. Inspection council has the right to:

a) review and decide on contents, programs, and plans of inspection councils, standing council agency, and other relevant issues during project review and inspection;

b) request project preparation agencies, consulting organizations, and relevant agencies to provide relevant documents during review and inspection of investment feasibility study;

c) invite organizations and individuals with appropriate qualifications to participate in inspection process or hire examining bodies to conduct inspection. Costs for inviting organizations and individuals to participate in inspection process or costs for examining shall be included in investment preparation costs and incurred by project preparation agencies or project developers.

5. Council and standing council agency shall be responsible to the Minister of Construction in arranging review and inspection according to assigned tasks; contents of feedback, results of inspection, conclusion, and recommendations produced by inspection council according to operating regulations of inspection council.”.

5. Amend Article 16:

“1. Project developers shall file documents under Clause 2 of this Article to standing council agency for feedback pertaining to recommendations under mid-term reports regarding: line direction and location of control points; location of primary structures on railway line; technology plans; primary applicable standards; component projects, sub-projects prioritized for early implementation (if any).

2. Documents requesting inspection council to provide feedback consist of:

a) Mid-term reports;

b) Reports on inspection results of consulting organizations;

c) Resolution of the National Assembly pertaining to project investment guidelines;

d) Other relevant documents (if any).

3. Inspection council shall issue feedback within 30 days from the date on which they receive adequate documents.

4. On the basis of feedback of inspection council, persons making investment decision shall review and approve recommendations under Clause 1 of this Article.”.

6. Amend Article 17:

“1. Project developers shall send documents under Clause 2 of this Article to standing council agency for inspection.

2. Documents submitted for inspection consist of:

a) Requesting documents;

b) Investment feasibility study;

c) Inspection reports of investment feasibility study of examining consulting organizations;

d) Written approval of persons making investment decision for mid-term reports;

dd) Resolution of the National Assembly pertaining to project investment guidelines;

e) Other relevant documents (if any).

3. Inspection council shall conduct inspection within 60 days from the date on which they receive adequate documents.

4. Project developers shall finalize project dossiers at request of inspection council; send documents on total investment to State Audit for audit and approval of projects. State Audit shall produce audit results within 30 days from the date on which they receive adequate documents requesting audit.

5. Standing council agency shall consolidate and request persons making investment decision to review and make investment decision.”.

7. Repeal Point c and Point d Clause 6 Article 23.

8. Amend Clause 4 Article 25:

“4. Inspection council shall be established in accordance with Article 14 hereof. Inspection council shall choose examining and consulting organizations to inspection investment feasibility study of projects at the same time as preparation of investment feasibility study”.

9. Amend Article 26:

“1. Project developers shall send documents under Clause 2 of this Article to standing council agency for inspection.

2. Documents submitted for inspection consist of:

a) Requesting documents;

b) Investment feasibility study;

c) Inspection reports of investment feasibility study of examining consulting organizations;

d) Resolution of the National Assembly pertaining to project investment guidelines;

dd) Other relevant documents (if any).

3. Inspection council shall conduct inspection within 60 days from the date on which they receive adequate documents.

4. Project developers shall finalize project dossiers at request of inspection council; send documents on total investment to State Audit for audit and approval of projects. State Audit shall produce audit results within 30 days from the date on which they receive adequate documents requesting audit.

5. Standing council agency shall consolidate and request persons making investment decision to review and make investment decision.”.

10. Repeal Point a and Point b Clause 5 Article 31.

11. Amend Clause 3 Article 43:

“3. During inspection process, presiding agencies and construction authorities may consult relevant organizations and agencies pertaining to contents of inspection; invite organizations and individuals with appropriate qualifications to participate in inspection process or hire examining bodies to conduct inspection. Costs for inviting organizations and individuals to participate in inspection process or costs for examining shall be included in investment preparation costs and incurred by project preparation agencies or project developers.”.

12. Replace the phrase “State Appraisal Council” with the phrase “Inspection council” under Point a Clause 3 Article 1; Clause 3 Article 1; Clause 6 Article 11; Clause 1 and Clause 2 Article 15; Clause 1 Article 18; Clause 3 and Clause 5 Article 25; Clause 1 Article 27; Clause 4 Article 59.

13. Repeal Point a Clause 2 Article 62.

1. Transition for provisions of Decree No. 06/2021/ND-CP:

a) In respect of structures the construction of which commenced before the effective date hereof that are required to undergo commissioning inspection according to Decree No. 06/2021/ND-CP but are not required to undergo commissioning inspection according to this Decree, commissioning inspection shall not be required. Project developers have the responsibility to arrange quality control, construction management, structure completion commissioning, transfer, operation, and use and shall assume responsibility for their commissioning results;

b) In respect of structures the construction of which is commenced before the effective date hereof and that are required to undergo commissioning inspection in accordance with Decree No. 06/2021/ND-CP and this Decree and that have undergone commissioning inspection conducted by construction authorities affiliated to specialized work-managing ministries, construction authorities affiliated to specialized work-managing ministries shall continue to inspect commissioning of these structures and remaining structures to be inspected of projects involving relevant structures under this point, except for structures that have undergone examination conducted by construction authorities affiliated to provincial People’s Committees.

2. Transition for provisions of Decree No. 175/2024/ND-CP:

a) In respect of projects of which investment feasibility study has been inspected at construction authorities in accordance with Decree No. 175/2024/ND-CP that are not to be inspected by construction authorities in accordance with this Decree, where these projects are amended, amended investment feasibility study shall not be required to be inspected;

b) Where notice of inspection results of construction projects and structures that have been submitted to construction authorities for inspection or investment feasibility study of amended projects or construction design implemented after amended fundamental design that are eligible for inspection has not been issued, inspection conducted by construction authorities shall conform to Decree No. 175/2024/ND-CP; Decree No. 144/2025/ND-CP. Where inspection eligibility is not met or inspection results are not suitable for submission for approval, project developers shall fulfill requirements and submit for inspection again in accordance with this Decree;

c) In respect of projects of which fundamental design, investment feasibility study for project entirety or part has been inspected by construction authorities affiliated to specialized work-managing ministries before the effective date hereof, entitlement to inspection of investment feasibility study of remaining project stages or inspection of amended investment feasibility study shall conform to Decree No. 175/2024/ND-CP, unless construction authorities affiliated to provincial People’s Committees have inspected the amended investment feasibility in accordance with Decree No. 144/2025/ND-CP;

d) In respect of structures of which construction design implemented after fundamental design of the structure entirety or structure parts depending on construction stages has been inspected by construction authorities affiliated to specialized work-managing ministries before the effective date hereof, entitlement to inspection of construction design implemented after fundamental design of remaining parts of structures or amended structure design shall conform to Decree No. 175/2024/ND-CP unless construction authorities affiliated to provincial People’s Committees have inspected the amended construction design implemented after fundamental design or remaining parts of structures according to Decree No. 144/2025/ND-CP.

1. This Decree comes into force from the date of signing.

2. Ministers, heads of ministerial agencies, heads of Governmental agencies, Chairpersons of provincial People’s Committees shall be responsible for the implementation of this Decree.