Section 3. Powers and Functions - Administrative Code of 1987

(1) Provide technical services for the planning, design, construction, maintenance, or operation of infrastructure facilities;

(2) Develop and implement effective codes, standards, and reasonable guidelines to ensure the safety of all public and private structures in the country and assure efficiency and proper quality in the construction of public works;

(3) Ascertain that all public works plans and project implementation designs are consistent with current standards and guidelines;

(4) Identify, plan, secure funding for, program, design, construct or undertake prequalification, bidding, and award of contracts of public works projects with the exception only of specialized projects undertaken by Government corporate entities with established technical capability and as directed by the President of the Philippines or as provided by law;

(5) Provide the works supervision function for all public works constructions and ensure that actual construction is done in accordance with approved government plans and specifications;

(6) Assist other agencies, including the local governments, in determining the most suitable entity to undertake the actual construction of public works projects;

(7) Maintain or cause to be maintained all highways, flood control, and other public works throughout the country except those that are the responsibility of other agencies as directed by the President of the Philippines or as provided by law;

(8) Provide an integrated planning for highways, flood control and water resource development systems, and other public works;

(9) Classify road and highways into national, regional, provincial, city, municipal, and barangay roads and highways, based on objective criteria it shall adopt; provide or authorize the conversion of roads and highways from one category to another; and

(10) Delegate, to any agency it determines to have the adequate technical capability, any of the foregoing powers and functions; and

(11) Perform such other functions as may be provided by law.