Pursuant to section 477 of RA No. 7160 Local Government Code of 1991, the office of the provincial engineer shall have the following powers and duties:

1. Initiate, review and recommend changes in policies and objectives, plans and programs, techniques, procedures and practices in infrastructure development and public works, in general, of the province;
2. Advise the governor, as the case may be, on infrastructure, public works, and other engineering matters;
3. Administer, coordinate, supervise, and control the construction, maintenance, improvement, and repair of roads, bridges, and other engineering and public works projects of the province;
4. Provide engineering services to the province, including investigation and survey, engineering designs, feasibility studies, and project management;
5. Exercise technical supervision over all engineering offices of component cities and municipalities; and

6. In addition, the office shall exercise such other powers and perform such other duties and functions as may be prescribed by law or ordinance.