(8) Perform such other related duties and functions as may be assigned by the Regional Secretary. SEC. 12. Duties and Functions of the Bureau of Operations. - The Bureau of Operations shall develop and formulate plans and policies relating to implementation of infrastructure projects in accordance with set guidelines and standard specifications. For such purpose, it shall: (1) Formulate plans and policies pertaining to: a) Construction Management and Control Administration; b) Maintenance of Infrastructure projects and facilities; and c) Management of infrastructure equipment auxiliary facilities. (2) Review and evaluate programs, estimates, tender and contract documents for construction, maintenance and equipment; (3) Inspect, supervise and monitor all construction directly implemented by the Department; (4) Inspect and monitor construction and maintenance activities including equipment utilization of Field Offices for the purpose of insuring that such activities are being conducted/ implemented in accordance with the approved standard policies and guidelines; (5) Provide technical support to implementing field offices on construction management, construction by administration, maintenance of infrastructure facilities, and equipment management; and (6) Perform such other functions as maybe assigned by the Regional Secretary. Chapter 4 Field Offices SEC. 13. District Office. - There shall be a District Office in each of the provinces and cities in the Autonomous Region to be headed by a District Engineer appointed by the Regional Governor. The District Office shall be responsible for all highways, flood control and water resource development systems, and other public works within the district, except those specialized projects undertaken by corporate entities with established technical capability, authorized or directed by the Regional Governor or as may be provided by law. For this purpose, it shall: (1) Prepare and evaluate the plans, construction designs, and perform supervisory functions of the Department for the District; 140