The Office of Planning and Budget, at the direction of the Governor and subject to Code Section 45-12-173, this Code section, and Code Sections 45-12-175 and 45-12-176, shall perform the following functions:

(1) Prepare comprehensive, long-range recommendations for the orderly and coordinative growth of the state, including, but not necessarily limited to, recommendations on long-range functional plans in such areas of state concern as transportation, outdoor recreation, water resources, and economic development, and submit such recommendations to the General Assembly;

(2) Analyze the quality and quantity of services required for the continued orderly and long-range growth of the state, taking into consideration the relationship of activities, capabilities, and future plans of local units of government, area commissions, development districts, private enterprise, and the state and federal government;

(3) Work to harmonize the planning activities of all state departments, agencies, and institutions and other public and private bodies within the state;

(4) Provide technical assistance in the development of planning programs by state departments, agencies, and institutions; local levels of government; and other public bodies within the state;

(5) Work with departments, agencies, and institutions of state government to study and review plans and programs filed with the federal government by state departments, agencies, or institutions relative to any existing, new, expanded, or amended federal-aid program;

(6) At the direction of the Governor, survey, review, and appraise the accomplishments of state government in achieving the goals and objectives set forth in the development program; and

(7) Provide assistance to the General Assembly on request and be available to assist its committees with any needed information or material.