The planning director, upon receipt of an application for site development review, shall make such investigations as are necessary to determine whether or not the proposed use or structure conforms or may be conditioned to conform fully to the regulations for the district as herein set forth. The planning director may request reports and recommendations from the county surveyor, building official and health officer, public works department, other offices of the county, or any other interested public agencies regarding matters within their jurisdiction which may be affected by the proposed use or structure. (Prior gen. code § 8-95.3)