Upon completion of the erection or alteration of any building or portion thereof authorized by a zoning permit, the holder of such permit shall notify the Zoning Officer of such completion and request an occupancy permit, in writing. An occupancy permit shall either be granted or denied within 10 days of the written application thereof. The granting of an occupancy permit shall be certification by the Zoning Officer that the work has been inspected and approved as being in conformity with the provisions of the zoning permit, of this chapter and all other applicable ordinances and regulations. All applications, together with accompanying plans and documents, shall become and be preserved as a public record, subject to the disposition of the Board of Supervisors.