Before proceeding with the construction, enlargement, alteration. repair or removal of any building or other structure, a permit shall be first obtained by the owner or his agent from the Building Inspector. Such permit must be obtained before the commencement of any work, including excavations, is performed on the premises in connection with any construction, enlargement, alteration, repair or removal of any building or other structure. The application shall be made in writing and upon printed forms furnished by the Inspector and shall, except for removals, be accompanied by a complete set of plans and working drawings conforming to the requirements of Chapter 1305. In addition to the above plans, and where heating equipment is to be installed, there shall be submitted, at the time of applying for a building permit, an approved set of heating plans in accordance with Section 1307.15. When plans and drawings are found to conform to the requirements of this Building Code and the Zoning Code, and such plans and drawings have been approved by the Architectural Board of Review as provided in Section 137.08 of the Administrative Code, the Inspector shall issue a permit, except as otherwise provided by ordinance or statute, which permit shall be effective for one year from the date of its issuance.