The Building Inspector shall have power to modify any of the provisions of the rules and regulations hereby adopted upon the application in writing by the owner or lessee, or his or her duly authorized agent, when there are practical difficulties in the way of carrying out the strict letter of the rules and regulations, provided that the spirit of the rules and regulations shall be observed, public safety secured and substantial justice done. The particulars of such modification when granted or allowed and the decision of the Building Inspector thereon shall be entered upon the records of his or her department and a signed copy shall be furnished to the office of the City Clerk and to the applicant.
(1975 Code, § 13.06)