105.4.7 Retention of Design and Installation Documents

One set of design and installation documents shall be retained by the commissioner. One set of approved design and installation documents shall be returned to the applicant, and shall be kept on the site of the building or structure or at the work site at all times and readily available for inspection by any representative of the department until the required permit is posted on the premises as required by FC105.3.5, or where no permit is required, until the work performed under such approved design and installation documents has been inspected and approved by the department.