o. 185,587, Eff. 7/16/18.) The inspections provided for in this section shall not be required for construction or installation work done on the premises of a Type II fabricator to whom an approval has been issued pursuant to the provisions of Division C, Article 6, Chapter IX of the LAMC. 91.108.12. Inspections by Certified Licensed Contractors of Work Performed on Detached Single-family Dwellings and Multi-family Dwelling Units. (Amended by Ord. No. 186,613, Eff. 6/24/20.) 91.108.12.1. (Amended by Ord. No. 186,613, Eff. 6/24/20.) In lieu of the inspections made by employees of the Department, as specified in LAMC Section 91.108, a certified licensed contractor, employed by the owner, upon notification to the Department prior to the commencement of work, may install, inspect, and certify any of the following as being performed in compliance with the provisions of the LAMC for a detached single-family dwelling: 1. The replacement of defective water heaters with one of equivalent gallonage, Btu rating, and vent capacity when the vent does not require relocation or replacement. 2. The replacement of defective forced-air units with one of equivalent size, Btu rating, and vent capacity when the vent does not require relocation or replacement. 3. The replacement of defective air- conditioning units with one of equivalent size and Btu rating. 4. The replacement of plumbing fixtures and solar panels with equal kind and quality. 5. The replacement of defective domestic water piping within a dwelling with piping of equivalent size and quality when the installation does not exceed 50 feet in length. 6. The replacement of defective metallic water service piping with piping of equivalent size, quality, and conductivity. 7. The removal of existing roofing and the replacement of roofing materials that are in compliance with CBC Section 1510 and that do not require any alteration to the roof support system. 8. The replacement of defective smoke detectors. 9. The replacement of shower pans with the same size and capacity. 10. The installation or replacement of masonry and concrete fences not exceeding 6 feet in height. 11. The installation or replacement of seismic gas shut-off valves for low-pressure systems. 91.108.12.1.1. (Added by Ord. No. 186,613, Eff.