Mechanical / Gas

Technical Codes

The Technical Codes are hereby declared to be remedial and shall be construed to secure the beneficial interests and purposes thereof, which are public safety, health, and general welfare through:
  • Adequate light and ventilation
  • Regulations on the installation and maintenance of all electrical, gas, mechanical, and plumbing systems that may be referred to as service systems
  • Safety to life and property from fire and other hazards attributed to the built environment (such as alteration, repair, removal, demolition, use, and occupancy of buildings, structures, or premises)
  • Sanitation
  • Structural strength and stability

Permit Regulations

Any owner, authorized agent, or contractor who desires to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure; erect, install, enlarge, alter, repair, remove, convert, or replace any electrical, gas, mechanical or plumbing system; or cause any such work to be done shall first hire or cause to hire a licensed and/or registered contractor.

The contractor shall first submit an application to the building official and obtain the required permit for the work. Building permits may be issued to the property and building owners when so allowed by the Memphis and Shelby County technical codes boards and State of Tennessee Contractors’ License Laws. Separate permits are required for building, electrical, mechanical, plumbing, heating ventilation, air conditioning, sprinklers, underground fire service, and signs.

How Long are Permits Good For?

This permit becomes null and void if work or construction authorized is not commenced within six months, or work or construction is suspended or abandoned for a period of six months after work is commenced. Work shall be considered suspended if an approved inspection has not been made within a six-month period. Issuance of permit shall not be held to permit, or to be an approval of, the violation of any provisions of any county ordinance / resolution or state laws.

Additional Resources

Find out what materials / hardware are inspected during mechanical and gas permit inspections.