Intro to HVAC Mechanical Code Regulations : Administration

 Scope of Mechanical Codes

  • Govern design, installation, maintenance, alteration, and inspection of mechanical systems.

  • Ensure control of environmental conditions and related processes within buildings.

  • Regulate system components, equipment, and appliances.

Key Objectives

  • Establish minimum requirements for safety, health, property protection, and general welfare.

  • Control design, construction, installation, quality of materials, location, operation, and maintenance of mechanical systems.

Standardization and Specificity

  • IMC provides standardized regulations.

  • Some areas use alternate codes specific to their region.

  • Specific requirements take precedence over general ones.

  • Most restrictive regulation governs when different sections specify different methods.

IMC Section 102: Applicability

  • Codes for removal of existing installations, maintenance, additions, alterations, or repairs.

  • Compliance rules for changes in occupancy, historic buildings, and moved buildings.

  • Reference codes and standards for unaddressed requirements and other laws.

IMC Section 106: Permits

  • Necessary for erecting, installing, enlarging, altering, repairing, removing, converting, or replacing mechanical systems.

  • Required for owners, authorized agents, or contractors.

  • Guidelines on when permits are required, annual permits, and temporary permits.

  • Temporary permits valid for up to 180 days, extensions possible for demonstrated cause.

IMC Section 107: Temporary Equipment Systems and Uses

  • General guidelines for temporary utilities and termination of approval.

  • Code official authorized to issue and extend temporary permits.

IMC Section 108: Inspections and Testing

  • Code official authorized to conduct necessary inspections for compliance.

  • Work must remain visible and accessible for inspection until approved.

  • Guidelines for required inspections, evaluation, follow-up inspections, and testing.



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