Select this permit type for projects where a current system exists and a major addition will occur.
- Heat Loss, Combustion Air & make-up Air Calculations (PDF) - Upload file name = Sub1 Mechanical Calcs
- Mechanical Plan – Upload file name = Sub1 Mechanical Plans. Detailed description of system information. Include code compliant details of location of install and type/size of gas piping
- Specifications - Any specifications necessary to complete plan review shall be submitted. Appliance and/or equipment manufacturers’ specifications shall be on site for inspections.