Interior Alterations to Existing Commercial Buildings
Information, forms and process when making application for alterations to an existing structure. Applications are available online. A building permit is required prior to alterations made to the interior of an existing building.
Alterations may include but are not limited to:
- Interior partitioning
- Adding usable floor area i.e.) mezzanine or second story
- Installing a new roof top unit (HVAC)
- Replacement or removal of a structural component
- Reconstruction due to damage from fire, flood or other cause
- Replacement of guardrails
- Any work involving fire separations
- Installation of a spray booth
When applying for permits to construct interior alterations within an existing commercial building, the following information must be submitted to process your application:
- Key plan showing the entire building, the tenant location and adjacent tenants (if the building has more than one tenant)
- Description of the building including number of stories, building area (in square meters), construction type such as wood frame or masonry block.
- Floor plans showing all involved floor levels, clearly describing what is existing and any new revisions (Note: The floor plans must show all room uses, corridors, exits, elevators, etc.)
- All applicable architectural, structural, plumbing, heating, sprinkler and electrical changes.
- Existing building services such as sprinkler and fire alarm systems.
- The drawings must include dimension or be scaled, i.e. 1/8” = 1.0”.
- All of the work must be shown regardless of who is doing the work.
- A Site Plan may be required depending on the extent of the work.
- Barrier-Free access must be considered when making alterations to a building.
To provide an accurate review of your submittal, the information on your drawings should be detailed enough that any contractor could take those drawings and construct what is proposed.