Prior to beginning an alteration to a manufactured home documentation for the proposed alteration shall be submitted for review and approval. Documentation shall be submitted to the municipality/building official having jurisdiction or to the Minnesota Building Codes and Standards Division for review. Alterations to electrical systems or components require application for permit and inspection by a Minnesota Electrical Inspector.
Documentation, depending on the nature of the alteration, that may be required for submittal are as follows:
- Types of materials and their specifications. Include; span ratings, grade and species, installation instructions, fire ratings, and etc.
- Procedure for installation of materials; fastener type and spacing.
- Engineering designs/calculations for trusses, window/door headers, and frame ground support.
- Method for extension of appliance flues and plumbing vents through roof if roof changes are proposed.
- Window schedule indicating and verifying compliance for light (8%), vent (4%), and egress.
- Plot plan including location on property, property lines, easements, and setbacks.
- Dimensioned floor plan of existing home and proposed alteration or addition.
- "R" or "U" values of home when originally constructed (data plate).
- Owner's name and site address.
- Contractor's license number and name.
- Serial number, model name/number, and date of manufacture of home (photocopy of title).
Prior to submittal of documentation, contact the municipality/local building official or the Department of Labor and Industry to find out the type of documentation that will be required for the proposed alteration.