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Prior to beginning an alteration to a manufactured home, documentation for the proposed alteration must be submitted for review and approval. Documentation should be submitted to the municipality/building official having jurisdiction or to this agency. Alterations to electrical systems or components require application for permit and inspection by a Minnesota electrical inspector.

Depending on the alteration, required documents may include:

  • 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 percent), vent (4 percent), 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 submitting documents, contact the municipality/local building official or this agency to learn which documentation is required for the proposed alteration.