Town of Ayer, MA Official Web Site

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    Permit requirements - Renovations ( No exterior expansion)

    Permit Application Form
    • The permit application form must be filled out completely. (4pages)
    • Illegible or incomplete applications will not be processed.

    Owner Authorization
    • If the applicant is anyone other then the owner of the property, a letter which authorizes the applicant to act as the owner’s agent in obtaining the permit and to perform the work on the project is required.
    • This letter must be signed by the property owner.

    Construction Supervisor License
    • Submit a valid copy of the Construction Supervisor License of the person who will be responsible for the project.

    Worker’s Compensation Certificate
    • On page 3 of the Permit Application is a ‘Workers Compensation Affidavit Form’ to be filled out. In addition to filling out the Affidavit, you must also submit a valid copy of the General Contractor’s Worker’s Compensation Insurance Certificate.
    • This Certificate must be site specific.
    • A building permit cannot be issued without Compensation Insurance unless the contractor is a sole proprietor.

    Board of Health

    If your property is serviced by a private septic system, and your renovation includes the
    development of an additional bedroom, Board of Health approval will be required prior
    to the issuance of the building permit.

    If the renovation includes the development, other than a bedroom, you must
    meet the Title V Sanitation requirements for total room count.

    Submit Board of Health approvals with your permit application.



    • Plans and Specifications

    A complete set of Architectural / Engineered plans is required.
    Plans should be of sufficient detail to demonstrate Zoning compliance and
    with 780 CMR 7TH Edition (Building Code).

    All plans to be draw to standard architectural scales (ie 1/4” = 1’-0”, 1/8” = 1’-0”)

    Maximum drawing size ‘D’ (24” x 36”)
    DO NOT fold drawings. All drawing must be back rolled.

    Plans which require the certification of a registered professional (ie registered
    Architect or Registered Engineer), all pages must be stamped.
    The submitted plans MUST bear the original seal and signature of the
    professional of record.

    Plans should include, but necessarily limited to:
    Floor Plans
    Exterior Elevations
    Framing Plans
    Framing Sections and Connection Details.
    Lateral bracing method must be identified on drawing, also locations.
    All framing materials must be identified as to size, spacing, spans, and wood species

    Provide additional details and specifications to demonstrate compliance with the
    Code, as needed.


    • Engineering Certifications

    If your project contains any, engineered lumber, trusses (roof or floor) steel
    beams, vaulted ceilings, post ‘n’ beam framing, or unusual structural conditions,
    certification of the framing, connection details, and lateral bracing will be required
    by a Mass licensed structural engineer.

    The submitted plans MUST bear the original seal and signature of the
    professional of record.


    • Energy Compliance

    The Code requires that your project meet minimum energy standards.
    A copy of ‘ResCheck must be completed, signed by the person making the
    calculations and submitted with your permit application.
    In lieu of ‘ResCheck’ you may chose the prescriptive Package option. Submit the Prescriptive Package forms as shown in appendix ‘J’ of the Code and identify which option you are planning to use.

    • Additional Information.

    The previous information was established to give you a guide to assembling your
    permit application package.
    Provide additional information and documents as may be need for your project.

    If you have questions during the design development phase of your project, or
    while putting your application package together, you should contact the
    Building Commissioner, or come in during scheduled office hours.
    (Tuesday and Thursday 8:30am to 11:00am Phone 978-772-8214)
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