Building - Addition

Construct approximately 900 SF one-story addition to existing single-family dwelling; new primary bedroom, bathroom, office, dining area and mudroom; associated foundation, framing, roofing, deck, plumbing, mechanical and electrical work; alterations to existing dwelling as shown. Building Permit – Addition/Alteration to Existing Single-Family Dwelling ? Final/updated plot plan reflecting proposed addition and deck ? Zoning approval ? Health Department approval for proposed bedroom count/septic system ? REScheck / energy-code compliance documentation ? Verify window and door U-factors ? Verify primary bedroom emergency escape and rescue opening – IRC R310 ? Identify HVAC system serving new conditioned space ? Smoke alarm compliance – IRC R314 ? Carbon monoxide alarm compliance – IRC R315 ? Complete deck and exterior stair details – IRC R311.7 / R312 ? Verify deck/porch footing sizes and frost depth ? Clarify basement/thermal-envelope insulation approach ? Identify required safety glazing – IRC R308 ? Provide bathroom ventilation/exhaust information ? Verify construction conforms to engineered structural plans ? Electrical permit required ? Plumbing permit required ? Mechanical/HVAC permit required