Subsection R110.3 - Required InspectionsThe building official shall conduct inspections during construction at intervals sufficient to ensure compliance with the provisions of 780 CMR which may include inspections set forth in sections R110.3.1 through R110.3.10. The building official shall inform the applicant of the required points of inspection at the time of permit issuance. The building official may designate specific inspection points in the course of construction that require the contractor or builder to give the building official one business day notice prior to the time when those inspections need to be performed. The building official shall make the inspection within two business days after notification.
NOTE - Manufacturer's Installation Instructions. Manufacturer's installation instructions shall be available on the job site at the time of inspection when required by the building official.
R110.3.1Footing and Foundation Inspection. Footing and foundation inspections shall be made after excavations for footings are complete and any required reinforcing steel is in place. For concrete foundations, any required forms shall be in place prior to inspection. Materials for the foundation shall be on the job, except where concrete is ready mixed in accordance with ASTM C 94 the concrete need not be on the job.R110.3.2Concrete Slab and Under-floor Inspection. Concrete slab and under-floor inspections shall be made after in-slab or under-floor reinforcing steel and building service equipment, conduit, piping accessories and other ancillary equipment items are in place, but before any concrete is placed or floor sheathing installed, including the subfloor.R110.3.3Lowest Floor Elevation. In flood hazard areas, upon placement of the lowest floor, including the basement, and prior to further vertical construction, the elevation certification required by 780 CMR shall be submitted to the building official.R110.3.3.1Floodplain Inspections. For construction in flood hazard areas as established by Table R301.2(1), upon placement of the lowest floor, including basement, and prior to further vertical construction, the building official shall require submission of documentation, prepared and sealed by a registered design professional, of the elevation of the lowest floor, including basement, required in section R322.R110.3.4Frame Inspection. Inspection of framing construction shall be made after the roof, masonry, framing, fire-stopping, draft-stopping and bracing are in place and after the plumbing, mechanical and electrical rough inspections are approved, when required.R110.3.5Lath and Gypsum Board Inspection. Lath and gypsum board inspections shall be made after lathing and gypsum board, interior and exterior, is in place, but before any plastering is applied or gypsum board joints and fasteners are taped and finished. EXCEPTION: Gypsum board that is not part of a fire-resistance-rated assembly or a shear assembly.
R110.3.5.1Fire-resistance-rated Construction Inspection. Where fire-resistance-rated construction is required between dwelling units or due to location on property, the building official shall require an inspection of such construction after lathing or gypsum board or gypsum panel products are in place, but before any plaster is applied, or before board or panel joints and fasteners are taped and finished.R110.3.6Fire and Smoke-resistant Penetrations. Protection of joints and penetrations in fire-resistance-rated assemblies, smoke barriers and smoke partitions shall not be concealed from view until inspected and approved.R110.3.7Energy Efficiency Inspections. Inspections shall be made to determine compliance with 780 CMR R11.00: Energy Efficiency and shall include, but not be limited to, inspections for: envelope insulation R and U values, fenestration U value, duct system R value, and HVAC and water-heating equipment efficiency.R110.3.8Other Inspections. In addition to the inspections specified above, the building official is authorized to make or require other inspections of any construction work to ascertain compliance with the provisions of 780 CMR and other laws that are enforced by the building official.R110.3.9Special Inspections. ReservedR110.3.10Final Inspection. A final inspection shall be made after the permitted work is complete and prior to occupancy of the building or structure. R110.3.10.1Flood Hazard Documentation. If located in a flood hazard area, the documentation of elevations required in section R322.1.10 shall be submitted to the building official prior to the final inspection.780 CMR, ch. 51, ch. 1, pt. 2, 110, R110.3
Amended by Mass Register Issue 1532, eff. 10/11/2024.