A person or company performing burning, welding, or cutting operations shall obtain a permit from the Fire Department. The permit shall specify the time and exact location of the work to be performed, the nature of the work to be done, and any special precautions to be taken during the work. Prior to the issuance of the permit, the applicant shall provide written authorization signed by the property owner or his agent describing the scope and specific locations where the work is to be performed.
527CMR § 39:04

• The Fire Department requires a paid fire detail for all hotwork performed indoors and/or on the exterior structure of all occupied buildings, and for cutting/burning operations in buildings under demolition.
• A fire detail is not required for hotwork performed in unoccupied buildings under construction, however, a fire watch is required to be provided by the welding contractor.

Click the following link to download a cutting/welding permit application: http://www.cambridgema.gov/CityOfCambridge_Content/forms/Fire_cut_weld_permit.pdf

Click the following link to download a contractor firewatch affidavit: (coming soon)

Please call the Fire Detail Office at (617) 349-4990 to arrange for a paid fire detail. Please note that paid fire details need to be scheduled 24 hours in advance.