The installation of an automatic standby generator in both residential and commercial applications requires  building, electrical,  plumbing and compressed gas permit (as applicable). 

-Generators must be a minimum of five (5) feet from any combustible wall (NFPA 37), 18" from a 1- hour rated wall
-Generators must be a minimum of five (5) feet from openings in walls (NFPA 37)
-Generator follow  accessory structure setbacks for rear and side yards 
-Generator noise levels may not exceed 65 dBa
-Generators must be a minimum of 10 feet from intake openings or if within 10 feet from an intake opening, said intake opening must be 2 feet below generator exhaust (MC 401.4.1)                                                                   
                                                                                                                                                                                 Applicants will need to provide the following information to the Building Department:          
  • Completed Building Permit Application
  • Completed electrical, plumbing, compressed gas permit applications (as applicable)
  • Three (3) copies of site plan or survey showing the location of the proposed generator, the dimensions of the proposed generator, setbacks from the rear and side property lines, dimension to the nearest combustible wall (if any), dimension to the nearest operable window and the building setback from each of the side property line.  Also show the location of the proposed propane tank.   If natural gas is proposed, show location of proposed gas line
  • Cut sheets/technical data for the proposed generator including sound data

Please feel free to contact me or any Building Department staff 914-989-1561or building@greenburghny.com should you have any questions or concerns.

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