Nyc Dob Roof Deck Memo

Nyc building code 3300 governs construction safety and applies to decks and porches.

Nyc dob roof deck memo. Decks and porches are raised floors that are level with or below the first story of a house supported by a structural frame and without a roof. A roof deck would be filed with the dob either through an alteration type 1 alt 1 or alteration type 2 alt 2. Decks terraces or porches open above non residential roof in required rear yard or rear yard equivalent zr 33 23 43 23 decks on rooftops zr 23 62 e 2451 e 3342 3553 4342 d decks in required side and rear setbacks zr 23 632 2455 decks and terraces porches in courts zr 23 87 2468. New york ny the new york city department of buildings dob announced that effective today local law 92 of 2019 and local law 94 of 2019 require all new buildings and existing buildings undergoing certain major roof renovations to have a solar photovoltaic system a green roof system or a combination of the two.

Adding a roof deck to an existing building in nyc requires permits. The definition is limited in. 5 prevention of interior fire spread 504 1 339 fire segregation of occupancies 504 2 340 fire divisions 504 3 341 fire separations 504 4 342 openings in fire divisions and separations 504 5 343 ducts pipes and conduits through rated construction 504 6 344 shafts. These systems must cover 100 percent of any applicable roof.

A roof assembly includes the roof deck substrate or thermal barrier insulation vapor retarder and roof covering. The difference between them is that a porch provides access to a building s primary entrance. Nyc roof deck regulations. Nyc roof deck regulations.

Is the structural surface to which the roofing and waterproofing system including insulation is applied. Dob provides new guidelines for rooftop terraces in nyc apr 19 2018 in new york city rooftops and terrace spaces should put a smile on the faces of building owners and tenants alike. All work must be filed with the nyc department of buildings dob. Roof repair or replacement limited to the roof membrane roof coverings cant strip and any insulation above the roof deck sheathing provided that the new york city energy conservation code does not require additional thermal insulation for the roof.

They are popular as amenity spaces in commercial office buildings for the benefit or convenience of its owners occupants employees customers or visitors. 503 7 337 roof coverings 503 8 338 roof structures 504 0 art.