Nyc Dob Roof Deck Memo

They are popular as amenity spaces in commercial office buildings for the benefit or convenience of its owners occupants employees customers or visitors.

Nyc dob roof deck memo.

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. These systems must cover 100 percent of any applicable roof. 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.

A roof assembly includes the roof deck substrate or thermal barrier insulation vapor retarder and roof covering. The definition is limited in. As defined in section 1502 1 of the 2014 new york city building code. A roof deck would be filed with the dob either through an alteration type 1 alt 1 or alteration type 2 alt 2.

503 7 337 roof coverings 503 8 338 roof structures 504 0 art. 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. Is the structural surface to which the roofing and waterproofing system including insulation is applied. Nyc roof deck regulations.

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. The department of city planning is writing because it is dcp s view that the use of roofs in commercial districts as open passive recreation space is supported by the text of the new york city zoning resolution the zr and that dob could permit the use of such open space without a zoning text amendment. Nyc roof deck regulations. Adding a roof deck to an existing building in nyc requires permits.

When scuppers are used for secondary emergency overflow roof drainage the quantity size location and inlet elevation of the scuppers shall be sized to prevent the depth of ponding water from exceeding that for which the roof was designed as determined by section 1503 4 1 scuppers shall not have an opening dimension of less than 4 inches 102 mm. Nyc building code 3300 governs construction safety and applies to decks and porches.