Must comply with the residential code of new york state section 403 and r403 1 4.
Nyc roof deck regulations.
The footing may also be twelve inches 12 thick of concrete placed in the bottom of the forty two inch 42 hole.
Back in april of 2017 the new york city department of buildings dob decided to crack down on roof decks roof terraces and recreational spaces on the roofs of buildings.
The footing must be a minimum of twelve inches 12 in diameter and at a depth below the frost level of forty two inches 42 from finish grade to the bottom of the footing.
Nyc building code roof deck parapets and railings parapets and railings on a roof deck must be at least 3 6 42 inches.
Rooftop outdoor spaces had become hugely popular for new and existing buildings.
Roof coverings shall be designed and installed in accordance with this code and the approved manufacturer s instructions such that the roof covering shall serve to protect the building or structure.
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.
Roof decks shall be covered with approved roof coverings secured to the building or structure in accordance with the provisions of this chapter.
Developers and building owners were up in arms.
The existing parapet may be under that requirement or adding the roof deck may reduce the height of the parapet since the parapet is measured from the walking surface.
Dob provides new guidelines for rooftop terraces in nyc.