Chicago Roof Deck Requirements

This section of the chicago zoning ordinance essentially mandated homeowners to go through the variation process and present.

Chicago roof deck requirements.

For many years the chicago zoning ordinance restricted the construction of stairs in rear setbacks backyards which limited the ability for homeowners to receive zoning approval required when building a rooftop deck. City of chicago department of buildings porch deck supplemental check sheet c a supplemental porch form doc page 4 of 4 8 4 04 decking deck boards are supported by joists. The decking must be tightly affixed to the joists with nails or deck screws. Per ordinance all elements of porches and decks must be able to support 100 pounds per square foot live loading.

Private residential roof decks which were not legally installed prior to 10 1 03 with a building permit are required to obtain a building permit and to meet all applicable current requirements of the chicago zoning ordinance and the chicago building code. The applicability of any. As there are innumerable porch configurations in the city of chicago the load tables details and examples cannot be expected to address every possible condition. 7 2 light and ventilation requirements existing buildings 34 13 200 380.

The deck and supporting roof structure shall be capable of supporting a live load of 100 psf. Shingle roofing with slope of 5 in 12 or steeper on residential buildings with a maximum of 3 dwelling units and 3 stories in kind replacement of non fire rated doors windows hot water heaters boilers furnaces and ac condensers in buildings with a maximum of 3 dwelling units and 3 stories excludes windows and exterior doors in landmark. Our strength is in our process building a custom team for your specific needs including commercial hospitality and residential home projects. When private roof deck used exclusively by one residential unit is located at the same level or story as the enclosed residential unit only the enclosed portion of the residential unit excluding the roof deck is required to comply with the exiting requirements of the section 13 160 050.

Inspectors inspect all elements of the porch including joists beams columns stairs hand guard rails ledger boards connections and footings. Citizens of chicago that all plans and applications are judged by the same standards. Decking can be either tongue and groove or individually spaced boards. Intended to provide the sole method of porch and deck design and construction necessary to meet the requirements of the chicago building code.