Roof Weight Analysis Nyc

Bloomberg mayor city of new york.

Roof weight analysis nyc.

Executive acknowledgements honorable michael r. 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. 1 foot 304 8 mm 1 square foot 0 0929 m 2. Construction codes and the new york city zoning resolution.

Cost analysis 3 5 4 cool roof considerations cool roof standards 4 1 going from hot to cool 4 2. Nonclassified roof coverings shall be permitted on buildings of group r 3 and group u occupancies where there is a minimum fire separation distance of 6 feet measured from the leading edge of the roof. Because a green roof will add substantial weight to a building s structure you must hire a professional engineer or registered architect to perform a structural analysis to determine if the existing roof and its support system can hold the added load without a modification. For occupancy groups r 2 and r 3 the maximum occupant load permitted on the rooftop or terrace shall not exceed 30 persons where.

With more than 1 6 billion square feet of rooftops in new york city green roofs and solar panels can help reduce our greenhouse gas emissions. In addition the following conditions shall apply. Reducing new york city s urban heat island effect ddc 2004 6 5. Green roof property tax abatement.

These are the weights of typical actual products. Because a green roof will add substantial weight to a building s structure you must hire a professional engineer or registered architect to perform a structural analysis to determine if the existing roof and its support system can hold the added load without a modification. Buildings that are not more than two stories in height and having not more than 6 000 square feet of projected roof area and where there. Installing a green roof or solar panel may add substantial weight to your roof.

Hire skilled and licensed professionals for installation. Ft kilograms per square meter kg m 2 source. Revised nyc acceleration parameters s s s 1 differs from nys risk based design concept of asce 7 2010 2010 nys building code figure 1613 5 1 maximum considered earthquake ground motion for new york state of 0 2 sec spectral response acceleration 5 of critical damping site class b earthquake loads bc 1613. Weight of roofing materials.

Tax incentives are available for making these improvements. Pounds per square foot lb ft 2 pounds per square 100 sq. The weights of other actual products of the same type may vary.