1609.6.1 Scope.
BC § 1609.6.1
The procedures in Section 1609.6 shall be permitted to be used for determining and applying wind pressures in the design of enclosed buildings in Risk Category I and II as listed below: 1. For buildings located within any borough with a mean roof height of not more than 200 feet (60 960 mm) and not located in Exposure C or D in accordance with Section 1609.4, the use of Section 1609.6 shall be permitted.
2.For buildings located within the Borough of Manhattan with a mean roof height of not more than 300 feet (91 440 mm) and not located in Exposure C or D in accordance with Section 1609.4, the use of Section 1609.6 shall be permitted.













