Add Section B-1609.3.2 as follows:
B-1609.3.2 Basic design wind speed for Philadelphia. For the City of Philadelphia, the basic wind speed for the determination of wind loads shall be based on a 3-second gust and a minimum of 105 miles per hour (47 m/s) 3-second gust for Risk Category I buildings and other structures, 115 miles per hour (51 m/s) 3-second gust for Risk Category II buildings and other structures, and 130 miles per hour (58 m/s) 3-second gust for Risk Category III and IV buildings and other structures.