For Risk Category III and IV Buildings where roofing materials are removed from more than 50 percent of the roof diaphragm or section of a building within a 5-year period located where the ultimate design wind speed, Vult, determined in accordance with Table 1604.11 of 780 CMR, is greater than 130 mph (58 m/s), connections of the roof diaphragm to roof framing members, including the building perimeter shall be evaluated for the wind uplift loads specified in the International Building Code. If the connections in their current condition are not capable of resisting 75 percent of those wind uplift loads, they shall be replaced or strengthened in accordance with the loads specified in the International Building Code.
Exception: Buildings that have been demonstrated to comply with the wind load provisions in 780 CMR 5th Edition or later editions.
780 CMR, ch. 34, pt. 1, 307, [BS] 706.3.2