1710.3 - Structural observations for wind requirements

Structural observations shall be provided for those structures sited where the basic wind speed exceeds 110 mph (49 m/sec) determined from Figure 1609, where one or more of the following conditions exist:

1. The structure is classified as Occupancy Category III or IV in accordance with Table 1604.5.

2. The building height of the structure is greater than 75 feet (22 860 mm).

3. When so designated by the registered design professional responsible for the structural design.

4. When such observation is specifically required by the building official.

Notes