1502.1 Add a second paragraph as follows:

All storm- or casual water from roof areas which total more than 200 square feet (18.58 m [2] ) shall drain or be conveyed directly to the building drain or storm drain or to an approved alternate location based on approved geotechnical and engineering design. Such drainage shall not be directed to flow onto adjacent property or over public sidewalks. Building projections not exceeding 12 inches (305 mm) in width are exempt from drainage r eq uirements without area limitations.