This chart is sold as an engineered sealed document and meets the requirements of the 2007 Florida Building Code using ASCE 7-2005 for the determination of wind pressures using "Above Grade Sign" method. THIS CHART IS NOT TO BE USED FOR ROOFTOP EQUIPMENT. The 2007 FBC allows a permit applicant to submit for a ground-mounted mechanical equipment installation using the submission of one of these sealed wind pressure charts as one of three approved methods.