b'THE OFFICIAL NFBA MAGAZINEDESIGN CONSIDERATIONS FOR POST-FRAME BUILDINGS IN HURRICANE REGIONSTECHNOLOGY & RESEARCHDimitry Reznik, P.E.TIMBER TECH ENGINEERING, INC.P ost-frame buildings are some of the mostwell-suited for these load conditions and are up to cost-efficient,yetresilient,constructionthe challenge.Hurricane load conditions, however, systems available today.In rural America,are a real threat to any building and should not be these buildings have been a fixture for decades,underestimated.This article provides a simplified providing housing for livestock, space for farmoverview of general design considerations, reviews equipment, equestrian facilities, and shop uses. the components of wind-resisting systems, notes More recently, post-frame buildings have beencommon design and installation oversights, and making their way into residential, business, andreferences wind-borne impact design requirements industrial districts as private homes, office buildings,for buildings located in hurricane-prone regions. warehouses, retail space, educational facilities,The most recognized characteristic of any hurricane recreational structures, and places of worship.is the high wind speed.Wind speed is the base Many of these buildings are being constructed in hurricane-prone regions with extreme winds andvalue for calculating wind loads on a building.The impact loads from wind-borne debris.In such areas,Minimum Design Loads and Associated Criteria for cladding and all wind-resisting components of theBuildings and Other Structures standard published structure are likely to be tested repeatedly duringby the American Society of Civil Engineers (ASCE/the life of the structure. Post-frame buildings areSEI 7) defines Hurricane-Prone Regions as coastal areas along the Atlantic Ocean andGulfof Mexicowhere the basic wind speedforRisk CategoryII buildingsis greater than 115 mph (Figure 1). Less obvious is the relationship betweenthe windspeed andthewind loadeffecton Figure 1: Hurricane Wind Load Map (image provided by ASCE 7 Online HAZARD TOOL: ASCE/SEI 7-16)12 / FRAME BUILDER - FEB2022'