
081612,d988
REQUIREMENTS
• TheseplansandspecicationsmeettherequirementsofIBC2009,90mph.ExposureCWindLoads.
• Maximumwallheight14’,unlessdesignloadsadjustedaccordingly.
• Mainrailspacingmustbe75.5”-99.5”.
• Verticalanchortiesthatareuniquetodesignmayberequiredbythemanufacturer.Theselocations
mayincludeshearwalls,marriagelineridgebeamsupportposts,andrimplates.Thelongitudinal
componentoftheXi2systemreplacesendframeties.Checkmanufacturersset-uprequirements.
• Maximumpierheightis48”pier.
• SteelpiersmustbefastenedtotheI-beamwithclampsprovidedwithsteelpier.
• Systemsmustbeplacedasevenlyaspossible,nomorethan10’fromendofunit.
• Designedforlessthan10degreesroofslope.
AdditionalRequirementsforConcreteSystems
• Pouredconcretemustbe2,500PSIminimumat28days.
• Squareconcretepadsminimumis18”wideby12”deep.Roundconcretepadsminimumis
18”diameterby14”deep.Stripfootingsminimumis18”wideby14’longby6”deep.
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Xi2 Foundation System
Commercial Installation Instructions
for Ground & Concrete Systems
IBC 2009 90 mph Exposure C
By Tie Down Engineering
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