Tie Down Steel Pier System - Manual

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Steel Pier System
Installation Instructions for Wind Zone I, II & III
By Tie Down Engineering
Updated: 8/9/06
REQUIREMENTS
• Install in any type of soil, 4B(175-275 lbs.) or better.
• Maximum vertical projection at sidewall is 9’. Higher walls may be used when the design loads are
adjusted accordingly.
• Main rail spacing must be 75.5” - 99.5”
• Wind Zone II & III generally require sidewall anchors. Check manufacturers requirements.
• Additional vertical anchor ties that are unique to a home's design may be required by the home
manufacturer. These locations may include shear walls, marriage line ridge beam support posts, and rim
plates. The longitudinal component of the Xi2 system replaces end frame ties. Check manufacturers
set-up requirements.
• Maximum pier height is 48” pier.
• Systems must be placed as evenly as possible, no more than 10’ from end of home.
• Additional systems may be needed for roof slopes greater than 20 degrees, (4.37” in 12” Pitch ) See Page 4.
• Two systems designed to work in conjunction with each other.
* Xi2 components exceed HUD code 3280.307g "Anchoring equipment exposed to weathering shall have a
resistance to weather deterioration at least equivalent to that provided by a coating of zinc on steel of not
less than 0.30 ounces per square foot of surface coating...."
• Easy installation
• 3 Sq ft pad & pier replace standard support pier and base
• Arms of pier easily handle longitudinal stabilization requirements
• Heavy galvanized coating* on bracket and struts
• Screw type peir adjusters... No need to use installation jacks to adjust home to system