AC336 Bearing Pin Piers—Approved June 2016, editorially revised April 2019 (PDF Download)

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AC336 4-2019
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AC336 establishes guidelines for evaluation of bearing pin piers used as the foundation of exterior porch deck and elevated walkway and stairway construction. The bearing pin piers consist of precast, normal-weight concrete heads and steel bearing pins that are driven through precast holes in the head and into the underlying soil.

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