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  • Avalon Structural, Inc.
    Avalon Structural, Inc.
    831-479-4389
    181 Ridgeview Dr., 95003  Aptos

    Helix members can be installed either as piers (vertical) or as tiebacks (diagonal or horizontal). We've used them for new construction, residential and commercial additions, underpinning existing structures, bridge abutments, and retaining walls. In most underpinning with no signs of lateral movem…