The Vault

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  • Innovation
    Awards
    Permalok
    Trenchless
    04/14/2025

    Permalok® HDD Joint Wins 2025 NASTT Abbott Innovation Award

    Zero-Weld, Zero String-Out Interlocking Joint Maximizes HDD Efficiency At the 2025 No-Dig Show in Denver, Northwest Pipe Company’s Permalok® HDD Joint received the prestigious Abbott Innovation Award from the North American Society for Trenchless Technology (NASTT). The award honors groundbreaking innovations that advance trenchless technology through exceptional design, technical refinement, and industry impact. About the Permalok® HDD […]
  • Permalok
    Project
    Trenchless
    12/10/2024

    Permalok® HDD Pipe Crosses NYC’s East River for Landmark Renewable Energy Project

    Over 10,000 Feet of Steel Casing Pipe with Permalok® HDD Joints Connects a Critical Subterranean Segment of New York’s Champlain Hudson Power Express Project. The Champlain Hudson Power Express (CHPE) is a buried transmission line designed to deliver hydroelectric power from Canada to the New York metropolitan area. CHPE supports the state’s sustainability goal of […]
  • Permalok
    Press
    Trenchless
    11/08/2024

    In the Press: Permalok® Radial Bending Joint Marks a New Era in Microtunneling

    NWP’s Henry Goff discusses Permalok’s patent-pending RBJ technology with Municipal Water Leader—the first steel pipe designed for curved microtunneling. In an exclusive interview featured on the cover of Municipal Water Leader’s November/December issue, Henry Goff, Vice President and General Manager of Permalok®, a Northwest Pipe Company, highlights the innovative Permalok Radial Bending Joint (RBJ). This patent-pending technology is the […]