MOUNT RUSHMORE NATIONAL MEMORIAL CHOOSES PVC PIPE FOR NEW SEWAGE LIFT STATION While Mount Rushmore is known for its majestic sculptures of Presidents George Washington, Thomas Jefferson, Abraham Lincoln and Theodore Roosevelt, very few are aware the memorial is staffed by an on-site operations team whose members reside in single-family homes and a small multi-family complex right on the mountain. CASE STUDY MUNICIPAL Application: Water & Force Main Sewer Project Type: Open Trench Horizontal Directional Drilling Owner: National Park Service Product Used: Certa-Lok ® Yelomine ® PVC Pipe Contractor: Mainline Contracting, Inc. Driller: Beka Ditching Engineer: Rothberg, Tamburini & Winsor CHALLENGE Mount Rushmore’s growing on-site staff housing created an increased demand on th

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