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DOT Division of Design, Sacramento, California

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DOT Division of Design, Sacramento, California

Department of Transportation
Division of Design, Sacramento, California

May 8, 2012
Letter of Approval for Permacast products

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  • White Paper: Criteria for Choosing Appropriate Large-Diameter Sewer Rehabilitation Solutions

    CCCP emerges as an extremely flexible and effective solution for most trenchless large-diameter sewer rehabilitations, especially where the rehabilitation must be structurally sound and cannot reduce ...
  • Cost of Culvert Failure

    As America’s infrastructure ages, the risk of failures increases. Bridge corrosion, road and utility degradation are becoming an increasing concern for agencies across the United States. Culvert pipe...
  • 40 Feet Deep & About to Fail

    Tomhannock Reservoir, located in the state of New York, is more than 5 miles long and holds 12.3 billion gal when full. Parts of the reservoir’s earth-filled dam date back to 1900, which means that r...
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