Publications
12

MNDOT District 6 Tests Centrifugally Cast Pipe in Problem Area

posted on
MNDOT District 6 Tests Centrifugally Cast Pipe in Problem Area

“Our district is faced with thousands of deteriorated centerline roadway pipes,” says Ruth Betcher, P.E., hydraulics engineer for the Minnesota Department of Transportation’s (MNDOT) District 6, “and replacing all that pipe is cost prohibitive—and also, citizens don’t welcome detours!”

Currently, MNDOT uses cured in place pipe (CIPP) and HDPE pipe relining extensively, but both have disadvantages: CIPP is expensive and HDPE decreases hydraulic capacity due to reduced inner pipe diameter—HDPE also requires at least 25 feet of clear area for staging.

Click to read Complete Article (PDF)

Categories: Published Articles | Tags: | View Count: (1947) | Return
Catagories
Search Publications
  • 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...
INFOMATION
  • AP/M PERMAFORM
    Box 555
    Johnston, IA 50131
  • 800.662.6465
    515.276.9610
    515.276.1274 Fax