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Delta Lake Irrigation District Canal Replacement

Edcouch, Texas

Stream Crossing

Technical Description:

  • Product: DuroMaxx® SRPE
  • Diameter: 84-inch
  • Length: 40 LF

Located roughly 60 miles away from the Rio Grande River-U.S. Mexican border in Edcouch, Texas, the Delta Lake Irrigation District (the District) is solely responsible to divert water to the surrounding community for irrigation, municipal and domestic use throughout the district. A major part of these efforts involved the construction of the Delta Lake Reservoir in 1938 in order to provide a more reliable availability of water to meet the District’s needs, including several irrigation canals along the reservoir.

An existing concrete culvert bridge had to deteriorated to the point that a replacement was needed over one of the many Delta Lake irrigation canals. The District first considered replacing the existing beam bridge with reinforced concrete pipe (RCP). However, Troy Allen, the District General Manager, reached out to Contech Engineered Solutions in an attempt to find an alternative, cost-efficient and durable irrigation solution for the site. Ultimately, the District decided to use DuroMaxx® steel reinforced polyethylene (SRPE) to cross the canal.

DuroMaxx SRPE can be manufactured in custom lengths, including the desired 40’ length of pipe. This provided the structural solution needed as well as substantial savings on installed cost as no joints would be required. The longer lay length provided a great alternative which allowed the District to install a single section of 84-inch diameter DuroMaxx for a quick and relatively simple installation process.

Given the tight time constraint considering the rapid deterioration of the existing bridge, the District’s own crew installed in December of 2018. The installation took place over a three-day period. Open and cut in place took place on the first day at the site. The installation of the DuroMaxx SRPE pipe culvert was performed on the second day, and the initial and final backfill was completed on the third day.

Due to the longer lay length, familiarity with the product, ease of handling and dependable durability in a larger diameter, the Delta Lake Irrigation District was extremely satisfied with DuroMaxx SRPE as the optimal solution to replace the existing beam bridge.

Technical Description:

  • Product: DuroMaxx® SRPE
  • Diameter: 84-inch
  • Length: 40 LF

800-338-1122 | www.ContechES.com

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