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10'x8' CHANNELINE
4, 65’ runs of ~10’x8’ concrete box culverts
details
Throughout 2023, Tezak Heavy Equipment (now a part of Holcim US), has worked on the CDOT Region 2 Bridge Bundle project. Part of this project included lining 4, 65’ runs of ~10’x8’ concrete box culverts
problem
For this box culvert, round and ovaled liner options would've compromised the hydraulics. The host pipe was already undersized. Digging and replacing this box culvert would've caused traffic nightmares as US-24 provides the quickest route from Colorado Springs to Buena Vista, Leadville, and the other central Colorado mountain towns.
Thousands of cars pass over this culvert on a daily basis. Considering the condition of the pipe, the hydraulic requirements, and the traffic needs, something needed to be done.", change the Solution section to the following "The best solution was to rehabilitate these 10'x8' box culverts with Channeline.
Channeline was customized to a ~9.5'x7.5' OD with beveled sections at the inlet to improve the flow capacity. The bell & spigot joints ensured a smooth install with 65' sections being lined in under 3 hours despite liner being staged several miles off site. For the entire installation, traffic proceeded as usual.
solution
We decided the best solution was to reline the 4, 65’ runs of ~10’x8’ concrete box culvert with Channeline. We replaced the compromised pipe without disturbing everyday traffic. Connecting the lay lengths was an extremely smooth process. By the time Tezak was working on the third culvert, they were able to line the entire culvert in under 3 hours despite the pipe being staged several miles off-site and brought over one piece at a time.
