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The Contech Design Center enables engineers to accelerate the design process for bridge and stormwater projects, generating project-specific drawings, engineering calculations, and CAD files while collaborating with Contech engineers. This helps reduce design time, ensures regulatory compliance, and improves constructability. |
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America’s Wastewater Infrastructure is currently rated at a D+, according to the 2025 ASCE Report Card for America’s Infrastructure. The Wastewater category includes both piping for the collection systems and the wastewater treatment plants the piping leads to. The collection system alone experiences 3.3 failures per 100 miles of pipe every year, putting pressure on maintenance teams to identify suspect pipes for either complete replacement or pipeline rehabilitation. This article will focus on the design and construction considerations necessary when a pipeline owner determines they will be rehabilitating an existing pipe.
Unlike circular pipes, arch-shaped culverts present a unique challenge when it comes to structural rehabilitation. Their non-round geometry and sometimes integrated parapet walls mean that standard sliplining methods don't always apply. However, just because a culvert isn’t round doesn't mean it can’t be effectively relined.
Stormwater runoff doesn’t just result in pollution and flooding; it can silently overheat rivers and streams, threatening fish and water quality. Learn how underground detention systems offer a hidden but powerful solution to this overlooked environmental challenge.
Infiltration systems are a cornerstone of modern stormwater management—but are we designing them to last? As their use expands, especially underground, new research raises concerns about sediment buildup, maintenance challenges, and long-term performance. This article takes a closer look at whether our current practices are protecting infiltration capacity—or quietly eroding it.
