33 40 00 Storm Drainage Utilities

Category Archives: 33 40 00 Storm Drainage Utilities

Controlling Stormwater at the Source: Exploring best management practices

Photo courtesy Katie McKain

The U.S. Environmental Protection Agency (EPA) estimates stormwater runoff is responsible for 70 percent of all water pollution in lakes, rivers, and creeks. When developers use conventional methods such as impervious surfaces, stormwater is often left uncontrolled. The emergence of low-impact development (LID) and effective stormwater Best Management Practices (BMPs) are changing designers’ perceptions of stormwater from a constraint into an opportunity for natural processes to return.

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Xypex: Concrete Waterproofing with Crystalline Technology

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Crystalline waterproofing improves concrete durability, lowers maintenance costs, and extends building lifecycles From building foundations, elevator pits, floor slabs, and exterior precast panels to water treatment facilities and underground urban infrastructure, concrete is the most commonly used construction material.

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