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Detention / Retention Systems

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When heavy rainfall overwhelms a stormwater system, precast concrete underground stormwater systems are used to hold the water for delayed release (detention) or for beneficial reuse (retention). New development and redevelopment projects often require on-site detention or retention of stormwater runoff to meet rigorous local and state requirements. Owners prefer to minimize the footprint of detention systems making underground detention/retention the preferred choice to combat rising land costs. Precast concrete offers high volume to footprint ratios, ease of design, installation, structural strength and durability.

The rain will come. And occassionally it will be a deluge. Your task is to contain it so it can be treated and released at an acceptable rate - through an underground stormwater system. With all things considered, only one product stands out as a clear choice: precast concrete.

In developed areas, underground stormwater systems are sized to channel runoff from heavy rain to nearby bodies of water. The material that makes up the components of these systems must withstand not only the volumes of water flowing inside them, but extreme loading conditions on the outside as well. And in both cases, they must stand up to corrosive elements. Precast concrete steps up to these challenges.

Precast stormwater treatment systems consist of manholes, catch basins and pipes. These vital infrastructure components are manufactured by precast concrete plants every day and are readily available throughout North America.

Why Precast Concrete?

  • 100 years proven service life
  • Design loads of your choosing such as traffic rated, non traffic rated or project specific load designs
  • Stronger over time
  • Certified plants cast the concrete in controlled environments
  • Easy and fast installation
  • Minimum footprint which saves excavation and backfill costs
  • Flexibility with using onsite backfill material
Grounded In Strength