Stormwater Solutions

Concrete Detention
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CON/STORM Innovative Arch Storage Solution

CON/STORM™ is a below-grade, modular concrete system engineered for structurally efficient stormwater detention. The lightweight, modular units store stormwater runoff under roadways and parking lots with minimal cover. These precast concrete structures provide a new, cost-effective solution for underground detention, retention, and recharge.

 CON/STORM
CON/STORM Benefits
  • Structurally efficient concrete arch provides the most storage per ton of concrete
  • Lightweight units and nesting allows for the most storage per truckload
  • Can be configured on strip foundations to allow for recharge
  • Thinner concrete section results in efficient shipping and handling of units
  • Wide range of span and rise combinations with multiple foundation choices provide design flexibility
  • Systems install quickly and easily without the use of heavy construction equipment
  • Full-scale testing verified design for AASHTO loading
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