Stormwater System Harvests Rainwater for "Green" Development in Tampa, FL

Tampa, Florida

Highlights

Engineering

Cardno TBE

Clearwater, Florida

The Problem

Oldcastle Stormwater designed and provided the modular underground retention system for the new stormwater management system, engineered by Clearwater-based Cardno TBE to store, treat and harvest stormwater runoff on the 28-acre site. The precast concrete StormCapture retention system controls the volume and discharge rate of stormwater runoff. The engineered design maximizes storage volume while minimizing the project’s footprint and cost. Furthermore, the innovative design allowed for a quick and efficient installation.

The Design

The 18,000-square foot stormwater harvesting system includes 146 StormCapture modules that can hold up to 33,000 cubic feet of water before recycling it for irrigation use, two nutrient-separating baffle boxes with adjacent sediment chambers for pre-treatment, and irrigation equipment. All surface stormwater runoff is collected from the site, piped into the nutrient-separating baffle boxes and sediment chambers, and stored in the StormCapture modules for irrigating the open space.

The Solution

Oldcastle Stormwater also supplied precast perimeter walls for the sand filter assembly, precast ramp assembly for equipment access into the sand filter, as well as sanitary manholes and inlets. Oldcastle also supplied 120,000-square feet of Belgard pavers for intricate hardscape and permeable walkways for the main thoroughfare to reduce the heat-island effect and aid in stormwater management.

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