StormVault

Combined Volume Control and Treatment Technology

StormVault™ is engineered to capture up to 85% of all stormwater runoff, then slowly release it to receiving waters. Built with durable precast concrete, this Jensen Precast solution is specifically designed to catch small particles and minimize resuspension. By treating runoff containing the highest percentage of pollutants, such as during the first flush of large storm events, and by providing peak flow attenuation to reduce downstream erosion, StormVault™ significantly reduces post-development runoff flow rates, stream channel degradation, and destruction of aquatic habitats. On average it provides an effluent discharge total suspended solids concentration of less than 20 mg/L with a 95% level of confidence.

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How It Works

StormVault is unique from other products in the market in many ways, the most notable being that it is designed to mitigate downstream erosion and watershed degradation through detaining and slowly releasing the flow from each storm event, offering both volume control and treatment in a single structure.

In a suitable sized and installed StormVault, where the detention time is optimized to promote sedimentation of particles less than 70 microns, the StormVault system will collect and hold floatable debris, bed load particulate material, oil and grease, low solubility and other insoluble petroleum hydrocarbons, settleable sediments, and pollutants including metals, nitrogen and phosphorus nutrients, and organic compounds that may absorb or adhere to the surface of solids in stormwater runoff.

1. Diverted stormwater runoff flows through an inlet pipe into the StormVault™ structure.
2. The captured runoff flows through a sediment baffle, energy baffle, and trapezoidal exit baffle.
3. The treated runoff is released into the ground with minimized resuspension and peak flow attenuation.

Applications

Volume Control

  • Detention
  • Flow attenuation
  • Erosion reduction

Water Quality

  • High pollutant removal requirements
  • Trash and debris removal
  • TSS removal
  • Sediment removal
  • Oil, grease, and other TPH removal
  • Metals removal
  • Nutrient removal

Project Type

  • Commercial
  • Industrial
  • Residential
  • Parking lots
  • Mixed-use

 

 

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Design

  • Receive typical and site specific plan and profile drawings for all Jensen Stormwater System Units with engineer’s value estimates.
  • Leverage our readily available tools to support storage and runoff calculations, size our systems, and satisfy stormwater management goals.

Bid

  • Create competitive bids with quantified, specific information and pricing.
  • Get installation weights and guidance to support estimation of your installation effort.
  • No hidden installation requirements or costs.

Build

  • Complete your projects on time with well constructable plans inherent into all Jensen Precast products for installations that are quick and easy.
  • Secure, safe delivery and timely setting of your stormwater management systems with our expert drivers and delivery personnel.
  • Gain peace of mind with our easy to maintain systems that require minimal upkeep and safe access post install.