Precast Concrete Stormwater Detention System

StormArc®, a next-generation precast concrete stormwater retention and detention system licensed from GoodFlow Solutions and produced by LHV Precast, delivers superior performance, efficient installation, and unmatched engineering flexibility. Its innovative modular design requires less than 10% of the gravel used in traditional systems and eliminates the need for crane setting, reducing both excavation and labor costs. StormArc® offers HS-20 rated, independently verified structural performance and supports space-saving layout options—including “L” and “T” configurations—making it ideal for complex site conditions. With increased storage capacity, durable steel-reinforced concrete construction, and cost-effective installation, StormArc® is the future of stormwater detention solutions across the Northeast.

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StormArc Benefits:

Engineering Excellence
Flexible design in a compact footprint.
Experience
Invented by a contractor with contractors in mind.
Ease of Installation
No crane required, reduced need for crushed stone.
Durability
Proven strength of precast concrete.
Outstanding Service & Technical Support

Superior Design & Flexibility

Compatable units provide more versatility and strength
Eliminates the need for complex header distribution
Precast concrete modules offer superior and reliable infrastructure benefits
Chambers are stackable to achieve various depths

HS-20 Rated

Independently verified
Modular light-weight precast system eliminates the need for special backfill
System features also allow it to accommodate various site conditions

Versatile Design Options

“L” and “T” configurations give designers and engineers various options
More versatility allows stakeholders to save land, and excavation or installation costs

More Efficient Storage Capacity

The design allows for a range of depths, allowing for added versatility and cost savings
StormArc’s more efficient storage capacity can reduce the required surface area

Easy to Install

The modular precast components do not require a crane
Multiple modules can be stacked for delivery, saving time and transportation costs

No Soil Intrusion

End slabs or caps provide a safe and secure installation process

Cost-Effective

The stone bedding required for StormArc is less than 10% of backfill stone needed with other detention systems
StormArc’s precast design versatility gives engineers and developers numerous cost-saving benefits