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Hydro-Lock

Watertight

Box Culvert

Enhanced Box Culvert System

The Hydro-Lock system is a precast box culvert style system primarily used for underground detention or sand filter structures. Each section comes with a continuous o-ring gasket that provides a seal that is water-tight up to 30' of head pressure (per ASTM C443). Sections come to the jobsite with the gasket already attached to the joint.

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Modular Design

Hydro-Lock modules can be used in single, double, or multiple runs to fit within site constraints.

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Hydro-Lock modules are readily adapted for underground sand filter BMPs.

Sand Filter Capable

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Internal Baffle Walls

Internal baffle walls are installed to separate internal chambers. the baffle walls can be customized to include control orifices and bypass weirs.

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Multiple Sizes

The Hydro-Lock system comes in multiple sizes. See the attached chart for a list of available sizes.

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