Infiltration chambers

Overview

As their name suggests infiltration galleries work exclusively to infiltrate stormwater. They are an underground facility and are often used beneath parking lots or playing fields to treat flow routed from other areas.

Infiltration galleries are an ideal technology for:

• Installing below any type of surface or landscape
• Receiving and infiltrating large volumes of water

The fundamental components of an infiltration gallery are:

• Storage layer of coarse aggregate
• Structurally reinforced chambers

Additional components may include:

• Underdrain to redistribute or remove excess water

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  Schematic diagram of an underground infiltration gallery

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Surface runoff from at-grade surfaces, resulting from rain or snowmelt events.