Silt Traps and Catch Pits

We offer an extensive range of Silt Traps and Catchpits for surface & storm water drainage.

Silt traps or catch pits are typically used upstream of soakaway and attenuation systems to filter solids and prevent them from entering down-stream drainage and storm water storage systems. Silt traps typically include a filtration bucket to separate solids and finer particles, whereas catch pits include a sump to contain the solids.

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  • Is a catch pit the same as a silt trap?
    No, a catch pit and a silt trap are not the same thing. A catch pit is a chamber that collects surface water runoff and debris, while a silt trap is designed to capture sediment and other pollutants from stormwater runoff. Both are important components of stormwater management systems, but they serve different purposes.
  • What is the purpose of a silt trap?
    A silt trap, also known as a sediment trap or sediment basin, is a device used to capture and filter out sediment and other pollutants from stormwater runoff before it enters nearby waterways. The purpose of a silt trap is to prevent erosion, protect water quality, and comply with environmental regulations.
  • What is a catch pit?
    A catch pit, also known as a catch basin or storm drain, is a structure designed to collect and manage excess water runoff from rain or other sources. It typically consists of a basin or pit with a grate or cover to prevent debris from entering, and a pipe or channel to direct the collected water to a drainage system or other designated area. Catch pits are commonly used in urban and suburban areas to prevent flooding and water damage.
  • What is the difference between gully pit and catch pit?
    Gully pits and catch pits are both drainage structures used to collect and divert water. However, a gully pit is typically used to collect water from a road or pavement, while a catch pit is used to collect water from a larger area such as a parking lot or field. Gully pits are usually smaller and have a grate or grid on top to prevent debris from entering, while catch pits are larger and may have a sump or sediment trap to collect sediment and debris.
  • How deep does a soakaway pit need to be?
    The depth of a soakaway pit depends on various factors such as soil type, rainfall intensity, and the size of the area draining into it. However, a general rule of thumb is that the pit should be at least 1.2 meters deep to ensure proper drainage and avoid groundwater contamination. It is recommended to consult with a professional to determine the appropriate depth for your specific situation.