Practical precast catch basins solutions for stormwater runoff and flooding.

Why should you incorporate precast catch basins in your next stormwater management project?

Inlet curbs and catch basins are the most dependable and efficient solution for managing excessive stormwater runoff and flooding. They are often used along sidewalks and streets, or in open yard spaces with drainage problems.

The advantage of using precast catch basins is that installation is fairly simple. In contrast to poured in place structures, precast installation can be completed with simple machinery and a small group of professionals.

What to look for in a precast catch basin supplier.

A track record or implementing strong, erosion-resistant material that withstands freezing and thawing weather cycles.

Design capabilities that address the project’s unique filtration needs.

Portfolio of catch basin sizes and shapes to handle the amount of rainfall and debris experienced in the project location.

Catch Basin Options

This is a square catch basin with a knock out
Knock-Out

For use when you need to easily cut a custom size or shape hole for the entrance and exit pipe.

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Both knock-outs and block-outs serve a similar purpose – they allow for pipes to be connected to the catch basin structure. A knock-out is a partially recessed portion in the sides of a catch basin. Knock-outs can be square or round depending on the desired shape and size of the pipe that will be connected. The reduced thickness wall of a knock-out can be broken out during the installation process to the desired size and shape.

This is a round catch basin with a block out
Block-Out

For use when you want multiple cast-in or cored options for the entrance and exit pipe.

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Both knock-outs and block-outs serve a similar purpose – they allow for pipes to be connected to the catch basin structure. Block-outs are full penetrations through the side of the catch basin and allow for a specific size pipe to be attached. Block-outs are either cast-in during the production process or cored prior to product delivery.
This is a round catch basin inlet
Inlets

For use in applications involving paved surfaces in urban settings & along roadways or parking areas.

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Both area inlets and curb inlets are considered catch basins and serve the same purpose. They differ in the location in which they are installed and the appearance of the final product. Area inlets are typically installed in the low areas of parking areas and have slotted or perforated metal grates covering the opening in the top. Curb inlets, as the name would imply, are installed within a sloping curb and gutter system and have a precast or metal “curb shaped” inlet.

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