Square Grate Water Decontaminator® Catch Basin Filter

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Square Grate Installation

The Water Decontaminator® Catch Basin Filter - Trash Capture Unit (WD-TCU) can be installed in all types of storm drain catch basins. Here we show one being installed under a Square Grate. These can be 2-sided or 4-sided. The WD-TCU is a patented, environmental product that is placed under the catch basin grate to help remove trash, sediment, oil and contaminants from runoff. Oil and contaminants are captured in a disposable cartridge. The absorber cartridge uses recycled forest products, essentially fighting pollution with pollution. These units include the 5mm screened bypass to help remove floating debris.

Applications:

  • Urban run-off

  • Roadways

  • Parking lots

  • Industrial sites

  • Manufacturing

  • Maintenance areas

Helps clean parking lot run-off, catch basins, ponds, sumps and spills. Cleans storm run-off by screening sediment, debris and other solids into a sediment trap. Oils and chemicals are absorbed in a disposable cartridge

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The Water Decontaminator is engineered and patented for the treatment of stormwater run off. We design our filters to meet or exceed stormwater best management practices (BMP’s) and best available technology (BAT). These units are certified and included in the Capture System List of Trash Treatment Control Devices by the California State Water Resources Control Board.

Square Grate Water Decontaminator TCU
Flow Diagram
Cutaway View
Close Up of Device
Left View
Right View
Top View

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Installation guide for a water decontaminator catch basin storm water filter, including diagrams with measurements for grate and catch basin dimensions, and contact information for Inventive Resources, Inc.
Download 2 Sided sizing guide
Installation guide for a water decontaminator catch basin storm water filter, including diagrams with measurements for grate and catch basin dimensions, and contact information for Inventive Resources, Inc.
Download 4 Sided sizing guide

The WD-TCU can be built to fit any size catch basin. Please completely fill out the appropriate sizing guide for ordering. Please including pictures of the catch basin, any obstructions, and the grate.

A wireframe diagram of a rectangular storm drain grate with labeled dimensions for length, width, and depth, with arrows indicating measurements in inches.
A wireframe diagram of a rectangular storm drain grate with acatch basin and a protruding component on the side, labeled with dimensions D and A.
A wireframe diagram of a rectangular storm drain grate, labeled with dimensions GR-L and GR-W.

Important Measurements

To insure a proper fit, all the items on the form should be filled in.

OD-L: Outside length of lip

OD-W: Outside width of lip

ID-W: Inside width of opening. This is the smallest clear hole inside the catch basin. Take into account any rough concrete or restrictions.

ID-L: Inside length of opening. This is the smallest clear hole inside the catch basin. Take into account any rough concrete or restrictions.

GR-L: Grate Length

GR-W: Grate Width

D: Depth of catch basin. Measure depth from the grate to the top of the liquid level. (Rectangular only)

Also note if there are any other issues that may need to be considered for fitment. For example access ladders, piping, and surface restrictions, such as abrupt grade variations.