MAD STANDARD CATCH BASINS
Stock Id Size Description Weight (LBS) NC-DOT Downloads SC-DOT Downloads
222CB 2' x 2' x 2' KNOCK-OUT PANEL 1775 PDF  
223CB 2' x 2' x 3' KNOCK-OUT PANEL 2238 PDF  
232.5CB 2' x 3' x 2.5' KNOCK-OUT PANEL 2294 NC-DOT 840.45  
233CB 2' x 3' x 3'
KNOCK-OUT PANEL
 2519 NC-DOT 840.45  
233.5CB 2' x 3' x 3.5' KNOCK-OUT PANEL 2882 NC-DOT 840.45  
234CB 2' x 3' x 4' KNOCK-OUT PANEL 3127 NC-DOT 840.45  
2382.5CB 2' x 3'-8" x 2.5' KNOCK-OUT PANEL 2486 NC-DOT 840.45  
2383CB
2' x 3'-8" x 3'
 KNOCK-OUT PANEL 2707 NC-DOT 840.45  
2383.5CB 2' x 3'-8" x 3.5' KNOCK-OUT PANEL 3082 NC-DOT 840.45  
2384CB 2' x 3'-8" x 4' KNOCK-OUT PANEL 3324 NC-DOT 840.45  
2732CB 27" x 3' x 2' KNOCK-OUT PANEL 2221 NC-DOT 840.45  
2732.5CB
27" x 3' x 2.5'
 KNOCK-OUT PANEL 2466 NC-DOT 840.45  
2733CB 27" x 3' x 3' KNOCK-OUT PANEL 2710 NC-DOT 840.45  
2733.5CB 27" x 3' x 3.5' KNOCK-OUT PANEL 3099 NC-DOT 840.45  
2734CB 27" x 3' x 4' KNOCK-OUT PANEL 3365 NC-DOT 840.45  
333CB 3' x 3' x 3' KNOCK-OUT PANEL 3285 NC-DOT 840.45  
333.5CB 3' x 3' x 3.5' KNOCK-OUT PANEL 3751 NC-DOT 840.45  
334CB 3' x 3' x 4' KNOCK-OUT PANEL 4078 NC-DOT 840.45  
343CB 3' x 4' x 4' KNOCK-OUT PANEL 3639 NC-DOT 840.45  
344CB 3' x 4' x 4' KNOCK-OUT PANEL 4466 NC-DOT 840.45  
344.5CB 3' x 4' x 4.5' KNOCK-OUT PANEL 4770 NC-DOT 840.45  
443.5CB 4' x 4' x 3.5' KNOCK-OUT PANEL 5063 NC-DOT 840.45  
444.5CB 4' x 4' x 4.5' KNOCK-OUT PANEL 5876 NC-DOT 840.45  
455.5CB 4' x 5' x 5.5' KNOCK-OUT PANEL 7121 NC-DOT 840.45  
555.5CB 5' x 5' x 5.5' KNOCK-OUT PANEL 8465    
Sizes above are inside measurements (LxWxH). All standard catch basins are designed for H20 traffic loading based on proper installation. They are produced in accordance with NCDOT and SCDOT current standard drawing requirements. There are various lifting methods for this style structure, so please contact your area sales representative or see LIFTING METHODS, located on our website, for more information.

All sizes can be produced as solid wall structures as well, see SOLID WALL CATCH BASINS on our website for more information.

Factory cored round holes for inlet and outlet culverts are a time saving valued added service available from MAD. Holes are set and cored for alignment with proposed project elevations by our staff or cored to your requirements. Round openings can be field expanded for skewed culvert entry. Holes from 2" to 60" diameter are available. Check with your area sales representative for available sizes. Custom factory cast openings of any shape or size are available to meet special project requirements.