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A-Grate Dimensions B-Grate Thickness C-Clear Opening E-Base Flange F-Frame Height Grate Type Square Feet Open Weir Perimeter Lineal Feet
17-1/4 x 28-3/4 1-1/8 27 29 x 36 10 to 15-5/8 C 2.0 4.1
All dimensions are listed in inches unless otherwise noted.

Illinois DOT Type 12

Heavy Duty

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