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A- Grate Dimension | B-Grate Thickness | C-Clear Opening | E-Base Flange | F-Frame Height | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
---|---|---|---|---|---|---|---|
22-1/2 x 22-1/2 | 2 | 20-3/4 x 20-3/4 | 32-3/4 x 35-1/4 | 9 to 10 | V | 5.6 | |
All dimensions are listed in inches unless otherwise noted. |
Illinois DOT Type 21