R-3281-A
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| A-Grate Dimension | B-Grate Thickness | E-Flange Dimension | F-Curbside Height | G-Roadside Height | Curb Box Length | Curb Box Width | Grate Type | Sq Ft Open | Weir Perimeter Lineal Feet |
|---|---|---|---|---|---|---|---|---|---|
| 11-5/8 x 28-3/4 | 1-3/4 | 22-3/4 x 22-3/4 | 6 | ||||||
| All dimensions are listed in inches unless otherwise noted. | |||||||||
Illinois DOT Type 11
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