R-3492-1
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| Description | A- Grate Dimension | AA-Top Frame Dimension | B-Grate Thickness | C-Clear Opening | E-Bottom Frame Dimension | F-Frame Height | G-Slot Width | H-Slot Length | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet | Lid/Grate Material |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Airport Manhole Frame, Gray Iron Grate | 27 | 33-1/2 | 2-1/2 | 24 | 36 | 9 | 1-1/2 | 1 | G | 1.6 | 7.1 | Gray Iron |
| All dimensions are listed in inches unless otherwise noted. | ||||||||||||
- For slab and built-up manhole construction
- Top and bottom Flange provide complete anchorage so frame becomes an integral part of the slab. Can be gasket sealed for watertight application if specified.
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