Donut Risers (24-in ID)
Donut Risers are thick wall risers for traffic rated areas. Precast concrete structures under pavement are designed short of final grade to enable field adjustments. Donut Risers are installed underneath the cast iron frames in place of brick.
They are available in the following heights:
- 3" Donut (#257203)
- 4" Donut (#257204)
- 6" Donut (#257206)
- 8" Donut (#257208
- 10" Donut (#257210)
- 12" Donut (#257212)
30" (ID, Interior diameter) Donut Risers are available, if specified.
Data sheet
- Interior Dimensions
- 24" Diameter
- Exterior Dimensions
- 40" Diameter
Specific References
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