Standard cast iron 24″ TXDOT manhole cover specification. Stock item. Sold as a set or as individual ring & cover or grate. Raise to grade with a 400-24® 3X riser ring, or a steel riser. Standard size 400-24® steel risers are stock items. Steel risers may be ordered with optional set screws. May be used with a 400-24® grate. H-20 traffic rated when ring is properly installed in reinforced concrete and used with a traffic rated cover or grate. Storm Sewer pictured, but may be used with any standard 400-24® cover. Special lettering and LOGOs may be available on special orders. See individual items for specific ASTM information. Made In USA. LEED® certifications available on request. Please use the Contact Form or call us to request info & submittal sheets.
1-800-258-2278 Toll Free or (972) 263-1360 DFW Local.
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