Heavy Duty Manhole Frame
Reinforced plastic frame for high-traffic manhole covers, with anchor points and H-20 load rating. HTS 3926.90.99.40 for manhole frames of plastic. Composite polymer for strength.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If rectangular non-circular frames
Non-standard shapes may classify as rigid plastic combos.
If steel-reinforced heavy duty
Predominantly metal frames under Chapter 73.
If large-diameter non-frame risers
Extended plastic tubes as reservoirs/tanks.
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Import Tips & Compliance
• Include DOT/AASHTO test reports for H-20+ ratings
• Specify non-conductive properties for electrical safety
• Custom sizes require engineering drawings for CBP review
Related Products under HTS 3926.90.99.40
Plastic Manhole Cover
A heavy-duty circular cover made of high-density polyethylene (HDPE) designed to securely fit over underground manholes, preventing unauthorized access and debris entry. Classified under HTS 3926.90.99.40 as it is a plastic cover specifically for manholes, part of other plastic articles not elsewhere specified. Meets load-bearing standards for street and utility applications.
HDPE Catch Basin Frame
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Plastic Cleanout Cover
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Utility Meter Box
A rectangular high-impact polystyrene box enclosing water or electric meters in residential settings, with lockable lids and mounting flanges. Falls under HTS 3926.90.99.40 as meter boxes of plastic for service protection. UV-stabilized for outdoor exposure.
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Polymer Concrete Manhole Ring
A composite ring blending >95% polymer resin with aggregates for manhole adjustment, lighter than pure concrete. HTS 3926.90.99.40 includes rings for manholes if plastic-predominant per subheading notes. Provides grade adjustment in utility vaults.