Find HS Code and trade information for sewage cover plate

Sewage Cover Plate

A sewage cover plate, also known as a manhole cover, is a removable lid used to protect and provide access to underground infrastructure, primarily sewage systems, but also for other utilities like stormwater drains, telecommunications, and electricity.

Material

Historically, manhole covers were cast from gray cast iron due to its strength and durability. Modern materials include:

• Cast Iron: Remains a common choice, offering high load-bearing capacity and corrosion resistance, especially with coatings.
• Ductile Iron: A stronger and more fracture-resistant form of cast iron, allowing for lighter weight covers with equivalent strength.
• Fiberglass Reinforced Polymer (FRP) Composites: Lightweight, non-metallic, corrosion-resistant, and electrically non-conductive. Increasingly used, particularly where theft is a concern.
• Steel: Used in heavy-duty applications, often with protective coatings to prevent corrosion.
• Concrete: Less common for direct access covers, but used for larger, heavier access structures.

Purpose

• Safety: Prevents accidental falls into open excavations.
• Security: Restricts unauthorized access to underground systems.
• Containment: Prevents debris and surface water from entering the system.
• Load Bearing: Designed to withstand significant loads from vehicular traffic and pedestrian movement.
• Access: Provides a safe and convenient point of entry for maintenance and inspection.

Function

Manhole covers typically feature:

• Watertight Seal: A design that creates a seal with the manhole frame to prevent water ingress.
• Lifting Features: Handles, keyholes, or other mechanisms for safe lifting and removal.
• Load Distribution: A shape and construction that distributes weight evenly to prevent cracking or deformation.
• Anti-Theft Mechanisms: Locking mechanisms or designs that make theft more difficult.
• Standardized Dimensions: Generally adhere to industry standards to ensure compatibility with manhole frames.

Usage Scenarios

• Wastewater Treatment Plants: Access to sewer lines and pumping stations.
• Municipal Roads and Highways: Access to storm drains and combined sewer systems.
• Residential Areas: Access to sewer laterals and utility boxes.
• Industrial Facilities: Access to process drains and underground piping.
• Telecommunications Networks: Access to underground cable and fiber optic lines.
• Electrical Utilities: Access to underground vaults and junction boxes.

Common Types

• Round Manhole Covers: The most common type, offering inherent strength and preventing covers from falling back into the opening.
• Rectangular Manhole Covers: Used where access needs to accommodate larger equipment or for specific frame designs.
• Square Manhole Covers: Less common due to potential for rotation and falling into the opening.
• Composite Manhole Covers: Lightweight and corrosion-resistant, often used in areas prone to theft or harsh environmental conditions.
• Self-Locking Manhole Covers: Features a locking mechanism to prevent unauthorized removal.
• Watertight Manhole Covers: Designed with enhanced sealing features to prevent water ingress.

The declared goods, sewage cover plate, fall under the category of articles of plastics or other materials used for drainage systems. Based on the provided information, the following HS codes are relevant:

• 3926909940: This HS code covers “Other articles of plastics and articles of other materials of headings 3901 to 3914: Other: Other Covers, rings and frames for manholes; catch basins; drainage gates and frames thereof; cleanout covers and frames thereof; valve, service and meter boxes”.

  • 39: Chapter 39 relates to plastics and articles thereof.
  • 26: Heading 3926 specifically covers other articles of plastics.
  • 90: Subheading 392690 covers other articles.
  • 99: Further specifies “Other Covers, rings and frames for manholes; catch basins; drainage gates and frames thereof; cleanout covers and frames thereof; valve, service and meter boxes”. This directly includes sewage cover plates used in drainage systems. The total tax rate is 42.8%.

• 3926901000: This HS code covers “Other articles of plastics and articles of other materials of headings 3901 to 3914: Other: Buckets and pails”. While primarily for buckets and pails, it falls under the same broader category of plastic articles.

  • 39: Chapter 39 relates to plastics and articles thereof.
  • 26: Heading 3926 specifically covers other articles of plastics.
  • 90: Subheading 392690 covers other articles.
  • 10: Further specifies “Buckets and pails”. The total tax rate is 40.9%.

It is important to note that the most accurate classification depends on the specific material composition and intended use of the sewage cover plate. If the cover plate is made of iron or steel, HS code 7324900000 may be applicable.

• 7324900000: This HS code covers “Sanitary ware and parts thereof, of iron or steel: Other, including parts”.
  • 73: Chapter 73 relates to iron or steel articles.
  • 24: Heading 7324 specifically covers sanitary ware and parts thereof.
  • 90: Subheading 732490 covers other sanitary ware and parts. The total tax rate is 80.0%.