Dredgers

HS v2022 Code: 890510

About dredgers

HS code 890510 covers dredgers, which are specialized waterborne vessels used to excavate and remove sediment, debris, and other materials from the bottom of bodies of water. Dredgers play a crucial role in maintaining navigable waterways, harbor depths, and coastal environments. They are essential for infrastructure development, land reclamation, and environmental management, making them an important part of the broader maritime and construction industries.

Production process

Dredgers are typically constructed using steel or other durable materials. The main production techniques involve welding, fabrication, and the installation of specialized equipment such as suction pumps, conveyor belts, and hydraulic systems. Dredgers can be equipped with various types of dredging mechanisms, including bucket-wheel, cutter-suction, and trailing suction hopper dredgers, depending on the specific application and site conditions.

Production inputs

The production of dredgers requires a range of inputs, including steel plates, engines, pumps, hydraulic systems, and electronic control systems. Manufacturers also rely on specialized engineering expertise and skilled labor to design, fabricate, and assemble these complex vessels. Additionally, the construction of dredgers often involves the use of heavy machinery, such as cranes and welding equipment.

Production outputs

Dredgers produce a range of outputs, including the excavated sediment and debris, which can be used for land reclamation, beach nourishment, or disposed of in designated areas. The dredgers themselves are the primary output, which are then sold or leased to port authorities, coastal management agencies, and construction companies for use in various projects. The output of dredgers may also be consumed by other industries, such as 890510 Dredgers and 890520 Floating or submersible drilling or production platforms.

Revisions to 890510

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 890510. The most recent 1 version of this code (890510) is in the HS v2022 system (this version):

This page shows the most recent version of code 890510.

Older versions

Family tree for dredgers

    graph LR
    A["<a href='/classifications/hs/v2022/89'>89: Ships, boats and floating structures</a>"]
A --> B["<a href='/classifications/hs/v2022/8905'>8905: Light-vessels, fire-floats, dredgers, floating cranes, other vessels; the navigability of which is subsidiary to main function; floating docks, floating, submersible drilling, production platforms</a>"]
B --> C["<a href='/classifications/hs/v2022/890510'>890510: Dredgers</a>"]

    B --> D["<a href='/classifications/hs/v2022/890520'>890520: Floating or submersible drilling or production platforms</a>"]
B --> E["<a href='/classifications/hs/v2022/890590'>890590: Vessels; light, fire-floats, floating cranes and other vessels, the navigability of which is subsidiary to their main function, floating docks</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight