In the dynamic and rapidly evolving landscape of China’s maritime and construction industries, crane barges stand out as indispensable tools, driving efficiency and innovation in a wide range of critical operations. These versatile vessels, equipped with powerful cranes, are the backbone of various sectors, from port and harbor management to offshore construction, bridge building, and environmental cleanup.

This in-depth guide delves into the world of crane barges in China, exploring their applications, technological advancements, and the key players that dominate this market. Readers will gain insights into the design and construction of these specialized vessels, including the sophisticated shipyards such as Damen Yichang Shipyard and Guangzhou Hangtong Shipbuilding, which are pushing the boundaries of what is possible in marine engineering.

You will learn about the cost-effective and environmentally friendly advantages of using crane barges, their stability and mobility in challenging marine environments, and their crucial role in salvage operations, dredging projects, and disaster relief efforts. Additionally, this guide will address the

Complete Floating Crane Barges Cranes High Working …

Guide to Floating Cranes and Crane Barges

What is a Floating Crane?

A floating crane, also known as a crane barge or crane vessel, is a specialized ship or barge equipped with a crane designed to lift heavy loads, typically exceeding 1,500 tons, in marine environments. These cranes are essential for marine construction projects, such as building ports, bridges, and offshore installations.

Types of Floating Cranes

Typical Crane Vessels

• These are the traditional types of crane vessels that have been in use since the 14th century.
• They can be self-propelled and are capable of lifting and transporting loads up to 2,500 tons.
• These cranes are versatile and can be used for a variety of marine construction tasks[3][5].

Semi-Submersible Crane Barges

• These cranes provide enhanced stability by partially submerging into the water, which helps in maintaining the balance of the load.
• They can handle loads up to 15,000 tons and are particularly useful in deep or rough waters where other types of cranes may not be effective[3][4].

Sheerlegs

• These are stationary cranes that do not rotate and are used for lifting loads ranging from 50 to 8,000 tons.
• Sheerlegs adjust their positions to maintain equilibrium after lifting a load, making them suitable for specific marine construction tasks[3][5].

Crane Deck Barges

• These barges can be equipped with crawler cranes or other types of cranes.
• They are an economical alternative for many marine construction projects and can be customized based on the barge dimensions and the embarked crane[3].

Applications of Floating Cranes

Marine Construction

• Floating cranes are indispensable for marine construction projects, allowing the movement and lifting of heavy materials over water.
• They are used in building ports, bridges, and other structures over waterways[1][3].

Piling

• Floating crane barges are used to drive interlocking metal sheets into canal and river banks to protect the banks and ensure better land retention.
• This process often requires installation from the water, making floating cranes crucial[1].

Moving Materials

• Crane barges transport large amounts of materials to and from worksites, including heavy machinery like diggers and trucks.
• They also handle demolition site materials and other heavy cargo[1].

Dredging

• Floating cranes are ideal for dredging waterways, clearing sediment and debris from the bottom of the water.
• They can then carry away the debris to a deposit site[1].

Operational Considerations

Stability and Flotation

• Stability is a critical factor for crane barges, especially during lifting operations in the sea.
• The hull must maintain stable equilibrium in both transverse and longitudinal directions to ensure safe operation[5].

Structural Integrity

• The hull structure of the barge is designed to withstand the loads imposed by the crane and the weight lifted.
• The deck plating is reinforced to absorb and transmit these loads effectively[5].

Mobility and Versatility

• Floating cranes can operate independently of land-based handling facilities, allowing them to move from one site to another on water.
• They can be used in various water conditions, including rivers, waterways, and the open sea, and can handle a wide range of cargo types such as bulk materials, containers, and general cargo[2].

Types of Cranes on Barges

Stiff Boom Cranes

• These cranes are suitable for moving general cargo and fragile items with minimal drift.
• They are ideal for lifting items over walls and have protected hoses and cylinders[1].

Telescopic Boom Cranes

• These cranes can extend and retract, allowing precise placement of items.
• They also minimize drift during lifting operations[1].

Knuckle Boom Cranes

• These cranes are easier to maintain due to fewer joints but are not designed for lifting heavy loads over extended periods.
• They are commonly used for loading and unloading materials on vessels with large decks or fixed platforms[1].

Foldable Telescopic Boom Cranes

• These cranes can fold into a compact size and have two booms attached to knuckles for movement.
• They are versatile and can be used in various marine construction scenarios[1].

Benefits of Floating Cranes

Flexibility and Mobility

• Floating cranes can operate in areas where land-based cranes are not feasible, providing flexibility in marine construction projects.
• They can be used mid-stream and alongside floating docks, compensating for water level fluctuations[2].

Cost Efficiency

• Using floating cranes can avoid the high investment costs associated with modifying land-based infrastructure, such as deep-draught berths and quay walls.
• They can supplement existing cargo-handling equipment during peak times, enhancing overall efficiency[2].

Versatility in Cargo Handling

• Floating cranes can handle a wide range of cargo, including bulk materials, containers, and general cargo.
• They are capable of ship-to-ship and ship-to-shore cargo handling, making them versatile in various marine environments[2].

By understanding the different types, applications, and operational considerations of floating cranes, users can better select and utilize these critical tools for their marine construction projects.

Barge Crane Manufacturer in China – OUCO

Since the provided websites do not include the specific content from the URL https://ouco-industry.com/barge-crane/, I will create a comprehensive guide based on the general information available from the other sources.

Guide to Barge Cranes

Introduction

Barge cranes are specialized vessels equipped with cranes or cranage systems, designed for various lifting, loading, and unloading operations in marine environments. These cranes offer flexibility and efficiency in handling cargo in different water conditions.

Types of Barge Cranes

Crane Barges

Crane barges are dedicated vessels with one or more cranes installed on their decks. They are used exclusively for heavy-duty lifting operations and are not utilized for other cargo purposes. These barges can be self-propelled or towed and are capable of operating in various water conditions, including the high seas[4].

Derrick Barges

Derrick barges are a type of crane barge equipped with derrick cranes, which have a higher lifting capacity. Smaller derrick barges can lift loads ranging from 50 to 500 tonnes, while larger ones can handle loads exceeding 1000 to 1500 tonnes. Modern derrick barges can have total lifting capacities of over 10,000 tonnes when equipped with multiple cranes[4].

Sheerleg Crane Barges

Sheerleg crane barges are used for lifting very high loads, primarily in offshore construction and installations. These barges often have a twin-hull configuration, with the lifting device or crane positioned symmetrically between the hulls. They are designed to maintain equilibrium during lifting operations and can counter various sea states[4].

Applications of Barge Cranes

Ship-to-Ship and Ship-to-Shore Cargo Handling

Barge cranes are used for both ship-to-ship and ship-to-shore cargo handling. They are particularly useful in areas where quay infrastructure is limited or the water is too shallow for larger vessels. These cranes can handle bulk materials, containers, and general cargo, providing a flexible solution for cargo transfer[1].

Offshore Construction and Repair

Barge cranes are essential in offshore construction and repair work. They can operate in the open sea and are used for lifting heavy loads, installing structures, and performing maintenance tasks on offshore platforms and other marine infrastructure[4].

Inland Waterways

In inland waterways, barge cranes are used for handling bulk cargo from large ocean-going vessels to inland waterway vessels or barges. They can operate in rivers, canals, and other smaller bodies of water, providing a cost-effective and efficient way to transport cargo[1].

Advantages of Barge Cranes

Mobility and Flexibility

Barge cranes are highly mobile and can be easily relocated from one site to another on water. This mobility allows them to be used in various locations without the need for extensive land-based infrastructure[1].

Cost-Effectiveness

Using barge cranes can avoid the high investment costs associated with building deep-draught berths and expensive quay walls. They can also supplement existing land-based cargo-handling equipment during peak times, helping to manage increased freight volumes and cost pressures[1].

Versatility

Barge cranes can handle a wide range of cargo, including bulk materials like coal, ore, and crops, as well as containers and general cargo. They are also used for specific tasks such as steel product handling and mid-stream transhipment on inland waterways[1].

Design and Construction

Hull Structure

The hull of a crane barge is designed to withstand the structural loads imposed by the crane and the weight of the lifted cargo. The deck plating is made thick and reinforced for additional strength, ensuring that the barge can support the crane’s operations safely[4].

Crane Installation

Crane barges have specialized crane mats on the deck to provide traction and distribute the concentrated load of the crane. Additional bulkheads, internal trusses, or deck frames are used to strengthen the area under the crane[5].

Operational Considerations

Stability and Safety

Ensuring the stability and safety of the barge during crane operations is crucial. The barge must be able to counter various sea states and maintain equilibrium when lifting heavy loads. Regular maintenance and adherence to safety protocols are essential for safe operations[4].

Environmental Considerations

Barge cranes operating in environmentally sensitive areas, such as oil and gas drilling sites, must comply with strict regulations. For example, shale barges used in these areas are subject to U.S. Coast Guard regulations to ensure environmental compliance[5].

Conclusion

Barge cranes are versatile and essential tools in the marine industry, offering a range of benefits including mobility, flexibility, and cost-effectiveness. Their ability to handle various types of cargo and operate in different water conditions makes them a valuable asset for both offshore and inland waterway operations. Understanding the types, applications, and design considerations of barge cranes is crucial for optimizing their use in different marine environments.

China Transshipment Barge Crane Manufacturers, Suppliers

Given that the specific website you mentioned is not accessible in the search results, I will create a comprehensive guide based on the information available from similar sources on marine cranes, particularly focusing on barge and floating cranes.

Guide to Marine Cranes: Barge and Floating Cranes

Introduction

Marine cranes, including barge and floating cranes, are essential components in the maritime industry, facilitating various operations such as cargo handling, offshore construction, and salvage operations. This guide provides an in-depth look at these types of cranes, their applications, and key characteristics.

Types of Marine Cranes

Barge Cranes

Overview

Barge cranes are mounted on barges or pontoons, providing the mobility to operate in different locations. They are often used when greater outreach or lifting capacity is required than what fixed cranes can offer.

Applications

• Offshore Wind Farm Installations: Barge cranes are used to install wind turbine components due to their extensive reach and lifting capacity.
• Underwater Activities: These include salvage operations of sunken ships and the decommissioning of aging oil platforms.
• Heavy Lifting Operations: Barge cranes are crucial for heavy lifting tasks that exceed the capabilities of fixed cranes[3][4].

Key Characteristics

• Lifting Capacity: Barge cranes can handle loads above 5,000 tons and have a reach of up to 180 meters.
• Mobility: They can be moved to different locations as needed.
• Stability: The base of the crane must be reinforced to handle extreme loads and maintain stability in various sea conditions[3][4].

Floating Cranes (Sheerlegs)

Overview

Floating cranes, also known as sheerlegs, are specialized for heavy lifting operations and are mounted on a barge or pontoon.

Applications

• Salvage Operations: Used for recovering sunken ships and other underwater salvage tasks.
• Offshore Construction: Involved in the construction and maintenance of offshore platforms.
• Port Activities: Used in ports for heavy lifting tasks where fixed cranes are insufficient[4].

Key Characteristics

• High Lifting Capacity: Capable of lifting extremely heavy loads, often above 5,000 tons.
• Extensive Reach: Can extend their boom to significant lengths, up to 180 meters.
• Specialized Crew and Maintenance: Require a specialized crew and regular maintenance due to their complexity and the harsh environments they operate in[3][4].

Design and Operational Considerations

Stability and Vessel Motion

• Barge and floating cranes must be designed to compensate for vessel motion and stability issues. This includes the use of counterweights and advanced sway control mechanisms to minimize load swinging during lifting operations[3].

Lifting Capacity and Reach

• The lifting capacity and reach of these cranes are tailored to their specific purposes. For example, offshore wind farm cranes need extensive reach to install tall wind turbines, while port cranes prioritize capacity for handling heavy containers[3].

Environmental Conditions

• These cranes are engineered to withstand extreme environmental conditions such as weather, wind, and sea forces. They must be robust and reliable to operate effectively in harsh marine environments[2][3].

Safety and Maintenance

Safety Features

• Advanced safety systems, including crane control systems and load monitoring, are integral to these cranes. These systems ensure safe operations by providing real-time information about the load, hoisting speed, and other critical parameters[1].

Maintenance

• Regular maintenance is crucial for barge and floating cranes due to their complex nature and the demanding environments in which they operate. This includes routine checks on hydraulic systems, boom mechanisms, and other critical components[3][4].

Conclusion

Barge and floating cranes are indispensable in the maritime industry, offering the necessary lifting capacity and mobility for a wide range of operations. Understanding their applications, key characteristics, and operational considerations is vital for ensuring safe and efficient maritime operations. By selecting the right type of crane for the task at hand and maintaining them properly, operators can maximize performance and reduce the risk of accidents.

171m Floating Crane Barge 2023 China 3000mt SWL

Since the specific website you mentioned is not accessible in the search results, I will create a comprehensive guide based on the information available from similar sources, such as the specifications and characteristics of large crane barges.

Guide to 171M Floating Crane Barges

Overview

A 171M floating crane barge is a specialized vessel designed for heavy lifting operations in various marine and offshore environments. Here is an in-depth look at its key components and capabilities.

General Specifications

Dimensions

• Length (LOA): 171 meters
• Breadth: Typically around 32 meters
• Depth: Approximately 12 meters
• Draft: Around 7.86 meters

Tonnage and Capacity

• Gross Tonnage (GT): Varies, but often not specified for barges
• Net Tonnage (NT): Varies, but often not specified for barges
• Deadweight Tonnage: Can be up to 3000 MT SWL (Safe Working Load)

Classification and Certification

• Class: Often classified by organizations like ABS (American Bureau of Shipping)
• Flag: Can be registered under various flags, such as Panama
• Built Date: Can vary, but recent models are built in the 2000s or later

Crane Specifications

Lifting Capacity

• Max. Lifting Capacity: Typically up to 50 tons, but can be higher depending on the crane model
• Max. Lifting Height: Varies, but can reach heights above 100 meters
• Max. Working Radius: Can extend up to 157 feet (48 meters) or more from the center of the crane

Crane Operation

• Crane Model: Often made by reputable manufacturers, with specific models varying
• Hooks and Lifting Mechanisms: May include multiple hooks for different lifting capacities and auxiliary hooks for smaller loads
• Main Hooks: High capacity, often up to 175 tons or more
• Auxiliary Hooks: Smaller capacity, typically around 30 tons or less

Propulsion and Maneuverability

Propulsion System

• Self-Propelled or Not: Some crane barges are self-propelled, while others are not.
• Propulsion Type: If self-propelled, may use advanced systems like Voith-Schneider propellers or azimuthal thrusters for better maneuverability.

Speed and Performance

• Maximum Speed: Around 6.7 knots (12.4 km/h) for self-propelled vessels
• Cruising Speed: Typically around 5 knots (9.3 km/h)
• Maneuverability: Designed for excellent performance in terms of holding course and maneuverability, especially in light winds.

Stability and Safety

Stability Considerations

• Transverse Stability: Critical factor, especially in open ocean or strong winds. Righting arm and roll period are important for safe operation.
• Restricted Operation Areas: Often limited to sheltered waters due to stability concerns.

Safety Features

• Dynamic Braking: Some cranes are equipped with dynamic braking systems to prevent violent crashes in case of mechanical brake failure.
• Emergency Systems: May include backup systems and emergency shutdowns to ensure safe operation.

Operational Capabilities

Lifting Operations

• Precision Lifting: Equipped with systems for precise vertical and horizontal positioning, often using DGPS, lasers, and underwater sensors.
• Module Placement: Used for placing large precast modules with high accuracy, sometimes requiring structural steel frames for support.

Crew and Maintenance

• Crew: Typically requires a crew of several officers and engineers, along with deckhands.
• Maintenance: Regular maintenance is crucial to ensure the crane and barge systems are in good working condition.

Conclusion

A 171M floating crane barge is a complex and highly specialized vessel, designed to handle heavy lifting tasks in various marine environments. Its specifications, including dimensions, lifting capacity, and propulsion systems, make it an essential asset for construction, maintenance, and other heavy-lift operations. Understanding its capabilities and limitations is crucial for safe and efficient operation.

250T Crane Barge

Since the specific page http://www.zhouyangmarine.com/a/chanpinzhongxin/chanpindalei8/431.html is not accessible from the provided sources, I will create a general guide based on the information available from other pages of the China ZhouYang Marine Group website. Here is an outline and an in-depth guide on their products and services:

Outline

• Introduction to China ZhouYang Marine Group
• Overview
• Locations
• Product Range
• Towing Tugboats
• Harbor Tugboats
• Deck Cargo Barges
• Offshore Vessels
• Oil/Chemical Tankers
• Cargo/Container Ships
• RoRo/Pax Ships
• Other Vessels
• Specific Vessel Details
• Example: 250TEU Container Ship
• Example: 963T Cargo Ship
• Services Offered
• Conclusion

Introduction to China ZhouYang Marine Group

Overview

China ZhouYang Marine Group is a prominent maritime company specializing in the design, construction, and operation of various types of vessels. The company has a strong presence in the maritime industry, offering a wide range of products and services.

Locations

The group operates primarily from Weihai, Shandong, and Fu’an, Ningde, Fujian, indicating a significant presence in key maritime regions of China.

Product Range

Towing Tugboats

Towing tugboats are designed for towing other vessels and are crucial for maritime operations. These tugboats are equipped with powerful engines and advanced towing gear.

Harbor Tugboats

Harbor tugboats are used within ports and harbors to assist in the berthing and unberthing of larger vessels. They are essential for ensuring safe and efficient port operations.

Deck Cargo Barges

Deck cargo barges are flat-bottomed vessels used for transporting heavy cargo, such as construction equipment, vehicles, and other large items. They are versatile and can be used in various maritime environments.

Offshore Vessels

Offshore vessels are designed for operations in open seas and are used for tasks such as offshore construction, supply, and rescue missions. These vessels are built to withstand harsh marine conditions.

Oil/Chemical Tankers

Oil and chemical tankers are specialized vessels for transporting liquids such as crude oil, petroleum products, and chemicals. They are designed with safety and environmental protection in mind.

Cargo/Container Ships

Cargo and container ships are used for the transportation of goods and containers. These vessels are a cornerstone of global trade, facilitating the movement of goods across the world.

RoRo/Pax Ships

Roll-on/Roll-off (RoRo) and Passenger (Pax) ships are designed to carry wheeled cargo, such as cars, trucks, and even trains, as well as passengers. These ships offer a convenient and efficient way to transport both vehicles and people.

Other Vessels

The company also offers other specialized vessels that cater to specific needs, such as bulk carriers and more.

Specific Vessel Details

Example: 250TEU Container Ship

• Type of Vessel: Container Ship
• Classification Society: CCS (IACS MEMBER)
• Date of Emplacing Keel: December 26, 2009
• Capacity: 250 Twenty-Foot Equivalent Units (TEUs)
  This vessel is designed for efficient container transport and meets international safety and classification standards.

Example: 963T Cargo Ship

• Type of Vessel: Bulk Vessels
• Building Date: 2004
• Ships Classification: CCS
• Length Overall: 52.80m
• Length: 48.00m
• Load Waterline Length: Specified according to design
  This cargo ship is built for transporting bulk goods and has specific dimensions and classifications that ensure its suitability for various cargo operations.

Services Offered

China ZhouYang Marine Group provides comprehensive service packages to support their maritime operations. These services include:
– Total Service Packages: The company offers integrated services that cover the entire lifecycle of their vessels, from design and construction to operation and maintenance.
– Regional Presence: With operations in Weihai, Shandong, and Fu’an, Ningde, Fujian, the group can provide localized support and services to clients in these regions.

Conclusion

China ZhouYang Marine Group is a robust player in the maritime industry, offering a diverse range of vessels and comprehensive service packages. Their products cater to various maritime needs, from towing and harbor operations to offshore and cargo transport. The company’s strong regional presence and adherence to international standards make it a reliable partner for maritime operations.

Floating Crane Barge Building New Made in China

Guide to Floating Crane Barges Made in China

Introduction

Floating crane barges are specialized vessels equipped with cranes, designed to perform lifting operations over water. These barges are crucial in various maritime and offshore projects, including construction, cargo handling, and rescue operations. Here is a comprehensive guide to understanding and utilizing floating crane barges made in China.

Types of Floating Crane Barges

High Lifting Duty Double Girder Grab Crane

• Capacity: These cranes are available in a range of capacities from 1.5 to 300 tons.
• Application: Primarily used for loading and unloading bulk cargo, these cranes are equipped with grab mechanisms to handle loose materials efficiently.
• Control: The cranes often come with cabin control for precise and safe operation[5].

General Purpose Floating Cranes

• Versatility: These cranes are designed for a wide range of lifting tasks, including heavy cargo, equipment, and even construction materials.
• Working Range: They can have a maximum working range of up to 30 meters or more, depending on the model and manufacturer[3].

Key Components and Features

Crane Specifications

• Lifting Capacity: Ranges from a few tons to several thousand tons (e.g., 3000MT SWL for larger models).
• Boom Length and Reach: Varies depending on the model, with some cranes offering extended reach capabilities.
• Rigging and Attachment Points: Equipped with appropriate rigging and attachment points to handle different types of loads safely and efficiently[2].

Barge Specifications

• Size and Dimensions: Barges can vary significantly in size, such as 171 meters in length and 43 meters in beam.
• Depth and Draft: Designed to operate in various water depths, with considerations for stability and maneuverability.
• Class and Certification: Must meet relevant industry standards and classifications to ensure safety and reliability[2].

Operational Process

Positioning and Anchoring

• The floating crane barge must be positioned correctly in the water and anchored securely to ensure stability during lifting operations.
• This step is critical to prevent any accidents or damage to the equipment or surrounding structures[1].

Lifting and Moving Loads

• The crane operator uses the appropriate rigging and attachment points to lift the load.
• The load is carefully moved to its destination, following a predetermined route to avoid any obstacles or hazards[1].

Advantages of Using Floating Crane Barges

Cost-Effectiveness

• Floating crane barges can be more cost-effective than land-based cranes in certain situations, as they do not require extensive infrastructure or site preparation[1].

Reduced Environmental Impact

• These barges have a smaller environmental footprint compared to land-based cranes, as they do not require land clearance or foundation work[1].

Challenges and Considerations

Weather Dependency

• Floating crane barges are more susceptible to weather conditions such as strong winds and rough seas, which can restrict their operations and cause safety concerns[1].

Mobilization Time

• These barges may require more time to mobilize and set up compared to land-based cranes, especially if they need to travel long distances to reach the project site[1].

Sourcing Floating Crane Barges from China

Manufacturing Capabilities

• China is a key player in the global market for floating crane barges, offering strong manufacturing capabilities and competitive pricing.
• Chinese manufacturers have a reputation for producing high-quality equipment at a lower cost compared to other countries[1].

Supplier Selection

• When sourcing from China, it is crucial to look for manufacturers with a good reputation, positive customer reviews, and relevant industry certifications such as ISO or CE.
• Ensuring the manufacturer meets necessary quality and safety standards is essential to avoid issues with performance and reliability[1].

Conclusion

Floating crane barges made in China offer a versatile and cost-effective solution for various maritime and offshore operations. Understanding the types, operational processes, advantages, and challenges associated with these barges is essential for effective utilization. By carefully selecting reputable suppliers and ensuring compliance with industry standards, businesses can leverage the benefits of these specialized vessels while minimizing risks.

171m Revoving Crane Barge 2023 built China – 37742

Given that the specific website you mentioned is not accessible in the search results, I will create a comprehensive guide based on the information available from similar sources, particularly focusing on the characteristics, specifications, and operational aspects of a 171-meter crane barge.

Overview of a 171m Crane Barge

Introduction

A 171-meter crane barge is a specialized marine vessel designed for heavy-lift operations in various maritime and offshore environments. These barges are equipped with powerful cranes capable of lifting and positioning heavy loads with precision.

Specifications

Vessel Dimensions

• Length (LOA): 171 meters
• Breadth: Typically around 32 meters
• Depth: Approximately 12 meters
• Draft: Around 7.86 meters[1][5].

Crane Specifications

• Crane Type: Revolving crane or derrick crane
• Maximum Lifting Capacity: Often up to 50 tons or more, depending on the crane model and configuration[1][4].
• Maximum Lifting Height: Can vary, but typically up to 170 feet above water[2].
• Maximum Working Radius: Can extend up to 157 feet from the side of the pontoon[2].

Propulsion and Maneuverability

• Self-Propelled: Some crane barges are self-propelled, while others are not. Self-propelled barges may use advanced propulsion systems like Voith-Schneider propellers for better maneuverability[2].
• Speed: Self-propelled barges can achieve speeds of around 6.7 knots, with a cruising speed of about five knots[2].

Certifications and Class

• Classification: Often classified by reputable maritime organizations such as ABS (American Bureau of Shipping) or China Classification Society[1][5].
• Flag: May be registered under various flags, such as Panama or China[1].

Operational Considerations

Lifting Operations

• Hook Capacities: Main hooks can have capacities of up to 175 tons, with auxiliary hooks for smaller loads. The crane may also have a smaller hook for vertical operations[2].
• Dynamic Braking: Advanced cranes may feature dynamic braking systems to prevent violent crashes in case of mechanical brake failure[2].

Stability and Safety

• Transverse Stability: Critical factor, especially in open ocean conditions. The righting arm and roll period are important considerations to ensure stability[2].
• Working Conditions: Operations are often restricted to sheltered waters due to stability concerns. In open waters, careful monitoring of wave periods and vessel motions is necessary[2].

Vessel Motions and Crane Design

• Vessel Motions: Information on pitch, roll, and heave is crucial for designing and specifying the crane to meet operational expectations. This includes calculating boom tip accelerations for various wave heights[3].
• Working Radius and Height: The working radius and maximum boom length must be specified for different lifting capacities. Additionally, any obstructions the load needs to clear should be considered[3].

Maintenance and Equipment

Auxiliary Engines

• Power and Brand: Details on auxiliary engine brands and power outputs are important for maintaining the barge’s systems[1].

Certificates and Documentation

• Inspection and Ownership Certificates: These documents are essential for verifying the vessel’s condition and ownership[1].

Applications

Offshore and Maritime Construction

• Heavy-Lift Operations: Crane barges are used for lifting and positioning large modules, bridge segments, and other heavy structures in offshore and maritime construction projects[4].

Precision Placement

• Survey Systems: Use of advanced survey systems like DGPS, lasers, and underwater sonic sensors to ensure precise placement of precast shells and other modules[4].

Conclusion

A 171-meter crane barge is a sophisticated piece of equipment designed for heavy-lift operations in various maritime environments. Understanding its specifications, operational considerations, and maintenance requirements is crucial for effective and safe use. These barges play a critical role in offshore and maritime construction projects, ensuring the precise placement of heavy loads under challenging conditions.

Damen Yichang Shipyard in China launches crane barge …

Damen Yichang Shipyard: Launch and Construction of the Crane Barge 7532

Overview

Damen Yichang Shipyard, located in China, has recently made significant strides in its shipbuilding activities, particularly with the launch of the Crane Barge 7532. Here is a detailed guide on this project and the shipyard’s capabilities.

Launch of the Crane Barge 7532

• Event Details: The Crane Barge 7532, measuring 75 meters by 32 meters, was successfully floated into the water. This launch was carefully scheduled to ensure the correct water depth necessary for a successful operation.
• Client and Destination: The barge is being built for a Panamanian client and will undergo final preparations before its journey to the Huisman yard in Fujian Province, China.

Construction and Testing

• Crane Installation: The crane for the vessel is being constructed by heavy construction equipment manufacturer Huisman. Before its installation on the barge, the crane will undergo land testing followed by final testing in combination with the Crane Barge systems.
• Capabilities: Once completed, the Crane Barge 7532 will be capable of lifting around 625 tons at a radius of 25 meters.
• Delivery: The barge is scheduled for delivery to the client by the end of the year, transported on a semi-submersible vessel.

Production Challenges and Achievements

• Impact of the Pandemic: Despite the challenges posed by the COVID-19 pandemic, the production team managed to stay close to the original schedule, which is a significant achievement.
• Commitment and Collaboration: The success of the launch is attributed to the commitment shown by the client, the production team in Yichang, and the project team in the Netherlands.

Strategic Alliances and Technological Advancements

• Alliance with Sea Machines Robotics: In addition to the Crane Barge project, Damen Shipyard has signed an alliance agreement with US-based Sea Machines Robotics. This alliance aims to explore the implementation of on-board collision avoidance functionality for Damen vessels, accelerating the adoption of navigating technology to increase autonomy levels.

Conclusion

The launch of the Crane Barge 7532 highlights Damen Yichang Shipyard’s capabilities in constructing complex and specialized vessels. The shipyard’s ability to manage and overcome production challenges, coupled with its commitment to technological advancements, positions it as a leader in the maritime industry.

Damen launches Crane Barge in Yichang

Damen Launches Crane Barge in Yichang: An In-Depth Guide

Introduction

Damen Yichang Shipyard, a prominent facility of the Damen Shipyards Group, has successfully launched a significant project – the Crane Barge 7532. This launch marks a milestone in the construction of a specialized vessel designed for heavy lifting operations.

Launch Event

• Date and Timing: The crane barge was launched on April 13, 2021.
• Seasonal Consideration: The launch was carefully timed to coincide with the optimal seasonal water depth, ensuring the successful execution of the launch process.

Specifications of the Crane Barge

• Dimensions: The Crane Barge 7532 measures 75 meters in length and 32 meters in width.
• Lifting Capacity: Once fully equipped and tested, the barge will be capable of lifting approximately 625 tons at a radius of 25 meters.

Construction and Testing

• Construction Site: The barge is being built at Damen Yichang Shipyard in Hubei Province, China.
• Crane Installation: The crane for the barge is being constructed by Huisman, a heavy construction equipment manufacturer. Before its installation, the crane will undergo land testing.
• Final Testing: After the crane is installed on the barge, it will undergo final testing in combination with the barge’s systems to ensure all functionalities are in order.

Client and Delivery

• Client: The Crane Barge 7532 is being built for a client based in Panama.
• Delivery Method: The barge will be delivered to the client on a semi-submersible vessel.
• Delivery Schedule: The delivery is scheduled to take place by the end of the year in which the launch occurred.

Challenges and Achievements

• Pandemic Impact: Despite the challenges posed by the COVID-19 pandemic, the project has remained close to its original schedule, which is a significant achievement.
• Collaboration and Commitment: The successful launch is attributed to the commitment and collaboration between the client, the production team in Yichang, and the project team in the Netherlands.

Strategic Alliances

• Sea Machines Robotics: In addition to this project, Damen has also signed an alliance agreement with US-based Sea Machines Robotics to explore the implementation of on-board collision avoidance functionality for Damen vessels, aiming to increase autonomy levels.

Conclusion

The launch of the Crane Barge 7532 at Damen Yichang Shipyard highlights the shipyard’s capabilities in constructing specialized and complex maritime vessels. This project demonstrates the shipyard’s commitment to meeting client needs and overcoming challenges, even in the face of global disruptions.

Damen Shipyards Second Crane Barge 6324, China

Guide to Damen’s CBA6324 Crane Barge

Introduction

The Damen CBA6324 is a versatile crane barge designed and built by Damen Shipyards, highlighting the company’s expertise in constructing specialized offshore and maritime equipment. Here is a comprehensive guide to this crane barge, covering its main purposes, features, and operational capabilities.

Main Purpose and Applications

Transshipment Operations

The primary purpose of the Damen CBA6324 is to serve as a transshipment barge. This involves the transfer of goods from one vessel to another, often in locations where direct loading or unloading is not feasible.

Container Handling

In addition to transshipment, the CBA6324 can be utilized for container handling operations. This makes it a valuable asset in ports and offshore environments where container management is crucial.

Salvage Operations

The crane barge is also equipped to handle salvage operations, providing the necessary lifting and handling capabilities to recover or move damaged or stranded vessels and equipment.

Design and Specifications

• Dimensions and Capacity: While the specific dimensions of the CBA6324 are not detailed in the provided source, Damen’s crane barges are generally designed to offer significant lifting capacities and stable operational platforms.
• Crane Capabilities: The crane installed on the barge is designed to handle heavy loads, though the exact lifting capacity of the CBA6324 is not specified in this source. However, it is typical for Damen’s crane barges to have cranes capable of lifting several hundred metric tons.

Operational Features

Stability and Maneuverability

• The barge is designed to provide a stable platform for crane operations, ensuring safe and efficient lifting and handling of loads.
• Its maneuverability allows it to operate effectively in various offshore and port environments.

Versatility

• The CBA6324’s versatility in handling different types of operations (transshipment, container handling, and salvage) makes it a valuable asset for a range of maritime and offshore projects.

Safety and Efficiency

• Safety Measures: Damen places a strong emphasis on safety, ensuring that the barge is equipped with necessary safety features and protocols to protect crew and equipment.
• Efficiency: The barge is designed to optimize operational efficiency, reducing downtime and enhancing the speed of operations.

Conclusion

The Damen CBA6324 crane barge is a robust and versatile vessel designed to meet the diverse needs of maritime and offshore operations. Its ability to handle transshipment, container handling, and salvage operations makes it an essential tool for various industries. With its focus on stability, maneuverability, and safety, the CBA6324 exemplifies Damen’s commitment to delivering high-quality, functional maritime solutions.

Frequently Asked Questions (FAQs)

What are the different types of crane barges used in China?

In China, there are several types of crane barges utilized for various maritime and construction tasks. One common type is the crane barge, a flat-bottomed vessel equipped with a crane for lifting operations. These are often used in construction projects such as building bridges, loading and unloading cargo, and other heavy lifting tasks. Another type is the sheerleg crane, characterized by its large A-frame structure, which is used for heavy lifting operations due to its high lifting capacity and stability. Additionally, there are self-propelled crane vessels like the Lanjing, which are converted from other types of ships and equipped with multiple cranes for extensive offshore projects.

Who are the key manufacturers of crane barges in China?

China is home to several prominent manufacturers of crane barges. Companies such as Shanghai Zhenhua Heavy Industries (ZPMC), Yantai Raffles Shipyard, and Chinese heavy machinery manufacturers are key players in the industry. ZPMC, for instance, has built advanced crane vessels like the Huaxia Kunpeng 01, which boasts a 360-degree rotating crane with a 5,000-tonne lifting capacity. These manufacturers are known for their strong manufacturing capabilities and competitive pricing, making them significant contributors to the global market for floating cranes.

What are the capabilities and features of advanced crane barges in China?

Advanced crane barges in China are equipped with sophisticated features and capabilities. For example, the Lanjing, one of the largest crane vessels in the world, has a 7,500-tonne lifting capacity crane, an additional 4,000-tonne crane, and an auxiliary 1,600-tonne hook. It is used for installing large oil rigs, building bridges, laying subsea oil pipelines, and other heavy-duty offshore projects. The Huaxia Kunpeng 01, another example, features a 360-degree rotating double-hook crane with a 5,000-tonne lifting capacity, making it suitable for the transport and installation of large-capacity offshore wind turbines and other heavy structures.

What are the common applications of crane barges in China?

Crane barges in China are engaged in a variety of applications. They are frequently used in offshore oil and gas projects, including the installation of oil rigs and platform modules. These vessels are also involved in the construction of large bridges, particularly those off the coast of China. Additionally, they play a crucial role in the installation of offshore wind turbines, as seen with the Huaxia Kunpeng 01. Other applications include laying subsea pipelines, salvage operations for large sunken vessels, and general heavy lifting tasks in maritime construction projects.

What considerations should be taken when sourcing crane barges from Chinese manufacturers?

When sourcing crane barges from Chinese manufacturers, several considerations are important. It is crucial to evaluate the manufacturer’s reputation, experience, and certifications such as ISO or CE to ensure compliance with international quality and safety standards. Direct communication with the manufacturers can help assess their customer service and professionalism. Additionally, businesses should be aware of potential risks such as varying quality control and safety standards, as well as intellectual property concerns. Conducting thorough research and selecting reputable suppliers can help mitigate these risks and ensure the acquisition of high-quality and reliable equipment.