QINGDAO BOXWELL CONTAINER CO. IS THE OFFICAL MANUFACTURING PARTNER OF BOXWELL LLC.
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The 2.2m Offshore Tool Box is a compact steel offshore container developed for the transportation and storage of tools, maintenance equipment and other suitable project cargo in offshore logistics operations.
This model belongs to Offshore Containers → Offshore Tool Box. Its certified product description is “2.2m Tool Box Steel Offshore Container,” Model QB-TB-02.
This product has product-specific compliance with:
● DNV-ST-E271:2023, Amendment 2024
● ISO 10855-1:2024
● In support of IMO MSC/Circ.860.
The inspected offshore container complies with DNV-ST-E271:2023+A2024 and ISO 10855-1:2024.
The external dimensions are:
2200 × 1230 × 1140 mm.
The internal dimensions are approximately:
● Length: 2040 mm
● Width: 1050 mm
● Height: 845 mm
● Cubic Capacity: 1.736 m³.
This compact format provides a dedicated offshore storage unit where a full-size cargo container is unnecessary.
The certified weight specifications are:
● Maximum Gross Mass: 5,800 kg
● Tare Mass: 800 kg
● Payload: 5,000 kg.
Actual cargo loading should remain within the certified limits and comply with the approved load distribution and securing arrangements.
The container features a large double swing-door opening on the long side together with an upward-opening top lid.
The side door opening is approximately:
2040 × 767 mm.
This combination provides flexible access for loading long tools, maintenance equipment and other cargo that may be inconvenient to handle through a smaller single opening.
The top-opening structure also incorporates spring components.
The container has four lifting lugs with four corner lifting padeyes.
The certified lifting configuration includes:
● Maximum sling angle from vertical: 45°
● Enhancement Factor: 1.809
● Minimum shackle bolt diameter: 25 mm
● Standard shackle size accepted in the DAD: 6.5 tonnes.
Forklift pockets are integrated into the base, with approximately 1200 mm fork-pocket center spacing.
The forklift pockets have sufficient shear area under DNV-ST-E271 and are suitable for laden lifting, subject to safe operating procedures.
SPA-H or equivalent is used for many of the primary structural members, while the lifting padeyes are E36 steel.
The frame material, including the lifting lugs, meets the applicable impact-test requirements for the specified -20°C design temperature.
The outside surface is coated and protected against corrosion in accordance with ISO 10855-1 and DNV-ST-E271.
A zinc-rich epoxy / epoxy / polyurethane system or hot-dip galvanizing is not specified for this particular 2.2m model. Those coating details should therefore not be added unless confirmed in the final project coating specification.
The 2.2m Offshore Tool Box is designed as a compact offshore transport container for tools and equipment that require certified offshore handling.
The unit can be used for appropriate tools, maintenance equipment, spare items and operational supplies transported between shore bases, vessels and offshore installations.
Offshore containers are commonly used for moving equipment, tools and supplies between ships and fixed or floating offshore facilities.
Its compact dimensions make the toolbox suitable for projects where operators require dedicated equipment storage without using a full-size offshore cargo container.
The 5,000 kg payload provides capacity for appropriate maintenance and project equipment while the certified lifting arrangement supports offshore crane operations.
The tool box can be incorporated into logistics between onshore supply bases, offshore supply vessels and offshore facilities.
The combination of four lifting lugs and laden-rated forklift pockets provides different handling methods at appropriate stages of the logistics chain.
Comparable offshore transport containers are used for moving tools, equipment and supplies in offshore wind projects as well as oil and gas operations.
The 2.2m toolbox can therefore be considered for appropriate installation and maintenance tools where its dimensions, payload and certified configuration match the project requirements.
The side double doors and top-opening lid can provide practical access to tools and equipment during marine repair and maintenance operations.
At a shore base or fabrication yard, the forklift pockets can be used for applicable ground handling. The fork pockets are accepted for laden lifting under the approved design.
The product can also provide a dedicated transport and temporary storage unit for:
● Hand and power tools
● Maintenance equipment
● Suitable spare parts
● Inspection equipment
● Project-specific tools and accessories
Final cargo suitability should always be checked against the 5,000 kg payload, internal dimensions and approved securing requirements.
Specification | Details |
Product Name | 2.2m Offshore Tool Box |
Certified Description | 2.2m Tool Box Steel Offshore Container |
Model No. | QB-TB-02 |
Brand / Manufacturer | Qingdao Boxwell Container Co., Ltd. |
Product Category | Offshore Containers → Offshore Tool Box |
Applicable Standards | DNV-ST-E271:2023+A2024 / ISO 10855-1:2024 |
Supporting IMO Requirement | IMO MSC/Circ.860 |
External Dimensions (L × W × H) | 2200 × 1230 × 1140 mm |
Internal Dimensions (L × W × H) | Approx. 2040 × 1050 × 845 mm |
Cubic Capacity | 1.736 m³ |
Side Door Opening | Approx. 2040 × 767 mm |
Access Configuration | Double Swing Side Doors + Top-Opening Lid |
Maximum Gross Mass | 5,800 kg |
Tare Mass | 800 kg |
Payload | 5,000 kg |
Design Temperature | -20°C |
Primary Structural Material | SPA-H / Equivalent according to approved drawings |
Padeye Material | E36 |
Number of Lifting Lugs | 4 |
Maximum Sling Angle | 45° from vertical |
Enhancement Factor | 1.809 |
Shackle | 6.5-ton rated standard shackle |
Minimum Shackle Bolt Diameter | 25 mm |
Forklift Pockets | Yes; accepted for laden lifting |
Fork Pocket Center Distance | Approx. 1200 mm |
LR Type Approval No. | GB-LR 29058-10/2025 |
Design Appraisal Document | SDAC/2592869 |
CSC Approval | N/A |
Customs Approval | N/A |
Corrosion Protection | Exterior coated/protected in accordance with applicable approved standard requirements |
Depending on project requirements, the following documentation can be provided:
DNV-ST-E271 Certification
CSC Plate (Optional)
Third-Party Inspection Certificate
Welding Records
NDT Reports
Load Test Reports
Paint Inspection Reports
Dimensional Inspection Reports
User Manual
Packing List
Every offshore container passes through a complete manufacturing process under strict quality control.
We manufacture the QB-TB-02 2.2m Tool Box Steel Offshore Container.
The product has Lloyd’s Register design appraisal and Offshore Container Construction Certificate documentation.
The following product-specific documentation is available:
● LR-examined engineering drawings
● Lloyd’s Register Design Appraisal Document
● Lloyd’s Register Offshore Container Construction Certificate.
For offshore procurement, this provides customers with verifiable technical information beyond a generic sales description.
Our core engineering and R&D team has more than 20 years of industry experience in offshore containers, special containers and customized equipment solutions.
The 20+ years figure refers to our team's experience rather than the age of our company itself.
We support:
● Manufacturing from customer drawings
● Manufacturing according to technical specifications
● In-house non-standard product design
● Offshore DNV-certified container projects
● Project-specific engineering and certification support.
Any modification to the certified QB-TB-02 design should nevertheless be reviewed to determine its effect on the approved design and certification scope.
We were founded in May 2020 in Jiaozhou, Qingdao.
Our manufacturing facility includes approximately:
● 60,000 m² total factory area
● 32,000 m² workshop area
● More than 200 workers.
Our quality-management system covers:
● Raw material inspection
● Production-process monitoring
● Final product testing
● Use of testing equipment for product verification.
Our service scope includes cooperation with independent inspection agencies and classification societies for project-specific inspection and certification requirements.
The 2.2m Offshore Tool Box is supported by Lloyd’s Register design appraisal and Offshore Container Construction Certificate documentation.
Our services include technical consultation, engineering, manufacturing, testing and certification support, quality control, logistics coordination and after-sales technical assistance.
The QB-TB-02 design complies with:
● DNV-ST-E271:2023+A2024
● ISO 10855-1:2024
● In support of IMO MSC/Circ.860.
The design also has Lloyd’s Register Type Approval No. GB-LR 29058-10/2025.
The certified values are:
● External Dimensions: 2200 × 1230 × 1140 mm
● Maximum Gross Mass: 5,800 kg
● Tare Mass: 800 kg
● Payload: 5,000 kg.
The internal space is approximately 2040 × 1050 × 845 mm.
The Tool Box uses double swing doors on the long side plus a top-opening lid.
The side door opening is approximately 2040 × 767 mm.
Yes, within the approved operating conditions.
The fork pockets are suitable for laden lifting and meet the relevant shear-area requirement under DNV-ST-E271.
The detailed lifting set is outside the scope of the design appraisal.
The certification is valid only when the container is fitted with an approved lifting set.
The approved lifting geometry specifies a maximum sling-leg angle of 45° from vertical.
No, not necessarily.
A 14,500 kg 2.5R proof test applies to the certified fabrication series. The tested container may be the certified unit or another container from the same fabrication series.
It would therefore be inaccurate to claim that every individual unit automatically receives the same proof test.
Welding and NDE are required in accordance with ISO 10855-1 and DNV-ST-E271 and are subject to verification by the attending surveyor.
In addition, 100% MPI is required at connections between padeyes and primary structural members.
The certified design temperature is -20°C.
A -40°C design is not specified for this model. Any lower-temperature version would require separate engineering and certification confirmation.
For an engineering review, it is recommended to provide:
● Intended tools or equipment
● Cargo dimensions
● Cargo weight
● Required payload
● Required internal dimensions
● Preferred access arrangement
● Forklift-handling requirements
● Required design temperature
● Lifting and sling requirements
● Internal storage or securing requirements
● Required certification
● Quantity
● Operating environment
● Delivery destination
We support customer drawing-based manufacturing and non-standard offshore-container engineering, but any changes to an approved offshore design should be reviewed for their impact on the certification scope.
