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Container shipping planning guide

How to Ship a Container: From Cargo Plan to Final Handoff

Shipping a container safely starts before the box arrives. Define the cargo, choose FCL or LCL, prepare and secure the load, confirm documentation and verified weight requirements, then book the transport and delivery handoffs.

Direct answerFor ocean container shipping, the shipper should treat packing, cargo declarations and weight as operational safety data. The IMO/ILO/UNECE CTU Code gives packing and securing guidance, and SOLAS rules require verified gross mass (VGM) for packed containers before loading on applicable ships.

Key takeaways

  • Choose FCL versus LCL from cargo volume, handling sensitivity and service scope.
  • Plan packing and restraint for transport forces, not warehouse storage.
  • For packed ocean containers, verify gross mass under the applicable SOLAS process.
  • Define origin, customs, terminal and destination responsibilities before booking.

Choose FCL or LCL

FCL gives one shipper use of the container; LCL consolidates smaller shipments with other cargo. LCL can reduce the need to pay for unused container space, while FCL can reduce consolidation/deconsolidation handling. Compare actual service scope rather than using a fixed volume cutoff as a universal rule.

Prepare the cargo and container

  1. Inventory the cargoList every commodity, piece, gross weight, dimensions and special handling need.
  2. Select packagingUse pallets, crates, blocking or other packaging appropriate to the cargo and route.
  3. Plan weight distributionAvoid concentrated loads and unbalanced placement that can affect safe handling.
  4. Secure the cargoUse suitable restraint so cargo cannot shift during trucking, terminal handling or vessel motion.
  5. Close and seal as requiredFollow the carrier/terminal process for sealing and documentation.
Next step

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Use the CTU Code as a packing reference

The IMO/ILO/UNECE CTU Code covers packing and securing cargo transport units across sea and land transport. It addresses planning, load distribution, securing, dangerous goods and other practical safety issues. It is a better reference than a generic "fill the empty space" approach.

Confirm verified gross mass for ocean vessel loading

IMO states that the shipper is responsible for providing verified gross mass for a packed container under SOLAS rules. VGM can be obtained by weighing the packed container or, where the competent authority permits, by weighing cargo/packages plus pallets, dunnage and securing material and adding the container tare mass. A packed container without the required VGM cannot be loaded under the rule.

VGM is not a freight quote weight guess

Use the carrier/terminal and competent-authority process for the actual shipment. Do not substitute an informal estimate.

Build the booking around handoffs

Process diagram for planning a container shipment from cargo definition to final handoff
Container planning connects equipment choice, packing, booking and each handoff.
A container booking is a chain of responsibilities.
Handoff Confirm before booking
Origin Container positioning, loading access and pickup date
Export/customs Who prepares declarations and commercial documents
Terminal Cutoff, VGM submission and receiving rules
Ocean transport Container/service type and booked routing
Destination Release, customs/import, drayage and unloading
Equipment return Empty return location/time and responsibility
Next step

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Final container checklist

  • Cargo can legally and safely be transported in the chosen service.
  • Packed dimensions/weights and commodity descriptions are accurate.
  • FCL/LCL and equipment type are confirmed.
  • Packing/securing and VGM responsibilities are assigned.
  • Customs/border documentation roles are assigned.
  • Destination unloading and equipment-return plan is workable.

Sources for safe container preparation

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