Bow view of a bulk carrier at anchor

Key takeaways

  • Define the incoming material and the final product required by the buyer.
  • Reconcile any material removed during preparation with the shipped and delivered quantities.
  • Price preparation, transport and receiving services at their actual boundaries.
  • Do not assume a processing yield, value or transport benefit without evidence.
  • Show the cost threshold that would remove a narrow modeled advantage.

Start from equivalent material outcomes

A proposal to prepare scrap at origin may describe a different cargo from one prepared after arrival. Before comparing logistics, obtain the buyer's requirements and the relevant qualified assessment of each actual option. A cheaper movement is not equivalent if it delivers a materially different product.

ReMA publishes trading guidelines for processed scrap commodities. ReMA specifications overview.

Use the actual agreed specification and any authorized variations. The commercial model should explain what enters preparation, what is removed or changed and what product the buyer receives. It should not invent a yield or treat a trade description as permission for a technical process.

Where regulatory or other acceptance questions arise, obtain current route-specific review from the responsible advisers and authorities. This article provides a cost framework, not waste classification or processing instructions.

Draw the quantity bridge before adding rates

Identify the quantity entering the service and the expected or measured outgoing quantity. If material is removed, explain its supported treatment and any relevant value or cost. Do not assume it disappears without commercial consequence.

The transport charge should use the quantity and basis stated in the actual proposal. Receiving and preparation services may use different inputs. Preserve those distinctions rather than multiplying every line by the same tonnage.

A useful comparison can follow the same incoming parcel through two supported preparation locations. Alternatively, it can compare purchases of already prepared material, but then the starting product cost and scope must be consistent. Do not mix these approaches silently.

The quantity bridge also exposes whether the final outcomes match. If one route produces less acceptable material, the difference belongs in the product comparison rather than being hidden as a freight saving.

A checked illustrative preparation-location model

The following figures are fictional. Both routes are assumed suitable and to produce the same final accepted material solely for arithmetic. The preparation packages are assumed to include the relevant handling of removed material; no separate value is assigned to it in this example.

ILLUSTRATIVE: Each route begins with 10,000 tonnes of incoming material. Preparation removes an assumed 3%, or 300 tonnes, leaving 9,700 tonnes of final product in either route.

ILLUSTRATIVE: Route D prepares at destination. It ships 10,000 tonnes at USD 35 per tonne, costing USD 350,000. Receiving handling is USD 4 per incoming tonne, or USD 40,000, and the destination preparation package is USD 80,000. The compared total is USD 470,000.

ILLUSTRATIVE: Route O prepares at origin for USD 90,000 and ships 9,700 tonnes at the same assumed USD 35 per tonne, costing USD 339,500. Receiving handling is USD 38,800 at USD 4 per shipped tonne. Its compared total is USD 468,300, or USD 1,700 lower.

ILLUSTRATIVE: O saves USD 10,500 in freight and USD 1,200 in receiving handling, while its preparation costs USD 10,000 more. Its origin preparation package could rise to USD 91,700 before the two compared totals become equal, with every other assumption unchanged.

The narrow modeled advantage depends on the stated quantities, scopes and rates. Real preparation may change other characteristics or costs, and the transport proposals may not use the same rate. Obtain actual evidence instead of applying the fictional assumptions to a cargo.

The example does not suggest that origin preparation is generally preferable. It shows how to compare the location of a service without confusing removed material with a change in the final product delivered.

Use a preparation-boundary cost table

Cost or quantityQuestion to resolveWhy it matters
Incoming materialDo both routes begin with an equivalent parcel?Establishes a consistent starting point
Preparation outputWhat supported product and quantity result?Tests equivalent final delivery
Removed materialWho owns it and what treatment is included?Prevents omitted value or service cost
Ocean transportWhich quantity and rate basis applies?Connects freight with the actual shipped cargo
Receiving handlingIs it charged on incoming or prepared material?Preserves the provider's actual unit basis
Preparation packageWhat work and associated services are included?Avoids incomplete or duplicated scope
Conditional effectWhich uncertain input can change the ranking?Shows whether the apparent advantage is robust

If a material field remains unresolved, keep the conclusion provisional. A cost model should help identify the missing evidence, not disguise it through a convenient estimate.

Test more than the processing fee

The preparation price may be visible while the output assumption receives little scrutiny. Both matter. A different supported yield can change the quantity shipped or delivered, and a different product form can affect the relevant transport and receiving proposal.

Do not assume every consequence is proportional to tonnes. A provider may quote a package, a minimum or a different unit basis under its actual terms. Obtain those mechanisms before calculating sensitivity.

Also examine timing at the correct endpoint. Preparation at origin and destination may place the dependency at different points in the programme. The buyer should assess when the final usable material becomes available, using the actual supported service sequence.

Avoid inventing a monetary penalty for a timing difference. If the buyer has a relevant supported cost or alternative purchase, include it transparently. Otherwise explain the consequence qualitatively and keep it separate from the verified arithmetic.

A fictional freight saving compares unequal outputs

In this fictional case, a scrap buyer is offered a preparation service before shipment. The initial estimate credits lower shipped weight as a freight saving but does not explain what material is removed or whether the remaining product satisfies the same sale.

The buyer asks for the appropriate output evidence and commercial scope. It compares the origin option with destination preparation only after both final outcomes are defined. The treatment of removed material and the applicable charge bases are then included explicitly.

The revised model may still favor origin preparation, but it no longer treats any reduction in tonnes as an automatic economic benefit. The fictional lesson is that the final product outcome must remain visible when a processing stage changes the cargo quantity.

Keep cost allocation separate from physical scope

A preparation service can be necessary while its payer or ultimate cost bearer depends on the actual agreements. Identify those matters separately. Do not omit a service from the complete-cost view merely because another party may initially pay it.

Check the current commercial terms with appropriate advisers where allocation is unclear. Show any supported reimbursement as an allocation rather than a second physical expense. The model should reconcile the complete service cost with the relevant party's cash and net-cost views.

Common mistakes

Treating removed material as free freight savings without checking the final product can distort the comparison. Establish equivalent outcomes first.

Another mistake is using one quantity for every charge. Preserve the actual provider's unit and service boundary.

Finally, do not call a narrow modeled advantage decisive when it depends on unsupported yield or package assumptions. Show the threshold and the evidence still needed.

Where Zeaclub fits

Zeaclub provides a multi-party shared workspace for owners, charterers, brokers and port agents.

Zeaclub offers digitalised procedures across the voyage workflow.

Explore Zeaclub

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Educational information only; not legal, financial or trading advice. Contract wording and applicable rules control. Verify current requirements and obtain qualified advice before acting.

Frequently asked questions

Is preparation before shipment always cheaper?

No. Compare the actual service cost, output, transport consequences and receiving scope for supported equivalent outcomes.

What quantity should freight use?

The quantity and calculation basis specified by the actual transport proposal. Do not substitute a preferred input from the processing model.

Does lower shipped weight prove a better result?

No. It may accompany a different delivered product or quantity. Reconcile the material flow and commercial value before drawing a conclusion.

Why calculate a switching threshold?

It shows how much a modeled input can change before an apparent advantage disappears, under stated assumptions. It is not a market prediction.

Who confirms the processing and acceptance assumptions?

The responsible qualified providers, cargo interests and relevant advisers for the actual material and route. The cost worksheet does not replace their assessment.

Primary sources