Aerial view of a tanker's deck and helideck

Key takeaways

  • Establish equivalent product, quantity and service scope first.
  • Identify the support behind each proposed completion window.
  • Show both the premium and the programme consequence it may avoid.
  • Do not turn a scenario into a prediction of canal access or delay.

Keep the canal context separate from supplier promises

SCA's navigation-system page describes canal traffic and Port Said arrival arrangements. SCA navigation system

The current applicable framework and vessel-specific programme require confirmation by the responsible parties. A supplier's earlier fuel offer does not itself establish the vessel's eligibility for an onward opportunity.

For a current transaction, the completion-window comparison is not provided; obtain current verified information. Record the complete offers, supported timing assumptions and assessed programme consequence, including what remains uncertain.

Compare the same fuel requirement

Before valuing timing, confirm that the offers address the same accepted grades, quantities and specifications. A quote for only part of the requirement cannot be treated as a complete earlier solution.

Also check location and service inclusions. If one proposition needs another movement or leaves a smaller grade unconfirmed, include that difference rather than attributing its entire price premium to speed.

The buyer needs a clear account of what the additional expenditure buys. That might be a different confirmed allocation, a more suitable service window or another defined benefit; it should not remain a vague claim of better service.

Assess how firm the completion proposition is

Ask whether the stated completion is an estimate, an accepted window or subject to a remaining condition. The commercial comparison should preserve that status.

Do not rank an unsupported early estimate above a later but complete proposition without explaining the uncertainty. Equally, a broad window should not be represented by only its earliest possible completion.

Where contractual significance matters, check the actual current terms and obtain appropriate review. The word used in a comparison spreadsheet does not change the supplier's agreed obligation.

Illustrative premium and programme consequence

ILLUSTRATIVE — fictional assessed alternatives, not actual Port Said offers or canal timing.

Offer A has a complete purchase cost of $300,000. Offer B costs $307,000, a $7,000 premium, and has a separately assessed earlier completion proposition.

Assume, solely for this scenario, that A's later completion causes 12 additional programme hours while B avoids them. At an illustrative value of $1,000 per hour, A's combined scenario cost is $300,000 + $12,000 = $312,000. B is then $5,000 lower overall.

If A's completion causes no additional programme time, B remains $7,000 more expensive. No probability is assigned to either outcome, and no payment liability is inferred from the time valuation.

The buyer should approve the relevant trade-off with the uncertainty visible. The calculation does not establish that B will produce the assumed benefit or that A will cause a delay.

A completion-premium decision matrix

InputQuestion to resolveEffect on approval
Purchase equivalenceAre all required grades and services covered?Establishes a fair starting comparison
Complete costWhich charges remain conditional?Identifies whether the premium is known
Timing supportWhat is confirmed versus estimated?Shows confidence in the claimed benefit
Programme constraintWhich actual event makes completion matter?Connects timing to a commercial consequence
Other constraintsWould another issue prevent the benefit?Avoids paying for time that cannot be used
Scenario exposureWhat happens if the benefit is not realised?Makes the downside visible
Decision authorityWho accepts the premium and assumptions?Ensures the trade-off is appropriately approved

Fictional case: the premium buys an earlier start only

A fictional Port Said buyer receives an expensive offer described informally as the faster option. The comparison assumes that it will protect the vessel's wider programme.

Review shows that the supplier has proposed an earlier start, while the completion basis for the full multi-grade requirement remains open. The buyer has not established the benefit used to justify the premium.

The desk requests the complete service proposition and asks the responsible team to assess its programme effect. The offer may still be attractive, but it is no longer approved on the unsupported assumption that earlier commencement necessarily means earlier useful completion.

Reassess when the programme changes

A transit or voyage update can change the value of the earlier offer without changing either supplier's fuel price. If the relevant opportunity is no longer available under either option, the original premium rationale may disappear.

Conversely, a new constraint may increase the importance of an already supported completion window. Update the comparison using the current assessed programme instead of retaining the original recommendation automatically.

The vessel's safety and navigation decisions remain with the responsible team. Procurement provides the confirmed propositions and transparent cost consequences.

Common mistakes

Avoid paying for an early start while assuming an early completion, treating partial supply as a full solution or assigning invented probabilities to timing outcomes. Another error is keeping a premium recommendation after the programme benefit has disappeared. The value of timing depends on the actual supported consequence.

Where Zeaclub fits

Zeaclub offers digitalised procedures across the voyage workflow.

Zeaclub provides 24/7 operating systems and worldwide coverage.

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 an earlier completion offer always worth a premium?

No. Assess the benefit it can provide under the vessel's actual programme and other constraints.

Does the illustration predict canal delay?

No. Its timing consequence is fictional and exists only to demonstrate the cost comparison.

Can a higher price compensate for an unaccepted fuel specification?

No. Technical and purchase requirements must be satisfied before timing value is compared.

What belongs in the completion-premium slot?

Record equivalent offer costs, timing support, programme assumptions and remaining uncertainty.

Primary sources