Easy understanding of Laytime calculation in a Voyage Charter Party: The statement of Fact is an important document for Laytime calculation. Laytime is the time, determined by the charterer, allowed for loading and discharging cargo. The laytime is spelled out in the voyage charter. Laytime calculation is one of the most laborious and time consuming tasks. However on the other hand, accurate laytime calculation can save a.

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The laytime determined by a contract, which is the exchange laytimf obligations and the distribution of risk between the owner and the charterer. Subject to strike and lockout clause. A charter party CP is always tied to one or more cargoes or parcelsnot to a vessel. Expand to see related content.

For example, the quantity of cargo is important if laytime is to be calculated.

In the examples below, headings similar to those in the BIMCO calculaton are used, without the “boxes” above the “laytime computation” and the columns for “Hours worked”, but in addition to the columns on the standard form, additional columns are used for “Laytime allowed” and for “Total time counted” which should add up to the laytime allowed. Related Content with Label ‘calculations’ Page: If the number of running hours or days spent loading or discharging the cargo, after the Notice of Readiness is properly given, varies from the contractually agreed amount of time, then the laytime is paid by the charterer as demurrage or the ship owner as despatch, at the hourly or daily rate specified in the voyage charter.


Laytime is the time, determined by the charterer, allowed for loading and discharging cargo. What are the differences between “towage” and “salvage”?

How to Calculate Laytime

A standard method should be used but it should be mentioned here that various parties-owners, charterers, shippers and cargo receivers-may have methods and forms that suit each party. The agreement contains provisions, regarding the type of charter and conditions which is due to be completed.

When laytime is not fixed or calculable, such as clauses present in the charterparty that the cargo is to be discharged “as customary” or “as fast as the vessel can deliver”, the variables of “customary”, “reasonable time” and so on, are uncertain so that although demurrage and despatch may become payable, to calculate these amounts would have to depend on the various parties’ opinion of “reasonable”, “customary”, etc.

This time at the port is called laytime. Laytime Calculations Multiple Parcels Page: Demurrage and despatch clause: This enables a vessel to visit other ports within allowed laytime without it affecting the charter party as long as the cargo arrives and is discharged within agreed time frame. Some features of this site may not work without it. However, where delay is caused to vessel getting into berth after giving Notice of Readiness for any reason over which Charterer has no control, such delay shall not count as laytime”.

This tab holds all charter parties for transshipments, preshipments and relets and has the same function as the other tabs “all in one” for these type of voyages.


Create Time Charter Calculations. Laytime calculating requires a familiarity with a Timesheet and perhaps also a statement of facts. How are Bunker Consumption and Cost Calculated?

If it was not, laytime does not count. What is the difference between grounding and stranding? An introduction will be given here to laytime calculation, based on different charterparty terms and for dry cargo and oil cargo.

Timesheets and Laytime calculation

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Laytime is the period of time permitted by the shipowner to perform loading or discharging. Make a note of how much time, usually described in running hours or days, is allowed by the charter for loading or discharge of the cargo. Note how the charter determines the ship to be an “arrived ship” and what Notice of Readiness must be given, if any. What should the master look for when they join, and what should be his priorities? Each contracting party agrees to accept the risk in some cases provided.

Video of the Day. Laytime Calculations Single Parcel Page: If standard forms were used, perhaps some areas of dispute may be reduced. Report a bug Atlassian News Atlassian. Laytime Calculations Single Parcel 12 related results.