NEC 4 - Option B - Prelims Remeasure

Hello everyone,

I’m working on an NEC4 Option B contract currently. Within the BoQ the preliminaries are set out with what it’s for e.g. Project Manager with then the number of weeks, the rate and the total.

During the interim application I have applied for every item in my prelims for the number of weeks we have been on site, so just drawing down on the total amount.

The client is measuring it against each person, and their start/end dates on the project.

I always thought preliminaries were more of a ‘lump’ item and they can only be changed via the CE mechanism?

Thanks in advance.

It depends on how the people are presented in the BoQ as to what is paid, as that is the starting point of an assessment. If each person is added individually then presumably there is a rate per week and a unit of measure in weeks. The payment assessment would consider the quantity (weeks) of work completed for each item multiplied by the rate.

The issue appears to be determining when the quantity of weeks for each individual actually starts and finishes. If this corresponds with a formal document, such as a tender programme, then that should be sufficient evidence to confirm what each start date should be. This may have changed for many reasons, including a compensation event, although as a ‘lump sum’ form, main option B is not based on ‘re-measurable’ principles.

Where an item is measured as a period of time, actual completion should also be assessed in terms of the ‘passing of time’.