Putting an item under the right NRM2 work section is a useful first step. It gives the bill a recognisable order. It does not establish that the item has been measured correctly.

The description still has to carry enough information for someone to price the same scope. A cubic metre of concrete is not a complete commercial description. The specification, location, placing conditions and relevant boundaries can affect the rate substantially.

This becomes particularly important when software offers automatic classification. A suggested code can save time, provided the estimator treats it as a suggestion. A correctly labelled row can still contain the wrong unit or combine work that should be considered separately.

One concrete item, several questions
FieldWhat the estimate needs
Quantity450 m³
ScopeFoundation concrete
SpecificationGrade and exposure requirements
MethodDelivery, placing and pumping basis
BoundariesReinforcement and formwork treatment

Illustrative item review. The quantity and scope are example inputs, not a standard bill description.

Keep the measurement record available

Take a foundation item measured at 450 m³. Retain the dimensions, drawing revision and deductions that produced that quantity. If the design changes, the team should be able to identify the affected measurement without rebuilding the entire take-off.

Then check the pricing boundary. Is reinforcement being priced separately? Where has formwork been allowed? Does the placing rate include the pump, or is there another line for it?

RICS identifies NRM2 as its detailed measurement document for building works. The full rules and the project’s requirements should guide bill preparation. A software heading is an organising aid; it cannot make those professional decisions on behalf of the estimator.

Sources and further reading

  1. RICS New Rules of Measurement