IPMS - All buildings

Question 1

What is the most recently published guidance with regard to measurement?

Answer 1

IPMS: All buildings, published 15 Jan 2023

Question 2

What is the purpose of IPMS?

Answer 2

To provide an international form of standard measurement, in order to compare building cost analyses for buildings in different parts of the world.

Question 3

What is Internal Dominant Face?

Answer 3

The inside surface area comprising more than 50 per cent of the lowest 2.75 m measured vertically from the structural floor surface, or to the ceiling if lower, for each Wall Section. If such does not occur or if the Wall Section is not vertical, the Finished Surface is deemed to be the IDF.

Question 4

What happens if no part of the wall is deemed to be greater than 50%

Answer 4

The ‘finished surface’ is then taken to be the IDF.

Finished Surface
The Wall surface directly above the horizontal wall-floor junction, ignoring any part-height walls, cladding, fittings, skirting boards, cable-trunking, pipework and heating or cooling units.