The measurement of electrical services, as with mechanical services, requires the traditionally trained quantity surveyor to develop his knowledge of the underlying technology. Within the constraints of this paper, the relatively simple worked example can only provide an introduction to the subject. Once the route has been plotted and the specification fully understood, the measurement of the work is relatively straightforward, comprising enumerated items of equipment and final circuits and linear items of conduit, cable trunking, cable tray and cable on more complex systems, all measured in accordance with the rules prescribed in the standard method of measurement of builders work seventh edition (SMM7) by the Royal Institute of Chartered Surveyors (RICS, 1998).
However, conduits and cables can sometimes be laid diagonally where running in floor screeds or in pitched roof voids.
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