Purpose – Excavator productivity calculations embrace myriad variables, which in turn, can be modelled in several ways. A key productivity variable is operator competence ( O c ) because this can impact on so many of the other variables. Earlier research has studied excavator productivity, but...

Purpose – The purpose of this paper is to investigate relationships between five energy efficiency programs and electricity intensities in the US commercial buildings sector. Design/methodology/approach – Regression methods analyze state-level secondary data from 2006 through 2009 to...

The results of an investigative study aimed at assessing the performance of construction contractors, as perceived by clients and architects in the UK, are presented. The assessment uses predetermined generic performance criteria and involves two measurements, namely perceived importance (I) and...

Purpose – Plant and equipment theft (PET) is inherent throughout the construction sector. Its effect places direct financial burden on those who have invested in such assets, but additionally, induces “indirect” costs for many other stakeholders including project owners, plant hirers and...