Group element 10: Main contractor’s overheads and profits This information is only available to paying isurv subscribers. Group element 10 comprises the following elements: 10.1 Main contractor’s overheads 10.2 Main contractor’s profit Effective from 1 January 2013 To continue reading, start your free trial here. Please note your trial does not include access to downloads. To explore our subscription options and access downloads, please click here. Or sign up to the isurv newsletter, your monthly round up of the latest isurv updates. For further questions, don't hesitate to call: +44(0)247 686 8555.