Group element 14: Inflation This document is only available to paying isurv subscribers. Group element 14 comprises the following elements: 14.1 Tender inflation 14.2 Construction inflation Effective from 1 January 2013 Sign up for a free trial here. Please note that the free trial does not include access to downloads. Or sign up to the isurv bulletin, our monthly newsletter detailing the latest content on isurv. For further questions, don't hesitate to call: +44(0)247 686 8555.