After 4 years of practical construction experience combined with technical economics and environmental education Gary joined Costain in 2014 as part of the Crossrail C610 systemwide fit-out team. These works required Gary to ensure uncompromised environmental management in line with company, client and regulatory compliance across 42km of single bore tunnels, encompassing 9 central London regulatory authorities and the management of over 42 environmental consents. The focus of the works involved five types of track construction, fire mains, walkways, OHLE, HVLV power and communications, drainage, ventilation, platform screen doors, auto transformer sites and three temporary railheads. In addition to the systemwide experience Gary gained, he now works full time on the construction of the Crossrail C695 permanent railhead maintenance facility. This project involves multiple rail sidings, maintenance and accommodation buildings, installation of track drainage and all permanent utilities and services in line with BREEAM 2013.