We were appointed on RAF Croughton to work with the American Principal Contractor to ensure compliance with the Construction Design Management Regulations 2015 and ensure all duty holders were complying with their required duties. This appointment was in relation to the delivery of phase 2, which included for the installation of the antennas and radomes and phase 3, included for the installation of the security items and CCTV around site. We were appointed as the Principal Designers and Principal Contractor CDM Compliance for all phases to ensure coordination of communication and information exchange was maintained.