Collaborative Computational Project 12 (CCP12) is an activity that is funded through the Engineering programmes within the Engineering and Physical Sciences Research Council (EPSRC). One of the major activities for CCP12 is High Performance Computing in Engineering and the project seeks to support grant holders in the exploitation of local and national high performance computing facilities. CCP12 has worked closely with the academic community to support the engineering consortia that have exploited the Cray T3D and Cray T3E massively parallel computers at Edinburgh and, more recently, the Cray T3E/1200 at Manchester. CCP12 is now working with the existing engineering consortia to ensure HPCx is a major success. CCP12 is also involved in nurturing application areas new to high end computing, such as process engineering, marine CFD, biofluidics and microfluidics.