DSSR specialises in a range of HV services, including design for open or closed ring configurations, protection studies for HV through to LV protection devices and high voltage generator installation design and operation strategy We have built up strong experience over the years in providing vertical transportation services – our experienced individuals can provide detailed specifications for all types of lifts, escalators & moving walkways, including specialised disabled lifts and fire fighting lifts We provide a complete service in all aspects of design, supervision and installation of mechanical and electrical engineering services for all types of buildings We provide a liaison service with the REC for G59 protection requirements and parallel operation generators and mains