Heavy Maintenance Facilities : Facilities used for performing heavy maintenance work on revenue vehicles. Heavy maintenance includes unit rebuild; engine overhaul; significant body repairs; or other major repairs.
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}