All locomotive maintenance was performed in Oakland, and wheels were resurfaced at an Amtrak shop in Wilmington, Delaware.
[1] The construction phase of the facility lasted approximately three years; preliminary work completed in 2005 included relocation of existing rail lines and utilities, a 1,800-foot long (550 m) wall to attenuate construction noise, and a tunnel to link the maintenance facilities with the east yard.
[1] To accommodate maintenance requirements for the new Stadler KISS electric multiple units (EMUs) being procured as part of the Caltrain Modernization Program, CEMOF was modified starting in 2019.
[8] Caltrain's CEMOF replaced an old 22-acre (8.9 ha) Southern Pacific Railroad maintenance yard formerly located on the same site.
[9] The Train Washer is an automated washing machine that cleans the exterior of half of Caltrain's fleet each day or at least twice a week, up from twice a year before the facility.
[9] This new building improves servicing conditions, safety, and efficiency by allowing mechanics to work indoors rather than outdoors.