One Canada Square Canary Wharf Management Ltd are responsible for the maintenance of the building. There are about 130 in-house and contract staff who maintain, manage, secure and clean the building. There are normally ten maintenance personnel on-site during working hours and three at night to attend to routine repairs and adjustments to the internal environment. Critical spare parts for the electricity, gas and water systems are kept within the building. One Canada Square has been 'named and shamed' for being the top building to leave the lights on unnecessarily. The research carried out by the BBC's "Inside Out" programme found that on
Jack London Square through Jack London Square are used by BNSF Railway, Capitol Corridor, Coast Starlight, San Joaquin, and Union Pacific Railroad. The trains share the road with automobiles, AC Transit buses, and pedestrians. The square is a very popular spot for railfans. Jack London Square's most recent changes are adding more businesses, restaurants, and entertainment. Under lead developer Ellis Partners, Jack London Square's new architecture and public spaces are adding to the daytime and nighttime population and use. Recent new components include the 55 Harrison building, a mid-rise by RMW Architects in association with Steve Worthington. The public spaces by SWA Group