Quality control of signalling documentation for Oslo S

Quality control and update of app. 2.800 signalling drawings for the Oslo Central station central interlocking; including surrounding areas like Skøyen; Nationaltheateret; the Oslo tunnel; Lodalen and Loenga. A lot of construction work in the area during the last years; had produced several as-built versions of the documentation and scope of work was to achieve released ("FDV")-status on all documentation. Comprised both the NSB-77 relay interlocking and trackside objects. Also new relay tables and cross connection register for internal cables was made. The scope also included delivery of baseline documentation for ongoing projects.