Work No. 4F—U.K.A passenger subway commencing by a junction with the passenger subway (Work No. 4A) at its termination and the passenger subway (Work No. 4AA) at its commencement beneath a point 26 metres north of the north-eastern corner of the Great Northern Hotel, passing south-westwards and terminating by a junction with the passenger subway (Work No. 4G) beneath a point in Pancras Road 40 metres south-west of the south-western corner of that building;