Work No. 15B—U.K.A railway (2,576 metres in length) on the southern side of the railway (Work No. 15) commencing by a junction with that railway at the said point 360 metres east of its commencement, passing eastwards under Egerton Road (Work No. 15C) and terminating by a junction with Work No. 15 at the said point 125 metres north-west of the intended bridge carrying Newlands Road (Work No. 15F) over that railway;