This is the old Mosgiel railway station building. It was originally built closer to Gordon Road and was opened on 1 September 1875. It was later moved to this location in 1898. The last commuter service to run from Mosgiel to Dunedin was in December 1982.
Look at the plaque to the right of the door and the numbers on the left.
The bottom four digits on the plaque are ABCD
The two digit number to the left of the door is EF
The cache can be found at:
S 45° 5E.(A+D)(E+F)(D-F)′
E 170° 2(A+E).(E-F)AD′
Please bring your own pen
Checksum A+B+C+D+E+F = 28