SCHEDULE 2Permitted development rights
PART 17Mining and mineral exploration
Class A – extensions, alterations etc ancillary to mining operations
Permitted developmentA
The carrying out of operations for the erection, extension, installation, rearrangement, replacement, repair or other alteration of any—
a
plant or machinery,
b
buildings,
c
private ways or private railways or sidings, or
d
sewers, mains, pipes, cables or other similar apparatus,