Power to make mining communications where continuous working is prevented.
15If the working of any such mines or minerals as aforesaid lying under the reservoirs or buildings of the undertakers, or any of their pipes or other conduits or underground works shown on the map referred to in section twelve of this Schedule, or lying within the above-mentioned distance therefrom, mentioned in section thirteen of this Schedule, be prevented as aforesaid by reason of apprehended injury thereto, the respective owners, lessees, and occupiers of the mines or minerals may cut and make such and so many airways, headways, gateways, or water levels through the mines, measures, or strata the working whereof is so prevented as may be requisite to enable them to ventilate, drain, and work any mines or minerals on each or either side thereof, but no such airway, headway, gateway, or water level shall be of greater dimensions or sections than the prescribed dimensions or sections, or, if no dimensions are prescribed, eight feet wide and eight feet high, nor be cut or made upon any part of the said property or works of the undertakers so as to cause injury thereto.