art 4 Power to continue, construct and maintain works
The Authority may— (a) continue and maintain the existing borehole on and under the land owned by them described in Schedule 2 to this Order; (b) construct and maintain an additional borehole on and under that land; (c) construct and maintain on and under that land (in addition to the works authorised by section 4 of the Third Schedule as applied to the undertaking by this Order) all such pumping stations, wells, boreholes, adits and headings as may be necessary or expedient for augmenting or improving the supply of water obtained by means of the said boreholes.