(1) Where required to do so in writing by the local authority the owner of any premises which discharges storm water on to a street shall either—

a) Construct channels or conduits or lay pipes to conduct such water to channels or conduits vested in the local authority, so as to prevent any discharge of storm-water over a footway or sidewalk; or

b) Meet the charges of the local authority for carrying out the work required under paragraph (a).

(2) The owner of any premises served by the said channels or conduits shall thereafter maintain these in good working order.