Whenever a driveway to be used for vehicular traffic shall be constructed on any portion of the property served in such manner as to interfere with the District's connections, the District shall effect the removal and relocation of any water service connection or any part thereof which may be within the lines of such driveway; provided, however, that instead of removal, the District may, if it seems advisable, cause the construction and placement of an iron masonry box or chamber of sufficient strength to stand the stress of vehicular traffic. The cost of removal, relocation, or modification of water service connections as provided in this section shall be paid by the customer.