The park shall provide toilets, lavatories and showers for each sex in the following ratios: one toilet, one urinal, one sink and one shower for men for each five recreational vehicle spaces; and two toilets, one sink and one shower for women for each five recreational vehicle spaces. The toilets and showers shall afford privacy and the showers shall be provided with private dressing rooms. Facilities for each sex shall be located in separate buildings or if in the same building, shall be separated by a soundproof wall.