An owner of a public pool or spa shall ensure that:
A. Pool and spa equipment is installed according to manufacturers' instructions and this chapter;
B. Valves, controls, gauges, filters, pumps, feeders, and other operating equipment are easily accessible;
C. Valves, controls, and piping are permanently numbered, labeled, or color-coded to identify their purpose or function; and
D. Operating instructions for the circulation and water treatment systems:
(1) Refer to the number, label, or color code of the valves, controls, and piping, and
(2) Are posted in the equipment room in a water-resistant cover.