This chapter shall govern the design, installation, construction and repair of public spas and exercise spas regardless of whether a fee is charged for use.
In addition to the requirements of this chapter, public spas and public exercise spas shall comply with the requirements of Chapter 3.
Pumps and motors shall be listed and labeled for use in spas.
The maximum water depth for spas shall be 4 feet (1219 mm) measured from the design waterline except for spas that are designed for special purposes and approved by the authority having jurisdiction. The water depth for exercise spas shall not exceed 6 feet 6 inches (1981 mm) measured from the design waterline.
Where multilevel seating is provided, the maximum water depth of any seat or sitting bench shall be 28 inches (711 mm) measured from the design waterline to the lowest measurable point.
The slope of the floor shall not exceed 1 unit vertical in 12 units horizontal (8.3-percent slope). Where multilevel floors are provided, the change in depth shall be indicated.
One emergency shutoff switch shall be provided to disconnect power to circulation and jet system pumps and air blowers. Emergency shutoff switches shall be accessible, located within sight of the spa and shall be located not less than 5 feet (1524 mm) but not greater than 10 feet (3048 mm) horizontally from the inside walls of the spa.
Emergency shutoff switches shall be provided with an audible alarm rated at not less than 80 decibel sound pressure level and a light near the spa that will operate continuously until deactivated when the shutoff switch is operated. The following statements shall appear on a sign that is posted in a location that is visible from the spa:
ALARM INDICATES SPA PUMPS OFF. DO NOT USE SPA WHEN ALARM SOUNDS AND LIGHT IS ILLUMINATED UNTIL ADVISED OTHERWISE.
Return fittings shall be provided and arranged to facilitate a uniform circulation of water and maintain a uniform sanitizer residual throughout the entire spa or exercise spa.
Suction fittings shall be listed and labeled in accordance with APSP 16.
Suction fittings shall be sized and installed in accordance with the manufacturer’s specifications. Spas and exercise spas shall not be used or operated if the suction outlet cover is missing, damaged, broken or loose.
Suction fittings shall be provided in accordance with Section 310.
Submerged vacuum fittings shall be in accordance with Section 310.
This section pertains to fuel-fired and electric appliances used for heating spa or exercise spa water.
Components provided for water temperature controls shall be suitable for the intended application.
Exception: Water temperature regulating controls that are integral to the heating appliance and listed in accordance with the applicable end use appliance standard.
The temperature of the incoming makeup water shall not exceed 104°F (40°C).
Where an automatic controller is installed on a spa or hot tub for public use, the controller shall be installed with an automatic pH and an oxidation reduction potential controller listed and labeled in compliance with NSF 50.
Instructions and safety signage shall comply with the requirements of the local jurisdiction. In the absence of local requirements, safety signs and instructions shall comply with UL 1563 or CSA C22.2 No. 218.1.
Operational signs shall include, but not be limited to, the following messages as required by the local jurisdiction:
1.Do not allow the use of or operate spa if the suction outlet cover is missing, damaged or loose.
2.Check spa temperature before each use. Do not enter the spa if the temperature is above 104°F (40°C).
3.Keep breakable objects out of the spa area.
4.Spa shall not be operated during severe weather conditions.
5.Never place electrical appliances within 5 feet (1524 mm) of the spa.
Public spas shall have permanent depth markers with numbers not less than 4 inches (102 mm) in height that are plainly and conspicuously visible from obvious points of entry and in conformance to this section.
There shall be not less than two depth markers for each spa, regardless of spa size or shape.
Depth markers shall be spaced at not more than 25-foot (7620 mm) intervals and shall be uniformly located around the perimeter of the spa.
Spas and exercise spas shall have the maximum water depth clearly marked on the required surfaces and such markers shall be positioned on the deck within 18 inches (457 mm) of the design waterline. Depth markers shall be positioned to be read while standing on the deck facing the water.
Depth markers in or on the deck surfaces shall be slip resistant.
Public facilities shall have a clock that is visible to spa users.