For purposes of this Article the following terms are defined as follows based on recognized industry terms. Other definitions relating to plumbing fixtures are contained in the City Plumbing Code.
1. "ASME" is the American Society of Mechanical Engineers.
2. "Commercial Pre-rinse Spray Valves (PRSV)" are assemblies consisting of a flexible hose and spray head for attachment to a faucet with a built-in diverter. Commercial kitchen pre-rinse spray valves shall be equipped with an integral automatic shut off.
3. "Cooling Tower" is a large exterior heat exchanger that transfers heat from condenser water to the outside air.
4. "CSA" is the Canadian Standards Association.
5. "Cycles of concentration" is the accumulation of dissolved minerals in a cooling tower recirculating water.
6. "Dual Flush" means a toilet that has two flush modes, one at 1.1 gallons per flush or less and one at 1.6 gallons per flush or less.
7. "Energy Star®" is a government backed program helping businesses and individuals protect the environment through energy efficiency.
8. "High Efficiency Toilet" is a toilet that flushes with no more than 1.28 gallons of water. A dual flush toilet is equivalent to a high efficiency toilet.
9. "High Efficiency Urinal" is a fixture that flushes with no more than 0.5 gallons of water. A non-water use urinal is a high efficiency urinal.
10. "IAPMO" is the International Association of Plumbing and Mechanical Officials.
11. "Kitchen or Bar Sink Faucet" is a device opening that drains water into an approved receptacle in domestic or commercial installations. Faucets that drain into other types of sinks, such as clinic sinks, floor sinks, service sinks and other similar sinks are not included.
12. "Lavatory Faucet" is a faucet that drains into a lavatory basin in a domestic or commercial installation.
13. "Metering Faucet" is a faucet that after actuation dispenses water of a predetermined volume or for a predetermined period of time. The volume or cycle duration can be fixed or adjustable.
14. "Non-Water Urinals" are plumbing fixtures that are designed to receive and convey only liquid waste (urine) through a trap seal and into the gravity drainage system without the use of water for such function. Zero-water, Water-less or Water-free urinals are equivalent terms for Non-water urinals.
15. "Potable Water" is water that is satisfactory for drinking, culinary, and domestic purposes that meets the requirements of the health authority having jurisdiction.
16. "Private or Private Use" refers to plumbing fixtures in residences and apartments, private bathrooms in hotels and hospitals, and restrooms in commercial establishments where the fixtures are intended for the use of a family or an individual.
17. "Public or Public Use" means all uses of fixtures or structures that are not defined as private or private use.
18. "Self-Closing Faucet" is a faucet designed to close itself as the activating mechanism is released.
19. "Single Pass Cooling Systems" are systems within which water is circulated only once to cool equipment before disposal.
20. "US EPA" is the United States Environmental Protection Agency.
21. "Water Closet, Electro-Hydraulic Tank Type" is a water closet of the siphonic or washdown type that utilizes motors, pumps, and controllers to assist the flushing action by monitoring and controlling the flush and dictating the exact discharge from the tank into the bowl. All electro-hydraulic tank type water closets shall have a maximum effective flush volume of not more than 1.28 gallons (4.8 liters) of water per flush in accordance with ASME A112.19.2/ CSA B45.1 or ASME A112.19.14 and shall also be listed to the EPA WaterSense Tank-Type High Efficiency Toilet Specification. The effective flush volume for dual flush toilets is the composite, average flush volume of two reduced flushes and one full flush.
22. "Water Closet, Gravity" is a water closet that is designed to flush the bowl by gravity. All gravity type water closets shall have a maximum effective flush volume of not more than 1.28 gallons (4.8 liters) of water per flush in accordance with ASME A112.19.2/CSA B45.1 or ASME A112.19.14 and shall also be listed to the EPA WaterSense Tank-Type High Efficiency Toilet Specification. The effective flush volume for dual flush toilets is the composite, average flush volume of two reduced flushes and one full flush.
23. "Water Closet, Pressure-Assist Type" is a water closet with a pressure vessel installed within its tank that uses water supply pressure to compress entrapped air. When the flushing mechanism is activated, the energy stored in the compressed air is released, causing a surge of water into the bowl. All pressure-assist type water closets shall have a maximum effective flush volume of not more than 1.28 gallons (4.8 liters) of water per flush in accordance with ASME A112.19.2/CSA B45.1 or ASME A112.19.14 and shall also be listed to the EPA WaterSense Tank-Type High Efficiency Toilet Specification. The effective flush volume for dual flush toilets is the composite, average flush volume of two reduced flushes and one full flush.
24. "Water Factor" is the number of gallons of water per cycle per cubic foot (ft
3
) that a clothes washer uses. The Water Factor for a clothes washer (residential or commercial) shall be calculated by the quantity of water in Liter/Gallon (L/G) used to wash each cubic meter (m
3
) or each cubic foot (ft
3
) of machine drum capacity. The Water Factor for a residential dishwasher shall be calculated by the quantity of water use in L/G per full machine wash and rinse cycle.