Chapter 11 Flashcards
Porosity
Extend to which liquids are absorbed by a material. Usually flooring material.
Resiliency
Ability of a surface to react to a shock without breaking or cracking, usually flooring material.
Coving
Curved sealed edge placed between the floor and wall to eliminate sharp corners or gaps that would be impossible to clean. It also eliminates hiding places for pests, and prevents moisture from hurting the walls.
NSF
Organization that develops and publishes standards for the design of sanitary equipment. It also assesses and certifies that equipment has met these standards.
Booster Heater
Water heater attached to hot-water lines leading to dishwashing machines or sinks. Raises water to the temperature required for the heat sanitizing of tableware and utensils.
Cross Connection
Physical links through which contaminants from drains, sewers, or other wastewater sources can enters a drinkable water supply.
Backflow
Unwanted reverse flow of contaminants through a cross-connection into a drinkable water system.
Backsiphonage
A backflow that occurs when high water use in one area of operation creates a vacuum that sucks contaminants into the drinkable water supply.
Vacuum Breaker
A mechanical device that prevents backsiphonage by closing a check valve and sealing the water supply line shut when water flow is stopped.
Air Gap
Air space used to separate a water supply outlet from any potentially contaminated source.
Five Requirements for a Hand Washing Station
(1) hot and cold running water. Must be drinkable and meet temp. and pressure requirements
(2) soap. Liquid, bar, or powder
(3) A way to dry hands. Disposable paper towels, towel system, or air dryer
(4) Garbage container for disposable paper towels
(5) Signage. A visible sign telling staff they must wash their hands before returning to work
Potable
Drinkable water. Water that is safe to drink.
