Explaining Cross-Connections, Backflow Prevention, & Safe Drinking Water. Cross-Connection Control Program Regulation. Purpose. The following is presented to provide a general explanation on the subject of backflow prevention.
Cross-Connection Control Manual, Division of Sanitary Engineer- ing, Tennessee Dept. of Public Health, 1975. Cross-Connection Control Regula- tion in Washington State, Washington State Dept. of Social and Health Services, Denver, Colorado, 1974. Second Edition.
During 2014, the Cross Connection Control Program continued to exceed the anticipated frequency milestones set forth in the Revised 2007 FAD (NYSDOH 2014), except for two categories which are tracking close to but below the anticipated frequency (Response to cross connection control complaints, Review requests for exemption from cross connection control requirements).
First, it is necessary to understand some basic hydraulics which govern the principles of backflow and cross-connection control. Pressure. Pure water at sea level weighs 62.4 pounds per cubic foot. Thus, if the base of a cubic foot is divided into 144 one-inch squares, the weight of the column of water one foot high covering a square inch area ...
"Cross-connection control summary report" means the annual report that describes the status of the purveyor's cross-connection control program. "Department" means the Washington state department of health or health officer as identified in a joint plan of operation under WAC 246-290-030(1).
Conducts cross-connection surveys and inspections to identify water user premises where cross-connections are likely to occur and to determine degree of hazard. Inspects and surveys water services for the prevention, control, and elimination of contamination or pollution hazards to the City’s water supply.
Page describes cross-connection control and backflow prevention, including legal requirements, training, certification for backflow assembly testers, and related links.
3745-95-01 Backflow prevention and cross-connection control definitions. As used in this chapter of the Administrative Code: (A) (1) "Air gap separation" means the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet
Cross-connection definition is - a connection in a plumbing installation through which water may possibly pass to or come in contact with another part (as a water inlet in a bathtub that may at times be below the water level of the tub).
Plumbing CROSS CONNECTIONS - Health & Safety Risks from Plumbing Cross Connections. Definition of plumbing cross connection: a plumbing cross-connection is defined as any physical connection or arrangement between potable water and any source of contamination.Examples of cross connections are shown at left.