Ordinance No. 80-92-50 v ORDINANCE NO. 80-92-50
AN ORDINANCE OF THE CITY OF ATLANTIC BEACH, AMENDING
CHAPTER 22, UTILITIES, ARTICLE II, WATERWORKS
SYSTEM, ADDING SECTIONS 22-42 AND 22-43 DEFINING AND
REGULATING CROSS CONNECTIONS AND BACKFLOW DEVICES,
AND PROVIDING AN EFFECTIVE DATE
BE IT ORDAINED by the City Commission of Atlantic Beach, Florida,
as follows:
Section 1. Chapter 22, Article II is hereby amended to add Sections
22-42 and 22-43 as follows:
Section 22-42. Definitions
"Cross connection" means any physical arrangement whereby a public water
supply is connected, directly or indirectly, with any other water supply
system, sewer, drain, lawn sprinkler, conduit, pool, storage reservoir,
plumbing fixtures, appliances, or other devices which contain or may
contain contaminated water, sewage or other waste or liquid of unknown
or unsafe quality which may be capable of imparting contamination to the
public water supply as the result of backflow. Bypass arrangements,
jumper connections, removable sections, swivel or changeable devices and
other temporary or permanent devices through which or because of which
backflow could occur are considered to be cross connections.
Section 22-43. Cross Connections and Backflow Devices
1. No consumer of water from the city water system shall have a cross
connection or potential cross connection either inside or outside
of any building or buildings without a backflow prevention device
being installed to prevent any and all backflow.
2. Only the following are considered to be backflow prevention devices
and shall be installed in agreement with and under supervision of
the supplier of water or his designated representative:
a. Air gap separation. A physical separation between the free
flowing discharge end of a potable water supply pipeline and
an open or nonpressure receiving vessel. This gap must be at
least double the diameter of the supply pipe measured
vertically above the rim of the vessel and in no case less
than one inch.
b. Reduced pressure backflow preventer. A device containing
within its structure a minimum of two (2) independently
acting, approved check valves, with an automatically operating
pressure differential relief valve located between the two (2)
check valves that will discharge to the atmosphere if the
check valves should fail. This unit shall include tightly
closed shut-off valves located at each end of the device and
each device shall be fitted with properly located test cocks.
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Ordinance No. 80-92-50
c. Atmospheric vacuum breaker. This device is operated by
atmospheric pressure in combination with the force of gravity.
The unit is designed to work on a vertical plane only. The
one moving part consists of a poppet valve which must be
carefully sized to the slide in a guided chamber and
effectively shut off the reverse flow of water when there is a
negative pressure.
d. Pressure vacuum breaker. This device is similar to an
atmospheric vacuum breaker except that the checking unit
"poppet valve" is activated by a spring and does not require a
negative pressure to react.
e. Double check valve assembly. An assembly composed of two (2)
single, independently acting drip tight check valves,
including tightly closing shut-off valves at each end and
suitable connections for testing the water tightness of each
check valve.
3. The city or its representatives with proper identification may
enter at any time inside or outside of any building or buildings
for the purpose of checking for cross connections. If a cross
connection or potential cross connection is found, the city shall
have the right to discontinue water services until the problem has
been corrected by elimination or until a proper backflow prevention
device has been installed. All backflow prevention devices will be
checked periodically by a city representative to insure proper
operation.
4. These provisions relative to a cross connection have been
established for the protection of all the inhabitants of the city
an to comply with Chapter 17-22.107(4) , Florida Administrative
Code.
5. All water services and plumbing fixtures shall conform to the
latest edition of the "City of Atlantic Beach Cross Connection
Control Policy Manual."
Section 2. This ordinance shall take effect immediately upon its
final passage.
Passed by the City Commission on first reading this 28th day of
September , 1992.
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Ordinance No. 80-92-50
Passed by the City Commission on second and final eading this 12th
day of October , 1992.
i
AL 1 I 1 ,J-
`9r riam'ulli .rd
_ I
Mayor/Presiding Off
,.....„.4...,a„... 7 ,L
Maureen King
City Clerk
Approved as to form and correctness:
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an -d-.-/:-- sen, Esquire
City At ey
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