As used
Except as follows, the definitions in
this chapter
rule
3745-81-01
of the Administrative Code apply to this
chapter:
(A)
(1) "Air gap separation" means the
unobstructed vertical distance through the free atmosphere between the lowest
opening from any pipe or faucet supplying water to a tank, plumbing fixture, or
other device and the flood level rim of the receptacle.
(2) "Approved" means that a backflow
prevention assembly, device, or method
preventer has been accepted by the supplier of
water and the director as suitable for the proposed use.
(3) "Auxiliary water system" means any water
system on or available to the premises other than the public water system.
These auxiliary
Auxiliary water systems
shall include used water or water from a source
other than the public water system, such as wells, cisterns or open reservoirs
that are equipped with pumps or other prime movers, including
gravity.
(B)
(1) "Backflow" means the flow of water or
other liquids, mixtures, or substances into the distributing pipes of a
potable
public water
supply
system from
any source other than the intended source of the
potable
public water
supply
system.
(2) "Backflow preventer" means any assembly,
device, method or type of construction intended to prevent backflow into a
potable
public water system.
This
definition applies wherever "backflow prevention device" is used in this
chapter.
(3) "Booster
pump" means any device which is intended to increase the in-line water
pressure.
(C)
(1) "Consumer" means the owner or person in
control of any premises supplied by or in any manner connected to a public
water system.
When the consumer and the supplier of
water are the same person, any requirements imposed on the consumer by this
chapter apply to the supplier of water.
(2) "Consumer's water system" means any water
system, located on the consumer's premises, supplied by or in any manner
connected to a public water system. A household plumbing system is considered
to be a consumer's water system.
(3) "Containment principle backflow
preventer" is a backflow preventer
, installed in a
consumer's water system, that is intended to
contain the water within the premises in order
to prevent any
polluted or
contaminated water
with contaminants
from backflowing into the public water system.
Typically, the
For single
property community public water systems and for noncommunity public water
systems, a containment principle backflow preventer is
placed
installed at the
service
connection
actual or potential
cross-connection. For all other community public water systems, containment
principle backflow preventers are installed on each service connection to a
consumer's water system, unless
placement
is otherwise specified
by rule
herein
in this chapter.
(4) "Cross-connection" means any
physical connection or arrangement whereby
backflow can occur.
(D)
(1) "Degree of hazard" is a term derived from
an evaluation of the potential risk to health and welfare.
(2) "Director" means the director of
environmental protection or the director's duly authorized
representative.
(3)(2) "Double check valve
assembly" means an assembly composed of two single, independently acting, check
valves including tightly closing shutoff valves located at each end of the
assembly and suitable connections for testing the watertightness of each check
valve.
(4)(3) "Double
check-detector check valve assembly" means a specially designed assembly
composed of a line-size approved double check valve assembly with a specific
bypass water meter and a meter-sized approved double check valve assembly. The
meter shall register accurately for only very low rates of flow and
shall show a registration for all rates of
flow.
(E)
[Reserved.]
(F)
[Reserved.]
(1)(H)
"Health hazard" means any condition, device, or practice in a water system or
its operation that creates, or may create, a danger to the health of users.
(2) "Human consumption" means the
ingestion or absorption of water or water vapor as the result of drinking,
cooking, dishwashing, hand washing, bathing, showering or oral
hygiene.
(I)
(I)(1)
"Interchangeable connection" means an arrangement or device that will allow
alternate but not simultaneous use of two sources of water and includes an
approved reduced pressure principle backflow prevention assembly or an approved
reduced pressure principle-detector assembly on the public water system side of
the connection.
(2)
"Isolation backflow prevention device" means a device
for the prevention of the backflow of liquids, solids, or gases that is
regulated by the plumbing code adopted pursuant to section
3781.10
of the Revised Code
(J) [Reserved.]
(K) [Reserved.]
(L) [Reserved.]
(M) [Reserved.]
(N) [Reserved.]
(O) [Reserved.]
(P)
(1) "Person" means the state, any
political subdivision, public or private corporation, individual, partnership,
or other legal entity.
(2)(1) "Pollutional
hazard" means a condition through which an aesthetically objectionable or
degrading
material
contaminant, which is not dangerous to the public
water system or health of users, may enter the public water system or portion
of a consumer's water system.
(3) "Potable water" means water
intended for human consumption.
(4)(2) "Premises" means
any building, structure, dwelling or area containing plumbing or piping
supplied from a public water system.
(5)(3) "Pressure vacuum
breaker" means an assembly composed of an independently acting spring loaded
check valve located downstream of an independently acting spring loaded air
inlet valve including, tightly closing shutoff valves located at each end of
the assembly and suitable connections for testing the integrity of the air
inlet and check valves.
(6)(4) "Process fluids"
means any fluid or solution which may
be chemically,
biologically or otherwise contaminated or polluted
contain contaminants in a form or concentration
such as would constitute a pollutional, system, health or severe health hazard
if introduced into the public water system or portion of a consumer's water
system. This includes, but is not limited to the following:
(a) Polluted or contaminated
waters.
(b)(a) Process
waters.
(c)(b) Used waters
originating from a public water system which may have deteriorated in sanitary
quality.
(d)(c) Cooling
waters.
(e)(d) Contaminated
natural waters taken from wells, lakes, streams or irrigation
systems.
(f)(e) Chemicals in
solution or suspension.
(g)(f) Oils, gases, acids,
alkalis, and other liquid and gaseous fluids used in industrial or other
processes, or for fire fighting purposes.
(7) "Public water system" has the
same meaning as in rule
3745-81-01
of the Administrative Code.
(Q) [Reserved.]
(R)
(1)
"Reduced pressure principle backflow prevention assembly" means an assembly
containing a minimum of two independently acting check valves together with an
automatically operated pressure differential relief valve located between the
two check valves. During normal flow and at the cessation of normal flow, the
pressure between these two checks shall be less than the supply pressure. In
case of leakage of either check valve, the differential relief valve, by
discharging to the atmosphere, shall operate to maintain the pressure between
the check valves at less than the supply pressure. The unit
must
shall
include tightly closing shutoff valves located at each end of the assembly, and
each assembly shall be fitted with properly located test cocks.
(2) "Reduced pressure principle-detector
assembly" means a specially designed assembly composed of a line-size approved
reduced pressure principle backflow prevention assembly with a specific bypass
water meter and a meter sized approved reduced pressure principle backflow
prevention assembly. The meter shall register accurately for only very low
rates of flow and shall show a registration
for all rates of flows.
(S)
(1) "Service connection," for the
purposes of this chapter, means the terminal end of a service line from the
public water system. If a meter is installed at the end of the service, then
the service connection means the downstream end of the meter.
(2)(1)
"Severe health hazard" means a health hazard to users that could reasonably be
expected to result in significant morbidity or death.
(2)
"Single property
community water system" means a community water system as defined in paragraph
(P)(11)(a) of rule
3745-81-01
of the Administrative Code that is located on a single property or contiguous
properties under the ownership or control of a single person.
(3) "Supplier of water" means the
owner or operator of a public water system.
(4)(3)
"System hazard" means a condition posing an actual or potential threat of
damage to the physical properties of the public water system or a consumer's
water system.
(T)
[Reserved.]
(U) "Used water" means
any water supplied by a supplier of water
from a public water system to a consumer's water system after the
water has passed through the service connection and is no longer under the
control of the supplier.
(V)
[Reserved.]
(W)
(1) "Water system" means a system for the
provision of piped water or process fluids, and includes any collection,
treatment, storage or distribution facilities used primarily in connection with
such system.
(2) "Weep holes" means
a series of small diameter holes located in the wall of the supply pipe for a
yard hydrant that allow for drainage of accumulated water from the delivery
piping. These holes are usually part of a plunger and valve system that seals
off the holes during water usage and opens the holes during shutdown. These
openings are located below ground level and below the frost line in areas where
the threat of freezing exists.
(X) [Reserved.]
(Y)
"
"Yard hydrant
"
" means a device that is located outside of a
building, equipped with a valved mechanism that controls the delivery of
potable water, and is not designed to supply a fire department
pumper.
(Z) [Reserved.]
(AA)
Referenced
materials. This chapter includes references to certain subject matter or
materials. The text of the referenced materials is not included in the rules
contained in this chapter. Information on the availability of the referenced
materials as well as the date of and the particular edition or version of the
material is included in this rule. For materials subject to change, only the
specific version specified in this rule are referenced. Material is referenced
as it exists on the effective date of this rule. Except for subsequent annual
publication of existing (unmodified) Code of Federal Regulation compilations,
any amendment or revision to a referenced document is not referenced unless and
until this rule has been amended to specify the new dates.
(1)
Availability. The
referenced materials are available as follows:
(a)
"American
National Standards Institute/American Water Works Association" (ANSI/AWWA). A
copy may be obtained from "AWWA Bookstore, 6666 W. Quincy Avenue, Denver, CO,
80235," (303) 794-7711,
www.awwa.org
. The standards
are available for review at "Ohio EPA, Lazarus Government Center, 50 West Town
Street, Suite 700, Columbus, OH, 43215."
(b)
"American
National Standards Institute/National Sanitation Foundation" (ANSI/NSF). A copy
may be obtained from "NSF International, 789 N. Dixboro Road, P.O. Box 130140,
Ann Arbor, MI 48105," (734) 769-8010,
www.nsf.org
. The standards
are available for review at "Ohio EPA, Lazarus Government Center, 50 West Town
Street, Suite 700, Columbus, OH, 43215."
(c)
"American Society
of Mechanical Engineers" (ASME). A copy may be obtained from "ASME, Three Park
Avenue New York, NY 10016-5990 or, a copy may be obtained from Global
Engineering Documents, 15 Inverness Way East, Englewood, CO 80112, (303)
397-7956 or (800) 854-7179, global.ihs.com. The standards are available for
review at "Ohio EPA, Lazarus Government Center, 50 West Town Street, Suite 700,
Columbus, OH, 43215-3425."
(d)
"American Society
of Sanitary Engineering" (ASSE). A copy may be obtained from "American Society
of Sanitary Engineering, 901 Canterbury Road, Suite A, Westlake, OH,
44145-1480", (440) 835-3040,
www.asse-plumbing.org
or from "Global Engineering Documents, 15 Inverness Way
East, Englewood, CO, 80112" (303) 397-7956 or (800) 854-7179, global.ihs.com.
The standards are available for review at "Ohio EPA, Lazarus Government Center,
50 West Town Street, Suite 700, Columbus, OH, 43215-3425."
(e)
"Canadian
Standards Association" (CSA). A copy of these documents may be obtained from
Canadian Standards Association, 5060 Spectrum Way, Suite 100, Mississauga,
Ontario, L4W 5N6, Canada,
www.csa.ca/default.asp?language=english
. These documents are available for review at Ohio EPA,
Lazarus Government Center, 50 West Town Street, Columbus, OH,
43215-3425.]
(f)
"Foundation for Cross Connection Control and Hydraulic
Research, University of Southern California." A copy of "Manual of
Cross-connection Control" tenth edition, may be obtained from the "Foundation
for Cross Connection Control and Hydraulic Research, University of Southern
California, Research Annex 219, 3716 Hope Street, Los Angeles, CA 90089-7700,"
(866) 545-6340,
www.usc.edu/dept/fccchr
.
(2)
Referenced
materials:
(a)
"ASME A112.1.2, Air Gaps in Plumbing Systems,"
2012.
(b)
"ASME A112.1.3, Air Gap Fittings for Use with Plumbing
Fixtures, Appliances, and Appurtenances," 2000, reaffirmed
2015.
(c)
"ASSE 1013, Performance Requirements for Reduced
Pressure Principle Backflow Prevention Assemblies," 2011.
(d)
"ASSE 1015,
Performance Requirements for Double Check Backflow Prevention Assemblies,"
2011.
(e)
"ASSE 1020, Performance Requirements For Pressure
Vacuum Breaker Assemblies," 2004.
(f)
"ASSE 1047,
Performance Requirements For Reduced Pressure Detector Fire Protection Backflow
Prevention Assemblies," 2011.
(g)
"ASSE 1048,
Performance Requirements for Double Check Detector Fire Protection Backflow
Prevention Assemblies," 2011.
(h)
"ASSE 1056,
Performance Requirements for Spill Resistant Vacuum Breaker Assemblies,"
2013.
(i)
"ASSE 1057, Performance Requirements for Freeze
Resistant Sanitary Yard Hydrants with Backflow Protection,"
2012.
(j)
"ASSE 1060, Performance Requirements For Outdoor
Enclosures For Fluid Conveying Components," 2006.
(k)
"AWWA C510,
Double Check Valve Backflow Prevention Assembly," 2007.
(l)
"AWWA C511,
Reduced-Pressure Principle Backflow Prevention Assembly," 2007.
(m)
"CSA B64 Series"
2011, reaffirmed in 2016, as follows:
(i)
"B64.1.2,
Pressure vacuum breakers (PVB)."
(ii)
"B64.1.3, Spill
Resistant Pressure Vacuum Breaker (SRPVB)."
(iii)
"B 64.4,
Reduced pressure principle (RP) backflow preventers."
(iv)
"B64.4.1,
Reduced pressure principle backflow preventers for fire protection systems
(RPF)."
(v)
"B 64.5, Double check valve (DCVA) backflow
preventers."
(vi)
"B64.5.1, Double check valve backflow preventers for
fire protection systems (DCVAF)."
(n)
"Foundation for
Cross Connection Control and Hydraulic Research, University of Southern
California, "Standards for Backflow Prevention Assemblies contained in Chapter
10 of the Manual of Cross-Connection Control" tenth edition
(2009)."
(o)
"Great Lakes-Upper Mississippi River Board of State and
Provincial Public Health and Environmental Managers', Recommended Standards for
Water Works" (2018).