Ohio Admin. Code 3745-95-05 - Type of protection required
(A) The type of protection required under
paragraphs (A), (B), (C) and
(D)
(C) of
rule
3745-95-04
of the Administrative Code shall depend on the degree of hazard which exists as
follows:
(1) An approved air gap separation
shall be installed where a public water system may be contaminated with
substances that could cause a severe health hazard.
(2) An approved air gap separation, an
approved reduced pressure principle backflow prevention assembly or an approved
reduced pressure detector check assembly shall be installed where a public
water system may be contaminated with any substance that could cause a system
or health hazard.
(3) An approved
air gap separation, an approved reduced pressure principle backflow prevention
assembly, an approved reduced pressure principle-detector check assembly, an
approved double check valve assembly or an approved double check-detector check
valve assembly shall be installed where a public water system may be
contaminated with any substance that could cause a pollutional
hazard.
(B)
The type of protection
For an approved connection to an auxiliary water system
for dual water supplies, as required under paragraph
(E)
(C) of
rule
3745-95-04
of the Administrative Code, the type of protection
required shall be an approved air gap separation or an approved
interchangeable connection. A removable spool piece connection is not an
acceptable method.
(C) Where an
auxiliary water system is used as a secondary source of water for a fire
protection system, the provisions of paragraph (B) of this rule for an approved
air gap separation or an approved interchangeable connection may be waived by
the director, provided the following conditions exist:
(5)(4) The water in the
fire protection system shall be used for fire protection only, with no other
use of water from the fire protection system downstream from the approved
backflow prevention device
preventer .
(1) At premises where the auxiliary water
system may be contaminated with substances
contain contaminants that could cause a system,
health or severe health hazard, a public water system or a consumer's water
system shall be protected against backflow by installation of an approved
reduced pressure principle backflow prevention assembly or an approved reduced
pressure principle-detector check assembly.
(2) At all other premises, a public water
system or a consumer's water system shall be protected against backflow by
installation of an approved reduced pressure principle backflow prevention
assembly, an approved reduced pressure principle-detector check assembly, an
approved double check valve assembly or an approved double check-detector check
valve assembly.
(3) A public water
system or a consumer's water system shall be the primary source of water for
filling the fire protection system.
(4) The fire protection system shall
be normally filled with water from a public water system or a consumer's water
system.
(D) An exception to the requirement in
paragraph (A)(2) of this rule may be applied when mitigating the health hazard
associated with a water-only, residential-type irrigation system that is not
subjected to backpressure and is not equipped with pumps or other prime movers
which can create backpressure to the public or the consumer's water system. In
this instance, an approved pressure vacumm
vacuum breaker can be
used to isolate
installed at the
service line
cross-connection to the irrigation system
in lieu of installing a
may be used as the containment
assembly at the service connection
backflow preventer. An approved pressure vacuum breaker
is one that is approved, in accordance with the rules adopted by the board of
building standards pursuant to chapters 3781. and 3791. of the Revised Code, by
a local building department certified to enforce the plumbing code, a health
department having a plumbing enforcement program, or the division of industrial
compliance, whichever has jurisdiction for plumbing enforcement. . The
same maintenance and testing requirements
as outlined in rule
for containment assemblies
3745-95-06 of the Administrative Code apply. This
exception does not apply if an additive is used within the irrigation system.
The supplier of water may determine other hazards exist that warrant
additional containment
a higher level of protection
at the service connection.
Notes
Promulgated Under: 119.03
Statutory Authority: 6109.04
Rule Amplifies: 6109.04, 6109.13
Prior Effective Dates: 07/01/1972, 11/26/1980, 05/01/2003, 10/26/2015
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