HomeMy WebLinkAboutOrdinance - 2007-O0056 - Adopting 2000 Internatational Plumbing And Residential Code - 06/14/2007First Reading
May 24, 2007
Item No. 6.9
ORDINANCE NO. 2007-00056
Second Reading
June 14, 2007
Item No. 5.7
AN ORDINANCE AMENDING CHAPTER 6 017, THE',' CODE OF
ORDINANC[?S OF '['HE CITY OF LUBBOCK, TEXAS, BY ADDING NEW
SECTIONS 6-82, 6-100.1, 6-100.2 AND 6-100.3, WITH REGARD TO THE
ADDITION OF LOCAL PROVISIONS AFFECTING 'FEE 2000 INTERNATIONAL
PLUMBING AND RESIDENTIAL CODES AND RELATING TO BACKFLOW
PREVENTION AND THE ESTABLISHMENT OF A BACKFLOW PREVENTION
DEVICE TESTING PROGRAM CONFORMING TO THE REQUIREMENTS OF THE
TEXAS COMMISSION ON ENVIRONMENTAL QUALITY; PROVIDING A
SAVINGS CLAUSE; PROVIDING A PENALTY CLAUSE; AND PROVIDING FOR
PUBLICATION,
WHEREAS, the City Council of the City of Lubbock finds and detcrillines that it
is necessary to protect the health, safety and welfare of its citizens by regulating and
controlling connections to the potable water system of the City and to prohibit any
connection to the potable water system that has a potential for contamination or pollution
of the potable water system; and
WHEREAS the State of Texas, through its statutes and the regulations and rules
of the Texas Commission on Environmental Quality ("TCEQ"), requires protection of the
public water supply through appropriate cross connection control measures and local
administralion ofa backflow prevention device tcs(ing program; anal
In
WHERE"AS, the City Council of the City of Lubbock finds and determines that it
is In (lie best interest of the health, sal'cty, and welfare of the citizens of the City of
Lubbock to make the following arneridnicrits to Chapter 6 of the Code of Ordinances of
the City of Lubbock. NOW, THEREFORE,
BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF LUBBOCK:
SECTION 1. THAT Section 6-82 of the Code of Ordinances, City of Lubbock.
Texas, is hereby amended to read as follows:
See. 6-82. Deffilitions.
1701- the Purposes of"Section 6-100.1, Section 6-100.2 and Section 6-100.3
ortlic Code of'Ordinances of the City 01-1-Aitkock, and Section 312.9 and Section
608 of the 2000 International 1111.11"llbil7il, Code, Sections P2503.7 and P2902 of the
2000 International Residential Code, and the USC Manual of Cross -Connection
Control, American Water Works Association N414 MZ1111.1al, (Ile f'0110WInc,
defillitions Shall apply. In the event of conflict between the definitions set forth
below and the definitions provide(] in the 2000 International Plumbing, 2000
International Residential Codes, the USC Manual of Cross -Connection Control,
American Water Works Association M 14 Manual, for the Purposes of* Sections 6-
100.1, 6-100.2 and 6-100.3 of the Code of Ordinances of the City of Lubbock, the
definitions set forth below shall control.
(1) Air gap shall irican the unobstructed vertical distance thl-01.1gil the
free atmosphere between the lowest opening from any pipe or faucet
conveying water to a tank, fixture, receptor, sink, or other assembly and
tile flood level rim of the receptacle. The vertical, physical separation must
be at least twice the diameter of the water Supply outlet, but never less
than 1.0 inch. Ali air gap may also be a horizontal space between two
pipes at no less than 6.0 Inches.
(2) Apj)roveel shall mean accepted by the authority responsible as
meeting an applicable specification, stated or cited in this ordinance or as
suitable for the proposed use.
(3) Auxiliai-v imter supp�j, shall mean any water supply on or available
to the premises other than the purveyor's approved public water Supply
that presents a potential contamination hazard of tile public water system.
These auxiliary waters may include water from another purveyor's public
water supply or any natural source(s) such as a well, spring, river or
stream or used waters; or industrial fluids. These waters may be
contaminated or polluted or they may be objectionable and constitute ',in
unacceptable water source over which the water purveyor does not have
sanitary control.
(4) Back loin shall mean the undesirable reversal of flow in a public
water distribution system as a result of a cross connection.
(5) Backfloiv 1,)revention assembly shall mean an approved assembly
to counteract backpi-CSSUI-C or prevent backsipbonage.
(6) Backflow prevention assembly test and maintenance rej)orl shall
mean the report required for each backilow prevention assembly upon
initial installation and periodically thereafter as required, giving evidence
that the backflow prevention assembly has been properly selected based
on the degree of hazard, and has been properly installed and tested in
accordance with applicable standards, and showing the results of this test.
The completed (brin will be forwarded to the Building Inspection
Department of the City For documentation and forwarded to the water
purveyor for annual record keeping.
(7) Backflovv Prevention Assemb4, Tester, Bacicflow Tester, or
General !'ester shall mean a backflow assembly device tester who is
qualified to test bacifflow prevention assemblies on any domestic,
commercial, industrial or irrigation service (excepting firelines). This
person must be licensed by TCEQ and registered with the City.
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Page 2 of 17
(8) Backpressure shall ineart pressure created by any means in the
water distribution system, which by being In OXCCSS Of the j)rCSSUre in the
water supply mains causes it potential backflow condition.
(9) Backsiphonage shall ineari the backflow of potentially
contaminated water into the potable water system as a result Of the
pressure in the potable water system falling below atmospheric pressure of
the pluiribing fixtures, pools, tanks or vats connected to the potable water
distribution piping.
(10) Building Qfficial shall mean the officer charged with the
enforcement of the building, plumbing, mechanical, electrical, fuel gas,
and energy conservation codes of the City, or his duly authorized
representative. For purposes of' this Ordinance, all Texas -licensed
plumbing inspectors under the Supervision of the Building Official are his
duly authorized representatives.
(11) lyj)ass Arrangeinews shall mean any juniper connections,
removable section, unions, swivels or change -over devices and other
temporary or permanent devices through which or because of which
backflow can occur.
(12) Contamination shall mean all impairment Of the ClUality of the
potable water that creates an actual hazard to the public health through
poisoning or through the spread of disease by sewage, industrial fluids or
waste.
(13) Cross connection shall mean a physical connection or bypass
arrangement between a public water system an(] cither another supply of
unknown Or questionable quality, or another source that may contain
contaminating or polluting Substances, any source of water treated to a
lesser degree in the treatment process, or any steam, gas or chemical
system.
(14) Cross connection control device shall mean any nationally
approved or recognized device placed upon any connection, physical or
otherwise, between a potable water supply system and any plumbing
fixture or any tank, receptacle, equipment or device, which is designed to
prevent nonpotable, used, unclean, polluted and contaminated water, or
other substance, from entering into any part of such potable water system
under any condition or set of conditions.
(t 5) Cross co7iiiectioiis-colili-oll(--,c1 shall mean a connection between a
public water system and a nonpublic water system with an approved
backflow prevention assembly properly installed and maintained so that it
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Page 3 of 17
will continuously afford the protection commensurate with the degree of
hazard,
(10) Cl-oss connection conlrol by containment shall mean the
installation of an approved backilow prevention assembly at the water
service connection to any customer's premises, where it is physically or
economically unfeasible to find and permanently eliminate or control all
cross connections or potential contamination hazards, within the
customer's water system; or it shall mean the installation of an approved
backflow prevention assembly on the service line leading to and SLIpplying
a portion of a customer's water system where there are cross connections
or potential contamination hazards, that cannot be effectively eliminated
or controlled at the point of the cross connection.
(17) Customer1prqI.)er1,,y ovi,nei- shall mean the owner, as determined by
the real property records of Lubbock County, Texas, or the agent of the
owner in responsible charge of the subject premises. For purposes of this
ordinance, a licensed plumber and/or irrigator shall be deemed to be an
agent of the owner when performing work under the scope of this
ordinance pursuant to a plumbing and/or irrigation permit,
I Z3
(18) Customer- service hisIxclion shall mean an inspection designed to
detect any actual or potential point of contamination of the potable water
system and/or cross connection hazards.
(19) Degree of hazard shall mean the non -health hazard or health
hazard classification that shall be attached to all actual or potential cross
connections,
(a) Non -health hazard shall mean a cross conricction or potential
cross connection involving any substance that generally would not
be a health hazard but would Constitute a nuisance or be
aesthetically objectionable, if introduced into a public water
supply.
(b) Health hazard shall mean the classification assigned to a cross
connection or potential contamination hazard or other situation
involving any Substance that can caLISC illness, death, spread of
disease or has a high probability of causing Such effects if
introduced into the potable drinking water supply.
(20) Double check i,alve backfloiv asseinbl ' V (19CKA), double check
assembl)� and e1ouhle check (DC) shall mean an assembly consisting of
two independently acting, approved check valves, including tightly closing
resilient seated shutoff valves attached at each end of the assembly and
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Page 4 of 17
fitted properly located resilient seated test cocks. This assembly shall only
be used to protect against a non -health hazard.
(21) Fireline tester shall mean a tester who is qualified to test backflow
prevention assemblies on firelines. This person must be licensed by
TCEQ and registered with the City.
I
(22) Licensed I?rqfessional shall mean any individual, or their
representative, that must maintain a license obtained through a
professional licensing board in order to conduct their business under state
law.
(23) Nonpotable, water- shall mean water not safe for drinking, personal
Or Culinary utilization.
(24) Pollution shall mean an impairment of the quality of the potable
water to a degree that does not create a hazard to the public health but that
does adversely and unreasonably affect the aesthetic qualities of such
potable water for domestic use.
(25) Point of use isolation shall mean the appropriate backnow
prevention within file C011SUrner's water system at the point at which the
actual or potential cross connection exists.
(26) Potable ivater shall mean water free from impurities present in
amounts sufficient to cause disease or harmful physiological effects and
conforming to the bacteriological and chemical quality requirements of the
Public Health Service Drinking Water Standards or the regulations of any
'
public health authority having jurisdiction over such matters.
(27) Potential contamination hazard shall mean a condition which, by
its location, piping or configuration, has a reasonable probability of being
t,>
used incorrectly, through carelessness, ignorance, or negligence,
gence, to create
or cause to be created a backflow condition by which contamination can
be introduced into the public water supply. E�xarnples of potential
contamination hazards are:
(A) bypass arrangements;
(B) juniper connections;
(C) removable sections or spools; and
(D) swivel or changeover assemblies.
(28) Public Health Service Drinking 144ater Standards shall mean the
standards set forth in 30 TAC 290 Subchapter F, as may be amended from
time to time.
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(29) Rediteeell.)i-essiti-epi-iiiciple baclJ7owprevention asseinbl)� (RPBA),
)-educed pre sine principle asseinbl)), ff'Z or RP asseinbl)) shall incan a
backflow prevention device consisting of two independently acting check
valves, internally force -loaded to a normally closed position and separated
by an intermediate charnber (or zone) in which there is an automatic relief
means of venting to the atmosphere, internally loaded to a normally open
position between two tightly closing shutoff valves and with a means for
testing for tightness of the checks and opening of the relief means.
(30) Repair of an irrigation systcrn shall mean the reconstruction or
renewal of any part of ,in existing irrigation system, including without
limitation, installation of a backflow prevention device, adding additional
irrigation zones, reparation of a main irrigation line and valve
replacement. For the purpose hereof, the replacement of a control box or
sprinkler head(s) shall not be dccrncd to be a repair.
(3) 1 ) Service connection shall mean the point of delivery where the
water purveyor loses control over the water.
(32) Used ivater shall mean any water Supplied by a water purveyor
from a public water system to a consumer's water system after it has
passed through the point of delivery or service connection and is no longer
under the sanitary control Of the water purveyor.
(3) 3) Water purveyor shall mean the Director in charge of the water
department of the City of Lubbock, who is vested with the authority and
responsibility for the implementation of an effective cross Connection
control program and for the enforcement of the provisions of this
ordinance.
SECTION 2. THAT Section 6-100.1 of the Code of Ordinances of the City of
Lubbock, Texas, is hereby arriended to read as follows:
See. 6-100.1 General.
Section 6-100.1, Section 6-100.2, and Section 6-100.3 of the Code of
Ordinances of the City of Lubbock are intended to supplement the USC Manual
of Cross-Conncction Control, American. Water Works Association N114 Manual,
Section 312.9, "Inspection and Testing of Backflow Prevention Assemblies", and
Section 608, "Protection of Potable Water Supply" of the 2000 International
Plumbing Code, as well as Sections P2503.7 and P2905 of the 2000 International
Residential Code, both codes baving been previously adopted as a part of the
Code of Ordinances of the City of Lubbock, Texas. In the event of any conflict
between the USC Manual of Cross -Connection Control, American Water Works
Association M14 Manual, Sections 312.9 or 608 of the 2000 International
Plumbing Code or Sections P2503.7 or P2905 of the 2000 International
Backflow Ordinance
Page 6 of 17
Residential Code and Section 6-100,1, Section 6-100.2, and Section 6-100.3 of'
the Code of Ordinances of the City of Lubbock, Texas, the provisions of Section
6-100.1, Section 6-100,.2, and Section 6-100.3 of the Code of Ordinances of the
City Of Lubbock shall control. Section 6-100.1, Section 6-100.2, and Section 6-
100.3 of the Code of Ordinances of the City of Lubbock shall be liberally
construed to protect the public health and safety of the citizens of the City of
Lubbock, Texas.
SECTION 4. THAT the Code of Ordinances of the City of Lubbock, Texas, is
hereby amended by adding a new Section to be numbered Section 6-100,2, which said
Section shall read as follows:
Sec. 6-100.2. Responsibilities of the Water Purveyor, User,
Customer/Property Owner and Backflow Prevention Assembly
Tester.
(a) Responsibilities of water purveyor,
(1)(i) No water service connection to any promises shall be installed or
maintained by the water PLUTCYOr unless the water supply is protected
as required by state law, Including without limitation, 30 TAC
290.44(h), 30 TAC 290.460), 30 TAC 290.47(i), 30 TAC 344.73 and
30 TAC 344.75, as same may be amended from time to time. Service
of water, Subject to the provisions of Sections 6-100.1, 6-100.2, or 6-
100.3 of the Code of Ordinances of the City of Lubbock, or Sections
312,9 or 608 of the 2000 International Plumbing Code, or Sections
P2503.7 or P2902 of the 2000 International Residential Code, as
applicable, to any promises shall be discontinued by the water
purveyor if a backflow prevention assembly required by this Ordinance
is not installed properly, tested and maintained, or if it is found that a
backflow prevention assembly has been removed, bypassed, or if all
unprotected cross connection exists on the promises. Service will not
be restored Until Such conditions or defects are corrected.
(ii) For new facilities, permanent water service shall not be provided
until all testable backflow prevention assemblies have been tested and
are operational. Except in cases where the testing of backflow
prevention assemblies must be delayed until the installation of internal
production or auxiliary equipment, City shall not approve any
certificate Of Occupancy until all backflow prevention asserriblics have
been tested and are operational.
(2) Customer service inspection.
(i) A CLIS(OnlCr set -vice inspection for cross connection control shall
be completed by the City water purveyor prior to providing
continuous water service in each of the following circumstances.
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(a) Water service to a newly constructed facility, in which case
the customer service inspection shall be perforl-ried ill
conjunction with or near the same time as the plumbing Final
inspection conducted by the Building Official.
(b) Any correction, addition or improvement to the water
service or water distribution plumbing of any facility or
premises, except for minor repair and maintenance work
exempted from permitting by Section 106.2 of the 2000
International Plumbing Code, or in cases where an approved
RPBA bacifflow prevention device has been installed at the
point of water service comiection such that premises isolation
is achieved, and said device has been verified as having been
properly tested and maintained as provided herein. Whcre non-
exempt plumbing work has been performed upon the water
service or water distribution plumbing of any facility or
premises, and approved premises isolation has been provided
as described herein, the Building Official shall be solely
responsible for ensuring compliance of any such work on the
customer side of the backflow device.
(ii) A permanent water service shall not be established with regard
to a newly constructed facility until after the customer service
inspection is completed.
(111) Temporary water service, for Construction or other purposes,
that is found to pose a potential cross connection threat to the
potable water due to the unkliown use of the water therefore, or
other reasons or causes, shall be protected by all approved
backflow prevention assembly.
(2) If, in the judgment of the water purveyor or Building Official all
approved backilow prevention assembly is required at the
customer's/property owner's water service connection; or, within the
customer's/property owner's private water system for the safety of the
public water system, the water purveyor or the designated agent shall:
(i) Give notice in Writing to the customer/property owner to install
an approved backflow prevention asseti-ibly(s) at specific
location(s) at his/her expense, and depending on the severity of the
threat to the Public water supply, within the time frarric required by
the City and in all instances within thirty (30) days.
(fl) In the case of any premise where, in the opinion of the water
purveyor and/or building official, all imminent health threat is
posed due to cross connection or a potential contamination hazard
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water service to the facility may immediately be discontinued
without prior written notice to customer/property owner. Although
the City will attempt to provide notice as is reasonably practical,
no notice shall be required prior to discontinuance,
(4) Failure, refusal or inability on the pail of the customer/property
owner to install, have tested and maintain the backfiow prevention
assernbly(s) shall be grounds for discontinuing water service to the
premises until such requirements have been met as required by this
ordinance.
(5) Any reduction in water pressure caused by the installation of
backflow prevention assembly devices shall not be the responsibility of
the City,
(b) Responsibilities of the Custorner/Property Owner.
The customer's/property owner's system shall include those parts of the
potable water conveyance facilities beyond the termination of the utility
distribution system that are conveying potable water to the points Of use Of
customer/property owner.
(1) Bacl(flow prevention assemblies shall be installed within the
customer's/property owner's system at the customer's/property
owner's expense at any time required by Sections 6-100.1, 6-
100.2, or 6-100.3 of the Code of Ordinances of the City of
Lubbock and/or Sections 312.9 or 608 of the 2000 International
Plumbing Code, or Sections P2503.7 or P2902 of the 2000
International Residential Code, or the USC Manual of Cross -
Connection Control, American Water Works Association M14
Manual, as applicable. All backflow prevention devices must be
installed and tested as required by (i) Section 6-100.1, Section 6-
100.2, and Section 6-100.3 of the Code of Ordinances of the City
of Lubbock; and (ii) Section 312.9 and Section 608 of the 2000
International Plumbing Code; and (Iii) 30 TAC 290.44(h), 30 TAC
290.460) and 30 TAC 290.47(1).
(2) It shall be the responsibility of the customer/property owner to
verify that all applicable City plumbing and/or irrigation permits
are obtained and that the customer/property owner, or licensed
plumber or irrigator, as applicable, is in compliance with all of the
provisions of those permits. In addition to the remedies provided
herein, in the event the backflow prevention assembly is installed
by a licensed professional, failure by such licensed professional to
follow the provisions of such permit will result in written notice to
the applicable state licensing agency, in addition to being a
violation of this ordinance.
Backflow Ordinance
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expansion of the system that would trigger a requirement for
review and approval by the authority having jurisdiction, normally
being the City Fire Marshal. All fire -line backflow prevention
assemblies must be installed inside the building as determined by
Section 6-100.2 of the Code of Ordinances of the City of Lubbock.
Upon the approved installation of the backflow prevention
assembly, a cross connection test report completed by a licensed
fire -line tester must be provided to the City as required by Section
6-100.2(b)(3), above.
(8) Subject to the conditions of this Section 6-100.2(b)(8), a reduced
pressure assembly shall be the minimum protection for fire hydrant
water meters which are being used for a temporary water supply
during construction or other uses which may pose a potential
contamination hazard to the public water supply. Only City fire
hydrant water meters with approved backflow prevention
assemblies are allowed to be used within the City limits. Failure to
comply with this Section 6-100.2(b)(8) will result in the fire
hydrant meter being removed from the premise by the water
purveyor.
(9) It shall be the duty of the customer/property owner at any premises
where backflow prevention assemblies are installed to have
certified inspections and operational tests made upon installation
and at least once every three years in non -health hazard conditions.
In those instances where the water purveyor and/or building
official of the City deems the potential backflow to be a health
hazard or a potential health hazard, certified inspections shall be
required annually or at more frequent intervals as deemed
necessary by the water purveyor. All inspections and tests of
backflow prevention assemblies shall be at the expense of the
customer/property owner and shall be performed by a backflow
tester who is licensed with the Texas Commission on
Environmental Quality and registered with the water purveyor and
meeting all conditions and criteria of Section 6-100.1, Section 6-
100.2, and Section 6-100.3 of the Code of Ordinances of the City
of Lubbock.
(10) It shall be the responsibility of the customer/property owner that all
irrigation systems installed after the effective date hereof and for
an existing system in the event of a repair, shall have installed an
approved backflow prevention assembly other than an atmospheric
vacuum breaker (AVB), in the event an existing irrigation system
is repaired.
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(11) It shall be the responsibility of the customer/property owner to
have the backflow prevention assembly device tested as described
in this Ordinance. The backflow prevention assembly shall be
repaired, overhauled, or replaced at the expense of the
customer/property owner whenever said assemblies are found to be
defective. Water service shall not be restored until repairs are
complete.
(c) Responsibilities of the Backflow Prevention Assembly Tester
In addition to requirements of the backflow prevention assembly tester set
forth in other parts of this Ordinance, backflow prevention assembly testcr
shall also comply with the following:
(1) The backflow prevention assembly tester shall perform competent
tests, issuing corripIcte, accurate and legible reports of backflow
prevention assemblies tested, and filing backflow prevention
assembly test and ruairitcriance reports as prescribed by this
Ordinance. rest reports shall be submitted to the Water Purvcyor
Office of the City, within (10) ten days of the testing by the
backflow prevention assembly tester of the installation,
replacement, or repair of the backflow assembly.
(2) Prior to performing any testing of backflow prevention assemblies
within the City of Lubbock, a licensed backflow prevention
assembly testcr must be registered annually with the City in
accordance with this Section.
(a) Eligibility for registration shall be conditioned upon applicant
providing proof to the City that they are Currently licensed as a
backflow prevention assembly tester by the Texas Commission
on Environmental Quality.
(b) Each applicant for registration shall furnish evidence to the
City to show that he/she has available the necessary tools and
equipment to properly test and certify such assemblies. Serial
numbers of all test gauges shall be registered with the City
annually and shall be listed on tests and maintenance reports
prior to being submitted to the City. Each recorded test kit shall
be tested annually for accuracy and calibrated to maintain a
two (2) percent accuracy factor.
(3) In the event the City has reason to believe that testing or reporting
deficiencies exist in a backflow prevention assembly tester's
methods or report, the City shall notify the tester and
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CUstorrier/property owner, and shall take one or more of the
following actions. -
(a) Requirc the subject customer/property owner to have re -tested
any backilow prevention assembly previously reported as
operational;
(b) In the event the backflow prevention assembly tester has
committed three (3) or more inadvertent testing or reporting
inaccuracies within a twelve (12) month period commencing
with the first inaccuracy, the backflow prevention assembly
tester's registration with the City may be suspended for a
period of six (6) months;
(c) In the event the backflow prevention assembly tester shall file
with the City an intentional or knowing falsified test report, the
backflow prevention assembly tester's registration with the
City shall be revoked by the City.
SECTION 5. THAT Section 6-100.3 of the Code of Ordinances of the City of
Lubbock, Texas, is hereby amended to read as follows:
See. 6-100.3. Approved Backflow Prevention Device Assembly and
Installation.
(a) Any backflow prevention assembly required by Sections 6-100.1,
6-100.2, or 6-100.3 of the Code of Ordinances of the City of Lubbock, or
Section 312,9 or 608 of the 2000 International Plumbing Code, or Sections
P2503.7 or P2902 of the International Residential Code, or the USC
MWILial of Cross -Connection Control, American Water Works Association
M14 Manual, as applicable, shall be of a model and size approved by the
water purveyor/building official or as approved by 30 TAC 290.47(i), as
same may be amended from time to time. Backflow prevention devices
must be approved by the City prior to installation. The City shall
determine the type and location of the backflow prevention assembly to be
installed within the area served by the public water system.
(b) The term approved hacl�floiv prevention assembly sliall mean a
backflow prevention assembly that has been manufactured and installed in
f1ill conformance with the standards specified within the 2000
International Plumbing Code and those established by the American Water
Works Association (AWWA) an(] the USC Manual of Cross -Connection
Control, American Water Works Association M 14 Manual, titled:
AWWA C510 Standard for Double Check Valve Backflow—
Prevention Assembly, and AWWA C511 Standard For Reducccl-Pressure
Backflow Ordinance
Page 13 of 17
Backflow-Prevention Assembly, and have met completely the laboratory
field perfomiance specifications of the Foundation for Cross -Connection
Control and Hydraulic Research (FCCHR) and the University of Southern
California (USC), "Specification of Backflow-Prevention. Assemblies" —
Sec. 10 of the most current issue of the Manual of Cross -Connection
Control.
(c) Backflow prevention assemblies shall be installed in a manner
designed to facilitate case of testing and inspection by the City or any
ccrtified, general tester. All backflow prevention assemblies shall be tested
upon installation, relocation, or repair of same.
(d) Backflow prevention assemblies, in addition to other requirements
set forth in Sections 6-100.1, 6-100.2, or 6-100.3 of the Code of
Ordinances of the City oaf" Lubbock, or Section 312.9 or 608 of the 2000
International Plumbing Code, Sections P2503.7 or 112902 of the 2000
International Residential Code, or the USC Manual of Cross -Connection
Control, American Water Works Association M 14 Manual, shall be
installed in accordance with subparagraphs (1) through (9) below. The
clearance standards set forth in subparagraphs (1) through (9), below, shall
apply to all assemblies installed in enclosures and meter boxes.
(1) Backflow prevention assemblies that are larger than four inches and
installed more than five feet above floor level must have a suitable
platform for use by testing or maintenance personnel.
(2) All backflow prevention assemblies installed eight feet or higher
above floor level must have installed a suitable perinanent ladder for
use by testing or maintenance personnel.
(3) All backflow prevention assembly enclosures shall be designed for
ready access and sized to allow for the 11-lit-lin-ILIM clearance as
established in this article. Removable protective enclosures may be
installed on smaller assemblies.
(4) Reduced Pressure Zone assemblies two inches and smaller shall
have at least a six-inch clearance on both ends and on top of the
assembly. Additionally, there shall be twelve inches of clearance below
the relief valve and twelve inches of clearance on the test cocks side of
the assembly. All assemblies larger than two inches shall have a
ri,iinimurn of twelve inches of clearance on the back side, twenty-four
inches of clearance on the test cock side, and the relief valve opening
shall be at least twelve inches I)ILIS nominal size of assembly above the
floor or highest possible water level.
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(5) Double Check Valve Assemblies larger than two inches may be
1.
installed above finished grade in a freeze -proof enclosure or below
grade in a vault. If assembly is installed below grade, the test cocks
must be Plugged with corrosion resistant watertight plugs, and shall be
I
no less than twelve inches below grade with a minimum of twelve
inches clearance below the backnow assembly device. There shall be at
least a six inch clearance on both ends ofthe assembly with a rniniMUrn
clearance of twelve inches on the back side and twenty-four inches Oil
the test cock side. The top of the vault shall be two inches above
ground level. Double Check Valve Assemblies shall be installed so that
the checks are horizontal.
(6) Double Check Valve Assemblies two inches and smaller may be
installed above finished grade in a freeze -proof enclosure or below
grade in a box. If assembly is installed below grade, the test cocks must
be plugged with corrosion resistant watertight plugs, and shall be no
less than twelve inches below grade with a inirurnuin of twelve inches
clearance below the backflow assembly device. There shall be at least a
six inch clearance on both ends of the assembly with a rninlintlin
clearance of twelve inches on the back side and twelve inches on the
test cock side. The top of the box shall be two inches above ground
level. Double Check Valve Assemblies shall be installed so that the
checks are horizontal.
(7) Bypass arrangements are prohibited. Pipe fittings which could
reasonably be calculated to constitute a means by which a backflow
assembly could be bypassed and delbated shall not be installed.
(8) All facilities that require COritinUOUS, uninterrupted water service and
are required to have a backflow assembly must make provision for the
parallel installation of assemblies of the same type so that testing, repair
and maintenance can be performed.
(9) All health hazard facilities shall have containment from the City's
.7 ' potable water system. For the purposes of this section, "containment"
shall mean protection of the public water supply at the service
connection.
SECTION G. THAT the mechanism for appeal from the provisions of this
Ordinance, or from a decision of an administrative official enforcing same, shall be
thrOUG11 the Building Board of Appeals of (lie City of Lubbock ill the same manner as set
1�
forth in Chapter 6, Article 1, Section 6-8OVof the Lubbock Code of Ordinances. It is
further provided that said Board shall have no authority to waive, set aside or alter any
provision of this Ordinance otherwise mandated by the laws of the State of Texas,
Backflow Ordinance
Page 15 of 17
SECTION 7. THAT violation of any provision of this Ordinance shall be deemcd
a misdemeanor punishable as provided by Section 1-4 of the Code of Ordinances of the
City of Lubbock. Additionally, a violation of any provision of this Ordinance shall be
deemed to be a nuisance under Section 12-101(b) of the Code of Ordinances of the City
Of Lubbock. Notwithstanding the above, in the event a violation results in an innnincnt
risk to human health, safety or welfare, the City may immediately discontinue water
service to the subject facility without notice. Notwithstanding the right to immediately
discontinue water set -vice Without notice, as described hercin, the City will attempt to
provide notice as is reasonably practical under the circumstances presented, The City
will provide customer with necessary information to properly reinstate service.
SECTION 8. THAT should any paragraph, section, sentence, phrase, clause or
word of this ordinance be declared unconstitutional or invalid for any reason, the
remainder of this Ordinance shall not be affected thereby.
SECTION 9. THAT the City Secretary is hereby authorized and directed to cause
publication of' the descriptive caption of this Ordinance as an alternative method of
publication provided by law.
Sl:CTION 10. THAT this Ordinance shall become effective from and after its
publication as provided by law.
AND IT IS SO ORDERED
Passed by the City Council on first reading the 24th day of May ,2007.
Passed by the City Council on second reading the 14th day of June 2007,
ATTEST:
R��cb 'eca—G—arza, City Secretary
DAVID A. MILLER, MAYOR
Backflow Ordinance
Page 16 of 17
APPROVED AS TO CONTENT:
Thomas
Adams ins Deputy City Manager
Steve O'Neal
Chief BUilding Official
APPROVED AS TO FORM:
Richard Casner
First Assistant City Attorney
i,ol/i�ielisirti/ectiocs/iiackflow Ord-Fma107
May 1, 2007
Backflow Ordinance
Page 17 of 17
Ordinance No. 2007-00056
W M,
The following table lists many common hazards. It is not an all-inclusive list of the hazards which
may be found connected to public water systems,
Premises Isolation - Description of Premises
Assessment of Hazard
Required Assembh
Aircraft and missile plants
Health
RPBA orAG
Animal feedlots
Health
RPBA or AG
Automotive plants
Health
RPBA or AG
Breweries
Health
RPBA orAG
Canneries, packing houses and rendering plants
Health
RPBA or AG
Commercial car wash facilities
Health
RPBA crAG
Commercial laundries
Health
RPBA orAG
Cold storage facilities
Health
RPBA or AG
Connection to sewer pipe
Health
RPBA orAG
Dairies
Health
RPBA or AG
Docks and dockside facilities
Health
RPBA or AG
Dye works
Health
RPBA or AG
Food and beverage processing plants
Health
RPBA or AG
Hospitals, morgues, mortuaries, medical clinics,
dental clinics, veterinary clinics, autopsy facilities,
sanitariums, and medical labs
Health
RPBA or AG
Metal manufacturing, cleaning, processing,
and fabrication plants
Health
RPBA or AG
Microchip fabrication facilities
Health
RPBA or AG
Paper and paper products plants
Health
RPBA orAG
Petroleum processing or storage facilities
Health
RPBA orAG
Photo and film processing labs
Health
RPBA or AG
Plants using radioactive material
Health
RPBA or AG
Plating or chemical plants
Health
RPBA or AG
Pleasure -boat marinas
Health
RPBA or AG
Private/ Ind ividuo|/Unmonitored Wells
Health
RPBA urAG
Reclaimed water systems
Health
RPBAorAG
Restricted, classified orother closed facilities
Health
RPBA orAG
Rubber plants
Health
RPBA orAB
Sewage lift stations
Health
RPBA orAG
Sewage treatment plants
Health
RPBA orAG
Slaughter houses
Health
RPB&orA8
Steam plants
Health
RPBAorAG
Tall buildings orelevation differences where the
highest outlet is8Ofeet ormonsabove the meter
Nunheo|th
DCVA
Internal Protection - Description ofCross
Assessment mfHazard
RaquirodAssemb
|Connection
Aspirators
Nonhea|thf
AVB
� Aspirator (medical)
Health
AVB orPVB
Autoclaves
Health
RPBA
Autopsy and mortuary equipment
Health
AVB orPVB
Bedpan washers
Health
AVB orPVB
Connection hoindustrial fluid systems
Health
RPBA
Connection toplating tanks
Health
RPBA
Connection to salt -water cooling systems
Health
RPBA
Connection bmsewer pipe
Health
AG
Cooling towers with chemical additives
Health
AG
Cuspidors,
Health
AVB orPVB
Degreasing equipment
Nonhoa|thf
DCVA
Domestic space -heating boiler
Nonheo|tht
RPBA
Dye vats ormachines
Health
RPBA
Fire -fighting system
(toxic liquid foam concentrates)
Health
RPBA
Flexible shower heads
Nonhoo|thf
AVB orPV8 |
�Heating equipment
Commercial
Nonhea|tht
RPBA
Domestic
Nonhea|thf
OCVA
Homeb|bbs
Nonhee(thf
AVB
Irrigation systems
with chemical additives
Health
RPBA
without chemical additives
NunheaUhf
OCV4. AVB. or PVE
Kitchen equipment 'Commercial
Nonhea|thf
AVB
Lab bench equipment
Health or Nonheahht
/4/8 or PVB
Ornamental fountains
Health
AVB or PVB
Swimming pools
Private
Wonhaa|Uht
PVB orAG
Public
NVnhemKht
RPBA orAG
Sewage pump
Health
A8
Sewage ejectors
Health
AG
Shampoo basins
Nonhoa|thf
AVB
Specimen tanks
Health
AVB orPVB
Shaanl generators
Nonhonithf
RPBA
Steam hsb|em
Nonhea|tht
AVB
Sterilizers
Health
RPBA
Tank vats orother vessels containing toxic
substances
Health
RPBA
Trap primers
Health
AG
Vending machines
N0nhea|thf
RPBA or PVB
Watering troughs
Health
AG or PVB |
NOTE: AG=air gap; AVB =atmospheric vocuumbreaker; DCVA=double check valve backMow
prevention assembly, PVB pressure vacuum breaker; RPBA = reduced -pressure principle
bock8owprevention assembly.
°AVBsand PVBomay beused toisolate health hazards under certain conditions, that is,
baoksiphonage situations.
Additional area cfpremises isolation may berequired.
fWhumo ogi-cu1erhazard eXiSiS (due to toxicity o?0i)lc[potential lic8\ih iDlp&CU
STA-TE OF TEXAS )Oyu? Y v C% A� !�
COUNTY OF LUBBOCK
Before me Alan C. Weems
a Notary Public in and fd
ORDINANCE, 11111'9'40N11�i Trlr�COD of
MHE
day personally appeared Kelsta Ramirez
ORDINANCES , C
i'. NANCE, 0�
All 6!SY2,06�fli`bl' B2,011)Mi ATIC�D 6-10o.31
of t "R`Er,rRo'rE0' THE ADDITION
ITIATIOF LOCAL�FROV151AON16"
AFFECTING TLICO"DESiA :RN ON4 FLU ,8,NG
4T
1EMTIA CKF OW Corporation, publishers of the Lubbock Avalanche -Journal - Morning, and Sun0prRsETENTION NAND T42 RFESLTAATBINLi'SIHOMBEANT OLF A
BACKPLOW PREVENTION DEVICE TESTING PROGRAM
IREMENTS OF THE TEXAS
*'H E u ITY� PkOV ING
did dispose and say that said newspaper has run continuously for more than i CONFORMING o IT or N v 14 � Q, ENTAL DUAL
CLAU91_1
A SAVINGS CLAUSEP PROVIDING A PENALTY
AN P ROVIDING 1-014 PUBLICATION,
Insertion of this LEgal Notice
SECTION 7, THAT vlolotton Of this Ordinance shall had oomed a
Jorneenor PunIshablo prov[ded by SeCtlon 1�4 of the Code
No.
of Ordinances of the Cit lfbbock, Addlil.nally, a violallon of
at Lubbock Cc any provIslorl of this 0rd%ance shall be doomed to a nulsonce
printed copy of the Legal Notice
under Secitan 12,101 (b) of tile Code of Ordinances of the City of
Lubbock. Notwl"IstandIng the above, In the event of a violation
is a true copy of the original; results in an imminent risk to human health, safety or -Nolfore,
file City may Immodlotely disconflnue water service to the
Avalanche -Journal on the following dates: j UIAQ=
1 joet facility wilhoot notice, do described heron, the C( V wIll
Otte pt to provide nailer,reasonablY P roctical under the
2;� i c"11c'u'p1stahces presented, The City voltI provide custortior with
( necessary Information 10 PrOPOOV r0lns101e service.
V114PI MORI, 0-10.1"NA 0%
Inside Sales Man P
LUBBOCK AVALANCHE -JOURNAL
Morris Communication Corporation
Subscribed and sworn to before me this
NOTARY PUBLIC In and for the State of Texas
my commission Expires
ac day of
51712011
ALAN C WEEMS
FORM 58-10 Notary Public, State of Texas
My commission Expires
Moy 07. 2011
17HE STATE OF TEXAS
COUNTY OF LUBBOCK
6)a� , *. oojl:� e l
D '
Before me Alan C. Weems a Notary Public in and for Lu AVQrD I N 'S 0 � Z "T'i 'R S E$ 6, N C W 'f&
C� OAn T 'L "o AND 6 y
C kXSQtt N A
" 6 0 F ' 'OC
"'- ' '_ ' ' "' 4�10D"
r NAT NA
0 'r I
r
L -%11:DA00 r, r, 0 9
0 L P
L A ' N 0 � 6 L A T T
C T I T I H
ID N A
L c r
day personally appeared Krista Ramirez of the Er r V PTLOU s A"C' NXG A N D
C�F N f R N A" D T 'I E E S T A 5 L 5 '4 F L OW ix
A P LV 4 0 E TESTING
M E OF,
B , " L N 7 0 - ' , N ' 'ST I I
N J�EQ I ", IN PR RA MM R R U R E
Corporation, publishers of the Lubbock Avalanche -Journal -Morning, and Sunday,, C t 0 " W, L U FT E
, " NV E A 0 ALIT,
U,
L
CO A A V I I Y PRO I %'j �C' ,
0 C EN
P ' 0 V I I L , r 0 '
N R N R PU 8 I_ I CAT 1 0 N L CL USE�
did dispose and say that said newspaper has run continuously for more than fifty. SF:C76ION,7 T
Insertion of this
rc tjcjfjCv shall I)o dounvyo a
o b4le 'IQ I 1)`IW1 11110, 1 'C.111.101
'r de
tth '
LegaiNotice y of A lclw?'!*a V
)MInuirce 511011 Ord
e 000moll to a milsonce
rl� 1111C 5 1 "1
0"' 0 L
L ubboc'. '"'Id t um
results
11 In on J,,.,1'no risk to h 'If
Na. at Lubbock Cour
th
b
h.
printed copy of the Legal ly rice is a true copy of the original an,
Avalanche -Journal on the following dates: LEG cRl , 2M -7 M V_
NOTARY PUBLIC In and for the State of Texas
Inside Sales Manager my commission Expires 51712011
LUBBOCK AVALANCHE -JOURNAL
Morris Communication Corporation
Subscribed and sworn to before me this day of
ALAN C ) 11"1 FORM 513-10 I Notary Public, Stat!Of Texas
My Commission Expires
May 07, 2011