HomeMy WebLinkAbout1993-02-01-Ordinance 2168_Uniform Building Code, Plumbing Backflow ValveORDINANCE NO 2168
AN ORDINANCE TO AMEND CHAPTER 222,THE BUILDING CODE OF THE
CITY OF WAUKEE,IOWA,BY ADDING THERETO PROVISIONS TO ESTABLISH A
CROSS CONNECTION CONTROL PROGRAM REQUIRING BACKFLOW PREVENTION AS
A PART OF THE PLUMBING CODE,AND TO PROVIDE PENALTIES FOR VIOLA-
TIONS.
BE IT ORDAINED by the Council of the City of Waukee:
Section 1.Amendment.Chapter 222.3 (3),Waukee Municipal
Code,is hereby amended by adding as (c)thereof,(which shall be
referred to as §l003A of the Uniform Plumbing Code)the following:
(c)Cross Connection Control-Containment Provisions.
1.Definitions.The following definitions shall apply
only to subsection (c)hereof,(Also cited as §l003A,
Uniform Plumbing Code).For the purpose of this section,
these definitions supersede definitions given elsewhere
in this code.
a.
b.
c.
Approved backflow prevention assembly for
containment.A backflow prevention assembly
which is listed by the University of Southern
California-Foundation for Cross Connection
Control and Hydraulic Research as having met
the requirements of ANSI-AWWA Standard C510-
89,"Double Check Valve Backflow-Prevention
Assemblies",or ANSI-AWWA Standard C511-89,
"Reduced-Pressure Principle Backflow-Prevention
Assemblies"for containment.The listing shall
include the limitations of use based on the
degree of hazard.The backflow prevention
assembly must also be listed by the Interna-
tional Association of Plumbing and Mechanical
Officials.
Approved backflow prevention assembly for
containment in a fire protection system.A
backflow prevention assembly to be used in a
fire protection system which meets the
requirements of Factory Mutual Research
Corporation (FM)and Underwriters Laboratory
(UL),in addition to the requirements of
paragraph 1 (a)of this section.
Auxiliary water supply.Any water supply on
or available to the premises other than the
water purveyor's approved public water supply
such as,but not limited to a private well,
pond,or river.
d.Containment.A method of backflow prevention
which requires the installation of a backflow
prevention assembly at the water service
entrance.
e.Cross connection.Any connection or arrange-
ment,physical or otherwise,between a potable
water supply system and any plumbing fixture
or tank,receptacle,equipment,or device,
through which it may be possible for non-
potable,used,unclean,polluted,and con-
taminated water,or other substance,to enter
into any part of such potable water system
under any condition.
f.Customer.The owner,operator,or occupant of
a building or property which has a water
service from a public water system,or the
owner or operator of a private water system
which has a water service from a public water
system.
g.Degree of hazard.The rating of a cross-
connection or water service which indicates if
it has the potential to cause contamination or
pollution.
h.Double check valve backflow prevention
assembly.A backflow prevention devise
consisting of two independently acting
internally loaded check valves,four properly
located test cocks,and two isolation valves.
i.High hazard cross connection.A high hazard
cross connection is a cross connection which
may cause an impairment of the quality of the
potable water by creating an actual hazard to
the public health,through poisoning or through
the spread of disease by sewage,industrial
fluids,or waste.
j.Isolation.A method of backflow prevention in
which a backflow prevention assembly is located
at the cross connection rather than at the
water service entrance.
k ,Low hazard cross connection.A low hazard
cross connection is a cross connection which
may cause an impairment of the quality of
potable water to a degree which does not create
a hazard to the public health,but which does
adversely and unreasonable affect the aesthetic
qualities of such potable waters for domestic
use.
1.Reduced pressure principle backflow prevention
assembly.A backflow prevention device
consisting of two independently acting
internally loaded check valves,a different
pressure relief valve,four properly located
test cocks,and two isolation valves.
m.Registered
technician.
to test or
semblies and
assemblies.
backflow prevention assembly
A person who is registered by law
repair backflow prevention as-
report on the condition of those
n.Thermal expansion.Volumetric
water due to heating resulting
pressure in a closed system.
increase of
in increased
o ,Water service.Depending on the context,water
service is the physical connection between a
public water system and a customer's building,
property,or private water system,or the act
of providing potable water to a customer.
2.Administrative authority.
a.For the purposes of this Section 3 only,the
administrative authority is the City Council
acting through such persons or agencies the
City Council shall designate by Resolution.
b.The administrative authority shall have the
right to enter,with the consent of the
customer or upon the basis of a suitable
warrant issued by a court of appropriate
jurisdiction,any property to inspect for
possible cross-connections.
c.The administrative authority may approve
training programs for backflow prevention
assembly technicians and register backflow
prevention assembly technicians who successful-
ly complete an approved training program.
d.The administrative authority may collect fees
for the administration of this program.
e.The administrative authority may recognize
backflow prevention assembly technicians
registered by other administrative authori-
ties.This provision shall not be effective
during any time that the State of Iowa
registers backflow prevention assembly
technicians.
f.The administrative authority shall maintain
records of cross connection hazard surveys,and
the installation,testing,and repair of all
backflow prevention assemblies installed for
containment purposes.
g.The administrative authority shall maintain,
records of registration of backflow prevention
assembly technicians and shall maintain a
current list of all backflow prevention
assembly technicians registered by the
administrative authority.This provision shall
not be effective during any time that the State
of Iowa registers backflow prevention assembly
technicians.
3.New Water Services.
a.Plans shall be submitted to the administrative
authority for review on all new water services
in order to determine the degree of hazard.
b.The administrative authority shall determine
the type of backflow prevention assembly
required for containment based on the degree
of hazard.
c.The administrative authority shall require the
installation of the appropriate backflow
prevention assembly for containment before the
initiation of water service.
4.Existing Water Services.
Upgrade of existing water
treated as a new water
purposes of Section I003A.
b.Within six (6)months after adoption of this
ordinance,the administrative authority shall
publish and make available to each customer a
copy of the standards used to determine the
degree of hazard.
services
services
shall be
for the
a.
c.Within three (3)months after publication of
the standards,the administrative authority
shall,in writing,notify customers whose
premises are classified as single family
residential of the provisions of this ordinance
and shall require compliance therewith.
d.Within three (3)months after publication of
the standards,customers whose premises are not
classified as single family residential shall
complete and return to the administrative
authority a cross-connection hazard survey to
be used to determine the type of containment
device.
e.The administrative authority shall,on the
basis of information received from customers
or gathered through on-premise investigations
or surveys,determine the type of backflow
prevention assembly required by containment
based on the degree of hazard.
f.within the time frame specified in writing by
the administrative authority,the customer
shall install a backflow prevention assembly
for containment required by the administrative
authority.
g.For existing water services,the administrative
authority may inspect the premises to determine
the degree of hazard.When high hazard cross
connections are found,the administrative
authority shall,at its sole discretion:(1)
develop a schedule of compliance which the
customer shall follow,or (2)terminate the
water service until a backflow prevention
assembly for containment required by the
administrative authority has been installed.
h.Failure of the administrative authority to
notify a customer that they are believed to
have a high hazard cross connection and that
they shall install backflow prevention
assemblies for containment in no way releases
a customer from the responsibility to comply
with all requirements of this section.
5 •Customer.
a.The customer shall be responsible for ensuring
that no cross connections exist without
approved backflow protection within his or her
premises starting at the point of service from
the public potable water system.
b.The customer shall,at his or her own expense,
cause installation,operation,testing and
maintenance of the backflow prevention
assemblies required by the administrative
authority.
c.The customer shall ensure the administrative
authority is provided copies of records of the
installation and of all tests and repairs made
to the backflow prevention assembly on the
approved form within fifteen (15)days after
testing and/or repairs are completed.
d.In the event of a backflow incident,the
customer shall immediately notify the local
water supplier,City of Waukee,of the incident
and take steps to confine the contamination or
pollution.
6.Required Backflow Prevention
containment -Water Services.
Assemblies for
a.An air gap or an approved reduced pressu:;e
principle backflow prevention assembly 1S
required for water services having one or more
cross connections which the administrative
authority classifies as high hazard.
b.An approved double check valve assembly is
required for water services having no high
hazard cross connections but having one or more
cross connections which the administrative
authority has classified as low hazard.
7.Required Backflow Prevention Assemblies
Containment -Fire Protection Systems.
for
a.A reduced pressure principle backflow preven-
tion assembly shall be installed on all new and
existing fire protection systems which the
administrative authority determines to have any
of the following:
1.Direct connections from public water mains
with an auxiliary water supply on or
available to the premises for pumper
connection.
2.Interconnections with auxiliary supplies
such as reservoirs,rivers,ponds,wells,
mills,or other industrial water systems.
3.Use of antifreezes or other additives in
the fire protection system.
4.Combined industrial and fire protection
systems supplied from the public water
mains only with,or without gravity
storage or pump suction tanks.
5.Any other facility,connection,or
condition which may cause contamination.
b.A double check valve assembly will be required
for all other fire protection systems.The
double check valve shall be required on all new
systems at the time of installation and on
existing systems at the time that they are
upgraded.
8.Registration of Backflow Prevention Assembly
Technicians.The prOV1Slons in subparagraphs "a"
through "d"of this paragraph shall not be effective
during any time that the State of Iowa registers
backflow prevention assembly technicians.
a.Any person who tests or repairs backflow
prevention assemblies shall be registered by
the administrative authority.
b.Any person who wishes to become a backflow
prevention assembly technician must submit the
following to the administrative authority in
order to meet the registration requirements of
the administrative authority:
1.A certificate of completion from a
training program approved by the ad-
ministrative authority.The training
program shall provide at least 40 hours
of classroom and practical training which
shall include an examination.
2.A fee of $25.00.
c.Registrations issued by the administrative
authority shall be for a period not to exceed
two years and shall expire on December 31st of
even numbered years.
d.To renew the registration
Prevention Assembly Technician
the administrative authority:
1.A certificate of completion from a
continuing education course approved by
the administrative authority.
the Backflow
must submit to
(a)The certificate of completion shall
indicate at least 5 contact hours of
continuing education on backflow,
backflow prevention devices and
related topics.
(b)The certificate of completion must
have been completed within the most
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L~
recent registration period.
2.A fee of $5.00.
e.A Backflow Prevention Assembly Technician
registered by the State of Iowa shall include
his or her registration number on all cor-
respondence and forms required by,or as-
sociated with this ordinance.
9.Registered Backflow Prevention Assembly Technician
Noncompliance.
a.The registration of a technician may be revoked
or suspended for a period of up to two years
for noncompliance with this ordinance.
b.Any of the following conditions constitute non-
compliance:
1.Improper testing or repair of backflow
prevention assemblies.
2.Improper reporting of the
testing or of repairs made
prevention assemblies.
results of
to backflow
3.Failure to meet registration requirements.
4.Related unethical practices.
10.Installation of Backflow Prevention Assemblies.
a.The required backflow prevention assemblies for
containment shall be installed in horizontal
plumbing immediately following the meter or as
close to that location as deemed practical by
the administrative authority.In any case,it
shall be located upstream from any branch
piping.Installation at this point does not
eliminate the responsibility of the customer
to protect the water supply system from
contaminants or pollution between the backflow
prevention assembly and the water main.
b.Reduced pressure principle backflow prevention
assemblies shall be installed so as to be
protected from flooding.
c.Reduced pressure principle backflow prevention
assemblies shall not be installed in under-
ground vaults or pits.
d.All backflow prevention assemblies shall be
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protected from freezing.
e.If hot water is used within the water system,
thermal expansion shall be provided for when
installing a backflow prevention assembly for
containment.
f.Provisions
discharge
principles
a suitable
shall be made to convey the
of water from reduced pressure
backflow prevention assemblies to
drain.
g.No backflow prevention assemblies shall be
installed in a place where it would create a
safety hazard,such as but not limited to,over
an electrical panel,or above ceiling level.
h.If interruption of water service during testing
and repair of backflow prevention assemblies
for containment is unacceptable to the
customer,two backflow prevention assemblies,
sized to handle the temporary water flow needed
during the time of test or repair,should be
installed in parallel piping.
i.All backflow prevention assemblies shall be
installed so that they are accessible for
testing as stated in Section 1003.
j.All shut-off valves shall conform with the
current edition of the Manual of Cross-
Connection Control (University of Southern
California)requirements for either baIlor
resilient seat gate valves at the time of
installation.Ball valves shall be used on
assemblies installed in piping two inches and
smaller and resilient seat gate valves on
assemblies installed in piping larger than two
inches.
11.Testing of Backflow Prevention Assemblies.
a.Testing of backflow prevention assemblies shall
be performed by a registered backflow preven-
tion assembly technician.The costs of tests
required in the following paragraphs "b"
through "e"shall be borne by the customer.
b.Backflow prevention assemblies shall be tested
upon installation and tested and inspected at
least annually.
c.Backflow prevention assemblies which are in
place,but have been out of operation for more
than three months,shall be tested before being
put back into operation.Backflow prevention
assemblies used in seasonal applications shall
be tested before being put into operation each
season.
d.Any backflow prevention assembly which fails
a periodic test shall be repaired or replaced.
When water service has been terminated for non-
compliance,the backflow prevention assembly
shall be repaired or replaced prior to the
resumption of water service.l Backflow
prevention assemblies shall be retested by a
registered backflow prevention assembly
technician immediately after repair or
replacement.
e.The administrative authority may require
backflow prevention assemblies to be tested at
any time in addition to the annual testing
requirement.
f.The registered backflow prevention assembly
technician shall report the successful test of
a backflow prevention assembly to the customer
and to the administrative authority on the form
provided by the administrative authority within
15 days of the test.
g.The administrative authority may require,at
its own cost,additional tests of individual
backflow prevention assemblies as it shall deem
necessary to verify test procedures and
results.
12.Repair of Backflow Prevention Assemblies.
a.All repairs to backflow prevention assemblies
shall be performed by registered backflow
prevention assembly technicians.
b.The registered backflow prevention assembly
technician shall not change the design,
material,or operational characteristics of a
backflow prevention assembly during repair or
maintenance,and shall use only original
manufacturer replacement parts.
c.The registered backflow prevention assembly
technician shall report the repair of a
backflow prevention assembly to the customer
and to the administrative authority on the form
provided by the administrative authority with
15 days of the repair.The report shall
include the list of materials or replacement
parts used.
13.Water supply interconnections.
a.It is unlawful to interconnect,in any manner,
the municipal water supply to any other source
of water.
14.Customer Noncompliance.
a.The water service may be discontinued in the
case of noncompliance with section 1003A,
[cited as 222.3 (3)(c)]of this ordinance.
Noncompliance includes,but is not limited to,
the following:
1.Refusal to allow the administrative
authority access to the property to
inspect for cross connections.
2.Removal of a backflow prevention assembly
which has been required by the administra-
tive authority.
3.Bypassing of a backflow prevention
assembly which has been required by the
administrative authority.
4.Providing inadequate backflow prevention
when cross connections exist.
5.Failure to install a backflow prevention
assembly which has been required by the
administrative authority.
6.Failure to test and/or properly repair a
backflow prevention assembly as required
by the administrative authority.
7.Failure to comply with the requirements
of this ordinance.
15.Penalty.
In addition to any other remedy provided,any
person,firm or corporation violating any provisions
of this ordinance shall be guilty of a simple
misdemeanor and,upon conviction thereof,shall be
punished by a fine not exceeding one hundred dollars
($100.00),or imprisonment not exceeding thirty (30)
days,or by both such fine and imprisonment.Each
day upon which such violation occurs after notice
shall constitute a separate violation.
Section 2.Repealer.All ordinances or parts of ordinances
in conflict with the provisions of this ordinance are hereby
repealed.
Section 3.Severability Clause.If any section,provision
or part of this ordinance shall be adjudged invalid or unconstitu-
tional,such adjudication shall not affect the validity of the
ordinance as a whole or any section,provision,or part thereof not
adjudged invalid or unconstitutional.
Section 4.Effective Date.This ordinance shall be in effect
upon its final passage,approval and publication as provided by
law.
Passed by the City Council of the Ci~y ofLWaukee,Iowa,this 1st
day of ~Y~~ry,1993,and approved thlS J§r day of F.eb~u~~=r'1993.
r&j~)&;~'r~
1/MAYOR
Attested:
Clerk