HomeMy WebLinkAbout5673-11.21.2022 Plumbing OrdinancePrepared by Martin Petersen, City Attorney, City of Waterloo, Iowa, 715 Mulberry Street,
Waterloo, Iowa, 50703, 319-291-4598.
ORDINANCE NO. 5673
AN ORDINANCE AMENDING THE CODE OF ORDINANCES
OF THE CITY OF WATERLOO, IOWA, BY AMENDING
CHAPTER 4, PLUMBING REGULATIONS, OF TITLE 9,
BUILDING REGULATIONS.
BE IT ORDAINED BY THE CITY COUNCI OF THE CITY OF WATERLOO, IOWA:
That Chapter 4, Plumbing Regulations, of Title 9, Building Regulations, of the Code of
Ordinances of the City of Waterloo, Iowa, are hereby enacted in lieu thereof as follows:
CHAPTER 4
PLUMBING REGULATIONS
SECTION:
9-4-1: Title
9-4-2: Application and Scope
9-4-3: Plumbing Inspector
9-4-4: Defective Work; Unsanitary Conditions
9-4-5: Maintenance and Repairs of Double or Multiple House Sewer Connections
9-4-6: Work Requiring Permit or Approval
9-4-7: Installation by Owner
9-4-8: Notification for Inspection
9-4-9: Applicability to Existing Buildings
9-4-1: TITLE: This chapter shall be known as the WATERLOO PLUMBING CODE and may
be so cited and may be referred to hereinafter as "the code" or "this code". (Ord. 5392, 3-20-
2017)
9-4-2: APPLICATION AND SCOPE: The provisions of this chapter shall include and apply
to all plumbing work, plumbing installations and plumbing equipment hereinafter installed,
constructed, altered, serviced or repaired in, for or about any new, remodeled or relocated
building or structure in the city. (Ord. 5392, 3-20-2017)
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9-4-3: PLUMBING INSPECTOR:
A. Appointment: The plumbing inspector shall be appointed by the mayor and city council
after being tested by the civil service commission and upon recommendation by the
building official, and shall work under the direction of the building official.
B. Qualifications:
1. The appointee shall be a licensed practical journeyman or master plumber with not
less than ten (10) years' experience; shall possess a certificate of competency issued by
the city or must submit to an examination of competency administered by the city board
of plumbing examiners; shall possess a valid driver's license; shall possess such executive
ability and requisite for the performance of required duties; shall have thorough
knowledge of the standard materials and methods used in the installation and
maintenance of plumbing equipment; shall be well versed in improved methods of
construction for safety to persons and property, the statutes of the state relating to
sanitation and plumbing and any orders, rules and regulations issued by authority thereof
and in the Uniform Plumbing Code.
2. The plumbing inspector shall hold a current journeyman plumber's license with the
Iowa Department of Public Health division for licensing in the State of Iowa.
C. Powers and Duties:
1. The plumbing inspector is empowered to inspect any and all buildings or structures,
public or private, and to, as herein provided, condemn, and order removed or remodeled
and put into proper and safe condition all plumbing and plumbing related items for the
protection of the public health, safety and welfare.
2. The plumbing inspector shall have power under the direction of the building official
to exercise judgment in a reasonable and proper manner and rule accordingly on all
special cases in regard to matters in this chapter or not specifically covered thereby.
3. The plumbing inspector shall keep records of sewer connections from city main(s) to
the property line and from the property line to each building connected to city services.
4. The plumbing inspector shall be the code and administrative authority for the
administration of the plumbing code of the city.
D. Right Of Entry: Whenever necessary to make an inspection to enforce any of the
provisions of this plumbing code, or whenever the plumbing inspector or authorized
representative has reasonable cause to believe that there exists in any building or upon
any premises, any condition which makes such building or premises unsafe, the plumbing
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inspector or authorized representative may enter such building or premises at all
reasonable times to inspect the same or to perform any duty imposed upon by this
chapter, provided that if such building or premises be occupied, they shall first present
proper credentials and demand entry; and if such building or premises be unoccupied,
they shall first make a reasonable effort to locate the owner or other persons having
charge or control of the building or premises and request entry. If such entry is refused,
the plumbing inspector or their authorized representative shall have recourse to every
remedy by law to secure entry.
E. Unlawful Activities: It shall be unlawful for the plumbing inspector to engage in the
business of the sales, installation or maintenance of plumbing equipment, either directly
or indirectly, and the inspector shall have no financial interest in any concern engaged in
such business in the city, at any time while holding office as herein provided for. (Ord.
5392, 3-20-2017)
9-4-4: DEFECTIVE WORK; UNSANITARY CONDITIONS: Whenever it shall come to the
knowledge of the plumbing inspector that the plumbing in a building causes a nuisance or may
cause disease, sickness, or otherwise becomes a hazard to health, it shall be the duty of said
inspector to make an inspection of such plumbing and render a report to the proper party, setting
forth the necessary repairs or alterations required to make such plumbing conform to this
chapter. The inspector shall set a limit of time in which such repairs or alterations are to be made,
and upon the refusal or neglect of the owner, agent, lessee or tenant to comply with said notice
within the time stated, the plumbing inspector shall cause such repairs or alterations to be made
and such nuisance abated and the expense of such work shall be taxed against such property and
become a prior lien thereon; or the inspector may order the premises vacated and closed to
further occupancy until such time as the required repairs or alterations have been made. (Ord.
5392, 3-20-2017)
9-4-5: MAINTENANCE AND REPAIRS OF DOUBLE OR MULTIPLE HOUSE SEWER
CONNECTIONS:
A. When it shall become necessary to make any repairs or to make any replacements or in
the event of any cost of maintenance of a double or multiple house sewer between the
main sewer and the lot line from which such multiple connections are extended, the
owner of each structure, residence or building served by such double or multiple house
sewer shall pay their proportionate share of the expenses of such repair, replacement or
maintenance cost. Such double or multiple sewer shall be construed to mean from the
branch opening where the individual sewers enter the double or multiple house sewer to
the point of connection at the city sewer.
B. In the event the owner of each structure, residence or building served by such double or
multiple house sewer shall fail to maintain or repair the same or to make any
replacements in the same and to pay their proportionate share of expense incident thereto,
the city shall have the power to order said replacements, repairs or maintenance, as the
case may be, and the actual cost thereof shall be assessed against such property by
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certifying to the county auditor for collection as other special taxes. (Ord. 5392, 3-20-
2017)
9-4-6: WORK REQUIRING PERMIT OR APPROVAL: No building or premises shall tap
any water or sewer main or have installed any private building sewer, water service, private
sewage disposal plant or private water system or have connections, extensions, replacements,
removals or additions of any nature to the sanitary plumbing or water supply system or
disconnection of any fixture or change in the plumbing system before notifying the plumbing
inspector or his assistant and securing a permit or authority to proceed with the work. (Ord.
5392, 3-20-2017)
9-4-7: INSTALLATION BY OWNER: In cases where the owner/occupant desires to do
plumbing work in the owner's own residence, said owner shall make payment of required fees
and a plumbing permit shall be issued. Said permit authorizes the owner only to do plumbing
work in the dwelling or unit owned and occupied by said owner without licensing, certificate of
insurance or help from other than family members. Said person performs all labor in connection
therewith, has the necessary inspections made and complies with chapter requirements. (Ord.
5392, 3-20-2017)
9-4-8: NOTIFICATION FOR INSPECTION:
A. It shall be the duty of the permit holder to notify the inspector that his work is ready for
inspection or test. All inspections require twenty four (24) hours' notice.
B. It shall be the duty of the permit holder to make sure the work will stand the test
prescribed before giving notification.
C. If the inspector finds that the work will not stand a required test, or corrections are
required, the plumber shall be required to notify the inspector when the necessary
corrections are complete for re -inspection. If corrections are still required, the plumber
shall make corrections, notify the inspector for re -inspection and pay a re -inspection fee.
D. If the inspector fails to appear within twenty four (24) hours, during normal working
hours, of the time set for each inspection or test, the inspection or test shall be deemed to
have been made; but the plumber doing the work shall be required to file an affidavit with
the plumbing inspector that the work was installed in accordance with the ordinance and
permit, and that it was free from defects and that the required test had been made and the
system was found free from leaks. (Ord. 5392, 3-20-2017)
9-4-9: APPLICABILITY TO EXISTING BUILDINGS:
If an existing building is damaged by fire or otherwise or altered in a manner to require the
replacement of fifty percent (50%) or more of the structure as determined by the authority having
jurisdiction, the entire building shall conform to this chapter's requirements for new buildings.
(Ord. 5392, 3-20-2017)
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ARTICLE A. 2021 PLUMBING CODE
SECTION:
9-4A-1: 2021 Uniform Plumbing Code Adopted
9-4A-2: Amendments
9-4A-1: UNIFORM PLUMBING CODE ADOPTED: Except as hereinafter added to, deleted,
modified or amended, there is hereby adopted as the plumbing code of the city, that certain
plumbing code known as uniform plumbing code, 2021 edition, and any further regulations or
requirements of the state plumbing code, and the provisions of said plumbing code shall be
controlling in the construction and maintenance of plumbing and in all other matters covered by
said plumbing code within the city. (Ord. 5392, 3-20-2017)
9-4A-2: AMENDMENTS:
Section 106 is amended by adding sections as follows:
106.1.1 Municipal Infraction.
106.1.2 Any person, firm, or corporation failing to comply with or violating any
of the terms or provisions of this ordinance shall be deemed guilty of a municipal
infraction and upon conviction thereof, be punished accordingly.
106.1.3 If any plumbing work, including construction or repair, is performed
within the city contrary to the provisions of this ordinance, it shall be deemed a
municipal infraction and in addition to penalties described, shall be corrected in
accordance with this ordinance.
106.1.4 The omission or failure to perform any act or duty required by this
ordinance or the performing of any act which is prohibited or declared to be
unlawful by this ordinance, an offense or a municipal infraction pursuant to this
ordinance or the uniform plumbing code, is punishable by a fine of up to two
hundred dollars ($200.00), for the first offense and up to four hundred dollars
($400.00) for each subsequent offense.
106.1.5 Fees, is hereby repealed in its entirety; a new section 106.1.6 Fees, is
hereby enacted in lieu thereof as follows:
106.1.6 Fees. All plumbing permit and inspection fees shall be established by
resolution of the city council and paid prior to issuance of a permit or re -
inspection.
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Section 602 is amended by adding the following subsection:
602.4.1 Yard hydrants to furnish water for human consumption are prohibited, unless it
is an approved fixture.
Section 603. Specific Requirements for cross connection control is amended by adding
the following subsections:
603.1.2 Cross Connection Control -Containment Provisions. The purpose is to
safeguard potable water supplies by preventing backflow into public water
systems.
603.1.3 Definitions. The following definitions shall apply to section 603.13 of the
Waterloo Plumbing Code. For the purpose of this section, these definitions
supersede definitions given elsewhere in this code.
1. Administrative Authority. For the purpose of this section, the
administrative authority shall be the Waterloo Water Works and plumbing
division of the City of Waterloo Building Inspection Department.
2. 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 International
Association of Plumbing and Mechanical Officials.
3. 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), and the
requirement of the fire code and the building code of the city, in addition
to the requirements of paragraph a(3). Devices sized smaller than 21/2"
which have not been listed by Underwriters Laboratory (UL) and tested by
Factory Mutual Research Corporation (FM) may be allowed if they meet
the requirements of the fire code and the building code of the city.
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4. 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.
5. Containment. A method of backflow prevention which requires the
installation of a backflow prevention assembly at the water service
entrance.
6. Cross Connection. Any actual or potential connection or arrangement,
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
contaminated water, or other substance, to enter into any part of such
potable water system under any condition.
7. 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.
8. Degree of Hazard. The rating of a cross connection or water service
which indicates if it has the potential to cause contamination or pollution.
9. Double Check Valve Backflow Prevention Assembly. A backflow
prevention device consisting of two independently acting internally loaded
check valves, four properly located test cocks, and two isolation valves.
10. 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.
11. 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.
12. 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 adversely and unreasonably affect the
aesthetic qualities of such potable waters for domestic use.
13. Multiple -Family Residential Units. A multiple family residential unit
shall mean a building designed to be used as residential occupancy for
multiple -family units, each having separate plumbing facilities and not
more than two levels of occupancy.
14. Private Owned Customer Water System Piping. Water service line
pipes and plumbing fixtures connected to the public water system of the
city of Waterloo which are extended to the customer's property and into
the customer's building for service to the customer, regulatory control of
which is defined in the city plumbing code and Waterloo water works
regulations.
15. 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.
16. Registered Backflow Prevention Assembly Tester. A person who is
registered by law to test or repair backflow prevention assemblies and
report on the condition of those assemblies.
17. Thermal Expansion. Volumetric increase of water due to heating
resulting in increased pressure in a closed system.
18. 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.
603.1.4 Administrative Authority.
1. For the purpose of section 603.5.21.2 of the Waterloo Plumbing Code
only, the administrative authority shall be the Waterloo Water Works and
plumbing division of the City of Waterloo building Inspection
Department.
2. The administrative authority shall have the right to enter, with the
consent of the customer, or upon the basis of an administrative warrant
issued by a court of appropriate jurisdiction, any property to inspect for
possible cross connections.
3. The administrative authority may approve training programs for
backflow prevention assembly testers and register backflow prevention
assembly testers who successfully complete an approved training program.
4. The administrative authority may collect fees for the administration of
this program. Fees shall be established by resolution of the Waterloo City
Council.
603.1.5 New Water Service.
1. Plans shall be submitted to the administrative authority to review on
all new water services to determine size and degree of hazard.
2. The administrative authority shall determine if any type of backflow
prevention assembly is required for containment based on the degree of
hazard.
3. The administrative authority shall require, where necessary, the
installation of the appropriate backflow prevention assembly for
containment before the initiation of water service.
603.1.6 Existing Water Services.
1. Upgrades of existing water services shall be treated as new water
services for the purpose of this section.
2. The administrative authority shall publish and make available to each
customer a copy of the standards used to determine the degree of hazard.
3. After publication of the standards, the administrative authority shall
notify customers whose premises are classified as single family residential
or multiple family residential, having five units or less and not more than
two levels of occupancy, of the provisions of this ordinance and
compliance therewith.
4. Within six (6) 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.
5. The administrative authority shall, on the basis of information received
from customers or gathered through on -premises investigations or surveys,
notify the customer that a method of backflow prevention is required. The
customer shall prepare a written plan for review and approval by the
administrative authority to install a device or devices for containment
and/or isolation based on the degree of hazard.
6. Within the time frame specified in writing by the administrative
authority, the customer shall install a backflow prevention assembly as
approved by the administrative authority.
7. For existing water services, the administrative authority may inspect
the premises to determine the degree of hazard. When the high hazard
cross connections are found, the administrative authority shall, at its sole
discretion:
7.1 Develop a schedule of compliance which the customer shall
follow.
7.2 Terminate the water service until a backflow prevention
assembly for containment required by the administrative authority
has been installed.
8. 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 relieves
a customer of the responsibility to comply with all requirements of this
section.
603.1.7 Customer.
1. 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.
2. 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.
3. The customer shall ensure the administrative authority is provided
with 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.
4. In the event of a backflow incident, the customer shall immediately
notify the local water supplier, the Waterloo Water Works.
603.1.8 Required Backflow Prevention Assemblies For Containment - Water
Services.
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1. An air gap or an approved reduced pressure principle backflow
prevention assembly is required for water services having one or more
cross connections which the administrative authority classifies as high
hazard.
2. 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.
3. Every water service which is required to install a backflow prevention
assembly at point of entry will be required to follow section 603.4 of the
uniform plumbing code at time of installation.
4. Exception. Residential - single family dwelling to be done by isolation
unless specified by administrative authority.
603.1.9 Required Backflow Prevention Assemblies For Containment - Fire
Protection Systems.
1. A reduced pressure principle backflow prevention assembly shall be
installed on all new and existing fire protection systems which the
administrative authority determines to have any of the following.
1.1 Direct connections from public water mains with an auxiliary
water supply on or available to the premises for pumper
connection.
1.2 Interconnections with auxiliary supplies such as reservoirs,
rivers, ponds, wells, mills or other industrial water systems.
1.3 Use of antifreezes or other additives in the fire protection
system.
1.4 Combined industrial or domestic with high hazard and fire
protection systems supplied from the public water mains
only, with or without gravity storage or pump suction tanks.
1.5 Any other facility, connection, or condition which may cause
contamination.
2. A double check valve assembly shall 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.
3. Submittal of proposed backflow prevention devices to the
administrative authority does not relieve the designer or sprinkler
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contractor of the responsibility of submitting plans, including backflow
prevention devices, to the fire marshal for approval.
603.2 Registration of Backflow Prevention Assembly Tester. A backflow
prevention assembly tester registered by the state of Iowa shall include his or her
registration number on all correspondence and forms required by or associated
with this ordinance.
603.2.1 Registered Backflow Prevention Assembly Tester Noncompliance.
1. The registration of a tester may be revoked or suspended, for a period
of up to two years, for noncompliance with this ordinance.
2. Any of the following conditions constitute noncompliance:
2.1 Improper testing or repair or backflow prevention assemblies.
2.2 Improper reporting of the results of testing or of repairs made
to backflow prevention assemblies.
2.3 Failure to meet registration requirements.
2.4 Related unethical practices.
603.2.2 Installation of Backflow Prevention Assemblies.
1. Installation of backflow prevention assemblies shall be made by a
licensed and bonded plumbing contractor of the city of Waterloo with
proper permits.
2. 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 responsibilities of the
customer to protect the water supply system from containment or pollution
between the backflow prevention assembly and the water main.
3. Reduced pressure principle backflow prevention assemblies shall be
installed so as to be protected from flooding.
4. Reduced pressure principle backflow prevention assemblies shall not
be installed in underground vaults or pits.
5. All backflow prevention assemblies shall be protected from freezing.
Those devices used for seasonal services may be removed in lieu of being
protected from freezing; however, the devices must be reinstalled and
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tested by a registered backflow prevention assembly tester prior to service
being reactivated.
6. If hot water is used within the water system, thermal expansion shall
be provided for when installing a backflow prevention assembly for
containment.
7. Provisions shall be made to convey the discharge of water from
reduced, pressure principle backflow prevention assemblies, to a suitable
drain.
8. 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.
9. If interruption of water service during testing and repair of backflow
prevention assemblies for containment is unacceptable to the customer,
another backflow prevention assembly, sized to handle the temporary
water flow need during the time of test or repair, should be installed in
parallel piping.
10. All backflow prevention assemblies shall be installed so that they are
accessible for testing as stated in section 603.17 of the uniform plumbing
code.
11. All shut-off valves conform with the current edition of the Manual Of
Cross Connection Control (University Of Southern California)
requirements for either ball or 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.
603.2.3 Testing Of Backflow Prevention Assemblies.
1. Testing of backflow prevention assemblies shall be performed by a
registered backflow prevention assembly tester. The costs of tests required
in the following paragraphs 2 through 5 shall be borne by the customer.
2. Backflow prevention assemblies shall be tested upon installation, and
tested and inspected at least annually.
3. Backflow prevention assemblies which are in place, but have been out
of operation for more than three months, shall be tested before being put
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back into operation. Backflow prevention assemblies used in seasonal
applications shall be tested before being put into operation each season.
4. Any backflow prevention assembly which fails a periodic test shall be
repaired or replaced. When water service has been terminated for
noncompliance, the backflow prevention assembly shall be repaired or
replaced prior to the resumption of water service. Backflow prevention
assemblies shall be retested by a registered backflow prevention assembly
tester immediately after repair or replacement.
5. The administrative authority may require backflow prevention
assemblies to be tested at any time in addition to the annual testing
requirement.
6. The registered backflow prevention assembly tester 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 fifteen (15) days of the test.
7. 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.
603.2.4 Repair of Backflow Prevention Assemblies.
1. All repairs to backflow prevention assemblies shall be performed by
registered backflow prevention assembly testers.
2. The registered backflow prevention assembly tester shall not change
the design, material, or operational characteristics of a backflow
prevention assembly during repair or maintenance and shall use only
original manufacturer replacements parts.
3. The registered backflow prevention assembly tester 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 within fifteen (15) days of the repair. The report shall include the
list of materials or replacement parts used.
4. Any time fire services are discontinued for a period of time longer than
necessary to test the device the tester is required to notify the fire
marshal's office that the fire services are shut off for repairs.
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603.2.5 Customer Noncompliance. The water service may be discontinued in the
case of noncompliance with the Waterloo Plumbing Code. 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 administrative 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 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.
Table 604.1 is hereby repealed in it's entirety and replaced with the following:
604.1.2 Materials for water service piping shall be of lead- free brass, copper,
ductile iron, or other materials approved by the administrative authority. All
materials used in water supply systems except valves and similar devices shall be
of like material, except when otherwise approved by administrative authority.
Copper tube, when used underground, shall have a weight of not less than copper
water tube type K.
INSTALLATION STANDARD FOR NON-METALLIC
PLASTIC WATER SERVICE PIPE — PE & PEX
I All water service pipes through 2" shall be type K copper, red brass, PE or
PEX pipe.
II PE or PEX SDR 9 200 PSI can be used for 3/4" — 2" water service
installations as follows:
• If PE or PEX pipe is used, it shall be installed all the way from the stop
box to meter.
• PE or PEX pipe shall not be used for repairs or partial replacements.
Intermixing of materials shall not be allowed.
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Type K copper is required from the tap to the stop box for all new water
services in new developments and all other instances where water service
is stubbed to the stop box. Copper can also be used from the stop box to
the meters inside the premise on any service line through 2".
III PE or PEX pipe shall be installed in casing or bedded with approved
backfill
material. The minimum requirements for casing shall be SCH-40 or SDR-
23.5 sized to accommodate the service line and tracer wire. Backfill shall
be manufactured sand, river sand, or 1/2" pea gravel placed a minimum of
3" below and 4" above the pipe unless approved by administrative
authority.
IV Splicing of PE or PEX pipe between stop box and meter inside the
building is discouraged and will only be approved under special
circumstances.
V PE or PEX pipe may not be used within 500' of a Leaking Underground
Storage Tank or in other areas where the soil may be contaminated. You
can access IDNR records.
VI Tracer wire shall be required when PE or PEX pipe is used. Tracer wire
shall be #12 solid single strand copper wire with 45 mil linear low -density
polyethylene insulation suitable for direct bury. Insulation shall be blue
in color. When conduit is used the tracer wire shall be placed inside the
conduit. When conduit is not used tracer wire shall be installed alongside
the pipe and shall be fastened to pipe with zip ties, a minimum of every 5
feet. Tracer wire shall terminate above -ground and be accessible.
VII Joint methods for attaching PEX pipe to fittings shall meet AWWA C 904
Standards and ASTM F1960, F2080, or F1807 Specifications. Fittings
shall be installed in accordance with PE or PEX Pipe Manufactures
Installation Guidelines and related plumbing codes.
VIII Intermixing of approved material shall not be allowed.
604.1.3 Joints and fittings for underground water service piping must be lead-free
compression or threaded brass. Fittings must meet A.W.W.A. (American Water Works
Association) and Waterloo Water Works standards. All fittings shall maintain an
effective grounding path from the meter to the main. Rubber compression fittings will not
be allowed.
604.1.4 Materials for water distribution, pipes, and tubing shall be of lead-free brass,
copper, ductile iron, stainless steel, or PEX water pipe. PEX water pipe, tubing, and
fittings, manufactured to recognized standards may be used for hot and cold water
distribution systems within a building. All materials used in the water supply system,
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except valves and similar devices shall be of a like material, except where otherwise
approved by the administrative authority. Copper tube used underground shall have a
weight of not less than copper water tube type K and aboveground shall be a weight of
not less than copper water tube type L.
604.1.5 Approved PEX water pipe may be used in water distribution piping except where
existing metallic water distribution piping is used for electrical grounding purposes,
replacement piping therefore shall be of metallic and PEX will not be allowed.
Exception: Where a grounding system, acceptable to the administrative authority
is installed, inspected and approved, metallic pipe may be replaced with approved
PEX pipe.
604.1.6 PEX. Cross -linked polyethylene (PEX) tubing shall be marked with the
appropriate standard designation(s) listed in table 14-1 for which the tubing has been
listed or approved. PEX tubing shall be installed in compliance with the provisions of this
section.
604.1.7 Licensed installers, employed by licensed plumbing contractors, shall be
appropriately certified by the manufacturer or other approved training agency prior to
commencing any PEX tubing installation.
713.4 , is amended by adding the following subsection:
713.4.1 Public Systems Available. A public water supply system and/or public sewer
system shall be deemed available to premises if such premises are within two hundred
(200) feet, measured along a street, alley, or easement, of the public water supply or
sewer system and a connection conforming to the standards set forth in this code shall be
made thereto.
Section 715 is amended by adding the following subsection:
715.1 .1 The building sewer, beginning two (2) feet from any building or structure, shall
be schedule 40 PVC, PVC SDR 23.5, cast iron soil pipe, vitrified clay tile, truss pipe or
concrete pipe.
Section 717 is hereby amended by adding the following subsection:
717.1.1 Size Of Building Sewers. The minimum size of any building sewer shall
be determined on the basis of the total number of fixture units drained by such
sewer, in accordance with table 7-8. No building sewer shall be smaller than the
building drain. Minimum size of a building sewer is four (4) inches.
Section 906 is amended by repealing subsection 906.7 in its entirety; and by enacting in
lieu thereof a new subsection 906.7 as follows:
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906.7 Frost or Snow Closure. Where frost or snow closure is likely to occur, vent
terminals shall be minimum three inches (3") in diameter but in no case smaller than the
required pipe. The change in diameter shall be made inside the building at least one (1)
foot below the roof and terminate not less than 12 inches above roof.
Section1007 , is amended by repealing subsection 1007.1 and enacting a new subsection
1007.1 to read as follows:
1007.1 Trap Seal Protection. All automatic floor drain primers or trap seal valves are
prohibited.
Section 1009 , is hereby repealed in its entirety and a new section 1009 is hereby
enacted in lieu thereof as follows:
1009 Industrial Interceptors (Clarifiers) and Separators.
1009.1 Drainage from commercial garages, gasoline filling stations, dry cleaning
establishments, oil extraction plants, and other industries where oils or solvents
are used, is likely to contain inflammable compound, which shall therefore be
intercepted before discharging into the city sewer. The interceptor shall have a
capacity sufficient to separate the oil, grease, or other inflammable compound and
shall be so located and constructed to prevent fire or explosion. Drainage from
commercial garages and oil stations where automobile wash racks are installed is
also likely to contain mud and sand, which shall be separated from the wastes
before discharging into the city sanitary sewer. Hence, the interceptor for these
wastes shall afford sufficient capacity for both separating the oils and grease by
flotation and the sand and mud by settling.
1009.2 For drainage from commercial garages or other places where wastes are
likely to contain sand, mud, or other solid material in addition to oil, grease, or
other inflammable compounds, a minimum capacity of 50 cubic feet, with a
minimum effective depth of 3 feet, shall be provided and a vent and manhole with
tightly fitting cover shall be installed.
1009.3 All interceptors shall be cleaned periodically.
1009.4 Subsections 1009.1 through 1009.5 of this section shall apply except for
manufactured or prefabricated concrete interceptors that comply with approved
applicable standards. See "Exhibit A. Commercial Mud Trap" 39.
1009.5 For details, see diagram marked "Exhibit B. Mud Trap Or Inflammable
Waste Interceptors" 1.
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Subsection 1017.3 is hereby repealed in it's entirety and a new subsection 1017.3 is
hereby enacted as follows:
1017.3 Residential Garage Interceptor. If a drain is installed in a residential garage, an
interceptor shall be required. See "Exhibit D. Residential Garage Interceptor".
(Ord. 5392, 3-20-2017)
ARTICLE B. PLUMBING BOARD FOR LICENSING AND APPEALS
SECTION:
9-4B-1: Board Established; Composition
9-4B-2: Appointment; Terms
9-4B-3: Quorum
9-4B-4: Duties
9-4B-1: BOARD ESTABLISHED; COMPOSITION:
A. Establishment Of Board: There is hereby established a plumbing board for appeals
hereinafter referred to as the board, with authority and responsibility as follows:
1. To act as a board of appeals as provided in the Waterloo plumbing code.
2. To periodically review the provisions of the Waterloo plumbing code and make
recommendations to the city council for improving and updating said document.
B. Composition Of Board: The board shall consist of five (5) members, all of whose place of
business, residence, or work is located in the city. All members shall be qualified by
experience and training to pass judgment upon matters pertaining to the installation of
plumbing. The membership shall be as follows: two (2) licensed master plumbers, one
licensed journeyman plumber, one registered professional mechanical engineer, and one
member at large, with no one company or interest being represented by more than one
member of the board. The city plumbing inspector or their designee shall act as secretary
to the board. (Ord. 5392, 3-20-2017)
9-4B-2: APPOINTMENT; TERMS:
A. Appointment: The mayor with the approval of the city council shall appoint the members
of the plumbing board for licensing and appeals.
B. Terms: After the initial appointment of the board, the terms of the members shall be for
three (3) years except that the initial terms shall be so arranged and staggered that the
terms of no more than two (2) members shall expire on December 31 of any one year. A
vacancy within any term shall be filled by appointment of the mayor with the approval of
19
the city council for the unexpired portion of that term only. Each member can serve a
total of two (2) 3-year terms.
C. Compensation: The members of the board shall serve without compensation.
D. Organization: The board shall designate a member as chair and shall adopt reasonable
rules for conducting its investigations and proceedings, and shall render all decisions and
findings in writing to the building official with a duplicate copy to the appellant and may
recommend to the city council new legislation as is consistent therewith. (Ord. 5392, 3-
20-2017)
9-4B-3: QUORUM: Three (3) members of the board shall constitute a quorum for the
transaction of business, provided that a decision on a matter relating to a specific license shall
not be valid unless decided in the presence of a board member who holds a similar valid license.
Any vote taken for the purpose of suspending or revoking a contractor's license shall require a
majority vote of all members of the board. (Ord. 5392, 3-20-2017)
9-4B-4: DUTIES: The plumbing board for appeals shall receive applications for appeals based
on a claim that the true intent of this code has been incorrectly interpreted, the provisions of the
code do not fully apply, or an equally good or better form of compliance with the code is
proposed. The board shall have no authority to waive requirements of this code. The plumbing
board for licensing and appeals shall also act as the Black Hawk County Plumbing Board for
appeals, as permitted by Black Hawk County Ordinance 46, the Black Hawk County Plumbing
Code. (Ord. 5392, 3-20-2017)
ARTICLE C. PLUMBING CONTRACTORS
SECTION:
9-4C-1: Classification of Plumbers
9-4C-2: Pipe Layer Business (Contractor's) License
9-4C-3: Pipe Layer's Certificate of Insurance
9-4C-4: Conditions of License
9-4C-5: Persons Authorized and Reporting
9-4C-6: Revocation of Licenses
9-4C-1: CLASSIFICATION OF PLUMBERS:
A. Pipe Layer:
1. Definition: "Pipe layer" shall mean a person who installs, lays, repairs, removes or
caps off sanitary sewer pipe between the public sanitary sewer main in the street or
easement and a point two feet (2') outside the foundation wall of a building or structure.
20
2. Qualifications: A pipe layer shall be qualified in the principles of the hydraulics of
liquids in sewer pipes and related matters and shall be familiar with the pertinent
provisions of the Waterloo plumbing code and the rules and regulations of the local and
state boards of health as such provisions, rules and regulations pertain to sewers and
sewer service pipes.
3. Licensing: Any person desiring to be licensed as a pipe layer shall make application
to the building department on forms furnished by said department accompanied by a fee.
Upon receipt of the application and fee, the building department shall schedule the
administration of a test prescribed by the plumbing board. If the applicant obtains a
passing score he shall be issued a pipe layer's license upon the payment of an additional
fee of fifty dollars ($50.00) the first year. The renewal fee will be twenty five dollars
($25.00) per year.
4. Authorized Work: A pipe layer's license shall not be construed as license or permit to
do plumbing work as a state licensed plumber in the city as defined in this chapter.
Except for the installation, laying, removing, repairing or capping off of sewer between
public main and a point two feet (2') outside building, every pipe layer shall be hereby
prohibited from doing any plumbing work within the city unless he is licensed as a
plumber by the state in conformance with the provisions of the Waterloo plumbing code,
as amended.
5. Pipe Laying: No person shall engage in the construction, reconstruction, laying,
alteration, repair, removal or capping off of a sanitary sewer between public main and a
point two feet (2') outside building in the city without first having obtained a state
plumber's license or a Waterloo pipe layer's license, along with an approved certificate of
insurance on file with the city and having obtained a plumbing permit for sewer
installation from the building department as required by this chapter. (Ord. 5392, 3-20-
2017)
9-4C-2: PIPE LAYER BUSINESS (CONTRACTOR'S) LICENSE:
Applicants who have met the requirements of the board and upon payment of a fee of two
hundred dollars ($200.00) for the first year and having in place a certificate of insurance as
herein provided for, issue to such applicant a pipe layer business (contractor's) license in the
name of the city of Waterloo, by the plumbing inspector. Renewal license fee will be one
hundred dollars ($100.00) per year.
It shall be unlawful for any person to install, erect, alter, repair, service, reset, replace thereto, as
defined in the plumbing code, unless said person or some member of such firm or corporation
shall first have obtained a state plumbing contractor license or pipe layer business (contractor's)
license or unless such person, firm or corporation has regularly and steadily in his employ a
holder of such a license, who shall be the authorized representative of the person, firm or
corporation in all matters pertaining to this chapter. The authorized representative who is the
holder of a state plumbing contractor license or pipe layer business (contractor's) license may not
21
apply for permits for more than one person, firm, or corporation and the permit shall apply only
to the type of work pertaining to the specific license possessed by the license holder. (Ord. 5392,
3-20-2017)
9-4C-3: PIPE LAYER'S CERTIFICATE OF INSURANCE:
A pipe layer's application shall be filed with the building official (or a specified
intergovernmental agency if so designated by the building official) accompanied by a certificate
of insurance written by a company authorized to transact business in the state, in limits of not
less than three hundred thousand dollars ($300,000.00) combined single limit to any person and
one hundred thousand dollars ($100,000.00) property damage; said certificate to be written on a
standard form and carrying an endorsement naming the city and its employees (or the
intergovernmental agency designated by the building official) as additional insureds as its
interest may appear and conditioned upon the faithful performance of all duties required of such
contractor by any ordinances, rules and regulations of the city. It shall be a further condition of
said certificate of insurance that the obligator will hold the city (through the specified
intergovernmental agency if so designated) harmless from any and all damages sustained by
reason of neglect or incompetency on the part of such contractor, his agents or employees in the
performance of the work done under a license or permit issued upon the filing of said certificate.
Said certificate of insurance shall be issued by December 31 of each year, and shall be filed on or
before said date for each subsequent year and shall be in continuous full force and effect. That it
is the intent and purpose of said certificate of insurance to also bind the individual, company,
firm, association or partnership, whether it be a trade name, corporation, or other business
association or arrangement with which the principal is associated.
Homeowners working on their principal residence shall be exempt from filing said certificate.
(Ord. 5392, 3-20-2017)
9-4C-4: CONDITIONS OF LICENSE:
Any license not renewed prior to December 31 shall expire thirty (30) calendar days thereafter,
and shall be renewed upon payment of a double fee. (Ord. 5392, 3-20-2017)
9-4C-5: PERSONS AUTHORIZED AND REPORTING:
A. Must Be Licensed: No person other than those holding a state plumbing contractor license or
pipe layer's license issued by the city of Waterloo, shall not tap any water or sewer mains, nor
install any private building sewer, water service, private sewage disposal plant or private water
system; nor shall they make any connections, extension, replacement, removals or additions of
any nature to the sanitary plumbing or water supply system or disconnect any fixture or change
the sanitary or water pipe arrangement.
B. Exceptions: Those persons who perform the function of water softener installers only, and
who do not perform any other plumbing work, may install water softeners only; provided, that
22
said person obtains the proper permits, prior to any work performed, has in place insurance as by
this chapter provided, requests and has inspected by the plumbing inspector any installations, and
pays any and all inspection fees. (Ord. 5392, 3-20-2017)
9-4C-6: REVOCATION OF LICENSES:
A pipe layer's license or a state plumbing contractor license may be revoked for cause by the
board, after a hearing by said board, upon a written notice served upon the person in whose name
said license is issued, not less than ten (10) days prior to the date of hearing, stating the time and
place thereof and the grounds for such hearing. (Ord. 5392, 3-20-2017)
This ordinance shall be in full force and effect from and after its passage and publication
as provided by law.
INTRODUCED: November 21, 2022
PASSED 1st CONSIDERATION: November 21, 2022
PASSED 2nd CONSIDERATION: November 21, 2022
PASSED 3rd CONSIDERATION: November 21, 2022
PASSED AND ADOPTED this 21st day of November, 2022.
ATTEST:
_&„9 c Ven
LeAnn M. Even, CMC, IaCMC
Deputy City Clerk
SEAL
23
Quentin Hart, Mayor
Exibit''A"
The following drawing is an approved type of manufactured or prefabricated
concrete interceptor.
Mud trap sidewalls and floor are reinforced with #3 rebar sidewalls and the
compartment divider are 2 'I12" thick; the floor of the mud trap is 3".
The lid is reinforced with over 20' of #d rebar, and is 5" thick.
Capacity of the mud trap is a nominal 625 gallons; it capacity is calculated
at a conservative 500 gallons, the volume of the inlet compartment is still
.9 cubic yards, and the out -rimy compartment has a volume of 1.8 cubic
yards.
MUD TRAP OR
INFLAMMABLE WASTE INTERCEPTOR
24" ring and cover on each
unit for cleaning purposes
24"
5" —
Lid
L 14"
.9 cubic
yard capacity
4"
Fume Vent
CEeanout
PaMinsuvimir
2'
Seer
Veei
371.6 cubic
1
yard capacity
y _ ii 1i +y
I " t 2 1T
105'
24
53"
3"
Exhibit B'
24' RING AND COVER ON EACH
UNIT FOR CLEANING PURPOSES
CRUD TRAP OR
LNFLAMMABLE WASTE INTERCEPTOR
a'
Fume Vent
.75cubic
yard capacity
1.5 cubic
yard capacity
r
Sevier
4' 'Vent
aam
Out
81-7
5.
Ifi
Note: Dimensions shun are suggested only. Alternate dimensions for
compartments may be used to maintain the same praporriion.
25
Exhibit' C
RECOMMENDED COMMERCIAL KITCHEN GREASE INTERCEPTOR
The Waterloo Plumbing Code requires that thew~ intercepter be not Less than two compartments
with fittings designed for grease retention, The Inlet, outlet, and compartment fitting should be of
the elbow type design with the verbal leg extending to within 12 inches of the interceptor floor. The
fittings shall not be less than 4 inches or the size of the building sewer, whichever is greater, A clean -
out is required on the outlet line, outside the tank,
1?
24"i &Coveraneach mil
tar CloanIrrg Pupc6es
—21-47
Glean Sul
12"
V
26
Clutret
EXHIBIT''D"
The drawing below is the recommended method of installing a
drain in a residential garage_ No dimensions are shown, just
the required 1 cubic foot per each compartment. Also the outlet
of such a drain must be vented.
FLOOR SLAB
Removable Drain Cover Removable Solid Cover
1 Cubic . . 1 Cubic
Foot Foot
ALL FITTINGS CAST IRON PIPE
27
Cieanout
Flow Line
B" Water Seal