HomeMy WebLinkAbout075 - - AMENDING CHAPTER 5, ARTICLE IV OF CITY CODE FOR THE PURPOSE OF REPEALING THE 2012 INTERNATIONAL MECHORDINANCE NO. 075, 2017
OF THE COUNCIL OF THE CITY OF FORT COLLINS
AMENDING CHAPTER 5, ARTICLE IV OF THE CODE OF THE
CITY OF FORT COLLINS FOR THE PURPOSE OF REPEALING THE
20121NTERNATIONAL MECHANICAL CODE(IMC), AND ADOPTING THE
2015 INTERNATIONAL MECHANICAL CODE, WITH AMENDMENTS
WHEREAS, since 1924, the City has reviewed, amended and adopted the latest
nationally recognized building standards available for the times; and
WHEREAS, upon recommendation of City staff, the City Council has determined that it
is in the best interests of the City to align the five interconnected basic construction codes under
one publication year; and
WHEREAS, the five interconnected basic construction codes are the International
Building Code, International Residential Code, International Mechanical Code, International
Fuel Gas Code, and International Energy Conservation Code; and
WHEREAS, the City Council has determined that the 2015 publication year of the five
interconnected basic construction codes ought to be adopted and that their counterpart codes
previously adopted should be repealed, both in order to align the publication years of the codes
and also because the 2015 publications contain improvements in construction code regulation;
and
WHEREAS, City staff has conducted a significant public outreach program, working
with the regulated construction industry and building professionals; and
WHEREAS, the adoption of the five interconnected basic construction codes has been
presented to and recommended by the Affordable Housing Board, the Commission on Disability,
the Air Quality Advisory Board, the Natural Resources Advisory Board, the Building Review
Board, the Electric Board, the Landmark Preservation Commission and the Water Board; and
WHEREAS, the City Council has determined that it is in the best interest of the health,
safety and welfare of the City and its citizens that the 2012 International Mechanical Code, as
adopted and amended by the City pursuant to Ordinance No. 021, 2014, be repealed, and that in
its place, the 2015 International Mechanical Code be adopted, with amendments.
WHEREAS, pursuant to the City Charter II, Section 7, City Council may enact any
ordinance which adopts a code by reference in whole or in part provided that before adoption of
such ordinance the Council hold a public hearing thereon and that notice of the hearing is
published twice in a newspaper.of general circulation published in the City, with one of such
publications occurring at least eight (8) days preceding the hearing and the other publication
occurring at least fifteen (15) days preceding the hearing; and
WHEREAS, in compliance with Article II, Section 7, the City Clerk published in the Fort
Collins Coloradoan such notice of hearing concerning adoption of the 2015 International
Mechanical Code on May 21, 2017, and May 28, 2017; and
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WHEREAS, attached as Exhibit "A" and incorporated herein by reference is the Notice
of Public Hearing dated May 14, 2017, that was so published and which the Council hereby finds
meets the requirements of Article II, Section 7 of the City Charter.
NOW, THEREFORE, BE IT ORDAINED BY THE COUNCIL OF THE CITY OF
FORT COLLINS as follows:
Section 1. That the City Council hereby makes and adopts the determinations and .
findings contained in the recitals,set forth above.
Section 2. That Section 5-106 of the Code of the City of Fort Collins is hereby
amended to read as follows:
Sec. 5-106.—Adoption of standards.
Pursuant to the power and authority conferred on the City Council by Section 31-16-202,
C.R.S., and Article II, Section 7 of the Charter, the City Council hereby repeals the 2012
International Mechanical Code (2012 IMC) and adopts as the mechanical code of the
City the 2015 International Mechanical Code (2015 IMC), published by the
International Code Council, which shall have the same force and effect as though set
forth in full herein except as amended pursuant to Section 5-107 of the City Code. The
subject matter of the 2015 International Mechanical Code (2015 IMC), adopted herein
includes comprehensive provisions and standards regulating and controlling the design,
construction, installation, quality of materials, location, operation and maintenance of
heating, ventilating, cooling and refrigeration systems, incinerators, miscellaneous heat-
producing appliances for the purposes of protecting public health, safety and general
welfare. None of the 2015 International Mechanical Code Appendices are hereby
adopted.
Section 3. That Section 5-107 of the Code of the City of Fort Collins is hereby
repealed and re-enacted to read in its entirety as follows:
Sec. 5-107. - Amendments and deletions to the 2015 International Mechanical Code.
The 2015 INTERNATIONAL MECHANICAL CODE adopted in §5-106 is hereby amended in the
following respects:
1) Section 101.1 Title is hereby retained in its entirety with the following amendments:
101.1 Title. These regulations shall be known as the Mechanical Code of the City of Fort
Collins, hereinafter referred to as "this code."
2) Section 102.8 Referenced codes and standards is hereby retained in its entirety with the
following amendments:
Section 102.8 Reference codes and standards. The codes and standards referenced
herein shall be those that are listed in Section 101.4 of the adopted International Building
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Code, entitled "Referenced Codes" and shall be considered part of the requirements of
this code to the prescribed extent of each such reference.
Exception: Where enforcement of a code provision would violate the conditions of the
listing of the equipment or appliance, the conditions of the listing and the manufacturer's
installation instructions shall apply.
3) Section 103 Department of Mechanical Inspection is hereby deleted and replaced in its
entirety and the following is hereby added in lieu thereof:
SECTION 103—CODE ADMINISTRATION
103.1 Entity charged with code administration. The entity charged with code
administration shall be as determined in accordance with Section 103 of the adopted
International Building Code, entitled "Code Administration."
4) Sections 106.5 Fees, 106.5.1 Work commencing before permit issuance, 106.5.2 Fee
schedule, and 106.5.3 Fee refunds are hereby deleted and replaced in their entirety and
the following is hereby added in lieu thereof:
106.5 Payment of fees. All items relating to fees shall be as specified in Section 109 of
the adopted International Building Code, entitled "Fees."
5) Sections 107.3 Testing and verification, 107.3.1 New, altered, extended or repaired
systems, 107.3.2 Apparatus, material and labor for tests, and 107.3.3 Reinspection and
Testing are hereby deleted and replaced in their entirety and the following is hereby
added in lieu thereof:
107.3 Testing and verification. Installed heating, cooling and ventilation systems shall
be performance-tested by an approved agency and adjusted to operate within design
specifications, in accordance with ANSI/ACCA QI 5-2010 HVAC Quality Installation
Specification. Documentation of results shall be submitted to the building official prior to
approval.
Exception: Buildings subject to commissioning requirements in Section 3604.1 of the
2015 International Building Code as amended.
6) Section 108.4 Violation Penalties is hereby retained in its entirety with the following
amendments:
108.4 Violation penalties. Persons who violate a provision of this code or fail to comply
with any of the requirements thereof or who erect, install, alter or repair a mechanical
work in violation of the approved construction documents or directive of the code
official, or of a permit or certificate issued under the provisions of this code, shall be
guilty of a misdemeanor and shall be subject to the penalties and fines specified in
Section 1-15 of the City Code.
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7) A new Section 108.4.1 Work Commencing before Permit Issuance is hereby added to
read as follows:
108.4.1 Work commencing before permit issuance. In addition to the penalties set
forth in Section 108.4, any person or firm who, before obtaining the necessary permit(s);,
commences any construction of, or work on, a building, structure, electrical, gas,
mechanical or plumbing system that is not otherwise exempted from obtaining a permit,
shall be subject to a fine in.addition to the standard prescribed permit fee. Said fine shall
be equal in amount to the permit fee, except that it shall not be less than $50 nor more
than $1,000 for the first such violation. A person or firm committing the same such
violation repeatedly shall be subject to a fine equal to double the amount of the permit fee
or double the amount of the fee imposed for the preceding violation, whichever is greater,
for every such subsequent violation committed within 180 days of a previous violation.
Said fines may be appealed to the City Manager pursuant to Chapter 2, Article VI of the
City Code.
8) Section 109 Means of Appeal is hereby deleted and replaced in its entirety and the
following is hereby added in lieu thereof:
109 Appeals. Appeals of decisions, determinations and interpretations of this code shall
be made pursuant to the applicable provisions of Section 113 of the adopted International
Building Code, entitled "Board of Appeals."
9) Section 202 GENERAL DEFINITIONS, is hereby amended to add, in alphabetical
order, the following definitions:
Multifamily. Any building housing group R-1, R-2 or R-4 occupancies.
Whole-dwelling unit mechanical ventilation system. An exhaust system, supply system,
or combination thereof that is designed to mechanically exchange indoor air for outdoor
air when operating continuously or through a programmed intermittent schedule to
satisfy the whole-dwelling ventilation rate.,
10) Section 304.3 Elevation of ignition source is hereby retained in its entirety with the
following amendments:
304.3 Elevation of ignition source. Electrical devices, equipment and appliances having
an ignition source and located in hazardous locations and public garages, private garages,
repair garages, automotive motor fuel-dispensing facilities and parking garages shall be
elevated such that the source of ignition is not less than 18 inches (457 mm) above the
floor surface on which the equipment or appliance rests. For the purpose of this Section,
rooms or spaces that are not part of the living space of a dwelling unit and that
communicate directly with a private garage through openings shall be considered to be
part of the private garage.
11) Section 312.1 Load calculations is hereby retained in its entirety with the following
amendments:
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312.1 Heating and cooling load calculations. Heating and cooling system design loads
for the purpose of sizing systems, appliances and equipment shall be determined in
accordance with the adopted International Energy Conservation Code.
12) A new Section 408 Whole-dwelling unit'ventilation is hereby added to read as follows:
408.1 Whole-dwelling unit mechanical ventilation system. For new buildings, a
mechanical exhaust system, supply system, or combination thereof shall be installed for
each dwelling unit to provide whole-dwelling unit ventilation. Such system shall comply
with Sections 407.1.1 through 407.5.
408.1.1 Whole-dwelling unit ventilation rate. The dwelling unit mechanical ventilation
system shall provide outdoor air at a continuous rate of not less than that determined in
accordance with Table M1507.3.3(1).
Exception:
The whole-dwelling unit mechanical ventilation system is permitted to operate
intermittently where the system has controls that enable operation for not less than 25-
percent of each 4-hour segment and the ventilation rate prescribed in IRC Table
M1507.3.3(1) is multiplied by the factor determined in accordance with IRC Table
M1507.3.3(2).
TABLE M1507.3.3(1)
CONTINUOUS WHOLE-HOUSE MECHANICAL VENTILATION SYSTEM AIRFLOW RATE REOUIREMENTS
DWELLING UNIT NUMBER OF BEDROOMS
FLOOR AREA 0-1.1 2-3 1 4-5 1 6-7 1 7
square feet) Airflow in CFM
1.500 30 45 60 75 90
1.501-3,000 45 60 75 90 105
3.001-4.500 60 -75 90 105 120
4,501-6.1 75 90 105 120 135
6.001-7.500 90 105 120 135 150
7.500 105 120 135 150 165
For SI: 1 square root=0.097-9 mz.I cubic Cow per minute=0.0004719 ortls.
TABLE M1507.3.3(2)
INTERMITTENT WHOLE-HOUSE MECHANICAL VENTILATION RATE FACTORS"
RUN-TIME PERCENTAGE IN EACH 44fOUR 25% 33% W% 66% 75% 100%SEGMENT
Factor' 4 3 1 2 1 1.5 1.3 1.0
a. For ventilation s7slem run time slues between those g1 en,the factors am permitted to be determined by tnterpolailon.
b. Fstrapolatlnn be3uul the table is Inohlbited.
408.2 System design. The design of the required whole dwelling unit ventilation system
shall comply with the requirements of this Section. System design documents shall be
submitted, as required by the building official, at the time of application for a building
permit.
408.2.1 System type. The system shall consist of one or more supply or exhaust fans, or
a combination thereof, and associated ducts and controls. Exhaust fans shall be permitted
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to be part of a mechanical exhaust system. Outdoor air ducts connected to the return duct
of a forced air furnace shall be considered to provide supply ventilation and shall be sized
to provide adequate mechanical ventilation in accordance with ASHRAE 62.2 and shall
meet the manufacturer's requirements for minimum return air temperature to the furnace
heat exchanger.
408.2.2 Outdoor air intakes. Outdoor air intakes shall have automatic dampers that close
when the ventilation system is not operating.
408.2.3. Exhausts. Exhausts shall have gravity dampers that close when the ventilation
system is not operating.
408.2.4 Air Circulation fan motors. Motors for air circulation fans used in the
ventilation system, rated at one-quarter horsepower or greater, shall meet at least one of
the following criteria:
1. Where the furnace serves as an air handler for the ventilation system, the furnace
shall be certified as an "Electrically Efficient Furnace" by the Air-conditioning,
Heating and Refrigeration Institute (AHRI).
2. The blower motor shall be specified as a `Brushless DC" (BL or BLDC) motor by the
manufacturer.
3. The blower motor shall be specified as `Brushless Permanent Magnet" (BPM) motor.
4. The blower motor shall be specified as "Electronically Commutated Motor (ECM)."
5. The blower shall meet equivalent criteria acceptable to the building official.
408.2.5 System controls. The mechanical ventilation system shall be provided with
readily accessible and labeled controls that enable occupant override.
408.2.6 Sound ratings for fans. Whole-dwelling unit ventilation fans shall be rated for
sound at a maximum of 1.5 sones, in accordance with the procedures of the Home
Ventilating Institute (HVI 915, Procedure for Loudness Rating of Residential Fan
Products).
Exception:
Heating, ventilating and air conditioning air handlers and remote-mounted fans need not
meet sound requirements. To be considered for this exception, a remote-mounted fan
must be mounted outside the habitable spaces, bathrooms, toilets and hallways, and there
must be at least 4 ft (1 m) of ductwork between the fan and the intake grille.
408.3 System installation. The installation of the whole-dwelling unit ventilation system
and equipment shall be carried out in accordance with the manufacturers' design
requirements and installation instructions.
408.4 Performance verification. Performance of installed mechanical ventilation
systems shall be verified in accordance with Section 107.3.
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408.5 Multifamily buildings. In multifamily buildings, all doors between dwelling units
and common hallways shall be gasketed or otherwise substantially airtight with weather
stripping, except when the ventilation system explicitly requires transfer of air from
corridors into units.
13) Section 504.1 Installation is hereby retained in its entirety with the following
amendments:
504.1 Installation. Clothes dryers shall be exhausted in accordance with the
manufacturer's instructions. Dryer exhaust systems shall be independent of all other
systems and shall convey the moisture and any products of combustion to the outside of
the building. Dryer exhaust duct terminations shall not be located within 36 inches (914
mm) of exterior openings into conditioned spaces, crawl spaces, and attic spaces.
14) Section 504.8.4.2 Manufacturer's instructions is deleted in its entirety:
15) Section 512.1 General is hereby retained in its entirety with the following amendments:
512.1 General. Where a subslab soil exhaust system is provided, the duct for such system
shall conform to the requirements of Section 1211 of the adopted International Building
Code, entitled "Radon-Resistant Construction."
16) Section 602.3 Stud cavity and joist space plenums is hereby deleted and replaced in its
entirety and the following is hereby added in lieu thereof:
Section 602.3 Building cavities (Mandatory). Building framing cavities shall not be
used as ducts or plenums.
17) A new Section 602.3.1 Return air is hereby added to read as follows:
Section 602.3.1 Return air. Return air shall be taken from inside the dwelling. Dilution
of return air with outdoor air shall be permitted. A return air path shall be provided in
all habitable rooms by means of ducts or transfer grills.
18) A new Section 603.18.3 Construction debris and contamination is hereby added to read
as follows:
603.18.3 Construction debris and contamination. Mechanical air-handling systems and
their related ducts shall be protected from the entrance of dirt, debris, and dust during the
construction and installation process. Prior to passing final inspection or issuance of a
Certificate of Occupancy, such systems shall be substantially free of construction-related
contaminants.
19) Section 607.4 Access and identification is hereby retained in its entirety with the
following amendments:
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607.4 Access and identification. Fire and smoke dampers shall be provided with an
approved means of access, large enough to permit inspection and maintenance of the
damper and its operating parts. The access shall not affect the integrity of fire-resistance-
rated assemblies. The access openings shall not reduce the fire-resistance-rating of the
assembly. Access points shall be permanently identified on the exterior and readable
without the removal of finish ceiling works by a label having letters not less than 0.5 inch
12.7 mm) in height reading: SMOKE DAMPER or FIRE DAMPER. Access doors in
ducts shall be tight-fitting and suitable for the required duct construction.
20) Section 801.19 Multistory prohibited is hereby retained in its entirety with the following
amendments:
801.19 Multistory prohibited. Common venting systems for appliances located on more
than one floor level shall be prohibited, except engineered systems where all of the
appliances served by the common vent are located in rooms or spaces that are accessed
only from the outdoors. The appliance enclosures shall not communicate with the
occupiable areas of the building.
21) A new Section 903.LI Solid fuel fireplaces and appliances is added to read as follows:
903.1.1 Solid fuel fireplaces and appliances. Solid fuel fireplaces,fireplace stoves and
solid-fuel-type room heaters shall also comply with Section 5-110 of the City Code.
22) Section 903.3 Unvented gas logs heaters is deleted in its entirety:
Introduced, considered favorably on first reading, and ordered published this 6th day of
June, A.D. 2017, and to be presen or final passage on the 5th day of July, A.D. 2017.
F Von?00
A,
ySEALC:N
Mayor
ATTEST:oioRp°°
Vt/ W
City Clerk
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Passed and adopted on final reading on this 5th day of July, A.D. 2017.
o'
roaT C944yN
u: S
ayor
ATTEST:.
COLORP
toW
City Clerk
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NOTICE OF PUBLIC HEARING
NOTICE is hereby given of a public hearing to be held before the City Council of the
City of Fort Collins, Colorado, on the 6th day of June, A.D., 2017 at 6:00 p.m., or as soon
thereafter as the matter may come on for hearing, in the Council Chambers at the City Hall, 300
LaPorte Avenue, Fort Collins, Colorado for the purpose of considering the adoption of
ordinances adopting by reference the 2015 International Building Code, 2015 International
Residential Code, 2015 International Energy Conservation Code, 2015 International
Mechanical Code, and the 2015 International Fuel Gas Code together with local amendments,
promulgated by the International Code Council.
Not less than one (1) copy of said Codes has been, and now is on file in the Office of the
City Clerk of the City of Fort Collins and is available for public inspection.
The purpose of the International Building Code, International Residential Code,
International Energy Conservation Code, International Mechanical Code, and the International
Fuel Gas Code adopted by said ordinance is to provide for protection of public health and safety
and general welfare.
The City of Fort Collins will make reasonable accommodations for access to City
services, programs and activities and will make special communication arrangements for persons
with disabilities. Please call 221-6515 (V/TDD: Dial 711 for Relay Colorado) for assistance.
This notice is given and published by order of the City of Fort Collins, Colorado.
Dated at Fort Collins, Colorado this 14th day of May, A.D. 2017.
Wanda Winkelmann
City Clerk