1090 2012 International Mechanical Code
ORDINANCE NO. 1090
AN ORDINANCE ADOPTING THE INTERNATIONAL MECHANICAL CODE, 2012
EDITION; PROVIDING FOR THE ADOPTION OF LOCAL AMENDMENTS
THERETO; PROVIDING FOR RECORDING OF SUCH CODE AS A PUBLIC
RECORD; PROVIDING THAT THIS ORDINANCE SHALL BE CUMULATIVE OF
ALL ORDINANCES; PROVIDING A SEVERABILITY CLAUSE; PROVIDING A
SAVINGS CLAUSE; PROVIDING FOR PUBLICATION IN PAMPHLET FORM;
PROVIDING FOR PUBLICATION IN THE OFFICIAL NEWSPAPER; AND
PROVIDING AN EFFECTIVE DATE.
WHEREAS, The City of Southlake, Texas is a home rule city acting under its charter
adopted by the electorate pursuant to Article XI, Section 5 of the Texas Constitution and
Chapter 9 of the Local Government Code; and
WHEREAS, City Council of the City of Southlake deems it necessary to adopt this
ordinance governing requirements for the installation and maintenance of Heating, Air
Conditioning and other Mechanical systems including requirements for materials, in order
to protect the health, safety and welfare of the citizens of the City of Southlake.
WHEREAS, beginning in the spring of 2012, NCTCOG's Regional Codes
Coordinating Committee (RCCC) and its four advisory boards conducted open review
meetings over a 1 -year period to review the 2012 editions of the International Codes and to
develop regional amendments. Their review and recommendations were completed and
endorsed by NCTCOG's Executive Board in March 2013. Now NCTCOG encourages
jurisdictions in North Central Texas to adopt the 2012 International Mechanical Code along
with its respective regional amendments:
NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF
SOUTHLAKE, TEXAS:
SECTION 1
That the International Mechanical Code, 2012 Edition, published by The
International Code Council, Inc., is hereby adopted as the Mechanical Code of the City of
Southlake, except for mechanical systems otherwise regulated under the International
Residential Code for One- and Two- Family Dwellings as adopted. A true and correct copy
of this Code is attached to this ordinance as Exhibit "A."
SECTION 2
That the 2012 International Mechanical Code, as adopted herein, is hereby
amended as provided in Exhibit "B" incorporated herein and attached hereto for all
purposes of this ordinance. The City of Southlake may from time to time determine that
additional local modifications to the 2012 International Mechanical Code are necessary and
appropriate to meet the unique construction needs of the City of Southlake. To effectuate
these modifications, the City council shall enact individual ordinances amending this
ordinance fully setting forth the change to be made in the code. The amendments shall be
consolidated as Exhibit "B" to this ordinance.
SECTION 3
The material contained in Exhibits "A" and "B" to this ordinance shall not be included
in the_formal municipal codification of ordinances, but shall be maintained as a public
record in the office of the City Secretary and will be available for public inspection and
copying during regular business hours.
SECTION 4
This ordinance shall be cumulative of all provisions of ordinances of the City of
Southlake, Texas, except where the provisions of this ordinance are in direct conflict with
the provisions of such ordinances, in which event the conflicting provisions of such
ordinances are hereby repealed.
SECTION 5
It is hereby declared to be the intention of the City Council that the phrases, clauses,
sentences, paragraphs and sections of this ordinance are severable, and if any phrase,
clause, sentence, paragraph or section of this ordinance shall be declared unconstitutional
by the valid judgment or decree of any court of competent jurisdiction, such
unconstitutionality shall not affect any of the remaining phrases, clauses, sentences,
paragraphs and sections of this ordinance, since the same would have been enacted by
the City council without the incorporation in this ordinance of any such unconstitutional
phrase, clause, sentence, paragraph or section.
SECTION 6
Any person, firm or corporation who violates, disobeys, omits, neglects or refuses to
comply with or who resists the enforcement of any of the provisions of this ordinance shall
be fined not more than Two Thousand Dollars ($2,000.00) all violations involving zoning,
fire safety or public health and sanitation, including dumping or refuse, and shall be fined
not more than five hundred dollars_($500) for all other violations of this ordinance each day
that a violation is permitted to exist shall constitute a separate offense.
SECTION 7
All rights and remedies of the City of Southlake are expressly saved as to any and
all violations of the provisions of any ordinances affecting the installation and maintenance
of heating, air conditioning and other mechanical systems which have accrued at the time
of the effective date of this ordinance; and, as to such accrued violations and all pending
litigation, both civil and criminal, whether pending in court or not, under such ordinances,
same shall not be affected by this ordinance buy may be prosecuted until final disposition
by the courts.
SECTION 8
The City Secretary of the City of Southlake is hereby authorized to publish this
ordinance in book or pamphlet form for general distribution among the public, and the
operative provisions of this ordinance as so published shall be admissible in evidence in all
courts without further proof than the production thereof.
SECTION 9
The City Secretary of the City of Southlake is hereby directed to publish in the official
newspaper the City of Southlake, the caption, penalty clause, publication clause and
effective date of this ordinance one time within ten days after passage of this ordinance, as
required by Section 3.13 of the Charter of the City of Southlake.
SECTION 10
This ordinance shall be in full force and effect from and after its passage and
publication as required by law but not before April 1, 2014.
APPROVED ON FIRST READING THIS 18TH DAY OF FEBRUARY, 2014.
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EXHIBIT A
2012 International Mechanical Code Complete Edition
Located in the Office of the City Secretary, City of Southlake, Texas.
5
EXHIBIT "B"
Amendments to the 2012 International Mechanical Code
The following sections, paragraphs, and sentences of the 2012 International Mechanical Code are hereby
amended as follows: Standard type is text from the IMC. Underlined type is text inserted. LLined thro type i
deleted tcxt from the IMC. A double asterisk at the beginning of a section identifies an amendment carried
over from the 2009 edition of the code and a triple asterisk identifies a new or revised amendment with the
2012 edition of the code.
"Section 102.8; change to read as follows:
102.8 Referenced codes and standards. The codes and standards referenced herein shall be those
that are listed in Chapter 15 and such codes, when specifically adopted, and standards shall be
considered part of the requirements of this code to the prescribed extent of each such reference. Where
differences occur between provisions of this code and the referenced standards, the provisions of this
code shall apply. Whenever amendments have been adopted to the referenced codes and standards,
each reference to said code and standard shall be considered to reference the amendments as well. Any
reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted.
(Reason: Legal wording to recognize locally adopted codes and amendments adopted with referenced
codes.)
*"Section 304.6; delete.
(Reason: This provision does not reflect standard practice in this area. Consistent with regional
amendment to 1FGC 305.5.)
** *Section 306.3; change to read as follows:
306.3 Appliances in attics. Attics containing appliances requiring access shall be provided ... {bulk of
paragraph unchanged) ... side of the appliance. The clear access opening dimensions shall be a
minimum of 20 inches by 30 inches (508 mm by 762 mm), or larger where such dimensions are not large
enough to allow removal of the largest appliance. A walkway to an appliance shall be rated as a floor as
approved by the building official. As a minimum, for access to the attic space, provide one of the
following:
1. A permanent stair.
2. A pull down stair with a minimum 300 lb (136 kg) capacity.
3. An access door from an upper floor level.
4. Access Panel may be used in lieu of items 1, 2, and 3 with prior approval of the code official
due to building conditions.
6
Exceptions:
1. The passageway and level service space are not required where the appliance is capable
of being serviced and removed... {remainder of section unchanged)
(Reason: To provide a safe means of accessibility to appliances in attics and to allow for different types of
construction limitations. Consistent with regional amendment to IFGC 306.3.)
** *Section 306.5; change to read as follows:
306.5 Equipment and appliances on roofs or elevated structures. . Where equipment requiring
access or appliances are located on an elevated structure or the roof of a building such that personnel will
have to climb higher than 16 feet (4877 mm) above grade to access, an a permanent interior or exterior
means of access shall be provided. Permanent exterior ladders providing roof access need not extend
closer than-8- 12 feet (2438 mm) to the finish grade or floor level below and shall extend to the equipment
and appliances' level service space. Such access shall ... (bulk of section to read the same)... on roofs
having a slope greater than 4 units vertical in 12 units horizontal (33- percent slope).... {bulk of section to
read the same).
(Reason: To assure safe access to roof appliances and provide a greater level of security for equipment
locate more than 16 feet above grade. Consistent with IFGC amendments.)
**Section 306.5.1; change to read as follows:
306.5.1 Sloped roofs. Where appliances, equipment, fans or other components that require service are
installed on a roof having a slope of 3 unite vertical in 12 unite horizontal (25 percent elope) or greater on
roofs having slopes greater than 4 units vertical in 12 units horizontal and having an edge more than 30
inches (762 mm) above grade at such edge, a catwalk at least 16 inches in width with substantial cleats
spaced not more than 16 inches apart shall be provided from the roof access to a level platform at the
appliance. The level platform shall be provided on each side of the appliance to which access is required
for service, repair or maintenance. The platform shall be not Tess than 30 inches (762 mm) in any
dimension and shall be provided with guards. The guards shall extend not less than 42 inches (1067 mm)
above the platform, shall be constructed so as to prevent the passage of a 21- inch - diameter (533 mm)
sphere and shall comply with the loading requirements for guards specified in the International Building
Code.
(Reason: To assure safe access to roof appliances. Consistent with IFGC amendments.)
**Section 306; add Section 306.6 to read as follows:
306.6 Water heaters above ground or floor. When the mezzanine or platform in which a water heater
is installed is more than eight (8) feet (2438 mm) above the ground or floor level, it shall be made
accessible by a stairway or permanent ladder fastened to the building.
7
Exception: A max 10 gallon water heater (or larger with approval) is capable of being accessed
through a lay -in ceiling and a water heater is installed is not more than ten (10) feet (3048 mm) above
the ground or floor level and may be reached with a portable ladder.
306.6.1 Whenever the mezzanine or platform is not adequately lighted or access to a receptacle
outlet is not obtainable from the main level, lighting and a receptacle outlet shall be provided in
accordance with Section 306.3.1.
(Reason: To provide safe access to water heaters and to provide lighting and receptacle for maintenance
of equipment. Consistent with regional amendments to 1FGC 306.7 and IPC 502.5.)
**Section 307.2.2; change to read as follows:
307.2.2 Drain pipe materials and sizes. Components of the condensate disposal system shall be cast
iron, galvanized steel, copper, cross - linked polyethylene, fie, polyethylene, ABS, CPVC or
schedule 80 PVC pipe or tubing when exposed to ultra violet light. All components shall be selected for
the pressure_aed temperature, and exposure rating of the installation. {Remaining language unchanged}
(Reason: To provide greater flexibility of materials when exposed to ultra violet light.)
"Section 307.2.3; amend item 2 to read as follows:
2. A separate overflow drain line shall be connected to the drain pan provided with the equipment. Such
overflow drain shall discharge to a conspicuous point of disposal to alert occupants in the event of a
stoppage of the primary drain. The overflow drain line shall connect to the drain pan at a higher level
than the primary drain connection. However, the conspicuous point shall not create a hazard such as
dripping over a walking surface or other areas so as to create a nuisance.
(Reason: Greater specificity in prohibited locations for condensate discharge. Consistent with regional
amendment to IPC 314.2.1.)
**Section 403.2.1; add an item 5 to read as follows:
5. Toilet rooms within private dwellings that contain only a water closet, lavatory or combination
thereof may be ventilated with an approved mechanical recirculating fan or similar device
designed to remove odors from the air.
(Reason: Consistent with common regional practice. Consistent with regional amendment to IRC
R303.3.)
**Section 501.2; add an exception to read as follows:
501.2 Exhaust discharge. The air removed by every mechanical exhaust system shall be discharged
outdoors at a point where it will not cause a nuisance and not less than the distances specified in Section
501.2.1. The air shall be discharged to a location from which it cannot again be readily drawn in by a
8
ventilating system. Air shall not be exhausted into an attic or crawl space.
Exceptions:
1. Whole -house ventilation -type attic fans shall be permitted to discharge into the attic space of
dwelling units having private attics.
2. Commercial cooking recirculating systems.
3. Toilet room exhaust ducts may terminate in a warehouse or shop area when infiltration of
outside air is present.
(Reason: Provide a reasonable alternative in areas where a large volume of outside air is present.)
**Section 607.5.1; change to read as follows:
607.5.1 Fire Walls. Ducts and air transfer openings permitted in fire walls in accordance with Section
705.11 of the International Building Code shall be protected with listed fire dampers installed in
accordance with their listing. For hazardous exhaust systems see Section 510.1 -510.9 IMC.
(Reason: Correspond with un- amended IBC 710.7.)
END
9
INVOICE
Star - Telegram Customer ID: CIT57
808 Throckmorton St. Invoice Number: 329367951
FORT WORTH, TX 76102
(817) 390 -7761 Invoice Date: 3/21/2014
Federal Tax ID 26- 2674582 -- : Terms: Net due in 21 days
Due Date: 3/31/2014
Bill To AP R ® 2014 PO Number: 21400046
CITY OF SOUTHLAKE A " "� < ;� :, -
1400 MAIN ST Order Number: 32936795
FINANCE ut i�kr� 11✓t �,. r Sales Rep: 073
STE 440
SOUTHLAKE, TX 76092 -7604 Description: CITY OF SOUTHLA
Attn:Attn: ACCOUNTS PAYABLE Publication Date: 3/21/2014
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CITY OF SOUTHLAKE, TEXAS Legal Notices
CITY 0 AN ORDINANCE E ADOPTING ' THE i 1 43 43 LINE $1.20 $51.60
INTERNATIONAL MECHANICAL and shall be fined not more than
CODE, 2012 EDITION PROVIDING five hundred dollars ($500) for any
FOR THE ADOPTION OF LOCAL other violation of this ordinance.
AMENDMENTS THERETO; PRO - ; Each day that a violation is
VIDING RECORD permitted s separate offense. to exist constitute Net Amount: $$1.60
PROVIDING THAT THIS ORDI- Passed and approved this the 4th
NANCE SHALL BE CUMULATIVE day of March, 2014 during the
OF ALL ORDINANCES; PROVIDING regular City Council meeting pro -
A. SEVERABILITY CLAUSE; PRO- viding for an effective date of April
VIDING A SAVINGS CLAUSE; 1, 2014.
PROVIDING FOR PUBLICATION IN Mayor: John C. Terrell
PAMPHLET FORM; PROVIDING Attest: Alicia Richardson, City Sec -
FOR PUBLICATION IN THE OFFI- retary
CIAL NEWSPAPER;' AND PROVID-
ING AN EFFECTIVE DATE.
Any person, firm or corporation who
violates, disobeys,, omits. neglects
or refuses to comply with or who '
resists the enforcement of any of
the provisions of this ordinance
shall be fined not more than Two
Thousand Dollars ($ 2,000.00) for r„..,�.„ -.m°^° '• °°°""'° °" f,,..,-.,„..,r -,
any violation involving zoning, fire ^! ^ �++!; +;o,
safety or public health and sani :; ML ,.
tation, including dumping or refuse, �c Nprar,• Puh■ic, State of Texas
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THE STATE OF TEXAS '
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County of Tarrant OF,= c, Before me, a Notary Public in and for said County and State, this day personally appeared Deborah Baylor, Bid and Legal Coordinator for the Star -
Telegram, published by the Star - Telegram, Inc. at Fort Worth, in Tarrant County, Texas; and who, after being duly sworn, did depose and say that the
attached clipping of an advertisement was published in the above named paper on the listed dates: BIDS & LEGAL DEPT. STAR TELEGRAM
(817) 215 -2323 • ,
Signed \_ , '�._ Alb �`
SUBSCRIBED AND SWORN TO BEFORE ME, THIS Friday, March 1 ,20i 4. . i
Notary Public _ / _ , .6 , r . ./ - ,4'
Thank You For Your Payment
Remit To: Star - Telegram Customer ID: CIT57
P.O. BOX 901051 Customer Name: CITY OF SOUTHLAKE
FORT WORTH, TX 76101 -2051 Invoice Number: 329367951
Invoice Amount: $51.60
PO Number: 21400046
Amount Enclosed: $
INVOICE
Star - Telegram Customer ID: CIT57
808 Throcicmorton St. Invoice Number: 329177711
FORT WORTH, TX 76102
(817) 390 -7761 Invoice Date: 3/7/2014
Federal Tax ID 26- 2674582 Terms: Net due in 21 days
Due Date: 3/31/2014
Bill To: PO Number: 21400046
CITY OF SOUTHLAKE
1400 MAIN ST Order Number: 32917771
STE 440 Sales Rep: 073
SOUTHLAKE, TX 76092 -7604 Description: CITY OF SOUTHLA
Attn: Attn: ACCOUNTS PAYABLE Publication Date: 3/7/2014
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CITY OF ' "'""ORDINATICE'NO: II/s1 I3580 1 35 35 LINE $1.20 $42.00
AN ORDINANCE ADOPTING THE
INTERNATIONAL MECHANICAL
CODE, 2012 EDITION; PROVIDING
FOR THE ADOPTION OF LOCAL
AMENDMENTS THERETO; PRO -
CODE ASRARECORDING RECORD; N Amount: $42.00
PROVIDING THAT THIS ORDI-
NANCE SHALL BE CUMULATIVE
OF ALL ORDINANCES• PROVIDING
A SEVERABILITY CLAUSE; PRO-
VIDING A SAVINGS CLAUSE;
PROVIDING FOR PUBLICATION IN
PAMPHLET FORM; PROVIDING
FOR PUBLICATION IN THE OFFI-
CIAL NEWSPAPER; AND PROVID-
ING AN EFFECTIVE DATE.
Any person, firm or corporation who r°'- c�
violates, disobeys, omits, neglects e
or refuses to comply with or who V �;='.
resists the enforcement of any of 'i 0
the provisions of this„ ordinance (' T :\
shall be fined not more than Two � 'S' N
Thousand Dollars ($2,000.00) for ,.,nw.:.^..,.. ' ..� ` ,..,.v. ",
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each offense. Each day that a ? -�^ --- Z ,, - --- __ CW;F!1STY LYNNE HOLLAND
violation is permitted to exist shall
constitute a separate offense. I . ° , 4 _ ''`' Noia� v Public, State of Texas
Passed and approved this the 4th c � = My Commission Expires
day of March 2014 during the I 3., r f - '' +;
regular City Council meeting. l fit' s _� ""4,T4,00" Ju y 3i, 2016
THE ST, Mayor: John C. Terrell %.
Attest: Alicia ^
Richardson„ City Sec- ' -
County y:. _
Before me, a Notary Public in and for said County and State, this day personally appeared Deborah Baylor, Bid and Legal Coordinator for the Star -
Telegram, published by the Star - Telegram, Inc. at Fort Worth, in Tarrant County, Texas; and who, after being duly sworn, did depose and say that the
attached clipping of an advertisement was published in the a , • • - named paper on the listed dates: BIDS & LEGAL DEPT. STAR TELEGRAM
(817) 215-2323
Signed —
SUBSCRIBED AND SWORN TO BEFORE ME, THIS Friday, Marc 7720 . /
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Notary Public / 1 i , . 4 ... .sue . Stu.
■
Thank You For Your Payment
Remit To: Star - Telegram Customer ID: CIT57
P.O. BOX 901051 Customer Name: CITY OF SOUTHLAKE
FORT WORTH, TX 76101 -2051 Invoice Number: 329177711
Invoice Amount: $42.00
PO Number: 21400046
Amount Enclosed: