0872
2003 International Mechanical Code O. '. FFICIAl RECORD
ORDINANCE NO. 872 : ..
AN ORDINANCE ADOPTING THE INTERNATIONAL MECHANICAL CODE, 2003 EDITION; PROVIDING
FOR THE ADOPTION OF LOCAL AMENDMENTS THERETO; PROVIDING FOR RECORDING OF SUCH
CODE AS A PUBLIC_RECORD; PROVIDING THAT THIS ORDINk~CE SHALL BE CUMULATIVE OF ALL
ORDINANCES; PROVIDING A SEVERABILITY CLAUSE; PROVIDING A SAVINGS CLAUSE;
PROVIDING FOR PUBLICATION IN PAMPHLET FORM; PROVIDING FOR PUBLICATION I.'\T THE
OFFICIAL NEWSPAPER: AND PROVIDING AN EFFECTIVE DATE.
WHER~AS, 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 mstallation and maintenance of Heating, Air Conditioning and other Mechanical systems including requirements for
materia Is, in order to protect the health, safety and welfare of the citizens of the City of Southlake.
WHEREAS, beginning in the summer of 2003, NCTCOG's Regional Codes Coordinating
Committee (RCCC) and its four advisory boards conducted 26 open review meetings over a 10-
month period to review the 2003 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 2004. Now NCTCOG encourages jurisdictions in North Central Texas to
adopt the 2003 Internationall'v1echanical Code along with its respective regional amendments with
an effective date of July 1,2004:
NOW. THEREFORE, BE IT ORDAINED BY THE CITY COU.'\TCIL OF THE CITY OF SOUTHLAKE,
TEXAS:
SECTION 1
That the International Mechanical Code, 2003 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 2003 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 additionallocal modifications to the 200030 International Mechanical Code are necessary and
appropriate to meet the unique construction needs of the City of Southlake. To effectuate these modifications, the
City (ounciJ shall enact individual ordinances amending this ordinance fully setting forth the change to be made in
the code. Upon adoption, copies of these amendments shall be attached to Exhibit "B" to this Ordinance.
SECTION 3
The material contained in Exhibits" A" and "B" to this ordinance shall not be included in theJormal municipal
codtiÌcation of ordinances, but shall be maintained as a public record in the office of the City Building Official and
wiJl 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
ClJnfllcting 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 unconstitutiona] 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. i
SECTION 10
This ordinance shall be in full force and effect from and after its passage and publication as required by law,but not
sooner than September 30,2004,and it is so ordained. +�+a+"""'�n,,�
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1.
Passed And Approved On First Reading On This ) JCI I Day Of til f 14 ,2004 r>,; A S.
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�� ATTEST:_ . ••'`
CITY SECRETARY •''"•''••
MAYOR �„5"" •j0' . •�••
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(7 �++,
Passed And Approved On Second Reading On This 2O hDay Of SJ ,2004. I— D
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ATTEST: .(/l, ,�
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AYOR CITY SECRETAR ''''„,'�;;.*+,++. ++`..,`
APPR• D • - TO F•RM AN' LEGALITY: ��� `,-3.01
a
7 Date: - U-3.O I
City pA
ttomey
EFFECTIVE: I a3iI
2
EXHIBIT "B"
Amendments to the
2003 International Mechanical Code
The following sections, paragraphs, and sentences of the 2003 International Mechanical Code are hereby amended as
follows: (Standard type is text from the IMC, Underlined type is text inserted. Lined through type is deleted text from
the IMC,) A double asterisk at the beginning of a section identifies an amendment carried over from the 2000 edition of
the code and a triple asterisk identifies a new amendment with the 2003 edition of the code. After each code
amendment a reason is given in parentheses. The reason is not a part of the code, but is given to aid in understanding
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 302.3; change to read as follows:
302.3 Cutting, notching and boring in wood framing. When permitted by the International Buildino Code, the +J:::ie
cutting, notching and boring of wood framing members shall comply with Sections 302.3.1 through 302.3.4.
(Reason: Reference IBC and its restrictions.)
**Section 304.6; delete.
(Reason: This provision does not reflect standard practice in this area. Consistent with regional amendment to IFGC
305,5)
**Section 304.9; change to read as follows:
304.9 Clearances from grade. Equipment and appliances installed at grade level shall be supported on a level
concrete slab or other approved material extending above adjoining grade a minimum of 3 inches (76 mm) or shall be
suspended a minimum of 6 inches (152 mm) above adjoining grade.
(Reason: Consistent with current local practice, Consistent with regional amendment to IFGC 305.7.)
**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} . , . from the opening to the appliance, The passageway shall have continuous unobstructed solid flooring
not less than ;M- 30 inches (ê-+G 762 mm) wide, A level service space not less than 30 inches (762 mm) deep and 30
Inciìes (762 mm) wide shaH be present at the front or service side of the appliance. The clear access o~ening.
dimensions shall be a minimum of 20 inches by 30 inches (508 mm by 762 mm), or larqer where such dimensions are
not large enough to allow removal of the largest appliance, As a minimum, access to the attic space shall be provided
by one of the followinq:
1 A permanent stair.
2, A pull down stair.
3. [\n access door from an upper floor level.
3
Exception: The passageway and level service space are not required where the appliance is capable of
being serviced and removed through the required opening.
(Reason: To provide a safe means of accessibility to appliances in attics. 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 and appliances requiring
access are installed on roofs or elevated structures at a an aqqreqate height exceeding 16 feet (4877 mm), such
access shall be provided by a permanent approved means of access~, the extent of which Sh311 be from Permanent
exterior ladders providinq roof access need not extend closer than 8 feet (2438 mm) to the finish grade or floor level
below and shall extend to the equipment and appliance's 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),
A receptacle outlet shall be provided at or near the equipment and appliance location in accordance with the
Electrical Code.
(Reason: To assure safe access to roof appliances. To provide access to electricity for maintenance of equipment.
Consistent with IFGC amendments,)
**Add Section 306.6 to read as follows:
306.6 Catwalk. On roofs havinq slopes qreater than 4 units vertical in 12 units horizontal, 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 the
workinq platform at the appliance.
(Reason: To assure safe access to roof appliances, Consistent with IFGC amendments.)
**Add Sections 306.7 and 306.7.1 to read as follows:
306.7 Water heaters above Qround or floor. When the mezzanine or platform in which a water heater is installed is
more than eiqht (8) feet (2438 mm) above the qround or floor level, it shall be made accessible by a stairway or
permanent ladder fastened to the buildinq.
306.7.1 Whenever the mezzanine or platform is not adequately liqhted or access to a receptacle outlet from
the main level is not obtainable, liqhtinq 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 IFGC 306,7 and IPC 502.5.)
**Section 307.2.1; modify second sentence to read as follows:
307.2.1 Condensate disposal. Condensate from all cooling coils and evaporators shall be conveyed from the drain
pan outlet to an approved place of disposal. Condensate shall not discharge into a street, alley. sidewalk, rooftop, or
other areas so as to cause a nuisance.
(Reason: Greater specificity in prohibited locations for condensate discharge. Consistent with regional amendment to
IPC 31421 \
***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, polybutylene, polyethylene, ABS,
CPVC or PVC pipe or tubing. All components shall be selected for the pressure.l...aM temperature~
and exposure rating of the installation. {Remainder unchanged}
(Reason To require UV protection.)
4
**Section 307.2.3; add item #4 to read as follows:
4. Discharqe, as noted, shall be to a conspicuous point of disposal to alert occupants in the event of a stoppaqe of the
drain. However, the conspicuous point shall not create a hazard such as drippinq over a walkinq surface or of her
areas so as to create a nuisance,
(Reason: To alert occupants to a condition needing corrective action.)
**Section 401.5; add a second exception to read as follows:
Exception§.:
L {existing exception unchanged}
2, Toilet room exhaust ducts may terminate in a warehouse or shop area when infiltration of outside air is
present.
(Reason: Provide a more reasonable alternative in areas where a large volume of outside air is present.)
**Section 403.2; add an exception to read as follows:
Exception: Where the desiqn professional demonstrates that an enqineered ventilation system is desiqned in
accordance with ASH RAE 62, the minimum required rate of outdoor air shall be permitted to be as specified in
such enqineered system desiqn.
(Reason: Recognize the most commonly used standard as an alternate design method.)
**Section 403.2.1; add an item #4 to read as follows:
4. Toilet rooms within private dwellinqs that contain only a water closet, lavatory or combination thereof may be
ventilated with an approved mechanical recirculatinq fan or similar device desiqned to remove odors from the
.ê!L
(Reason: Consistent with common local practice. Consistent with regional amendment to IRC R303.3.)
**Table 403.3, footnote g: change to read as follows:
g Transfer air permitted in accordance with Section 403,2.2. Toilet rooms within private dwellinqs that contain only a
water closet, lavatory or combination thereof may be ventilated with an approved mechanical recirculatinq fan or
similar device desiqned to remove odors from the air.
(Reason: Consistent with common local practice.)
**Section 501.2; add a third exception to read as follows:
Exception§.:
1. {existing exception unchanged}
2, {existing exception unchanged}
3. Toilet room exhaust ducts may terminate in a warehouse or shop area when infiltration of outside air is
present
(Reason: Provide a more reasonable alternative in areas where a large volume of outside air is present.)
**Section 504.6; add a sentence to read as follows:
The size of duct shall not be reduced alonq its developed lenqth nor at the point of termination.
(Reason: To clarify size requirement. Consistent with regional amendment to IFGC 614.6.)
**Section 504.6.1; change to read as follows:
5
504.6.1 Maximum length. The maximum length of a clothes dryer exhaust duct shall not exceed 25 ft (7620 mm) from
the dryer location to the outlet terminal. The maximum length of duct shall be reduced 2Y:. feet for each 45-degree
(079 rad) bend and 5 feet (1524mm) for each 90-degree (1.6 rad) bend. The maximum length of the exhaust duct
does not include the transition duct.
Exceptions:
L Where the make and model of the clothes dryer to be installed is known and the manufacturer's
installation instructions for such dryer are provided to the code official, the maximum length of the exhaust
duct, including any transition duct, shall be permitted to be in accordance with the dryer manufacturer's
installation instructions,
2 , Where the first 9 feet of vent are 4" diameter pipe with not over two 90° bends and the pipe size is then
increased to 5" diameter, it may extend horizontally as far as 28.5 feet to the termination outdoors.
(Reason: Engineered dryer vent equivalent considering velocity and pressure drop.)
**Section 506.3.10; change to read as follows:
506.3.10 Grease duct enclosure. A grease duct serving a Type I hood that penetrates a ceiling, wall or floor shall be
enclosed from the point of penetration to the outlet terminal. A duct shall penetrate exterior walls only at locations
where unprotected openings are permitted by the International Building Code. Ducts shall be enclosed in accordance
with the International Building Code requirements for shaft construction. The duct enclosure shall be sealed around the
duct at the point of penetration and vented to the outside of the building through the use of weather-protected
openings. Clearance from the duct to the interior surface of enclosures of combustible construction shall be not less
than 18 inches (457 mm). Clearance from the duct to the interior surface of enclosures of noncombustible construction
or gypsum wallboard attached to noncombustible structures shall be not less than 6 inches (152 mm) 3 inches (76
mm) or more than 12 inches (305 mm ).The duct enclosure shall serve a single grease exhaust duct system and shall
not contain any other ducts, piping, wiring or systems.
Exceptions:
1. The shaft enclosure provisions of this section shall not be required where a duct penetration is protected
with a through-penetration firestop system classified in accordance with ASTM E 814 and having an "F" and
"T" rating equal to the fire-resistance rating of the assembly being penetrated and where the surface of the
duct is continuously covered on all sides from the point at which the duct penetrates a ceiling, wall or floor to
the outlet terminal with a classified and labeled material, system, method of construction or product specifically
evaluated for such purpose, in accordance with a nationally recognized standard for such enclosure materials.
Exposed duct wrap systems shall be protected where subject to physical damage.
2, /\ duct enclosure Sh311 not be requirod for a gre3so duct that penetr3tos only a nonfiro resistance r3tod
roof/coiling assembly,
(Reason: Consistent with common local practice.)
**Section 607.2.2; change to read as follows:
607.2.2 Hazardous exhaust ducts. Hazardous exhaust duct systems shall extend directly to the exterior of the
buildinq and shall not extend into or throuqh ducts and plenums. Penetration of structural elements shall conform to
this section and the International BuildinG Code except that fire .þ.f¡:e dampers are not required at penetration of fire-
resistance-rated assemblies for hazardous exhaust duct system shall comply with Section 510.
(Reason: To clarify requirements.)
**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 approved fire dampers installed in accordance with their listing.
Hazardous exhaust ducts shall not penetrate fire walls,
(Reason: For clarification.)
END OF AMENDMENTS
6
INVOICE F= .�
Star-Telegram Customer ID: CIT57
400 W.7th Street Invoice Number: 243462971
FORT WORTH,TX 76102
(817)390-7761 Invoice Date: 7/6/04
Federal Tax ID 22-3148254 Terms: Net due in 21 days
Due Date: 7/31/04
Bill To: PO Number:
i.
CITY OF SOUTHLAKE
1400 MAIN ST Order Number: 24346297
STE 440 Sales Rep: 073
SOUTHLAKE, TX 76092-7604 Description: CITY OF SOUTHLA
Publication Date: 7/6/04
CITY OF SOUTHLAKE Notice is he I3580 1 87 87 LINE $0.81 $70.47
CITY OF
SOUTHLAKE
Notice ie hereby given
by`h�°Itv Council of Net Amount: $70.47
Poxes,City of Southlake,
Texasny that a public
hearing
will 2004held
6:00 p.m. or Immedi-
ately following the
Work Session,durinc
the Regular Citj
Council the
to itj
Council Chambers o
Town Hall,1400 Maur
Street, Southlake,
Texas.Purpose of the
public hearing is to
consider the second
lowinnggordinance:fol-
2003 International
Mechanical Code
ORDINANCE NO.
AN ORDINANCE
ADOPTING THE IN- 5:"Lp' CHRISTY L.HOLLAND
1 TERNATIONAL ME-
CHANICAL CODE, �l
• 2003 EDITION 'I � MY COMMISSION EXPIRES
PROVIDING FOR +j.,
THE ADOPTION OF '. ill,. JULY 31,2004
LOCAL AMEND-
THE STATE OF TEN MENTS THERETO•
County of Tarrant PROVIDING FOFi
RECORDING OF
SUCH CODE AS A
PUBLIC RECORD
Before me,a Notary I THISVIDOIRDINANCE inty and State,this day personally appeared Lisa Wesselman, Bid and Legal Coordinator
for the Star-Telegram, LATIVE B OFCUA Lelegram, Inc.at Fort Worth,in Tarrant County,Texas;and who,after being duly sworn, did depose and say
that the attached clipp PPRROVIDIINGNASE was published in the above name paper on the listed dates: BIDS 81 LEGAL DEPT. STAR TLEGRAM
(817) 390-7320 EROVIDI Y CLAUSE:
NGSVIDINCLLAUSE; ,
PROVIDING FOFE
PUBLICATION IN Signed
PAMPHLET FORM• g
PROVIDING FOR
PUBLICATION IN THIS Saturday,July 10,2 4
FECOTIVDE DATE EF-
SECTION 6 a-4J
Any person, firm or Notary Public
lates.disobeys omits.
neglects or refuses to
comply with or who
resists the enforce-
Thank You For Y provisionsnythe of this
dinance shall be fined
not more than Two
Thousand Dollars
i$2ions,000.00)involving allzoning viola-
tire safety or,public
health,and sanitation,
including dumping or
c� refuse, and snail be
Remit To: Star-T fined not more than Customer ID: CIT57
r ve0 hundred dollars
$g for all other
P.O. B violations o this or-
aTI on�_ltia Customer Name: CITY OF SOUTHLAKE
FORT rr.ep:ra 101-2051 Invoice Number: 243462971
tense. hleks
�o �'a$° Invoice Amount: $70.47
City Secretary _
PO Number:
Amount Enclosed: 1$
INVOICE
Star-Telegram Customer ID: CIT57
400 W.7th Street Invoice Number: 244155771
FORT WORTH,TX 76102
(817)390-7761 Invoice Date: 7/23/04
Federal Tax ID 22-3148254 Terms: Net due in 21 days
Due Date: 7/31/04
Bill To: PO Number:
CITY OF SOUTHLAKE
1400 MAIN ST Order Number: 24415577
STE 440 Sales Rep: 073
SOUTHLAKE, TX 76092-7604 Description: CITY OF SOUTHLA
Publication Date: 7/23/04
aattII ; I � ��_i o€ ads
CITY OF SOUTHLAKE 2003 Interns 13580 1 74 74 LINE $0.81 $59.94
CITY t F SDUTH-
LAKE
2�M003 hIn�te�matlona I
ORDINANCEC O
872 Net Amount: $59.94
5414 ORDINANCE
ADOPTING THE IN-
TERNATIONAL ME-
CHANICAL CODE,
PROVIDINEDITION
THE ADOPTION OF
LOCAL AMEND-
MENTS THERETO,-
PROVIDING FOR
RECORDING OF n -'°,,
SUCH CODE AS A iir))
11 ,
PUBLIC RECORD SSS IIIJJJ SSS
Ull
PROVIDING THAT
THIS ORDINANCE
SHALL BE CUMU-
LATIVE OF ALL
ORDINANCES; 1 — 5 2004
PROVIDING A SEV-
ERABILITY CLAUSE;
P�NNROVIDING A SAV-
PROVIDING LA E
PUBLICATION IN
PAMPHLET FORM* +?�'m' s CHRISTYLHOLLAND OFFICE OF CITY SECRETARY
PUt?LIC:ATIQN IN ?*i *
OFFICIAL
; = MY COMMISSION EXPIRES
NEWSPAPER• AND *. Z= July31,2008
THE STATE FE°�31-_I'1DA°T>". EF '„ ,
County of 1 SECTION fi �'
Any person, r6m or
corporation who vio-
lates,disobeys,omits,
Before me, neglects or refuses to r said County and State, this day personally appeared Lisa Wesselman, Bid and Legal Coordinator
comply with or who
for the Star- resists the any of
the Star-Telegram, Inc. at Fort Worth in Tarrant County,Texas;and who,after being duly sworn,did depose and say
that the atta provisions aof to s the rtisement was published in the abovimed paper on the listed dates: DS 8i LEGAL DEPT. STAR TLEGRAM
durance shall be fined 1 /
(817) 390 not more than Two
Thousand Dollars /
($2,000.00i all viola-
tions involving zoningq /
fire safety or publc Signed
health and sanitation,
including dump ing or
SUBSCRIBE finfeud no nmo eei han E,FORE ME, THIS Thursday,July 29,/.64
five hundred dollars
roan) for all other ' �/- /
violations of this or- L
dinance each daythat Notary Public -J
a violation is permitted
to exist shall consti-
tute a separate of-
fense.
PASSED AND AP-
Thank Yq PROVED THIS THE 20th DAY OF JULYL yment
2004 DURING TH
U �Lg�RCONCILMEETINO Wembaaganas Andy
lT'TTEE AST: Lorl Farwell.
City Secretary
Remit To: Star-Telegram Customer ID: CIT57
P.O. Box 901051 Customer Name: CITY OF SOUTHLAKE
FORT WORTH, TX 76101-2051 Invoice Number: 244155771
Invoice Amount: $59.94
PO Number:
Amount Enclosed: $ MM~