09362006 International Mechanical Code Ef ICIAL RECORD
ORDINANCE NO. 936
February 11, 2008
AN ORDINANCE ADOPTING THE INTERNATIONAL MECHANICAL CODE, 2006
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 2007, NCTCOG's Regional Codes Coordinating
Committee (RCCC) and its four advisory boards conducted 20 open review meetings over an 8-
month period to review the 2006 editions of the International Codes and to develop regional
amendments. Their review and recommendations were completed and endorsed by NCTCOG's
Executive Board in October 2007. Now NCTCOG encourages jurisdictions in North Central
Texas to adopt the 2006 International Mechanical Code along with its respective regional
amendments with an effective date of April 1, 2008:
NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY
OF SOUTHLAKE, TEXAS:
SECTION 1
That the International Mechanical Code, 2006 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 2006 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 2006 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 an}r 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.
2
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 sooner than April 1, 2008, and it is so ordained.
Passed And. Approved On First Reading On This ~ Day Of , 2008.: ^~~~ ^ ,
~^ ~,
4~..
~4
ATTEST: ~ ~
:nrQ ~~
M YOR CITY SECRETAR
~d~i n ^GR S~ro..
~~'Nn ~, ~1+.•
~ ? _ `,
'fie }S' i~ `~ S°~°
spf~~M18C90M1.0ax °,,'
Passed And Approved On Second Reading On This ~f~1 Day Of , 2008.
MAYOR
~;~..
•~ ~ ~~•:
ATTEST:
~:r
CITY SECRETARY ~' ~°a
~R~.
APP OV D O F RM AND LEGALITY:
,~
City Attorney
Date: ~~ ~~ ~ ~~'~
EFFECTIVE: IY~~j 'J ~~
3
EXHIBIT "B"
Amendments to the
2006 International Mechanical Code
The following sections, paragraphs, and sentences of the 2006 International
Mechanical Code are hereby amended as follows: (Standard type is text from the IMC.
Underlined type is text inserted. ~d-##r-egg ~c ~eleted~ext~r^^^ +r,o ~nnr ~ A
double asterisk at the beginning of a section identifies an amendment carried over from
the 2003 edition of the code and a triple asterisk identifies a new amendment with the
2006 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 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:
4
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. As a minimum, for access to the attic space, provide one of the
following:
1. A permanent stair.
2. A pull down stair.
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.
Exceptions: ... {remainder of section unchanged}
(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 aggregate height exceeding 16 feet (4877 mm), such access shall be provided
by a permanent approved means of access., +h° °.,+°„+ „f..,h;,.h ~.h.,~~ h° fr.,.,,
Permanent exterior ladders providing 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 eauipment 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 Sections 306.6 and 306.1 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.
Exception: A max 10 gallon water heater (or larger with approval) is capable of
being accessed through alay-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 IFGC 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,
polybutylene, polyethylene, ABS, CPVC or schedule 80 PVC pipe or tubing when
exposed to ultra violet light. All components shall be selected for the pressureLa-nd
temperature, and exposure rating of the installation. {Remainder unchanged}
(Reason: To provide greater flexibility of materials when exposed to ultra violet light. )
***Section 307.2.3; amend # 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 #4 to read as follows:
4. 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 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 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.
6
(Reason: Consistent with common local practice.)
**Section 501.2; add a third exception to read as follows:
Exceptions:
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 along its developed length 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:
504.6.1 Maximum length. The maximum length of a clothes dryer exhaust duct shall
not exceed 25 feet (7620 mm) from the dryer location to the outlet terminal. The
maximum length of the duct shall be reduced 2'/2 feet (762 mm) for each 45 degree
(0.79 rad) bend and 5 feet (1524 mm) for each 90 degree (1.6 rad) bend.
Exceptions:
1. 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, and provided that a 4 inch by 6 inch sign red in color with
white letters is permanently affixed to the structure stating the following:
Warning: Dryer must be approved for vent lenath not to exceed
40 feet total developed length (TDL.)
Duct Size: (Number)
Total Developed Lenath: (Number)
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. To be
consistent with regional practice. Dryer technology has improved and they should be
capable of handling this. Consistent with regional amendment to IFGC 614.6.1.)
7
**Section 506.3.10; change to delete second exception 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).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 athrough-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.
~#+re-fes+sfa~s~e,~ ~,.,,f~,.o,~;.,,..,sce,,,h~„
......,.,.......y ..,,,.~,y_
(Reason: Consistent with common local practice.)
***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 For hazardous
exhaust systems see Section 510.1-510.9 IMC.
(Reason: For clarification.)
END OF AMENDMENTS
INVOICE Preview
Star-Telegram Customer ID: CIT57
400 W.7TH STREET Invoice Number: 294286701
FORT WORTH,TX 76102
(817)390-7761 Invoice Date: 2/16/2008
Federal Tax ID 22-3148254 EB C Terms: Net due in 21 days
flT26UUd
T. Due Date: 2/29/2008
Bill To: PO Number: no po
CITY OF SOUTHLAKE
1400 MAIN ST Order Number: 29428670
STE 440 Sales Rep: 073
SOUTHLAKE, TX 76092-7604 Description: CITY OF SOUTHLA
Attn Attn: ACCOUNTS PAYABLE Publication Date: 2/16/2008
CITY
Description OF SOUTHLAKE Location Col Depth Linage MU Rate Amount J
i' Notice is hereby given
by the City Council
of the City of
CITY OF SOUTHL r at hlaa e, Texas, 13580 1 88 88 LINE SS0.81 $71.28
ng
will be held on March
4, 2008,at 5:00 p.m.
or immediately fol-
Sales Discount lowing the Work ($5.00)
Session, during the RECEIVE D
Regular City Council
meeting to be held
Mise Fee in the City Council $5.00
Chambers of Town
Hall, 1400 Main
Street,exas. akef MAR 3 2008
Texas. Purpose of -
the public hearing is
to consider the sec-
ond reading of the
following ordinance: Net Amount: $71.28
ORDINANCE
ADOPTING THE IN-
TERNATIONAL OFFICE OF CITY SECRETARY
AN ORDINANCE
ME-
CHANICAL CODE,
2006 EDITION;
PROVIDING FOR
THE ADOPTION OF
LOCAL AMEND-
PROV PROVIDING THERETO;FOR r,.......... CHRI$TY L.HrJLLAND
,,,�r
RECORDING OF f$'' `:
SUCH CODE AS A i+: 1� :+s MY COMMISSION EXPIRES
PUBLIC RECORD; /% : _ �� 31,2�
PROVIDING THATry• �� N
THIS ORDINANCE yy�L,
SHALL BE CUMU- +�tt�
LATIVE OF ALL
THE STATE OF TE ORDINANCES; PRO- M J!
County of Tarrant SEVER-
ABILIITY ING A CLAUSE;
PROVIDING A SAV-
INGS CLAUSE;
Before me,a Notary PROVIDINGON FOR County and State,this day personally appeared Deborah Baylor, Bid and Legal Coordinator for the Star-
Telegram,publishes PAMPHLET FORM;O I, Inc.at Fort Worth,in Tarrant County,Texas;and who,after being duly sworn,did depose and say that the
UBLI
attached clipping of PICATN FIIN published in th ove named paper on the listed dates: BIDS&LEGAL DEPT. STAR TELEGRAM
817 390-7501 THE OFFICIAL
( NEWSPAPER; AND
PROVIDING AN EF- , ''__
FEC SECTIONVE T 6 Signed \E.
rVA. Ilba__ U,
Any oerson,ration firm ho i- -
corporation who vi-
SUBSCRIBED AND olates, disobeysr-ME,THIS Tuesday, Febr - �' /
omits, neglects or-
refuses to comply /
with or who resists / , •
, ,(/ 0 I
the enforcement of // / i
any of the provisions Notary Public «<///CCC
of this ordinance
shall be fined not
more than Two
Thousand Dollars
($2,000.00) all vio-
lations involving
zoning,fire safety or
public health and
sanitation, including
Thank You Foz dand sha I umping be orfined refusenot,It
more than five hun-
---——— ------ dred dollars ($500)
for all other viola-
tions of this ordi-
nance each day that
a violation is per-
mitted to exist shall
constitute a sepa-
rty Souse.
thlake ID: CITS7
Remit To: Sta City of Southlake
Lori Payne
P.O. IJA City
Secretary UJ 1 Customer Name: CITY OF SOUTHLAKE
FORT WORTH, TX 76101-2051 Invoice Number: 294286701
Invoice Amount: $71.28
PO Number: no po
Amount Enclosed: $ I
INVOICE Preview
Star-Telegram Customer ID: CIT57
400 W.7TH STREET Invoice Number: 294874921
FORT WORTH,TX 76102
(817)390-7761 Invoice Date: 3/7/2008
Federal Tax ID 22-3148254 Terms: Net due in 21 days
Due Date: 3/31/2008
Bill To: PO Number: NO PO
CITY OF SOUTHLAKE
1400 MAIN ST Order Number: 29487492
STE 440 Sales Rep: 073
SOUTHLAKE, TX 76092-7604 Description: CITY OF SOUTHLA
Attn Attn: ACCOUNTS PAYABLE Publication Date: 3/7/2008
Description Location Col Depth Linage MU Rate Amount
CITY
CITY OF SOUTHER °ORDINANCE E NO 13580 1 74 74 LINE $0.81 $59.94
NO. 936
AN ORDINANCE
ADOPTING THE IN-
Sales Discount TERNATIONAL ME- ($4.95)
CHANICAL CODE,
2006 EDITION;
PROVIDING FOR
THE ADOPTION OF -,(
Misc Fee LOCAL AMEND- INCI 2 H 20J8 $5.00
MENTS THERETO;
PROVIDING FOR
RECORDING OF
SUCH CODE AS A
PUBLIC RECORD; �f '� �T
PROVIDING THAT 1 11 ! f
SHALLISORDINANCEE NA 1, i�CVV� OF C 1 SE BETA\ Net Amount: $59.99
LATIVE OF ALL
ORDINANCES; PRO-
VIDING A SEVER-
ABILITY CLAUSE;
PROVIDING A SAV-
INGS CLAUSE;
PROVIDING FOI{
PUBLICATION IN
PAMPHLET FORM;
PROVIDING FOR
PUBLICATION IN
THE OFFICIAL �a����Nyp,,y
NEWSPAPER; AND i,` '�3` �{RI�7I Y L H°uND
PROVIDING AN EF-
FECTIVE DATE. i*, r MY COMMISSION EXPIRES
SECTION 6 _ 2008
Any person, firm or fir; .*?' .�U�131'
THE STATE OF TE: o ateosationd sobeys, ',4 '
County of Tarrant omits, neglects or
refuses to comply
with or who resists
the enforcement of
Before me,a Nota any ofth i t she proordinancevisions I County and State,this day personally appeared Deborah Baylor,Bid and Legal Coordinator for the Star-
Telegram,publishe of shall be fined not 1,Inc.at Fort Worth,in Tarrant County,Texas;and who,after being duly sworn,did depose and say that the
attached clipping of Thousandhan Dol s;published in the -bove named paper on the listed dates: BIDS&LEGAL DEPT. STAR TELEGRAM
817 390-7501 ($2,000.00) all vio-
lations involving \ \
zoning,fire safety or
public health and r
sanitation, including Signed _ _ ,��'. �� L�__ `,
dumping or refuse, a
and shall be fined not
more than five hun- /
SUBSCRIBED AND dred dollars c$500)E ME,THIS Tuesday,Mdori�08. //
for all other viola-
tions of this ordi-
nance each day that /
a violation is per- Notary Public Lj/
mitted to exist shall
constitute a sepa-
rate offense.
PASSED AND AP-
PROVED THIS THE
4th DAY OF MARCH,
2008, DURING THE
REGULAR CITY
COUNCIL MEETING.
Thank You For Wambsganss Andy It
ATTEST: Lori Payne,I
____..____ __._ _ 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: 294874921
Invoice Amount: $59.99
PO Number: NO PO
Amount Enclosed: $