ORD 2004-27TOWN OF TROPHY CLUB, TEXAS
ORDINANCE NO. 2004-27
AN ORDINANCE OF THE TOWN OF TROPHY CLUB, TEXAS
REPEALING ORDINANCE NO. 2002-32 ADOPTING THE 2000
EDITION OF THE INTERNATIONAL ENERGY
CONSERVATION CODE AND ADOPTING THE 2003 EDITION
OF THE INTERNATIONAL ENERGY CONSERVATION CODE
AND ADOPTING PROVISIONS AS FOLLOWS: PROVIDING
FOR INCORPORATION OF PREMISES; PROVIDING FOR
APPLICABILITY; ADOPTING THE 2003 EDITION OF THE
INTERNATIONAL ENERGY CONSERVATION CODE;
PROVIDING LOCAL AMENDMENTS THERETO, REGULATING
AND GOVERNING ENERGY EFFICIENT BUILDING
ENVELOPES AND INSTALLATION OF ENERGY EFFICIENT
MECHANICAL, LIGHTING AND POWER SYSTEMS WITHIN
THE TOWN OF TROPHY CLUB; PROVIDING FOR THE
ISSUANCE OF PERMITS AND THE COLLECTION OF FEES
THEREFORE; PROVIDING A CUMULATIVE REPEALER
CLAUSE; PROVIDING SEVERABILITY; PROVIDING FOR
SAVINGS; PROVIDING A PENALTY NOT TO EXCEED THE
SUM OF TWO THOUSAND DOLLARS ($2,000.00) FOR EACH
OFFENSE AND A SEPARATE OFFENSE SHALL BE DEEMED
COMMITTED EACH DAY DURING OR ON WHICH A
VIOLATION OCCURS OR CONTINUES; PROVIDING A
PUBLICATION CLAUSE; PROVIDING FOR ENGROSSMENT
AND ENROLLMENT; AND PROVIDING AN EFFECTIVE DATE.
WHEREAS, the Town of Trophy Club, Texas is a general law municipality
empowered under the Texas Local Government Code, Section 51.001, to adopt an
ordinance or rule that is for the good government of the Town;
WHEREAS, the Town adopted the 2000 Edition of the International Energy
Conservation Code on August 19, 2002 through the passage of Ordinance No. 2002-32;
WHEREAS, beginning in the summer of 2003, the North Central Texas Council
of Government's, (hereinafter "NCTCOG"), Regional Codes Coordinating Committee,
(hereinafter "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 International Energy Conservation
Code along with its respective regional amendments with an effective date of July 1,
2004;
WHEREAS, the Town of Trophy Club Building Inspections Officials have
reviewed the International Energy Conservation Code, 2003 Edition, (hereinafter
"IECC") along with the specific local amendments recommended by the NCTCOG and
finds that it is in the best interest of the Town of Trophy Club to adopt those amendments
reflected in this Ordinance; and
WHEREAS, the Town Council of the Town of Trophy Club, Texas deems it
necessary and beneficial to adopt the updated 2003 Edition of the International Energy
Conservation Code and the local amendments specified in this Ordinance to safeguard the
health, property, safety and general welfare of the citizens of the Town of Trophy Club
by regulating and controlling the use, occupancy, maintenance, repair, design,
construction and quality of materials for residential structures within the Town.
NOW, THEREFORE, BE IT ORDAINED BY THE TOWN COUNCIL OF
THE TOWN OF TROPHY CLUB, TEXAS:
SECTION 1.
INCORPORATION CLAUSE
That all of the above premises are true and correct and are hereby incorporated in
the body of this Ordinance as if fully set forth herein.
SECTION 2.
APPLICABILITY CLAUSE
That certain documents, copies of which are on file in the office of the Building
Inspections Department of the Town of Trophy Club, Texas, being marked and
designated as the International Energy Conservation Code, as published by the
International Code Council, Inc., is hereby adopted as the Energy Conservation Code of
the Town of Trophy Club, Texas for governing energy efficient building envelopes and
installation of energy efficient mechanical, lighting and power systems within the Town
of Trophy Club, Texas, and providing for the issuance of permits and collection of fees
therefore; and each and all of the regulations, provisions, conditions and terms of such
International Energy Conservation Code, 2003 Edition The following sections of the
International Energy Conservation Code, 2003 Edition are hereby amended in the
following particulars, and all other articles, chapters, sections, paragraphs, sentences,
phrases and words are not amended but are hereby ratified and affirmed.
SECTION 3.
ADOPTION CLAUSE
That the Town Council of the Town of Trophy Club, Texas, does hereby adopt
the International Energy Conservation Code, 2003 Edition, published by the International
Code Council, Inc., including all specific local amendments referenced herein, are hereby
adopted as the Energy Conservation Code for the Town of Trophy Club.
SECTION 4.
AMENDMENTS TO THE
2003 INTERNATIONAL ENERGY CONSERVATION CODE
The following sections, paragraphs and sentences of the 2003 International Energy
Conservation Code are hereby amended as follows: Standards type is text from the IECC.
Underlined type of text inserted. L iied-thy-augh-.
A. Section 101.1; insert Town name as follows:
101.1 Title. These regulations shall be known as the Energy Consenwion Code of The
Town of Trophy Club, Texas, and shall be cited as such as will be referred to herein as
"this code".
Add the following section:
101.4.1.3 Alternative Compliance. A building certified by a national, state, or local
accredited energy_ efficiency_ program and determined by
the Energy Systems Laboratory
to be in compliance with the energy efficiency requirements of this section may, at the
option of the Code Official, be considered in compliance. The United States
Environmental Protection Agency's Energy Star Program certification of energy code
equivalency shall be considered in compliance.
B. Section 302,1; Replace blank Table 302.1 Exterior Design Conditions with the
following:
CONDITION
VALUE
Winter', deli n dr -bulb CF) (99.6%)
17
-Summer', design dry-bulb (°F) (0.4%)
100
Summer, design wet -bulb (°F) (0.4%)
78
Degree days heating
2407
Degree days cooling
2603
Climate zone'
5B
'':.]°Delete note "a" and replace with the following:
a. These values are from ASHRAE Handbook of Fundamentals for Dallas/Ft. Worth
International Airport 99.6% Winter DB, 0.4% Summer DB, and 0.4% Summer WB:
and from Local Climatological Data for Dallas Ft.....,.,.
- Worth published by the National
Climatic Data Center, National Oceanic and Atmospheric Administration. These
...„ ,.,.,...,.._..,...
values_ are for the purpose of providing a uniformbasis o
f requirements for North
Central Texas. This will not preclude Iicensed professionals from submitting design
analyses based on site measurements or published data more specific to the building
site. Adjustments shall be permitted to reflect local climates which differ from the
tabulated values, or local weather experience determined by the code official.
C. Section 502.1.1; delete exception #2 and substitute the following:
2. Buildings located in Climate Zones 5b.
Section 502.1.5; add the following exceptions:
Exceptions:
1. Any glazing facing within 45 degrees of true north;
2. Any glazing facing within 45 degrees of true south which is shaded along its
full width by permanent overhang with a projection factor of 0.3 or greater.
3. Any fenestration with permanently attached screens where the screens have a
rated shadina coefficient of .6 or less.
Section 502.2; Replace blank Table 502.2 Heating & Cooling Criteria with the
following:
Table 502.2°1�,
HEATING AND COOLING CRITERIA
Element
Mode
Type -A 1
Residential
Buildings Detached
One -Family
Dwellings
Uo
Type -A-2
neral
Wings Detached
Two -Family
Dwellings
I U.
Walls Heating or cooling 0.15 0.22
Roof/ceiling Heating or cooling 0.03 0.03
Floors over unheated
spaces
Heating or cooling
0.05
0.05
Heated slab on grade Heating R -value = 6 R -value = 6
Unheated slab on
-grade
Heating
R -value = 0
R -value = 0
Basement wall Heating or coolie U -factor = 0.15 U -factor = 0.15
Crawls ace wall Heating or cooling U -factor = 0.15 U -factor = 0.15
Delete Note "a" and replace with the following:
a. The above values have been determined for all counties in the North Central Texas
Council of Governments reaion.
Add Note "g":
CT These requirements apply only to the boundaries of conditioned space. Air
conditioning equipment and ductwork is recommended, but not required, to be
located within the conditioned space in North Central Texas zones.
Delete Figures 502.2(1-6)
Section 502.2; Add note to Fig 502.2(7):
All counties within the North Central Texas Council of Governments region are
designated as within the area of very heavy termite infestation probability for purpose of
uniform interpretation of this requirement.
Section 502.2.2; add a second paragraph as follows:
A building demonstratingenvelope compliance at least 2% better than code may utilize R6
duct insulation in both supply and return air ducts in Iieu of the insulation required by
Table 503.3.3.3.
Section 502.2.4, Delete prescriptive Tables 502.2.4(1-9) and substitute the folloivinng:
Replace Tables 502.2.4 (1-6) with:
Table 502.2.4(1)
Prescriptive Building Envelope Requirements, Detached One -Family Dwellings,
Based on Window Area as a Percent of Gross Exterior Wall Area
% Glazing
Maximum
I
Minimum
Glazing
U -factor
Ceiling
R -value
Exterior
wall
R -value
Floor
R -value
Basement
wall
R -value
Slab
perimeter
R -value
and depth
Crawl
space wall
R -value
<$%0
0.70
R-26
R-11
R-11
R-5
R-0
R-6
<12%
0.65
R-26
R-13
R-11
R-5
R-0
R-5
c15%
0.60
R-30
R-13
R-14
R-6
R-0
R-7
<18%a
0.52
R-30
R-13
R-19
R-6
R-0
R-7
<20%
0.50
R-38
R-13
R-19
R-6
R-0
R-7
¢25%
0.46
R-38
R-16
R-19
R-6
R-0
R-7
Replace Tables 502.2.4 (7-9) with:
Table 502.2.4(2)
Prescriptive Building Envelope Requirements, Detached Two -Family Dwellings,
Based on Window Area as a Percent of Gross Exterior Wall Area
% Glazing I
Maximum
I
Minimum
Glazing
U -factor
Ceiling R-
value
Exterior
wall
R -value
moor
R -value
Basement
wall
R -value
Slab
perimeter
R -value
and depth
Crawl
space wall
R -value
X20%
10.55
1 R-30
R-13
R-11
R-5
R-0
R-5
<2S%
10.55
1 R-30
I R-13
I R-11
R-5
R-0
R-5
<30%
10.47
1 R-38
I R-13
I R-19
R-7
R-0
R-8
D. Table 503.3.3.1 MINIMUM PIPE INSULATION. Amend footnote "a" to read as
follows:
a. For piping lengths in excess of five (5) feet exposed to outdoor air, increase the
insulation thickness by 0.5 inch.
Table 503,3,3.3; add footnote "e" as follows:
e. See Section 502.2.2
Section 503.3.3.4.3; change first sentence to read as follows:
503.3.3.4.3 Sealing Required. All joints, longitudinal and transverse seams, and
connections in ductwork, shall be made substantially airtight by means of welds, gaskets,
mastics (adhesives), mastic -plus -embedded -fabric systems or tapes or other approved
closures sterns. fRemainder to remain unchan ed
F. Section 602.1.6; delete last sentence of exception.
Section 602.2 Maximum solar heat gain coefficient for fenestration products. Add
the following exceptions:
Exceptions:
1. Any gIazin facing acing within 45 degrees of true north;
2 Any glazingfacing within 45 degrees of true south which is shaded along its
full width by a. permanent__overhang with a projection factor of 03 or greater.
3. Any fenestration with attached screens where the screens have a„rated shading
coefficient of .6 or less.
G. Section 802.2; Replace blank tables 802.2 (1-4) with the completed tables provided on
the following four pages. Delete tables 802.2 (5-37).
TABLE 802.2(1)
BUILDING ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR AREA
10 PERCENT OR LESS OF ABOVE -GRADE WALL AREA
ELEMENT
CONDITIONNALUE
Skylights (U -factor)
1
Slab or below -grade wall (R -value)
R-0
Windows and glass doors
SHGC
U -factor
PF < 0,25
Any
Any
0.25 < PF < 0.50
Any
Any
Roof assemblies (R -value)
Insulation between
framing
Continuous insulation
All -wood joist/truss
R-19
R-16
Metal joist/truss
R-25
R-17
Concrete slab or deck
NA
R-16
Metal purlin with thermal block
R-25
R-17
Metal purlin without thermal block
X
R-17
Floors over outdoor air or unconditioned space
(R -value)
Insulation between
framing
Continuous insulation
All -wood joist/truss
R-11
R-6
Metal joist/truss
R-11
R-6
Concrete slab or deck
NA
R-6
-grade walls (R -value)
No framing Metal framing
Wood framing
.Above
Framed
R -value cavity
NA
R-11
R-11
R -value continuous
NA
R-0
R-0
CMU, > 8 in., with integral insulation
R -value cavity
NA
R-0
R-0
R -value continuous
R-0
R-0
R-0
Other masonry walls
R -value cavity
NA
R-0
R-0
R -value continuous
R-0
R-0
R-0
TABLE 502.2(2)
BUILDING ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR AREA OVER 10 PERCENT BUT NOT GREATER
THAN 25 PERCENT OF ABOVE -GRADE WALL AREA
ELEMENT
CONDITIONIVALUE
Skylights (U -factor)
1
Slab or below- rade wall (R -value)
R-0
Windows and glass doors
SHGC
U -factor
PF < 0.25
0.6
Any
0.25 < PF < 0.50
0.7
Any
PF > 0.50
Any
Any
Roof assemblies (R -value)
Insulation between Continuous insulation
framing
All -wood joist/truss
R-25
R-19
Metal joist/truss
R-25
R-20
Concrete slab or deck
NA
R- 19
Metal purlin with thermal block
R-30
R-20
Metal purlin without thermal block
X
R-20
Floors over outdoor air or unconditioned space
(R -value)
Insulation between Continuous insulation
framing
All -wood .joist/truss
R-11
R-6
Metal joist/truss
R -I1
R-6
Concrete slab or deck
NA R-6
NA
walls (R -value)
No framing Metal framing
No framing
-Above-grade
Framed
R -value cavity
NA R-11
NA
R -value continuous
NA R-0
NA
CMU, > 8 in., with integral insulation
R -value cavity
NA R-11
NA
R -value continuous
R-5 R-0
R-5
Other masonwalls
R -value cavity
NA R-11
NA
TABLE 802.2(3)
BUILDING ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR AREA OVER 25 PERCENT BUT NOT GREATER
THAN 40 PERCENT OF ABOVE -GRADE WALL AREA
ELEMENT
CONDITIONIVALUE
Skylights (U -factor)
I
Slab or below -grade wall (R -value)
R-0
Windows and glass doors
SHGC
U -factor
PF < 0.25
0.4
0.7
0.25 < PF < 0.50
0.5
0.7
PF > 0.50
0.6
0.7
Roof Assemblies (R -value)
Insulation between
framing
Continuous insulation
All -woad joist/truss
R-25
R-19
Metal joist/truss
R-25
R-20
Concrete slab or deck
NA
R-19
Metal purlin with thermal block
R-30
R-20
Metal purlin without thermal block
X
R-20
Floors over outdoor air or unconditioned space
(R -value)
Insulation between
framing
Continuous insulation
Al] -wood joist/truss
R-11
R-6
Metal joist/truss
R-11
R-6
Concrete slab or deck
NA
R-6 NA
Above- rade walls (R -value)
No framing Metal framing No framing
Framed
11 -value cavity
NA
R-11 NA
R -value continuous
NA
R-0 NA
CMU, > 8 in., with integral insulation
R -value cavity
NA
R-11 NA
R -value continuous
R-5
R-0 R-5
Other masonry walls
R -value cavity
NA
R-11 NA
TABLE 802.2(4)
BUILDING ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR AREA OVER 40 PERCENT BUT NOT GREATER THAN 50
PERCENT OF ABOVE -GRADE WALL AREA
ELEMENT
CONDITION/VALUE
Skylights (U -factor)
1
Slab or below -grade wall (R -value)
R-0
Windows and glass doors
SHGC
U -factor
<0.25
0.4
0.7
_PF
0.25 < PF < 0.50
0.5
0.7
PF > 0.50
0.6
0.7
Roof assemblies (R -value)
Insulation between Continuous insulation
framing
All -wood joist/truss
R-25
R-19
Metal joist/truss
R-25
R-20
Concrete slab or deck
NA
R-19
Meta] purlin with thermal block
R-30
R-20
Metal purlin without thermal block
R-38
R-20
Floors over outdoor air or unconditioned space
(R -value)
Insulation between Continuous insulation
framing
All -wood joist/truss
R -1I
R-6
Metal ioist/truss
R-11
R-6
Concrete slab or deck
NA R-6
NA
walls (R -value)
No framing Metal framing
No framing
-Above-grade
Framed
R -value cavity
NA R-13
NA
R -value continuous
NA R-3
NA
CMU, > 8 in., with integral insulation
R -value cavity
NA, NA R-11
NA, NA
R -value continuous
R-5 R-0
R-5
Other masonry walls
R -value cavil
NA R-11
NA
Add footnote ,r, to SHGC column heading in Tables 802.2 (2), 802.2 (3) and 802.2 (4)
to read as follows:
f. Minimum SHGC requirements do not apply to glazing as follows:
Any glazing facing within 45 degrees of true north.
2. Any glazing facing within 45 degrees of true south which is shaded along its
full width by a permanent overhang with a projection factor of 0.30 or greater.
Any glazing with permanent attached screens where the screens have a rated
shading coefficient of 0.60 or less.
H. Section 805.2.1 Interior Lighting Controls; add a third sentence to read:
Large spaces shall have a separate switch or control for each 2500 square feet of floor
area.
I. Delete Figures 907.1 (I-43, 45-51).
J. Chapter 10; Replace referenced standard as follows:
ASHRAE/IES -- 99 _Energy _Efficient Design of New Buildings Except Low -Rise
Residential Buildings -- 1999 Edition
Chapter 10 — Referenced Standards: Under the heading ASHRAE and IESNA,
change the Standard Reference Number from 90.1-2001 to 90.1-1999.
SECTION 5.
CUMULATIVE REPEALER
That this Ordinance shall be cumulative of all other Ordinances and shall not
repeal any of the provisions of such Ordinances except for those instances where there
are direct conflicts with the provisions of this Ordinance. Provided however, that
Ordinance No. 2002-32 is hereby repealed in its entirety.
SECTION G.
SEVERABILITY CLAUSE
If any section, article, paragraph, sentence, clause, phrase or work in this
Ordinance, or application thereof to any person or circumstance, is held invalid or
unconstitutional by a Court of competent jurisdiction, such holding shall not affect the
validity of the remaining portions of the Ordinance, and the Town Council hereby
declares it would have passed such remaining portions of the Ordinance despite such
invalidity, which remaining portions shall remain in full force and effect.
SECTION 7.
SAVINGS CLAUSE
All rights and remedies of the Town of Trophy Club, Texas, are expressly saved
as to any and all violations of the provisions of any other Ordinances of the Town
affecting building codes for governing energy efficient building envelopes and
installation of energy efficient mechanical, lighting and power systems within the Town
of Trophy Club, Texas, which have secured 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 but may be prosecuted until final disposition by the courts.
SECTION 8.
PENALTY CLAUSE
It shall be unlawful for any person to violate any provision of this Ordinance, and
any person violating or failing to comply with any provision hereof shall be fined, upon
conviction, in an amount not more than Two Thousand Dollars ($2,000.00), and a
separate offense shall be deemed committed each day during or on which a violation
occurs or continues.
SECTION 9.
PUBLICATION CLAUSE
The Town Secretary of the Town of Trophy Club is hereby directed to publish,
the Caption, Penalty and Effective Date of this Ordinance as required by Section 52.011
of the Texas Local Government Code.
SECTION 10.
ENGROSSMENT AND ENROLLMENT CLAUSE
The Town Secretary of the Town of Trophy Club is hereby directed to engross
CP
and enroll this Ordinance by copying the exact Caption, Penalty and Effective Date in the
minutes of the Town Council and by filing this Ordinance in the ordinance records of the
Town.
SECTION 11.
EFFECTIVE DATE CLAUSE
That this Ordinance shall be in full force and effect from and after its date of
passage, in accordance with law, and it is so ordained.
PASSED AND APPROVED by the Town Coun6il csf the Tow£Trophy Club,
Texas, this the 300' day of August 2004. /
yor
vn of Trop y Club, Texas
Effective Date: September 4, 2004
ATTEST:
X61el
To Secretary
Town of Trophy Club, Texas
APPROVED TO AS FORM:
Town Attorney
Town of Trophy Club, Texas
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