O-2074-7-02ORDINANCE NO. 2074-7-02
' AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF ALLEN, COLLIN
COUNTY, TEXAS, AMENDING THE ALLEN LAND DEVELOPMENT CODE BY
AMENDING ARTICLE III, BUILDING REGULATIONS BY ADOPTING THE
INTERNATIONAL ENERGY CONSERVATION CODE, WITH AMENDMENTS;
PROVIDING A SEVERABILITY CLAUSE; PROVIDING A SAVINGS CLAUSE;
PROVIDING A REPEALING CLAUSE; PROVIDING A PENALTY OF FINE NOT
TO EXCEED THE SUM OF TWO THOUSAND DOLLARS ($2,000); AND
PROVIDING FOR AN EFFECTIVE DATE.
NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF ALLEN,
COLLIN COUNTY, TEXAS, THAT:
SECTION 1. The Allen Land Development Code of the City of Allen, Texas, be amended by amending
Article Bl, Building Regulations, to read as follows:
"ARTICLE lII
BUILDING REGULATIONS
Section 3.01. Adoption of Building Codes.
There is hereby adopted by the city for the purpose of establishing rules and regulations for
the construction, alteration, removal, demolition, equipment, use and occupancy, location
and maintenance of buildings and structures, including permits and penalties, the following
codes:
"Add item #8 as follows:"
8. The International Energy Conservation Code, being in particular the 2000 edition, except
as it may be in conflict with the provisions of any ordinance of the city.
"Add section 3.09"
Section 3.09. Amendments to the International Energy Conservation Code, 2000
Edition
1. Section 101.3 of the International Energy Conservation Code, 2000 Edition is amended
to read as follows:
Section 101.3. Compliance. Compliance with this code shall be determined in
accordance with Sections 101.3.1, 101.3.2, or 101.3.3.
2. Section 101.3.3 of the International Energy Conservation Code, 2000 Edition is added to
read as follows:
Table 302.1 of the International Energy Conservation Code, 2000 Edition is amended to read as
follows:
Table 302.1. Exterior Design Conditions
CONDITION
VALUE
Winter .aes, .21d bulb F
99.8%
17
Summer . desi n a bulb F
0.4%
100
Summer .aesi nwe4bab F
04%
78
Degree days heat
2407
Dearee ass cooling
2803
Climate zone'
5B
4. Footnote (a) of table 302.1 of the International Energy Conservation Code, 2000 Edition
is amended to read as follows:
These values are from ASHRAE Handbook of Fundamentals for Dallas/Ft. Worth
International Airport 99.6% Winter DB, 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 uniform basis of requirements for North Central Texas. This
will not preclude licensed professionals from submitting design analysis based on site
measurements of published data more specific to the building site. Adjustments shall
be pemutted to reflect local climates which differ from the tabulated values, or local
weather experience determined by the code official.
5. Figures 302.1 (1-43, 45-51) of the international Energy Conservation Code, 2000 Edition
' are deleted.
6. Section 502.1.1, exception #2 of the International Energy Conservation Code, 2000
Edition is amended to read as follows:
Section 502.1.1, exception #2. Buildings located in Climate Zones 1 through 9 as indicated
in Table 302.1.
7. Section 502.1.5 of the International Energy Conservation Code, 2000 Edition is amended
by adding 3 exceptions to read as follows:
Section 502.1.5, 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 a permanent overhang with a projection factor of 0.3 or greater.
3. Any fenestration with attached screens where the have a rated shading coefficient of .6
or less.
8. Table 502.2 of the International Energy Conservation Code, 2000 Edition is amended to
read as follows:
Ordinance No. 2074-7-02 Page 2
D
Table 502.2. heating and Cooling Criteria
Element
Mode
Type A -i Residential
Buildings
U
Type A-2 Residential
Buildings
U
Walls
Healma or coolino
0.15
0.22
Rooliceiling
Hearing or cooling
0.03
0.03
Floors over unheated
spaces
Hearing or coaling
0.05
0.05
Heated slab an grade
Heating
R -valve s 5
R-valua - 6
Unheated slab on
Made
Heating
R-value:0
R -values 0
Basement wall
Heeling or cooling
U-factor=0.15
IHacta-0.15
Crawls ace wall
I Homing or coding
U -factor = 0.15
1 Lifactor- 0.15
9. Footnote (a) of table 502.2 of the International Energy Conservation Code, 2000 Edition
is amended to read as follows:
a. The above values have been determined for all counties in the North Central Texas
Council of Governments region.
10. Footnote (g) of table 502.2 of the International Energy Conservation Code, 2000 Edition
is added to read as follows:
g. These requirements apply only to the boundaries of conditioned space. Air
conditioning equipment is recommended, but not required, to be located within the
conditioned space in North Central Texas zones.
11. Section 502.2, Figure 502.2(7) of the International Energy Conservation Code, 2000
Edition is added to read as follows:
Note: 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 requnement.
12. Tables 502.2.4(1-9) of Section 502.2.4 of the International Energy Conservation Code,
2000 Edition are deleted.
13. Table 502.4(1) of Section 502.4 of the International Energy Conservation Code, 2000
Edition is added to read as follows:
Table 502.4(1)
Prescriptive Building Envelope Requirements, Type A-1 Residential Buildings, Based on
Window Area as a percent of Gross Exterior Wall Area (for zones 5b and 6b)
%
Maximum
I
Minimum
Glazing
Glazing
U -factor
Ceiling
R -value
Exterior
wall
R -value
Floor
R -value
Basement
wall
R -value
Slab
Wunder
R -value
and
depth
Crawl
space
wall
R -valor
<8%
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
<15%
0.65
R-30
R-13
R-11
R-6
R-0
R-7
<18%
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
1 R -3a
R-18
R-19
R-6
R-0
R-7
Ordinance No. 2074-7-02, Page 3
14. Table 502.4(2) of Section 502.4 of the International Energy Conservation Code, 2000
' Edition is added to read as follows:
Table 502.4(2)
Prescriptive Building Envelope Requirements, Type A-2 Residential Buildings,
Based on Window Area as a percent of Gross Exterior Wall Area
%
Maximum
Minimum
Glazing
Gluing
Ceiling
Exterior
Floor
Basement
Slab
Crawl
Il -factor
R -value
wall
R -value
wall
perimeter
space
R -Value
I
R -value
R -Value
wall
and
R -value
depth
<20%
0.55
R30
R-13
2 1
R-5
R-0
R-8
7
25%
0.55
R-30
R-13
R-11
R -5i
R-0
R-5
<30%
0.41
R -3a
R-19
I R-19
I R-7
I R-0
I RA
15. Section 503.3.3.3 of the International Energy Conservation Code, 2000 Edition is amended
to read as follows:
Section 503.3.33. Duct and Plenum Insulation. All supply and return -air ducts and
plenums installed as part of an HVAC air -distribution system shall be thermally insulated
in accordance with Table 503.3.3.3 or where such ducts or plenums operate at static
pressures greater than 2 in. w.g. (500 Pa) in accordance with Section 503.3.3.4.1.
' 16. Subsections 503.3.3.4.1 and 503.3.3.4.2 of Section 503.3.3.4 of the International Energy
Conservation Code are amended to read as follows:
Section 50333A.1. High and medium -pressure duct systems. All ducts and plenums
operating at static pressures greater than 2 in. w.g. (500Pa) shall be insulated and sealed in
accordance with Section 803.2.8. Ducts operating at static pressures in excess of 3 in. w.g.
(750 Pa) shall be leak tested in accordance with Section 803.3.6. Pressure classifications
specific to the duct system shall be clearly indicated on the construction documents in
accordance with the International Mechanical Code.
Section 503.3.4.2. Low pressure duct systems. All longitudinal and transverse joints,
seams and connections of supply and return ducts operating at static pressures less than or
equal to 2 in. w.g. (500 Pa) shall be securely fastened and sealed with welds gaskets,
mastics (adhesives), mastic-plusembedded fabric systems or tapes installed in accordance
with the manufacturer's installation instructions. Pressure classifications specific to the
duct system shall be clearly indicated on the construction documents in accordance with the
International Mechanical Code.
17. Table 802.2(1) of the International Energy Conservation Code, 2000 Edition is amended to
read as follows:
Ordinance No. 2074-7-02, Page 4
Table 802.2(1)
Budding Envelope Requirements
WINDOW AND GLAZED DOOR AREA 10 PERCENT OR LESS OF ADOVE-GRADE WALL
AREA
ELEMENT
CONDITIONNALUE Zones 5868
Skylights (11 -factor)
1
Slab or below- rade wall(R-value)
R-0
Windows and glass doors
PF<0.25
0.251PF<0.50
PF > 0.50M
SHGC
1F1411:1501'
Any
An
Any
An
An
Roof assemblies (R -value)
All -wood jolsttbuss
Mataljoistrtruss
Concrete slab or deck
Metal pudin wkh thermal block
Metal Pudin without thermal block
Insulation bMwoon
fnimin
Codinuaua insulation
R-19
R-18
R-25
R-17
NA
R-16
R-25
R-17
X
R-17
Floors over outdoor air or
unconditioned spam (R -value)
All-mod)olstfbuss
Metal joistAmss
Concrete slab or deck
Insulation bedvean
fnimin
Continuous insulation
R-11
R-6
R-11 I
R-6
NA I
R-6
Above- nide walk R -value
No finiming Maud funning Wood framing
Framed
R -value cavil
NA
R-11
R-11
R -value continuous
NA
R-0
R-0
CMU, u 8 in., with ince nil insulation
R -value cavil
NA
R-0
R-0
R -value continuous
R-0
R-0
R-0
Mer masonry walls
R -value cavi[
NA
R-0
R-0
R -value continuous
R-0
R-0
R-0
Ordinance No. 20747-02. Page 5
18. Table 802.2(2) of the International Energy Conservation Code, 2000 Edition is amended to
read as follows:
Table 802.2(2)
Building Envelope Requirements
WINDOW AND GLAZED DOOR AREA OVER 10 PERCENT BUT NOT GREATER THAN 25
PERCENT OF ABOVE -GRADE WALL AREA
ELEMENT
CONDITIONAIALUE
Skylights(l)-factor)
1
Slab or below rade wallJR-value)
R-0
Windows and glass doom
PF<0.25
0.251 PF < 0.50
PF>0.50
SHGC
U -factor
0.6
An
0.7
An
Any
An
Roof assemblies (R -value)
All-woodio,sUbuss
Metal joistleuss
Concrete slab or deck
Metal pudin with thermal block
Metal punin without thermal block
Insulation between Continuous insulation
fnomin
R-25 R-19
R-25
R-20
NA
R-19
R-30
R-20
X
RQO
Floors over outdoor air or
unconditioned space (R -value)
All-woodloistlauss
Metal joist/Inns
Comate slab or dock
Insulation halation Continuous insulation
framing
R-11
R-6
R-11
R-6
NA
R-5
Abov node walls R -value)
No frowning
Metal training
Wood Naming
Framed
R -value cavil
NA
R-11
R-11
R -value continuous
NA
R-0
R-0
CMU > 8 in.. with ante ml insulation
R -value cavity
NA
R-11
R-11
R-5
R-0
R-0
0continuous
Omer mason walls
R -value cavil
NA
R-11
R-11
R -value continuous
R-5
R-0
R-0
Ordinance No. 20747-02. Page 6
I
18. Table 802.2(3) of the Intemational Energy Conservation Code, 2000 Edition is amended to
read as follows:
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(17-factor)
1
Slab or below -grade wallJR-Value)
R-0
Windows and glass doors
PF<0.25
0.25: PF<0.50
PF � 0.50
SHGC
Waator
0.4
0.7
0.5
0.7
0.6
0.7
Roof assemblies (R -value)
All -wood jasVbuss
Metal joist4russ
Concrete slab or deck
Metal punin with thermal block
Metal punin without lhernal block
Insulation between Continuous insulation
framing
R-25 R-19
R-25
R-20
NA
R-19
R-30
R-20
X R-20
Floors over outdoor air or
unconditioned space (R -value)
All -rood joeVbuss
Metal jaistJtruss
Concrete slab or deck
Insulation between Continuous insulation
framin
R-11
R-6
R-11
R-6
NA
R-6
Abov rade walls(R-value)
No framing Metal framing
Wood framing
Framed
R -value ca0ty
NA R-11
R-11
R -value continuous
NA R-0
R-0
CMU. > 0 in.. with integral insulation
R -value cavi
22;-
NA R-11
R-11
R_
continuous
R5 R-0
R-0
Omer masonry walls
R -value cavity
NA R-11
R-01
R -value continuous
R5 R-0
R-0
Ordinance No. 20747-02, Page 7
n
19. Table 802.2(4) of the International Energy Conservation Code, 2000 Edition is amended to
read as follows:
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
CONDITIO1,11VALUE
Skyliahts U -factor
1
Slab or below rade wall (R.value)
R-0
Windows and glass doors
PF <025
0.251PF<0.50
PF>0.50
SHGC
014111ow
0.4
0.7
05
0.7
0.6
07
Roof assemblies (R -value)
All-waodloirVruss
Metal 1015ttuss
Concrete slab or deck
Metal purlin with thermal block
Metal pudin without thermal block
Insulation bahme Continuous Insulation
framin
R-25 R-19
R-25
R-20
NA
R-19
R-30
R-20
R-38 Rd0
Floors over outdoor air or
unconditioned space (R -value)
All-woodjoistmuss
Memljois0truss
Concrete slab or deck
Insulation between Continuous insulation
Gamin
R-11
R-6
R-11
R-6
NA R-6
Above -grade walls(R-value
No!rami Moladfirsining
Wood framing
Framed
R-valuecavi
NA R-13
R-11
R -value continuous
NA R3
R-0
CMU > 8 in, with inns ml insulation
R -value cavi
NA,NA R-11
R-11
R•value continuous
R-5 R-0
RA
011ier masonry walls
R-valuecavit
NA R-11
R-01
R -value continuous
R-5 R-0
R-0
20. Section 805.2.1 of the International Energy Conservation Code, 2000 Edition is amended
by adding a third sentence to read as follows:
Section 805.2.1. Interior Lighting Controls. Large spaces shall have a separate switch or
control for each 2500 square feet of floor area.
21. Chapter 9 of the International energy Conservation Code, 2000 Edition is amended by
replacing the referenced standard as follows:
ASHRAEJIES — 99. Energy efficient Design of New Buildings Except Low -Rise
Residential Buildings — 99 Edition."
SECTION 2. All ordinances of the City of Allen in conflict with the provisions of this ordinance shall be,
and the same are hereby, repealed; provided, however, that all other provisions of said ordinances not in
conflict herewith shall remain in full force and effect.
SECTION 3. Should any word, sentence, paragraph, subdivision, clause, phrase or section of this ordinance,
' or of the Allen Land Development Code, as amended hereby, be adjudged or held to be void or unconstitutional,
the same shall not affect the validity of the remaining portions of said ordinance or the Allen Land Development
Code, as amended hereby, which shall remain in full force and effect.
Ordinance No. 2074-7-02 Page 8
SECTION 4. An offense committed before the effective date of this ordinance is governed by prior law
and the provisions of the Allen Land Development Code, as amended, in effect when the offense was
' committed and the former law is continued in effect for this purpose.
SECTION 5. Any person, firm or corporation violating any of the provisions or terms of this ordinance
shall be subject to the same penalty as provided for in Allen Land Development Code of the City of Allen, as
previously amended, and upon conviction shall be punished by a fine not to exceed the sum of Two
Thousand Dollars ($2,000) for each offense, and each and every day such violation shall continue shall be
deemed to constitute a separate offense.
SECTION 6. This ordinance shall take effect immediately from and after its passage and publication in
accordance with the provisions of the Charter of the City of Allen, and it is accordingly so ordained.
DULY PASSED AND APPROVED BY THE CITY COUNCIL OF THE CITY OF ALLEN, COLLIN
COUNTY, TEXAS, ON THIS THE 23"a DAY OF JULY, 2002.
APPROVED:
Stephen Terrell, MAYO
APPROVED AS TO ORM: ATTEST�:��(/'/�
U&' 1--1)
Peter G. Smith, CITY ATTORNEY {>?Ison, CMC/AAE, CITY SECRETARY
Ordinance No. 2074-7-02, Page 9