HomeMy WebLinkAboutOrdinance No. 05-1623
CITY OF THE COLONY, TEXAS
ORDINANCE NO. 05 - 05-1623
AN ORDINANCE OF THE CITY OF THE COLONY, TEXAS
AMENDING THE CODE OF ORDINANCES BY AMENDING
CHAPTER 6, ARTICLE I, SECTION 6-5.2, BY DELETING ALL
REFERENCES TO THE INTERNATIONAL ENERGY
CONSERVATION CODE, 2000 EDITION, AND THE
AMENDMENTS THERETO AND PROVIDING FOR THE
ADOPTION OF THE INTERNATIONAL ENERGY
CONSERVATION CODE, 2003 EDITION; PROVIDING
AMENDMENTS TO THE INTERNATIONAL ENERGY
CONSERVATION CODE, 2003 EDITION; PROVIDING A
SEVERABILITY CLAUSE; PROVIDING A REPEALING
CLAUSE; PROVIDING A SAVINGS CLAUSE; PROVIDING A
PENALTY FOR VIOLATION OF THIS ORDINANCE NOT TO
EXCEED THE SUM OF TWO THOUSAND DOLLARS ($2,000.00)
FOR EACH OFFENSE; AND PROVIDING AN EFFECTIVE DATE.
BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF THE
COLONY, TEXAS:
SECTION 1. That the Code of Ordinances of the City of The Colony, Texas be,
and the same is, hereby amended by amending Chapter 6, Article I, Section 6-5.2 by
deleting all references to the International Energy Conservation Code, 2000 Edition and
the amendments thereto and providing for the adoption the International Energy
Conservation Code, 2003 Edition, and the amendments thereto, which shall read as
follows:
"ARTICLE 1. IN GENERAL
Sec. 6-5.2. International Energy Conservation Code, 2003 edition adopted and
amended.
(a) Adoption. The International Energy Conservation Code, 2003 Edition, as
published by the International Code Council is hereby adopted by reference. Unless
deleted, amended, expanded or otherwise changed herein, all provisions of such code
shall be fully applicable and binding.
(b) Amendments.
Add the following section:
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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.
Section 302.1; replace blank table 302.1 Exterior Design Conditions with the following:
CONDITIONS VALUE
Winter a, design dry-bulb (Op) (99.6%) 17
Summer a, design dry-bulb (OP) (0.4%) 100
Summer a, design wet-bulb (Op) (0.4%) 78
Degree days heating b 2407
Degree days cooling b 2603
Climate zone C 5B
Delete note "a" and replace with the following:
a. These values are from ASHRAE Handbook of Pun dam enta Is 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-Pt. Worth published by the
National Climatic Data Center, National Oceanic and Atmospheric
Administration. These values are for purpose of providing a uniform basis of
requirements for North Central Texas. This will not preclude licensed
professionals form 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.
Section 502.1.1; delete exception #2 and substitute with 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 a permanent overhang with a projection factor of 0.3 or greater.
3. Any fenestration with permanently attached screens where the screens have a
rated shading coefficient of .6 or less.
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Section 502.2; replace blank Table 502.2 Heating and Cooling Criteria with the
following:
Table 502.2 a,g
HEATING AND COOLING CRIERIA
Element Mode Detached One- Detached Two-
Family Dwellings Family Dwellings
Uo Uo
Walls Heating or cooling 0.15 0.22
Roof / Ceiling Heating or cooling 0.03 0.03
Floors over Heating or cooling 0.05 0.05
unheated spaces
Heated slab on Heating R-value = 6 R-value = 6
grade
Unheated slab on Heating R-value = 0 R-value = 0
grade
Basement walls Heating or cooling U-factor = 0.15 U-factor= 0.15
Craw 1 space walls 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 region.
Add Note "g":
g. 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 Figure 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 demonstrating envelope compliance at least 10% better than code may
utilize R6 duct insulation in both supply and return air ducts in lieu 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 following:
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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
% Maximum Minimum
Glazing Glazing Ceiling Exterior Floor Basement Slab Crawl
U - factor R-value wall R-value wall perimeter space
R-value R-value R-value wall
and depth R-value
<8% 0.70 R-26 R-ll R-ll R-5 R-O R-6
< 12% 0.65 R-26 R-13 R-ll R-5 R-O R-5
< 15% 0.60 R-30 R-13 R-19 R-6 R-O R-7
< 18% 0.52 R-30 R-13 R-19 R-6 R-O R-7
<20% 0.50 R-38 R-13 R-19 R-6 R-O R-7
<25% 0.46 R-38 R-16 R-19 R-6 R-O R-7
Replace Table 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
% Maximum Minimum
Glazing Glazing Ceiling Exterior Floor Basement Slab Crawl
U - factor R-value wall R-value wall perimeter space
R-value R-value R-value wall
and depth R-value
<20% 0.55 R-30 R-13 R-ll R-5 R-O R-5
<25% 0.55 R-30 R-13 R-ll R-5 R-O R-5
<30% 0.47 R-38 R-13 R-19 R-7 R-O R-8
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 inches.
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,
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gaskets, mastics (adhesives), mastic-plus-embedded-fabric systems or tapes or
other approved closure systems. Tapes and mastics used to seal ductwork shall be
listed and labeled in accordance with UL 18IA or UL 18IB. Duct connections to
flanges of air distribution system equipment shall be sealed and mechanically
fastened. Unlisted duct tape is not permitted as a sealant on any metal ducts.
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 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 screens have a rated shading
coefficient of .6 or less.
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). The deleted tables are not necessary
after tables 1-4 are completed and eliminates data irrelevant to the NCTCOG region.
TABLE 802.2(1)
BUILDING ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR AREA 10 PERCENT OR LESS OF ABOVE-
GRADE WALL AREA
ELEMENTS CONDITION / VALUE
Skylights (U-factor) 1
Slab or below-grade wall (R- R-O
value)
Windows and glass doors SHGC U-factor
PF< 0.25 Any Any
0.25 :S PF < 0.50 Any Any
PF > 0.50 Any Any
Roof assemblies (R-value) Insulation Continuous Insulation
between framing
All-wood joist / truss R-I9 R-I6
Metal joist / truss R-25 R-I7
Concrete slab or deck NA R-I6
Metal purlin with thermal block R-25 R-I7
Metal purlin without thermal X R-I7
block
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Floor over outdoor air or Insulation Continuous Insulation
unconditioned space (R-value) between framing
All-wood joist / truss R-ll R-6
Metal joist / truss R-ll R-6
Concrete slab or deck NA R-6
Above-grade walls (R-value) No framing Metal framing Wood
framing
Framed
R-value cavity NA R-ll R-ll
R-value continuous NA R-O R-O
CMU, ~8 in., with integral
insulation
R-value cavity NA R-O R-O
R-value continuous R-O R-O R-O
Other masonry walls
R-value cavity NA R-O R-O
R-value continuous R-O R-O R-O
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
ELEMENTS CONDITION / VALUE
Skylights (U-factor) 1
Slab or below-grade wall (R- R-O
value)
Windows and glass doors SHGC U-factor
PF< 0.25 0.6 Any
0.25 :S PF < 0.50 0.7 Any
PF :::: 0.50 Any Any
Roof assemblies (R-value) Insulation Continuous Insulation
between 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 purl in without thermal X R-20
block
Floor over outdoor air or Insulation Continuous Insulation
unconditioned space (R-value) between framing
All-wood joist / truss R-ll R-6
Metal joist / truss R-ll R-6
Concrete slab or deck NA R-6
Above-grade walls (R-value) No framing Metal framing T Wood
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framing
Framed
R-value cavity NA R-ll R-ll
R-value continuous NA R-O R-O
CMU, ::::: 8 in., with integral
insulation
R-value cavity NA R-ll R-Il
R-value continuous R-5 R-O R-O
Other masonry walls
R-value cavity NA R-ll R-ll
R-value continuous R-5 R-O R-O
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
ELEMENTS CONDITION / VALUE
Skylights (U-factor) 1
Slab or below-grade wall (R- R-O
value)
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 Continuous Insulation
between 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 X R-20
block
Floor over outdoor air or Insulation Continuous Insulation
unconditioned space (R-value) between framing
All-wood joist / truss R-ll R-6
Metal joist / truss R-ll R-6
Concrete slab or deck NA R-6
Above-grade walls (R-value) No framing Metal framing Wood
framing
Framed
R-value cavity NA R-l1 R-ll
R-value continuous NA R-O R-O
CMU, ::::: 8 in., with integral
insulation
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79781
R-value cavity NA R-ll R-ll
R-value continuous R-5 R-O R-O
Other masonry walls
R-value cavity NA R-ll R-ll
R-value continuous R-5 R-O R-O
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
ELEMENTS CONDITION / VALUE
Skylights (U-factor) 1
Slab or below-grade wall (R- R-O
value)
Windows and glass doors SHGC U - factor
PF< 0.25 0.4 0.7
0.25 ::s PF < 0.50 0.5 0.7
PF 2: 0.50 0.6 0.7
Roof assemblies (R-value) Insulation Continuous Insulation
between 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 R-38 R-20
block
Floor over outdoor air or Insulation Continuous Insulation
unconditioned space (R-value) between framing
All-wood joist / truss R-ll R-6
Metal joist / truss R-ll R-6
Concrete slab or deck NA R-6
Above-grade walls (R-value) No framing Metal framing Wood
framing
Framed
R-value cavity NA R-13 R-ll
R-value continuous NA R-3 R-O
CMU, 2: 8 in., with integral
insulation
R-value cavity NA,NA R-ll R-ll
R-value continuous R-5 R-O R-O
Other masonry walls
R-value cavity NA R-ll R-ll
R-value continuous R-5 R-O R-O
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79781
Add footnote "/" to SHOC 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:
1. Any glazing facing within 45 degrees oftrue 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.
3. Any glazing with permanent attached screens where the screens have a
rated shading coefficient of 0.60 or less.
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.
Delete Figures 902.1 (1-43,45-51). There is no need to reference maps from other states.
Chapter 10; replace referenced standard as follows:
ASHRAE / IES - 00 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 2. If any section, subsection, paragraph, sentence, phrase or work in
this ordinance, or application thereof to any person or circumstance is held invalid by any
court of competent jurisdiction, such holding shall not affect the validity of the remaining
portions of this ordinance, and the City Council of the City of The Colony, Texas hereby
declares it would have enacted such remaining portions despite any such invalidity.
SECTION 3. That the repeal of any ordinance or any portion thereof by the
preceding sections shall not affect or impair any act done or right vested or accrued or
any proceeding, suit or prosecution had or commenced in any cause before such repeal
shall take effect; but every such act done, or right vested or accrued, or proceedings, suit
or prosecution had or commenced shall remain in full force and effect to all intents or
purposes as if such ordinance or part thereof so repealed shall remain in force.
SECTION 4. That any person, firm or corporation violating any of the
provisions of this ordinance or the Code of Ordinances as amended hereby, shall be
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guilty of a misdemeanor and upon conviction in the Municipal Court of the City of The
Colony, Texas, shall be subject to a fine not to exceed the sum of Two Thousand Dollars
($2,000.00) for each offense; and each and every day such offense is continued shall
constitute a new and separate offense.
SECTION 5. That this ordinance shall become effective immediately from and
after its passage and the publication of the caption, as the law and charter in such cases
provide.
PASSED AND APPROVED by the City Council of the City of The Colony,
Texas, this the 5th day of December, 2005.
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. stie Wilson, City Secretary '-.,
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