06-19-19-Ordinance-Energy Conservation Code Amendments-06/03/2019ORDINANCE 906-19-19
AN ORDINANCE OF THE CITY OF SANGER, TEXAS AMENDING THE
CODE OF ORDINANCES, ARTICLE 3.2500 "ENERGY CONSERVATION
CODE"; PROVIDING FOR THE REPEAL OF ALL ORDINANCES IN
CONFLICT; PROVIDING A SEVERABILITY CLAUSE; PROVIDING FOR A
PENALTY; AND PROVIDING FOR AN EFFECTIVE DATE.
NOW THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF
THE CITY OF SANGER, TEXAS:
Section 1. That Chapter 3, Article 3.2500 of the Code of Ordinances, City of
Sanger, Texas is hereby amended in part as follows:
"Sec.3.2505 Amendents...
"Section R402.4 (N1102.4) Air leakage (Mandatory); add a new section and table to read
as follows:
R402.4.1.3 (N1102.4.1.3) Testing option — ACH tradeoff. As an option to the air leakage rate set
out in Section R402.4.1.2 (N1102.4.1.2), 1- and 2-family homes meeting all ofthe listed criteria below
and the thermal envelope requirements in Table R402.4.1.3 (N1102.4.1.3) will be considered
compliant when tested and verified as having an air leakage rate to not less than or equal to four air
changes per hour when tested and reported in accordance with the testing standards and reporting
criteria listed in Section R402.4.1.2 (N1102.4.1.2).
The compliance equivalency is limited as follows:
1. Limited to a conditioned floor area between 1,000 and 6,000 square feet,
2. Limited to between 2 to 6bedrooms,
3. Assumes all ductwork and mechanical equipment is located in the unconditioned attic,
4. Assumes typical wood framing in the walls and roof, and
5. Assumes one of the following heating/cooling systems:
a. All electric system with a heat pump for heating, or
b. A system with electric cooling and natural gas heating.
Dwellings using electric resistance strip heating do not qualify for this tradeoff.
TABLE R402.4.1.3 (N1102.4.1.3)a
Envelope Component
Option #1
Option #2
R402.4 Air Leakage
< 4 ACH50
< 4 ACH50
Wall Insulation R-value
R13 + R3b
R13 + R3 b
Fenestration U-factor
< 0.32
< 0.32
Fenestration SHGC
< 0.25
< 0.25
Ceiling R-value
> R49
> R49
Duct Insulation R-value
R8
R6
Radiant Barrier Required
No
Yes
a. Except for the values listed in the table, all other mandatory code provisions are applicable.
b. The first value listed is the R-value of cavity insulation, the second value is the R-value of
the continuous insulation or insulated siding.
** Section R402.4 Air leakage (Mandatory); add a new section to read as follows:
R402.4.1.4 Testing options for R2 multifamily dwelling units. As an option to the air leakage rate
set out in Section R402.4.1.2, multifamily dwelling units will be considered compliant when tested
and verified as having an air leakage rate to the air leakage rate set out in either Section R402.4.1.4.1
or Section R402.4.1.4.2 when tested and reported in accordance with the testing standards and
reporting criteria listed in Section R402.4.1.2
R402.4.1.4.1 Total air leakage rate for interior multifamily dwelling units. Interior
multifamily dwelling units with a measured, "unguarded" total air leakage result of 5.3 ACH50
or less shall be considered compliant.
R402.4.1.4.2 Total air leakage rate for corner multifamily dwelling units. Corner
multifamily units with a measured, "unguarded" total leakage result of less than 5.0 ACH50
shall be considered compliant..."
Section 2. All ordinances or parts of ordinances in conflict herewith are, to the extent of
such conflict, hereby repealed.
Section 3. It is hereby declared to be the intention of the City Council that the sections,
paragraphs, sentences, clauses, phrases and words of this ordinance are severable and, if any word,
phrase, clause, sentence, paragraph, or section of this ordinance shall be declared invalid by the valid
judgement or decree of any court of competent jurisdiction, such determined shall not affect any of
the remaining portions of this Ordinance, since the same would have been enacted by the City Council
without the incorporation in this Ordinance of any such invalid word, phrase, clause, sentence,
paragraph or section.
Section 4. Any person, firm or corporation who shall violate any of the provisions of this
article shall be guilty of a misdemeanor and upon conviction shall be fined in accordance with the
general penalty provision found in Section 1.109 of the Code of Ordinances.
Section 5. This ordinance will take effect from and after its passage and the publication of the
caption, as the law and Charter in such cases provide.
DULY PASSED, APPROVED AND ADOPTED, this the'vay o�19, by the
City Council of the City of Sanger, Denton County, Texas.
'`��r�•`y OF SgNC APPROVED
Vol
ATTEST: TEXIt Thomas E. Muir, MAYOR
f���'%, AS • �``r
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Cheryl P i , CITY SECRETARY