1990-024ORDINANCE NO.
AN ORDINANCE AMENDING SECTION 5-3 OF CHAPTER 5, ARTICLE I (BUILDING
CODE) OF THE CODE OF ORDINANCES OF THE CITY OF DENTON TO PROVIDE
FOR ENERGY CONSERVATION REQUIREMENTS IN CERTAIN APARTMENT BUILD-
INGS; PROVIDING FOR A PENALTY IN THE MAXIMUM AMOUNT OF $500.00 FOR
VIOLATIONS THEREOF; PROVIDING FOR A SEVERABILITY CLAUSE; PROVIDING
FOR A REPEALER; AND PROVIDING FOR AN EFFECTIVE DATE.
THE COUNCIL OF THE CITY OF DENTON HEREBY ORDAINS:
SECTION I. That Section 5-3 (11) of Article I, Chapter 5 of
the Code of Ordinances of the City of Denton, Texas is hereby
amended to read as follows:
Sec. 5-3. Deletions and Amendments.
(11) Chapter 17 is amended by adding a new Section 1717 to read
as follows:
Section 1717, Energy Conservation in New Building
Construction. Listed below are minimum requirements for
control of air infiltration:
a. Exterior bottom plates must be sealed with construction
adhesive or caulking.
b. Door and window frames must be sealed and caulked.
c. All exterior wall penetrations, (pipes, etc.) must be
sealed and caulked.
d. All holes or spaces in top plates must be sealed.
e. All exterior walls must be insulated with insulation
having a minimum Rll value.
f. Attic areas must be insulated with insulation having a
minimum R19 value.
g. No cracks shall be permitted in exterior wall
sheathing. All joints in sheathing not over solid
framing shall be sealed with materials to stop air
infiltration.
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Exception, Group R, Division 1 Apartment Buildings.
Listed below are minimum requirements for apartment
buildings:
a. Exterior bottom plates must be sealed with construction
adhesive or caulking.
b. Door and window frames must be sealed and caulked.
c. All exterior wall penetrations, (pipes, etc.) must be
sealed and caulked.
d. All holes or spaces in top plates must be sealed.
e. All exterior walls shall provide a minimum R19
insulation value.
f. Attic areas over conditioned areas shall be insulated
with insulation having a minimum R30 value where
electrical resistance heating is used and a minimum R26
value when other heating means are used.
g. No cracks shall be permitted in exterior wall
sheathing. All joints in sheathing not over solid
framing shall be sealed with materials to stop air
infiltration.
h. One layer of minimum 4 mil plastic sheeting shall be
applied to the framing behind the wall finish material
at all walls surrounding conditioned areas.
i. No cooling equipment shall be installed which has a
SEER rating of less than 9.0.
j. All hot water heating devices shall be contained in an
insulating blanket (either internally or externally)
which has a minimum R10 value.
k. All exterior windows and sliding glass patio doors
shall have double glazing.
1. Unshaded west facing glass shall not exceed twenty
percent (20%) of the total exterior glazed area in any
individual apartment. Glass facing west or up to
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forty-five degrees (45) either north or south of due
west shall be deemed to face west.
The following are acceptable shading installations:
(1) fixed or operable louvers;
(2) grilles;
(3) shade-producing screens and roofs; or
(4) mature undisturbed tree(s) which will provide a
minimum of fifty percent (50%) shading on the
glass in question when the sun angle is thirty
degrees (30) above the horizontal and due west.
Other methods which will provide a minimum fifty
percent (50%) shading may be acceptable.
SECTION II. That any person violating any provision of this
ordinance shall, upon conviction, be fined a sum not exceeding
$500.00. Each day that a provision of this ordinance is violated
shall constitute a separate and distinct offense.
SECTION III. That if any section, subsection, paragraph,
sentence, clause phase or word 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 Denton, Texas, hereby declares it would have
enacted such remaining portions despite any such invalidity.
SECTION IV. 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, suite 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 had remained in force.
SECTION V. That this ordinance shall become effective fourteen
(14) days from the date of its passage, and the City Secretary is
hereby directed to cause the caption of this ordinance to be
published twice in the Denton Record-Chronicle, the official
newspaper of the City of Denton, Texas, within ten (10) days of the
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date of its passage.
PASSED AND APPROVED this the x200-1 day of , 1990.
RAY ST PH NS, YOR
ATTEST:
JENNIFER WALTERS, CITY SECRETARY
~,Q1
BY:
APPROVED AS TO LEGAL FORM:
DEBRA A. DRAYOVITCH, CITY ATTORNEY
BY: i /
BLDGCODE.ORD
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