HomeMy WebLinkAbout1981-12INDIAN RIVER COUNTY
ORDINANCE NO. 81-12
AN ORDINANCE AMENDING INDIAN RIVER COUNTY CODE OF
COUNTY ORDINANCES SECTION 4-38 ENERGY EFFICIENCY
BUILDING CODE ADOPTED; AMENDMENTS; TO PROVIDE FOR
A NEW MODEL ENERGY EFFICIENCY CODE AS MANDATED BY
THE 1980 FLORIDA LEGISLATURE; AND PROVIDING FOR AN
EFFECTIVE DATE.
BE IT ORDAINED BY THE BOARD OF COUNTY COMMISSIONERS OF
INDIAN RIVER COUNTY, FLORIDA, that the Indian River County Code of
County Ordinances Section 4-38, which previously read:
Sec. 4-38. Energy efficiency building code adopted; amendments.
(a) On March 21, 1979, Indian River County adopted as an additional
building code for said county the "Indian River County Energy Efficiency
Building Code," also known as "The Code For Energy Conservation In New
Building Construction With Florida Amendments," and referred to herein
as the "energy code," three (3) copies of which are on file in the office
of the clerk of the circuit court of Indian River County, Florida, all of
which are hereby made a part of the Indian River County Code of Ordin-
ances as if herewith completely incorporated herein subject only to
specific additions, deletions, and amendments as set forth in this sec-
tion 4-38. Any person, firm or corporation, violating or convicted of a
violation of any provisions of said code for which a penalty is or may be
provided, shall be in that manner punished, otherwise, or in addition
thereto, shall be punished as prescribed by law.
(b) Add the following sentence to the introductory paragraph of Section
101.3(a) at page 1-2 of the energy code:
Only those portions of the structure which are actually renovated
shall be required to meet this energy code.
(c) Replace Section 101.3(a)2 at page 1-2 of the energy code, which as
amended will read:
2. Exempt buildings:
a. Any building or portion thereof whose peak design rate of energy
usage for all purposes is less than one watt (3.4 British thermal
units per hour) per square foot of floor area for all purposes.
b. Any building which is neither heated nor cooled.
c. Any mobile home.
d. Any building or portion thereof subject to standards established
by the United States.
e. Any historical building as described in Section 267.021(6),
Florida Statutes.
f. Any state building that must conform to the more stringent
"Florida Energy Conservation Act of 1974" and amendments thereto.
(d) Replace Section 101.3(b)2 at pages 1-3 and 1-4 of the energy code,
which as amended will read:
2. Exempted public buildings means:
a. Any public building or portion thereof whose peak design rated
energy usage for all purposes is less than one watt (3.4 Btu's
per hour) per square foot of floor area for all purposes.
b. Any public building which is neither heated nor cooled.
c. Any mobile home.
d. Any buildings or portion thereof subject to standards established
by the United States.
e. Any state building that must conform to the more stringent
"Florida Energy Conservation in Buildings Act of 1974" and
amendments thereto.
(e) Add the following definition to Section 201.1 on page 2-4 of the
energy code:
Heated slab. A floor, usually constructed of concrete, that has
heat energy supplied into the slab to provide heating to an interior
space.
(f) Add the following sentence at page 5-2 of the energy code immedi-
ately following the last sentence of paragraph 502.2(a)(1):
Equation I -A may be used.
(g) Add the following paragraphs at page 5-2 of the energy code,
following paragraph 502.2(a)3:
502.2(b). Insulating/Solar Glass Equivalence:
Table 5-2C in Section 502.3(c) shows shading coefficients for solar
glass which are equivalent to insulating glass. This table is
applicable for residential buildings.
502.3(c). Insulating/Solar Glass Equivalence:
Table 5-2C indicates the maximum shading coefficients for single -pane
solar glass which are equivalent to dual -pane insulating glass with a U
value of 0.65 or larger.
(h) Replace Table 5-1 at page 5-3 of the energy code with the following
Table and new Footnote 1 and amended Footnote 2:
Table 5-1
Type Al and A2 Residential Buildings
Element Mode Value
Walls Heating or Cooling Uo 0.30 Max.1
Roof/ceiling Heating or Cooling Uo 0.05 Max.
Floors over
unheated spaces Heating or Cooling Uo 0.30 Max.
Heated slab
on grade Heating R 3.4 Min.
1For A2 buildings Uo + 0.38 Max. is permitted.
2Roof/ceiling assemblies in which the finished interior surface is
the underside of the roof deck, a maximum value Uois 0.09 Btu/h ft.2 F.
(i) Add the following Equation 1-A on a new page of the energy code
numbered 5-6.1:
Equation 1-A
Uo + M x UwAw + Ug Ag + U d A d
Where:
Uo = The average or combined thermal transmittance of the gross
exterior wall area.
A = The gross exterior wall area.
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Uw = The thermal transmittance of the opaque wall.
A = Opaque wall area.
Ug = The thermal transmittance of the glazing.
Ag = Glazing area.
U = The thermal transmittance of the doors.
Ad = Door area.
M = Correction factor for mass based on specific heat, density
and climate.
(j) Add the following Table 5-2C after Table 5-2B at page 5-8 of the
energy code:
Table 5-2C
Insulating/Solar Glass Equivalence
Equivalent Shading Coefficients
Climatological Zones
1 2 3 4 5 6 7 8 9
0.55 0.55 0.58 0.64 0.63 0.66 0.68 0.70 0.70
After calculating compliance of U values, the designer may substi-
tute equal amounts of solar glass with the above shading coefficients
(or lower) for insulating glass with U values of 0,65 (or higher).
(k) Paragraph 503.2(a) at page 5-10 of the energy code is hereby
amended as follows:
503.2(a). Calculation Procedures:
For purposes of sizing HVAC systems, the procedures described in
Chapters 24, 25, or 26 of Std. RS -1 may be used, or an equivalent
computation procedure.
This code does not regulate HVAC system sizing. HVAC systems may be
sized using weather criteria not contained in this code. This code
does not stipulate designer safety factors, provisions for future
expansion, or other factors which affect equipment sizing.
(1) Add the following paragraph 503.4(b)(4) following paragraph
503.4(b)(3)(e) at page 5-14 of the energy code:
503.4 (b) (4) .
Electric resistance comfort heating equipment may be used separately
or in conjunction with straight air conditioning units or other HVAC
systems. The manufacturer of electric resistance comfort heating
equipment shall make available to prospective purchasers, designers,
or contractors full load energy input over the range of voltages at
which the equipment is intented to operate.
(m) Subparagraphs 1, 2 and 3 of Subsection 503.7(a) on page 5-18 of
the energy code are hereby amended to read as follows:
1. Where used to control heating only, a maximum temperature setting
of 72 F.
2. Where used to control cooling only, a minimum temperature of 79 F.
3. Where used to control both heating and cooling, it shall have a
maximum heating mode temperature setting of 72 F and a minimum cooling
mode temperature setting of 78 F and shall be capable of operating the
system heating and cooling in sequence. It shall be adjustable to
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provide a temperature range of up to 10 F between full heating and
full cooling in sequence. It shall be adjustable to provide a
temperature range of up to 10 F between full heating and full cooling,
except as followed in 503.3(c)4b.
(n) The introductory paragraa2 _:f Section 503.9 in the energy code as
adopted March 21, 1979, r�:iui]^s ds `ollows:
All duct work shall 'be cor.strucLad and erected in accordance with
standards RS -15, RS -16, RS -17, RS -18, RS -19, or RS -20, as applicable,
which standards supersede the standards in Section 502 of the Standard
Mechanical Code now or hereafter in effect as adopted by the county.
The other provisions of Chapter V of the said mechanical code apply to
the extent the specific criteria are not addressed in any applicable
RS standards. If there is a conflict between any provisions of Chapter
V of said mechanical code as amended or hereafter and the RS standards,
the RS standards shall control. Subparagraphs (a), (b) and (c) of
Section 503.9 are not amended. This amendment continues from the
original adoption of the energy code on March 21, 1979.
(o) Add the following paragraph 504.2(a)2 at page 5-26 of the energy
code between when tested in accordance with Standard RS -7" and
"EXCEPTION:-:"
All gas-/ and oil -fired water heaters having an input rate over
75,000 Btu/h (22kw) but less than 4,000 Btu/h per gallon (0.3 kw/liter)
of self -stored water shall also have a standby loss not exceeding:
X = 2.8 + p/002 Q/V
Where Q = rated input in Btu/h; V =3 rated volume in gallons
(S = 2.8 + 25/9 Q/Y for V of 1.52 m or less; or S = 2.8 + 41 Q/V for
V exceeding 1.52 m ) when tested in accordance with Section 2.8 of
Standard RS -7. (For determining the efficiency of oil fired units,
CF = 1.0; Q = total gallons of oil consumed; and H = total heating
value of the oil in Btu/gallon).
(p) The italicized paragraph in paragraph (e) of Section 505.2 of the
energy code remains deleted. Said deleted paragraph reads as follows:
A single meter for the building can be installed to determine power
company charges with submetering for each tenant to prorate the charges
between tenants.
(q) Add the following after the last sentence of paragraph 602.2(a) at
page 6-1 of the energy code:
Charts 6-C and 6-D shall be used for Group R buildings. Thermal mass
factor M = 0.8.
(r) Subparagraphs 1 and 2 of Subsection 603.3 on page 6-5 of the energy
code are hereby amended to read as follows:
1. Where used to control heating only, a maximum temperature setting
of 72 F.
2. Where used to control cooling only, a minimum temperature setting
of 78 F.
(s) Add Chart 6-C by an inserted new page numbered 6-10.1 following
page 6-10 of the energy code. Add the following sentence under the
heading of said Chart 6-C:
(Includes mass factor of 0.8)
Also add Chart 6-D to the reverse side of said new page 6-10; number
said reverse side page 6-10.2 and add the following under the heading
of said Chart 6-D:
(Includes mass factor of 0.8)
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7 A
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(t) Add the following sentence as a new paragraph following the last
paragraph of Section 802.1 (following the paragraph referring to Column
F) and immediately before Section 802.2 at page 8-2 of the energy code:
Infiltration need not be calculated as part of the design -day
method.
(u) Alternate pages 1-2A, 1-4A, 5-15A, 5-16A, 5-17A, 6-4A, and 6-5A
are not adopted by the county. Appendix Tables 6-1A at page 6-11,
6-1B at page 6-12, 6-1C at page 6-13, 6-2 and 6-3 both at page 6-14 as
they existed on March 21, 1979 are deleted .from the Indian River County
Energy Code. The State of Florida is now amending said Appendix Tables.
When each amended appendix table is adopted by the state, each state -
adopted amendment shall automatically become a part of the energy code
as typical assemblies, and which shall not be all inclusive. Alternate
Table 6-1B has been adopted by the State of. Florida and shall be inserted
at page 6-12 of the energy code as a typical assemblage.
(v) The Indian River County Board of Adjustments and Appeals shall.have
jurisdiction over appeals from decisions of the building official regard-
ing the Indian River County Energy Code and the standards therein.
(w) Add additional Section 9, Residential Point System Method dated
August 30, 1979 prepared by Brabham, Kuhns, DeBay, and Dr. Roger Messen-
ger and Dr. Jose Villanueva which Addendum to the Florida Model Energy
Efficiency Code for Building Construction is incorporated into this
section with three (3) copies on file in the office of the clerk of the
circuit court of Indian River County, said addendum numbered 901.0
through 903.5.
(x) Add an additional Section 10, Florida Power and Light Company
Optional Energy -Saving Features/Point Awards which shall read:
1001 Limited solely to single-family residential structures where it
is established that the Florida Power and Light Companv Optional Energy -
Saving Features/Point Awards system meets or exceeds criteria established
in the energy code as amended by this section, the building department
shall be authorized to accept an application that meets or exceeds one
hundred (100) points over the Florida Power and Light Company Optional
Energy -Saving Features/Point Awards in lieu of other methods of compu-
tation as provided in the energy code. The Florida Power and Light
Company criteria designated Optional Energy -Saving Features/Point Awards,
is hereby incorporated into this section with three (3) copies on file in
the office of the clerk of the circuit court of Indian River County,
Florida. (Ord. No. 79-6, X 1, 3-26-79; Ord. No. 80-4, X 1, 2-11-80)
Cross reference -Mechanical code, X X 4-101, 4-102.
Indian River County Code of County Ordinances Section 4-38 is amended to
read as follows:
Sec. 4-38. Energy efficiency building code adopted; amendments.
(a) Effective October 1, 1980, the 1980 Florida Legislature mandated
Chapter 80-193, Laws of Florida, which state in essence that the Florida
Model Energy Efficiency Code replaces all other codes addressing energy
code standards in the State of Florida. Therefore, Indian River County
does hereby adopt the Florida Model Energy Efficiency Code for Building
Construction, published by the Governor's Energy Office for the Department
of Community Affairs, Bureau of Codes and Standards, effective October 1,
1980, a copy of which is on file in the Indian River County Planning and
Zoning Department and which is hereby made a part of the Code of County
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Ordinances as if herewith completely incorporated herein.
(b) Violations and penalties. Any person, firm or corporation, or
anyone acting in behalf thereof, who shall violate or fail to comply
with any of the provisions of this section, as amended, shall upon
conviction be punished by fine not to exceed $500.00. The Board of
County Commissioners may enforce provisions of this Ordinance by seeking
injunctive relief, or any other remedies provided by law.
This Ordinance shall take effect March 30, 1981.
STATE OF FLORIDA.
INDIAN RIVER COUNTY
THIS IS TO CERTIFY THAT THIS IS
A TRUE AND CORRECT COPY OF
THE ORIGINAL ON FILE IN THIS
OFFICE.
FREDA WRIGHT, CLERK
BY
DATE " o- 7 - 81
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