The 2021 edition of the International Energy Conservation Code,
as published by the International Code Council, Inc., as hereinafter
amended, is hereby adopted as the energy conservation code of the
City of Lubbock, Texas. A copy of said code is attached hereto and
incorporated herein as though set out herein in detail. References
to the energy conservation code or the energy code in this chapter
or to "this code" within this article shall mean and refer to the
2021 edition of the International Energy Conservation Code as amended
herein. One copy of the 2021 International Energy Conservation Code
shall be filed with the city secretary and a copy shall be maintained
in the office of the city building official. All such copies, with
the amendments thereto, shall be open to public inspection during
the usual hours of business of the offices where they are maintained.
(1983 Code, sec. 6-701; Ordinance 2002-O0112, sec. 1, adopted 11/14/2002; Ordinance 2011-O0107, sec. 1,
adopted 11/3/2011; Ordinance
2020-O0019 adopted 2/11/2020; Ordinance 2024-O0031 adopted 3/26/2024)
The administrative provisions contained in chapter 28, articles 28.01 through 28.08 of this Code of Ordinances are applicable to this article; however, for purposes of administering provisions related more specifically to the regulation of energy conservation systems design and installation, these supplemental administrative provisions have been provided. Except as amended or supplemented within sections 28.16.002 and 28.16.003, the entire text of Chapter 1, of the 2021 International Energy Conservation Code is deemed to be incorporated herein as though set out herein in detail. Where a conflict arises between a provision contained within sections 28.16.002 and 28.16.003 and articles 28.01 through 28.08 of this Code of Ordinances, it is the intent that the more specific govern, as determined by the building official.
(Ordinance 2011-O0042, sec. 11,
adopted 5/31/2011; Ordinance
2011-O0107, sec. 1, adopted 11/3/2011; Ordinance 2020-O0019 adopted 2/11/2020; Ordinance
2024-O0031 adopted 3/26/2024)
(a)
Title.
Sections C101.1 and R101.1 are hereby amended
to read as follows:
C101.1 Title. This code shall be known
as the International Energy Conservation Code of the City of Lubbock,
Texas and shall be cited as such. It is referred to herein as "this
code."
R101.1 Title. This code shall be known
as the International Energy Conservation Code of the City of Lubbock,
Texas and shall be cited as such. It is referred to herein as "this
code."
(b)
The following administrative provisions within chapter 1, of the International Energy Conservation Code are hereby stricken, and the corresponding provisions within articles 28.01 through 28.08 of this Code of Ordinances shall govern, as indicated in table 28.16.003 below:
|
Table 28.16.003
Administrative Provisions Cross-Reference
| ||
|---|---|---|
|
2021 International Energy Code Section
|
Section Heading/Subject
|
Refer to Lubbock Code of Ordinances Section
|
|
C104.5 and R104.5
|
Fee refunds
| |
|
C109.4 and R109.4
|
Violation penalties
| |
|
C109 and R109
|
Stop work orders
| |
|
C110 and R110
|
Means of appeals
| |
(c)
Exempt buildings.
Sections C501 and R501 are hereby
amended to read as follows:
C501.5 and R501.6 Historic buildings. Any building or structure that is listed in the State or National
Register of Historic Places; designated as a historic property under
local or state designation law or survey; certified as a contributing
resource with a National Register listed or locally designated historic
district; or with an opinion or certification that the property is
eligible to be listed on the National or State Registers of Historic
Places either individually or as a contributing building to a historic
district by the State Historic Preservation Officer or the Keeper
of the National Register of Historic Places, are exempt from this
code.
C501.5.1 Hospitals and research laboratories. Hospitals licensed by the State Department of Health Services and
research laboratories containing fume hoods and other HVAC systems
for the protection of occupants shall be exempt from the provisions
of this code.
Exception: Non-residential buildings otherwise exempted by Sections
C501.5 or C501.5.1 above are not exempt from the service water heating
and electrical lighting provisions of this code.
(1983 Code, secs. 6-702–6-723; Ordinance 2002-O0112, secs. 2–23, adopted 11/14/2002; Ordinance 2011-O0042, sec. 10, adopted 5/13/2011; Ordinance 2011-O0107, sec. 1, adopted 11/3/2011; Ordinance 2020-O0019 adopted 2/11/2020; Ordinance
2024-O0031 adopted 3/26/2024)
(a)
Interior design conditions.
Section C302.1 is
hereby deleted in its entirety.
(b)
Minimum skylight fenestration area.
Section C402.4.2
is hereby amended with additional text that reads:
The minimum skylight fenestration area is not a mandatory guideline
but more as a recommendation. Decisions for use shall be determined
by the design professional or acting representative.
(c)
Building envelope performance verification.
Section C402.5.1.5 is hereby amended
to read as follows:
C402.5.1.5 Building envelope performance verification. The installation of the continuous air barrier shall be verified
by the code official, a registered design
professional or approved agency in accordance
with the following:
1.
A review of the construction documents and other supporting
data shall be conducted to assess compliance with the requirements
in Section C402.5.1.
2.
Inspection of continuous air barrier components and assemblies
shall be conducted during construction while the air barrier is still
accessible for inspection and repair to verify compliance with the
requirements of Section C402.5.1.4.
(d)
Dwelling and sleeping unit enclosure testing.
Section C402.5.2 is hereby deleted in its entirety.
(e)
Building thermal envelope testing.
Section C402.5.3
is hereby deleted in its entirety.
(f)
Operable openings interlocking.
Section C402.5.11 is hereby amended to read as
follows:
C402.5.11 Operable openings interlocking. Where occupancies utilize operable openings to the outdoors that
are larger than 40 square feet (3.7 m2) in area, such openings shall
be interlocked with the heating and cooling system so as to raise
the cooling setpoint to 90°F (32°C) and lower the heating
setpoint to 55°F (13°C) whenever the operable opening is open.
The change in heating and cooling setpoints shall occur within 10
minutes of opening the operable opening.
Exceptions:
1.
Separately zoned areas associated with the preparation of food
that contain appliances that contribute to the HVAC loads of a restaurant
or similar type of occupancy.
2.
Warehouses that utilize overhead doors for the function of the
occupancy, where approved by the code official.
3.
The first entrance doors where located in the exterior wall
and are part of a vestibule system.
4.
The building does not have a building management system.
(g)
Fault detection and diagnostics.
Section C403.2.3
is hereby deleted in its entirety.
(h)
Deadband.
Section
C403.4.1.2 is hereby amended to read as follows:
C403.4.1.2 Deadband. Where used to control
both heating and cooling, zone thermostatic controls
shall be configured to provide a temperature range or deadband of
at least 2°F (1.1°C) within which the supply of heating and
cooling energy to the zone is shut off or reduced
to a minimum.
Exceptions:
(i)
Heated or cooled vestibules.
Section C403.4.1.4
is hereby deleted in its entirety.
(j)
Economizers.
Section C403.5 is hereby amended
to read as follows:
C403.5 Economizers. If a cooling system
includes either an air or water economizer it shall comply with Sections
C403.5.1 through C403.5.4.
Table C403.5(1) and Table C403.5(2) are hereby deleted in their
entirety.
(k)
Economizer fault detection and diagnostics.
Section
C403.5.5 is hereby deleted in its entirety.
(l)
Demand control ventilation.
Section C403.7.1 is hereby amended to read as follows:
C403.7.1 Demand control ventilation. Demand control ventilation
(DCV) shall be provided for all single-zone systems required to comply
with Sections C403.5 through C403.5.3 and spaces larger than 500 square
feet (46.5 m2) and with an average occupant
load of 25 people or greater per 1,000 square feet (93 m2) of floor area, as established in Table 403.3.1.1
of the International Mechanical Code, and served by systems with one
or more of the following:
1.
An air-side economizer.
2.
Automatic modulating control of the outdoor air damper.
3.
A design outdoor airflow greater than 3,000 cfm (1416 L/s).
Exceptions:
|
1.
|
Systems with energy recovery complying with Section C403.7.4.2.
|
|
2.
|
Multiple-zone systems without direct digital control of individual
zones communicating with a central control panel.
|
|
3.
|
Multiple-zone systems with a design outdoor airflow less than
1,200 cfm (566 L/s).
|
|
4.
|
Spaces where more than 75 percent of the space design outdoor
airflow is required for makeup air that is exhausted from the space
or transfer air that is required for makeup air that is exhausted
from other spaces.
|
|
5.
|
Spaces with one of the following occupancy classifications as
defined in Table 403.3.1.1 of the International Mechanical
Code: correctional cells, education laboratories, barber,
beauty and nail salons, and bowling alley seating areas.
|
(m)
Ventilation air heating control.
Section C403.7.3
is hereby deleted in its entirety.
(n)
Operable opening interlocking controls.
Section
C403.14 is hereby amended to read as follows:
C403.14 Operable opening interlocking controls. The heating and cooling systems shall have controls that will interlock
these mechanical systems to the set temperatures of 90°F (32°C)
for cooling and 55°F (12.7°C) for heating when the conditions
of Section C402.5.8 exist. The controls shall configure to shut off
the systems entirely when the outdoor temperatures are below 90°F
(32°C) or above 55°F (12.7°C), unless the building does
not have a building management system.
(o)
Maximum allowable pipe length method.
Section C404.5.1 is hereby amended to read as follows:
C404.5.1 Maximum allowable pipe length method. The maximum allowable piping length from the nearest source of heated
water to the termination of the fixture supply pipe shall be in accordance
with the following. Where the piping contains more than one size of
pipe, the largest size of pipe within the piping shall be used for
determining the maximum allowable length of the piping in Table C404.5.1.
1.
For a public lavatory faucet, use the "Public lavatory faucets"
column in Table C404.5.1.
2.
For all other plumbing fixtures and plumbing appliances, use
the "Other fixtures and appliances" column in Table C404.5.1.
|
Table C404.5.1 Piping Volume and Maximum Piping Lengths
| |||
|---|---|---|---|
|
Nominal Pipe Size
(inches)
|
Volume
(liquid ounces per foot length)
|
Maximum Piping Length
(feet)
| |
|
Public lavatory faucets
|
Other fixtures and appliances
| ||
|
1/4
|
0.33
|
10
|
50
|
|
5/16
|
0.5
|
10
|
50
|
|
3/8
|
0.75
|
10
|
50
|
|
1/2
|
1.5
|
10
|
43
|
|
5/8
|
2
|
10
|
32
|
|
3/4
|
3
|
10
|
21
|
|
7/8
|
4
|
10
|
16
|
|
1
|
5
|
10
|
13
|
|
1-1/4
|
8
|
8
|
8
|
|
1-1/2
|
11
|
6
|
6
|
|
2 or larger
|
18
|
4
|
4
|
|
Note:
|
|---|
|
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 liquid ounce
= 0.030 L, 1 gallon = 128 ounces.
|
(p)
Maximum allowable pipe volume method.
Section
C404.5.2 is hereby deleted in its entirety.
(q)
Circulation systems.
Section C404.6.1 is hereby
amended to read as follows:
C404.6.1 Circulation systems. Heated-water
circulation systems shall be provided with a circulation pump. The
system return pipe shall be a dedicated return pipe or a cold water
supply pipe. Gravity and thermo-syphon circulation systems shall be
prohibited. Circulation pump shall be controlled by a seven-day time
clock, aqua stat, or a combination of both devices.
(r)
Lighting controls.
Section C405.2 is hereby amended
to read as follows:
C405.2 Lighting controls. Lighting systems
shall be provided with controls that comply with one of the following:
|
1.
|
Lighting controls as specified in Sections C405.2.1 through
C405.2.7.
| |
|
2.
|
Luminaire level lighting controls (LLLC) and lighting controls
as specified in Sections C405.2.1, C405.2.5 and C405.2.6. The LLLC
luminaire shall be independently capable of:
| |
|
2.1
|
Monitoring occupant activity to brighten or dim lighting when
occupied or unoccupied, respectively.
| |
|
2.2
|
Monitoring ambient light, both electric light and daylight,
and brighten or dim artificial light to maintain desired light level.
| |
|
2.3
|
For each control strategy, configuration and reconfiguration
of performance parameters including; bright and dim setpoints, timeouts,
dimming fade rates, sensor sensitivity adjustments, and wireless zoning
configurations.
| |
Exceptions: Lighting controls are not required for the
following:
|
1.
|
Areas designated as security or emergency areas that are required
to be continuously lighted.
|
|
2.
|
Interior exit stairways, interior exit ramps and exit passageways.
|
|
3.
|
Emergency egress lighting that is normally off.
|
|
4.
|
Areas deemed by owner/operator to be a potential health, safety
or security issue
|
(s)
Occupant sensor control function in warehouse storage areas.
Section C405.2.1.2 is hereby deleted in its entirety.
(t)
Occupant sensor control function in open plan office areas.
Section C405.2.1.3 is hereby deleted in its entirety.
(u)
Occupant sensor control function in corridors.
Section C405.2.1.4 is hereby deleted in its entirety.
(v)
Daylight-responsive controls.
Section C405.2.4 is hereby amended to read as follows:
C405.2.4 Daylight-responsive controls. Daylight-responsive controls complying with Section
C405.2.4.1 shall be provided to control the general lighting within daylight zones in the following spaces:
1.
Spaces with a total of more than 150 watts of general
lighting within sidelit daylight zones complying with Section
C405.2.4.2.
2.
Spaces with a total of more than 150 watts of general
lighting within toplit daylight zones complying with Section
C405.2.4.3.
Exceptions: Daylight responsive controls are not required for
the following:
|
1.
|
Spaces in health care facilities where patient care is directly
provided.
|
|
2.
|
Sidelit daylight zones on the first floor above grade in Group
A-2 and Group M occupancies.
|
|
3,
|
New buildings where the total connected lighting power calculated
in accordance with Section C405.3.1 is not greater than the adjusted
interior lighting power allowance (LPAadj)
calculated in accordance with Equation 4-9.
|
|
LPAadj = [LPAnormx (1.0 —
0.4 x UDZFA/TBFA)] (Equation 4-9)
| |
|
LPAadj = Adjusted building
interior lighting power allowance in watts.
| |
|
LPAnorm = Normal building
lighting power allowance in watts calculated in accordance with Section
C405.3.2 and reduced in accordance with Section C406.3 where Option
2 of Section C406.1 is used to comply with the requirements of Section
C406.
| |
|
UDZFA = Uncontrolled daylight zone floor area is the sum of
all sidelit and toplit zones, calculated in accordance with Section
C405.2.4.2 and C405.2.4.3, that do not have daylight responsive controls.
| |
|
TBFA = Total building floor area is the sum of all floor areas
included in the lighting power allowance calculation in Section C405.3.2.
|
(w)
Daylight-responsive control function.
Section C405.2.4.1 is hereby amended to read as
follows:
C405.2.4.1 Daylight-responsive control function. Where required, daylight-responsive controls shall
be provided within each space for control of lights in that space
and shall comply with all of the following:
1.
Lights in toplit daylight zones in accordance
with Section C405.2.4.3 shall be controlled independently of lights
in sidelit daylight zones in accordance with Section C405.2.4.2.
2.
Daylight responsive controls within each space
shall be configured so that they can be calibrated from within that
space by authorized personnel.
3.
Calibration mechanisms shall be in a location with ready
access.
4.
Daylight responsive controls shall dim lights
continuously from full light output to 15 percent of full light output
or lower.
5.
Daylight responsive controls shall be configured
to completely shut off all controlled lights.
6.
When occupant sensor controls have reduced the lighting power
to an unoccupied setpoint in accordance with Sections C405.2.1.2 through
C405.2.1.4, daylight responsive controls shall continue to adjust
electric light levels in response to available daylight, but shall
be configured to not increase the lighting power above the specified
unoccupied setpoint.
7.
Lights in sidelit daylight zones in accordance
with Section C405.2.4.2 facing different cardinal orientations [within
45 degrees (0.79 rad) of due north, east, south, west] shall be controlled
independently of each other.
Exceptions:
|
1.
|
Within each space, up to 150 watts of lighting within the sidelit
daylight zone is permitted to be controlled together with lighting
in a sidelit daylight zone facing a different cardinal orientation.
|
(x)
Sidelit daylight zone.
Section C405.2.4.2 is hereby amended to read as follows:
C405.2.4.2 Sidelit daylight zone. The
sidelit daylight zone is the floor area adjacent to vertical fenestration that complies with all of the following:
1.
Where the fenestration is located in a wall, the sidelit daylight
zone shall extend laterally to the nearest full-height wall, or up
to 1.0 times the height from the floor to the top of the fenestration,
and longitudinally from the edge of the fenestration to the nearest
full-height wall, or up to 0.5 times the height from the floor to
the top of the fenestration, whichever is less, as indicated in Figure
C405.2.4.2(1).
2.
Where the fenestration is located in a rooftop monitor, the
sidelit daylight zone shall extend laterally to the nearest obstruction
that is taller than 0.7 times the ceiling height, or up to 1.0 times
the height from the floor to the bottom of the fenestration, whichever
is less, and longitudinally from the edge of the fenestration to the
nearest obstruction that is taller than 0.7 times the ceiling height,
or up to 0.25 times the height from the floor to the bottom of the
fenestration, whichever is less, as indicated in Figures C405.2.4.2(2)
and C405.2.4.2(3).
3.
The area of the fenestration is not less than 24 square feet
(2.23 m2).
4.
The distance from the fenestration to any building or geological
formation that would block access to daylight is greater than one-half
of the height from the bottom of the fenestration to the top of the
building or geologic formation.
5.
The visible transmittance of the fenestration is not less than
0.20.
6.
The projection factor (determined in accordance with Equation
4-5) for any overhanging projection that is shading the fenestration
is not greater than 1.0 for fenestration oriented 45 degrees or less
from true north and not greater than 1.5 for all other orientations.
(y)
Building facade and landscape lighting.
Section
C405.2.7.2 is hereby deleted in its entirety.
(z)
Parking garage lighting control.
Section C405.2.8
is hereby deleted in its entirety.
(aa)
Automatic receptacle control.
Sections C405.11-405.11.1
is hereby deleted in their entirety.
(bb)
Energy monitoring.
Sections C405.12—C405.12.5
is hereby deleted in their entirety.
(cc)
Mechanical systems and service water-heating systems commissioning
and completion requirements.
Section C408.2 is hereby
amended to read as follows:
C408.2 Mechanical systems and service water-heating
systems commissioning and completion requirements. Prior
to the final mechanical and plumbing inspections, the completion of
the systems adjusting and balancing shall be completed with the provisions
of this section.
(dd)
Commissioning plan.
Section C408.2.1 is hereby
deleted in its entirety.
(ee)
Preliminary commissioning report.
Section C408.2.4
is hereby deleted in its entirety.
(ff)
Acceptance of report.
Section C408.2.4.1 is hereby
deleted in its entirety.
(gg)
Copy of report.
Section C408.2.4.2 is hereby deleted
in its entirety.
(hh)
Functional testing.
Section C408.3.1 is hereby
amended to read as follows:
C408.3.1 Functional testing. Prior to
passing final inspection, provide evidence that the lighting control
systems have been tested to ensure that control hardware and software
are calibrated, adjusted, programmed and in proper working condition
in accordance with the construction documents and
manufacturer's instructions. Functional testing shall be in accordance
with Sections C408.3.1.1 and C408.3.1.2 for the applicable control
type.
(Ordinance 2011-O0107, sec. 1, adopted 11/3/2011; Ordinance 2020-O0019 adopted 2/11/2020; Ordinance 2024-O0031 adopted 3/26/2024)
(a)
Above code programs.
Section R102.1.1 is hereby
amended to read as follows:
R102.1.1 Above code programs. The code official or other authority having jurisdiction shall
be permitted to deem a national, state or local energy-efficiency
program to exceed the energy efficiency required by this code. Buildings approved in writing by such an energy-efficiency
program shall be considered in compliance with this code.
(b)
Information on construction documents.
Section
R103.2 is hereby deleted in its entirety.
(c)
Interior design conditions.
Section R302.1 is
hereby deleted in its entirety.
(d)
Application.
Section R401.2 is hereby amended
to read as follows:
R401.2 Application. Residential buildings
shall comply with either Sections R401.2.1, R401.2.2, R401.2.3 or
R401.2.4.
Exception: Additions, alternations, repairs and changes of occupancy
to existing buildings complying with Chapter 5.
(e)
Additional energy efficiency.
Section R401.2.5
is hereby deleted in its entirety.
(f)
Maximum Assembly U-Factors and Fenestration Requirements.
Table 402.1.2 is amended to read
as follows:
|
Table R402.1.2
| |
|---|---|
|
Maximum Assembly U-Factorsa
and Fenestration Requirements
for Climate Zone 3
| |
|
Fenestration U-Factor
|
0.30
|
|
Skylight U-Factor
|
0.55
|
|
Glazed Fenestration SHGCd
|
0.25
|
|
Ceiling U-Factor
|
0.026
|
|
Wood Frame Wall U-Factor
|
0.084
|
|
Mass Wall U-Factorb
|
0.098
|
|
Floor U-Factor
|
0.047
|
|
Basement Wall U-Factor
|
0.360
|
|
Crawl Space Wall U-Factor
|
0.136
|
|
Notes:
| |
|---|---|
|
a.
|
Nonfenestration U-factors shall be obtained from measurement,
calculation or an approved source.
|
|
b.
|
Mass walls shall be in accordance with Section R402.2.5. Where
more than half the insulation is on the interior, the mass wall U-factors
shall not exceed 0.12 in Climate Zone 3.
|
|
c.
|
In Warm Humid locations as defined by Figure R301.1 and Table
R301.1, the basement wall U-factor shall not exceed 0.360.
|
|
d.
|
The SHGC column applies to all glazed fenestration.
|
|
Exception: In Climate Zones 0 through 3, skylights shall be
permitted to be excluded fenestration SHGC requirements provided that
the SHGC for such skylights does not exceed 0.30.
| |
(g)
Insulation Minimum R-Values and Fenestration Requirements by
Component.
Table R402.1.3 is hereby amended to read as
follows:
|
Table R402.1.3
| |
|---|---|
|
Insulation Minimum R-Values and Fenestration Requirements by
Componenta For Climate Zone 3
| |
|
Fenestration U-Factorb,i
|
0.30j
|
|
Skylightb U-Factor
|
0.55
|
|
Glazed Fenesration SHGCb,e
|
0.25
|
|
Ceiling R-Value
|
38
|
|
Wood Frame Wall R-Value
|
13
|
|
Mass Wall R-Valuei
|
8/13
|
|
Floor R-Value
|
19
|
|
Basementc,g Wall R-Value
|
0
|
|
Slabd R-Value & Depth
|
0
|
|
Crawl Spacec Wall R-Value
|
5ci or 13f
|
|
Notes:
| ||
|---|---|---|
|
a.
|
R-values are minimums. U-factors and SHGC are maximums. Where
insulation is installed in a cavity that is less than the label or
design thickness of the insulation R-value of the insulation shall
be not less than the R-value specified in the table.
| |
|
b.
|
The fenestration U-factor column excludes skylights. The SHGC
column applies to all glazed fenestration.
In Climate Zones 0 through 3, skylights shall be permitted to
be excluded from glazed fenestration SHGC requirements provided that
the SHGC for such skylights does not exceed 0.30.
| |
|
c.
|
"5ci or 13"means R-5 continuous insulation (ci) on the interior
or exterior surface of the wall or R-13 cavity insulation on the interior
side of the wall.
| |
|
d.
|
R-5 insulation shall be provided under the full slab area of
a heated slab in addition to the required slab edge insulation R-value
for slabs as indicated in the table. The slab-edge insulation for
heated slabs shall not be required to extend below the slab.
| |
|
e.
|
There are no SHGC requirements in the Marine Zone.
| |
|
f.
|
Basement wall instructions is not required in Warm Humid locations
as defined by Figure R301.1 and Table R301.1
| |
|
g.
|
The first value is cavity insulation; the second value is continuous
insulation.
| |
|
h.
|
Mass walls shall be in accordance with Section R402.2.5. The
second R-value applies where more than half of the insulation is on
the interior of the mass wall.
| |
|
i.
|
A maximum U-factor of 0.32 shall apply in Climate Zones 3 through
8 to vertical fenestration products installed in buildings located
either:
| |
|
1.
|
Above 4,000 feet in elevation, or
| |
|
2.
|
In windborne debris regions where protection of openings is
required by Section R301.2.1.2 of the International Residential
Code.
| |
|
j.
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For impact rated fenestration complying with Section R301.2.1.2
of the International Residential Code or Section 1609.1.2 of the International
Building Code, the maximum U-factor shall be 0.75 in Zone 2 and 0.65
in Zone 3.
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(h)
Air leakage.
Section R402.4 is hereby amended
to read as follows:
R402.4 Air leakage. The building
thermal envelope shall be constructed to limit air leakage
in accordance with the requirements of Sections R402.4.1 through R402.4.4.
(i)
Testing.
Section R402.4.1.2 is hereby deleted
in its entirety.
(j)
Rooms containing fuel-burning appliances.
Section
R402.4.4 is hereby deleted in its entirety.
(k)
Ducts located outside conditioned space.
Section
R403.3.1 on or before 7/1/2024 is hereby amended to read as follows:
R403.3.1 Ducts located outside conditioned space. Supply and return ducts in attics shall be insulated to a minimum
of R-6. Supply and return ducts in other portions of the building
shall be insulated to a minimum of R-6.
(l)
Duct testing.
Section R403.3.5 is hereby deleted
in its entirety.
(m)
Duct leakage.
Section R403.3.6 is hereby deleted
in its entirety.
(n)
Circulation systems.
Section R403.5.1.1 is hereby
amended to read as follows:
R403.5.1.1 Circulation systems. Heated
water circulation systems shall be provided with a circulation pump.
The system return pipe shall be a dedicated return pipe or a cold
water supply pipe. Gravity and thermosyphon circulation systems shall
be prohibited. Circulation pump shall be controlled by a seven-day
time clock, aqua stat, or a combination of both devices.
(o)
Testing.
Section R403.6.3 is hereby deleted in
its entirety.
(p)
Covers.
Section R403.10.3 is hereby deleted in
its entirety.
(q)
Lighting equipment.
Section R404.1 is hereby amended
to read as follows:
R404.1 Lighting equipment. Not less than
90 percent of the permanently installed lighting fixtures, excluding
kitchen appliance lighting fixtures, shall contain only high-efficacy
lighting sources.
(r)
Exterior lighting.
Section R404.1.1 is hereby
deleted in its entirety.
(s)
Interior lighting controls.
Section R404.2 is
hereby deleted in its entirety.
(t)
Exterior lighting controls.
Section R404.3 is
hereby deleted in its entirety.
(u)
Additional Efficiency Package Options.
Section
R408 is hereby deleted in its entirety.
(Ordinance 2020-O0019 adopted 2/11/2020; Ordinance
2024-O0031 adopted 3/26/2024)
