Identity Theft???
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The fact remains that the Division of
Safety & Buildings has not lost its
“IDENTITY” as a Regulatory Agency
which believes in “Education First,
and Enforcement Second”
Contrary to what some people say,
“Code’s Don’t Cost Money….
They Save Money….”
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2009 International Existing Building
Code With Wisconsin Amendments
Training As Developed by
Randy Dahmen, WI PE
John Spalding, WI Architect
WI Dept. of Commerce,
Safety & Buildings Division,
Madison, WI & LaCrosse, WI
Web Site:
COMMERCE.WI.GOV/SB
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Additions, Alterations & Renovations
Comm 66.0300 (Ch. 3 Not adopted), 66.0607, IEBC 711, &
808
Additions, alterations renovations or
repairs--Such actions in an existing building,
building system or portion shall conform to the
provisions of the IECC as they relate to new
construction without requiring the unaltered
portions of the existing building or building
system to comply with this code. Such actions
are not allowed to create an unsafe or
hazardous condition or overload existing
building systems. Exceptions--ICC Codes w/WI Amendments
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Change in Occupancy
International Existing Building Code (IEBC)
Comm 66.0901(2) Buildings undergoing a
change in occupancy that would result in
the increase in demand of for either fossil
fuel or electrical energy shall comply with
IECC
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2009 International Building Code With
Wisconsin Amendments
Training As Developed by
Randy Dahmen, WI PE
John Spalding, WI Architect
WI Dept. of Commerce,
Safety & Buildings Division,
Madison, WI & LaCrosse, WI
Web Site:
COMMERCE.WI.GOV/SB
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Frost-Protected Shallow Foundations
IBC/Comm 62.1809
Where design is relied upon for a heated or
semi-heated structure, permanent, legible
notices shall be posted near the thermostats of
all building heating appliances that indicate the
following:
This is a frost-protected shallow foundation
design
The minimum monthly average temperature
the structure is to be maintained to avoid
frost damage to the foundation
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2009 International Energy Conservation
Code With Wisconsin Amendments
Training As Developed by
Randy Dahmen, WI PE
John Spalding, WI Architect
WI Dept. of Commerce,
Safety & Buildings Division,
Madison, WI & LaCrosse, WI
Web Site:
COMMERCE.STATE.WI.US/SB
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Vapor Retarder Requirements
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Misc. Requirements
IBC 1405.3 (Note New Location in ICC)
Vapor Retarders
Class I & II vapor retarders shall be provided
on the interior side of framed walls.
Exceptions:
Framed walls
Below grade portion of any wall
Construction where moisture or its freezing will
not damage the materials
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IECC Offers Multiple Building Envelope
Compliance Options For:
Ch. 4 Low Rise Residential Buildings
(< 3 stories) (Non-Transient--Do NOT
use with for Hotels, Motels, etc.)
Ch. 5 Commercial (Any Height) and High
Rise Residential Buildings (> 4 Stories)
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Insulation & Fenestration
Requirements by Climate Zone
Table 402.1.1
Insulation and Fenestration Requirements by Componenta
b
CLIMATE FENESTRATION SKYLIGHT
b
ZONE
U-FACTOR
U-FACTOR
1
2
3
4 except
Marine
5 and
Marine 4
6
7 and 8
GLAZED
b,e
FENESTRATION
SHGC
CEILING
WOOD
R-VALUE FRAME WALL
R-VALUE
MASS
WALL
i
R-VALUE
FLOOR
RVALUE
BASEMENT
WALL
R-VALUE
c
d
SLAB
R-VALUE
& DEPTH
CRAWL
c
SPACE
WALL
R-VALUE
1.20
0.65j
0.50j
0.35
0.75
0.75
0.65
0.60
0.30
0.30
0.30
NR
30
30
30
38
13
13
13
13
3/4
4/6
5/8
5 / 10
13
13
19
19
0
0
5 / 13f
10 / 13
0
0
0
10, 2ft
0
0
5 / 13
10 / 13
0.35
0.60
NR
38
20 or 13+5h
13 / 17
30g
10 / 13
10, 2 ft
10 / 13
0.35
0.35
0.60
0.60
NR
NR
49
49
19 or 13+5h
21
15 / 19
19 / 21
30g
38g
15 / 19
15 / 19
10, 4 ft
10, 4 ft
10 / 13
10 / 13
a.
R-values are minimums, U-factors and SHGC are maximums, R-19 batts compressed into a nominal 2 x 6 framing cavity such that the R-value is reduced by R-1 or more shall
be marked with the compressed batt R-value in addition to the full thickness R-value.
b. The fenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration.
c. “15/19” means R-15 continuous insulated sheathing on the interior or exterior of the home or R-19 cavity insulation at the interior of the basement wall. “15/19” shall be
permitted to be met with R-13 cavity insulation on the interior of the basement wall plus R-5 continuous insulated sheathing on the interior or exterior of the home. “10/13”
means R-10 continuous insulated sheathing on the interior or exterior of the home or R-13 cavity insulation at the interior of the basement wall.
d. R-5 shall be added to the required slab edge R-values for heated slabs. Insulation depth shall be the depth of the footing or 2 feet, whichever is less in Zones 1 through 3 for
heated slabs.
e. There are no SHGC requirements in the Marine Zone.
f. Basement wall insulation is not required in warm-humid locations as defined by Figure 301.1 and Table 301.1.
g. Or insulation sufficient to fill the framing cavity, R-19 minimum.
h. “13+5” means R-13 cavity insulation plus R-5 insulated sheathing. If structural sheathing covers 25 percent or less of the exterior, insulating sheathing is not required where
structural sheathing is used. If structural sheathing covers more than 25 percent of exterior, structural sheathing shall be supplemented with insulated sheathing of at least R-2.
i. The second R-value applies when more than half the insulation is on the interior of the mass wall.
j. For impact rated fenestration complying with Section R301.2.1.2 of the IRC or Section 1608.1.2 of the IBC, maximum U-factor shall be 0.75 in Zone 2 and 0.65 in Zone 3.
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Air Sealing and Insulation
IECC 402.4.2
2 options to demonstrate compliance
When tested air leakage is < 7 ACH when
tested with a blower door at pressure of 33.5
psf
(Section 402.4.2.1)
Testing after rough in and installation of building
envelope penetrations
When items listed in Table 402.4.2,
applicable to the method of construction, are
field verified (Section 402.4.2.2)
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Fireplaces
IECC 402.4.3
New wood-burning fireplaces shall have
gasketed doors & outdoor combustion air.
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Programmable Thermostat Controls
IECC 403.1.1
Mandatory Requirements
If primary heating system is a forced-air furnace
At least one programmable thermostat/dwelling
unit
Capability to set back or temporarily operate
the system to maintain zone temperatures
down to 55ºF (13ºC) or
up to 85ºF (29ºC)
Initially programmed with:
heating temperature set point no higher
than 70ºF (21ºC) and
cooling temperature set point no lower than
78ºF (26ºC)ICC Codes w/WI Amendments
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Ducts Insulation & Sealing
IECC 403.2.1 & 403.2.2
Mandatory Requirements
Insulation (Prescriptive)
Ducts outside the building
envelope: R-8
All other ducts: R-6
Sealing (Mandatory)
Joints & seams shall comply with IRC,
Section M1601.4.1
Building framing cavities shall not be
used as supply ducts
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Duct Tightness Tests
IECC 403.2.2
Duct tightness shall be verified by either Post or
Rough In Tests −
Post construction test
Leakage to outdoors: ≤ 8 cfm/per 100 ft2 of
conditioned floor area OR
Total leakage: ≤ 12 cfm/per 100 ft2 of
conditioned floor area
• tested at a pressure differential of 0.1 in w.g.
(25 Pa) across entire system, including
manufacturer’s air handler enclosure
All register boots taped or otherwise sealed
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Duct Tightness Tests
Rough-in test
Total leakage ≤ 6 cfm/per 100 ft2 of conditioned
floor area
• tested at a pressure differential of 0.1 in w.g.
(25 Pa) across roughed-in system, including
manufacturer’s air handler enclosure
• all register boots taped or otherwise sealed
• if air handler not installed at time of test
–Total air leakage ≤ 4 cfm/per 100 ft2
Exceptions: Duct tightness test is not
required if the air handler and all ducts are
located within conditioned space
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Piping Insulation
IECC 403.3 & 403.4
Mandatory Requirements
Minimum R-3 required on
HVAC systems
Exception: Piping that
conveys fluids between 55 &
105°F
Minimum R-2 required on
All circulating domestic hot
water systems
Systems also require a readily
accessible manual
switch
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Ventilation & Equipment Sizing
IECC 403.5 & 403.6
Mandatory Requirements
Equipment Sizing
IECC references Section M1401.3 of the IRC
Load calculations determine the proper
capacity (size) of equipment
Calculations shall be performed in
accordance with ACCA Manual J OR
other approved methods
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Snow Melt System Controls
IECC 403.8
Mandatory Requirements
Snow- and ice-melting system controls
Shall include
Automatic controls capable of shutting off
the system when the pavement
temperature > 50ºF and no precipitation
is falling; and
Automatic or manual control that will
allow shutoff when the outdoor
temperature is
> 40ºF
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Pool Covers
IECC 403.9/Comm 63.0403
Mandatory Requirements
This section to be amended so that
heated pools do NOT require pool covers.
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Lighting Equipment (Prescriptive)
IECC 404.1
A minimum of 50% of the lamps in permanently
installed lighting fixtures shall be high-efficacy
lamps
Definition of “high-efficacy lamp”
Compact fluorescent lamps T-8 or smaller
diameter linear fluorescent lamps, or lamps
with a minimum efficacy of:
60 lumens/W for lamps > 40 watts,
50 lumens/W for lamps > 15 watts up to 40
watts, and
40 lumens/W for lamps < 15 watts or less.
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Simulated Performance
Alternative Comm 63.0405
Wisconsin Accepts use of REScheck when
set for “2006 IECC” (use “2009 IECC”
when the 2009 ICC codes are
implemented)
Does NOT include both envelope and
equipment for trade-offs.
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Ch. 4 Posting of Certificate
IECC/Comm 63.0401
Permanent Certificate to be posted
To be posted on or in the electrical
distribution panel
To be completed by builder or registered
design professional
To list predominant R-values of insulation in
or on ceiling/roof, walls, foundation (slab
basement wall, crawlspace wall and/or floor),
Fenestration U-factors & solar heat gain
coefficients; HVAC equipment efficiencies.
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Ch. 4 Posting of Certificate
IECC/Comm 63.0401
Don’t cover or obstruct the visibility of
other required labels
Certificate lists electric furnace, or
baseboard electric heater that is installed
No efficiency listed for the above systems
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What are My Building Envelope
Options for Complying with the IECC?
 Section 502 of the IECC (Prescriptive Approach)
Use for < 40% of gross wall area in vertical fenestration
Use for < 3% of gross roof area in skylights
 COMcheck Computer Program (per Comm 63.0506)
 Section 506 Total Building Performance Approach
 ASHRAE/IESNA Standard 90.1-2007
Section 501.2 “Application” requires 90.1 to be used in its
ENTIRETY (Envelope, Lighting, Mechanical) if used as an
alternate compliance path
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Zone 7
1
2
4
3
5
7
6
8
Zone 6
9
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o
11
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Changes to IECC Tables
502.1.2 & 502.2(1)
Table now separated by occupancy
type
Non-Group R occupancies use “All
other” column
Group R occupancies use “Group R”
column
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Compliance with Chapter 5
Prescriptive Approach
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Slab-on-Grade Floors
IECC 502.2.6
Climate Zone 6
All Other Unheated min. R-10 for 24”
All Other Heated min R-15 for 24”
Residential Unheated min. R-15 for 24”
Residential Heated min. R-20 for 48”
Climate Zone 7
All Other Unheated min. R-15 for 24”
All Other Heated min. R-20 for 24”
Residential Unheated min. R-15 for 24”
Residential
Heated min. R-20 for 48”
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ASHRAE Fundamental Data
Comm 63.0303
Information on thermal properties,
performance of building envelope
sections, and components and heat
transfer shall be obtained from ASHRAE
Handbook of Fundamentals.
Exception:
Laboratory Testing results
See Comm 63.0303 for acceptable test
methods
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Hot Gas Bypass
(Common in Large Computer Rooms)
IECC 502.4.4
 Cooling systems can’t use
Hot Gas Bypass unless
system designed w/
Rated
Capacity
Maximum Hot
Gas Bypass
Capacity
(% of total
capacity)
≤ 240,000
Btu/h
50%
> 240,000
Btu/h
25%
Multiple steps of
unloading; OR
Continuous capacity
modulation
 Capacity limited per
Table 502.4.4
Exception: Unitary
packaged systems w/
cooling capacities <
90,000 Btu/h
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Ch. 5 Commercial Bldgs (Any Height)
& High Rise Residential Buildings
(> 4 Stories) IECC 501 & Comm 63.0501
ASHRAE 90.1-2007 may be used in its
entirety in place of the 2009 IECC
requirements for satisfying ALL of the
following topics:
IECC
IECC
IECC
IECC
502
503
504
505
Building Envelope
Building Mechanical Systems
Service Water Heating
Lighting
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Ch. 5 Commercial Bldgs (Any Height)
& High Rise Residential Buildings
(> 4 Stories) IECC 501 & Comm 63.0501
Designer’s may NOT mix & match—ie.
Lighting & Building Envelope requirements
from ASHRAE, with Bldg Mechanical
Systems & Service Water Heating from
IECC. The design must be COMPLETELY
based on either the IECC or ASHRAE for
ALL topics referenced.
Dept. review will default to IECC, unless
designer indicates otherwise on plans.
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Demand Controlled Ventilation
IECC 503.2.5.1
 Demand Control Ventilation is req’d for spaces >500 sf
and with an avg. occupant load of 40 per1,000 sf of
floor area and served by systems w/one or more of the
following:
An air-side economizer;
Automatic modulating control of the outdoor air
damper
A design outdoor airflow < 3,000 cfm (Exceptions)
Spaces where the supply airflow rate minus any
makeup or outgoing transfer air req’t is less than
1,200 cfm
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Demand Controlled Ventilation
IECC 503.2.5.1
 Sequencing & all associated controls shall be explicitly
addressed on the HVAC plan set.
 Acceptable:
The HVAC system shall operate & distribute outdoor air
at acceptable levels (as justified by the designer and
determined acceptable by the Dept.), when the space is
occupied, immaterial if the CO2 sensor has met its
operational set-point (to be clearly defined on the
plans). Sensor to activate additional outdoor air over
baseline
Exceptions: Natural ventilation or other listed code
exception
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Demand Controlled Ventilation
IECC 503.2.5.1
Acceptable:
Plans indicate that the HVAC system will
distribute outdoor air when the room or space
is occupied. The content of CO2 is to be
compared between the relief air and the
outdoor air. If the difference, as measured in
ppm’s, exceeds the predefined set-point as
justified to the Dept. and found acceptable,
additional outdoor air is to be distributed.
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Demand Controlled Ventilation
IECC 503.2.5.1
Unacceptable:
Plans indicate that the HVAC system
will ONLY distribute outdoor air when a
pre-defined CO2 set-point is met.
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Piping Insulation
IECC 503.2.8
All piping serving heating or cooling system
must be insulated in accordance with
Table 503.2.8 shown below. Exceptions
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(R-5.5)
(R-11.1)
(R-5.5)
(R-7.4)
(R-5.5)
(R-5.5)
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Snow Melt System Controls
IECC 403.8, 503.2.10
Applicable to snow- and ice-melting systems
supplied with energy service through the
bldg.
Require automatic controls capable of
shutting off the system when the pavement
temperature is > 50oF and no precipitation is
falling and automatic or manual control that
will allow shutoff when the outdoor
temperature is above 40oF when the the
potential for snow or ice is negligible.
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Heating Outside a Building
IECC 503.2.11
Systems providing heat outside
a building shall be radiant
systems.
Systems shall be controlled by
an occupancy sensing device or
timer switch, so that the system
is automatically de-energized
when no occupants are present
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Economizers
IECC/COMM Table 63.0503
Unless a listed exception is met (exception
#1 is not viable), Economizers are required
for:
Split systems & water source heat pumps
> 54,000 Btu/h
Split Systems (furnace & condenser similar to those
found in homes, small businesses)
All other systems > 33,000 Btu/h
Rooftop units, built-up VAV reheat/single fan dual
duct, etc.
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Economizers
IECC 503.3.1/COMM Table 63.0503 &
IECC 501.2/Comm 63.0501
2009
IECC
ALL Mechanical
Building System
Requirements Per
2009 IECC
Economizer Req’ts
IECC 503.3.1/
Comm 63.0503(8)&(9)
1 Exception
ALL Building
System Req’ts
Per ASHRAE 90.12007-- MUST be
indicated on
BOTH Bldg &
HVAC Plans
Economizer Req’ts
IECC 501.2/
Comm 63.0501(2)/
Comm 63.0503(8)&(9)
9 Exceptions
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Economizers
IEBC/COMM 66.0300, 66.0607, 66.0711, 66.0808
IECC/COMM Table 63.0503
“Where a single room or space is supplied
by multiple air systems, the aggregate
capacity of those systems shall be used in
applying the requirement” (ie. for
economizers)
If the room is served by 2 split
furnace/condenser systems, the total
cooling capacity for the aggregate
systems are referenced when determining
when an economizer is required to be
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installed
High Rise Residential Bldgs
IECC 505.1
IECC Chapter 5
Unique requirement for High Rise
Residential Bldgs
> 3 stories above grade, and
> 3 dwellings or more
Lighting within dwelling units where 50%
or more of the permanently installed
interior light fixtures are fitted with high
efficacy lamps.
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IECC Interior Controls
IECC 505.2.2.3 / COMM 63.0505(1)
Daylight Zone control required for
Spaces > 250ft2; and
Spaces with a Lighting Power Density > 0.6W/ft2; &
- Spaces containing 3 or more light fixtures
Daylight Zones to have separate controls
Vertical & horizontal daylight areas separately
switched from general area lighting
Must apply lighting reduction controls as per IECC
sec. 505.2.2.1
Note – controlling all luminaires using daylighting controls
is acceptable.
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IECC Interior Controls
IECC 505.2.2.3
Daylight Zone
Vertical Glazing (windows):
S S
2´
Daylight Zone
Boundary
Daylight Zone
Luminaires
Ceiling Height
Opaque
Partition
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15´
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IECC Interior Controls
IECC 505.2.2.3
Daylight Zone:
Horizontal Glazing (skylights):
10´
10´
10´
Daylight Zone
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IECC Interior Power Req.
IECC Table 505.5.2
Interior Lighting Power Allowances (ILPA)
Footnotes b for Additional Retail Lighting
Calculate Additional lighting power as
follows:
Additional Interior Lighting Power Allowance =
1,000 watts + (Retail Area 1 x 0.6 W/ft2) +
(Retail Area 2 x 0.6 W/ft2) + (Retail Area 3 x 1.4
W/ft2) + (Retail Area 4 x 2.5 W/ft2)
“Use it or Lose it”
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IECC Interior Power Req.
IECC Table 505.5.2
Where:
Retail Area 1 = Floor area for all products not
listed in Retail Areas 2, 3 or 4;
Retail Area 2 = Floor area used for the sale of
vehicles, sporting goods and small electronics;
Retail Area 3 = The floor area used for the sale
of furniture, clothing, cosmetics and artwork;
Retail Area 4 = Floor area used for the sale of
jewelry, crystal and china.
Note: Other merchandise categories are
permitted to be included in Retail Areas 2
through 4 based on justification provided to
the Dept. deemed as reasonable.
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IECC Interior Power Req.
Additional Power Allowance Rules:
Area must be the display area and NOT
the floor area of the space
Must be switched on separate circuits
from that of other general lighting
Must be in addition to general lighting
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IECC Exterior Power Req.
IECC 505.6.1 & 505.6.1
IECC 2009 & ASHRAE 2007 are
equivalent
Applies to lighting powered through the
building service
IECC Exception - low voltage landscape
lighting
All exterior luminaires > 100 W shall
have an efficacy of 60 L/W unless
controlled by a motion sensor (unless it is
exempted)
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IECC Exterior Lighting Zones
IECC Table 505.6.2(1)]
Lighting
Zone
Description
1
Developed areas of national parks, state
parks, forest land, & rural areas
2
Areas predominantly consisting of residential
zoning, neighborhood business districts, light
industrial w/limited nighttime use &
residential mixed use areas
All other areas
3
4
High-activity commercial districts in major
metropolitan areas as designated by the local
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land use planning
IECC Exterior Lighting Zones
Zone 1
Zone 2
Zone 3
Zone 4
500 W
600 W
750 W
1300 W
0.06 W/ft2
0.10 W/ft2
0.13 W/ft2
0.7 W/linear
foot
0.7 W/linear
foot
0.8 W/linear
foot
1.0 W/linear
foot
0.14 W/ft2
0.14 W/ft2
0.16 W/ft2
0.2 W/ft2
0.75 W/ft2
1.0 W/ft2
1.0 W/ft2
1.0 W/ft2
0.2 W/ft2
59 2
0.3 W/ft
Base Site
Allowance
Tradable
Surfaces
Uncovered Parking Areas
Parking areas and
drives
0.04 W/ft
2
Building Grounds
Walkways less than
10 ft wide
Walkways 10 ft wide
or greater
Plaza areas, Special
Feature Areas
Stairways
w/WI
2 Amendments
Pedestrian TunnelsICC Codes
0.15 W/ft
0.15 W/ft2
Zone 1
NonTradable
Surfaces
Zone 2
2
Building Facades
270 W per
location plus
90 W per add’l
ATM per
location
2
2
Zone 4
2
0.1 W/ft for each
illuminated wall or
surface or 2.5
W/linear ft for
each illuminated
wall or surface
length
0.15 W/ft for
each
illuminated wall
or surface or
3.75 W/linear ft
for each
illuminated wall
or surface
length
0.2 W/ft for
each
illuminated wall
or surface or
5.0 W/linear ft
for each
illuminated wall
or surface
length
270 W per
location plus 90 W
per add’l ATM per
location
270 W per
location plus
90 W per add’l
ATM per
location
270 W per
location plus 90
W per add’l
ATM per
location
No allowance
Automated teller
machines & night
depositories
Zone 3
2
Loading areas for
law enforcement,
fire, ambulance &
other emergency
service vehicles
0.5 W/ft of
covered &
uncovered
area
0.5 W/ft of
covered &
uncovered area
0.5 W/ft of
covered &
uncovered
area
0.5 W/ft of
covered &
uncovered area
400 W per
drive-through
400 W per drivethrough
400 W per
drive-through
400 W per
drive-through
800 W per
main entry
800 W per
main entry
60
Drive-up
windows/doors
Parking near 24-hour
retail entrances
2
800 W per
800 W per main
mainCodes
entry w/WI Amendments
entry
ICC
0.75 W/ft of
covered &
uncovered
area
2
0.75 W/ft of
covered &
uncovered
area
2
0.75 W/ft of
covered &
uncovered area
2
Entrances and
gatehouse
inspection stations
at guarded fac.
2
0.75 W/ft of
covered &
uncovered area
2
Zone 1
Tradable
Surfaces
Zone 2
Zone 3
Zone 4
Main entries
20 W/linear
ft of door
width
20 W/linear ft
of door
width
30 W/linear ft
of door
width
30 W/linear ft
of door
width
Other doors
20 W/linear
ft of door
width
20 W/linear ft
of door
width
20 W/linear ft
of door
width
20 W/linear ft
of door
width
0.25 W/ft2
0.25 W/ft2
0.4 W/ft2
0.4 W/ft2
0.6 W/ft2
0.6 W/ft2
0.8 W/ft2
1.0 W/ft2
0.25 W/ft2
0.25 W/ft2
0.5 W/ft2
0.7 W/ft2
Building Entrances and Exits
Entry Canopies
Sales Canopies
Free-standing &
attached
Outdoor Sales
Open areas
(including
vehicle sales
lots)
Street frontage for
vehicle sales lots in
ICC Codes
addition to “open
No w/WI Amendments
61
30 W/
Simulated Performance
Alternative Comm 63.0506
Wisconsin Accepts use of COMcheck when
set for “2006 IECC” (use “2009 IECC”
when the 2009 ICC codes are
implemented)
Does NOT include both envelope and
equipment for trade-offs.
ICC Codes w/WI Amendments
62
2009 International Mechanical With
Wisconsin Amendments
Training As Developed by
Randy Dahmen, WI PE
John Spalding, WI Architect
WI Dept. of Commerce,
Safety & Buildings Division,
Madison, WI & LaCrosse, WI
Web Site:
COMMERCE.WI.GOV/SB
ICC Codes w/WI Amendments
63
Equipment Clearances
IMC 304.6 & 7, IBC 1607.7.3
Public motor vehicle areas-Min. 8 ft
above the floor OR if vehicles are
capable of passing under appliance,
appliance to be installed per
manufacturer and not less 1 ft higher
than tallest vehicle garage door opening;
OR guarded (See IBC for criteria)
Private motor vehicle areas-Min. 6 ft
above the floor or guarded
ICC Codes w/WI Amendments
64
HVAC Equipment Clearances
Public Motor Vehicle Area
IMC 304.6 & 7
SUSPENDED HEATING
EQUIIPMENT
1’ MINIMUM
Protection
required if
clearances
cannot be
met
8’
min.
ICC Codes w/WI Amendments
65
HVAC Equipment Clearance to
Grade
IMC 304.10
Equipment at
grade level to be
supported on a
level concrete slab
or other approved
material >3”
above grade OR
shall be
suspended not
less than >6”
above adjoining
grade.
NOT ACCEPTABLE
ICC Codes w/WI Amendments
66
HVAC on Roofs & Elevated
Structures IMC 306.5
ICC Codes w/WI Amendments
67
Permanent Ladder Requirements
IMC 306.5
Ladders > 30 ft in height to be provided
with offset sections & landings capable of
withstanding 100 lbs /sf. Landing
dimensions shall be not less than 18” &
not less than the width of the ladder
served. A guard rail shall be provided on
all open sides of the landing.
ICC Codes w/WI Amendments
68
Clothes Dryer Exhaust Req’ts
IMC 504.1
Clothes dryers to be exhausted per listing.
Dryer exhaust systems to be independent
of all other systems
Section 504 is not to be applied to listed and
labeled condensing (ductless) clothes dryers.
ICC Codes w/WI Amendments
69
Clothes dryer exhausts &
water heater vent….oh my!!!!!
ICC Codes w/WI Amendments
70
Clothes Dryer Exhaust Req’ts
IMC 504.5
Makeup air
Installations exhausting > 200 cfm to have
makeup air. (one [1] residential clothes
dryer)
Where a closet is designed for installation
of a clothes dryer, an opening having an
area of > 100 sq inches to be provided to
the closet enclosure or make-up air shall
be provided by other approved means.
ICC Codes w/WI Amendments
71
Clothes Dryer Exhaust Req’ts
IMC 504.6.2 & 504.6.3
Duct Installation & Transition Ducts
Exhaust ducts to be supported @ 4 ft
intervals and secured in place.
The insert end of the duct shall extend into
the adjoining duct or fitting in the direction
of airflow
Ducts shall NOT be joined w/ screws or
similar fasteners that protrude into the duct
Transition ducts to be:
listed as having met UL 2158A
a maximum of 8 ft in length
shall not be concealed within construction
ICC Codes w/WI Amendments
72
Clothes Dryer Exhaust Req’ts
IMC 504.6.4
Exhaust Duct
Limited
< 35 ft unless listing
allows for longer
length **
New duct length
reduction table
Cleanouts Req’d for
each Vertical Riser
ICC Codes w/WI Amendments
73
Clothes Dryer Exhaust Req’ts
IMC Table 504.6.4.1 subtract from 35’-DRYER EXHAUST DUCT FITTING
TYPE
4″ radius mitered 45-degree elbow
EQUIVALENT
LENGTH
2 ft 6 in
4″ radius mitered 90-degree elbow
5 ft
6″ radius smooth 45-degree elbow
1 ft
6″ radius smooth 90-degree elbow
1 ft 9 in
8″ radius smooth 45-degree elbow
1 ft
8″ radius smooth 90-degree elbow
1 ft 7 in
10″ radius smooth 45-degree elbow
9 in
10″ radius smooth 90-degree elbow
1 ft 6 in
ICC Codes w/WI Amendments
74
Clothes Dryer Exhaust Req’ts
IMC 504.6.5
Length identification
Where the exhaust duct is concealed
within the building construction, the
equivalent length of the exhaust duct shall
be identified on a permanent lab or tag.
The label or tag shall to be located < 6 ft
of the exhaust duct connection.
ICC Codes w/WI Amendments
75
Clothes Dryer Exhaust Req’ts
IMC 504.6.6
Where space for a clothes dryer is
provided, an exhaust duct system shall be
installed. Where the clothes dryer is not
installed at the time of occupancy, the
exhaust duct shall be capped at the
location of the future dryer.
Exception: where a listed condensing clothes
dryer is installed prior to occupancy of
structure.
ICC Codes w/WI Amendments
76
Clothes Dryer Exhaust Req’ts
IMC 504.6.7
Protective shield plates shall be placed where
nails or screws from finish or other work are
likely to penetrate the clothes dryer exhaust
duct.
Shield plates to be placed on the finished face of
all framing members where there is < 1-1/4”
between the duct and the finished face of the
framing member.
Protective shield plates to be steel w/min.
thickness of 0.062 “ and extend a minimum of
2” above sole plates and below top plates.
ICC Codes w/WI Amendments
77
ICC Codes w/WI Amendments
78
Clothes Dryer Exhaust Req’ts
IMC 504.8
Where a common multistory duct
system is designed and installed to
convey exhaust from multiple clothes
dryers, the construction of the system
shall be in accordance with the
requirements of this section.
ICC Codes w/WI Amendments
79
Clothes Dryer Exhaust Req’ts
IMC 504.8
Make air shall be provided for the exhaust
system
Provide cleanout openings at base of shaft with
min. 12” by 12” dimensions.
Screen shall not be installed at the termination.
ICC Codes w/WI Amendments
80
Clothes Dryer Exhaust Req’ts
IMC 504.8
ICC Codes w/WI Amendments
81
Domestic Kitchen Exhaust
Equipment IMC 505.2
Makeup air required if
capable of exhausting >
400 cfm
Shall be equipped with a
means of closure
Makeup air to be
automatically controlled
to start & operate
simultaneously with the
exhaust system
ICC Codes w/WI Amendments
82
Type I Kitchen Hood/ Exhaust Duct
Reqr’ts IMC 506.3.8, 506.3.9
Horizontal cleanouts must be < 20 Ft apart
Access opening to be > 1.5” above the
bottom of the duct, other options listed
Access door dimensions must be a minimum
of 12”/side, --Exception
Access door to open without need for tools
Personnel entry required if duct dimensions
allows entry of personnel (min. access 22” x
20” with properly sized supports)
ICC Codes w/WI Amendments
83
Type I Kitchen Hood/ Exhaust
Duct Requirements IMC 506.3.8
A cleanout to be provided on inlet &
outlet side of inline fan used with any
commercial kitchen hood.
Cleanouts to be located within 3 ft of the
fan duct connections.
ICC Codes w/WI Amendments
84
Type I Kitchen Exhaust Duct
Req’ts IMC 506.3.10.4
A duct enclosure shall be not be required
for a grease duct that penetrates ONLY a
non-fire-resistance rated roof/ceiling
assembly
*** Remember: IMC 507.9 requires a
minimum clearance of 18” from combustibles.
ICC Codes w/WI Amendments
85
Type I Kitchen Hood Operating
Requirements
IMC 507.2.1.1
Type I hoods to be installed to
AUTOMATICALLY activate the exhaust
fan whenever cooking operations occur
Activation may occur through:
interlock with the cooking appliance,
by means of heat sensors, or
by other approved methods
ICC Codes w/WI Amendments
86
Heat Sensors Installed Inside
Type I Commercial Kitchen Hood
ICC Codes w/WI Amendments
87
Type II Kitchen Exhaust
Terminations IMC 506.4.2
Exhaust outlets to terminate > 3 ft in any
direction from openings into the bldg
Outlets to terminate > 10 ft from property lines or
bldgs on same lot
Outlets to terminate > 10 ft above grade
Outlets to terminate > 30 inches above the roof
surface
Outlets to be protected against weather
conditions
Outlets shall not be directed onto walkways
Outlets to meet the provisions for exterior wall
opening protectives in accordance with the IBC
ICC Codes w/WI Amendments
88
This is a new idea in building make-up
air. The white framework is the base
to a pedestal floor fan.
ICC Codes w/WI Amendments
89
Combustion Air
IMC 701.1
Solid fuel-burning appliances shall be
provided with combustion air in
accordance with the appliance
manufacturer’s installation instructions.
Oil fired appliances shall be provided
w/combustion air per NFPA 31
ICC Codes w/WI Amendments
90
ICC Codes w/WI Amendments
91
Hydronic Piping Testing
IMC 1208
Hydronic Piping Systems (except for ground
source heat pump loop systems) to be tested
hydrostatically at 1-1/2 times the maximum
system design pressure, but not less than 100
psi. Min. duration 15 min.
Ground Source Systems to be pressure
tested w/water @ 100 psi for 30 min w/ no
pressure loss or leaks. If Design vs Actual flow
pressure differs by > 10%, the problem shall be
identified & corrected.
ICC Codes w/WI Amendments
92
Pressurizing During Installation
IMC 1509.2
Piping to be embedded in concrete shall
be pressure tested prior to pouring
concrete. During pouring, the pipe
shall be maintained at the proposed
operating pressure.
ICC Codes w/WI Amendments
93
ICC Codes w/WI Amendments
94
Hydronic Piping Slab/Floor
Insulation Installation
IMC 1209.5
Radiant piping for:
Slab-On-Grade Applications (inclusive of
basement floors) to be provided min. R-5
insulation installed beneath the piping.
Suspended Floor Applications requires joist
bay cavities serving the heating space above to
have a min. R-11 insulation installed.
Thermal break to be provided of asphalt
expansion joint mat’ls or similar at point where a
heated slab meets a foundation wall or conductive
slab
ICC Codes w/WI Amendments
95
ICC Codes w/WI Amendments
96
2009 International Fuel Gas Code With
Wisconsin Amendments
Training As Developed by
Randy Dahmen, WI PE
John Spalding, WI Architect
WI Dept. of Commerce,
Safety & Buildings Division,
Madison, WI & LaCrosse, WI
Web Site:
COMMERCE.WI.GOV/SB
ICC Codes w/WI Amendments
97
Electrical Bonding
IFGC 310.1/Comm 16/NEC 250.104(B)
Above ground portion of a gas piping
system (other than CSST) is to be bonded
to an effective ground-fault current path.
Gas piping, other than CSST, to be
considered to be bonded where it is
connected to appliances that are
connected to the equipment grouping
conductor of the circuit supplying that
appliance.
ICC Codes w/WI Amendments
98
Electrical Bonding (CSST)
IFGC 310.1.1/Comm 16/NEC 250.104(B)
The Dept. requires that the clamp be
used on a hard pipe, and NOT on the
CSST itself.
An licensed electrician is not required
unless the bonding is occurring within
the electrical box, or local rules are
stricter
ICC Codes w/WI Amendments
99
ICC Codes w/WI Amendments
100
Electrical Bonding (CSST)
IFGC 310.1.1/Comm 16/NEC 250.104(B)
Corrugated Stainless Steel Tubing (CSST)
gas piping systems shall be bonded to the
electrical service grounding electrode
system at the point where the gas service
enters the building. The bonding jumper
shall not be smaller than 6 AWG copper
wire or equivalent
ICC Codes w/WI Amendments
101
Plastic Piping Used for Venting
IFGC 503.4.1.1
Plastic pipe & fittings used to vent
appliances to be installed in accordance
with appliance manufacturer’s installation
instructions.
Where a primer is required, the primer
shall be of a contrasting color.
ICC Codes w/WI Amendments
102
Gas Cooking Appliances
IFGC 623
Open-top broiler units hoods to have a min.
clearance of 24” to be maintained between
the cooking top and combustible material
above the hood, such as cabinets.
A minimum clearance of 30” is required
above other household cooking appliances.
Req’t reduced to 24” where 1 of 3 listed
exceptions are met.
ICC Codes w/WI Amendments
103
Questions?????
ICC Codes w/WI Amendments
104