ICC Codes w/WI Amendments1 Identity Theft???. ICC Codes w/WI Amendments2.

ICC Codes w/WI Amendments 1

Identity Theft???


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….”


2009 International Existing Building Code With Wisconsin Amendments

Training As Developed byRandy Dahmen, WI PE

John Spalding, WI Architect WI Dept. of Commerce,

Safety & Buildings Division, Madison, WI & LaCrosse, WI

Web Site:COMMERCE.WI.GOV/SB


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---


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


2009 International Building Code With Wisconsin Amendments






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


2009 International Energy Conservation Code With Wisconsin Amendments

Training As Developed by Randy Dahmen, WI PE



Web Site:COMMERCE.STATE.WI.US/SB


Vapor Retarder Requirements


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 wallsBelow grade portion of any wallConstruction where moisture or its freezing

will not damage the materials


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)


Insulation & Fenestration Requirements by Climate Zone

Table 402.1.1Insulation and Fenestration Requirements by Componenta

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.


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)


FireplacesIECC 402.4.3

New wood-burning fireplaces shall have gasketed doors & outdoor combustion air.


Programmable Thermostat Controls IECC 403.1.1

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)

Mandatory Requirements


Ducts Insulation & Sealing IECC 403.2.1 & 403.2.2

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



Duct Tightness TestsIECC 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


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


Piping Insulation IECC 403.3 & 403.4

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 systemsSystems also require a

readily accessible manual switch



Ventilation & Equipment Sizing IECC 403.5 & 403.6

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



Snow Melt System ControlsIECC 403.8

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



Pool CoversIECC 403.9/Comm 63.0403

This section to be amended so that heated pools do NOT require pool covers.



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.


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.


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.


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


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 fenestrationUse 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


1

2

1110o

9

7

4

5

3

68

Zone 6

Zone 7


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


Compliance with Chapter 5 Prescriptive Approach


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”


ASHRAE Fundamental DataComm 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 resultsSee Comm 63.0303 for acceptable test

methods


Hot Gas Bypass (Common in Large Computer Rooms)IECC 502.4.4

Cooling systems can’t use Hot Gas Bypass unless system designed w/ 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

Rated Capacity

Maximum Hot Gas Bypass

Capacity (% of total capacity)

≤ 240,000

Btu/h

50%

> 240,000

Btu/h

25%


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 502 Building Envelope IECC 503 Building Mechanical Systems IECC 504 Service Water Heating IECC 505 Lighting


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.


Demand Controlled VentilationIECC 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



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



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.



Unacceptable: Plans indicate that the HVAC

system will ONLY distribute outdoor air when a pre-defined CO2 set-point is met.


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

(R-5.5)

(R-5.5)

(R-5.5) (R-11.1)

(R-7.4)

(R-5.5)


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.


Heating Outside a BuildingIECC 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


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/hSplit Systems (furnace & condenser similar to

those found in homes, small businesses)

All other systems > 33,000 Btu/hRooftop units, built-up VAV reheat/single fan

dual duct, etc.


Economizers IECC 503.3.1/COMM Table 63.0503 & IECC 501.2/Comm 63.0501

2009 IECC

Economizer Req’ts IECC 503.3.1/ Comm 63.0503(8)&(9)

Economizer Req’ts IECC 501.2/ Comm 63.0501(2)/ Comm 63.0503(8)&(9)

ALL Mechanical Building System Requirements Per 2009 IECC

ALL Building System Req’ts Per ASHRAE 90.1-2007-- MUST be indicated on BOTH Bldg & HVAC Plans

1 Exception

9 Exceptions


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 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.


IECC Interior ControlsIECC 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. 505.2.2.1Note – controlling all luminaires using daylighting

controls is acceptable.


IECC Interior ControlsIECC 505.2.2.3

Daylight Zone

Vertical Glazing (windows):

Ceiling Height Opaque Partition

2´

Daylight ZoneBoundary

15´

S

Daylight ZoneLuminaires

S


IECC Interior ControlsIECC 505.2.2.3

Daylight Zone:Horizontal Glazing (skylights):

Daylight Zone

10´

10´10´


IECC Interior Power Req. IECC Table 505.5.2

Footnotes b for Additional Retail Lighting

“Use it or Lose it”

Interior Lighting Power Allowances (ILPA)

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)


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.


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


IECC Exterior Power Req.IECC 505.6.1 & 505.6.1

IECC 2009 & ASHRAE 2007 are equivalent Applies to lighting powered through

the building serviceIECC 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)


IECC Exterior Lighting ZonesIECC 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

3 All other areas

4 High-activity commercial districts in major metropolitan areas as designated by the local land use planning authority


Zone 1 Zone 2 Zone 3 Zone 4

Base Site Allowance

500 W 600 W 750 W 1300 W

Tradable Surfaces

Uncovered Parking Areas

Parking areas and drives 0.04 W/ft2 0.06 W/ft2 0.10 W/ft2 0.13 W/ft2

Building Grounds

Walkways less than 10 ft wide

0.7 W/linear foot

0.7 W/linear foot

0.8 W/linear foot

1.0 W/linear foot

Walkways 10 ft wide or greater

0.14 W/ft2 0.14 W/ft2 0.16 W/ft2 0.2 W/ft2

Plaza areas, Special Feature Areas

Stairways 0.75 W/ft2 1.0 W/ft2 1.0 W/ft2 1.0 W/ft2

Pedestrian Tunnels 0.15 W/ft2 0.15 W/ft2 0.2 W/ft2 0.3 W/ft2

IECC Exterior Lighting Zones



Non-Tradable Surfaces

Building Facades

No allowance

0.1 W/ft2 for each illuminated wall or

surface or 2.5 W/linear ft for

each illuminated wall or surface

length

0.15 W/ft2 for each

illuminated wall or surface or

3.75 W/linear ft for each

illuminated wall or surface

length

0.2 W/ft2 for each

illuminated wall or surface or

5.0 W/linear ft for each

illuminated wall or surface

length

Automated teller machines & night

depositories

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





Entrances and gatehouse

inspection stations at guarded fac.

0.75 W/ft2 of covered & uncovered

area

0.75 W/ft2 of covered &

uncovered area


area


area

Loading areas for law enforcement, fire, ambulance & other emergency service vehicles


area

0.5 W/ft2 of covered &

uncovered area


area


area

Drive-up windows/doors

400 W per drive-through




Parking near 24-hour retail entrances

800 W per main entry






TradableSurfaces

Building Entrances and Exits

Main entries

20 W/linear ft of door

width

20 W/linear ft of door width



Other doors

20 W/linear ft of door

width




Entry Canopies 0.25 W/ft2 0.25 W/ft2 0.4 W/ft2 0.4 W/ft2

Sales Canopies

Free-standing & attached 0.6 W/ft2 0.6 W/ft2 0.8 W/ft2 1.0 W/ft2

Outdoor Sales

Open areas (including

vehicle sales lots) 0.25 W/ft2 0.25 W/ft2 0.5 W/ft2 0.7 W/ft2

Street frontage forvehicle sales lots inaddition to “openarea” allowance

NoAllowance 10 W/linear ft 10 W/linear ft

30 W/linear ft


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.


2009 International Mechanical With Wisconsin Amendments






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


HVAC Equipment Clearances Public Motor Vehicle Area IMC 304.6 & 7

1’ MINIMUM

SUSPENDED HEATING EQUIIPMENT

Protection required if clearances cannot be met

8’ min.


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


HVAC on Roofs & Elevated Structures IMC 306.5


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.


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.


Clothes dryer exhausts & water heater vent….oh my!!!!!



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.



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 lengthshall not be concealed within construction


Clothes Dryer Exhaust Req’ts IMC 504.6.4

Exhaust Duct Limited

< 35 ft unless listing allows for longer length ** New duct length

reduction tableCleanouts Req’d

for each Vertical Riser



IMC Table 504.6.4.1 subtract from 35’--

DRYER EXHAUST DUCT FITTING TYPE

EQUIVALENT LENGTH

4″ radius mitered 45-degree elbow

2 ft 6 in

4″ radius mitered 90-degree elbow

5 ft

6″ radius smooth 45-degree elbow

1 ft


1 ft 9 in


1 ft


1 ft 7 in


9 in


1 ft 6 in



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.



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.



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.


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.



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.


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


Type I Kitchen Hood/ Exhaust Duct Reqr’ts IMC 506.3.8, 506.3.9

Horizontal cleanouts must be < 20 Ft apartAccess opening to be > 1.5” above the

bottom of the duct, other options listedAccess door dimensions must be a minimum

of 12”/side, --ExceptionAccess door to open without need for toolsPersonnel entry required if duct dimensions

allows entry of personnel (min. access 22” x 20” with properly sized supports)


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.


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.


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


Heat Sensors Installed Inside Type I Commercial Kitchen Hood


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 gradeOutlets to terminate > 30 inches above the

roof surfaceOutlets to be protected against weather

conditionsOutlets shall not be directed onto walkwaysOutlets to meet the provisions for exterior wall

opening protectives in accordance with the IBC


This is a new idea in building make-up air. The white framework is the baseto a pedestal floor fan.


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


Hydronic Piping TestingIMC 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.


Pressurizing During InstallationIMC 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.


Hydronic Piping Slab/Floor Insulation InstallationIMC 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


2009 International Fuel Gas Code With Wisconsin Amendments






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.


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


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


Plastic Piping Used for VentingIFGC 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.


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.


Questions?????

ICC Codes w/WI Amendments1 Identity Theft???. ICC Codes w/WI Amendments2.

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