5 zThe 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” zContrary to what some people say, “Code’s Don’t Cost Money…. They Save Money….”
ICC Codes w/WI Amendments 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
ICC Codes w/WI Amendments7 Additions, Alterations & Renovations Comm (Ch. 3 Not adopted), , IEBC 711, & 808 zAdditions, 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 Amendments8 Change in Occupancy International Existing Building Code (IEBC) zComm (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
ICC Codes w/WI Amendments 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
ICC Codes w/WI Amendments10 Frost-Protected Shallow Foundations IBC/Comm zWhere 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: yThis is a frost-protected shallow foundation design yThe minimum monthly average temperature the structure is to be maintained to avoid frost damage to the foundation
ICC Codes w/WI Amendments International Energy Conservation Code With Wisconsin Amendments zTraining As Developed by Randy Dahmen, WI PE John Spalding, WI Architect zWI Dept. of Commerce, Safety & Buildings Division, Madison, WI & LaCrosse, WI zWeb Site: zCOMMERCE.STATE.WI.US/SB
ICC Codes w/WI Amendments13 Misc. Requirements IBC (Note New Location in ICC) zVapor Retarders yClass I & II vapor retarders shall be provided on the interior side of framed walls. Exceptions: xFramed walls xBelow grade portion of any wall xConstruction where moisture or its freezing will not damage the materials
ICC Codes w/WI Amendments14
ICC Codes w/WI Amendments15 IECC Offers Multiple Building Envelope Compliance Options For: zCh. 4 Low Rise Residential Buildings (< 3 stories) (Non-Transient--Do NOT use with for Hotels, Motels, etc.) zCh. 5 Commercial (Any Height) and High Rise Residential Buildings (> 4 Stories)
ICC Codes w/WI Amendments16 Insulation & Fenestration Requirements by Climate Zone Table Insulation and Fenestration Requirements by Component a 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 and Table 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 R of the IRC or Section of the IBC, maximum U-factor shall be 0.75 in Zone 2 and 0.65 in Zone 3.
ICC Codes w/WI Amendments17 Air Sealing and Insulation IECC z2 options to demonstrate compliance yWhen tested air leakage is < 7 ACH when tested with a blower door at pressure of 33.5 psf (Section ) xTesting after rough in and installation of building envelope penetrations yWhen items listed in Table , applicable to the method of construction, are field verified (Section )
ICC Codes w/WI Amendments18 Fireplaces IECC zNew wood-burning fireplaces shall have gasketed doors & outdoor combustion air.
ICC Codes w/WI Amendments19 Programmable Thermostat Controls IECC zIf primary heating system is a forced-air furnace yAt least one programmable thermostat/dwelling unit yCapability to set back or temporarily operate the system to maintain zone temperatures xdown to 55ºF (13ºC) or xup to 85ºF (29ºC) yInitially programmed with: xheating temperature set point no higher than 70ºF (21ºC) and xcooling temperature set point no lower than 78ºF (26ºC) Mandatory Requirements
ICC Codes w/WI Amendments20 Ducts Insulation & Sealing IECC & zInsulation (Prescriptive) yDucts outside the building envelope: R-8 yAll other ducts: R-6 zSealing (Mandatory) yJoints & seams shall comply with IRC, Section M zBuilding framing cavities shall not be used as supply ducts Mandatory Requirements
ICC Codes w/WI Amendments21 Duct Tightness Tests IECC zDuct tightness shall be verified by either Post or Rough In Tests − yPost construction test xLeakage to outdoors: ≤ 8 cfm/per 100 ft 2 of conditioned floor area OR xTotal leakage: ≤ 12 cfm/per 100 ft 2 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 x All register boots taped or otherwise sealed
ICC Codes w/WI Amendments22 Duct Tightness Tests y Rough-in test xTotal leakage ≤ 6 cfm/per 100 ft 2 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 ft 2 Exceptions: Duct tightness test is not required if the air handler and all ducts are located within conditioned space
ICC Codes w/WI Amendments23 Piping Insulation IECC & zMinimum R-3 required on yHVAC systems xException: Piping that conveys fluids between 55 & 105°F zMinimum R-2 required on yAll circulating domestic hot water systems xSystems also require a readily accessible manual switch Mandatory Requirements
ICC Codes w/WI Amendments24 Ventilation & Equipment Sizing IECC & zEquipment Sizing yIECC references Section M of the IRC yLoad calculations determine the proper capacity (size) of equipment yCalculations shall be performed in accordance with ACCA Manual J OR yother approved methods Mandatory Requirements
ICC Codes w/WI Amendments25 Snow Melt System Controls IECC zSnow- and ice-melting system controls yShall include xAutomatic controls capable of shutting off the system when the pavement temperature > 50ºF and no precipitation is falling; and xAutomatic or manual control that will allow shutoff when the outdoor temperature is > 40ºF Mandatory Requirements
ICC Codes w/WI Amendments26 Pool Covers IECC 403.9/Comm zThis section to be amended so that heated pools do NOT require pool covers. Mandatory Requirements
ICC Codes w/WI Amendments27 Lighting Equipment (Prescriptive) IECC zA minimum of 50% of the lamps in permanently installed lighting fixtures shall be high-efficacy lamps zDefinition of “high-efficacy lamp” yCompact fluorescent lamps T-8 or smaller diameter linear fluorescent lamps, or lamps with a minimum efficacy of: x60 lumens/W for lamps > 40 watts, x50 lumens/W for lamps > 15 watts up to 40 watts, and x40 lumens/W for lamps < 15 watts or less.
ICC Codes w/WI Amendments28 Simulated Performance Alternative Comm zWisconsin Accepts use of REScheck when set for “2006 IECC” (use “2009 IECC” when the 2009 ICC codes are implemented) zDoes NOT include both envelope and equipment for trade-offs.
ICC Codes w/WI Amendments29 Ch. 4 Posting of Certificate IECC/Comm zPermanent Certificate to be posted yTo be posted on or in the electrical distribution panel yTo be completed by builder or registered design professional yTo 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.
ICC Codes w/WI Amendments30 Ch. 4 Posting of Certificate IECC/Comm zDon’t cover or obstruct the visibility of other required labels zCertificate lists electric furnace, or baseboard electric heater that is installed zNo efficiency listed for the above systems
ICC Codes w/WI Amendments31 What are My Building Envelope Options for Complying with the IECC? zSection 502 of the IECC (Prescriptive Approach) xUse for < 40% of gross wall area in vertical fenestration xUse for < 3% of gross roof area in skylights zCOMcheck Computer Program (per Comm ) zSection 506 Total Building Performance Approach zASHRAE/IESNA Standard ySection “Application” requires 90.1 to be used in its ENTIRETY (Envelope, Lighting, Mechanical) if used as an alternate compliance path
ICC Codes w/WI Amendments32 Zone 6 Zone 7
ICC Codes w/WI Amendments33 Changes to IECC Tables & 502.2(1) zTable now separated by occupancy type yNon-Group R occupancies use “All other” column yGroup R occupancies use “Group R” column
ICC Codes w/WI Amendments35 Slab-on-Grade Floors IECC zClimate Zone 6 yAll Other Unheated min. R-10 for 24” yAll Other Heated min R-15 for 24” yResidential Unheated min. R-15 for 24” yResidential Heated min. R-20 for 48” zClimate Zone 7 yAll Other Unheated min. R-15 for 24” yAll Other Heated min. R-20 for 24” yResidential Unheated min. R-15 for 24” yResidential Heated min. R-20 for 48”
ICC Codes w/WI Amendments36 ASHRAE Fundamental Data Comm zInformation on thermal properties, performance of building envelope sections, and components and heat transfer shall be obtained from ASHRAE Handbook of Fundamentals. yException: xLaboratory Testing results xSee Comm for acceptable test methods
ICC Codes w/WI Amendments37 Hot Gas Bypass (Common in Large Computer Rooms) IECC zCooling systems can’t use Hot Gas Bypass unless system designed w/ yMultiple steps of unloading; OR yContinuous capacity modulation zCapacity limited per Table yException: 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%
ICC Codes w/WI Amendments38 Ch. 5 Commercial Bldgs (Any Height) & High Rise Residential Buildings (> 4 Stories) IECC 501 & Comm zASHRAE may be used in its entirety in place of the 2009 IECC requirements for satisfying ALL of the following topics: yIECC 502 Building Envelope yIECC 503 Building Mechanical Systems yIECC 504 Service Water Heating yIECC 505 Lighting
ICC Codes w/WI Amendments39 Ch. 5 Commercial Bldgs (Any Height) & High Rise Residential Buildings (> 4 Stories) IECC 501 & Comm zDesigner’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. yDept. review will default to IECC, unless designer indicates otherwise on plans.
ICC Codes w/WI Amendments40 Demand Controlled Ventilation IECC zDemand 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: yAn air-side economizer; yAutomatic modulating control of the outdoor air damper yA design outdoor airflow < 3,000 cfm (Exceptions) ySpaces where the supply airflow rate minus any makeup or outgoing transfer air req’t is less than 1,200 cfm
ICC Codes w/WI Amendments41 Demand Controlled Ventilation IECC zSequencing & all associated controls shall be explicitly addressed on the HVAC plan set. zAcceptable: yThe 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 CO 2 sensor has met its operational set-point (to be clearly defined on the plans). Sensor to activate additional outdoor air over baseline yExceptions: Natural ventilation or other listed code exception
ICC Codes w/WI Amendments42 Demand Controlled Ventilation IECC zAcceptable: yPlans indicate that the HVAC system will distribute outdoor air when the room or space is occupied. The content of CO 2 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.
ICC Codes w/WI Amendments43 Demand Controlled Ventilation IECC zUnacceptable: yPlans indicate that the HVAC system will ONLY distribute outdoor air when a pre-defined CO 2 set-point is met.
ICC Codes w/WI Amendments44 Piping Insulation IECC All piping serving heating or cooling system must be insulated in accordance with Table shown below. Exceptions (R-5.5) (R-11.1) (R-7.4) (R-5.5)
ICC Codes w/WI Amendments45 Snow Melt System Controls IECC 403.8, zApplicable to snow- and ice-melting systems supplied with energy service through the bldg. zRequire automatic controls capable of shutting off the system when the pavement temperature is > 50 o F and no precipitation is falling and automatic or manual control that will allow shutoff when the outdoor temperature is above 40 o F when the the potential for snow or ice is negligible.
ICC Codes w/WI Amendments46 Heating Outside a Building IECC zSystems providing heat outside a building shall be radiant systems. zSystems shall be controlled by an occupancy sensing device or timer switch, so that the system is automatically de-energized when no occupants are present
ICC Codes w/WI Amendments47 Economizers IECC/COMM Table zUnless a listed exception is met (exception #1 is not viable), Economizers are required for : ySplit systems & water source heat pumps > 54,000 Btu/h Split Systems (furnace & condenser similar to those found in homes, small businesses) yAll other systems > 33,000 Btu/h xRooftop units, built-up VAV reheat/single fan dual duct, etc.
ICC Codes w/WI Amendments48 Economizers IECC /COMM Table & IECC 501.2/Comm IECC Economizer Req’ts IECC / Comm (8)&(9) Economizer Req’ts IECC 501.2/ Comm (2)/ Comm (8)&(9) ALL Mechanical Building System Requirements Per 2009 IECC ALL Building System Req’ts Per ASHRAE MUST be indicated on BOTH Bldg & HVAC Plans 1 Exception 9 Exceptions
ICC Codes w/WI Amendments49 Economizers IEBC/COMM , , , IECC/COMM Table z“ 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) yIf 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
ICC Codes w/WI Amendments50 High Rise Residential Bldgs IECC zIECC Chapter 5 yUnique requirement for High Rise Residential Bldgs x> 3 stories above grade, and x> 3 dwellings or more zLighting within dwelling units where 50% or more of the permanently installed interior light fixtures are fitted with high efficacy lamps.
ICC Codes w/WI Amendments51 IECC Interior Controls IECC / COMM (1) zDaylight Zone control required for ySpaces > 250ft 2 ; and ySpaces with a Lighting Power Density > 0.6W/ft 2; & - Spaces containing 3 or more light fixtures zDaylight Zones to have separate controls yVertical & horizontal daylight areas separately switched from general area lighting yMust apply lighting reduction controls as per IECC sec xNote – controlling all luminaires using daylighting controls is acceptable.
ICC Codes w/WI Amendments52 IECC Interior Controls IECC zDaylight Zone Vertical Glazing (windows): Ceiling Height Opaque Partition 2´ Daylight Zone Boundary 15´ S Daylight Zone Luminaires S
ICC Codes w/WI Amendments54 IECC Interior Power Req. IECC Table Footnotes b for Additional Retail Lighting “Use it or Lose it” Interior Lighting Power Allowances (ILPA) zCalculate Additional lighting power as follows: Additional Interior Lighting Power Allowance = 1,000 watts + (Retail Area 1 x 0.6 W/ft 2 ) + (Retail Area 2 x 0.6 W/ft 2 ) + (Retail Area 3 x 1.4 W/ft 2 ) + (Retail Area 4 x 2.5 W/ft 2 )
ICC Codes w/WI Amendments55 IECC Interior Power Req. IECC Table zWhere: yRetail Area 1 = Floor area for all products not listed in Retail Areas 2, 3 or 4; yRetail Area 2 = Floor area used for the sale of vehicles, sporting goods and small electronics; yRetail Area 3 = The floor area used for the sale of furniture, clothing, cosmetics and artwork; yRetail Area 4 = Floor area used for the sale of jewelry, crystal and china. xNote: Other merchandise categories are permitted to be included in Retail Areas 2 through 4 based on justification provided to the Dept. deemed as reasonable.
ICC Codes w/WI Amendments56 IECC Interior Power Req. zAdditional Power Allowance Rules: yArea must be the display area and NOT the floor area of the space yMust be switched on separate circuits from that of other general lighting yMust be in addition to general lighting
ICC Codes w/WI Amendments57 IECC Exterior Power Req. IECC & zIECC 2009 & ASHRAE 2007 are equivalent yApplies to lighting powered through the building service xIECC Exception - low voltage landscape lighting yAll exterior luminaires > 100 W shall have an efficacy of 60 L/W unless controlled by a motion sensor (unless it is exempted)
ICC Codes w/WI Amendments58 IECC Exterior Lighting Zones IECC Table (1)] Lighting Zone Description 1Developed areas of national parks, state parks, forest land, & rural areas 2Areas predominantly consisting of residential zoning, neighborhood business districts, light industrial w/limited nighttime use & residential mixed use areas 3All other areas 4High-activity commercial districts in major metropolitan areas as designated by the local land use planning authority
ICC Codes w/WI Amendments59 Zone 1Zone 2Zone 3Zone 4 Base Site Allowance 500 W600 W750 W1300 W Tradable Surfaces Uncovered Parking Areas Parking areas and drives0.04 W/ft W/ft W/ft W/ft 2 Building Grounds Walkways less than 10 ft wide 0.7 W/linear foot 0.8 W/linear foot 1.0 W/linear foot Walkways 10 ft wide or greater 0.14 W/ft W/ft W/ft 2 Plaza areas, Special Feature Areas Stairways0.75 W/ft W/ft 2 Pedestrian Tunnels0.15 W/ft W/ft W/ft 2 IECC Exterior Lighting Zones
ICC Codes w/WI Amendments60 Zone 1Zone 2Zone 3Zone 4 Non- Tradable Surfaces Building Facades No allowance 0.1 W/ft 2 for each illuminated wall or surface or 2.5 W/linear ft for each illuminated wall or surface length 0.15 W/ft 2 for each illuminated wall or surface or 3.75 W/linear ft for each illuminated wall or surface length 0.2 W/ft 2 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 Entrances and gatehouse inspection stations at guarded fac W/ft 2 of covered & uncovered area Loading areas for law enforcement, fire, ambulance & other emergency service vehicles 0.5 W/ft 2 of covered & uncovered area Drive-up windows/doors 400 W per drive-through Parking near 24-hour retail entrances 800 W per main entry
ICC Codes w/WI Amendments61 Zone 1Zone 2Zone 3Zone 4 Tradable Surfaces Building Entrances and Exits Main entries 20 W/linear ft of door width 30 W/linear ft of door width Other doors 20 W/linear ft of door width Entry Canopies0.25 W/ft W/ft 2 Sales Canopies Free-standing & attached 0.6 W/ft W/ft W/ft 2 Outdoor Sales Open areas (including vehicle sales lots)0.25 W/ft W/ft W/ft 2 Street frontage for vehicle sales lots in addition to “open area” allowance No Allowance10 W/linear ft 30 W/ linear ft
ICC Codes w/WI Amendments62 Simulated Performance Alternative Comm zWisconsin Accepts use of COMcheck when set for “2006 IECC” (use “2009 IECC” when the 2009 ICC codes are implemented) zDoes NOT include both envelope and equipment for trade-offs.
ICC Codes w/WI Amendments 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 Amendments64 Equipment Clearances IMC & 7, IBC zPublic 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) zPrivate motor vehicle areas-Min. 6 ft above the floor or guarded
ICC Codes w/WI Amendments65 HVAC Equipment Clearances Public Motor Vehicle Area IMC & 7 1’ MINIMUM SUSPENDED HEATING EQUIIPMENT Protection required if clearances cannot be met 8’ min.
ICC Codes w/WI Amendments66 HVAC Equipment Clearance to Grade IMC zEquipment 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 Amendments68 Permanent Ladder Requirements IMC zLadders > 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 Amendments69 Clothes Dryer Exhaust Req’ts IMC zClothes dryers to be exhausted per listing. zDryer exhaust systems to be independent of all other systems ySection 504 is not to be applied to listed and labeled condensing (ductless) clothes dryers.
ICC Codes w/WI Amendments71 Clothes Dryer Exhaust Req’ts IMC zMakeup air yInstallations exhausting > 200 cfm to have makeup air. (one  residential clothes dryer) yWhere 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 Amendments72 Clothes Dryer Exhaust Req’ts IMC & zDuct Installation & Transition Ducts yExhaust ducts to be 4 ft intervals and secured in place. yThe insert end of the duct shall extend into the adjoining duct or fitting in the direction of airflow yDucts shall NOT be joined w/ screws or similar fasteners that protrude into the duct yTransition ducts to be: xlisted as having met UL 2158A xa maximum of 8 ft in length xshall not be concealed within construction
ICC Codes w/WI Amendments73 Clothes Dryer Exhaust Req’ts IMC zExhaust Duct Limited z< 35 ft unless listing allows for longer length ** yNew duct length reduction table zCleanouts Req’d for each Vertical Riser
ICC Codes w/WI Amendments74 Clothes Dryer Exhaust Req’ts IMC Table subtract from 35’-- TABLE DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH DRYER EXHAUST DUCT FITTING TYPE EQUIVALENT LENGTH 4″ radius mitered 45-degree elbow2 ft 6 in 4″ radius mitered 90-degree elbow5 ft 6″ radius smooth 45-degree elbow1 ft 6″ radius smooth 90-degree elbow1 ft 9 in 8″ radius smooth 45-degree elbow1 ft 8″ radius smooth 90-degree elbow1 ft 7 in 10″ radius smooth 45-degree elbow9 in 10″ radius smooth 90-degree elbow1 ft 6 in
ICC Codes w/WI Amendments75 Clothes Dryer Exhaust Req’ts IMC zLength identification yWhere 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. yThe label or tag shall to be located < 6 ft of the exhaust duct connection.
ICC Codes w/WI Amendments76 Clothes Dryer Exhaust Req’ts IMC zWhere 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. yException: where a listed condensing clothes dryer is installed prior to occupancy of structure.
ICC Codes w/WI Amendments77 Clothes Dryer Exhaust Req’ts IMC zProtective shield plates shall be placed where nails or screws from finish or other work are likely to penetrate the clothes dryer exhaust duct. zShield 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. zProtective shield plates to be steel w/min. thickness of “ and extend a minimum of 2” above sole plates and below top plates.
ICC Codes w/WI Amendments78
ICC Codes w/WI Amendments79 Clothes Dryer Exhaust Req’ts IMC zWhere 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 Amendments80 Clothes Dryer Exhaust Req’ts IMC zMake air shall be provided for the exhaust system zProvide cleanout openings at base of shaft with min. 12” by 12” dimensions. zScreen shall not be installed at the termination.
ICC Codes w/WI Amendments82 Domestic Kitchen Exhaust Equipment IMC zMakeup air required if capable of exhausting > 400 cfm zShall be equipped with a means of closure zMakeup air to be automatically controlled to start & operate simultaneously with the exhaust system
ICC Codes w/WI Amendments83 Type I Kitchen Hood/ Exhaust Duct Reqr’ts IMC , zHorizontal cleanouts must be < 20 Ft apart zAccess opening to be > 1.5” above the bottom of the duct, other options listed zAccess door dimensions must be a minimum of 12”/side, --Exception zAccess door to open without need for tools zPersonnel entry required if duct dimensions allows entry of personnel (min. access 22” x 20” with properly sized supports)
ICC Codes w/WI Amendments84 Type I Kitchen Hood/ Exhaust Duct Requirements IMC zA cleanout to be provided on inlet & outlet side of inline fan used with any commercial kitchen hood. zCleanouts to be located within 3 ft of the fan duct connections.
ICC Codes w/WI Amendments85 Type I Kitchen Exhaust Duct Req’ts IMC zA duct enclosure shall be not be required for a grease duct that penetrates ONLY a non-fire-resistance rated roof/ceiling assembly y*** Remember: IMC requires a minimum clearance of 18” from combustibles.
ICC Codes w/WI Amendments86 Type I Kitchen Hood Operating Requirements IMC zType I hoods to be installed to AUTOMATICALLY activate the exhaust fan whenever cooking operations occur yActivation may occur through: xinterlock with the cooking appliance, xby means of heat sensors, or xby other approved methods
ICC Codes w/WI Amendments87 Heat Sensors Installed Inside Type I Commercial Kitchen Hood
ICC Codes w/WI Amendments88 Type II Kitchen Exhaust Terminations IMC zExhaust outlets to terminate > 3 ft in any direction from openings into the bldg zOutlets to terminate > 10 ft from property lines or bldgs on same lot zOutlets to terminate > 10 ft above grade zOutlets to terminate > 30 inches above the roof surface zOutlets to be protected against weather conditions zOutlets shall not be directed onto walkways zOutlets to meet the provisions for exterior wall opening protectives in accordance with the IBC
ICC Codes w/WI Amendments89 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 Amendments90 Combustion Air IMC zSolid fuel-burning appliances shall be provided with combustion air in accordance with the appliance manufacturer’s installation instructions. zOil fired appliances shall be provided w/combustion air per NFPA 31
ICC Codes w/WI Amendments91
ICC Codes w/WI Amendments92 Hydronic Piping Testing IMC 1208 zHydronic 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. zGround Source Systems to be pressure tested 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 Amendments93 Pressurizing During Installation IMC zPiping 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 Amendments94
ICC Codes w/WI Amendments95 Hydronic Piping Slab/Floor Insulation Installation IMC zRadiant piping for: ySlab-On-Grade Applications (inclusive of basement floors) to be provided min. R-5 insulation installed beneath the piping. ySuspended Floor Applications requires joist bay cavities serving the heating space above to have a min. R-11 insulation installed. zThermal 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 Amendments96
ICC Codes w/WI Amendments 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 Amendments98 Electrical Bonding IFGC 310.1/Comm 16/NEC (B) zAbove 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 Amendments99 Electrical Bonding (CSST) IFGC /Comm 16/NEC (B) The Dept. requires that the clamp be used on a hard pipe, and NOT on the CSST itself. zAn licensed electrician is not required unless the bonding is occurring within the electrical box, or local rules are stricter
ICC Codes w/WI Amendments100
ICC Codes w/WI Amendments101 Electrical Bonding (CSST) IFGC /Comm 16/NEC (B) zCorrugated 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 Amendments102 Plastic Piping Used for Venting IFGC zPlastic pipe & fittings used to vent appliances to be installed in accordance with appliance manufacturer’s installation instructions. zWhere a primer is required, the primer shall be of a contrasting color.
ICC Codes w/WI Amendments103 Gas Cooking Appliances IFGC 623 zOpen-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. zA minimum clearance of 30” is required above other household cooking appliances. Req’t reduced to 24” where 1 of 3 listed exceptions are met.