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2015 IRC Essentials2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsBased on the International ResidentialCode (IRC )Part ICode Administration2Copyright 2015 International Code Council1
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsIntroduction to Building Codes Codes are minimumrequirements tosafeguard the publichealth, safety andwelfare of the public andoccupants or users ofspaces or buildings.2015 IRC EssentialsWorkbook Page 23ICC Code Development CycleCode Changes Submitted New code published every3 years 12 month cycle Codes divided into 3 groups1. IBC, IPC, IMC, IFGC, IPSDC2. IRC, IFC, IEBC, IECC, IPMC,ISPSC, IWUIC, IZC, ICCPC,Admin.3. IgCCCode Changes AvailableCommittee Action HearingReport of Public HearingPublic Comments SubmittedPublic Comments AvailablePublic Comment HearingNew Edition Published2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 342
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsIRC – International ResidentialCode Regulates of 1- and 2-family dwellings andtownhouse structures Combines all regulations for building, energy,mechanical, fuel gas, plumbing and electricalinto one documentSingle-family dwelling2015 IRC EssentialsTownhousesWorkbook Page 75Dwellings and TownhousesHabitable attic is notconsidered a storyMaximum 3 storiesabove grade planeAllows a full basementin addition to 3 stories2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 863
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsDwellings Separate means of egress to the outdoors foreach dwelling unit 1 exterior exit door Egress travel distanceis not regulated No limit on size ofdwellings 2-family dwellingsrequire fire-resistantseparations2015 IRC EssentialsWorkbook Page 8Units are not openon 2 sides; cannotbe constructedunder the IRCTownhouses 7Minimum of 3 townhousesNo maximum on the number of townhousesFire-resistant separations between townhousesTownhouses open on front and backDEFCBA2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 9-1084
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsAccessory Buildings The IRC regulates accessory buildings Use incidental and accessory to dwellingOn same lot as dwellingUnlimited area 3 stories AGP2015 IRC EssentialsWorkbook Page 119Existing Buildings Existing buildings permitted to continue without change Maintained per code under which they were constructed The IRC regulates additions, alterations and repairs toan existing building Appendix J offers compliancealternatives for constructionon existing buildings Work categorized as repair,renovation, alterationor reconstruction2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 11105
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsAdoption of the IRC Adopting by local ordinance includes: Edition and title of the IRCPurpose and scopeEffective date for ordinanceInsertion of local information and criteria into codetext: Name of the jurisdiction Design criteria Building sewer depths2015 IRC EssentialsWorkbook Page 1411Appendices Developed in the same manner as the mainbody of code May provide some guidelines or examples ofrecommended practices May assist in the determination of alternativematerials or methods Have no legal status until specifically recognizedin the adopted ordinance or legislation2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 15126
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsBuilding Official Authority andDuties Building Official is authorized and directed to: Enforce provisions of code Make interpretations Adopt policies and procedures Approve modifications and alternatives Limits on authority:Withinintent andpurpose ofcode Not authorized to waive code requirements Not authorized to require more than the code2015 IRC EssentialsWorkbook Page 1613Alternative Methods andMaterials The IRC does not exclude any material or method Alternatives subject to approval by the Building Official The Building Official has an obligation to approvealternatives that meet the intent of the IRC Reports issued by the ICC Evaluation Service (ICC-ES) arevaluable resources in verifying performance equal to the coderequirements www.icc-es.org Reason for disapproval in writing2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 17147
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsPermits Construction requires a permit before work begins Exempt work: 1-story tool and storage sheds, playhouses, andsimilar uses 200 ft2 Decks 200 ft2 30 in. above gradenot attached to a dwelling anddo not serve the required exit door Fences 7 ft. in height2015 IRC EssentialsWorkbook Page 1915Fees The jurisdiction may charge permit fees to offsetthe costs of providing associated services to thepublic Administration costs Plan review costs Inspection costs The Building Official develops equitable andconsistent procedures for establishing fees2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 21168
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsRequired Inspections Foundation Floodplain Plumbing, mechanical, gas and electricalsystems Frame and masonry Fire-resistance-rated construction Other inspections as deemed necessary Final inspection2015 IRC EssentialsWorkbook Page 2417Board of Appeals The public has the right of due process toappeal an order, decision or determination of thebuilding official. Basis for appeal: The code has been interpreted incorrectly The code does not apply An equivalent alternative was not accepted The Board of Appeals has no authority to waivecode requirements2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 26189
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsPart IISite Development19Fire Separation Distance Measuredperpendicular tothe exterior wall Measuredbetween thebuilding and: Lot lines Centerline ofa street oralley2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 29-302010
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsSite Preparation Two basic provisions: Soil characteristics as they relate to the support andstability of foundations Grading to provide surface drainage away fromfoundations2015 IRC EssentialsWorkbook Page 3121General Requirements Exterior footings Minimum of 12” below the undisturbed ground level Protected against frost All footings must bear on: Natural soil; or Compacted engineered fill2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 312211
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsPresumptive Load-bearingValues & Properties of SoilsUnified SoilClassificationSystem SymbolSoil DescriptionLoad BearingPressure ume ChangePotentialExpansionGWWell-graded gravels, gravel sand mixtures, little or nofines3000GoodLowLowGPPoorly graded gravels or gravel sand mixtures, littleor no fines3000GoodLowLowSWWell-graded sands, gravelly sands, little or no fines2000GoodLowLowSPPoorly graded sands or gravelly sands, little or nofines2000GoodLowLowGMSilty gravels, gravel-sand-silt mixtures2000GoodMediumLowSMSilty sand, sand-silt mixtures2000GoodMediumLowGCClayey gravels, gravel-sand-clay mixtures2000MediumMediumLowSCClayey sands, sand-clay mixture2000MediumMediumLowMLInorganic silts and very fine sands, rock flour, silty orclayey fine sands or clayey silts with slight plasticity1500MediumHighLowCLInorganic clays of low to medium plasticity, gravellyclays, sandy clays, silty clays, lean clays1500MediumMediumMedium toLowCHInorganic clays of high plasticity, fat clays1500PoorMediumHighMHInorganic silts, micaceous or diatomaceous finesandy or silty soils, elastic silts1500PoorHighHigh2015 IRC EssentialsWorkbook Page 3223Fill Engineered fill is required for: Over-excavation to remove unsuitable soils Additional material to raise the elevation of thefootings above the existing undisturbed soil Engineered fill must be: Designed by a registered design professional Installed as specified in design requirements Tested as specified in design requirements2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 332412
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsStorm Drainage Final grade Minimum fall 6” within10’ of foundation Exception for local siteconditions Water can be directed toswales or drains Concrete surfaces within10’ of the foundationneed 2% slope2015 IRC EssentialsWorkbook Page 3425Storm Drainage2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 352613
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsPart IIIStructural27Table R301.2(1)Climatic and Geographic Design Criteria IRC adoption: jurisdiction completes table with dataapplicable to the jurisdiction – for example:Wind DesignGroundSnow Load30 psfSpeed(mph)Vult115 mph2015 IRC EssentialsCopyright 2015 International Code CouncilTopographicEffectsSpecial WindRegionWind-borneDebris ZoneYesorNoYesorNoIdentifyorNoWorkbook Page 39SeismicDesignCategoryB2814
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsTable R301.2(1) (Continued)Climatic and Geographic Design Criteria IRC adoption: jurisdiction completes table with dataapplicable to the jurisdiction – for example:Subject to Damage fromWeatheringFrost Line DepthNegligibleorModerateorSevereTermiteYesorNo42 in.2015 IRC EssentialsIce BarrierUnderlaymentRequiredYesorNoWorkbook Page 3929Table R301.2(1) (Continued)Climatic and Geographic Design exMeanAnnualTemp2⁰ FDate NFIP,Etc.119751⁰ F2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 393015
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsPrescriptive and Performance Prescriptive requirements A specific set of rules to follow Performance requirements Expectation that the system will function in a certainway For structural requirements, performance is achievedthrough engineering2015 IRC EssentialsWorkbook Page 3931Prescriptive and Performance Conventional construction Engineered design can be usedfor structural elements that: Exceed the limits in the code; or Are not included in the code Alternative to wood framingprovisionsFor example, thesizing of wideflange steel beams Wood Frame Construction Manualpublished by the American Wood Council WFCM addresses wind speeds up to 150 mph IRC wind speeds are less than 110 mph2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 393216
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsLive LoadsIRC Table R301.5Minimum Uniformly Distributed Live LoadsLIVE LOAD(psf)USEUninhabitable attics without storage10Uninhabitable attics with limited storage20Habitable attics and attics served withfixed stairs30Balconies (exterior) and decks40Fire escapes40Rooms other than sleeping rooms40Sleeping rooms302015 IRC EssentialsWorkbook Page 4033Live Loads (Continued)IRC Table R301.5Minimum Uniformly Distributed Live LoadsUSELIVE LOAD(psf)Guardrails andhandrails200Single concentrated load applied inany direction along the top.Guardrail in-fillcomponents50Horizontally applied normal load of50 lb. on area of 1 sq. ft.Passengervehicle garages502,000-lb concentrated load / 20-sq.in. area.Stairs40300-lb concentrated load / 4 sq. in.of tread2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 403417
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsDead Loads Average dead loads are included in theprescriptive tables for: FootingsFloorsWallsRoofsFor example, spread footing sizes forconventional frame construction assumeaverage weights for the constructionmaterials being supported2015 IRC EssentialsWorkbook Page 4235Deflection Allowable deflection in structural framingmembers: StudsJoistsBeamsRafters Table R301.7Structural MemberAllowableDeflectionRafters having slopes greater than 3:12with no finished ceiling attached to raftersL/180Interior walls and partitionsH/180Floors/ceilings with plaster or stucco finishL/360All other structural membersL/240Exterior walls—wind loads with plaster or L span length stucco finishExterior walls with other brittle finishes H span height Exterior walls with flexible finishesLintels supporting masonry veneer walls2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 42-43H/360H/240H/120L/6003618
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsExample 4-1 Floor JoistDeflection Floor joist span is 14’ Allowable deflection from Table R301.7 is L/360L 14’ x 12” 168”168 360 0.47Allowable deflection is 0.47”Note: a 14’ span rafter with 4:12 slope andno ceiling attached has an allowabledeflection of L/180, which is twice thedeflection allowed for floor joists2015 IRC EssentialsWorkbook Page 4337Wind Loads Wind forces acting on buildings IRC conventional framing limits wind speed to 140 mph Vult (130in hurricane prone areas) AWC – Wood Framing Construction Manual (WFCM) ICC 600 – Standard for Residential Construction in High-WindRegions ICC – International Building Code ASCE 7 – Minimum Design Loadsfor Buildings and Other Structures2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 443819
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsWind Exposure Category Exposure B Some wind protection with treesand buildings Default Exposure C Open terrain with scatteredobstructionsWind exposure B Exposure D Flat, unobstructed areas exposedto open water, smooth mud flats,salt flats and unbroken ice for 5,000 ftWind exposure C2015 IRC EssentialsWorkbook Page 4539Hurricane-prone regions Hurricane-prone regions. Areas vulnerable to hurricanes, definedas the U.S. Atlantic Ocean and Gulf of Mexico coasts where theultimate design wind speed, Vult, is greater than 115 miles per hour ,and Hawaii, Puerto Rico, Guam, Virgin Islands and America Samoa. Windborne debris region. Areas within hurricane-prone regionslocated in accordance with one of the following: 1.Within 1 mile of the coastal mean high water line where the ultimatedesign wind speed, Vult, is 130 mph or greater. 2. In areas where the ultimate design wind speed, Vult, is 140 mph orgreater; or Hawaii.2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 484020
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsSnow Loads Snow loads must be considered whereapplicable IRC and WFCM conventional framing tables arelimited to snow load 70 psf2015 IRC EssentialsWorkbook Page 5041Earthquakes The IRC assigns a Seismic Design Category to buildingsites relative to the anticipated intensity and frequency ofearthquakes Prescriptive provisions of the IRC are adequate forSDC A and BSeismic DesignCategory1- and 2-FamilyDwellingsTownhousesA&BNo seismic requirementsNo seismic requirementsCNo seismic requirementsSeismic RequirementsApplyD0, D1, D2Seismic Requirements ApplyEEngineered Design Required2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 484221
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsEarthquakes Regularly shaped buildings Uniform distribution of forces More predictable response characteristics Irregularly shaped buildings Force concentrations Generally less effective inresisting earthquake loadeffects2015 IRC EssentialsWorkbook Page 4943Foundation Materials Concrete Removable forms Stay-in-place insulating concreteforms (ICF) Precast concreteMasonryWoodEngineered or alternativedesigns2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 534422
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsFootings Footings must bear on undisturbed groundFootings must extend below the frost depthExterior footings 12” below undisturbed ground levelDetrimental materials removed prior to placing concrete2015 IRC EssentialsWorkbook Page 5445Size of Concrete FootingsConventional Light-Frame ConstructionSnow load30 psf1-story2-storyType of foundationLoad bearing value of soil1,5002,0002,500Slab-on-grade12 x 612 x 612 x 6With crawl space13 x 612 x 612 x 6Plus basement19 x 614 x 612 x 6Slab-on-grade12 x 612 x 612 x 6With crawl space17 x 613 x 612 x 6Plus basement23 x 617 x 614 x 6Projection “P” 2 in. and TThickness “T” 6 in.Width “W” per table2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 564623
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsExample 5-1Footing Size Determine minimum width (W), projection (P) andthickness (T) of a continuous spread footing Given: 2-story dwelling with basement 1500 psf assumed soil bearing capacity 30 psf snow load Conventional construction:a)b)Light-frame construction withsidingLight-frame construction withbrick veneer2015 IRC EssentialsWorkbook Page 5747Example 5-1Footing SizeSnow loadType offoundation30 psfLoadbearingvalue ofsoil1,500P TConventional Light-Frame Construction2-storyPlus basement23 x 6With Brick Veneer2-storyPlus basement2015 IRC EssentialsCopyright 2015 International Code Council27 x 9Workbook Page 574824
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsExample 5-2Isolated Footing Size Given: Column supportstributary floor areaof 120 ft2 at 50 psf 1,500 psf assumed soilbearing capacity Determine minimumfooting size2015 IRC EssentialsWorkbook Page 5949Example 5-2Isolated Footing Size Soil load-bearing capacity 1500 psf Tributary column load 120 ft2 x 50 lbs. 6,000 lbs.6,000 lbs. 1,500 psf 4 ft2 Thickness (T) Min. 6” Projection (P) cannotexceed footing thickness2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 605025
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsFoundation Anchorage Anchor bolts ½-inch diameter 7-inch embedment Middle 1/3 of plate2015 IRC EssentialsWorkbook Page 63-6451Foundation Anchorage Wood sill plate anchorage to foundation for Dwellings and townhouses in SDC “A” and “B” Dwellings in SDC “C”Max 6 ft.Standard washer and nuton each boltMax 12 in.Min. 7 bolt dia.Note: Offsets 24” requireonly one anchor bolt incenter third of plate2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 63-645226
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsFoundation Anchorage Wood sill plate anchorageSeismic Dwellings and townhousesin SDC D0, D1 and D2 Townhouses in SDC C3” x 3” plate washersapproximately ¼” thickBolt spacing 4’for anchorage of3-story buildings2015 IRC EssentialsWorkbook Page 63-6453Concrete Foundation Walls Foundation walls must beconstructed to resist lateralloads Thickness and verticalreinforcement determined by: Soil type Height of foundation Height of unbalanced backfill Difference in height between theexterior finish ground level and thetop of the interior basement floor2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 675427
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsConcrete Foundation Walls Horizontal reinforcing required for basement walls Table R404.1.2(1)Maximum UnsupportedHeight of Basement WallLocation of Horizontal Reinforcement 8 feetOne No. 4 bar within 12” of the top of the wall andone No. 4 bar near mid-height of the wall story 8 feetOne No. 4 bar within 12” of the top of the wall andone No. 4 bar near third points the wall story Vertical reinforcing required Tables R404.1.2(2) through R404.1.2(9)2015 IRC EssentialsWorkbook Page 6855Horizontal Reinforcing inConcrete Basement Wall Table R404.1.2(1) 3 horizontal No. 4 bars1/3One bar within 12” of topOther bars at third pointsBars located in center of wall1/32015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 685628
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsVertical Reinforcing inConcrete Basement Wall Soil class CL inorganic sandy clay10″ nominal thicknessWall height 9′Unbalanced backfill height 8′Table R404.1.2(8) Vertical Reinforcement No. 6 bars at 39 inches on centerWallHgt.8′9′Unbal.backfillSoil classSC, ML-CL and inorganic CL6″910″12″66 @ 36 6 @ 39NRNR76 @ 33 6 @ 385 @ 37NR86 @ 24 6 @ 296 @ 394 @ 482015 IRC Essentials8″Workbook Page 6957Height Above Finished Grade Concrete and masonry foundation walls mustextend above the finished grade adjacent to thefoundation Minimum of 4” withmasonry veneer Minimum of 6”elsewhere2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 705829
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsMoisture Protection Drainage by perforated pipe orother approved drain system Installed at or below the level ofthe basement or crawl space floor Exception for areas with welldrained soils Dampproofing materials applied tothe exterior of the foundation Waterproofing in areas with a highwater table or other known severesoil-water conditions Flexible sealants or otherimpervious material2015 IRC EssentialsWorkbook Page 7159Underfloor Space Ventilation of crawl spacerequired Circulate air Dissipate condensation Method of ventilation Foundation openings Mechanical exhaust ventilation Connection to the conditionedair supply of the dwelling Access to underfloor spaces 18” x 24” through floor 16” x 24” through perimeterwall2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 726030
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsFraming Light-frame construction Wood or cold-formed steel Grade mark on wood products Wood structural panels Load-bearing dimension lumber2015 IRC EssentialsWorkbook Page 7461Engineered Wood Products Plate-connected openweb trusses I-joists Glued-laminated lumber Laminated veneerlumber (LVL) Other structuralcomposite lumber (SCL)2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 756231
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsWood Trusses Design submitted to buildingofficial for approval Include: Design loads Slope or depth, span andspacing Required bearing widths Lumber size, species and grade Connection requirements Required permanent bracinglocation Other information2015 IRC EssentialsWorkbook Page 75-7663Wood Treatment Wood in locationssubject to decayrequires: Wood treated withpreservatives; or Naturally durablewood RedwoodCedarBlack locustBlack walnut2015 IRC EssentialsCopyright 2015 International Code CouncilTag on preservativetreated woodWorkbook Page 776432
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsProtection Against DecayClearance above grade2015 IRC EssentialsWorkbook Page 7865Boring and NotchingFloor and Ceiling Joists Boring holes and notching of solid sawn beams,floor joists and ceiling joistsNotchesEnd notch2015 IRC EssentialsCopyright 2015 International Code CouncilBoring of holesWorkbook Page 786633
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsBoring and NotchingBearing Walls2015 IRC EssentialsWorkbook Page 7967Boring and NotchingNonbearing WallsHole size in 2’ x 4’ studStud depth 3½″Largest hole 60%60% x 3½ 21/8″5 / ″ 2 1 / ″ 5 / ″ 33 / ″88882015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 796834
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsBoring and NotchingTop Plate of Bearing Wall2015 IRC EssentialsWorkbook Page 8069Fireblocking Designed to stop the spread of fire in concealedspaces of wood frame constructionWalls atfloor &ceiling levelsConnection ofhorizontal &vertical spaces Nominal 2” lumber Layers of structural wood panels 2015 IRCGlassfiber insulation secured in placeEssentialsCopyright 2015 International Code CouncilWorkbook Page 81Vents & ductsat floor &70ceiling levels35
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsDraftstopping Divide concealed floor assembly spaces intoareas of 1000 ft2 Materials: 1/2” gypsum board 3/8” wood structural panels Other approved materials2015 IRC EssentialsWorkbook Page 8271Wood Floor Framing Prescriptive tables for: Beams and girders No. 2 grade Douglas fir-larch, hem-fir, southern pine andspruce-pine-fir Various support conditions Floor joists Specific grade and species of lumber Live load 30 or 40 psf Dead load 10 or 20 psf2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 837236
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsExample 6-1Beam Size and Bearing Support Determine the minimum size and bearing support requirements foran interior beam supporting 2 floors #2 hem-fir lumber Building width 28’ Beam span 6’GirdersupportingTwo floorsSizeBuilding 35-74-2x86-15-34-84-2x107-26-25-6Table R602.7(2) Three 2 x 12or Four 2 x 102015 IRC Essentials73Workbook Page 82Example 6-2Joist Size and Spacing Living area 40 psf LL#2 Douglas fir-larchDead load 10 psfSpan 14’Table R502.3.1(2)JoistSpacingJoistSizeSpan12” O.C.2x814 – 216” O.C.2 x 1015 – 719.2” O.C.2 x 1014 – 324” O.C.2 x 1214 – 92015 IRC EssentialsWorkbook Page 8374Workbook Page 86Copyright 2015 International Code Council37
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsFastener Schedule for FloorFraming IRC Table R602.3(1)Fastener Schedule for Structural Members Common nailsDescriptionRim joist to plate, toe nailJoist to sill or girder, toe nailJoists lapped at bearingsupport, face nailBuilt-up girders and beams2015 IRC EssentialsNails8d3 - 8dSpacing6” O.C.–3 - 10dIRC Section R502.6.110d24” O.C. at top and bottom andstaggered. Three nails at endsand at each splice.Workbook Page 8475Deck Attachment Deck ledger connection to: 2” band joist; or 1 x 9½ Douglas Fir LVL rimboard Fasteners ½” diameter lag screws orbolts with washers Hot-dipped galvanized orstainless steel Lag screws full-depth throughrim joist Fasteners staggered alonglength of ledger2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 897638
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsDeck Joists and Beams Prescriptive methods for joists and beams in deckconstruction. Spans & bearing requirements2015 IRC Essentials77Wall Framing Size and spacing ofstuds is related to: Number of floors beingsupported With or without theadditional load of theroof-ceiling assembly2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 907839
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsExample 6-3Stud Size and Spacing Determine the minimum size, maximum heightand maximum spacing of standard studs in anexterior bearing wall Given: 3 stories of wood framing (walk-out basement plus 2stories) Standard- or stud-grade lumber2015 IRC EssentialsWorkbook Page 9279Example 6-3Stud Size and Spacing Table R602.3(5)BearingandWalls Spacing ofNonbearingWalls Size, dStud Height(feet)MaximumSpacingWhenSupporting aRoof/CeilingAssembly ora tingOne Floor,Plus aRoof/CeilingAssembly ora Two Floors,Plus aRoof/CeilingAssembly ora One FloorOnlyLaterallyUnsupportedStud HeightMaximumSpacing2x3----------10’16”2x410 ft24”16”--24”14’24”3x410 ft24”24”16”24”14’24”2x510 ft24”24”--24”16’24”2x610 ft24”24”16”24”20’24”Stud height in bearingwalls is generally limited to 10’2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 928040
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsExample 6-4Header Size in Exterior Walls Given: Ground snow load 30 psfClear span roof trussCenter bearing floor framingBuilding width 28’Header span 7’#2 Douglas fir-larch2015 IRC EssentialsWorkbook Page 9581Example 6-4Header Size in Exterior WallsTable R602.7.1Ground snow load 30 psfBuilding width 28 feetSizeSpanJackstuds2-2x107-322-2x128-52Roof, ceiling, onecenter-bearing floor2-2x106-222-2x127-12Roof, ceiling, twocenter-bearing floors3-2x106-423-2x127-42SupportingRoof & Ceiling2015 IRC EssentialsCopyright 2015 International Code CouncilWorkbook Page 952-2x102-2x123-2x128241
2016 ICC Annual Conference Education ProgramsKansas City, MO2015 IRC EssentialsWall Bracing Wall bracing provides resistance to racking from lateralloads, primarily wind and seismic forces Amount
2015 IRC Essentials Workbook Page 2 3 2015 IRC Essentials 4 ICC Code Development Cycle New code published every 3 years 12 month cycle Codes divided into 3 groups 1. IBC, IPC, IMC, IFGC, IPSDC 2. IRC, IFC, IEBC, IECC, IPMC, ISPSC, IWUIC, IZC, ICCPC, Admin. 3. IgCC New Edition P
2015 IRC Transition from the 2009 IRC 34 2012 R308.4.2 Glazing Adjacent to Doors Glazing installed perpendicular to a door in a closed position and within 24in of the door only requires safety glazing if it is on the hinge side of an in-swinging door. 2015 IRC Transition from the 2009 IRC 35 2015 Glazing and Wet Surfaces 2012 IRC 2015 IRC
IRC brand guidelines Version 1 / November 2013 This is the first official IRC brand guideline following rebranding by Fallon. Preface 2 Dear colleagues, Welcome to IRC's new brand guidelines. The following 97 vibrant and disruptive pages will guide you through the process of applying IRC's
section of the IRC. IRC Sections 61, 61(a)(1), 3121, 3401 . More than one IRC section may apply to the same benefit. For example, education expenses up to 5,250 may be excluded from tax under IRC Section 127. Amounts for additional education expenses exceeding 5,250 may be excluded from tax under IRC Section 132(d).
IRC:SP-83) 76. IRC:78-2014 Standard Specifications and Code of Practice for Road Bridges, Section VII- Foundations and Substructures (Revised Edition) 700.00 40.00 77. IRC:79-2019 Recommended Practice for Road Delineators (First Revision) 300.00 20.00 78. IRC:80-1981 Type Designs for Pick-up Bus Stops on Rural (i.e., Non-Urban) Highways
Essentials of Knowledge Management,Bryan Bergeron Essentials of Patents,Andy Gibbs and Bob DeMatteis Essentials of Payroll Management and Accounting,Steven M.Bragg Essentials of Shared Services,Bryan Bergeron Essentials of Supply Chain Management,Michael Hugos Essentials of Trademarks and Unfair Competition,
2012 IRC Simplified Wall Bracing Provisions 4/28/2015 3 7 Goal Participants will successfully apply the provisions of Section R602.12 of the 2012 IRC to problems involving bracing requirements for wood-framed residential structures in their region. 2012 IRC Simplified Wall Bracing 8 Objectives Upon Completion of this webinar, you will be able to:
IRC 2015 36 Appendix H Continued (IRC 2012 25) IRC 2015 37 Appendix J New . 2015 INTERNATIONAL BUILDING CODE. Number Section New / Continued IBC 2015 01 403.2.1 Continued (IBC 2012
Por Alfredo López Austin * I. Necesidad conceptual Soy historiador; mi objeto de estudio es el pensamiento de las sociedades de tradición mesoamericana, con énfasis en las antiguas, anteriores al dominio colonial europeo. Como historiador no encuentro que mi trabajo se diferencie del propio del antropólogo; más bien, ignoro si existe alguna conveniencia en establecer un límite entre .
