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Ministry ofMunicipal AffairsMinistère desAffaires municipalesBuilding and Development Branch777 Bay St., 23rd FloorToronto ON M5G 2E5Telephone: (416) 585-6656Fax: (416) 585-7455www.ontario.ca/buildingcodeDirection du bâtiment et de l'aménagement777, rue Bay, 23é étageToronto ON M5G 2E5Téléphone: (416) 585-6656Télécopieur: (416) 585-7455www.ontario.ca/buildingcodeJuly 7, 2016TO: BUILDING CODE USERSThe enclosed replacement pages to the 2012 Building Code Compendium Edition1 reflect recent revisionsto Supplementary Standards SB-5 and SB-12.In particular, Supplementary Standard SB-12 “Energy Efficiency for Housing” has been amended toinclude: changes to Chapter 1 which relate to revisions in Chapter 3 minor editorial changes to Chapter 2 which will continue to apply to construction for which a permithas been applied for before January 1, 2017 major revisions to 3 Chapter which will apply to construction for which a permit has been applied forafter December 31, 2016 which include:o new prescriptive compliance packages that provide minimum 15 per cent energy efficiencyimprovement over existing packageso drain water heat recovery units as a mandatory requirement for all prescriptive compliancepackageso heat or energy recovery ventilators as a mandatory requirement in all packages in order toprotect indoor air quality as homes get increasingly “air tight”o thermal U and effective RSI values along with nominal RSI values to provide added flexibilityin the choice of different assembly structures e.g. basement wall and roofso credits for reducing air leakage to encourage better energy conservationChanges to the Code are identified on the amendment pages by a unique symbol and a correspondingeffective date. These pages should be inserted in your Code now. Replaced pages should be kept forfuture reference.ServiceOntario Publications is the official publisher and vendor of the 2012 Building Code Compendiumand the amendment pages. You may contact ServiceOntario Publications by phone at 416-326-5300,1-800-668-9938 (toll-free), TTY 1-800-268-7095 or www.serviceontario.ca/publications.For further information, please visit the Building Code website at www.ontario.ca/buildingcode.Brenda LewisDirectorEncl.1The Compendium is not an official copy of the Act and Code. Official copies of the legislation can be accessed fromwww.e-laws.gov.on.ca.Effective Date: July 7, 2016Issued July 7, 2016

Issued July 7, 2016Effective Date: July 7, 2016

Ministry of Municipal AffairsBuilding and Development Branch2012 Building Code Compendium2012 Building Code CompendiumVolume 1July 7, 2016 update(Containing MR-16-S-25 and MR-16-S-26)Effective Date: July 7, 2016Issued July 7, 2016

Volume 12012 Building Code CompendiumCOMMENCEMENTOntario Regulation 332/12 comes into force on the 1st day of January, 2014.r1 Amending Ontario Regulation 151/13 comes into force on the 1st day of January, 2014.r2 Amending Ontario Regulation 360/13 comes into force on the 1st day of January, 2014.r2.1 Amending Ontario Regulation 360/13 comes into force on the 1st day of January, 2015.r3 Amending Ontario Regulation 361/13 comes into force on the 1st day of January, 2014.r3.1 Amending Ontario Regulation 361/13 comes into force on the 1st day of January, 2015.r4 Amending Ontario Regulation 368/13 comes into force on the 1st day of January, 2015.r5 Amending Ontario Regulation 191/14 comes into force on the 1st day of January, 2015.m1 Ruling of the Minister of Municipal Affairs and Housing (Minister’s Ruling) MR-13-S-24 comes into force on the 1st day ofJanuary 2014.m2 Ruling of the Minister of Municipal Affairs (Minister’s Ruling) MR-16-S-25 comes into force on the 7th day of July 2016.m3 Ruling of the Minister of Municipal Affairs (Minister’s Ruling) MR-16-S-26 comes into force on the 7th day of July 2016.EDITORIALe1 Editorial correction issued for January 1st, 2014.e2 Editorial correction issued for January 1st, 2014.e2.1 Editorial correction issued for January 1st, 2015.e3 Editorial correction issued for January 1st, 2015.e4 Editorial correction issued for July 7th, 2016.COVER PHOTO CREDITS1.2.3.4.5.6.7.8.12345678Stephen Hawking Centre at the Perimeter Institute of Theoretical Physics; Teeple Architects Inc.; Scott NorsworthyPhotographyLawren Harris House; Drew Mandel Architects; Tom Arban Photography Inc.Sisters of St. Joseph Motherhouse; Teeple Architects Inc.; Shai Gil PhotographyJames Bartleman Archives and Library Materials Centre; Shoalts & Zaback Architects Ltd. / Barry J. Hobin &Associates Architects Inc.; Tom Arban Photography Inc.Ottawa Convention Centre; bbb architects; William P. McElligott PhotographyRenfrew County Courthouse; NORR Limited Architects Engineers & Planners; Steven Evans PhotographyStephen Hawking Centre at the Perimeter Institute of Theoretical Physics; Teeple Architects Inc.; Shai Gil PhotographyJames Bartleman Archives and Library Materials Centre; Shoalts & Zaback Architects Ltd. / Barry J. Hobin &Associates Architects Inc.; Tom Arban Photography Inc. Copyright Queen's Printer for Ontario, 2016ISBN 978-1-4606-4420-1 (set)ISBN 978-1-4606-4421-8 (vol. 1)ISBN 978-1-4606-8537-2 (July 7, 2016 update - Print)ISBN 978-1-4606-8538-9 (July 7, 2016 update - PDF)All rights reserved.Questions regarding copyright, including reproduction and distribution, may be directed to the Director, Buildingand Development Branch, of the Ministry of Municipal Affairs.Issued July 7, 2016Effective Date: July 7, 2016

2012 Building Code CompendiumCode Amendment HistoryThe first Ontario Building Code was issued in 1975. The 1975 and subsequent editions of the Building Code have beenissued as follows:Building Code EditionDate FiledEffective DateO. Reg. 925/75 (1975 Building Code)November 24, 1975December 31, 1975O. Reg. 583/83 (1983 Building Code)September 15, 1983November 30, 1983O. Reg. 419/86 (1986 Building Code)July 18, 1986October 20, 1986O. Reg. 413/90 (1990 Building Code)July 30, 1990October 1, 1990O. Reg. 403/97 (1997 Building Code)November 3, 1997April 6, 1998O. Reg. 350/06 (2006 Building Code)June 28, 2006December 31, 2006O. Reg. 332/12 (2012 Building Code)November 2, 2012January 1, 2014The following Table lists the amendments to the 2012 Building Code made since the filing of O. Reg. 332/12.Regulatory Amendments to the 2012 Building Code – Ontario Regulation 332/12AmendmentDate FiledEffective DateO. Reg. 151/13May 9, 2013January 1, 2014O. Reg. 360/13December 20, 2013O. Reg. 361/13December 20, 2013January 1, 2014January 1, 2015Nature of AmendmentSprinklering of retirement homesFeesJanuary 1, 2014Housekeeping changes, fireplace emission limitsRevise Supplementary Standard SA-1January 1, 2015EIFSO. Reg. 368/13December 27, 2013January 1, 2015AccessibilityO. Reg. 191/14September 23,2014January 1, 2015Midrise wood construction, accessibility, housekeeping changesRevise Supplementary Standards SA-1, SB-1, SB-2, SB-3, SB-12Volume 1Effective Date: July 7, 2016xvIssued July 7, 2016

2012 Building Code CompendiumThe following Table lists Minister’s Rulings that have been made to adopt amendments to codes, formulae, standards,guidelines or procedures referenced in the 2012 Building Code.Minister’s Rulings to adopt amendments to codes, formulae, standards, guidelines or procedures referenced in the 2012 Building CodeRuling NumberDate of RulingEffective DateMR-13-S-24September 1, 2013January 1, 2014MR-16-S-25July 7, 2016July 7, 2016Revise Table 1.3.1.2. of Division BRevise Supplementary Standard SB-5MR-16-S-26July 7, 2016July 7, 2016Revise Table 1.3.1.2. of Division BRevise Supplementary Standard SB-12xviIssued July 7, 2016Nature of AmendmentRevise Table 1.3.1.2. of Division BRevise Supplementary Standards SA-1, SB-5 and SB-12Volume 1Effective Date: July 7, 2016

2012 Building Code CompendiumTable 1.3.1.2. (Cont’d)Documents Referenced in the Building CodeForming Part of Sentence 1.3.1.2.(1)r5Issuing Agencym21.3.1.2.Document NumberTitle of Document(1)MMAHSupplementary StandardSB-1, September 2,Climatic and Seismic Data2014MMAHSupplementary StandardFire Performance RatingsSB-2, September 2,2014MMAHSupplementary StandardFire and Sound Resistance of Building AssembliesSB-3, September 2,2014MMAHSupplementary StandardMeasures for Fire Safety in High BuildingsSB-4, September 14,2012MMASupplementary StandardApproved Sewage Treatment UnitsSB-5, July 7, 2016Column 12Code .10.4.(1)9.4.1.1.(3)9.4.2.2.(1)Table 9.25.5.2.Table .6.5.(3)3.2.6.9.(1)3.2.6.10.(2)3.2.6.14.(1)Table 11.5.1.1.C.Table 11.5.1.1.D/E.Table 11.5.1.1.F.8.6.2.2.(5)3Division B – Part 1Effective Date: July 7, 2016421Issued July 7, 2016

1.3.1.2.2012 Building Code CompendiumTable 1.3.1.2. (Cont’d)Documents Referenced in the Building CodeForming Part of Sentence 1.3.1.2.(1)r5Issuing AgencyMMAHMMAHMMAHMMAHm3Document NumberSupplementary StandardSB-6, September 14,2012Supplementary StandardSB-7, September 14,2012Supplementary StandardSB-8, September 14,2012Supplementary StandardSB-9, September 14,2012Title of Document(1)Code ReferencePercolation Times and Soil Descriptions8.2.1.2.(2)Guards for Housing and Small Buildings9.8.8.2.(5)Design, Construction and Installation of Anchorage Systems for FixedAccess Ladders3.6.1.5.(1)Requirements for Soil Gas Control9.13.4.1.(1)9.13.4.2.(2) to (4)MMAHSupplementary StandardEnergy Efficiency RequirementsSB-10, September 14,2012Table .1.(1)MMAHSupplementary StandardConstruction of Farm BuildingsSB-11, September 14,20121.3.1.2.(4) of Division AMMASupplementary StandardEnergy Efficiency for HousingSB-12, July 7, 2016Table 9.7.3.3.Table entary StandardGlass in GuardsSB-13, September 14,2012Supplementary StandardCode of Conduct for Registered Code AgenciesSC-1, September 14,20123.1.20.1.(1)3.7.4.1.(2) of Division CMOEPIBS 6879 2008Design Guidelines for Sewage Works7.1.5.5.(2)MOEPIBS 6881e 2008Design Guidelines for Drinking-Water Systems7.1.5.5.(1)NFPA2014 PublicationNational Fire Codes6.2.1.1.(1)Installation of Sprinkler Systems3.1.9.1.(4); 3.2.4.9.(2)3.2.4.17.(1); 3.2.5.13.(1)3.2.8.4.(7); 3.3.2.12.(3)3.15.1.1.(3); 3.15.1.1.(4)3.15.1.5.(2); 3.15.1.6.(2)3.15.2.1.(1); 3.15.2.2.(1)3.15.3.1.(1); PA14-2010Installation of Standpipe and Hose Systems3.2.9.2.(1)NFPA20-2010Installation of Stationary Pumps for Fire Protection3.2.4.10.(4)3.2.5.19.(1)Column 122Issued July 7, 2016Installation of Sprinkler Systems in One- and Two-Family Dwellings and3.2.5.13.(3)Manufactured HomesInstallation of Sprinkler Systems in Residential Occupancies up to and3.2.5.13.(2)including Four Stories in Height23Division B – Part 1Effective Date: July 7, 20164

2012 Building Code Compendium3.2.5.6.3.2.5.13.Access Route DesignA portion of a roadway or yard provided as a required access route for fire department use shall,have a clear width not less than 6 m, unless it can be shown that lesser widths are satisfactory,have a centreline radius not less than 12 m,have an overhead clearance not less than 5 m,have a change of gradient not more than 1 in 12.5 over a minimum distance of 15 m,be designed to support the expected loads imposed by firefighting equipment and be surfaced with concrete, asphaltor other material designed to permit accessibility under all climatic conditions,(f) have turnaround facilities for any dead-end portion of the access route more than 90 m long, and(g) be connected with a public thoroughfare.(See Appendix A.)(1)(a)(b)(c)(d)(e)r5(2) A building within the scope of Article 3.2.2.43A. or 3.2.2.50A. shall have no portion of the required access routemore than 20 m below the floor level of the uppermost storey or mezzanine that is not a rooftop enclosure, provided forelevator machinery, a stairway or a service room used for no purpose other than for service to the building.3.2.5.7.Water Supply (See Appendix A.)(1) An adequate water supply for firefighting shall be provided for every building.(2) Hydrants shall be located within 90 m horizontally of any portion of a building perimeter that is required to face astreet in Subsection 3.2.2.3.2.5.8.Reserved3.2.5.9.Reserved3.2.5.10. Reserved3.2.5.11. Reserved3.2.5.12. Reserved3.2.5.13. Automatic Sprinkler Systemsr1(1) Except as provided by Sentences (2) to (4), an automatic sprinkler system shall be designed, constructed, installedand tested in conformance with NFPA 13, “Installation of Sprinkler Systems”. (See Appendix A.)(2) NFPA 13R, “Installation of Sprinkler Systems in Residential Occupancies up to and Including Four Stories inHeight”, is permitted to be used for the design, construction, installation and testing of an automatic sprinkler systeminstalled in a building,(a) of residential occupancy that is not more than 4 storeys in building height, or(b) of Group B, Division 3 occupancy that contains sleeping accommodation for not more than 10 persons and not morethan six occupants require assistance in evacuation in case of an emergency.r5(3) Except as required by Sentence (9), NFPA 13D, “Installation of Sprinkler Systems in One- and Two-FamilyDwellings and Manufactured Homes”, is permitted to be used for the design, construction, installation and testing of anautomatic sprinkler system installed in a building of residential occupancy that contains not more than two dwelling units.(4) If a building contains fewer than nine sprinklers, the water supply for these sprinklers is permitted to be suppliedfrom the domestic water system for the building provided the required flow for the sprinklers can be met by the domesticsystem.Division B – Part 3Effective Date: July 7, 201695Issued July 7, 2016

3.2.5.13.2012 Building Code Compendium(5) If a water supply serves both an automatic sprinkler system and a system serving other equipment, control valvesshall be provided so that either system can be shut off independently.r5(6) Despite the requirements of the standards referenced in Sentences (1) and (2) for the installation of automaticsprinkler systems, sprinklers shall not be omitted in any room or closet in the storey immediately below a roof assembly ifthe fire-resistance rating of the roof assembly is waived as permitted by Article 3.2.2.17. (See Appendix A.)r5(7) Despite the requirements of the standards referenced in Sentences (1) and (2) for the installation of automaticsprinkler systems, sprinklers shall be provided for all balconies and decks forming part of a building within the scope ofArticle 3.2.2.43A. or 3.2.2.50A., other than,(a) balconies or decks that are not more than 610 mm in depth measured perpendicular to the exterior wall of thebuilding, or(b) decks on the uppermost roof of the building.(See Appendix A.)e4r5(8) Sprinklers in elevator machine rooms shall have a temperature rating not less than that required for an intermediatetemperature classification and shall be protected against physical damage. (See Appendix A.)r5(9) The sprinkler system described in Sentence (3) shall be provided with a minimum 20 min water supply wheninstalled in a retirement home regulated under the Retirement Homes Act, 2010.3.2.5.14. Combustible Sprinkler Piping(1) Combustible sprinkler piping shall be used only for wet systems in residential occupancies and other light hazardoccupancies. (See Appendix A.)(2) Combustible sprinkler piping shall meet the requirements of ULC/ORD-C199P, “Combustible Piping for SprinklerSystems”.(3) Except as permitted by Sentence (5), combustible sprinkler piping shall be separated from the area served by thesprinkler system, and from any other fire compartment, by ceilings, walls, or soffits consisting of, as a minimum,(a) lath and plaster,(b) gypsum board not less than 9.5 mm thick,(c) plywood not less than 13 mm thick, or(d) a suspended membrane ceiling with,(i) steel suspension grids, and(ii) lay-in panels or tiles having a mass not less than 1.7 kg/m2.(4) Except as permitted by Sentence (5), combustible sprinkler piping may be located above a ceiling, provided that thedistance between the edge of any ceiling opening that is not protected in conformance with Sentence (3) and the nearestsprinkler is not more than 300 mm.(5) The protection required by Sentences (3) and (4) is permitted to be waived where combustible sprinkler piping hasbeen tested in conformance with ULC/ORD-C199P, “Combustible Piping for Sprinkler Systems”, and has been shown tomeet the requirements in that document without additional protection.3.2.5.15. Sprinklered Service Space(1) An automatic sprinkler system shall be installed in a service space referred to in Sentence 3.2.1.1.(9) if flooring foraccess within the service space is other than catwalks.(2) The sprinkler system required by Sentence (1) shall be equipped with waterflow detecting devices, with each deviceserving not more than 1 storey.96Issued July 7, 2016Division B – Part 3Effective Date: July 7, 2016

Ministry of Municipal Affairs and HousingBuilding and Development Branch2012 Building Code Compendium2012 Building Code CompendiumVolume 2July 7, 2016 updateEffective Date: July 7, 2016Issued July 7, 2016

Volume 22012 Building Code CompendiumCOMMENCEMENTSupplementary Standards SA-1, SB-1 to SB-13 and SC-1 come into force on the 1st day of January, 2014.See “Code Amendment History” page in the Preface of Volume 1 for information concerning amendments toSupplementary Standards issued through Minister’s Rulings.a1 Amendment made to Appendix A or B issued for January 1st, 2014.a2 Amendment made to Appendix A or B issued for January 1st, 2014.a2.1 Amendment made to Appendix A or B issued for January 1st, 2015.a3 Amendment made to Appendix A or B issued for January 1st, 2015.a4 Amendment made to Appendix A or B issued for July 7th, 2016.EDITORIALe1 Editorial correction issued for January 1st, 2014.e2 Editorial correction issued for January 1st, 2014.e2.1 Editorial correction issued for January 1st, 2015.e3 Editorial correction issued for January 1st, 2015.e4 Editorial correction issued for July 7th, 2016.COVER PHOTO CREDITS1.2.3.4.5.6.7.8.12345678Stephen Hawking Centre at the Perimeter Institute of Theoretical Physics; Teeple Architects Inc.; Scott NorsworthyPhotographyLawren Harris House; Drew Mandel Architects; Tom Arban Photography Inc.Sisters of St. Joseph Motherhouse; Teeple Architects Inc.; Shai Gil PhotographyJames Bartleman Archives and Library Materials Centre; Shoalts & Zaback Architects Ltd. / Barry J. Hobin &Associates Architects Inc.; Tom Arban Photography Inc.Ottawa Convention Centre; bbb architects; William P. McElligott PhotographyRenfrew County Courthouse; NORR Limited Architects Engineers & Planners; Steven Evans PhotographyStephen Hawking Centre at the Perimeter Institute of Theoretical Physics; Teeple Architects Inc.; Shai Gil PhotographyJames Bartleman Archives and Library Materials Centre; Shoalts & Zaback Architects Ltd. / Barry J. Hobin &Associates Architects Inc.; Tom Arban Photography Inc. Copyright Queen's Printer for Ontario, 2016ISBN 978-1-4606-4420-1 (set)ISBN 978-1-4606-4422-5 (vol. 2)ISBN 978-1-4606-8537-2 (July 7, 2016 update – Print)ISBN 978-1-4606-8538-9 (July 7, 2016 update – PDF)All rights reserved.Questions regarding copyright, including reproduction and distribution, may be directed to the Director, Buildingand Development Branch, of the Ministry of Municipal Affairs.Issued July 7, 2016Effective Date: July 7, 2016

2012 Building Code CompendiumDiv. A A-1.4.1.3.Public Heritage BuildingThis definition addresses smaller heritage buildings that are to be made available to the public for viewing

The first Ontario Building Code was issued in 1975. The 1975 and subsequent editions of the Building Code have been issued as follows: Building Code Edition Date Filed Effective Date O. Reg. 925/75 (1975 Building Code) November 24, 1975 December 31, 1975 O. Reg. 583/83 (1983 Building Code) September 15, 1983 November 30, 1983