District Of Columbia Construction Codes 2013

DEPARTMENT OF CONSUMER AND REGULATORY AFFAIRSCONSTRUCTION CODES COORDINATING BOARDNOTICE OF FINAL RULEMAKINGDistrict of Columbia Construction Codes Supplement of 2013The Chairperson of the Construction Codes Coordinating Board (Chairperson), pursuant to theauthority set forth in Section 10 of the Construction Codes Approval and Amendments Act of1986 (Act), effective March 21, 1987 (D.C. Law 6-216; D.C. Official Code § 6-1409 (2012Repl.)) and Mayor’s Order 2009-22, dated February 25, 2009, as amended, hereby gives noticeof the adoption of the following amendments to Title 12 (D.C. Construction Codes Supplementof 2008) of the District of Columbia Municipal Regulations (DCMR), as well as the renaming ofTitle 12.This rulemaking adopts and amends the following codes published by the International CodeCouncil (ICC), as amended by this rulemaking in a new District of Columbia ConstructionCodes Supplement of 2013, as the District of Columbia Construction Codes: the 2012 edition ofthe International Building Code; the 2012 edition of the International Residential Code; the 2012edition of the International Fuel Gas Code; the 2012 edition of the International MechanicalCode; the 2012 edition of the International Plumbing Code; the 2012 edition of the InternationalProperty Maintenance Code; the 2012 edition of the International Fire Code; the 2012 edition ofthe International Energy Conservation Code; the 2012 edition of the International ExistingBuilding Code; the 2012 edition of the International Green Construction Code; the 2012 editionof the International Swimming Pool and Spa Code; and the 2011 edition of the NationalElectrical Code (NFPA 70), published by the National Fire Protection Association.With the exception of projects grandfathered pursuant to Section 123 of the District of ColumbiaBuilding Code Supplement, 12 DCMR A, this rulemaking repeals the D.C. Construction CodesSupplement of 2008, effective December 26, 2008 (published at 55 DCR 13094), which adoptedand amended the following codes published by the ICC: the 2006 edition of the ICCInternational Building Code; the 2006 edition of the ICC International Residential Code; the2006 edition of the ICC International Fuel Gas Code; the 2006 edition of the ICC InternationalMechanical Code; the 2006 edition of the ICC International Plumbing Code; the 2006 edition ofthe ICC International Property Maintenance Code; the 2006 edition of the ICC International FireCode; the 2006 edition of the ICC International Energy Conservation Code; the 2006 edition ofthe ICC International Existing Building Code; and the 2005 edition of the National ElectricalCode (NFPA 70) published by the National Fire Protection Association.A Notice of Third Proposed Rulemaking was published on October 4, 2013 at 60 DCR 13763and reflected changes made in response to comments submitted by the public. The Third Noticesuperseded a Notice of Proposed Rulemaking published on December 7, 2012 at 59 DCR 14179and a Notice of Second Proposed Rulemaking published on May 31, 2013 at 60 DCR 7728.The District of Columbia Building Code (2013), referred to as the ―Building Code,‖ consists of the 2012 edition of the International BuildingCode as amended by the District of Columbia Building Code Supplement (2013)(12 DCMR A). The International Building Code is copyrightedby the International Code Council and therefore is not republished here. However, a copy of the text may be obtained /index.htm?bu IC-P-2012-000001&bu2 IC-P-2012-000019.2013 DISTRICT OF COLUMBIA BUILDING CODE SUPPLEMENT1

Pursuant to Section 10(a) of the Act, a proposed resolution approving the third proposedamendments was submitted to the Council of the District of Columbia, on December 9, 2013 fora forty-five (45) day period of review. The 45-day period of review having expired on March 5,2014 with no Council action to approve or disapprove the proposed resolution, the proposedamendments are deemed approved.No substantive changes were made to the final rulemaking. These rules were adopted as final bythe Chairperson on March 20, 2014 and will become effective upon publication in the D.C.Register.Title 12 (D.C. Construction Codes Supplement of 2008) of the District of ColumbiaMunicipal Regulations is amended as follows:The title of Title 12 is renamed as the District of Columbia Construction Codes Supplementof 2013.Subtitle 12-A (Building Code Supplement of 2008) is repealed in its entirety and replacedwith a new Building Code Supplement of 2013.Subtitle 12-B (Residential Code Supplement of 2008) is repealed in its entirety and replacedwith a new Residential Code Supplement of 2013.Subtitle 12-C (Electrical Code Supplement of 2008) is repealed in its entirety and replacedwith a new Electrical Code Supplement of 2013.Subtitle 12 D (Fuel Gas Code Supplement of 2008) is repealed in its entirety and replacedwith a new Fuel Gas Code Supplement of 2013.Subtitle 12-E (Mechanical Code Supplement of 2008) is repealed in its entirety andreplaced with a new Mechanical Code Supplement of 2013.Subtitle 12-F (Plumbing Code Supplement of 2008) is repealed in its entirety and replacedwith a new Plumbing Code Supplement of 2013.Subtitle 12-G (Property Maintenance Code Supplement of 2008) is repealed in its entiretyand replaced with a new Property Maintenance Code Supplement of 2013.Subtitle 12-H (Fire Code Supplement of 2008) is repealed in its entirety and replaced with anew Fire Code Supplement of 2013.Subtitle 12-I (Energy Conservation Code Supplement of 2008) is repealed in its entiretyand replaced with a new Energy Conservation Code Supplement of 2013.The District of Columbia Building Code (2013), referred to as the ―Building Code,‖ consists of the 2012 edition of the International BuildingCode as amended by the District of Columbia Building Code Supplement (2013)(12 DCMR A). The International Building Code is copyrightedby the International Code Council and therefore is not republished here. However, a copy of the text may be obtained /index.htm?bu IC-P-2012-000001&bu2 IC-P-2012-000019.2013 DISTRICT OF COLUMBIA BUILDING CODE SUPPLEMENT2

Subtitle 12-J (Existing Building Supplement of 2008) is repealed in its entirety and replacedwith a new Existing Building Code Supplement of 2013.Subtitle 12-K (Fees) is redesignated as Subtitle M (Fees).A new Subtitle 12-K (Green Construction Code Supplement of 2013) is added.A new Subtitle 12-L (Swimming Pool and Spa Code Supplement of 2013) is added.For purposes of clarity, the following table lists each chapter of the ICC and NFPA 70 codesamended by the District of Columbia Construction Codes Supplement of 2013:SUBTITLE A – BUILDING CODE SUPPLEMENTChapter 1Chapter 2Chapter 3Chapter 4Chapter 5Chapter 7Chapter 9Chapter 10Chapter 12Chapter 14Chapter 15Chapter 16Chapter 18Chapter 26Chapter 30Chapter 31Chapter 32Chapter 33Chapter 34Chapter 35Appendix EAppendix NAdministration and EnforcementDefinitionsUse Group and ClassificationSpecial Detailed Requirements Based on Use and OccupancyGeneral Building Heights and AreasFire-Resistance-Related ConstructionFire Protection SystemsMeans of EgressInterior EnvironmentExterior WallsRoof Assemblies and Rooftop StructuresStructural DesignSoils and FoundationsPlasticElevators and Conveying SystemsSpecial ConstructionEncroachments into the Public Right-of-WaySafeguards During ConstructionExisting StructuresReferenced StandardsSupplementary Accessibility RequirementsSignsSUBTITLE B – RESIDENTIAL CODE SUPPLEMENTChapter 1Chapter 2Chapter 3Chapter 9Scope and AdministrationDefinitionsBuilding PlanningRoof AssembliesThe District of Columbia Building Code (2013), referred to as the ―Building Code,‖ consists of the 2012 edition of the International BuildingCode as amended by the District of Columbia Building Code Supplement (2013)(12 DCMR A). The International Building Code is copyrightedby the International Code Council and therefore is not republished here. However, a copy of the text may be obtained /index.htm?bu IC-P-2012-000001&bu2 IC-P-2012-000019.2013 DISTRICT OF COLUMBIA BUILDING CODE SUPPLEMENT3

Chapter 11Chapter 12Chapter 15Chapter 16Chapter 24Chapter 25Chapter 29Chapter 30Chapter 44Appendix EAppendix HAppendix JAppendix KAppendix MEnergy EfficiencyMechanical AdministrationExhaust SystemsDuct SystemsFuel GasPlumbing AdministrationWater Supply and DistributionSanitary DrainageReferenced StandardsManufactured Housing Used as DwellingsPatio CoversExisting Buildings and StructuresSound TransmissionHome Day Care – R-3 OccupanciesSUBTITLE C – ELECTRICAL CODE SUPPLEMENTArticle 90Chapter 4IntroductionEquipment for General UseSUBTITLE D – FUEL GAS CODE SUPPLEMENTChapter 1Chapter 2Chapter 5Chapter 8Scope and AdministrationDefinitionsChimneys and VentsReferenced StandardsSUBTITLE E – MECHANICAL CODE SUPPLEMENTChapter 1Chapter 2Chapter 4Chapter 5Chapter 6Chapter 8Chapter 9Chapter 10Chapter 11Chapter 15Scope and AdministrationDefinitionsVentilationExhaust SystemsDuct SystemsChimneys and VentsSpecific Appliances, Fireplaces and Solid Fuel-Burning EquipmentBoilers, Water Heaters and Pressure VesselsRefrigerationReferenced StandardsSUBTITLE F – PLUMBING CODE SUPPLEMENTChapter 1Scope and AdministrationThe District of Columbia Building Code (2013), referred to as the ―Building Code,‖ consists of the 2012 edition of the International BuildingCode as amended by the District of Columbia Building Code Supplement (2013)(12 DCMR A). The International Building Code is copyrightedby the International Code Council and therefore is not republished here. However, a copy of the text may be obtained /index.htm?bu IC-P-2012-000001&bu2 IC-P-2012-000019.2013 DISTRICT OF COLUMBIA BUILDING CODE SUPPLEMENT4

Chapter 2Chapter 3Chapter 4Chapter 6Chapter 7Chapter 8Chapter 11Chapter 13Chapter 14DefinitionsGeneral RegulationsFixtures, Faucets and Fixture FittingsWater Supply and DistributionSanitary DrainageIndirect/Special WasteStorm DrainageNonliquid Saturated Treatment SystemsReferenced StandardsSUBTITLE G – PROPERTY MAINTENANCE CODE SUPPLEMENTChapter 1Chapter 2Chapter 3Chapter 4Chapter 5Chapter 6Chapter 7Chapter 8Administration and EnforcementDefinitionsRequirementsLight, Ventilation and Occupancy LimitationsPlumbing Facilities and Fixture RequirementsMechanical and Electrical RequirementsFire Safety RequirementsReferenced StandardsSUBTITLE H – FIRE CODE SUPPLEMENTChapter 1Chapter 2Chapter 3Chapter 5Chapter 6Chapter 9Chapter 10Chapter 11Chapter 56Chapter 61Appendix BAppendix CAppendix DAppendix HAdministration and EnforcementDefinitionsGeneral RequirementsFire Service FeaturesBuilding Services and SystemsFire Protection SystemsMeans of EgressConstruction Requirements for Existing BuildingsExplosives and FireworksLiquefied Petroleum GasesFire-Flow Requirements for BuildingsFire Hydrant Locations and DistributionFire Apparatus Access RoadsHazardous Materials Management Plan (HMMP) and Hazardous MaterialsInventory Statement (HMIS) InstructionsSUBTITLE I – ENERGY CONSERVATION CODE SUPPLEMENTChapter 1[CE] AdministrationThe District of Columbia Building Code (2013), referred to as the ―Building Code,‖ consists of the 2012 edition of the International BuildingCode as amended by the District of Columbia Building Code Supplement (2013)(12 DCMR A). The International Building Code is copyrightedby the International Code Council and therefore is not republished here. However, a copy of the text may be obtained /index.htm?bu IC-P-2012-000001&bu2 IC-P-2012-000019.2013 DISTRICT OF COLUMBIA BUILDING CODE SUPPLEMENT5