{"id":2987,"date":"2023-08-02T14:07:34","date_gmt":"2023-08-02T18:07:34","guid":{"rendered":"https:\/\/cbhcc-cchcc.ca\/?page_id=2987"},"modified":"2023-08-04T14:09:34","modified_gmt":"2023-08-04T18:09:34","slug":"significant-technical-changes-2020-national-model-codes","status":"publish","type":"page","link":"https:\/\/cbhcc-cchcc.ca\/en\/significant-technical-changes-2020-national-model-codes\/","title":{"rendered":"Significant technical changes \u2013 2020 National Model Codes"},"content":{"rendered":"<div class=\"clearfix visible-xs\"><\/div>\n<p class=\"s1\">Nearly 400 technical changes approved by the Canadian Commission on Building and Fire Codes (CCBFC)<a href=\"#ccbfc-1\"><sup id=\"fnt-1\">1<\/sup><\/a> were introduced in the 2020 editions of Canada\u2019s National Model Codes. The most significant technical changes are summarized below.<\/p>\n<h2 class=\"s1\">National Building Code of Canada (<abbr title=\"National Building Code of Canada\">NBC<\/abbr>)<\/h2>\n<h3 class=\"s1\">Division A<\/h3>\n<style id=\"ea_dynamic_css2995\">#sp-ea-2995 .spcollapsing{height: 0; overflow: hidden; transition-property: height; transition-duration: 500ms;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single.eap_inactive>.ea-header a {background-color: #bb0000 !important; color: #fff !important;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single{ margin-bottom: 10px; border: 1px solid #e2e2e2; border-radius: 3px;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single.ea-expand{ border-color: #e2e2e2;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single:hover{ border-color: #e2e2e2;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header a {background: #ffffff;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a {background: #eee;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header:hover a {background: #ffffff;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-icon { color: #444;font-size: 20px;} #sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-custom-icon {max-width: 20px;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header:hover a .eap-title-icon {color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a .eap-title-icon {color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header a {padding: 15px 15px 15px 15px; color: #444; font-size: 20px; line-height: 30px; text-align: left; letter-spacing: 0px; text-transform: none;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header:hover a {color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a {color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body p,#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body{background: #fff; padding: 15px 15px 15px 15px; border-radius: 0 0 3px 3px; color: #444; font-size: 16px; text-align: left; letter-spacing: 0px; line-height: 26px; animation-delay: 200ms; text-transform: none;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon.fa:before {color: #444; font-size: 16px; font-style: normal;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header:hover a .ea-expand-icon.fa:before {color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a .ea-expand-icon.fa:before {color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single{border-radius: 3px; border: 1px solid #e2e2e2;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body{border-radius: 0 0 3px 3px; border: none;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon.fa {float: left; margin-right: 10px;}#sp-ea-2995 #eap_faq_search_bar_container {display:none; opacity:0;}#sp-ea-2995 #eap_faq_search_bar_container span::before{content:\"\";}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body p{ padding:0px}#sp-ea-2995>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price {color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price del{color: rgba(68,68,68,0.71);}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a { border: 1px solid #DAD6DA;border-radius: 2px;background-color: transparent;color: #444;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a:hover { border-color: #444;background-color: #444;color: #fff;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>>.sp-collapse>.ea-body .eap-product-cart-button .eap-product-quantity .eap_input_text {border: 1px solid #DAD6DA;}#sp-ea-2995.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button a.add_to_cart_button{position: relative;}<\/style><div id=\"sp-eap-accordion-section-2995\" class=\"sp-eap-container\"><div id=\"sp-ea-2995\" class=\"sp-ea-one sp-easy-accordion \" data-ex-icon=\"fa-caret-right\" data-col-icon=\"fa-caret-down\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-ea-multi-column=\"\" data-ea-coll=\"\" data-keep-accordion=\"\" data-autoclose=\"\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\" data-autoplaytime=\"3000\" data-expand=\"\" data-post-id=\"2995\" data-accordion_mode=\"ea-all-close\">\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"0\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29950\" href=\"#\" data-title=\"efaq-part-1-compliance\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Part 1: Compliance\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29950\" data-parent=\"#sp-ea-2995\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Large farm buildings<\/h4>\n<p>Application provisions are added to allow requirements for large farm buildings to be introduced into the NBC. A new major occupancy classification is also added: Group G, agricultural occupancy.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t<\/div><\/div>\n<h3 class=\"s1\">Division B<\/h3>\n<style id=\"ea_dynamic_css2994\">#sp-ea-2994 .spcollapsing{height: 0; overflow: hidden; transition-property: height; transition-duration: 500ms;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single.eap_inactive>.ea-header a {background-color: #bb0000 !important; color: #fff !important;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single{ margin-bottom: 10px; border: 1px solid #e2e2e2; border-radius: 3px;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single.ea-expand{ border-color: #e2e2e2;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single:hover{ border-color: #e2e2e2;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header a {background: #ffffff;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a {background: #eee;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header:hover a {background: #ffffff;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-icon { color: #444;font-size: 20px;} #sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-custom-icon {max-width: 20px;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header:hover a .eap-title-icon {color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a .eap-title-icon {color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header a {padding: 15px 15px 15px 15px; color: #444; font-size: 20px; line-height: 30px; text-align: left; letter-spacing: 0px; text-transform: none;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header:hover a {color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a {color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body p,#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body{background: #fff; padding: 15px 15px 15px 15px; border-radius: 0 0 3px 3px; color: #444; font-size: 16px; text-align: left; letter-spacing: 0px; line-height: 26px; animation-delay: 200ms; text-transform: none;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon.fa:before {color: #444; font-size: 16px; font-style: normal;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header:hover a .ea-expand-icon.fa:before {color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a .ea-expand-icon.fa:before {color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single{border-radius: 3px; border: 1px solid #e2e2e2;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body{border-radius: 0 0 3px 3px; border: none;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon.fa {float: left; margin-right: 10px;}#sp-ea-2994 #eap_faq_search_bar_container {display:none; opacity:0;}#sp-ea-2994 #eap_faq_search_bar_container span::before{content:\"\";}#sp-eap-accordion-section-2994 .eap_faq_collapse_button {text-align: left}#sp-eap-accordion-section-2994 .eap_faq_collapse_button a {color: #fff; background-color: #172f4c}#sp-eap-accordion-section-2994 .eap_faq_collapse_button a:hover {filter: brightness(90%)}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body p{ padding:0px}#sp-ea-2994>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price {color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price del{color: rgba(68,68,68,0.71);}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a { border: 1px solid #DAD6DA;border-radius: 2px;background-color: transparent;color: #444;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a:hover { border-color: #444;background-color: #444;color: #fff;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>>.sp-collapse>.ea-body .eap-product-cart-button .eap-product-quantity .eap_input_text {border: 1px solid #DAD6DA;}#sp-ea-2994.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button a.add_to_cart_button{position: relative;}<\/style><div id=\"sp-eap-accordion-section-2994\" class=\"sp-eap-container\">\t<div id=\"eap-faq-collapse-button-2994\" class=\"eap_faq_collapse_button\" data-expand-text=\"Expand All\" data-collapse-text=\"Collapse All\">\n\t\t<a href=\"#\">Collapse All\t\t\t<span><i class=\"fa fa-angle-down\"><\/i><\/span> \n\t\t\t<span><i class=\"fa fa-angle-up\"><\/i><\/i><\/span>\n\t\t<\/a>\n\t<\/div>\n\t<div id=\"sp-ea-2994\" class=\"sp-ea-one sp-easy-accordion \" data-ex-icon=\"fa-caret-right\" data-col-icon=\"fa-caret-down\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-ea-multi-column=\"\" data-ea-coll=\"\" data-keep-accordion=\"\" data-autoclose=\"\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\" data-autoplaytime=\"3000\" data-expand=\"1\" data-post-id=\"2994\" data-accordion_mode=\"ea-all-close\">\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"0\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29940\" href=\"#\" data-title=\"efaq-part-2-farm-buildings\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Part 2: Farm Buildings\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29940\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Large farm buildings<\/h4>\n<p>Technical requirements for large farm buildings are introduced as new Part 2 of Division B. This Part contains Sections focusing on general provisions, fire protection and occupant safety, structural loads and procedures, and heating, ventilating and air-conditioning (<abbr title=\"heating, ventilating and air-conditioning\">HVAC<\/abbr>).<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"1\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29941\" href=\"#\" data-title=\"efaq-part-3-fire-protection-occupant-safety-and-accessibility\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Part 3: Fire Protection, Occupant Safety and Accessibility\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29941\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Residential sprinklers<\/h4>\n<p>The application of NFPA 13D, \u201cStandard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes,\u201d is extended to row houses, allowing more economical and consistent approaches to sprinkler design.<\/p>\n<h4 class=\"ea-body\">Fire alarm systems<\/h4>\n<p>The effectiveness of fire alarm systems is increased by requiring a low-frequency audible signal in sleeping rooms, as well as visible signals in public corridors, washrooms, and at least 10% of the guest suites in hotels and motels.<\/p>\n<h4 class=\"ea-body\">Safety glazing (Parts 3 and 9)<\/h4>\n<p>To reduce the hazard posed by wired glass, safety glazing is required in windows and doors where human impact is possible in assembly occupancies. Safety glazing is also required in shower and bathtub enclosures regulated by Parts 3 and 9.<\/p>\n<h4 class=\"ea-body\">Accessibility<\/h4>\n<p>The accessibility of buildings is improved by revising the minimum dimensions of building elements to accommodate persons using various types of mobility devices and by increasing the visibility, detectability and ease of use of building elements by persons with reduced dexterity, vision or hearing. Requirements are introduced for universal washrooms and shower rooms, for visible and audible feedback signals, and for tactile safety signage. More pedestrian entrances and floor levels are required to be accessible.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"2\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29942\" href=\"#\" data-title=\"efaq-part-4-structural-design\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Part 4: Structural Design\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29942\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Earthquake design<\/h4>\n<p>Site coefficients are replaced by site designations, which allow uniform hazard spectra and amplified hazard curves to be determined directly from average shear wave velocity. Log\u2013log interpolation is added as an option for determining seismic hazard values at intermediate time periods. Seismic categories are introduced to represent the expected magnitude of inertial seismic force in a more realistic manner.<\/p>\n<h4 class=\"ea-body\">Earthquake load and effects<\/h4>\n<p>A definition of sloped column irregularity is introduced, and requirements for buildings with sloped columns are added. Requirements for buildings with large gravity-induced lateral demand are revised. The definition of vertical stiffness irregularity and the method of analysis permitted for buildings with this irregularity are revised, as are the related system restrictions for post-disaster buildings.<\/p>\n<p>System restrictions are introduced for High Importance Category buildings, which are likely to be used as post-disaster shelters, to improve their seismic performance. Additional performance requirements are added for post-disaster and<\/p>\n<p>High Importance Category buildings to improve their resistance to more frequent but less intense earthquakes.<\/p>\n<h4 class=\"ea-body\">Seismic force resisting systems<\/h4>\n<p>Two new types of steel seismic force resisting systems (<abbr title=\"seismic force resisting systems\">SFRSs<\/abbr>) are introduced. Two new types of SFRSs with cross-laminated timber shear walls (platform-type construction) are also introduced.<\/p>\n<h4 class=\"ea-body\">Solar panels<\/h4>\n<p>Procedures based on guidance from the Structural Commentaries (User\u2019s Guide \u2013 NBC 2015: Part 4 of Division B) are introduced for the determination of wind loads on roof-mounted solar panels to ensure that these additional wind loads are accounted for in the design of the building structure. Procedures are also introduced for the determination of snow loads on roofs with solar panels, as the installation of solar panels affects the quantity and distribution of snow on the roof.<\/p>\n<h4 class=\"s1-body\">Canopies and parapets<\/h4>\n<p>Procedures are introduced for the determination of wind loads on canopies attached to low buildings, on parapets, and on balcony guards near the roof to ensure that these additional loads are accounted for in the design of the building structure.<\/p>\n<h4 class=\"ea-body\">Serviceability<\/h4>\n<p>Guidance from the Structural Commentaries (User\u2019s Guide\u2014NBC 2015: Part 4 of\u00a0Division B) on serviceability loading criteria is revised and moved into the NBC to ensure that appropriate load combinations are used for serviceability limit state design.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"3\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29943\" href=\"#\" data-title=\"efaq-part-5-environmental-separation\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Part 5: Environmental Separation\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29943\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Material standards<\/h4>\n<p>New material standards applicable to environmental separators and assemblies exposed to the exterior are added: <abbr title=\"C A N\">CAN<\/abbr>\/<abbr title=\"C S A\">CSA<\/abbr>-A123.16, \u201cAsphalt-coated glass-base sheets,\u201d <abbr title=\"A S T M\">ASTM<\/abbr> C1280, \u201cStandard Specification for Application of Exterior Gypsum Panel Products for Use as Sheathing,\u201d <abbr title=\"C A N\">CAN<\/abbr>\/<abbr title=\"C G S B\">CGSB<\/abbr>-12.9, \u201cSpandrel glass,\u201d and <abbr title=\"C A N\">CAN<\/abbr>\/<abbr title=\"U L C\">ULC<\/abbr>-S717.1:2017, \u201cStandard for Flat Wall Insulating Concrete Form (<abbr title=\"Insulating Concrete Form\">ICF<\/abbr>) Units \u2013 Material Properties.\u201d<\/p>\n<h4 class=\"ea-body\">Air leakage<\/h4>\n<p>Air leakage requirements are revised to establish performance classes for air barrier assemblies and to provide a standardized method of testing both proprietary and generic assemblies.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"4\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29944\" href=\"#\" data-title=\"efaq-part-6-heating-ventilating-and-air-conditioning\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Part 6: Heating, Ventilating and Air-conditioning\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29944\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Legionella<\/h4>\n<p>Requirements for evaporative equipment and drain pans are revised to minimize the growth and transmission of Legionella and other bacteria.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"5\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29945\" href=\"#\" data-title=\"efaq-part-9-housing-and-small-buildings\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Part 9: Housing and Small Buildings\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29945\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Protection of windows<\/h4>\n<p>To minimize the risk of falls through windows, requirements for the protection of openable windows in residential occupancies are strengthened by removing exemptions related to dwelling type and window opening size, increasing the minimum sill height for unprotected windows, and prescribing more reliable control mechanisms.<\/p>\n<h4 class=\"ea-body\">Home-type care occupancy<\/h4>\n<p>Provisions for a new home-type care occupancy (Group B, Division 4) are introduced to allow safe and affordable care in a home-type setting.<\/p>\n<h4 class=\"ea-body\">Flat insulating concrete form (ICF) construction<\/h4>\n<p>The use of flat ICF construction is expanded to all types of Part 9 buildings with up to 2 storeys. Lateral support of flat ICF foundation walls is clarified. Screw sizes and spacings are specified for the attachment of cladding to the web fastening strips of ICF units.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"6\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29946\" href=\"#\" data-title=\"efaq-section-9-36-energy-efficiency\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Section 9.36.: Energy Efficiency\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29946\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Tiered energy performance compliance<\/h4>\n<p>A performance compliance path is established with 5 tiers, each successive tier being increasingly stringent in terms of house energy consumption and heat loss. In addition, a prescriptive compliance path based on energy conservation points is provided for Tier 2.<\/p>\n<h4 class=\"ea-body\">HVAC and service water heating<\/h4>\n<p>Performance requirements for HVAC and service water heating equipment are updated to align them with Canada\u2019s Energy Efficiency Regulations and relevant standards, and to add new equipment types.<\/p>\n<p>EnerGuide Rating System<\/p>\n<p>NBC Subsection 9.36.5. is aligned with the EnerGuide Rating System, and this system is established as an acceptable compliance path.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"7\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29947\" href=\"#\" data-title=\"efaq-appendix-c-climatic-and-seismic-information\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  Appendix C: Climatic and Seismic Information\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29947\" data-parent=\"#sp-ea-2994\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Climatic data<\/h4>\n<p>The wind data in Table C-2, Climatic Design Data for Selected Locations in Canada, are updated based on the latest observed data to ensure that recent climate trends are reflected.<\/p>\n<h4 class=\"ea-body\">Seismic data<\/h4>\n<p class=\"s3\">The seismic data in Table C-3, Seismic Design Data for Selected Locations in Canada for Part 9 Design, are limited to use in the application of prescriptive requirements in Part 9. Seismic hazard values for design under Part 4 are updated and, for 679 locations in Canada, relocated to the <a href=\"https:\/\/doi.org\/10.4224\/nqzr-dz38\">NRC Publications Archive<\/a> (external link). The values for these locations can also be obtained from the\u00a0<a href=\"https:\/\/earthquakescanada.nrcan.gc.ca\/hazard-alea\/interpolat\/nbc2020-cnb2020-en.php\">2020 National Building\u00a0Code of Canada Seismic Hazard Tool<\/a> (external link), which provides seismic hazard values for any site in Canada. In general, seismic hazard values for design under Part 4 have increased across Canada.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t<\/div><\/div>\n<h2 class=\"s1\">National Plumbing Code of Canada (<abbr title=\"National Plumbing Code of Canada\">NPC<\/abbr>)<\/h2>\n<style id=\"ea_dynamic_css2993\">#sp-ea-2993 .spcollapsing{height: 0; overflow: hidden; transition-property: height; transition-duration: 500ms;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single.eap_inactive>.ea-header a {background-color: #bb0000 !important; color: #fff !important;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single{ margin-bottom: 10px; border: 1px solid #e2e2e2; border-radius: 3px;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single.ea-expand{ border-color: #e2e2e2;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single:hover{ border-color: #e2e2e2;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.ea-header a {background: #ffffff;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a {background: #eee;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.ea-header:hover a {background: #ffffff;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-icon { color: #444;font-size: 20px;} #sp-ea-2993.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-custom-icon {max-width: 20px;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.ea-header:hover a .eap-title-icon {color: #444;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a .eap-title-icon {color: #444;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.ea-header a {padding: 15px 15px 15px 15px; 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border: 1px solid #e2e2e2;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body{border-radius: 0 0 3px 3px; border: none;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon.fa {float: left; margin-right: 10px;}#sp-ea-2993 #eap_faq_search_bar_container {display:none; opacity:0;}#sp-ea-2993 #eap_faq_search_bar_container span::before{content:\"\";}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body p{ padding:0px}#sp-ea-2993>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price {color: #444;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price del{color: rgba(68,68,68,0.71);}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a { border: 1px solid #DAD6DA;border-radius: 2px;background-color: transparent;color: #444;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a:hover { border-color: #444;background-color: #444;color: #fff;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>>.sp-collapse>.ea-body .eap-product-cart-button .eap-product-quantity .eap_input_text {border: 1px solid #DAD6DA;}#sp-ea-2993.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button a.add_to_cart_button{position: relative;}<\/style><div id=\"sp-eap-accordion-section-2993\" class=\"sp-eap-container\"><div id=\"sp-ea-2993\" class=\"sp-ea-one sp-easy-accordion \" data-ex-icon=\"fa-caret-right\" data-col-icon=\"fa-caret-down\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-ea-multi-column=\"\" data-ea-coll=\"\" data-keep-accordion=\"\" data-autoclose=\"\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\" data-autoplaytime=\"3000\" data-expand=\"\" data-post-id=\"2993\" data-accordion_mode=\"ea-all-close\">\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"0\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29930\" href=\"#\" data-title=\"efaq-national-plumbing-code-of-canada-npc\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  National plumbing code of Canada (NPC)\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29930\" data-parent=\"#sp-ea-2993\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Water temperature control<\/h4>\n<p>The maximum temperature for water discharging from shower heads or into bathtubs is reduced in healthcare facilities and seniors\u2019 residences to prevent scalding. The use of a temperature-limiting device or an automatic compensating valve to control discharge water temperature is extended to all types of shower heads, as well as bathtubs.<\/p>\n<h4 class=\"ea-body\">Materials and equipment<\/h4>\n<p>Fibrocement pipe and fittings are introduced as acceptable solutions to replace asbestos-cement pipe and fittings, which were removed from the NPC 2015 as an interim change. Polyethylene of raised temperature (<abbr title=\"polyethylene of raised temperature\">PE-RT<\/abbr>) tube, cellular core polyvinyl chloride (<abbr title=\"polyvinyl chloride\">PVC<\/abbr>) pipe, and their fittings are also introduced as acceptable solutions; the use of cellular core PVC pipe is limited to residential buildings containing 1 or 2 dwellings and row houses with up to 3 storeys. The prohibition on the use of copper tube is extended to all urinals. The list of standards to which back-siphonage and backflow preventers must conform is expanded.<\/p>\n<h4 class=\"ea-body\">Drainage systems<\/h4>\n<p>The criterion for determining the minimum pipe size and the hydraulic load for shower drains is changed to the volume of discharge from all shower heads and body sprays. Gate valves and screw caps, which require manual intervention, are removed as options for backflow protection to reduce the risk of basement flooding.<\/p>\n<h4 class=\"ea-body\">Rainwater harvesting systems<\/h4>\n<p>Requirements are introduced for non-potable rainwater harvesting systems to ensure that they are designed, fabricated and installed in accordance with good engineering practice.<\/p>\n<h4 class=\"ea-body\">Non-potable water systems<\/h4>\n<p>Requirements for non-potable water systems are revised to ensure that these systems are safely connected to potable water systems and that their piping and outlets are properly identified. Requirements for service connections are updated to allow waste water and rainwater to be diverted to non-potable water systems. The use of non-potable water systems to supply fixtures (water closets and urinals) in healthcare facilities is prohibited to reduce the potential for exposure to chemicals or pathogenic micro-organisms.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t<\/div><\/div>\n<h2 class=\"s1\">National Fire Code of Canada (<abbr title=\"National Fire Code of Canada\">NFC<\/abbr>)<\/h2>\n<style id=\"ea_dynamic_css2992\">#sp-ea-2992 .spcollapsing{height: 0; overflow: hidden; transition-property: height; transition-duration: 500ms;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single.eap_inactive>.ea-header a {background-color: #bb0000 !important; color: #fff !important;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single{ margin-bottom: 10px; border: 1px solid #e2e2e2; border-radius: 3px;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single.ea-expand{ border-color: #e2e2e2;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single:hover{ border-color: #e2e2e2;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.ea-header a {background: #ffffff;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a {background: #eee;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.ea-header:hover a {background: #ffffff;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-icon { color: #444;font-size: 20px;} #sp-ea-2992.sp-easy-accordion>.sp-ea-single>.ea-header a .eap-title-custom-icon {max-width: 20px;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.ea-header:hover a .eap-title-icon {color: #444;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single.ea-expand>.ea-header a .eap-title-icon {color: #444;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.ea-header a {padding: 15px 15px 15px 15px; 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border: 1px solid #e2e2e2;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body{border-radius: 0 0 3px 3px; border: none;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon.fa {float: left; margin-right: 10px;}#sp-ea-2992 #eap_faq_search_bar_container {display:none; opacity:0;}#sp-ea-2992 #eap_faq_search_bar_container span::before{content:\"\";}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body p{ padding:0px}#sp-ea-2992>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price {color: #444;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-price del{color: rgba(68,68,68,0.71);}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a { border: 1px solid #DAD6DA;border-radius: 2px;background-color: transparent;color: #444;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button .woocommerce a:hover { border-color: #444;background-color: #444;color: #fff;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>>.sp-collapse>.ea-body .eap-product-cart-button .eap-product-quantity .eap_input_text {border: 1px solid #DAD6DA;}#sp-ea-2992.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body .eap-product-cart-button a.add_to_cart_button{position: relative;}<\/style><div id=\"sp-eap-accordion-section-2992\" class=\"sp-eap-container\"><div id=\"sp-ea-2992\" class=\"sp-ea-one sp-easy-accordion \" data-ex-icon=\"fa-caret-right\" data-col-icon=\"fa-caret-down\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-ea-multi-column=\"\" data-ea-coll=\"\" data-keep-accordion=\"\" data-autoclose=\"\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\" data-autoplaytime=\"3000\" data-expand=\"\" data-post-id=\"2992\" data-accordion_mode=\"ea-all-close\">\t<div class=\"ea-card  sp-ea-single\"  data-accordion-id= \"0\">\n\n\t\t<h3 class=\"ea-header\">\n\t\t\t<a class=\"collapsed\" data-sptoggle=\"spcollapse\" rel=\"nofollow\" data-sptarget=\"#collapse29920\" href=\"#\" data-title=\"efaq-national-fire-code-of-canada-nfc\" aria-expanded=\"false\">\n\t\t\t\t<i class=\"ea-expand-icon fa fa-caret-down\"><\/i>  National fire code of Canada (NFC)\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse29920\" data-parent=\"#sp-ea-2992\">\n\t\t<div class=\"ea-body\"> \n<div class=\"ea-content-wrapper animated normal\"> \n\t<h4 class=\"ea-body\">Fire safety plans<\/h4>\n<p>Fire safety plan requirements are consolidated in Section 2.8. of Division B to facilitate compliance and enforcement. A requirement for a fire safety plan is introduced for areas where treatment (e.g., day surgery) is provided in business and personal services occupancies to ensure that appropriate fire emergency procedures are in place for patients who may be unable to self-evacuate. Assembly occupancies with an occupant load of 30 or less are exempted from having a fire safety plan, except for schools, colleges, universities, daycare facilities, licensed beverage establishments, and licensed restaurants.<\/p>\n<h4 class=\"ea-body\">Large farm buildings<\/h4>\n<p>Technical requirements for large farm buildings are introduced, which address the inspection of mechanical equipment and electrical systems, the control of flammable gases and vapours, and the storage of flammable or combustible liquids.<\/p>\n<h4 class=\"ea-body\">Fire warning systems<\/h4>\n<p>A requirement is added for the inspection, testing and maintenance of residential fire warning systems in accordance with <abbr title=\"C A N\">CAN<\/abbr>\/<abbr title=\"U L C\">ULC<\/abbr>-S540, \u201cStandard for Residential Fire and Life Safety Warning Systems: Installation, Inspection, Testing and Maintenance.\u201d<\/p>\n<h4 class=\"ea-body\">Water-miscible liquid mixtures<\/h4>\n<p>Classifications are established for 5 widely used water-miscible liquid mixtures (mixtures of methanol, ethanol, 2-propanol, acetone or acetic acid with water) to ensure that appropriate fire safety measures are applied in their storage, handling, use and processing.<\/p>\n<h4 class=\"ea-body\">Encapsulated mass timber construction<\/h4>\n<p>Measures are included to address fire safety during the construction of encapsulated mass timber buildings.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t<\/div><\/div>\n<h2 class=\"s1\">National Energy Code of Canada for Buildings (<abbr title=\"National Energy Code of Canada for Buildings\">NECB<\/abbr>)<\/h2>\n<style id=\"ea_dynamic_css2991\">#sp-ea-2991 .spcollapsing{height: 0; 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Maximum overall thermal transmittance values for opaque building assemblies and fenestration are reduced to improve the thermal performance of the building envelope.<\/p>\n<h4 class=\"ea-body\">Lighting<\/h4>\n<p>Lighting power densities are updated to reflect improvements in the efficacy of lighting products available in the North American market. Lighting power allowances are provided for use in additional exterior applications, including applications not listed in the Code.<\/p>\n<h4 class=\"ea-body\">HVAC and service water systems<\/h4>\n<p>The trade-off compliance paths for HVAC and service water systems, which were complex and not widely used, are removed. Performance requirements for HVAC and service water heating equipment are updated to align them with Canada\u2019s Energy Efficiency Regulations and relevant standards, and to add new equipment types.<\/p>\n<h4 class=\"ea-body\">Tiered energy performance compliance<\/h4>\n<p>New Part 10 is introduced to establish a performance compliance path with 4 tiers, each successive tier being increasingly stringent in terms of building energy consumption.<\/p>\n<\/div>\n<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\t<\/div><\/div>\n<p class=\"ccbfc-fnt\"><sup id=\"ccbfc-1\"><strong>1<\/strong><\/sup> The national code development system underwent a governance change in November 2022 to support efforts to harmonize construction codes in jurisdictions throughout Canada. The CCBFC, which had been in place since 1991, was dissolved and replaced by a new governance model including the Canadian Board for Harmonized Construction Codes (CBHCC) as responsible for developing, approving and maintaining the National Model Codes based on the strategic priorities set by the Canadian Table for Harmonized Construction Codes Policy. The 2020 National Model Codes were developed by the CCBFC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nearly 400 technical changes approved by the Canadian Commission on Building and Fire Codes (CCBFC)1 were introduced in the 2020 editions of Canada\u2019s National Model Codes. The most significant technical changes are summarized below. National Building Code of Canada (NBC) Division A Division B National Plumbing Code of Canada (NPC) National Fire Code of Canada (NFC) National Energy Code of Canada for Buildings (NECB) 1 The national code development system underwent a governance change in November 2022 to support efforts to harmonize construction codes in jurisdictions throughout Canada. The CCBFC, which had been in place since 1991, was dissolved and replaced by a new governance model including the Canadian Board for Harmonized Construction Codes (CBHCC) as responsible for developing, approving and maintaining the National Model Codes based on the strategic priorities set by the Canadian Table for Harmonized Construction Codes Policy. The 2020 National Model Codes were developed by the CCBFC.<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","footnotes":""},"class_list":["post-2987","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/pages\/2987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/comments?post=2987"}],"version-history":[{"count":10,"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/pages\/2987\/revisions"}],"predecessor-version":[{"id":3134,"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/pages\/2987\/revisions\/3134"}],"wp:attachment":[{"href":"https:\/\/cbhcc-cchcc.ca\/en\/wp-json\/wp\/v2\/media?parent=2987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}