2006 Building Code - Overview

2006 Building Code - Overview
OACETT SPEAKERS CORNER Division B, Parts 3 & 12 Presented by: Jennifer Young, AScT Municipal Building Official Craig Waller, AScT, CBCO Acting Manager of Building Good Evening, and thank you for the invitation to present to the Chapter this evening. My Dad is a Technologist and is a very good speaker, and his only advice for tonight was start with a joke, so here goes.. You Might be an Technologist If... ... the only jokes you receive are through . ... you can't write unless the paper has both horizontal and vertical lines. ... a team of you and your co-workers have set out to modify the antenna on the radio in your work area for better reception. ... Dilbert is your hero. ... everyone else on the Alaskan cruise is on deck peering at the scenery and you are still on a personal tour of the engine room. ... people groan at the party when you pick out the music. ... the blinking 12:00 on someone's VCR draws you like a tractor beam to fix it. ... the salespeople at Future Shop can't answer any of your questions. ... you are always late to meetings. 2006 Building Code - Overview

New Code – Objective Based Format New Layout – 2 Volumes Volume 1 – 3 Divisions Division A – Compliance, Objectives and Functional Statements, and Definitions Division B – Parts 1 to 12 Current code as it exists now with approximately 700 technical changes Division C – Administrative Provisions Volume 2 Attribution Tables Supplementary Standards (previously Supplementary Guidelines) Still to be released Application and Intent statements 2006 Building Code - Overview

Availability of new code Official Version – Publications Ontario Paperless Publishing E-Laws Transition Provisions Permits issued before December 31, 2006 – old code Permits applied for prior to March 31, 2007 (provided drawings were substantially completed by December 31, 2006, and construction commences within 6 months of issuance of permit - old code) Permits applied for after April 1, 2007 – new code 2006 Building Code - Overview

Section General Expanded criteria for non-combustibility ( ) CAN-ULC-S135 new test reference CAN-ULC-S114-M80 New article for Sprinkler Protected Glazed Wall Assemblies ( ) Not permitted in high hazard occupancies Any part of an exit serving high buildings Care and detention buildings Residential occupancies The Article has been revised to expand the criteria for non-combustibility Cone Calorimeter Test for material properties CAN/ULC-S135 Criteria: heat release, smoke Allows marginally combustible materials including laminations ULC/ORD C263.1 “Sprinkler Protected Window Systems Currently accepted under BMEC authorization or compliance equivalency Not permitted for fire separations greater than 2 hrs. Not permitted in firewalls, And if installed in exits, not more than ½ the requires number of exits from any floor area. 2006 Building Code - Overview

Section General Firewalls (4) New materials permitted. Level of performance equal to that of masonry or concrete: During fire conditions Normal use of building and Resistant to moisture damage For 2 hour firewalls only Can not be used in: B1 major occupancies B2 major occupancies 3.2.6 High buildings New materials other than masonry or concrete are permitted. 2006 Building Code - Overview

Section General Fire Stopping of Horizontal Concealed Spaces ( ) New Fire Stop material permitted. ( (7)) Semi rigid fibre insulation board fastened to one set of studs. Previous “ Fire Stopping of Roof Spaces, Balconies and Canopies” Renamed to provide clarity that the requirement applies to floors as well as roofs. 2006 Building Code - Overview

Section Building Fire Safety (3) Open Mezzanines Open mezzanines not considered a storey if: If occupies ≤ 40% of the open area of the room it is located in, and The space above the mezzanine is open. Space does not obstruct visual communication This article has been there revised to clarify that the mezzanine area is to be no more than 40% of the room. ’97 code referenced storey and room. The mezzanine is to have an open area without partition or subdividing walls higher than 1070mm (reworded for clarity) Enclosed spaces are now permitted, however limited to 10% of the room in which they are located. The enclosed space is not to obstruct the visual communication of the mezz to the room in which it is located. Area of M ≤40% of Area A A is the open area of the room it is located in. M A 2006 Building Code - Overview

Section Building Fire Safety (8) Enclosed Spaces on Open Mezzanines Enclosed are ≤ 10% of the room in which it is located Mezz. Complies with sentence 3. Space does not obstruct visual communication X Area of X ≤10% of A Area of M ≤40% of A A is the room located in Enclosed spaces are now permitted, however limited to 10% of the room in which they are located. The enclosed space is not to obstruct the visual communication of the mezz to the room in which it is located. M A 2006 Building Code - Overview

Section Building Fire Safety (4) Enclosed Mezzanines Enclosed mezzanines are not consider a storey if Do not meet (3), and not superimposed the maximum area is 10% of the floor area in which they are located, and Mezz. in a suite does not exceed 10% of that suite. Area of M1 ≤10% Of Area A1 M1 Enclosed spaces are now permitted, however limited to 10% of the room in which they are located. The enclosed space is not to obstruct the visual communication of the mezz to the room in which it is located. M2 A1 A2 2006 Building Code - Overview

Section 3.2 – Building Fire Safety Area of Exposing Building Face Fire separation rating have been standardized to 45min. for fire compartments. ( (2)) Fire Alarm Systems A Fire Alarm System includes a voice communication system. ( (1)) Fire Alarm systems to be verified in conformance with CAN/ULC-S537 ( (2)) Relationship between a Fire Alarm annunciator panel and control unit has been clarified. ( (7)) Fire Alarm Control Unit Installed in close proximity to building entrance that faces a street or access route. All indicators required for an annunciator or trouble signal are included on the control unit. 2006 Building Code - Overview

Section 3.2 – Building Fire Safety (4) Visual signal device requirements have been expanded to include: Public corridors in Group A, B, D or E Corridors used by the public in a Group A occupancy. Not less than 10% of suites in hotels or motels New requirement for separate circuits on each floor area for residential Fire Alarms ( (11)) Fire alarm devices within suites to be independent of devices outside of suites. ( (11)) Manual silencing of devices within dwelling units have been clarified and prescribed. ( (9)) 2006 Building Code - Overview

Section 3.2 – Building Fire Safety Emergency lighting required in ( (1)) Access to exit in open floor areas Service rooms Day care centres Food preparation areas in commercial kitchens Section 3.3 – Safety within Floor Areas Fixed ladders are now permitted as a means of egress for personnel serving rooftop equipment Expanded to include additional areas where emergency lighting is required 2006 Building Code - Overview

Section 3.3 – Safety within Floor Areas Public Corridors Fire separation to remainder of the storey rather than building. ( (1)) Minimum 45min. fire resistance rating. ( (2)) No fire separation required in a sprinklered floor area provided: Travel distance is <45m from any part of the floor area to an exit. No occupancies within corridor Washrooms. Sprinkler system supervised with signals to Fire Depart for Group E & F1or2 occupancies Previously, the rating for public corridors also applied to the floor above and below the public corridor, which in certain circumstances required a more onerous rating then required for the floor. 2006 Building Code - Overview

Section 3.3 – Safety within Floor Areas OFC (2.7.1) referenced for aisles in open floor areas. Addresses aisles in assembly, office, mercantile and industrial ( (15)) 2006 Building Code - Overview

Section 3.4 – Exits Criteria for one exit in non-sprinklered buildings changed Max. areas and max travel distance reduced for Groups C,E, F2 & F3 ( (2) & Table A) No changes to sprinklered buildings. (Table B) 2006 Building Code - Overview

Section Exits Exit Level (7) & (1) Concept of exit level is now applicable to design of exit stairways and used as point of reference to determine: Stair width ( (7)) Signage requirement in stairs ( (1)) Landings to be provided at top and bottom of every ramp. ( (5)) Continuous handrails to be provided for on both sides of ramps. ( (5) & (10)) Clarifies that if a second exit is required it must conform to the same requirements as the main entrance or exit Exit level means the level of an exit stairways in a bldg at which an exterior exit door or exit passageway leads to the exterior. 2006 Building Code - Overview

Section Exits At least one door at every principal entrance to a building to be designed as an exit. ( ) Passenger elevators entrances are now permitted to open onto exit lobby provided the elevator doors remain closed when the elevator is not in use. ( (2)(e)(iv)) Exit signage no longer exempted at: Main entrance to a room or building, and, Main entrance to rooms serving certain types of assembly occupancies ( (1)(6)&(9)) Handrails, clearance to wall increased to 50mm from 40mm Handrail diameter decreased from 50mm to 43mm ( (3)&(8) Previous requirement assumed that the public would enter the building at the front entrance and therefore would remember it as being the exit 2006 Building Code - Overview

Section 3.5 – Vertical Transportation All passenger elevators shall to conform to: Appendix E of CSA B44 “Safety Code for Elevators” ( (1)) Elevators in Interconnected Floor Spaces without rated hoist way enclosure is permitted if: Elevators are not for fire fighters, and Elevator machine room fire separated from the remainder of the building ( (2)) 2006 Building Code - Overview

Section Service Facilities Service rooms require a min. 1 HR Fire Separation from rest of building except for some exemptions. ( ) Generator Rooms for emergency lighting, fire safety and life safety systems require 2hr fire rating for high buildings, 1hr fire rating for other buildings, and The room contains emergency equipment only ( ) & (97 code) combined into one article 2006 Building Code - Overview

Section 3.7 – Health Requirements Sentence (8) allows both sexes to be served by a single water closet in certain occupancies if the occupant load is not more than 10 persons. (7) if more than one Universal Toilet room is provided, then it can be used in determining the number of water closet required in 3.7.4 Requirement for employee washrooms in small restaurants has been clarified. Table D Table D is less restrictive than previously referenced table. 2006 Building Code - Overview

Group B Div. 3 Occupancies B3 care occupancies are permitted to be treated as a residential occupancy. (8) Fire Dampers Waived (2) has been revised to allow the NFPA 13 R standard for certain small B-3 occupancies. (5) Corridors in certain small Group B, Division 3 occupancies are exempted from the mm width requirement Waiver of fire dampers in a fire separation in certain small Group B, Division 3 occupancies where a fire alarm system and duct-type smoke detectors are provided to prevent smoke circulation. 2006 Building Code - Overview

Section 3.8 – Barrier Free Design Minimum unobstructed width of a barrier-free path of travel increased to mm from mm. ( (1)) Controls have a maximum height of 1200 mm and a new minimum height of 900 mm ( (1)) Not less than 10% of residential suites in apartment buildings require a barrier-free path of travel: To the doorway to at least one bedroom at the same level, and To the doorway to at least one bathroom having an area not less than 4.5 m², and conforming to Sentence (1). ( (4)(b)) Harmonize with the required public corridor width of mm. 2006 Building Code - Overview

Section 3.8 – Barrier Free Design Barrier-free path of travel for Hotel Suites ( ) Required in at least 10% of suites in a hotel (need not exceed 20) Suites with barrier-free path of travel to be distributed among barrier-free storeys The barrier-free path of travel within suites must extend to the inside of each room and to a balcony required by Sentence (2) These suites are required to have barrier-free bathrooms 2006 Building Code - Overview

Section 3.8 – Barrier Free Design Accessibility Signs now required to indicate the location of: Barrier-free entrance and ramps located in the barrier-free path of travel serving the entrance ( (1)) If wall mounted, must be installed between 1 200 mm – mm above floor ( (5)) Every doorway that is located in a barrier-free path of travel shall have a clear width of not less than 850 mm when the door is in the open position. ( (1)) 2006 Building Code - Overview

Section 3.8 – Barrier Free Design Clear space at doorways in barrier-free path of travel has been expanded to include all doors except those with power operation. ( (10)) Level space on each side of the door ( (13)) Length: width of barrier-free path, but not more than 1500 mm Width: width of door plus latch clearance requirements of (10) 2006 Building Code - Overview

Section 3.8 – Barrier Free Design Minimum width of 900mm between handrails on ramps ( (1)(a)) Landings minimum of 1670mmx1670mm ( (1)(c)) Special Washrooms have been replaced with Universal Toilet Rooms. ( ) 2006 Building Code - Overview

Section 3.16 – Shelf and Rack Storage Systems Section applies to self contained structural systems within buildings, having one or more elevated platforms or walkway levels for personnel access. The requirements for Mezzanines do not apply too a shelf and rack storage system. General information Construction of these systems Signage Lighting/Emergency lighting Sprinkler systems Exits and means of egress Storage of Class I, II, III, IV commodities Storage of Group A, B, C Plastics and Rubber Tires 2006 Building Code - Overview

Part 12 – Resource Conservation
2006 Building Code - Overview Part 12 – Resource Conservation New Part Contains requirements for Energy Efficiency of Buildings Water Conservation Energy efficiency requirements will come into force in three stages At the end of 2006, 2008, 2011 Ontario’s commitment and leadership in energy efficiency is shown progressively higher requirements for energy efficiency from the 1997 OBC and previous codes. Energy efficiency and affordability have been balanced Projected over the next eight years enough power is to be conserved to: Power 380,000 homes and reduce greenhouse gas emissions equal to 250,000 fewer cars. 2006 Building Code - Overview

Part 12 – Resource Conservation 12.1. General Scope and Application 12.2. Energy Efficiency General Rules 12.3. Energy Efficiency of Part 9 Buildings Simplified Requirements for Non_residential Buildings Thermal Insulation for Residential Buildings Thermal Design for Residential Buildings 12.4. Water Efficiency Refers to Subsection of Division B 2006 Building Code - Overview

Part 12 – Resource Conservation Acceptable solutions are set out for three groups of buildings : Part 9 Residential Buildings Part 9 Non-Residential Buildings Part 3 All Buildings & Part 9 Non-Residential Buildings Part 9 Residential Part 9 Non-Res All Part 3 Buildings & Part 9 Non- Res 2006 Building Code - Overview

Part 12 – Residential Buildings
2006 Building Code - Overview Part 12 – Residential Buildings Equipment Efficiency Natural Gas and Propane furnaces require 90% AFUE Minimum Efficiency Oil furnaces are not regulated in the OBC Does not apply to boilers, hot water tanks or combination units 2006 Building Code - Overview

2006 Building Code - Overview Part 12 – Residential Buildings Energy Efficiency Energy efficiency for residential buildings in Part 9 can be achieved by conforming to one of the following: ‘Thermal Insulation’ requirements of amended and relocated from (’97 OBC) ‘Thermal Design’ requirements of This is a performance based design and is required to be prepared and provided by an architect or engineer. Energy efficiency level of EnerGuide 80 As of January 2012, all new houses will be required to achieve the energy efficiency level of EnerGuide 80 2006 Building Code - Overview

2006 Building Code - Overview Part 12 – Residential Buildings Required Insulation Building Element Minimum RSI Value Required 1997 OBC 2006 OBC On or Before December 31, 2006 After December 31, 2006 * December 31, 2011 Windows and Sliding Doors 0.30 (1.70 R Value) U=2.0 W/m2C or Energy Rating operable=17 fix =27 Energy Efficiency Level of EnerGuide 80 Ceiling below attic or roof space 5.40 (R-31) 7.00 (R-40) Roof assembly without attic or roof space 3.52 (R-20) 4.93 (R-28) Wall other than foundation wall 3.00 (R-17) 3.34 (R-19) Foundation walls enclosing heated space 1.41 (R-8) 2.11 (R-12) Thermal Resistance of Windows Windows and sliding glass doors are required to have a energy rating of not less than 17 for operable windows, and 27 for fixed windows OR Windows and sliding glass doors are required to have a maximum U-Value of 2.0 *** Verify with your window supplier that proposed units meet these requirements*** Elements Acting as a Thermal Bridge Exterior wood stud walls: For 2x4 wall assemblies, minimum 25% of the wall insulation (R5) is required on exterior of the stud wall. This restricts the thermal bridge through the wall studs. Typically, this is achieved through rigid insulation sheathing For 2x6 wall assemblies, the studs have an RSI greater than 0.9. Therefore, 100% of required insulation (R19) can be between the studs * Energuide 80 may be used to achieve compliance. 2006 Building Code - Overview

2006 Building Code - Overview Part 12 – Residential Buildings Foundation Wall Insulation As of January 2007, the code requirement has not changed. Insulation is to extend to a minimum 600mm (24in) below adjacent ground level As of January 2009, insulation is to extend within 380mm (15in) of basement floor – Full height basement insulation 2006 Building Code - Overview

2006 Building Code - Overview Part 12 – Residential Buildings Estimated Increased Capital Costs, Energy Savings and Payback Periods for Houses Estimated Energy Savings* Estimated Increased Capital Cost* Simple Payback Periods December 31, 2006 21.5% $1,600 3.0 Years December 31, 2008 28% $2,700 4.4 Years December 31, 2011 35% $5,900 - $6,600 Years Note: Figures are based on Typical 2000sqft gas-heated house in the Greater Toronto Area *Compared to the 1997 Building Code 2006 Building Code - Overview

2006 Building Code - Overview Part 12 – Resource Conservation Acceptable solutions are set out for three groups of buildings : Part 9 Residential Buildings Part 9 Non-Residential Buildings Part 3 All Buildings & Part 9 Non-Residential Buildings Part 9 Residential Part 9 Non-Res All Part 3 Buildings & Part 9 Non- Res 2006 Building Code - Overview

2006 Building Code - Overview Part 12 – Resource Conservation General Part 3 and Part 9 Non-Residential Buildings 1997 OBC 2006 OBC On or Before December 31, 2006 Article After Article December 31, 2011 Article ASHRAE modified by SG-1 ASHRAE modified by SB-10 Energy efficiency is 25 % higher than mNECB – 1997 mNECB–1997 ANSI/ASHRAE/IESNA 90.1 “Energy Efficiency Design of New Buildings Except Lowrise Residential Buildings” Model National Energy Code for Buildings (mNECB) Energy Supplement SB-10 Exceptions include farm buildings, process buildings, and buildings identified in SB-10 2006 Building Code - Overview

2006 Building Code - Overview Part 12 – Resource Conservation Estimated Increased Capital Costs, Energy Savings and Payback Periods for Non-Residential and Larger Residential Estimated Energy Savings* Estimated Increased Capital Cost* Simple Payback Periods December 31, 2006 16 – 18 % $ /ft2 3.3 – 4.7 years December 31, 2011 25 % $ /ft2 5.0 – 7.7 years Note: The range depends on the size, climatic location, quality and method of construction. Estimated cost are based on typical hig-rise residential and high-rise office buildings. *Compared to 1997 OBC 2006 Building Code - Overview

Part 12 – Resource Conservation General (Cont.) Simplified Prescriptive Requirements 1997 OBC 2006 OBC On or Before December 31, 2006 After (4) December 31, 2011 (4) None Technical requirements are specified (Reserved) Exceptions include farm buildings, process buildings, buildings identified in SB-10, and buildings use electric space heating. 2006 Building Code - Overview

2006 Building Code - Overview

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