420 likes | 669 Vues
OACETT SPEAKERS CORNER Division B, Parts 3 & 12 Presented by: Jennifer Young, AScT Municipal Building Official Craig Waller, AScT, CBCO Acting Manager of Building. New Code – Objective Based Format New Layout – 2 Volumes Volume 1 – 3 Divisions
E N D
OACETT SPEAKERS CORNER • Division B, Parts 3 & 12 • Presented by: • Jennifer Young, AScT • Municipal Building Official • Craig Waller, AScT, CBCO • Acting Manager of Building 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 www.publications.gov.on.ca • Paperless Publishing • E-Laws • www.e-laws.gov.on.ca • 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 3.1 - General • Expanded criteria for non-combustibility (3.1.5.1) • CAN-ULC-S135 new test reference • CAN-ULC-S114-M80 • New article for Sprinkler Protected Glazed Wall Assemblies (3.1.8.18) • Not permitted in high hazard occupancies • Any part of an exit serving • high buildings • Care and detention buildings • Residential occupancies 2006 Building Code - Overview
Section 3.1 - General • Firewalls 3.1.10.2.(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 2006 Building Code - Overview
Section 3.1 - General • Fire Stopping of Horizontal Concealed Spaces (3.1.11.5) • New Fire Stop material permitted. (3.1.11.7(7)) • Semi rigid fibre insulation board fastened to one set of studs. 2006 Building Code - Overview
Section 3.2 - Building Fire Safety • 3.2.1.1(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 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 3.2 - Building Fire Safety • 3.2.1.1(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 M A 2006 Building Code - Overview
Section 3.2 - Building Fire Safety • 3.2.1.1(4) Enclosed Mezzanines • Enclosed mezzanines are not consider a storey if • Do not meet 3.2.1.1(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 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. (3.2.3.2(2)) • Fire Alarm Systems • A Fire Alarm System includes a voice communication system. (3.2.4.5(1)) • Fire Alarm systems to be verified in conformance with CAN/ULC-S537 (3.2.4.5(2)) • Relationship between a Fire Alarm annunciator panel and control unit has been clarified. (3.2.4.8(7)) 2006 Building Code - Overview
Section 3.2 – Building Fire Safety • 3.2.4.18(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 (3.2.4.19(11)) • Fire alarm devices within suites to be independent of devices outside of suites. (3.2.4.19(11)) • Manual silencing of devices within dwelling units have been clarified and prescribed. (3.2.4.19(9)) 2006 Building Code - Overview
Section 3.2 – Building Fire Safety • Emergency lighting required in (3.2.7.3.(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. 3.3.1.3 2006 Building Code - Overview
Section 3.3 – Safety within Floor Areas • Public Corridors • Fire separation to remainder of the storey rather than building. (3.3.1.4(1)) • Minimum 45min. fire resistance rating. (3.3.1.4(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 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 (3.3.1.9(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 • (3.4.2.1(2) & Table 3.4.2.1.A) • No changes to sprinklered buildings. (Table 3.4.2.1.B) 2006 Building Code - Overview
Section 3.4 - Exits • Exit Level 3.4.3.2(7) & 3.4.5.2(1) • Concept of exit level is now applicable to design of exit stairways and used as point of reference to determine: • Stair width (3.4.3.2.(7)) • Signage requirement in stairs (3.4.5.2.(1)) • Landings to be provided at top and bottom of every ramp. (3.4.6.3.(5)) • Continuous handrails to be provided for on both sides of ramps. (3.4.6.4.(5) & (10)) 2006 Building Code - Overview
Section 3.4 - Exits • At least one door at every principal entrance to a building to be designed as an exit. (3.4.2.6) • Passenger elevators entrances are now • permitted to open onto exit lobby provided the elevator • doors remain closed when the elevator is not in use. (3.4.4.2.(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 (3.4.5.1.(1)(6)&(9)) • Handrails, clearance to wall increased to 50mm from 40mm • Handrail diameter decreased from 50mm to 43mm • (3.4.6.4.(3)&(8) 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” • (3.5.2.2.(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 (3.5.3.1.(2)) 2006 Building Code - Overview
Section 3.6 - Service Facilities • Service rooms require a min. 1 HR Fire Separation from rest of building except for some exemptions. • (3.6.2.1) • 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 • (3.6.2.8) 2006 Building Code - Overview
Section 3.7 – Health Requirements • Sentence 3.7.4.2.(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. • 3.7.4.2.(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 3.7.4.3.D 2006 Building Code - Overview
Group B Div. 3 Occupancies • B3 care occupancies are permitted to be treated as a residential occupancy. • 3.1.8.8.(8) Fire Dampers Waived • 3.2.5.13.(2) has been revised to allow the NFPA 13 R standard for certain small B-3 occupancies. • 3.3.3.3.(5) Corridors in certain small Group B, Division 3 occupancies are exempted from the 1 650 mm width requirement 2006 Building Code - Overview
Section 3.8 – Barrier Free Design • Minimum unobstructed width of a barrier-free path of travel increased to 1 100 mm from 1 060 mm. (3.8.1.3(1)) • Controls have a maximum height of 1200 mm and a new minimum height of 900 mm (3.8.1.5(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 9.6.3.3.(1). • (3.8.2.1.(4)(b)) 2006 Building Code - Overview
Section 3.8 – Barrier Free Design • Barrier-free path of travel for Hotel Suites (3.8.2.4) • 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 3.3.1.7.(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 (3.8.3.1(1)) • If wall mounted, must be installed between • 1 200 mm – 1 500 mm above floor (3.8.3.1(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. (3.8.3.3.(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. (3.8.3.3.(10)) • Level space on each side of the door (3.8.3.3.(13)) • Length: width of barrier-free path, but not more than 1500 mm • Width: width of door plus latch clearance requirements of 3.8.3.3.(10) 2006 Building Code - Overview
Section 3.8 – Barrier Free Design • Minimum width of 900mm between handrails on ramps (3.8.3.4(1)(a)) • Landings minimum of 1670mmx1670mm (3.8.3.4.(1)(c)) • Special Washrooms have been replaced with Universal Toilet Rooms. (3.8.3.12) 2006 Building Code - Overview
Section 3.16 – Shelf and Rack Storage Systems • Section 3.16. 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. • 3.16.1.2. General information • 3.16.1.3. Construction of these systems • 3.16.1.4. Signage • 3.16.1.5. Lighting/Emergency lighting • 3.16.1.6. Sprinkler systems • 3.16.1.7. Exits and means of egress • 3.16.2. Storage of Class I, II, III, IV commodities • 3.16.3. Storage of Group A, B, C Plastics and Rubber Tires 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 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 7.6.4 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 • 12.3.1.2 Equipment Efficiency • Natural Gas and Propane furnaces require • 90% AFUE Minimum Efficiency • Oil furnaces are not regulated in the OBC 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 12.3.2. amended and relocated from 9.25.2.1 (’97 OBC) • ‘Thermal Design’ requirements of 12.3.3. 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
Part 12 – Residential Buildings • 12.3.2.1. Required Insulation * Energuide 80 may be used to achieve compliance. 2006 Building Code - Overview
Part 12 – Residential Buildings • 12.3.2.3 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
Part 12 – Residential Buildings • Estimated Increased Capital Costs, Energy Savings and Payback Periods for Houses 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
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 – Resource Conservation • 12.2.1. General • Part 3 and Part 9 Non-Residential Buildings • 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
Part 12 – Resource Conservation • Estimated Increased Capital Costs, Energy Savings and Payback Periods for Non-Residential and Larger Residential 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 • 12.2.1. General (Cont.) • Simplified Prescriptive Requirements Exceptions include farm buildings, process buildings, buildings identified in SB-10, and buildings use electric space heating. 2006 Building Code - Overview