2006 Building Code – Overview 2006 Building Code - Overview1 OACETT SPEAKERS CORNER Division B,...

2006 Building Code - Overview 1

2006 Building Code – Overview

OACETT SPEAKERS CORNER

Division B, Parts 3 & 12

Presented by:

Jennifer Young, AScTMunicipal Building Official

Craig Waller, AScT, CBCOActing Manager of Building



New Code – Objective Based FormatNew 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



Availability of new codeOfficial Version – Publications Ontario

www.publications.gov.on.caPaperless Publishing E-Laws

www.e-laws.gov.on.caTransition Provisions

Permits issued before December 31, 2006 – old codePermits 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



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



Section 3.1 - GeneralFirewalls 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



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.



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

A

MArea of M ≤40% of Area A

A is the open area of the room it is located in.



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

A

X

M

Area of X ≤10% of A

Area of M ≤40% of A

A is the room located in



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.

M1

A1 A2

M2Area of M1 ≤10%

Of Area A1



Section 3.2 – Building Fire SafetyArea 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))



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))



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



Section 3.3 – Safety within Floor AreasPublic 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



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))



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)



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))



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)



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))



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)



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



Group B Div. 3 OccupanciesB3 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



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))



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



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))



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 mmWidth: width of door plus latch clearance requirements of 3.8.3.3.(10)



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)



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



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

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




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




12.3.1.2 Equipment Efficiency

Natural Gas and Propane furnaces require

90% AFUE Minimum Efficiency

Oil furnaces are not regulated in the OBC

Table 12.3.1.2. Furnace Minimum Annual Fuel Utilization Efficiency

Forming Part of Sentence 12.3.1.2.(1)

Column 1 Column 2 Furnace Fuel Source Minimum Annual Fuel Utilization Efficiency Natural gas 90% Propane 90% Oil -

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




Building Element

Minimum RSI Value Required

1997 OBC 2006 OBC

On or Before

December 31, 2006

After

December 31, 2006 *

After

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

En

erg

y E

fficie

nc

y L

ev

el o

f

En

erG

uid

e 8

0

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)

* Energuide 80 may be used to achieve compliance.

12.3.2.1. Required Insulation




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




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 6.9 -7.9 Years

Note: Figures are based on Typical 2000sqft gas-heated house in the Greater Toronto Area

*Compared to the 1997 Building Code




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




12.2.1. GeneralPart 3 and Part 9 Non-Residential Buildings

1997 OBC 2006 OBCOn or Before

December 31, 2006

Article 2.1.1.11.

After

December 31, 2006

Article 12.2.1.1.

After

December 31, 2011

Article 12.2.1.2.

ASHRAE 90.1-1989

modified by SG-1

ASHRAE 90.1-2004

modified by SB-10 Energy efficiency is

25 % higher than

mNECB – 1997mNECB – 1997mNECB–1997

modified by SB-10

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




Estimated Energy Savings*

Estimated Increased Capital Cost*

Simple Payback Periods

December 31, 2006

16 – 18 % $0.98-1.11/ft2 3.3 – 4.7 years

December 31, 2011

25 % $1.40-3.46/ft2 5.0 – 7.7 years

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




12.2.1. General (Cont.)Simplified Prescriptive Requirements

1997 OBC 2006 OBC

On or Before

December 31, 2006

After

December 31, 2006

12.2.1.1.(4)

After

December 31, 2011

12.2.1.2.(4)

NoneTechnical requirements are specified

(Reserved)

Exceptions include farm buildings, process buildings, buildings identified in SB-10, and buildings use electric space heating.


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