11.5.

Col. 1

Column 2

Column 3

NUMBER

PART 3 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

A1

3.1.4.6.

Existing heavy timber construction acceptable where construction is within 90% of member sizes listed in Part 3.

A2

3.1.5.2.; 3.1.5.3.; 3.1.5.4.; 3.1.5.6.

Existing acceptable.

A3

3.1.5.7.; 3.1.5.8.; 3.1.5.9.; 3.1.5.10.

Except for exposed foamed plastics, existing acceptable. To match existing, materials may be added from on or off site.

A4

3.1.5.15.; 3.1.5.16.; 3.1.5.17.; 3.1.5.21.; 3.1.5.23.

Existing acceptable.

A5

3.1.7.1.v1

Fire-resistance ratings may also be used where they are based on:

1. Guideline on Fire Ratings of Archaic Materials and Assemblies, HUD No. 8.

2. Fire Endurance of Protected Steel Columns and Beams, DBR Technical Paper No. 194.

3. Fire Endurance of Unit Masonry Walls, DBR Technical Paper No. 207.

4. Fire Endurance of Light-Framed and Miscellaneous Assemblies, DBR Technical Paper No. 222.

A6

3.1.7.5.(3)

Existing assemblies required to be of noncombustible construction may be supported by combustible construction having at least the same fire-resistance rating as that supported.

A7

3.1.8.5.(2)v1

(a) Existing functional and sound doors in existing buildings that are either hollow metal or kalamein and containing wired glass at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1 are permitted in lieu of doors not required to exceed 45 min,

(b) all existing functional and sound hollow metal or kalamein doors which carry existing 1.5 h labels are acceptable in lieu of current 1.5 h labels and may contain wired glass panels not exceeding 0.0645 m², at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1, and

(c) every fire door, window assembly or glass block used as a closure in a required fire separation shall be installed in conformance with good engineering practice.

A8

3.1.8.7.; 3.1.8.8.; 3.1.8.9.

Fire dampers or fire stop flaps are not required to be installed in existing ducts at penetrations of existing fire separations.

A9

3.1.8.10.(1)v1

Existing 45 mm solid core wood doors acceptable.

A10

3.1.8.11.(1)

Existing functionally operable self-closing devices acceptable.

A11

3.1.8.13.

Existing functionally operable latching devices, excluding draw bolts, are acceptable.

A12

3.1.8.14.v1

Existing transoms or sidelights located in required fire separations may be retained if wired glass at least 6 mm thick is securely fixed to a steel frame with steel stops. Operable transoms shall be fixed closed.

A13

3.1.8.15.; 3.1.8.16., 3.1.8.17.

Existing acceptable.

A14

3.1.11.

Where the concealed space is being materially altered, smoke or heat detection in that space in lieu of firestops and tied into fire alarm system is acceptable.

A15

3.1.13.10.

Existing acceptable.

A16

3.2.2.17.(1)(b) and (c)

Existing sprinkler systems need not comply.

A17

3.2.3.

Existing windows.

(a) Existing windows in walls may be relocated to another part of the wall, provided the existing opening is blocked up to provide the same fire rating for the wall, and the projection of the new opening, at a right angle to the property line onto another building, lies not closer than 300 mm from a window in such other building, where the “opposite” window is less than 2 400 mm from the opposite new opening, and

(b) except relocation of units, shall be restricted to the same fire compartment and shall conform to the requirements of Articles 3.2.3.14. or 9.10.12.3. where applicable, or

(c) where a building does not satisfy the requirements of Subsection 3.2.3. for the amount of openings facing a yard or space that does not have sufficient limiting distance, such existing openings are allowed to be relocated provided:

(i) such openings are not increased in size and they are protected with wired glass in steel frames conforming to Sentence 3.1.8.14.(2)v1, or

(ii) the building is sprinklered.

A18

3.2.4.

(a) Existing fire alarm system may remain except that Article 3.2.4.5. does not apply where the “Fire Safety Plan” (as described in Subsection 2.8.2. of the Fire Code) for the building addresses the intent of Subsection 3.2.4. (i.e. “stage” system, electrical supervision, detection as required, Fire Department connection and emergency power supply), and

(b) extension of an existing system must ensure continuity and compatibility, and integrity of the system.

A19

3.2.5.3.(1) and (2)

Existing acceptable.

A20

3.2.5.5.; 3.2.5.6.; 3.2.5.4.

Existing acceptable provided the building is sprinklered.

A21

3.2.5.7.

Does not apply, except where a change in major occupancy occurs from a lesser hazard index.

A22

3.2.5.13.

Existing sprinkler systems in existing buildings that do not conform to NFPA 13 may be altered, added to, or extended from the existing system without complying with NFPA 13, provided the system is operational and adequate with respect to coverage, water supply and controls, and provided the system is evaluated by a qualified designer.

A23

3.2.6.

Reserved.

A24

3.2.9.

(a) Does not apply to buildings 6 storeys and less.

(b) Does not apply to sprinklered buildings.

A25

3.3.1.5.

One egress door is allowed where the occupant load is not greater than 100 persons, provided floor area is sprinklered and travel distance does not exceed 25 m.

A26

3.3.1.9.

Existing width of public corridors of not less than 914 mm is acceptable.

A27

3.3.1.9.(8)

An existing dead-end corridor is permitted where the occupant load is not greater than 20 persons, provided travel distance is not greater than 6 m plus corridor width to “exit choice” point.

A28

3.3.1.10.; 3.3.1.11.

Existing door swings may remain in heritage buildings, existing or being restored, with no change in major occupancy and with occupant load no greater than 100.

A29

3.3.1.12.

Existing doors may remain in a heritage building, existing or being restored, with no change in major occupancy.

A30

3.3.1.18.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

A31

3.3.2.12.

Reserved.

A32

3.3.5.4.(1); 3.3.5.7.(1) to (3)

Need not comply where a gasketed door and self closer are provided in the existing fire separation.

A33

3.4.1.5. (1)

Existing acceptable.

A34

3.4.1.5.(2)

Existing acceptable provided the existing guard is not less than 914 mm.

A35

3.4.1.8.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

A36

3.4.2.5.(1)

Existing travel distance acceptable where floor area is sprinklered and where there is no change in major occupancy.

A37

3.4.3.2.(5)v1

Need not comply where there is no increase in occupant load.

A38

3.4.3.2.(7)v1

Existing width of exits acceptable provided the occupant load in not more than 15% above the exit capacity.

A39

3.4.3.4.

Existing acceptable.

A40

3.4.3.5.

Existing headroom clearance of not less than 1 980 mm is acceptable.

A41

3.4.4.4.(8)v1

Existing washrooms opening directly into an exit stairwell shall be separated from the exit stairwell by a 45 min closure.

A42

3.4.5.1.(2)v1 and (7)

Existing illuminated legible exit signs are acceptable.

A43

3.4.6.2.

Existing acceptable, if visually apparent.

A44

3.4.6.3.

Existing acceptable.

A45

3.4.6.4.(2)v1 to (8)

Existing acceptable.

A46

3.4.6.5.(2), (4) and (5)

Existing acceptable.

A47

3.4.6.6.(1)

Existing acceptable.

A48

3.4.6.7.; 3.4.6.8.

Existing acceptable.

A49

3.4.6.10.(1), (2) and (4)

Existing acceptable.

A50

3.4.6.11.

Existing acceptable in public heritage buildings or a change in occupancy with no increase in occupant load.

A51

3.4.6.15.(2) and (3)

Existing functionally operable panic hardware acceptable.

A52

3.4.7.2.

Combustible fire escapes which are protected from fire in accordance with Sentence 3.2.3.14.(2) are permitted or may be reconstructed or recreated (as in the case of a heritage building).

A53

3.5.1.

Existing acceptable.

A54

3.6.2.1.(7)

Existing fire separation of not less than 30 min is acceptable.

A55

3.6.2.2.

Existing acceptable where explosion-resistant construction or venting is provided.

A56

3.6.2.6.

Existing acceptable.

A57

3.6.2.8.(1)

2 h fire separation acceptable.

A58

3.6.3.1.(1) to (5)

45 min fire separation acceptable.

A59

3.6.3.3.(1) to (5) and (8)

Existing acceptable.

A60

3.6.3.3.(9)

1 h if sprinklered.

A61

3.6.3.3.(10)

Existing acceptable.

A62

3.6.3.4.

Existing acceptable.

A63

3.6.4.

Existing acceptable.

A64

3.7.1.3.(3)

2.1.m is acceptable.

A65

3.7.2.1.(3)

The minimum glass areas my be reduced by 50%.

A66

3.7.4.

Where the occupant load is increased by more than 15% above the capacity of the existing facilities, facilities to be added to accommodate the increase.

A67

3.8.1.2.

Existing accessible entrance acceptable.

Existing curb ramp conforming to Sentence 3.8.3.2.(3) is acceptable.

A68

3.8.1.3.(1)

Existing unobstructed width of 920 mm minimum is acceptable.

A69

3.8.1.3.(4)

Existing unobstructed space not less than 1500 mm in width and 1500 mm in length located not more than 30 m apart is acceptable.

A70

3.8.3.3.(1)v1

Existing doorway acceptable, provided not less than 810 mm wide.

A71

3.8.3.4.(1)(a)v1

Existing ramp acceptable, provided not less than 870 mm between handrails.

A72

3.8.3.8.(1)(d)(i)v1

Existing grab bar is acceptable.

A73

3.8.3.13.(1)(f)

Existing grab bar is acceptable.

NUMBER

PART 4 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

A74

4.1.8.

The requirements under this Subsection do not apply.

A75

6.2.2.1.(2)v1

Required outdoor air rates may be provided by mechanical, natural or combination of natural and mechanical means.

NUMBER

PART 8 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

A76

8.2.1.4.

Existing clearances acceptable where: a sewage system is replaced with another sewage system within the same class; and, the capacity of the replacement sewage system does not exceed the capacity of the existing sewage system.

A77

8.2.1.4.

Existing clearances are acceptable where a replacement sewage system requires lesser clearances than those required in Part 8 for the existing sewage system.

Col. 1

Column 2

Column 3

NUMBER

PART 3 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

B1

3.1.5.2.; 3.1.5.3.; 3.1.5.4.; 3.1.5.6.

Existing acceptable.

B2

3.1.5.7.; 3.1.5.8.; 3.1.5.9.; 3.1.5.10.

Except for exposed foamed plastics, existing acceptable.

B3

3.1.5.15.; 3.1.5.16.; 3.1.5.17.; 3.1.5.21.; 3.1.5.23.

Existing acceptable.

B4

3.1.7.1.v1

Fire-resistance ratings may also be used where they are based on:

1. Guideline on Fire Ratings of Archaic Materials and Assemblies, HUD No. 8.

2. Fire Endurance of Protected Steel Columns and Beams, DBR Technical Paper No. 194.

3. Fire Endurance of Unit Masonry Walls, DBR Technical Paper No 207.

4. Fire Endurance of Light-Framed and Miscellaneous Assemblies, DBR Technical Paper No. 222.

B5

3.1.7.5.(3)

Existing assemblies required to be of noncombustible construction may be supported by combustible construction having at least the same fire-resistance rating as that supported.

B6

3.1.8.5.(2)v1

(a) Existing functional and sound doors in existing buildings that are either hollow metal or kalamein and containing wired glass at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1 are permitted in lieu of doors not required to exceed 45 min,

(b) all existing functional and sound hollow metal or kalamein doors which carry existing 1.5 h labels are acceptable in lieu of current 1.5 h labels and may contain wired glass panels not exceeding 0.0645 m², at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1, and

(c) every fire door, window assembly or glass block used as a closure in a required fire separation shall be installed in conformance with good engineering practice.

B7

3.1.8.7.; 3.1.8.8.; 3.1.8.9.

Fire dampers or fire stop flaps are not required to be installed in existing ducts at penetrations of existing fire separations.

B8

3.1.8.10.(1)v1

For existing unlabelled doors in existing buildings, at least 45 mm solid core wood or metal clad are acceptable.

B9

3.1.8.11.(1)

Existing functionally operable self-closing devices acceptable, including devices with “pause” hardware.

B10

3.1.8.12.(1)v1 and (2)

Between patient or inmate rooms, and corridors, existing “pause” type self-closing devices may be used as hold-open devices where functionally operable.

B11

3.1.8.13.

Existing functionally operable latching devices, excluding draw bolts, are acceptable.

B12

3.1.8.14.(1)v1 and (2)

Except in zone or exit fire separations not required to be greater than 1 h, existing wired glass installations may be acceptable provided they are set in steel or metal-clad frames.

B13

3.1.8.14.(3)v1

Existing glass block acceptable.

B14

3.1.8.15.; 3.1.8.16.; 3.1.8.17.

Existing acceptable.

B15

3.1.9.5.(1) and (2)

Existing openings in existing ceiling membranes to remain. Existing openings may be moved to another location in the same ceiling provided the aggregate area of openings does not increase and are not cumulative, and the existing opening is blocked up to provide the same rating as the ceiling assembly.

B16

3.1.11.

Where the concealed space is being materially altered, provide smoke or heat detection in that space in lieu of firestops and tie into fire alarm system.

B17

3.1.14.; 3.1.15.

Existing roof assemblies and roof coverings acceptable.

B18

3.2.3.

Existing windows.

(a) Existing windows in walls may be relocated to another part of the wall, provided the existing opening is blocked up to provide the same fire rating for the wall, and the projection of the new opening, at a right angle to the property line onto another building, lies no closer than 300 mm from a window in such other building, where the “opposite” window is less than 2 400 mm from the opposite new opening, and

(b) except relocation of units, to be restricted to the same fire compartment and shall conform to the requirements of Articles 3.2.3.14. or 9.10.12.3. where applicable, or

(c) where a building does not satisfy the requirements of Subsection 3.2.3. for the amount of openings facing a yard or space that does not have sufficient limiting distance, such existing openings are allowed to be relocated provided:

(i) such openings are not increased in size and they are protected with wired glass in steel frames conforming to Sentence 3.1.8.14.(2)v1, or

(ii) the building is sprinklered.

B19

3.2.4.

(a) Existing fire alarm system may remain except that Article 3.2.4.5. does not apply where the “Fire Safety Plan” (as described in Subsection 2.8.2. of the Fire Code) for the building addresses the intent of Subsection 3.2.4. (i.e. “stage” system, electrical supervision, detection as required, Fire Department connection, and emergency power supply), and

(b) extension of an existing system must ensure continuity and compatibility, and integrity of the system.

B20

3.2.5.1.; 3.2.5.2.

Existing access to an existing occupancy acceptable.

Where the existing building is changed to a “B” occupancy, existing access may be acceptable.

B21

3.2.5.3.(1)

Existing acceptable, except where a change in occupancy occurs to a “B1” or “B2” occupancy.

B22

3.2.5.3.(2)

Existing acceptable.

B23

3.2.5.4.; 3.2.5.5.; 3.2.5.6.

Existing access route to existing occupancy is acceptable if the building is sprinklered.

Where existing building is changed to a “B” occupancy, access route shall be provided.

B24

3.2.5.7.; 3.2.5.18.

Does not apply except where a change in occupancy occurs to a “B1” or “B2” occupancy, where occupants are not normally evacuated from the building.

B25

3.2.5.13.

Existing sprinkler systems in existing buildings that do not conform to NFPA 13 may be altered, added to, or extended from the existing system without complying with NFPA 13, provided the system is operational and adequate with respect to coverage, water supply and controls, and provided the system is evaluated by a qualified designer.

B26

3.2.6.

Reserved.

B27

3.2.9.

Does not apply except where a change in occupancy occurs to a Group B occupancy, where occupants are not normally evacuated from the building.

B28

3.3.1.5.(1)(c); Table 3.3.1.5.B.

Column 2 to read: 100 m² for “B1” and “B2” (sleeping rooms) and 200 m² for “B2” (other rooms).

B29

3.3.1.9.

Existing width of public corridors of not less than 914 mm is acceptable, except as provided in Sentence 3.3.3.3.(2).

B30

3.3.1.10.; 3.3.1.11.

Existing door swings may remain in heritage buildings, existing or being restored, with no change in major occupancy and with occupant load no greater than 100.

B31

3.3.1.12.

Existing doors acceptable.

B32

3.3.1.15.

Existing acceptable.

B33

3.3.1.16.

Existing non-conforming capacities of access to exits are acceptable, provided that the excessive capacity is no greater than 15%, and

(a) corridor separations are rated to Code plus early warning system provided, or

(b) there are sprinklers, plus smoke alarms in suites.

B34

3.3.1.17.

Existing acceptable.

B35

3.3.1.18.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

B36

3.3.3.3.(1)

Existing dead end corridors acceptable with 30 min fire separation of corridor plus sprinklering of floor area, provided the occupant load is not greater than 10 persons and travel distance not greater than 6 m plus corridor width to “exit choice” point.

B37

3.3.3.7.

45 min fire separation acceptable.

B38

3.3.5.4.(1); 3.3.5.7.(3)

Need not comply where a gasketed door and self closer are provided in the existing fire separation.

B39

3.4.1.8.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

B40

3.4.2.5.(1)

Existing travel distance acceptable where floor area is sprinklered and provided fire separations comply with Part 3.

B41

3.4.3.2.(7)v1

Existing acceptable provided there is no change in occupancy to a “B2” or “B3”.

B42

3.4.3.4.

Existing acceptable.

B43

3.4.3.5.

Existing headroom clearance of not less than 1 980 mm is acceptable.

B44

3.4.5.1.(2)v1 and (7)

Existing illuminated legible exit signs are acceptable.

B45

3.4.6.2.

Existing acceptable, if visually apparent.

B46

3.4.6.3.(1)

Existing acceptable with a rise of no greater than 3.7 m.

B47

3.4.6.3.(2)

Existing acceptable provided there is no change in occupancy to a “B2” or “B3”.

B48

3.4.6.4.(2)v1 to (9)

Existing acceptable.

B49

3.4.6.5.(2) to (5)

Existing acceptable.

B50

3.4.6.6.(1)

Existing acceptable.

B51

3.4.6.7.

Existing acceptable.

B52

3.4.6.8.

Existing acceptable where there is no change in major occupancy or increase in occupant load greater than 15%.

B53

3.4.6.10.(1), (2) and (4)

Existing acceptable.

B54

3.4.6.11.

Existing acceptable in public heritage buildings.

B55

3.4.6.15.(2) and (3)

Existing functionally operable panic hardware acceptable.

B56

3.4.6.17.(1)(c)

Existing access to existing occupancy is acceptable

Where the existing building is changed to a “B” occupancy, existing access may be acceptable.

B57

3.4.7.2.

Combustible fire escapes which are protected from fire in accordance with Sentence 3.2.3.14.(2) are permitted or may be reconstructed or recreated (as in the case of a heritage building). Where serving non-ambulatory persons, minimum width shall be 1 100 mm.

B58

3.5.1.

Existing acceptable, except where building is classified under Subsection 3.2.6.

B59

3.6.2.1.(7)

45 min fire separation acceptable.

B60

3.6.2.6.

Existing acceptable.

B61

3.6.2.7.(1)

2 h fire separation acceptable.

B62

3.6.3.1.(1) to (5)

45 min fire separation acceptable.

B63

3.6.3.3.(1), (3), (4)(a), (5) and (10)

Existing acceptable.

B64

3.6.3.3.(2)(a)

45 min fire separation acceptable.

B65

3.6.4.

Existing acceptable, except where a change in occupancy occurs to a Group B occupancy.

B66

3.7.1.3.(1)

Existing acceptable.

B67

3.7.2.1.(2)

The minimum glass areas may be reduced by 50%.

B68

3.7.4.

Where the occupant load is increased by more than 15% above the capacity of the existing facilities, facilities to be added to accommodate the increase.

B69

3.8.1.2.

Existing accessible entrance acceptable.

Existing curb ramp conforming to Sentence 3.8.3.2.(3) is acceptable.

B70

3.8.1.3.(1)

Existing unobstructed width of 920 mm minimum is acceptable.

B71

3.8.1.3.(4)

Existing unobstructed space not less than 1500 mm in width and 1500 mm in length located not more than 30 m apart is acceptable.

B72

3.8.3.3.(1)v1

Existing doorway acceptable, provided not less than 810 mm wide.

B73

3.8.3.4.(1)(a)v1

Existing ramp acceptable, provided not less than 870 mm between handrails.

B74

3.8.3.8.(1)(d)(i)v1

Existing grab bar is acceptable.

B75

3.8.3.13.(1)(f)

Existing grab bar is acceptable.

NUMBER

PART 4 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

B76

4.1.8.

The requirements under this Subsection do not apply.

NUMBER

PART 8 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

B77

6.2.2.1.(2)v1

Required outdoor air rates may be provided by mechanical, natural or combination of natural and mechanical means.

B78

8.2.1.4.

Existing clearances acceptable where: a sewage system is replaced with another sewage system within the same class; and, the capacity of the replacement sewage system does not exceed the capacity of the existing sewage system.

B79

8.2.1.4.

Existing clearances are acceptable where a replacement sewage system requires lesser clearances than those required in Part 8 for the existing sewage system.

Col. 1

Column 2

Column 3

NUMBER

PART 3 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

C1

3.1.4.6.

Existing heavy timber construction acceptable where construction is within 90% of member sizes listed in Part 3.

C2

3.1.5.2.; 3.1.5.3.; 3.1.5.4.; 3.1.5.6.

Existing acceptable.

C3

3.1.5.7.; 3.1.5.8.; 3.1.5.9.; 3.1.5.10.

Except for exposed foamed plastics, existing acceptable. To match existing, materials may be added from on or off site.

C4

3.1.5.14.; 3.1.5.15.; 3.1.5.16.; 3.1.5.17.; 3.1.5.21.; 3.1.5.23.

Existing acceptable.

C5

3.1.7.1.v1

Fire-resistance ratings may also be used where they are based on:

1. Guideline on Fire Ratings of Archaic Materials and Assemblies, HUD No. 8.

2. Fire Endurance of Protected Steel Columns and Beams, DBR Technical Paper No. 194.

3. Fire Endurance of Unit Masonry Walls, DBR Technical Paper No. 207.

4. Fire Endurance of Light-Framed and Miscellaneous Assemblies, DBR Technical Paper No. 222.

C6

3.1.7.5.(3)

Existing assemblies required to be of noncombustible construction may be supported by combustible construction having at least the same fire-resistance rating as that supported.

C7

3.1.8.1.(2); 3.1.8.6.(1) and (2)

Existing functional closures are acceptable and may be relocated within the same existing fire separation.

C8

3.1.8.5.(2)v1

(a) Existing functional and sound doors in existing buildings that are either hollow metal or kalamein and containing wired glass at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1 are permitted in lieu of doors not required to exceed 45 min,

(b) all existing functional and sound hollow metal or kalamein doors which carry existing 1.5 h labels are acceptable in lieu of current 1.5 h labels and may contain wired glass panels not exceeding 0.0645 m², at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1, and

(c) every fire door, window assembly or glass block used as a closure in a required fire separation shall be installed in conformance with good engineering practice.

C9

3.1.8.7.; 3.1.8.8.; 3.1.8.9.

Except for hotels, fire dampers or fire stop flaps are not required to be installed in existing ducts at penetrations of existing fire separations.

C10

3.1.8.10.(1)v1

For existing unlabeled doors in existing buildings, at least 45 mm solid core wood or metal clad are acceptable. Except for residential occupancies, existing closure rating of 20 min will not be required where the entire floor area is sprinklered.

C11

3.1.8.13.

Existing functionally operable latching devices, excluding draw bolts, are acceptable.

C12

3.1.8.14.v1

Existing transoms or sidelights located in fire separations not required to be greater than 1 h may be retained if wired glass, at least 6 mm thick, is securely fixed to a wood frame of at least 50 mm thickness with steel stops. Operable transoms shall be fixed closed.

C13

3.1.8.15.; 3.1.8.16.; 3.1.8.17.

Existing acceptable.

C14

3.1.11.

Where the concealed space is being materially altered, provide smoke or heat detection in that space in lieu of firestops and tie into fire alarm system.

C15

3.2.2.17.(1)(b) and (c)

Existing sprinkler systems in 1 storey buildings need not comply.

C16

3.2.3.

Existing windows.

(a) Existing windows in walls may be relocated to another part of the wall, provided the existing opening is blocked up to provide the same fire rating for the wall, and the projection of the new opening, at a right angle to the property line onto another building, lies not closer than 300 mm from a window in such other building, where the “opposite” window is less than 2 400 mm from the opposite new opening, and

(b) except relocation of units, shall be restricted to the same fire compartment and shall conform to the requirements of Articles 3.2.3.14. or 9.10.12.3. where applicable, or

(c) where a building does not satisfy the requirements of Subsection 3.2.3. for the amount of openings facing a yard or space that does not have sufficient limiting distance, such existing openings are allowed to be relocated provided:

(i) such openings are not increased in size and they are protected with wired glass in steel frames conforming to Sentence 3.1.8.14.(2)v1, or

(ii) the building is sprinklered.

C17

3.2.4.

(a) Existing fire alarm system may remain except that Article 3.2.4.5. does not apply where the “Fire Safety Plan” (as described in Subsection 2.8.2. of the Fire Code) for the building addresses the intent of Subsection 3.2.4. (i.e. “stage” system, electrical supervision, detection as required, Fire Department connection, and emergency power supply), and

(b) extension of an existing system must ensure continuity and compatibility, and integrity of the system.

C18

3.2.4.21.

Such smoke alarms may be battery operated.

C19

3.2.5.1.; 3.2.5.2.

Existing acceptable.

C20

3.2.5.3.(1)

Existing access acceptable.

C21

3.2.5.3.(2)

Existing acceptable.

C22

3.2.5.4.; 3.2.5.5.; 3.2.5.6.

(a) For buildings 6 storeys and less, existing access to existing occupancy is acceptable, and

(b) where existing building is changed to a “C” occupancy, an access route shall be provided, or the existing access is acceptable provided the building is sprinklered.

C23

3.2.5.7.

Existing water supply and hydrants are acceptable in buildings up to 6 storeys in building height.

C24

3.2.5.13.

Existing sprinkler systems in existing buildings that do not conform to NFPA 13 may be altered, added to, or extended from the existing system without complying with NFPA 13, provided the system is operational and adequate with respect to coverage, water supply and controls, and provided the system is evaluated by a qualified designer.

C25

3.2.6.

Reserved.

C26

3.2.9.

Does not apply to buildings 4 storeys and and less. For existing buildings over 4 storeys in building height, existing standpipe and hose systems water supply is acceptable provided it can deliver a minimum flow rate of 265 L/min for 30 min at 345 kPa (gauge) at the two highest and most remote hose valves, with not less than 132 L/min from each of the two simultaneously.

C27

3.3.1.4.(1)v1; 3.3.4.2.(1)v1

30 min is acceptable to separate corridors or exits in buildings not exceeding 6 storeys in building height, except that 45 min is required for exits in buildings exceeding 3 storeys in building height. For buildings exceeding 6 storeys in building height, 30 min is acceptable where smoke detectors are installed in corridors, except 1 h is required in exits. 30 min is acceptable to separate public corridors, exits or suites in hotels, provided fire detectors are installed in every room in a suite and in every room not located in a suite, other than corridors, washrooms, closets in suites, saunas, refrigerated areas and swimming pools.

C28

3.3.1.5.(1)(c); Tables 3.3.1.5.A. and 3.3.1.5.B.

In Column 2, maximum area of room or suite to be unlimited.

C29

3.3.1.9.

Existing width of public corridors of not less than 914 mm is acceptable.

C30

3.3.1.10.; 3.3.1.11.

Existing door swings may remain in heritage buildings, existing or being restored, with no change in major occupancy and with occupant load no greater than 100.

C31

3.3.1.12.

Existing doors acceptable, provided not less than 600 mm wide.

C32

3.3.1.15.

Existing curved or spiral stairs acceptable.

C33

3.3.1.16.

Existing non-conforming capacities of access to exits are acceptable, provided that the excessive capacity is no greater than 15%,

(a) corridor fire separations are to be rated to Code plus early warning system provided, or

(b) there are sprinklers, plus smoke alarms in suites.

C34

3.3.1.17.

Does not apply to heritage buildings.

C35

3.3.1.18.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

C36

3.3.4.2.(3)(b)(i)v1

30 min fire separation acceptable.

3.3.4.2.(3)(b)(ii)v1, (iii)

45 min fire separation acceptable.

3.3.4.2.(3)(b)(iv)v1

1.5 h fire separation acceptable.

C37

3.3.4.4.(5) and (6)

For buildings 6 storeys and less, doorway from dwelling unit will be permitted to open directly into exit stairway or interior corridor served by a single exit if a fire alarm system complying with Subsection 3.2.4. is installed and the dwelling unit has a second and separate means of egress.

C38

3.3.5.4.(1) and 3.3.5.7.(3)

Need not comply where a gasketed door and self closer are provided in the existing fire separation.

C39

3.4.1.4.

Except for hotels, the following types of exits may also be used for buildings not over 6 storeys in building height

(a) connected balconies, which connect across firewalls, or connect to another exit, or with access to ground level.

(b) areas of refuge where fire service rescue is possible and that comply with Measure L of Sentences (4) to (10), (18) and (20)(a), (b) and (d) in Supplementary Standard SB-4 .

C40

3.4.1.8.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

C41

3.4.2.5.(1)

Existing travel distance acceptable where floor area is sprinklered and provided fire separations comply with Part 3.

C42

3.4.3.2.(7)v1

Existing width of exits acceptable provided the occupant load is not more than 15% above the exit capacity.

C43

3.4.3.4.

Except for heritage buildings, existing acceptable, provided not less than 800 mm.

C44

3.4.3.5.

Existing headroom clearance of not less than 1 980 mm is acceptable.

C45

3.4.4.1.(1)

Except for exits, no rating required where floor areas are spinklered.

C46

3.4.4.1.

Fire separations of exits permitted in buildings:

- 30 min, up to 3 storeys in building height;

- 45 min, in hotels up to 3 storeys in building height;

- 45 min, up to 6 storeys in building height;

- 1 h, over 6 storeys in building height.

C47

3.4.4.4.(8)v1

Existing washrooms opening directly into an exit stairwell shall be separated from the exit stairwell by a 45 min closure.

C48

3.4.5.1.(2)v1 and (7)

Existing illuminated legible exit signs are acceptable.

C49

3.4.6.1.

Existing acceptable.

C50

3.4.6.2.

Existing acceptable, if visually apparent.

C51

3.4.6.3.(1) and (2)

Existing acceptable with rise no greater than 3.7 m.

C52

3.4.6.3.(3) and (4)

Existing acceptable.

C53

3.4.6.4.(2)v1 and (8)

Existing acceptable.

C54

3.4.6.5. (2) and (4)

Existing acceptable.

C55

3.4.6.6.(1)

Existing acceptable.

C56

3.4.6.7.; 3.4.6.8.

Existing acceptable.

C57

3.4.6.9.(2) to (6)

Existing acceptable.

C58

3.4.6.10.(1) and (2)

Existing acceptable.

C59

3.4.6.11.

Existing acceptable in heritage buildings provided the occupant load is not more than 60.

C60

3.4.6.15.(1) to (3)

Existing functionally operable panic hardware acceptable.

C61

3.4.7.2.

Combustible fire escapes which are protected from fire in accordance with Sentence 3.2.3.14.(2) are permitted or may be reconstructed or recreated (as in the case of a heritage building).

C62

3.5.1.

Existing acceptable except where building is classified under Subsection 3.2.6.

C63

3.6.2.1.(7)

45 min fire separation acceptable.

C64

3.6.2.2.

Existing acceptable where explosion-resistant construction or venting is provided.

C65

3.6.2.6.

Existing acceptable.

C66

3.6.2.7.(1)

2 h fire separation acceptable.

C67

3.6.3.1.(1) to (5)

45 min fire separation acceptable up to 6 storeys.

C68

3.6.3.3.(2)

Where 2 h fire separation is required,1 h is acceptable.

Except for linen discharge rooms where 1 h fire separation is required, 45 min is acceptable.

C69

3.6.3.3.(4) and (5)

Existing sizes acceptable.

C70

3.6.3.3.(9)

Where 2 h fire separation is required,1 h is acceptable.

C71

3.6.4.2.

Ceiling fire separation need not be fire-resistance rated where sprinklering, subject to C.A. C24, of fire compartments on both sides of vertical fire separation is provided and where such fire separation is not required to exceed 1 h.

C72

3.6.4.3.(1)

Existing to meet flame-spread rating of 25 or to be sprinklered.

C73

3.6.4.4.; 3.6.4.5.; 3.6.4.6.

Existing access acceptable.

C74

3.7.1.1.(2)

Minimum room height shall be not less than 1 950 mm over the required floor area and any location that would normally be used as a means of egress.

C75

3.7.2.1.

(a) Where windows are not used as means of egress and where they do not conflict with ventilation requirements, the minimum glass areas as shown in Table 9.7.1.2. may be reduced by 50%, or

(b) an existing room converted to an interior room, created by an addition, shall not require a window, provided there is an opening in a dividing wall occupying not less than 30% of the separating plane to an adjoining room, where the adjoining room has a minimum of 5% window area of the combined floor areas, and provided the required ventilation for the combined rooms is maintained.

C76

3.7.4.

Where the occupant load is increased by more than 15% above the capacity of the existing facilities, facilities to be added to accommodate the increase.

C77

3.8.1.2.

Existing accessible entrance acceptable.

Existing curb ramp conforming to Sentence 3.8.3.2.(3) is acceptable.

C78

3.8.1.3.(1)

Existing unobstructed width of 920 mm minimum is acceptable.

C79

3.8.1.3.(4)

Existing unobstructed space not less than 1500 mm in width and 1500 mm in length located not more than 30 m apart is acceptable.

C80

3.8.3.3.(1)v1

Existing doorway acceptable, provided not less than 810 mm wide.

C81

3.8.3.4.(1)(a)v1

Existing ramp acceptable, provided not less than 870 mm between handrails.

C82

3.8.3.8.(1)(d)(i)v1

Existing grab bar is acceptable.

C83

3.8.3.13.(1)(f)

Existing grab bar is acceptable.

NUMBER

PART 4 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

C84

4.1.8.

The requirements under this Subsection do not apply.

NUMBER

PART 6 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

C85

6.2.2.1.(2)v1

Required outdoor air rates may be provided by mechanical, natural or combination of natural and mechanical means.

C86

6.2.3.2.; 6.2.3.8.v1; 6.2.3.16; 6.2.3.17.

Existing acceptable.

C87

6.2.3.9.(1)v1

In a building containing not more than four dwelling units or residential suites, the existing heating or air conditioning system may be altered to serve more than one dwelling unit or suite provided smoke alarms are installed in each dwelling unit or suite and provided a smoke detector is installed in the supply or return air duct system serving the entire building which would turn off the fuel supply and electrical power to the heating system upon activation of such detector.

C88

6.2.3.12.

Existing openings, grilles and diffusers acceptable.

C89

6.2.4.2.(1); 6.2.4.3.(1) to (3) and (5)

Existing acceptable.

C90

6.2.4.3.(10)

Where the duct system is being altered, lesser amounts and extent of insulation will be permitted.

C91

6.2.4.7.(10)

In a building containing not more than four dwelling units or residential suites, the existing heating or air conditioning system may be altered to serve more than one dwelling unit or suite provided smoke alarms are installed in each dwelling unit or suite and provided a smoke detector is installed in the supply or return air duct system serving the entire building which would turn off the fuel supply and electrical power to the heating system upon activation of such detector.

C92

6.2.9.2.

Existing acceptable.

C93

6.2.12.3.(1)

Carbon monoxide detectors may be battery operated or plugged into an electrical outlet.

C94

6.3.1.

Existing acceptable, provided products of combustion are safely vented.

NUMBER

PART 8 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

C95

8.2.1.4.

Existing clearances acceptable where: a sewage system is replaced with another sewage system within the same class; and, the capacity of the replacement sewage system does not exceed the capacity of the existing sewage system.

C96

8.2.1.4.

Existing clearances are acceptable where a replacement sewage system requires lesser clearances than those required in Part 8 for the existing sewage system.

NUMBER

PART 9 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

C97

9.3.2.1.v1

Sound used lumber may be acceptable for reuse without a grade stamp provided that:

(a) visual examination shows no excessive weakening by holes, notches, nail splits or other damage,

(b) where the grade or species is unknown, the minimum grade shall apply for span table use, and

(c) lumber has not been subjected to termite infestation.

C98

9.5.3.1.

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units,

(a) minimum room height shall not be less than 1 950 mm over the required floor area and in any location that would normally be used as a means of egress, or

(b) minimum room height shall not be less than 2 030 mm over at least 50% of the required floor area, provided that any part of the floor having a clear height of less than 1 400 mm shall not be considered in computing the required floor area.

C99

9.6.3.1.v1

Doors may be lesser heights to suit ceiling heights.

C100

9.6.3.2.

Except where required in 9.9.2.1.(4) existing acceptable, provided not less than 600 mm.

C101

9.6.5.

Existing acceptable.

C102

9.6.6.2.v1; 9.6.6.3.

Existing doors and sidelights being reused or relocated need not conform if identified or protected.

C103

9.7.1.2.

(a) Where windows are not used as a means of egress and where they do not conflict with ventilation requirements, the minimum glass areas as shown in Table 9.7.1.2. may be reduced by 50%, and

(b) an existing room converted to an interior room created by an addition shall not require a window, provided there is an opening in a dividing wall occupying not less than 30% of the separating plane to an adjoining room where the adjoining room has a minimum of 5% window area of the combined floor areas, and provided the required ventilation for the combined room is maintained.

C104

9.7.1.3.

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, existing acceptable, where there is direct access to the exterior.

C105

9.7.1.7.

Existing acceptable.

C106

9.7.5.1.

Existing acceptable, if marked to indicate their existence and position.

C107

9.8.1. to 9.8.4.

Replacement or extension of existing stair systems shall be exempt from the provisions of these Articles, except that they shall have:

(a) a minimum width between wall faces of 700 mm, and

(b) a minimum clear height over tread nosing of or landing 1 800 mm.

C108

9.8.4.4.

Existing curved or spiral stairs are acceptable.

C109

9.8.4.5.

Where a stair complies with Subsection 9.8.4., an extension to a stair may contain two sets of winders provided that they are separated by at least 3 treads or a landing.

C110

9.8.5.1.(2)

Existing ramps acceptable, where practical.

C111

9.8.7.

Existing handrails acceptable, unless considered unsafe by chief building official.

NUMBER

PART 9 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

C112

9.8.8.

Existing guards acceptable, unless considered unsafe by chief building official.

C113

9.8.9.6.(4)v1

Existing acceptable.

C114

9.9.2.1.(1) to (3)

Except for hotels, the following types of exits may also be used:

(a) connected balconies, which connect across firewalls, or connect to another exit, or with access to ground level,

(b) areas of refuge approved by the chief building official, where fire service rescue is possible, or

(c) combustible or noncombustible exterior stairways or fire escapes which are protected in accordance with Sentence 3.2.3.13.(2). These may be reconstructed or recreated (as in the case of a heritage building).

C115

9.9.2.1.(4)

Except for hotels, existing acceptable.

C116

9.9.3.2.

(a) In a building containing not more than four dwelling units, the width of every exit facility may be as the existing, but not less than 800 mm, or

(b) in a building containing more than four dwelling units, the width of every exit facility may be as the existing, but not less than 900 mm.

C117

9.9.3.3.

(a) In a building containing not more than four dwelling units, the minimum width of a public corridor may be 800 mm, or

(b) in a building containing more than four dwelling units, the minimum width of a public corridor may be 900 mm.

C118

9.9.3.4.

Existing clear height of not less than 1 950 mm is acceptable.

C119

9.9.4.2.

Except as permitted in C.A. C134, in a building containing not more than four dwelling units or suites, one exit need not be separated from the remainder of the building at the first storey where there are one or more other exits complying with C.A. C120.

C120

9.9.4.2.(1) and (2)

30 min fire separation acceptable.

C121

9.9.5.4.

Existing acceptable.

C122

9.9.5.8.

Existing acceptable provided minimum 45 min fire separation and where explosion-resistant construction or venting is provided.

C123

9.9.5.9.

Existing acceptable, provided that the enclosure has a 45 min fire-resistance rating.

C124

9.9.6.1.

Except for hotels, existing acceptable.

C125

9.9.6.2.

Existing clear opening height of not less than 1 950 mm is acceptable, with existing door heights to be acceptable.

C126

9.9.6.3.v1

Existing door widths are acceptable, provided exit widths conform to C.A. C116.

C127

9.9.6.5.v1

Existing door swings acceptable.

Existing acceptable in public heritage buildings, where approved by chief building official.

C128

9.9.6.6.(1)

Where exit doors open onto a landing, they shall not extend beyond the face of the first riser.

C129

9.9.6.8.

Existing functionally operable passage or panic hardware acceptable.

C130

9.9.7.4.(1)(a)

Maximum area of existing room or suite does not apply.

C131

9.9.7.5.

Except as provided in C.A. C134, in detached houses, semi-detached houses, townhouses row houses containing not more than two dwelling units, requirement applies.

C132

9.9.8.2.(1)

Existing travel distance acceptable where floor area is sprinklered and provided fire separations comply with Part 9.

C133

9.9.8.5.

In a building containing not more than four dwelling units or suites, existing glazed solid wood doors to lobby may remain in lieu of new 20 minute doors, provided the fire separations for the floor above or below are provided as per C.A. C144, and a second means of egress from the dwelling units complies with the Code requirements.

C134

9.9.9.

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, exit requirements are acceptable if at least one of the following conditions exists:

(a) a door, including a sliding door, that opens directly to the exterior from a dwelling unit, serves only that dwelling unit and has reasonable access to ground level, and the dwelling units are equipped with smoke alarms installed in conformance with Subsection 9.10.19.,

(b) an exit that is accessible to more than one dwelling unit and provides the only means of egress from each dwelling unit, provided that the means of egress is separated from the remainder of the building and common areas by a fire separation having a 30 min fire-resistance rating and provided further that the required access to exit from any dwelling unit cannot be through another dwelling unit, service room or other occupancy, and both dwelling units and common areas are provided with smoke alarms installed in conformance with Subsection 9.10.19. and are interconnected, or

(c) access to an exit from one dwelling unit which leads through another dwelling unit where

(i) an additional means of escape is provided through a window that conforms to the following:

- the sill height is not more than 1 000 mm above or below adjacent ground level,

- the window can be opened from the inside without the use of tools,

- the window has an individual unobstructed open portion having a minimum area of 0.38 m² with no dimension less than 460 mm,

- the sill height does not exceed 900 mm above the floor or fixed steps,

- where the window opens into a window well, a clearance of not less than 1 000 mm shall be provided in front of the window, and

- smoke alarms are installed in every dwelling unit and in common areas in conformance with Subsection 9.10.19. and are interconnected,

(ii) an additional means of escape is provided through a window that conforms to the following:

- a casement window not less than 1 060 mm high, 560 mm wide, with a sill height not more than 900 mm above the inside floor,

- the sill height of the window is not more than 5 m above adjacent ground level, and

- smoke alarms are installed in every dwelling unit and in common areas in conformance with Subsection 9.10.19. and are interconnected, or

(iii) the building is sprinklered and the dwelling units are equipped with smoke alarms installed in conformance with Subsection 9.10.19.

C135

9.9.10.

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, the requirements under this Subsection do not apply.

C136

9.9.10.6.

Existing illuminated legible signs are acceptable for exit signs, if approved by chief building official.

C137

9.9.11.

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, the requirements under this Subsection apply only where the condition described in (b) of C.A. C134 exists.

C138

9.10.1.1.

Assemblies required to be of noncombustible construction may be supported by combustible construction having at least the same fire-resistance rating as that supported.

C139

9.10.1.3.(8)

Existing installations acceptable subject to C.A.'s C23, C24 and C26.

C140

9.10.3.

Fire-resistance ratings may also be used where they are based on:

1. Guideline on Fire Ratings of Archaic Materials and Assemblies, HUD No. 8.

2. Fire Endurance of Protected Steel Columns and Beams, DBR Technical Paper No. 194.

3. Fire Endurance of Unit Masonry Walls, DBR Technical Paper No. 207.

4. Fire Endurance of Light-Framed and Miscellaneous Assemblies, DBR Technical Paper No. 222.

C141

9.10.5.1.v1

Existing openings in existing wall or ceiling membranes to remain. Existing openings may be moved to another location in the same wall or ceiling, provided the aggregate area of openings does not increase and are not accumulative, and the existing opening is blocked up to provide the same rating as the existing wall or ceiling assembly.

C142

9.10.6.2.

Existing heavy timber construction acceptable where construction is within 90% of member sizes listed in Part 3.

C143

9.10.7.

Existing acceptable for heritage buildings, subject to approval of chief building official.

C144

9.10.8.1.; 9.10.8.3.; 9.10.8.8.

(a) Except as provided in (b) and (c), 30 min rating is acceptable.

(b) In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, 15 min horizontal fire separation is acceptable where

(i) smoke alarms are installed in every dwelling unit and in common areas in conformance with Subsection 9.10.19. and

(ii) smoke alarms are interconnected.

(c) In detached houses, semi-detached houses townhouses and row houses containing not more than two dwelling units, the fire-resistance rating of the fire separation is waived where the building is sprinklered.

C145

9.10.9.7.; 9.10.9.9.

Existing acceptable in existing fire separations.

C146

9.10.9.10.(1)

Ceiling fire separation need not be fire-resistance rated where sprinklering, subject to C.A. C24, of fire compartments on both sides of vertical fire separation is provided and where such fire separation is not required to exceed 1 h.

C147

9.10.9.11.(1)

Except for hotels, 30 min fire separation acceptable.

C148

9.10.9.11.(2)

In lieu of the 2 h fire separation,sprinklers may be used in the mercantile occupancy or medium hazard industrial occupancy, with a 1 h fire separation.

C149

9.10.9.14.(1) and (3); 9.10.9.15.(1)

(a) Except as provided in (b) and (c), 30 min fire separation is acceptable.

(b) In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, 15 min horizontal fire separation is acceptable where

(i) smoke alarms are installed in every dwelling unit and in common areas in conformance with Subsection 9.10.19., and

(ii) smoke alarms are interconnected.

(c) In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, the fire-resistance rating of the fire separation is waived where the building is sprinklered.

C150

9.10.10.3.

(a) Except as provided in (b) and (c) and in Articles 9.10.10.5. and 9.10.10.6., 30 min fire separation is acceptable.

(b) In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, the fire-resistance rating of the vertical fire separation is waived where

(i) smoke alarms are installed in every dwelling unit and in common areas in conformance with Subsection 9.10.19., and

(ii) smoke alarms are interconnected.

(c) In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, the fire-resistance rating of the vertical fire separation is waived where service rooms are sprinklered.

C151

9.10.11.2.(1)

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, a party wall with 1 h fire-resistance rating is acceptable.

C152

9.10.13.1v1

Existing functional closures are acceptable subject to C.A.’s C8. and C153.

C153

9.10.13.2.(1)v1

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, existing unlabelled doors at least 45 mm solid core wood or metal clad are acceptable. For existing closures, ratings of 20 min will not be required where the entire floor area is sprinklered.

C154

9.10.13.2.(1)v1

In a building containing not more than four dwelling units or suites, existing glazed solid wood doors to corridors may remain in lieu of new 20 min doors, provided they are not located in a dead end corridor.

C155

9.10.13.3.

Existing acceptable provided that wood door frames are secured with hinge screws going through frame into the stud.

C156

9.10.13.5.

Existing wired glass acceptable.

Existing transoms or sidelights located in required fire separations may be retained if wired glass at least 6 mm thick is securely fixed to a wood frame of at least 50 mm thickness with steel stops. Operable transoms shall be fixed closed.

C157

9.10.13.6.

Existing steel door frames acceptable.

C158

9.10.13.7.

Existing glass block acceptable.

C159

9.10.13.8.

Existing sizes acceptable.

C160

9.10.13.9.

Existing operable latches acceptable.

C161

9.10.13.10.(1)

Existing functionally operable self-closing devices acceptable.

C162

9.10.13.11.

Existing operable self-releasing electromagnetic hold-open device acceptable, and except for hotels, fusible link hold-open devices acceptable.

C163

9.10.13.12.

Existing swings acceptable.

C164

9.10.13.13.(1)

In a building containing not more than four dwelling units, the existing heating or air conditioning system may be altered to serve more than one dwelling unit provided smoke alarms are installed in each dwelling unit and provided a smoke detector is installed in the supply or return air duct system serving the entire building which would turn off the fuel supply and electrical power to the heating system upon activation of such detector.

C165

9.10.13.13.(1)

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, existing acceptable.

C166

9.10.13.14.; 9.10.5.1.v1

In a building containing not more than four dwelling units, the existing heating or air conditioning system may be altered to serve more than one dwelling unit provided smoke alarms are installed in each dwelling unit and provided a smoke detector is installed in the supply or return air duct system serving the entire building which would turn off the fuel supply and electrical power to the heating system upon activation of such detector.

C167

9.10.5.1.v1

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, existing acceptable.

C168

9.10.14.4.v1; 9.10.15.4.v1

Existing windows.

(a) Existing windows in walls may be relocated to another part of the wall, provided the existing opening is blocked up to provide the same fire rating for the wall, and the projection of the new opening, at a right angle to the property line onto another building, lies no closer than 300 mm from a window in such other building, where the “opposite” window is less than 2 400 mm from the opposite new opening, and

(b) except relocation of units, to be restricted to the same fire compartment and shall conform to the requirements of Articles 3.2.3.13. or 9.10.12.3. where applicable, or

(c) where a building does not satisfy the requirements of Subsection 3.2.3. for the amount of openings facing a yard or space that does not have sufficient limiting distance, such existing openings are allowed to be relocated provided:

(i) such openings are not increased in size and they are protected with wired glass in steel frames conforming to Sentence 3.1.8.14.(2)v1, or

(ii) the building is sprinklered.

C169

9.10.14.2.(2) and (3); 9.10.14.4.(2)v1; 9.10.15.2.(2) and (3); 9.10.15.4.(4)v1

Where an addition to an existing residential building has its exposing building face further distant from the line than the existing exposing building face and the limiting distance is at least 1 200 mm, the total area of allowable unprotected openings may be determined under Sentences 9.10.14.2.(2) or 9.10.15.2.(2) for the combined new and existing exposing building faces, and

(a) where the existing exposing building face has no unprotected openings, or the existing unprotected openings are to be filled in, the total allowable area of unprotected openings may be installed in the new exposing building face, or

(b) where the existing unprotected openings are to remain, their area shall be deducted from the total allowable area of unprotected openings, and the balance may be installed in the new exposing building face, and

(c) Sentences 9.10.14.2.(3) and 9.10.14.4.(2)v1 or Sentences 9.10.15.2.(3) and 9.10.15.4.(4)v1 apply only to the new exposing building face.

C170

9.10.16.2.(1)

Where balloon framing is exposed during renovation, fire stopping shall be provided.

C171

9.10.18.

(a) Subject to approval by the chief building official, existing fire alarm system may remain where the Fire Safety Plan (as described in Subsection 2.8.2. of the Fire Code) for the building addresses the intent of Subsection 3.2.4. (i.e. “stage” system, electrical supervision, detection as required, Fire Department connection, and emergency power supply), and

(b) extension of an existing system must ensure continuity and compatibility, and integrity of the system.

C172

9.10.19.3.

Smoke alarms may be battery operated.

C173

9.10.20.

Existing access acceptable.

C174

9.14.2.1.(2)v1

Existing acceptable.

C175

9.18.2.

Existing access acceptable.

C176

9.18.3.

Existing vents and ventilation acceptable.

C177

9.19.

Existing acceptable.

C178

9.20.2.2.

Used masonry may be reused for patching and filling openings to match adjacent work. Used interior brick may not be used for exterior applications.

C179

9.20.3.

Archaic mortars may be used to match existing jointing.

C180

9.20.4.1.

Sound jointing techniques may be employed to match existing archaic joints.

C181

9.20.12.1.

Corbelling may be constructed to match existing or original details, provided that it is structurally adequate for the proposed use.

C182

9.21.

Existing acceptable, provided the products of combustion are safely vented, and provided no fire hazard is created.

C183

9.22.1. to 9.22.7.

Sound period materials, designs and techniques may be employed in recreated fireplaces, provided no fire hazard is created. Article 9.22.1.4. need not comply.

C184

9.23.

Existing acceptable.

C185

9.24.

Existing acceptable.

C186

9.25.

A vapour barrier may consist of paint or other coating with specified perm rating such as two coats of leafing aluminum pigmented paint.

C187

9.26.

Existing acceptable, except when removing and replacing shingles, comply with the eave protection requirements of Subsection 9.26.5.

C188

9.27.

Existing acceptable.

C189

9.28.

All replacement or recreation of existing stucco may be compatible with the existing materials and application.

C190

9.29.4.

Existing acceptable. All replacement or recreation of existing plaster may be compatible with the existing materials and application.

C191

9.32.

In detached houses, semi-detached houses, townhouses and row houses containing not more than two dwelling units, rooms or spaces in dwelling units to be ventilated by natural means in accordance with Subsection 9.32.2. or by providing adequate mechanical ventilation.

C192

9.33.1.1.

In a building containing not more than four dwelling units, the existing heating or air conditioning system may be altered to serve more than one dwelling unit provided smoke alarms are installed in each dwelling unit and provided a smoke detector is installed in the supply or return air duct system serving the entire building which would turn off the fuel supply and electrical power to the heating system upon activation of such detectors.

C193

9.33.1.2.

Sound, used or antique appliances are acceptable, provided that:

(a) visual examination shows no excessive weakening by corrosion or other damage,

(b) no structural parts are missing,

(c) no cracks are present in the components intended to support the appliance or enclose the fire, and

(d) loading and ash removal door latches and hinges hold the door closed.

C194

9.33.4.3.(1)v1

Carbon monoxide detectors may be battery operated or plugged into an electrical outlet

C195

9.34.4.1.

Existing meter mounting devices need not be relocated to these requirements during renovations.

C196

9.34.4.3.

Existing overhead and underground supply need not be relocated to these requirements during renovation.

C197

9.34.4.4.; 9.34.4.5.

Existing acceptable.

C198

9.37.

Sound used materials shall be acceptable for reuse, subject to the following limitations:

(a) visual examination shows no excessive weakening by holes, notches, nail splits or other damage, and

(b) logs have not been subjected to termite infestation.

NUMBER

PART 12 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

C199

12.3.1.2.(1)v1

Existing acceptable.

C200

12.3.2.

(a) Where the framing systems are being altered to match the existing framing, lesser amounts and extent of insulation and vapour barrier will be permitted.

(b) Existing acceptable for Articles 12.3.2.5. and 12.3.2.7.

(c) Existing previously occupied log houses that are dismantled and reconstructed are exempt from Article 12.3.2.9.

Col. 1

Column 2

Column 3

NUMBER

PART 3 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

DE1

3.1.4.6.

Existing heavy timber construction acceptable where construction is within 90% of member sizes listed in Part 3.

DE2

3.1.5.2.; 3.1.5.3.; 3.1.5.4.; 3.1.5.6.

Existing acceptable.

DE3

3.1.5.7.; 3.1.5.8.; 3.1.5.9.; 3.1.5.10.

Except for exposed foamed plastics, existing acceptable. To match existing, materials may be added from on or off site.

DE4

3.1.5.15.; 3.1.5.16.; 3.1.5.17.; 3.1.5.21.; 3.1.4.23.

Existing acceptable.

DE5

3.1.7.1.v1

Fire-resistance ratings may also be used where they are based on:

1. Guideline on Fire Ratings of Archaic Materials and Assemblies, HUD No. 8.

2. Fire Endurance of Protected Steel Columns and Beams, DBR Technical Paper No. 194.

3. Fire Endurance of Unit Masonry Walls, DBR Technical Paper No. 207.

4. Fire Endurance of Light-Framed and Miscellaneous Assemblies, DBR Technical Paper No. 222.

DE6

3.1.7.5.(3)

Existing assemblies required to be of noncombustible construction may be supported by combustible construction having at least the same fire-resistance rating as that supported.

DE7

3.1.8.1.(2); 3.1.8.6.

Existing functional closures are acceptable and may be relocated within the same existing fire separation.

DE8

3.1.8.5.(2)v1

(a) Existing functional and sound doors in existing buildings that are either hollow metal or kalamein and containing wired glass at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1 are permitted in lieu of doors not required to exceed 45 min,

(b) all existing functional and sound hollow doors which carry existing 1.5 h labels are acceptable in lieu of current 1.5 h labels and may contain wired glass panels not exceeding 0.0645 m², at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1, and

(c) every fire door, window assembly or glass block used as a closure in a required fire separation shall be installed in conformance with good engineering practice.

DE9

3.1.8.7.; 3.1.8.9.

Fire dampers or fire stop flaps are not required to be installed in existing ducts at penetrations of existing fire separations.

DE10

3.1.8.10.(1)v1

For existing unlabelled doors in existing buildings, at least 45 mm solid core wood or metal clad are acceptable.

DE11

3.1.8.13.

Existing functionally operable latching devices, excluding draw bolts, are acceptable.

DE12

3.1.8.14.v1

Existing transoms or sidelights located in required fire separations may be retained if wired glass, at least 6 mm thick, is securely fixed to a wood frame of at least 50 mm thickness with steel stops. Operable transoms shall be fixed closed.

DE13

3.1.8.15.; 3.1.8.16.; 3.1.8.17.

Existing acceptable.

DE14

3.1.11.

Where the concealed space is being materially altered, smoke or heat detection in that space in lieu of firestops and tied into fire alarm system is acceptable.

DE15

3.2.2.17.(1)(b) and (c)

Existing sprinkler systems in 1 storey buildings need not comply.

DE16

3.2.3.

Existing windows.

(a) Existing windows in walls may be relocated to another part of the wall, provided the existing opening is blocked up to provide the same fire rating for the wall, and the projection of the new opening, at a right angle to the property line onto another building, lies not closer than 300 mm from a window in such other building, where the “opposite” window is less than 2 400 mm from the opposite new opening, and

(b) except relocation of units, shall be restricted to the same fire compartment and shall conform to the requirements of Articles 3.2.3.14. or 9.10.12.3. where applicable, or

(c) where a building does not satisfy the requirements of Subsection 3.2.3. for the amount of openings facing a yard or space that does not have sufficient limiting distance, such existing openings are allowed to be relocated provided:

(i) such openings are not increased in size and they are protected with wired glass in steel frames conforming to Sentence 3.1.8.14.(2)v1, or

(ii) the building is sprinklered.

DE17

3.2.4.

(a) Existing fire alarm system may remain except that Article 3.2.4.5. does not apply where the “Fire Safety Plan” (as described in Subsection 2.8.2. of the Fire Code) for the building addresses the intent of Subsection 3.2.4. (i.e. “stage” system, electrical supervision, detection as required, Fire Department connection, and emergency power supply), and

(b) extension of an existing system must ensure continuity and compatibility, and integrity of the system.

DE18

3.2.5.1.; 3.2.5.2.

Existing acceptable.

DE19

3.2.5.3.

Existing access acceptable.

DE20

3.2.5.4.; 3.2.5.5.; 3.2.5.6.

Existing acceptable provided the building is sprinklered.

DE21

3.2.5.7.

Does not apply, except where a change in major occupancy occurs from a lesser hazard index.

DE22

3.2.5.13.

Existing sprinkler systems in existing buildings that do not conform to NFPA 13 may be altered, added to, or extended from the existing system without complying with NFPA 13, provided the system is operational and adequate with respect to coverage, water supply and controls, and provided the system is evaluated by a qualified designer.

DE23

3.2.6.

Reserved.

DE24

3.2.9.

Does not apply to buildings 6 storeys and less.

Does not apply to sprinklered buildings.

DE25

3.3.1.5.(1)(c); Tables 3.3.1.5.A. and 3.3.1.5.B.

In Column 2, maximum area of room or suite to be unlimited.

DE26

3.3.1.9.(1)

Existing width of public corridors of not less than 914 mm is acceptable.

DE27

3.3.1.10.; 3.3.1.11.

Existing door swings may remain in heritage buildings, existing or being restored, with no change in major occupancy and with occupant load no greater than 100.

DE28

3.3.1.12.

Existing doors acceptable, provided not less than 600 mm wide.

DE29

3.3.1.15.

Existing curved or spiral stairs acceptable.

DE30

3.3.1.16.

Existing non-conforming capacities of access to exits are acceptable, provided that:

(a) the increase in occupant load is not greater than 15%,

(b) the corridor fire separations are rated to Code, and

(c) early warning systems are provided, or

(d) there are sprinklers, plus smoke alarms in suites.

DE31

3.3.1.17.

Does not apply to heritage buildings.

DE32

3.3.1.18.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

DE33

3.2.3.17.

Need not comply for “E” occupancy.

DE34

3.3.5.4.; 3.3.5.7.(3)

Need not comply where a gasketed door and self closer are provided in the existing fire separation.

DE35

3.4.1.4.

The following types of exits may also be used for buildings not over 6 storeys in building height:

(a) Connected balconies, which connect across firewalls, or connect to another exit, or with access to grade.

(b) Areas of refuge where fire service rescue is possible and that comply with Measure L of Sentences (4) to (10), (18), and (20)(a), (b) and (d) in Supplementary Standard SB-4.

DE36

3.4.1.8.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

DE37

3.4.2.5.(1)

Existing travel distance acceptable where floor area is sprinklered.

DE38

3.4.3.2.(7)v1

Existing width of exits acceptable provided the occupant load in not more than 15% above the exit capacity.

DE39

3.4.3.4.

Existing acceptable.

DE40

3.4.3.5.

Existing headroom clearance of not less than 1 980 mm is acceptable.

DE41

3.4.4.1.

Fire separations of exits permitted in buildings:

- 30 min, up to 3 storeys in building height;

- 45 min, up to 6 storeys in building height;

- 1 h, over 6 storeys in building height.

DE42

3.4.4.4.(7)v1

Existing washrooms opening directly into exit stairwell shall be separated from exit stairwell by a 45 min closure.

DE43

3.4.5.1.(2)v1 and (7)

Existing illuminated legible exit signs are acceptable.

DE44

3.4.6.1.

Existing acceptable.

DE45

3.4.6.2.

Existing acceptable, if visually apparent.

DE46

3.4.6.3.(1) and (2)

Existing acceptable with rise no greater than 3.7 m.

DE47

3.4.6.3.(3) and (4)

Existing acceptable.

DE48

3.4.6.4.(2)v1 to (8)

Existing acceptable.

DE49

3.4.6.5.(1) to (5)

Existing acceptable.

DE50

3.4.6.6.(1)

Existing acceptable.

DE51

3.4.6.7.; 3.4.6.8.

Existing acceptable.

DE52

3.4.6.9.(2) to (6)

Existing acceptable.

DE53

3.4.6.10.(1) and (2)

Existing acceptable.

DE54

3.4.6.11.

Existing acceptable in public heritage buildings or a change in occupancy with no increase in occupant load.

DE55

3.4.6.12.; 3.4.6.13.

Existing acceptable.

DE56

3.4.6.15.

Existing functionally operable panic hardware acceptable.

DE57

3.4.7.2.

Combustible fire escapes which are protected from fire in accordance with Sentence 3.2.3.13.(2) are permitted or may be reconstructed or recreated (as in the case of a heritage building.)

DE58

3.5.1.

Existing acceptable except where building is classified under Subsection 3.2.6.

DE59

3.6.2.1.(7)

Existing fire separation of not less than 30 min is acceptable

DE60

3.6.2.2.

Existing acceptable where explosion-resistant construction or venting is provided.

DE61

3.6.2.6.

Existing acceptable.

DE62

3.6.2.8.(1)

2 h fire separation acceptable.

DE63

3.6.3.1.(1) to (5)

45 min fire separation acceptable up to 6 storeys.

DE64

3.6.3.3.

(a) Where 2 h fire separation is required, 1 h is acceptable.

(b) Where 1 h fire separation is required, 45 min is acceptable.

(c) Existing need not comply with Sentence 3.6.3.3.(5).

DE65

3.6.4.2.

Ceiling fire separation need not be fire-resistance rated where sprinklering, subject to C.A. DE24, of fire compartments on both sides of vertical fire separation is provided and where such fire separation is not required to exceed 1 h.

DE66

3.6.4.3.(1)

Existing to meet flame-spread rating of 25 or to be sprinklered.

DE67

3.6.4.4.; 3.6.4.5.; 3.6.4.6.

Existing access acceptable.

DE68

3.7.4.

Where the occupant load is increased by more than 15% above the capacity of the existing facilities, facilities to be added to accommodate the increase.

DE69

3.8.1.2.

Existing accessible entrance acceptable.

Existing curb ramp conforming to Sentence 3.8.3.2.(3) is acceptable.

DE70

3.8.1.3.(1)

Existing unobstructed width of 920 mm minimum is acceptable.

DE71

3.8.1.3.(4)

Existing unobstructed space not less than 1500 mm in width and 1500 mm in length located not more than 30 m apart is acceptable.

DE72

3.8.3.3.(1)v1

Existing doorway acceptable, provided not less than 810 mm wide.

DE73

3.8.3.4.(1)(a)v1

Existing ramp acceptable, provided not less than 870 mm between handrails.

DE74

3.8.3.8.(1)(d)(i)v1

Existing grab bar is acceptable.

DE75

3.8.3.13.(1)(f)

Existing grab bar is acceptable.

NUMBER

PART 4 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

DE76

4.1.8.

The requirements under this Subsection do not apply.

NUMBER

PART 6 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

DE77

6.2.2.1.(2)v1

Required outdoor air rates may be provided by mechanical, natural or combination of natural and mechanical means.

DE78

6.2.3.2.; 6.2.3.9.v1; 6.2.3.18; 6.2.3.19.

Existing acceptable.

DE79

6.2.3.13.

Existing openings, grilles and diffusers acceptable, subject to approval of chief building official.

DE80

6.2.4.2.(1); 6.2.4.3.(1) to (3) and (5)

Existing acceptable.

DE81

6.2.4.3.(10)

Where the duct system is being altered, lesser amounts and extent of insulation will be permitted.

DE82

6.2.9.2.

Existing acceptable.

NUMBER

PART 8 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

DE83

8.2.1.4.

Existing clearances acceptable where: a sewage system is replaced with another sewage system within the same class; and, the capacity of the replacement sewage system does not exceed the capacity of the existing sewage system.

DE84

8.2.1.4.

Existing clearances are acceptable where a replacement sewage system requires lesser clearances than those required in Part 8 for the existing sewage system.

NUMBER

PART 9 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

DE85

9.3.2.1.v1

Sound used lumber may be acceptable for reuse without a grade stamp provided that:

(a) visual examination shows no excessive weakening by holes, notches, nail splits or other damage,

(b) where the grade or species is unknown, the minimum grade shall apply for span table use, and

(c) lumber has not been subjected to termite infestation.

DE86

9.6.3.2.

Except where required in Article 9.9.2.1.(4) existing acceptable, provided not less than 600 mm.

DE87

9.6.5.

Existing acceptable.

DE88

9.6.6.2.v1; 9.6.6.3.

Existing doors and sidelights being reused or relocated need not conform if identified or protected.

DE89

9.7.1.7.

Existing acceptable.

DE90

9.7.5.

Existing acceptable.

DE91

9.8.1. to 9.8.4.

Replacement or extension of existing stair systems shall be exempt from the provisions of these Articles, except that they shall have:

(a) a minimum width between wall faces of 700 mm, and

(b) a minimum clear height over tread nosing or landing of 1 800 mm.

DE92

9.8.3.2.

Existing acceptable.

DE93

9.8.4.4.

Existing curved or spiral stairs acceptable.

DE94

9.8.5.1.(2)

Existing ramps acceptable, where practical.

DE95

9.8.7.

Existing handrails acceptable, unless considered unsafe by chief building official.

DE96

9.8.8.

Existing guards acceptable, unless considered unsafe by chief building official.

DE97

9.9.1.1.

Existing acceptable.

DE98

9.9.2.1.(1) to (3)

The following types of exits may also be used:

(a) connected balconies, which connect across firewalls, or connect to another exit, or with access to grade,

(b) areas of refuge, approved by the chief building official, where fire service rescue is possible, or

(c) combustible or noncombustible exterior stairways or fire escapes which are protected in accordance with Sentence 3.2.3.13.(2). These may be reconstructed or recreated (as in the case of a heritage building).

DE99

9.9.2.1.(4)

Existing acceptable.

DE100

9.9.3.2.

Existing width of exits acceptable.

DE101

9.9.3.3.

Existing width of public corridors of not less than 965 mm is acceptable.

NUMBER

PART 9 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

DE102

9.9.3.4.

Existing clear height of not less than 1 950 mm is acceptable.

DE103

9.9.4.2.

30 min fire separation acceptable.

DE104

9.9.5.4.; 9.9.5.5.

Existing acceptable.

DE105

9.9.5.8.

Existing acceptable provided minimum 45 min fire separation and where explosion-resistant construction or venting is provided.

DE106

9.9.5.9.

Existing acceptable, provided that the enclosure has a 45 min fire-resistance rating.

DE107

9.9.6.1.

Existing acceptable.

DE108

9.9.6.2.

Existing clear opening height of not less than 1 950 mm is acceptable, with existing door heights to be acceptable.

DE109

9.9.6.3.v1

Existing door widths are acceptable, provided exit widths comply with C.A. DE101.

DE110

9.9.6.5.v1

Existing door swings are acceptable.

Existing acceptable in public heritage buildings, where approved by chief building official.

DE111

9.9.6.6.(1)

Where exit doors open onto a landing, they shall not extend beyond the face of the first riser.

DE112

9.9.6.8.

Existing functionally operable passage or panic hardware acceptable.

DE113

9.9.7.4.

Maximum area of existing room or suite to be unlimited.

DE114

9.9.8.2.(1)

Existing travel distance acceptable where floor area is sprinklered and provided fire separations comply with Part 9.

DE115

9.9.10.6.

Existing illuminated legible signs are acceptable for exit signs, if approved by chief building official.

DE116

9.10.1.1.

Assemblies required to be of noncombustible construction may be supported by combustible construction having at least the same fire-resistance rating as that supported.

DE117

9.10.1.3.(8)

Existing installations acceptable subject to C.A.'s DE22 and DE24.

DE118

9.10.3.

Fire-resistance ratings may also be used where they are based on:

1. Guideline on Fire Ratings of Archaic Materials and Assemblies, HUD No. 8.

2. Fire Endurance of Protected Steel Columns and Beams, DBR Technical Paper No. 194.

3. Fire Endurance of Unit Masonry Walls, DBR Technical Paper No. 207.

4. Fire Endurance of Light-Framed and Miscellaneous Assemblies, DBR Technical Paper No. 222.

DE119

9.10.5.1.v1

(a) Existing openings in existing wall or ceiling membranes to remain.

(b) Existing openings may be moved to another location in the same wall or ceiling, provided the aggregate area of openings does not increase and are not cumulative, and the existing opening is blocked up to provide the same rating as the existing wall or ceiling assembly.

DE120

9.10.6.2.

Existing heavy timber construction acceptable where construction is within 90% of the member sizes listed in Part 3.

DE121

9.10.7.

Existing acceptable for heritage buildings, subject to approval of chief building official.

DE122

9.10.8.1.

Existing 30 min rating acceptable.

DE123

9.10.8.2.

Existing sprinkler systems complying with C.A. DE24 and Sentence 3.2.2.17.(1) are acceptable.

DE124

9.10.8.3.

Existing acceptable, subject to approval of the chief building official.

DE125

9.10.8.8.

30 min rating acceptable.

DE126

9.10.9.7.; 9.10.9.9.

Existing acceptable in existing fire separations.

DE127

9.10.9.10.(1)

Ceiling fire separation need not be fire-resistance rated where sprinklering of fire compartments on both sides of vertical fire separation is provided and where such fire separation is not required to exceed 1 h.

DE128

9.10.9.11.(2)

In lieu of the 2 h fire separation, sprinklers may be used in the mercantile occupancy with a 1 h fire separation.

DE129

9.10.9.13.

30 min fire separation acceptable.

DE130

9.10.9.15.(1)

30 min fire separation acceptable.

DE131

9.10.9.15.(3)

Need not comply for mercantile occupancy.

DE132

9.10.10.3.(1)

45 min fire separation acceptable.

DE133

9.10.13.1.v1

Existing functional closures are acceptable subject to C.A. DE8.

DE134

9.10.13.2.v1

Existing acceptable.

DE135

9.10.13.3.

Existing acceptable, provided that wood door frames are secured with hinge screws going through frame into the stud.

DE136

9.10.13.5.

Existing acceptable.

Existing transoms or sidelights located in required fire separations may be retained if wired glass, at least 6 mm thick, is securely fixed to a wood frame of at least 50 mm thickness with steel stops. Operable transoms shall be fixed closed.

DE137

9.10.13.6.

Existing steel door frames acceptable.

DE138

9.10.13.7.

Existing glass block acceptable.

DE139

9.10.13.8.

Existing sizes acceptable.

DE140

9.10.13.9.

Existing operable latches acceptable.

DE141

9.10.13.10.(1)

Existing functionally operable self-closing device acceptable.

DE142

9.10.13.10.(2)

Existing functionally operable self-closing devices acceptable in “E” occupancy.

DE143

9.10.13.11.

Existing operable self-releasing electromagnetic and fusible link hold-open devices acceptable.

DE144

9.10.13.12.

Existing swings acceptable.

DE145

9.10.14.4.v1

Existing windows.

(a) Existing windows in walls may be relocated to another part of the wall, provided the existing opening is blocked up to provide the same fire rating for the wall, and the projection of the new opening, at a right angle to the property line onto another building, lies no closer than 300 mm from a window in such other building, where the “opposite” window is less than 2 400 mm from the opposite new opening, and

(b) except relocation of units, to be restricted to the same fire compartment and shall conform to the requirements of Articles 3.2.3.14. or 9.10.12.3. where applicable, or

(c) where a building does not satisfy the requirements of Subsection 3.2.3. for the amount of openings facing a yard or space that does not have sufficient limiting distance, such existing openings are allowed to be relocated provided:

(i) such openings are not increased in size and they are protected with wired glass in steel frames conforming to Sentence 3.1.8.14.(2)v1, or

(ii) the building is sprinklered.

DE146

9.10.16.2.(1)

Where balloon framing is exposed during renovation, fire stopping shall be provided.

DE147

9.10.18.

(a) Subject to approval by the chief building official, existing fire alarm system may remain where the Fire Safety Plan (as described in Subsection 2.8.2. of the Fire Code) for the building addresses the intent of 3.2.4. (i.e. “stage’ system, electrical supervision, detection as required, Fire Department connection, and emergency power supply), and

(b) extension of an existing system must ensure continuity and compatibility.

DE148

9.10.20.

Existing access acceptable.

DE149

9.18.2.

Existing access acceptable.

DE150

9.18.3.

Existing vents and ventilation acceptable.

DE151

9.19.

Existing acceptable.

DE152

9.20.2.2.

Used masonry may be reused for patching and filling openings to match adjacent work. Used interior brick may not be used for exterior applications.

DE153

9.20.3.

Archaic mortars may be used to match existing jointing.

DE154

9.20.4.1.

Sound jointing techniques may be employed to match existing archaic joints.

DE155

9.20.12.1.

Corbelling may be constructed to match existing or original details, provided that it is structurally adequate for the proposed use.

DE156

9.21.

Existing acceptable, provided the products of combustion are safely vented and provided no fire hazard is created.

DE157

9.22.1. to 9.22.7.

Sound period materials, designs and techniques may be employed in recreated fireplaces, provided no fire hazard is created.

Existing need not comply with Article 9.22.1.4.

DE158

9.23.

Existing acceptable.

DE169

9.24.

Existing acceptable.

DE160

9.25.

Reserved.

DE161

9.26.

Existing acceptable, except when removing and replacing shingles, comply with eave protection requirements in Subsection 9.26.5.

DE162

9.27.

Existing acceptable.

DE163

9.28.

All replacement or recreation of existing stucco may be compatible with the existing materials and application.

DE164

9.29.4.

Existing acceptable. All replacement or recreation of existing plaster may be compatible with the existing materials and application.

DE165

9.33.1.2.

Sound, used or antique appliances are acceptable, provided that:

(a) visual examination shows no excessive weakening by corrosion or other damage,

(b) no structural parts are missing,

(c) no cracks are present in the components intended to support the appliance or enclose the fire, and

(d) loading and ash removal door latches and hinges hold the door closed.

DE166

9.34.4.1.; 9.34.4.3.

Existing meter mounting devices and overhead and underground supply need not be relocated to these requirements during renovations.

DE167

9.34.4.4.; 9.34.4.5.

Existing acceptable.

DE168

9.37.

Sound used materials shall be acceptable for reuse, subject to the following limitations:

(a) visual examination shows no excessive weakening by holes, notches, nail splits or other damage, and

(b) logs have not be subjected to termite infestation.

Col. 1

Column 2

Column 3

NUMBER

PART 3 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

F1

3.1.4.6.

Existing heavy timber construction acceptable where construction is within 90% of member sizes listed in Part 3.

F2

3.1.5.2.; 3.1.5.3.; 3.1.5.4.; 3.1.5.6.

Existing acceptable.

F3

3.1.5.7.; 3.1.5.8.; 3.1.5.9.; 3.1.5.10.

Except for exposed foamed plastics, existing acceptable for “F2” and “F3” occupancies. To match existing, materials may be added from on or off site.

F4

3.1.5.15.; 3.1.5.16.; 3.1.5.17.; 3.1.5.21.; 3.1.5.23.

Existing acceptable.

F5

3.1.7.1.v1

Fire-resistance ratings may also be used where they are based on:

1. Guideline on Fire Ratings of Archaic Materials and Assemblies, HUD No. 8.

2. Fire Endurance of Protected Steel Columns and Beams, DBR Technical Paper No. 194.

3. Fire Endurance of Unit Masonry Walls, DBR Technical Paper No. 207.

4. Fire Endurance of Light-Framed and Miscellaneous Assemblies, DBR Technical Paper No. 222.

F6

3.1.7.5.(3)

Existing assemblies required to be of noncombustible construction may be supported by combustible construction having at least the same fire-resistance rating as that supported.

F7

3.1.8.1.(2); 3.1.8.6.

Existing functional closures are acceptable and may be relocated within the same fire separation.

F8

3.1.8.5.(2)v1

(a) Existing functional and sound doors in existing buildings that are either hollow metal or kalamein and containing wired glass at least 6 mm (0.236 in) thick and conforming to Sentence 3.1.8.14.(2)v1 are permitted in lieu of doors not required to exceed 45 min,

(b) all existing functional and sound hollow metal or kalamein doors which carry existing 1.5 h labels are acceptable in lieu of current 1.5 h labels and may contain wired glass panels not exceeding 0.0645 m², at least 6 mm thick and conforming to Sentence 3.1.8.14.(2)v1, and

(c) every fire door, window assembly or glass block used as a closure in a required fire separation shall be installed in conformance with good engineering practice.

F9

3.1.8.7.; 3.1.8.9.

Fire dampers or fire stop flaps are not required to be installed in existing ducts at penetrations of existing fire separations.

F10

3.1.8.10.(1)v1

For existing unlabelled doors in existing buildings, at least 45 mm solid core wood or metal clad are acceptable.

F11

3.1.8.11.(1)

Existing functionally operable devices acceptable for “F2” and “F3” occupancies.

F12

3.1.8.13.

Existing functionally operable latching devices, excluding draw bolts, are acceptable.

F13

3.1.8.14.v1

Existing transoms or sidelights located in required fire separations may be retained if wired glass, at least 6 mm thick, is securely fixed to a wood frame of at least 50 mm thickness with steel stops. Operable transoms shall be fixed closed.

F14

3.1.8.15.; 3.1.5.16.; 3.1.8.17.

Existing acceptable.

F15

3.1.11.

Where the concealed space is being materially altered, smoke or heat detection in that space in lieu of firestops and tied into fire alarm system is acceptable.

F16

3.2.2.17.(1)(b) and (c)

Existing sprinkler systems in 1 storey buildings need not comply.

F17

3.2.3.

Existing need not comply with Article 3.2.3.18. For “F2” occupancy.

Existing windows.

(a) Existing windows in walls may be relocated to another part of the wall, provided the existing opening is blocked up to provide the same fire rating for the wall, and the projection of the new opening, at a right angle to the property line onto another building, lies not closer than 300 mm from a window in such other building, where the “opposite” window is less than 2 400 mm from the opposite new opening, and

(b) except relocation of units, shall be restricted to the same fire compartment and shall conform to the requirements of Articles 3.2.3.14. or 9.10.12.3. where applicable, or

(c) where a building does not satisfy the requirements of Subsection 3.2.3. for the amount of openings facing a yard or space that does not have sufficient limiting distance, such existing openings are allowed to be relocated provided:

(i) such openings are not increased in size and they are protected with wired glass in steel frames conforming to Sentence 3.1.8.14.(2)v1, or

(ii) the building is sprinklered.

F18

3.2.3.17.

Need not comply for “F2” occupancy.

F19

3.2.4.

(a) Existing fire alarm system may remain except that Article 3.2.4.5. does not apply where the “Fire Safety Plan” (as described in Subsection 2.8.2. of the Fire Code) for the building addresses the intent of Subsection 3.2.4. (i.e. “stage” system, electrical supervision, detection as required, Fire Department connection, and emergency power supply), and

(b) extension of an existing system must ensure continuity and compatibility, and integrity of the system.

F20

3.2.5.1; 3.2.5.2.

Existing acceptable.

F21

3.2.5.3.

Existing access acceptable.

F22

3.2.5.4.; 3.2.5.5.;3.2.5.6.

Existing acceptable provided the building is sprinklered.

F23

3.2.5.7.

Does not apply, except where a change in major occupancy occurs from a lesser hazard index.

F24

3.2.5.13.

Existing sprinkler systems in existing buildings that do not conform to NFPA 13 may be altered, added to, or extended from the existing system without complying with NFPA 13, provided the system is operational and adequate with respect to coverage, water supply and controls, and provided the system is evaluated by a qualified designer.

F25

3.2.6.

Reserved.

F26

3.2.9.

May not apply to buildings 6 storeys and less of “F2” and “F3” occupancies. Does not apply to sprinklered buildings.

F27

3.3.1.4.(1)v1

30 min is acceptable to separate public corridors or exits in buildings not exceeding 6 storeys in building height, except that 45 min is required for exits in buildings exceeding 3 storeys in building height.

Except for exits, no rating required where floor areas are sprinklered.

F28

3.3.1.5.(1)(c); Tables 3.3.1.5.A. and 3.3.1.5.B.

For “F2” and “F3” occupancies in Column 2, maximum area of room or suite to be unlimited.

F29

3.3.1.9.

Existing width of public corridors of not less than 914 mm is acceptable.

F30

3.3.1.9.(13) and (14)

Need not comply where connected balcony or area of refuge is provided complying with C.A. F37.

F31

3.3.1.10.; 3.3.1.11.

Existing door swings may remain in heritage buildings, existing or being restored, with no change in major occupancy and with occupant load no greater than 100.

F32

3.3.1.12.

Existing doors acceptable, provided not less than 600 mm wide.

F33

3.3.1.15.

Existing curved or spiral staircase acceptable.

F34

3.3.1.18.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

F35

3.3.5.4.(2), (3), and (5)

Existing acceptable.

F36

3.3.5.6.; 3.3.5.7.

Need not comply where a gasketed door and self closer are provided in the existing fire separation.

F37

3.4.1.4.

For “F2” and “F3” occupancies, the following types of exits may also be used for buildings not over 6 storeys in building height:

(a) connected balconies, which connect across firewalls, or connect to another exit, or with access to grade.

(b) areas of refuge where fire service rescue is possible and that comply with Measure L in Sentences (4) to (10) and (20)(a), (b) and (d) in Supplementary Standard SB-4.

F38

3.4.1.8.

Existing stained, etched, bevelled, leaded or figured glass acceptable.

F39

3.4.2.5.(1)

For “F2” and “F3” occupancies, existing travel distance acceptable where the floor area is sprinklered.

F40

3.4.3.2.(7)v1

For “F2” and “F3” existing width of exits acceptable provided the occupant load in not more than 15% above the exit capacity.

F41

3.4.3.4.

Existing acceptable.

F42

3.4.3.5.

Existing headroom clearance of not less than 1 980 mm is acceptable.

F43

3.4.4.1.

Fire separations of exits permitted in buildings:

- 30 min, up to 3 storeys in building height;

- 45 min, up to 6 storeys in building height;

- 1 h, over 6 storeys in building height.

F44

3.4.4.4.(7)v1

Existing washrooms opening directly into exit stairwell shall be separated from exit stairwell by 45 min closure.

F45

3.4.5.1.(2)v1 and (7)

Existing illuminated legible exit signs are acceptable.

F46

3.4.6.1.

Existing acceptable.

F47

3.4.6.2.

Existing acceptable, if visually apparent.

F48

3.4.6.3.(1) and (2)

Existing acceptable with rise no greater than 3.7 m.

F49

3.4.6.3.(3) and (4)

Existing acceptable.

F50

3.4.6.4.(2)v1 to (8)

Existing acceptable.

F51

3.4.6.5.(1) to (5)

Existing acceptable.

F52

3.4.6.6.(1)

Existing acceptable.

F53

3.4.6.7.; 3.4.6.8.

Existing acceptable.

F54

3.4.6.9.(2) to (6)

Existing acceptable.

F55

3.4.6.10.(1) and (2)

Existing acceptable.

F56

3.4.6.11.

For “F2” and “F3” existing acceptable in public heritage buildings or a change in occupancy with no increase in occupant load.

F57

3.4.6.12.; 3.4.6.13.

Existing acceptable.

F58

3.4.6.15.

Existing functionally operable panic hardware acceptable.

F59

3.4.7.2.

Combustible fire escapes which are protected from fire in accordance with Sentence 3.2.3.13.(2) are permitted or may be reconstructed or recreated (as in the case of a heritage building).

F60

3.5.1.

Existing acceptable, except where building classified under Subsection 3.2.6. and except where existing elevators are “open” type.

F61

3.6.2.1.(7)

45 min fire separation acceptable.

F62

3.6.2.2.

Existing acceptable where explosion-resistant construction or venting is provided.

F63

3.6.2.6.

Existing acceptable.

F64

3.6.2.8.(1)

2 h fire separation acceptable.

F65

3.6.3.1.(1) to (5)

45 min fire separation acceptable up to 6 storeys.

F66

3.6.3.3.

(a) Where 2 h fire separation is required, 1 h is acceptable.

(b) Where 1 h fire separation is required, 45 min is acceptable.

(c) Existing need not comply with Sentences 3.6.3.3.(4) and (5).

F67

3.6.4.2.

Ceiling fire separation need not be fire-resistance rated where sprinklering, subject to C.A. F24, of fire compartments on both sides of vertical fire separation is provided and where such fire separation is not required to exceed 1 h.

F68

3.6.4.3.(1)

Existing to meet flame-spread rating of 25 or to be sprinklered.

F69

3.6.4.4.; 3.6.4.5.; 3.6.4.6.

Existing access acceptable.

F70

3.7.4.

Where the occupant load is increased by more than 15% above the capacity of the existing facilities, facilities to be added to accommodate the increase.

F71

3.8.1.2.

Existing accessible entrance acceptable.

Existing curb ramp conforming to Sentence 3.8.3.2.(3) is acceptable.

F72

3.8.1.3.(1)

Existing unobstructed width of 920 mm minimum is acceptable.

F73

3.8.1.3.(4)

Existing unobstructed space not less than 1500 mm in width and 1500 mm in length located not more than 30 m apart is acceptable.

F74

3.8.3.3.(1)v1

Existing doorway acceptable, provided not less than 810 mm wide.

F75

3.8.3.4.(1)(a)v1

Existing ramp acceptable, provided not less than 870 mm between handrails.

F76

3.8.3.8.(1)(d)(i)v1

Existing grab bar is acceptable.

F77

3.8.3.13.(1)(f)

Existing grab bar is acceptable.

F78

4.1.8.

The requirements under this Subsection do not apply.

NUMBER

PART 6 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

F79

6.2.2.3.(1), (3), and (4)

Storage garages with a total capacity of fewer than 20 motor vehicles need not have mechanical ventilating systems if the downward slope of the floor to the outside door is 1 in 120 and the garage floor is above outside ground level.

F80

6.2.3.2.; 6.2.3.9.v1; 6.2.3.18; 6.2.3.19.

Existing acceptable for “F2” and “F3” occupancies.

F81

6.2.3.13.

Existing openings, grilles and diffusers acceptable.

F82

6.2.4.2.(1); 6.2.4.3.(1) to (3) and (5)

Existing acceptable.

F83

6.2.4.3.(10)

Where the duct system is being altered, lesser amounts and extent of insulation will be permitted.

F84

6.2.9.2.

Existing acceptable for “F2” and “F3” occupancies.

NUMBER

PART 8 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

F85

8.2.1.4.

Existing clearances acceptable where: a sewage system is replaced with another sewage system within the same class; and, the capacity of the replacement sewage system does not exceed the capacity of the existing sewage system.

F86

8.2.1.4.

Existing clearances are acceptable where a replacement sewage system requires lesser clearances than those required in Part 8 for the existing sewage system.

NUMBER

PART 9 REQUIREMENTS

PART 11 COMPLIANCE ALTERNATIVE

F87

9.3.2.1.v1

Sound used lumber may be acceptable for reuse without a grade stamp provided that:

(a) visual examination shows no excessive weakening by holes, notches, nail splits or other damage,

(b) where the grade or species is unknown, the minimum grade shall apply for span table use, and

(c) lumber has not been subjected to termite infestation.

F88

9.6.3.2.

Except where required in Article 9.9.2.1.(4) existing acceptable, provided not less than 600 mm.

F89

9.6.5.

Existing acceptable.

F90

9.6.6.2.v1; 9.6.6.3.

Existing doors and sidelights being reused or relocated need not conform if identified or protected.

F91

9.7.1.7.

Existing acceptable.

F92

9.7.5.

Existing barriers acceptable.

F93

9.8.1. to 9.8.4.

Replacement or extension of existing stair systems shall be exempt from the provisions of these Articles, except that they shall have:

(a) a minimum width between wall faces of 700 mm, and

(b) a minimum clear height over tread nosing or landing of 1 800 mm.

F94

9.8.4.4.

Existing curved or spiral stairs acceptable.

F95

9.8.5.1.(2)

Existing ramps acceptable, where practical.

F96

9.8.7.

Existing handrails acceptable, unless considered unsafe by chief building official.

F97

9.8.8.

Existing guards acceptable, unless considered unsafe by chief building official.

F98

9.8.9.6.(4)v1

Existing acceptable.

F99

9.9.1.1.

Existing acceptable.

F100

9.9.2.2.(1) to (3)

The following types of exits may also be used:

(a) connected balconies, which connect across firewalls, or connect to another exit, or with access to grade,