3.1.10.7. Combustible Projections

 Articles need to know!!!

3.1.10.7. Combustible Projections

1) Combustible material shall not extend across the end of a firewall but is permitted to extend across a roof above a firewall that is terminated in conformance with the Sentence 3.1.10.3.(2).

2) If buildings are separated by a firewall, combustible projections on the exterior of one building, including balconies, platforms, canopies, eave projections and stairs, That extend outward beyond the end of the firewall, shall not be permitted within 2.4m of combustible projections and window or door openings of the adjacent buildings.

Question:

When is combustible material permitted to extend across a roof above a firewall?

3.1.10.4 Parapets

 3.1.10.4 Parapets

1) Except as permitted by Sentences (2) and 3.1.10.3.(2), a firewall shall extend above the roof surface to form a parapet not less than

a) 150 mm high for a firewall required to have a fire-resistance rating not less than 2h

b) 900 mm high for a firewall required to have a fire-resistance rating not less than 4h

2) A firewall that separates 2 buildings with roofs at different elevations need not extend above the upper roof surface to form a parapet, provided the difference in elevation between the roofs is more than 3m.

Question:

What will you be looking for to determine if a building is separated by a firewall?

Please leave your answer by comments.

3.1.9.6. Openings through a Membrane Ceiling

 Articles need to know!!!

3.1.9.6. Openings through a Membrane Ceiling

1) A membrane ceiling forming part of an assembly assigned a fire-resistance rating on the basis of Appendix D is permitted to be penetrated by openings leading into ducts within the ceiling space, provided

a) the ducts are sheet steel, and

b) the number of openings and their protection conform to the requirements of Appendix D

Question:

Are recessed lighting fixtures are permitted to penetrate the membrane ceiling with fire resistance rating?

Please leave your answer by comments.

3.2.3.19. Walkway between Buildings

 Articles need to know!!!

3.2.3.19. Walkway between Buildings

1) Except as required by Sentence 3.2.3.20.(2), if buildings are connected by a walkway, each building shall be separated from the walkway by a fire separation with a fire resistance rating not less than 45min.

Question: Is walkway a public corridor?

Please have your answer by comments.

3.4.4.4. Integrity of Exits

 Articles need to know!!!

3.4.4.4. Integrity of Exits

6) An exit shall be designed for no purpose other than for exiting, except that an exit is permitted also to be designed to serve as an access to a floor area.

Question:

Does an entrance to a building have to be an exit?

Please leave your answer by comments.

3.1.8.14. Hold Open Devices

 Articles need to know!!!

3.1.8.14. Hold Open Devices

1) Except as provided in Sentence 3.1.8.10. (2) and 3.1.8.11. (3), a hold-open device is permitted to be used on a closure in a required fire separation, other than on an exit stair door in a building more than 3 storeys in building height and on a door for a vestibule required by 3.3.5.7., provided the device is designated to release the closure in conformance with this Article.

3.1.8.13. Self-closing Devices

 Articles need to know!!!

3.1.8.13. Self-closing Devices

1) Except as permitted by Sentence (2), every door in a fire separation, other than doors to freight elevators and dumbwaiters, shall be equipped with a self-closing device designated to return the door to the closed position after each use.

2) A self-closing device need not be provided on a door that is located between

a) a classroom and a corridor providing access to exit from the classroom in a building that is not more than 3 storeys in building height,

b) a public corridor and an adjacent room of business and personal service occupancy in a building that is not more than 3 storeys in building height provided the door is not located in a dead-end portion of the corridor,

c) a patients' sleeping room and a corridor serving the patients' sleeping room, provided the room and corridor are within a fire compartment in a hospital or nursing home with treatment that complies with the requirements of Article 3.3.3.5., or

d) a patients' sleeping room and an adjacent room that serves the patients' sleeping room, provided these rooms are within a fire compartment in a hospital or nursing home with treatment that complies with the requirements of Article 3.3.3.5.

3.1.8.7. Location of Fire Dampers and Smoke Dampers

 Articles need to know!!!

3.1.8.7. Location of Fire Dampers and Smoke Dampers

1) Except as provided in Article 3.1.8.8., a fire damp having a fire protection rating conforming to Sentence 3.1.8.4.(2) shall be installed in conformance with Article 3.1.8.10. in ducts or air-transfer openings that penetrate an assembly required to be a fire separation.

2) Except as provided in Article 3.1.8.9., a smoke damper or a combination smoke/fire damper shall be installed in conformance with Article 3.1.8.11. in ducts or air-transfer openings that penetrate an assembly required to be a fire separation, where the fire separation

a) separates a public corridor,

b) contains an egress door refereed to in Sentence 3.4.2.4.(2)

c) serves an assembly, care, treatment, detention or residential occupancy, or

d) is installed to meet the requirements of Clause 3.3.1.7.(1)(b) or Sentence 3.3.3.5.(4).

3.1.8.6. Maximum Openings

 Articles need to know!!!

3.1.8.6. Maximum Openings

1) The size of an opening in an interior fire separation required to be protected with a closure shall be not more than 11 sqm, with no dimension more than 3.7m, if a fire compartment on either side of the fire separation is not sprinklered.

2) the size of an opening in an interior fire separation required to be protected with a closure shall be not more than 22 sqm, with no dimension more than 6m, provided the fire compartments on both sides of the fire separation are sprinklered.

Question:

How many openings are permitted in a fire separation?

Please give your answer by comments.

3.1.8.3. Continuity of Fire Separations

 Articles need to know!!!

3.1.8.3. Continuity of Fire Separations

1) Except as permitted by Sentence 3.6.4.2.(2), a horizontal service space or other concealed space located above a required vertical fire separation, including the walls of a vertical shaft, shall be divided at the fire separation by an equivalent fire separation within the service space.

2) The fire separation required in Sentence (1) shall terminate so that smoke-tight joints are provided where it abuts on or intersects

a) a floor,

b) a roof slab, or

c) a roof deck.

3) Except as required by Sentence 3.6.3. for a shaft penetrating a roof assembly, a shaft, including an exit enclosure, that penetrates a fire separation, shall

a) extend through any horizontal service space or any other concealed space, and

b) terminate so that smoke-tight joints are provided where the shafts abuts on or intersects

i) a floor,

ii) a roof slab, or

iii) a roof deck.

4) The continuity of a fire separation shall be maintained where it abuts another fire separation, a floor, a ceiling, a roof, or an exterior wall assembly.