ARCH1013_Winter2022_In Class 5

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George Brown College Canada *

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1013

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Mechanical Engineering

Date

Apr 3, 2024

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doc

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2

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ARCH 1013 Spring 2020 In-class Exercise 5 (Week 6) Lesson 6 (50% for the answer and 50% for reference) Name Student ID # Signature 1 2 3 Question Answer (Calculations) OBC Reference 1 A 3-storey exhibition building is adding a partially enclosed mezzanine to its top storey. The floor area of the storey is 300m 2 . Find the largest area of the mezzanine that could be enclosed and the largest area that could be open, without increasing the building height? (1/5) Enclosed: (10%) 30 m 2 Open: (40%) 120 m 2 Ontario Building Code 2012: Part 9 9.10.4.1. 2 What is the fire resistance rating assigned to a heavy timber construction, if it conforms to OBC (0.5/5) Heavy timber construction shall be considered to have a 45min FRR when it is constructed in accordance with the requirements for heavy timber construction in Article 3.1.4.7 Ontario Building Code 2012: Part 9 9.10.6. 3 Find the fire resistance rating of the roof assembly of a 3-storey apartment building and a 3-storey shopping mall (0.5/5) Apartment: not given Ontario Building Code 2012: Part 9 9.10.8.1. Shopping mall: 45min FRR 4 Select the fire separation where a 45-minute rated sold wood door can be used as a closure (0.5/5) Public corridors Ontario Building Code 2012: Part 9 9.10.9.13. 9.10.9.14. 9.10.9.15. suites Residential suites 5 What is a fire damper and where is it used? (0.5) A duct that penetrates an assembly required to be a fire separation with a fire-resistance ratings shall be equipped with a fire damper. Ontario Building Code 2012: Part 9 9.10.13.13. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- HM_ARCH1013_Winter2023_In-class Exercise5_Week6 1 | P a g e
6 Assume two storage garages in a land. The facades that face each other are 10m long and 12m high, and 6.5 away from each other. Find the maximum area of unprotected openings one face could have. (1/5) Also find the FRR and Construction requirement of this face. (1/5) EBF: LD: 6.5m Area of unprotected openings: 33.5msq 9.10.9.16. 3.2.3.1. FRR: 1.5hr Construction Req: -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- HM_ARCH1013_Winter2023_In-class Exercise5_Week6 2 | P a g e
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