InClass5_Week9

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School

George Brown College Canada *

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Course

2007

Subject

Mechanical Engineering

Date

Dec 6, 2023

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docx

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2

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ARCH 2007 Fall 2021 In-Class Activity 5 (Week 9) Students’ names: Student ID #s Signature 1. Compare the OBC requirements of Public Corridor in Midland building (1/4)? * Instruction: Check Drawings and 3.3. OBC Ref. Changes required (Y/N) 1 1 st storey FRR between corridor and suites (F-2) requires a 45min separation. 3.3.1.4.(3) Y Width of corridor min. 1100mm (1500mm) 3.3.1.9.(1) N Headroom shall not be less than 1980 (3500mm) 3.3.1.8. 3.4.4.5. N Dead-end corridors N/A 3.3.1.9.(8) N 2 Other storeys FRR between corridor and suites 45 min 3.3.1.4.(3) 3.3.3.5.(9) N Width of corridor 1500mm (B-2, min. 1650 mm) 3.3.3.3.(3) Y Headroom less than 1300mm 3.4.4.5 Y Dead-end corridors not permitted 3.3.3.3.(1) Y 2. Determine the egress requirements of suites in Midland building (1.5/4) * check occupancy types, occupant loads and the area of suites to determine the egress requirements No of exits OBC Ref. 1 1 st storey 102A (OL= 173): Two exits 3.3.1.5 102C (OL= 5): One exit 3.3.1.5 103A (OL= 16): One exit 3.3.1.5 104A (OL= 152): Two exits 3.3.1.5 104B (OL= 9): One exit 3.3.1.5 2 Other storeys Two suites with dormitory style residence (leave the central corridor) OL= 2x10 = 20 one exit for each 3.3.1.5 1 | Page
3. Complete the Table: What are the OBC requirements for Dead-end corridors if we were to use them in Midland building (1.5/4) Instructions: check OBC requirements for dead-end corridors based on Occupancy Types Max length Conditions OBC Ref. Changes required 1 1 st storey 102A None 2 nd independent egress doorway from each room/suite not leading into the corridor 3.3.1.9.(8) No 102C Max. 9m Max. OL of 30 persons. Doors must have a self- closing devices 3.3.1.9.(1) No None 2nd independent egress doorway from each suite not leading into the corridor No 103A Max. 9m OL max. 30 persons. Doors need self-closing devices 3.3.1.9.(1) No None 2nd independent egress doorway from each suite not leading into the corridor No 104A None 2nd independent egress doorway from each suite not leading into the corridor 3.3.1.9(13) No 104B Max. 9m OL max. 30 persons. Doors require self-closing devices 3.3.1.9 No None 2nd independent egress doorway from each suite not leading into the corridor No 2 Upper storeys No Sleeping rooms of resident s Not permitted Area served by a dead-end portion needs a 2nd independent means of egress 3.3.3.1.(1) No 2 | Page
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