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Appendix | Confined Spaces Guideline

  • Issued: September 2006
  • Revised: July 2011
  • Content last reviewed: July 2011

Disclaimer: This resource has been prepared to help the workplace parties understand some of their obligations under the Occupational Health and Safety Act (OHSA) and regulations. It is not legal advice. It is not intended to replace the OHSA or the regulations. For further information please see full disclaimer.

Revoked Confined Space Provisions by Regulation (OLD) to Newly Consolidated Regulation (NEW)

NOTE: * denotes changed sections

OLD

  • Confined Space Regulation O. Reg. 632/05
    Specified sections are amended
  • Construction Projects (O. Reg. 213/91)
    Part II.1 Confined Spaces is revoked
    Sections 221.1 to 221.19
  • Industrial Establishments (Reg. 851)
    Part I.1 Confined Spaces is revoked
    Sections 119.1 to 119.20
  • Mines and Mining Plants (Reg. 854)
    Part XII - Confined Spaces is revoked
    Sections 294 to 313
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Confined Spaces
    Sections 43 to 43.19 are revoked

NEW

  • Amended Confined Space Regulation O. Reg. 632/05

1. Definitions: "acceptable atmospheric levels"

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 1(a) to Section 1(c)
  • Construction Projects (O. Reg. 213/91)
    Section 221.2(a) to Section 221.2(c)
  • Industrial Establishments (Reg. 851)
    Section 119.1(a) to Section 119.1(c)
  • Mines and Mining Plants (Reg. 854)
    Section 294(a) to Section 294(c)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43(a) to Section 43(c)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Section 1(a) to Section 1(c)
    Section 1(d)* - new

2. Application

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 2
  • Construction Projects (O. Reg. 213/91)
    Section 221.1
  • Industrial Establishments (Reg. 851)
    Not applicable
  • Mines and Mining Plants (Reg. 854)
    Not applicable
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Not applicable

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Section 2

3. Exceptions

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 3(1)(a)(b)(c) to Section 3(3)
  • Construction Projects (O. Reg. 213/91)
    Non-application
    Section 221.3(1) – Firefighter
    Section 221.3(1) – Gas Technician
    Section 221.3(2) – Emergency Work
    Section 221.3(3) Diving Operation
  • Industrial Establishments (Reg. 851)
    Section 119.2(1) to Section 119.2(3)
  • Mines and Mining Plants (Reg. 854)
    Section 295(1) to Section 295(3)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.1(1) to Section 43.1(3)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Section 3(1)*
    Section 3(2)
    Section 3(3)

4. Confined spaces with multi-employer involvement

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 4(1) to Section 4(4)(a)(b)
  • Construction Projects (O. Reg. 213/91)
    Coordination Document, Multi-Employer
    Section 221.4(1) to Section 221.4(3)
  • Industrial Establishments (Reg. 851)
    Section 119.3(1) Section 119.3(4)
  • Mines and Mining Plants (Reg. 854)
    Coordination Document
    Section 296(1) to Section 296(4)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.2(1) to Section 43.2(4)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Section 4(1)
    Section 4(2)*
    Section 4(3)*
    Section 4(4)(a)
    Section 4(4)(b)*
    Section 4(4)(c)*- new

5. Program

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 5(1) to Section 5(6)
  • Construction Projects (O. Reg. 213/91)
    Section 221.5(1) to Section 221.5(5)
  • Industrial Establishments (Reg. 851)
    Section 119.4(1) to Section 119.4(6)
  • Mines and Mining Plants (Reg. 854)
    Section 297(1) to Section 297(6)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.3(1) to Section 43.3(6)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    All changed:
    Section 5(1)* to Section 5(7)*
    Section 5(6)*-new

6. Assessment

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 6(1) to Section 6(9)
  • Construction Projects (O. Reg. 213/91)
    Hazard Assessment
    Section 221.6(1) to Section 221.6(9)
  • Industrial Establishments (Reg. 851)
    Section 119.5(1) to Section 119.5(9)
  • Mines and Mining Plants (Reg. 854)
    Hazard Assessment Section 298(1) to Section 298(9)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.4(1) to Section 43.4(9)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Section 6(1) to Section 6(9)
    Changes to Section 6(8)*

7. Plan

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 7(1) to Section 7(5)
  • Construction Projects (O. Reg. 213/91)
    Section 221.7(1) to Section 221.7(5)
  • Industrial Establishments (Reg. 851)
    Section 119.6(1) to Section 119.6(5)
  • Mines and Mining Plants (Reg. 854)
    Entry Plan
    Section 299(1) to Section 299(5)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.5(1) to Section 43.5(5)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

8. Hazard recognition and other general training

OLD

  • Confined Space Regulation O. Reg. 632/05
    Hazard recognition and other general training
    Section 8(1) to Section 8(7)
  • Construction Projects (O. Reg. 213/91)
    Worker Training
    Section 221.8(1) to Section 221.8(5)
  • Industrial Establishments (Reg. 851)
    Section 119.7(1) to Section 119.7(7)
  • Mines and Mining Plants (Reg. 854)
    General Training
    Section 300(1) to Section 300(7)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.6(1) to Section 43.6(7)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Hazard recognition and other general training - workplaces other than projects
    Section 8(0.1)* - new to Section 8(7)

9. Plan-specific training

OLD

  • Confined Space Regulation O. Reg. 632/05
    Plan-specific training
    Section 9(1) to Section 9(4)
  • Construction Projects (O. Reg. 213/91)
    Not applicable
  • Industrial Establishments (Reg. 851)
    Section 119.8(1) to Section 119.8(4)
  • Mines and Mining Plants (Reg. 854)
    Section 301(1) to Section 301(4)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.7(1) to Section 43.7(4)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Plan-specific training – workplaces other than projects
    Section 9(0.1)*- new to Section 9(4)

New Subsection: Training - projects

OLD

  • Confined Space Regulation O. Reg. 632/05
    Not applicable
  • Construction Projects (O. Reg. 213/91)
    Not applicable
  • Industrial Establishments (Reg. 851)
    Not applicable
  • Mines and Mining Plants (Reg. 854)
    Not applicable
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Not applicable

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    New: Section 9.1(1) to Section 9.1(6)

10. Entry permit

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 10(1) to Section 10(4)
  • Construction Projects (O. Reg. 213/91)
    Section 221.9(1) to Section 221.9(4)
  • Industrial Establishments (Reg. 851)
    Section 119.9(1) to Section 119.9(4)
  • Mines and Mining Plants (Reg. 854)
    Section 302(1) to Section 302(4)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.8(1) to Section 43.8(4)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

11. On-site rescue procedures

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 11(1) to Section 11(3)
  • Construction Projects (O. Reg. 213/91)
    Section 221.10(1) to Section 221.10(3)
  • Industrial Establishments (Reg. 851)
    Section 119.10(1) to Section 119.10(3)
  • Mines and Mining Plants (Reg. 854)
    Rescue Procedures
    Section 303(1) to Section 303(3)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.9(1) to Section 43.9(3)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

12. Rescue equipment and methods of communication

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 12(1) to Section 12(3)
  • Construction Projects (O. Reg. 213/91)
    Rescue Equipment
    Section 221.11(1) to Section 221.11(3)
  • Industrial Establishments (Reg. 851)
    Section 119.11(1) to Section 119.11(3)
  • Mines and Mining Plants (Reg. 854)
    Rescue Equipment
    Section 304(1) to Section 304(3)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.10(1) to Section 43.10(3)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

13. Personal protective equipment, clothing and devices

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 13
  • Construction Projects (O. Reg. 213/91)
    Protective Clothing and Equipment
    Section 221.12
  • Industrial Establishments (Reg. 851)
    Section 119.12
  • Mines and Mining Plants (Reg. 854)
    Personal Protective Equipment
    Section 305
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.11

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

14. Isolation of energy and control of materials movement

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 14(a)(b)(c)(d)
  • Construction Projects (O. Reg. 213/91)
    Adequate Protection re: Hazardous Substances - Section 221.13(a)
    re: Electrical Energy - Section 221.13(b)
    re: Moving Parts of Equipment - Section 221.13(c)
    re: Free-Flowing Materials - Section 221.13(d)
  • Industrial Establishments (Reg. 851)
    Section 119.13(a)(b)(c)(d)
  • Mines and Mining Plants (Reg. 854)
    Energy, Material Movement Section 306(a)(b)(c)(d)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.12(a)(b)(c)(d)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

15. Attendant

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 15(1) and Section 15(2)
  • Construction Projects (O. Reg. 213/91)
    Section 221.14(1) and Section 221.14(2)
  • Industrial Establishments (Reg. 851)
    Section 119.14(1) and Section 119.14(2)
  • Mines and Mining Plants (Reg. 854)
    Section 307(1) and Section 307(2)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.13(1) and Section 43.13(2)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

16. Means for entering and exiting

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 16
  • Construction Projects (O. Reg. 213/91)
    Not applicable
  • Industrial Establishments (Reg. 851)
    Section 119.15
  • Mines and Mining Plants (Reg. 854)
    Egress
    Section 308
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.14

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

17. Preventing unauthorized entry

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 17
  • Construction Projects (O. Reg. 213/91)
    Unauthorized Entry
    Section 221.15
  • Industrial Establishments (Reg. 851)
    Section 119.16
  • Mines and Mining Plants (Reg. 854)
    Unauthorized Entry
    Section 309
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.15

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Section 17*

18. Atmospheric testing

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 18 (1) to Section 18(7)
  • Construction Projects (O. Reg. 213/91)
    Section 221.16(1) to Section 221.16(7)
  • Industrial Establishments (Reg. 851)
    Section 119.17(1) to Section 119.17(7)
  • Mines and Mining Plants (Reg. 854)
    Section 310(1) to Section 310(7)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.16(1) to Section 43.16(7)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

19. Explosive and flammable substances

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 19(1) to Section 19(6)
  • Construction Projects (O. Reg. 213/91)
    Atmospheric Hazards
    Section 221.17(1) to Section 221.17(5)
  • Industrial Establishments (Reg. 851)
    Section 119.18(1) to Section 119.18(6)
  • Mines and Mining Plants (Reg. 854)
    Explosive or Flammable Atmosphere
    Section 311(1) to Section 311(6)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.17(1) to Section 43.17(6)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

20. Ventilation and purging

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 20(1) to Section 20(5)
  • Construction Projects (O. Reg. 213/91)
    Atmospheric Hazards
    Section 221.18(1) to Section 221.18(4)
  • Industrial Establishments (Reg. 851)
    Section 119.19(1) to Section 119.19(5)
  • Mines and Mining Plants (Reg. 854)
    Section 312(1) to Section 312(5)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.18(1) to Section 43.18(5)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    No changes

21. Records

OLD

  • Confined Space Regulation O. Reg. 632/05
    Section 21(1) and Section 21(2)
  • Construction Projects (O. Reg. 213/91)
    Written Documents
    Section 221.19(1) and Section 221.19(2)
  • Industrial Establishments (Reg. 851)
    Section 119.20(1) and Section 119.20(2)
  • Mines and Mining Plants (Reg. 854)
    Record Retention
    Section 313(1) and Section 313(2)
  • Health Care and Residential Facilities (O. Reg. 67/93)
    Section 43.19(1) and Section 43.19(2)

NEW

  • Amended Confined Space Regulation O. Reg. 632/05
    Section 21(1)*
    Section 21(2)* - new
    Section 21(3)*

22. In Force Date: July 1, 2011

Other

Industrial Establishments: Cross-reference changed to amended Regulation

OLD

  • Section 50

NEW

  • Section 50*

Construction Projects: Cross-reference changed to amended Regulation

OLD

  • Section 247(1)(a)
  • Section 247(1)(b)
  • Section 247(1)(c)

NEW

  • Section 247(1)(a)
  • Section 247(1)(b)*
  • Section 247(1)(c)

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Disclaimer: This web resource has been prepared to assist the workplace parties in understanding some of their obligations under the Occupational Health and Safety Act (OHSA) and the regulations. It is not intended to replace the OHSA or the regulations and reference should always be made to the official version of the legislation.

It is the responsibility of the workplace parties to ensure compliance with the legislation. This web resource does not constitute legal advice. If you require assistance with respect to the interpretation of the legislation and its potential application in specific circumstances, please contact your legal counsel.

While this web resource will also be available to Ministry of Labour inspectors, they will apply and enforce the OHSA and its regulations based on the facts as they may find them in the workplace. This web resource does not affect their enforcement discretion in any way.