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Confined Spaces. Education Consultant. Workshop Objectives. At the end of this session, the participant will: Understand the legislation pertaining to confined spaces Identify the potential hazards Be aware of employer and employee responsibilities

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Confined Spaces

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Confined Spaces

Education Consultant

workshop objectives
Workshop Objectives

At the end of this session, the participant will:

  • Understand the legislation pertaining to confined spaces
  • Identify the potential hazards
  • Be aware of employer and employee responsibilities
  • Be able to apply this information in the workplace
course outline
Course Outline
  • Health & Safety Legislation
  • Hazard Recognition
  • Safe Work Procedures
definition confined space
Definition: Confined Space
  • Enclosed or partially enclosed
  • Not designed or intended for continuous human occupancy
  • Restricted access or egress
definition confined space1
Definition: Confined Space

May become hazardous because of :

  • Materials or substances contained
  • Construction
  • Location
  • Atmosphere
  • Design
examples of confined spaces
Examples of Confined Spaces

• Tanks • Storage bins

• Boilers • Double hulls

• Vats • Pumping stations

• Kilns • Pits, sumps

• Vaults • Vessels

• Silos • Manholes

• Pipelines • Water reservoirs

• Sewers • Other similar spaces

• Manure pits

confined space regulations
Confined Space Regulations

263(1) Where an employee is about to enter a confined space, an employer shall appoint a competent person to verify by tests that:

263(1)(a)the concentration of airborne chemical agents or airborne dust in the confined space is not hazardous…,

263(1)(b)the concentration of an airborne chemical or mixture of chemical agents or airborne dust in the confined space does not exceed 50% of its lower explosive limit,

confined space regulations1
Confined Space Regulations

263(1)(c)the level of physical agents in the confined space is not hazardous…

263(1)(d)the percentage of oxygen in the atmosphere in the confined space is not less than 19.5% by volume and not more than 23% in volume

confined space regulations2
Confined Space Regulations

263(1)(e) the concentration, level or percentage referred to in paragraphs (a) to (d) is able to be maintained during the period of proposed occupancy of the confined space by the employee

263(1)(h)all electrical equipment and machines have been locked out, with the machines being put in a zero energy state.

employer s responsibilities
Employer’s Responsibilities
  • Instruct and train workers
  • Purge when necessary
  • Provide PPE and emergency equipment
  • To ensure the worker has read, dated and signed the report
  • Appoint a competent tester
competent person
Competent Person
  • According to the 91-191 I(2) regulation, ‘Competent’ means
  • Qualified: ‘knowledge, training, and experience, to do assigned work in a manner that will ensure health and safety’
  • Knowledgeable: about the related act and regulations
  • Knowledgeable: about the related potential for danger
competent person1
Competent Person
  • Do the tests (oxygen, flammability, toxicity, etc.)
  • Be trained in the procedures
  • Be in attendance outside
  • Ensure constant communication
  • Have a standard-level first aid and CPR
competent person2
Competent Person
  • Ensure continuous monitoring
  • Set out procedures
  • Set out the results (tests)
  • Identify the proper PPE and emergency equipment
  • Calibrate instruments
employee s responsibilities
Employee’s Responsibilities
  • Competent person follows procedures
  • Install warning signs if there’s a traffic hazard
  • Follow procedures
  • Use PPE and emergency equipment
  • Read and sign the report of the competent tester
written report
Written Report

Results (tests)

  • Sets out the
  • Sets out procedures to be followed
  • Identifies PPE
  • Sets out emergency procedures

Evaluation (hazards)

written report1
Written Report
  • Identifies equipment and rescuer
  • Kept at the worksite
  • Kept for a period of 2 years
  • Available to an officer
three people are needed
Three People Are Needed…
  • 1. Entrant: Read, date and sign report
  • 2. Person outside the entrance (standby): Competent
  • 3. Back-up: Near Vicinity
safe work procedures
Safe Work Procedures
  • Preplan the job
  • Prepare and check equipment
  • Ensure traffic control
  • Test before opening and record
  • Follow correct opening procedures
safe work procedures1
Safe Work Procedures
  • Record results of re-test
  • Ventilate and purge if required
  • Set up an escape and rescue plan
  • Ensure continuous monitoring if necessary
protective equipment
Protective Equipment

Employer shall:

  • Provide PPE in good condition
  • Inspect regularly
  • Ensure employee training
protective equipment1
Protective Equipment

Employee shall:

  • Wear and use
  • Use properly
  • Inspect and test
  • Report problems
  • In wet conditions, equipment should be:
          • 1. Battery operated
          • 2. Double insulated
          • 3. Bonded or grounded

*Be aware of other hazardous conditions

Example: Chemicals, moving equipment, etc.


Less than 19.5%:

  • Use appropriate RPE
  • Reserve 5 minutes
  • More than 23%:
  • No flammable, combustible or reactive material
unsafe conditions
Unsafe Conditions

Safety Hazards

Atmospheric Hazards

Unsafe Actions

hazard recognition
Hazard Recognition
  • Solids (entrap)
  • Liquids (drown)
  • Atmospheric hazards
  • Machines or equipment (trap, squeeze or crush)
  • Bulk materials (shift or collapse)
hazard recognition1
Hazard Recognition
  • Electrical shock
  • Rescue equipment (non-functional)
  • Size of entrance (too small)
  • Rusted ladder
hazard recognition2
Hazard Recognition
  • Traffic Hazards
  • Temperatures
  • Visibility
  • Slippery Work Surfaces
  • Lack of Education & Training
  • Lack of enforcement

*NOTE:Never put yourself in a position where you need to be rescued

written program
Written Program
  • Identify Confined Spaces
  • Recognize Hazards
  • Testing and Controls
  • Emergency Procedures and Rescue
  • Responsible Parties
written program1
Written Program
  • Standby Procedures
  • Training Requirements
  • Permit Requirements
  • Pre-entry Requirements and Checks
  • During this session, we have been made aware of:
  • The legislation pertaining to confined spaces
  • The potential hazards
  • Employer and employee responsibilities
  • How to apply this information in the workplace