Confined Space Safety Toolbox Talk (TBT)

Confined Space Safety Toolbox Talk (TBT)
Photo by Philippe Brems on

Confined Space Safety Toolbox Talk (TBT)

What is Confined Space?

A confined space is a place that is substantially enclosed (though not always entirely), and where serious injury can occur from hazardous substances or conditions within the space or nearby (e.g. lack of oxygen, poor entry or exit, sudden change of temperature, etc. ).


 Lack of Oxygen

 Toxic Gases

 Fire

 Slip & Trips

 Access & Egress

 Free-flowing materials


 Asphyxiation

 Falls

 Free-flowing solids

 Drowning

 Body temperature rise

 Engulfment

Examples of confined spaces

silos, vats, hoppers, utility vaults, tanks, water supply towers, sewers, pipes, access shafts, truck or rail tank cars, manholes, pump stations, manure pits and storage bins.

Do Not Work (If)

 No permit to work

 Incompetent

 No gas test performed

 No ventilation provided

 No EEBA available

 Extreme temperature

 No access & egress

 No supervision

Always Work (If)

 PTW approved

 Competent to work

 Personal gas monitor pre-sent

 Gas test performed

 Ventilation provided

 EEBA available

 Temperature acceptable

 Access & egress present & Supervision available

Confined space TBT


  1. Good job, best learning flat form


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