What is Confined Space? A confined space is a space with limited entry and egress, not suitable for human inhabitants. it may contains a potentially harmful atmosphere, dangerous vapours, flammable gasses, Oxygen deficiency or Oxygen enrichment . Hazards in a confined space often include harmful dust or gases, asphyxiation , submersion in liquids or free-flowing granular solids (for example, grain bins), electrocution , or entrapment example of confined space Tunnel, Tank, Well, Pit, Underground sewers. Chimneys' What are the hazards associated with confined spaces? • Toxic Atmosphere • Oxygen Deficiency • Oxygen Enrichment • Flammable or Explosive Atmospheres • Excessive Heat • Poor Ventilation • Poor illumination Precautions ...
Permit to Work System What is Permit to Work(PTW) System? A Permit to Work System (PTW) is a standard operating procedure used by organizations to document permission to perform tasks that are considered hazardous or non-routine. A permit to work form provides specific instructions on the nature of the job, the time and place as well as adequate information on safety procedures to be followed. Types of Work Permit? It's vary organization to organization and it depends on the nature of organization but there are main 7 types of work permit. Hot Work Permit Cold Work Permit Height Work Permit Excavation Permit Electrical Isolation Permit Confined Space Work Permit Chemical Work Permit 1. Hot Work Permit Permission to carry out tasks in conditions that produce sparks, flames, or any other source of ignition. Welding, soldering, flammable gases, and other heat-inducing operations require a Hot Work Permit . ...
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