School of GeoSciences

Permit-to-Work for Contractors and Maintenance Staff

A permit to work system is a documented safe system of work that is used to control high risk activities and help prevent accidental damage to personnel, plant, premises and product.

General principles of a Permit to Work System;


The permit is a check prior to any work commencing to ensure that all precautions are taken and are securely in place.

A permit to work should be used in the following circumstances;

  • hot work e.g. welding
  • work undertaken at height
  • maintenance work undertaken in a laboratory
  • work undertaken in a confined space
  • maintenance/repair work on electrical equipment
  • maintenance/repair work on machinery/plant

A 'Permit to Work' Form must be completed before any Estates & Buildings maintenance staff or Contractors start work on any of the activities listed above.