Permits to Work
CDM (GB) Knowledge Base
Permits-to-work are an essential part of safe working practice for construction and maintenance operations. The document should specify the work to be done and the precaution to be taken in carrying out the operation. They allow work to start only after safe procedures have been defined and identify and record all foreseeable hazards that have been considered. In drafting Permits-to-work an experience and expertise is required to ask the appropriate "what if" questions in order to identify potential hazards. Application of paints and surface treatments. Paints and surface treatments are made from a wider range of chemical substances some of which may be toxic. Identify hazards of the material specified - harmful to skin / generates a vapour. Work location and conditions - confined space / ventilation / temperature.