Last edited 09 May 2016

CDM 2015 worker duties

The Construction (Design and Management) Regulations (the ‘CDM Regulations’) are intended to ensure that health and safety issues are properly considered during a project’s development so that the risk of harm to those who have to build, use and maintain structures is reduced. They were introduced in 1994 and revised in 2007. A further revision came into force on 6 April 2015.

The 2015 CDM regulations include duties for:

Workers are defined in the 2015 CDM Regulations as ‘…the people who work for or under the control of contractors on a construction site’.

A project is ‘notifiable’ to the Health and Safety Executive (HSE) if the construction work is scheduled to:

  • Last longer than 30 working days and have more than 20 workers working simultaneously at any point in the project; or
  • Exceed 500 person days.

When a contractor employs or appoints an individual to work on a construction site, they must make enquiries to ensure that that the individual:

  • Has the necessary skills, knowledge, training and experience to carry out the work they will be employed to do in a way that secures health and safety for anyone working on the site; or
  • Are in the process of obtaining them.

Workers must be:

The duties of workers include:

  • Taking care of their own health and safety and others who may be affected by their actions.
  • Cooperating with any other person working on, or in relation to, a project at the same or an adjoining construction site.
  • Report anything they are aware of in relation to the project which is likely to endanger their own health or safety or that of others.

In addition, there are detailed requirements for works involving specific risks:


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