What are the CDM2015 Regulations?

A commercial client is anyone (individual, partnership, or organisation) who has construction work carried out for them that is done in connection with a business, whether the business operates for profit or not.

A principal contractor is the contractor with control over the construction phase of a project involving more than one contractor. They are appointed in writing by the client (commercial or domestic) to plan, manage, monitor and coordinate health and safety during this phase.

A contractor is an organisation or individual who directly employs or engages construction workers or as part of their business carries out, manages or controls construction work (e.g. building, altering, maintaining or demolishing).  Contractors include sub-contractors, any individual, sole trader or self-employed worker

A principal designer is the person organisation with control over the pre-construction phase who has the relevant skills, knowledge and experience. The principal designer does not have to carry out actual design work on the project.

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A designer is an organisation or individual whose work involves preparing or modifying designs for construction projects, or arranging for, or instructing, others to do this.