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15th June, 2012

Does CDM apply to my construction project?

The CDM Regulations have changed since this post was written. Read the updated post for CDM 2015.

Does CDM apply to my construction project? This is a question we are asked on many of the construction projects we become involved with.

We also often hear from contractors, this isn’t a CDM project, or do we need this because this project isn’t a CDM as it is under 6 weeks.

The important thing to remember is that every project is a CDM project. The CDM regulations apply to every construction project in some way or another.

Particularly for contractors, the CDM regulations will apply regardless of the length of the project.

The Construction (Design and Management) Regulations (CDM Regulations) are in place to improve health and safety, have competent people on site, have construction work properly planned, and focus on managing risks.

Does CDM apply to my construction project? Yes, the CDM regulations apply to every construction project.

The confusion lies in identifying a project as notifiable or non-notifiable under CDM. This is where the question of length comes in to play when considering if a project is notifiable under the CDM regulations.

Generally speaking, if a project is over 30 working days (or 500 person days) and not for a domestic client in their own home, then the project is notifiable.

You can check if your project is notifiable with our free CDM notification calculator.

If your project is notifiable, then there are a number of additional duties that apply, and as a client, you must appoint a CDM coordinator and a principal contractor.

However, just because a project is non-notifiable, does not mean that the CDM regulations do not apply, or that there are no duties. If you are a client, designer, contractor or worker on any construction project, you have duties to comply with under the CDM regulations (along with the requirements of other health and safety regulations).

If you are a client, designer, contractor or worker on a notifiable construction project, then you will have additional duties to comply with under CDM. There is also a requirement for additional duty holders – the principal contractor and the CDM coordinator.

If you are a client, designer or contractor involved in construction projects, it is important you are familiar with your duties on both notifiable and non-notifiable projects, so can make sure you are complying with the CDM regulations no matter what the project size.

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