Two part article reviewing the new Approved Code of Practice and Guidance (ACoP) which came into force on 1 February 2002 has changed signficantly in form and content from previous editions with more emphasis on the role of the client. Part one sets out the purpose of the Construction (Design and Management) Regulations 1994 (CDM) and advises CDM duty holders and the construction industry to study and implement the new ACoP. Discusses the ACoP in relation to managing construction projects and looks at the role of clients, designers and planning supervisors. Part two discusses the ACoP in respect of principal contractors, contractors, contractors, competance and resources, information and training involving the workforce, health and safety plans and files. Concludes that it is a clear and comprehensive document which will greatly assist CDM duty holders as it aims to reduce bureaucracy and promote project specific documentation for management of Health and Safety.