No formal requirement for a Principal Contractor to be in charge of the construction however see Contractors Duties Page.

 

Additional Duties for Notifiable jobs   Plan, manage and monitor construction phase in liaison with contractor Prepare, develop and implement a written plan and site rules Give contractors relevant parts of the plan Make sure suitable welfare facilities are provided from the start and maintained throughout the construction phase Check competence of all appointees Ensure all workers have site inductions and any further information and training needed for the work Consult with the workers Liaise with CDM co-ordinator regarding ongoing design   Secure the site