The main duties of the principal contractor are to:
plan, manage and monitor the construction phase to make sure, so far as is reasonably practicable, it is carried out without risks to health or safety
ensure adequate welfare facilities for those working on the site
draw up and implement the site rules as necessary
draw up and implement the construction phase health and safety plan
provide a suitable site induction and make sure those working on site have received the training they need to carry out the work safely and without risks to health
make sure the site is suitably fenced and prevent unauthorised people from entering the site
ensure co-operation between those working on the site, and that work is co-ordinated in such a way as to prevent danger
ensure suitable arrangements for effective consultation with the workforce
ensure the right health and safety information is provided to the right people at the right time