The contract documents should include a Schedule of Works, this is a contract document that lists the works required on a project. Miriam Layton can prepare the schedule of works, which will be given to contractors for pricing.
The day-to-day supervision of the build itself will be the responsibility of the contractor, who is also responsible for ensuring that:
the structure is built in compliance with the building contract, the planning permission, Building Regulations and Health and Safety requirements
the proper carrying out and completion of construction works and for health and safety provisions on the site
managing the builder’s programme of works and organising the work on site