Mechanical ventilation with heat recovery

8.3.2 Provision of information

Designs and specifications shall be produced in a clearly understandable format, include all relevant information and be distributed to the appropriate personnel.

Designs and specifications should be issued to site supervisors, relevant specialist subcontractors and suppliers, and include the following information:

  • Location of all ductwork runs, the fan unit and controls.
  • Type, size and position of ducts and terminals.
  • Direction of fall for ‘horizontal’ ductwork.
  • Type and spacing of clips and fixings.
  • Type and location of ancillary components, including those used for fire safety and acoustic purposes.
  • Designed airflow-balancing figures for the system.