Assess the need for interlocking the ventilation power

Assess the need for interlocking the ventilation power
supply to the gas supply and take appropriate action.
This decision should be based on a competent
persons’ assessment of the risks associated with the
use of the gas appliance.
Further guidance for designers is available from
industry produced technical guidance, for example
guidance from The Chartered Institution of Building
Services Engineers (CIBSE) and The Heating and
Ventilation Contractors’ Association (HVCA) (see
‘Further information’).
The equipment installer
The equipment should be installed by a competent
person. The equipment installer needs to know the
design performance and capacity of the ventilation
system, so they can ensure adequate ventilation.
For existing installations where data is absent or
unavailable, the installer should recommission the
system of extraction and make-up air, and produce a
report detailing its performance. A competent heating
and ventilation specialist can provide this information.
Gas-fired appliances should be installed by a Gas
Safe engineer.