Table 1.

Operating theatre climate variables

Theatre energy statusMode of workingActivation
ActivePerimeter lighting: 100%
Temperature: basal (21°C +/– 0.5°C)
Ventilation flow: high
As soon as the RTLS system moves to status ‘Theatre ready’
Active with low ventilationPerimeter lighting: 60%
Temperature: basal (21°C +/– 0.5°C)
Ventilation flow: low
As soon as the RTLS system moves to status ‘Theatre dirty’
SleepPerimeter lighting: 10%
Temperature: basal (21°C +/–4°C)
Ventilation flow: low
As soon as the RTLS system moves to status ‘Theatre dirty’ and there are no more patients on the list