Performance shall be measured using the following mechanisms:
(a) Ticket vending machines. The actual number of hours that each ticket vending machine is fully operational (including providing change) and available to customers at each station for each service day shall be measured and recorded by the Company. To the fullest extent possible, data from the SCADA system should be used to undertake and verify this calculation.
(b) Lifts. The actual number of hours within station opening hours that each lift at a station with lift access has all platforms available and accessible by lift and is fully available to passengers for each service day shall be measured and recorded by the Company. To the fullest extent possible, data from the SCADA system should be used to undertake and verify this calculation.
(c) Escalators. The actual number of hours within station opening hours that each escalator is operating and available to customers at each station for each service day shall be measured and recorded by the Company. To the fullest extent possible, data from the SCADA system should be used to undertake and verify this calculation.
(d) Passenger Information Displays. The actual number of hours within station opening hours that each automated passenger information display is operating and available to customers at each station during each service day shall measured and recorded by the Company. To the fullest extent possible, data from the SCADA system should be used to undertake and verify this calculation.