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OCR for page 38
38 Table 10. Example reporting of Airport APM Performance Measure #1: Service Availability (Tier C Approach). February 10, 2010 Day Month-to-Date Year-to-Date Service Availability 99.27% 98.77% 99.75% (Tier C Approach) Service mode 98.65% 99.74% 99.33% availability Fleet 98.55% 97.44% 98.65% availability Station platform door 98.44% 99.77% 99.67% availability Downtime, by Availability and Category, for February 10, 2010 (in seconds) Day Month-to-Date Year-to-Date Mode Fleet Door Mode Fleet Door Mode Fleet Door Weather 300 -- -- 400 -- -- 600 -- -- Passenger -- 1,100 -- -- -- -- 2,000 1,100 -- System equipment -- -- 2,000 -- -- -- -- -- -- Facilities -- -- -- -- -- -- -- -- -- Utility -- -- -- 5,000 -- -- 5,000 -- -- O&M -- -- -- -- -- 500 -- -- 500 Other -- -- -- -- -- -- -- -- -- February 10, 2010, and the associated assignment of down- tions or maintenance purposes does not constitute an time are provided in Table 10, which represents a more com- evacuation. prehensive level of reporting for this measure. The minimum A mainline derailment. Mainline is defined as the APM data to be reported for this measure would be as found on guideway in the passenger-carrying portion of the system Form B in Exhibit A. but not including mainline pocket tracks and storage and turnback/switchback tracks beyond terminals where 5.3.4Airport APM Performance Measure #2: passengers are prohibited. Safety Incidents per 1,000 Vehicle Any incident involving damage to APM system property Service Miles wherein safety was compromised during the incident or the damage compromises safety going forward. APM system property is defined as any APM system equip- Safety Incidents per 1,000 Vehicle Service Miles is the rate ment within the APM system or any APM facilities and at which safety incidents have occurred in the airport APM related facilities equipment within the system, such as system. It is defined as: the guideway, traction power substations, APM stations, station escalators and elevators, other APM equipment Monthly SI1kvsm = (( m d=1 ) SI 1, 000 ) rooms, and the M&SF. Any verified incident involving any person on APM d=1 VSM m system property (e.g., on a train, in an APM equipment room, in an APM station, on the guideway, at the M&SF, Yearly SI1kvsm = (( y d=1 ) SI 1, 000 ) along the right-of-way) that resulted in injury or could d=1 VSM have resulted in injury. Injury is defined as an incident y that requires any medical attention, including first aid Where: treatment. Application of the emergency brake(s) on a moving SI1kvsm = Safety Incidents per 1,000 Vehicle Service Miles. in-service train in the passenger-carrying portion of the SI = Number of safety incidents. system, but not including mainline pocket tracks and Safety incident is an unintentional event defined as: storage and turnback/switchback tracks beyond terminals The evacuation of passengers from a train, APM station, where passengers are prohibited. or other public or non-public area of the APM system, The fatality of any person on APM system property regardless of whether the evacuation was attended or (e.g., on a train, in an APM equipment room, in an directed by system or life safety personnel. The removal APM station, on the guideway, at the M&SF, along the of passengers from trains or stations for routine opera- right-of-way).

OCR for page 38
39 VSM = Vehicle service miles. Vehicle service miles is defined Facilities-induced. Safety incidents caused by the facilities, as the total miles traveled by all in-service vehicles in the such as a station roof leaking water onto the floor imme system, with a vehicle being in service when located in the diately in front of the station sliding platform doors. passenger-carrying portion of the system and when pas- Utility-induced. Safety incidents caused by a utility service sengers are able to use it for transport (see Section 5.2.2 for provider, such as the loss of one or more incoming electrical further clarification). feeds to the APM system. d = Day of the month or year, as applicable. O&M-induced. Safety incidents caused by personnel affili- m = Days in the month. ated with the operations and/or maintenance organization, y = Days in the year. such as the mis-operation of the system from the control center or the failure of a maintenance technician to prop- Safety incidents should not be double counted. For example, erly isolate a piece of equipment from the active system if all trains are evacuated as a result of a total loss of incoming operation on which he or she is working. power from the utility service provider, this would be recorded Other. Safety incidents caused as a result of other reasons. as one safety incident, as opposed to one safety incident per train evacuation. Data Requirements and Sources When more than one of the events that define a safety incident (as described previously) occur during the same The data and sources required to calculate Safety Incidents incident, the order of precedence in classifying the safety per 1,000 Vehicle Service Miles are provided in Table 11. incident is as follows: (1) fatality, (2) injury, (3) evacuation, (4) mainline derailment, and (5) property damage. For exam- Collection Techniques and Calculating ple, a mainline train derails and as a result three passengers and Recording the Measure are transported to the hospital for treatment of their injuries. This is defined as a safety incident because of the mainline It is recommended that the collection of data for the Safety derailment, because of the injuries involved, and possibly Incidents per 1,000 Vehicle Service Miles performance measure because of property damage. In this case, one safety incident be accomplished daily but be reported no more frequently than would be recorded as a result of the injury event. monthly since safety incidents in airport APM systems are In addition to all safety incidents being classified according relatively rare. In addition, the numeric value of the measure, to the event by which they are defined, safety incidents are if reported daily, could be misinterpreted to be high because also to be assigned to one of the following predefined causal the underlying basis is only 1 day's worth of vehicle service categories: miles, as opposed to 30 days' worth of vehicle service miles in a monthly reported measure. Weather-induced. Safety incidents caused by the weather, For this measure, most of the data will typically be collected such as lightning striking the guideway, or a snow or ice from records and systems in the control center. Where the storm. functionality of the CCCS and the specificity of the APM Passenger-induced. Safety incidents caused by a passenger, system output data allow, it may be possible to collect data for such as a passenger pulling an emergency evacuation handle the Safety Incidents per 1,000 Vehicle Service Miles performance on an in-service train. measure directly from the CCCS. After the one-time setup of System equipment-induced. Safety incidents caused by sys- the performance measure in the CCCS, all that may be needed tem equipment, such as a broken axle on an in-service train. thereafter are the incidental updates of classifying incidents Table 11. Data requirements and sources, Airport APM Performance Measure #2: Safety Incidents per 1,000 Vehicle Service Miles. Data Requirement Source Control center logbooks Number of safety incidents and Incident reports 1 the event classifications by Work orders which they are defined Reports and/or records of life-safety agencies 2 Vehicle service miles ATS, CCCS Vehicle maintenance records Control center logbooks 3 Cause of safety incidents Incident reports Work orders