[情報]VAL256 Chicago O'Hare RFI 敘述原有設댠…
Attachment 1
Technical Summary of the Existing O'Hare Airport Transit System
Operations:
24/7 operation
Full bi-directional capability throughout the system
Minimum operating headway: 90 seconds
Current fleet: 15 vehicles
Speeds:
Maximum 50 mph
Average 22 mph
Typical station dwells:
Vehicle stopped 21 seconds
Doors fully open: 15 seconds
Push recovery capability
Vehicles:
Model: VAL 256 (originally supplied through Matra, now manufactured
by Siemens)
Aluminum frame and body based on Paris Metro steel wheel MF77.
Two trucks, each with two rubber tire running wheels and 4 rubber
tire guidance wheels
Dimensions:
Maximum width: 8ft 4.8in (256 cm)
Length: 44ft 5in over coupler faces
Height: 11ft 9in over running rail
Floor Height: 38.5in over running rail
Weight: 41,000 pounds empty
Two 750 V DC traction motors, chopper controlled
Air bag suspension with self leveling at station platforms
Roof mounted HVAC
Manual control panels at both ends (for emergency operations)
Consist size: 1 to 3 cars per train
Minimum number of seats: 4 (2 lateral over each wheel well)
Doors:
Two bi-parting, outside hung doors on each side
Width: 84in
Height: 76in
Regenerative electrical braking and disc brakes
Two way voice communication with central control
Facilities:
5 stations, all enclosed center platform with platform doors
and CCTV coverage
Two end of line stations with double (scissor) crossovers
(10 mph maximum speed) in front for reversing direction
Three double or universal crossovers (10 mph maximum speed)
along the line for shuttle or runaround operations
Guideway length:
2.71 miles of double track mainline
1.94 miles elevated
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