The Technical Design process involves the application of geometric design standards to define a design for the railway line and associated rail reserve through consideration of, amongst others, geology, utilities and environmental impacts.
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Rapid Rail Alignment Design Criteria
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Design Element
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Criteria
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Design Speed
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180km
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160km
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Train configuration
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12/8/4 cars
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12/8/4 cars
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Axle loading
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18t/a
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18t/a
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Minimum curve radius (open track) – horizontal
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1800m
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1500m
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Station curve radius
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600m
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600m
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Radius – vertical
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24504.20
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17210.08
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K-value
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245
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172.1
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Track spacing (c/c)
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4m
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4m
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Staging grades
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1:
800 (ideally 1:1000)
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1:
800 (ideally 1:1000)
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Maximum slope (ruling gradient)
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4% (ideally 2%)
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4% (ideally 2%)
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Turnouts
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1:20/1:12/1:9
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1:20/1:12/1:9
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Rail
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60kg/m
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60kg/m
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Distance between station & 1st turnout (station
end to PI)
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25m
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25m
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Transition length
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Car length
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Car length
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Pocket track length
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Train length
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Train length
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Traction
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Electric: Head end
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Electric: head end
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Train control system
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Centralized Traffic Control
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Centralized Traffic Control
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