American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 22)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-17 Revision 4: 05/09/12

Metro Baseline Re-Baseline: 04/29/10

 Machine availability percentage (minimum 95%)

 Mean transaction time by form of payment or transaction (for

example, average transaction time needed to purchase a 20-trip ticket

from a TVM if using two $10 bills.)

 Distribution of payment / transaction types (percentage sold by the

TVM that is expected to be paid by each combination of coins and

bills.)

 Inputs for individual station:

 Daily ridership

 AM peak ridership

 PM peak ridership

 Ridership surge percentage (the percent by which sudden surges

exceed the “constant arrival rate”, for example as would be caused by

a train arriving at the North Hollywood station)

 Proportion of ridership of each fare type among machine users

 For each type fare equipment projected usage counts, including daily,

AM peak and PM peak.

Given these data inputs, each station spreadsheet then automatically calculates

several intermediate variables that will be used to determine final maximum wait

time statistics for each type of fare equipment:

 Equipment composite peak hour transaction time by station

 Adjusted peak hour ridership by station – Based on ridership multiplied by

the adjusted ridership growth

 Total peak hour equipment users by station – Based on the adjusted peak

hour ridership

 Average passenger processing time for each alternative numbers of

machines (ex. Process time for the option of 1 to 25 TVMs are available)

Given these data inputs and intermediate variables, each station spreadsheet

then automatically calculates the final maximum wait time for each type of fare

equipment based on the number of each equipment type available.

If the calculated number of TVMs is less than two per array (at separate

entrances), two TVMs and two SAVs shall be used. At station platforms with

more than one entrance, a single TVM and a single SAV may be placed at each

entrance. Exceptions to the minimum requirement shall be made only after

review of the individual station’s layout (with consideration for safety of

passengers who may cross the vehicle path to reach alternate ticket vending

machines or locations), the fare processing rate of each machine, and the

reliability of the procured fare collection equipment,

C. Parameters and Overall Methodology – Fare Gates

All station designs considered for implementation of fare gating shall have

queuing analysis/modeling and exit calculations performed to determine

feasibility in station design. Where not feasible, station designs shall utilize

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American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 22

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