Case File · 16-B · Vertical Transport Study ·

The Two Button Problem

Comparative dispatch analysis, Zitan Tower, Greenfield District, Mandaluyong. Policy A is the current split arrangement, two cars on one hall call and the pet car on its own isolated button. Policy B restores a single linked call across all three. Identical passenger demand is fed to both.

Exhibit3 CARS · 33 STOPS

Parameters Exhibit A

Traffic Profile

Peak Demand 3.5 % Riders Who Press Both Buttons 55 % Pet Car Accepted By General Riders 70 % Pet Car Extra Door Dwell 4.0 s Idle Car Parking

Independent Runs Averaged 4

Computed handling capacity appears here after the first run.

Fixed inputs: 33 served stops (label 3 commercial, passed without stopping, label 13 omitted), 18 units per floor, 2.4 persons per unit, 1,404 modelled occupants, 13 person cars, 2.5 m/s, 3.6 s door cycle, 1.2 s per person transfer. Each run is 30 simulated minutes with the first 5 discarded as warm up.

GHOST CALL LEDGER · IDLE

Speed

Car in service Ghost call, doors opened for nobody Productive stop Car 3, pet car Per floor ghost call heat

Findings Exhibit B

PENDING

Cost of the split call

Not yet run

Open the investigation to compute both policies.

Service, policy A against policy B

Wear channels, per 30 minutes of peak

Annual load per car, policy A

Annual load per car, policy B

Tower

Zitan · labels G to 36 · 102 m rise

Served Stops

33 above lobby · 3 and 13 excluded

Modelled Occupants

1,404 across 576 units

Group Configuration

2 passenger cars + 1 pet car (service car excluded)

Parameters Exhibit A

Findings Exhibit B

Supplemental Report · For Distribution To Building Administration