Interval Calculation

Calculates the average waiting interval between lift arrivals by dividing round-trip time by the number of lifts. The template also reports the number of lift arrivals available in a five-minute assessment period.

inputs

2 fields

context

2 archetypes

engine

with-tool

outputs

2 scored fields

contract fields

Parameter Map

2 inputs to 2 scored outputs

round_trip_time_s
float
Lift round-trip time
20 to 600s
lift_count
floathidden in hard
Number of lifts in the group
1 to 16

interval_stol 0.03

Average interval between lift arrivals

arrivals_per_5mintol 0.03

Lift arrivals in a five-minute period

visibility contract

Difficulty Ladder

all_giveneasy

Small lift group with all values visible

all fields visible

all_givenmedium

Small or large lift group

all fields visible

partialhard

Lift count hidden in group context

lift_count

scenario bands

Archetype Atlas

small_group

2 contexts

Small lift group in a low- or mid-rise building

round_trip_time_s60 to 180

lift_count1 to 4

low-rise-office / apartment-core

large_group

2 contexts

Larger lift group in a commercial building

round_trip_time_s100 to 360

lift_count4 to 12

commercial-tower / hospital-core

rendered task

Generation Preview

commercial-tower-large-group-preview

difficulty: hard
visibility: partial
archetype: large_group
site context: commercial-tower

instruction excerptinterval-calculation_calc.py

visible fields

round_trip_time_s100 to 360 s

withheld schema

lift_countinterval_sarrivals_per_5min

Larger lift group in a commercial building. commercial-tower. Required outputs: interval_s, arrivals_per_5min