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task library
built templateegress-modelingwith-tool

Egress Width

Calculates required egress width from occupant load and an explicit width-per-occupant criterion, then compares it with provided width. The template reports required width, margin, utilisation, and a numeric pass flag.

inputs

3 fields

context

2 archetypes

engine

with-tool

outputs

4 scored fields

contract fields

Parameter Map

3 inputs to 4 scored outputs

  • occupant_load

    float

    Design occupant load

    1 to 100000persons

  • width_per_occupant_mm

    float

    Required egress width per occupant

    1 to 50mm/person

  • provided_width_mm

    float

    Provided aggregate egress width

    1 to 100000mm
required_width_mmtol 0.03

Required aggregate egress width

provided_margin_mmtol 0.03

Provided width minus required width

utilisation_ratiotol 0.03

Required width divided by provided width

width_satisfiestol 0.01

Numeric flag where 1 means the provided width satisfies the requirement

visibility contract

Difficulty Ladder

all_giveneasy

All parameters given for office exits

all fields visible
all_givenmedium

All parameters given across egress settings

all fields visible
all_givenhard

All parameters given for high-occupancy concourses

all fields visible

scenario bands

Archetype Atlas

office_exit

2 contexts

Office exit width check

occupant_load20 to 800
width_per_occupant_mm4 to 8
provided_width_mm800 to 8000

office-exit / commercial-building

station_concourse

2 contexts

Station concourse egress width check

occupant_load500 to 20000
width_per_occupant_mm4 to 12
provided_width_mm3000 to 60000

station-concourse / public-transport

rendered task

Generation Preview

station-concourse-station-concourse-preview

difficulty
hard
visibility
all_given
archetype
station_concourse
site context
station-concourse
instruction excerptegress-width_calc.py

visible fields

  • occupant_load500 to 20000 persons
  • width_per_occupant_mm4 to 12 mm/person
  • provided_width_mm3000 to 60000 mm

withheld schema

required_width_mmprovided_margin_mmutilisation_ratiowidth_satisfies
Station concourse egress width check. station-concourse. Required outputs: required_width_mm, provided_margin_mm, utilisation_ratio, width_satisfies