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Fire & life safety · Pathfinder

Fire Evacuation Simulation & Egress Analysis

Mardi Rahayu Hospital, Kudus · PT Global Rancang Selaras

I model how everyone in a multi-storey hospital gets out during a fire, including patients who cannot walk. I find the bottlenecks and check that the building empties well before conditions become dangerous. This is a weekly-reported study for the firm's principal.

530occupants modelled floor by floor, with profiles
RSET < ASETwith a 1.5 safety factor
1:1 · 4:1staff per wheelchair · staff per stretcher
40 mmax travel distance, sprinklered healthcare

What I did

  • Built the occupant workbook (area per person, staff ratios, patient types) and imported the floor plans into Pathfinder.
  • Used Steering mode for assisted evacuation, with walking speeds of 1.0 m/s for staff and 0.6 m/s for elderly people.
  • Ran the evacuations, read the congestion at stairs and doors, and reported results as videos and slides.

Standards

  • SNI 03-1746-2000 (means of egress)
  • Permen PU 26/2008 (fire protection)
  • Defend-in-place: 2.8 m² per patient
PathfinderAutoCADExcelSep 2026 – now