1 Incident
2 Occupancy group · gold dot = most common
3 Construction type
Pick an occupancy and construction type to load the ICC $/sq ft value.
4 Building footprint
Measure each section's footprint in Google Maps (satellite + measure tool). Add a row per section with a different floor count — e.g. a 1-story wing and a 3-story wing.
5 Area affected by fire
Google Maps can't measure interior rooms. Estimate from floor plans, occupancy load, or on-scene pacing. Result feeds the affected sq ft above.
6 Contents
Cars in a garage count as structure; cars in a driveway are an exposure. Often left at $0 since contents are usually unknown.