{
  "sqft": 4000,
  "zip": "36561",
  "location_tier": "coastal",
  "complexity_addon": false,
  "scope": "structural",
  "range_low": 10000,
  "range_high": 14250,
  "currency": "USD",
  "custom_proposal": false,
  "building": {
    "label": "Steel framing budget range",
    "range_low": 64000,
    "range_high": 87000,
    "includes_install": true,
    "delivery_miles_assumed": 150,
    "steel_lb_per_sf": 6.5,
    "weight_assumptions": {
      "stories": "1",
      "wind_mph": "150",
      "exposure": "C",
      "design": "standard",
      "seismic_sdc": "A-B"
    },
    "fab_markup_applied": false,
    "coastal_contingency_applied": false,
    "price_movers": [
      "Wind speed, exposure, or flood zone comes back higher than reported.",
      "Plans change (area, stories, spans, openings) after this estimate.",
      "Engineering calls for heavier gauges, extra bracing, or hold-downs beyond the typical assumption.",
      "Steel prices move before the fabricator bid.",
      "Site access, crane needs, or freight distance beyond the assumed radius.",
      "This range expires 30 days after issue."
    ],
    "firm_pricing": "Firm pricing comes from the fabricator you choose; this range is your budget benchmark.",
    "note": "Budget estimate, not a bid. LGS framing package (fabricated, delivered, optional install). Excludes foundation, finishes, MEP install, and site work."
  },
  "note": "Estimate range only. Itemized estimate follows identity verification; a fixed fee comes by proposal."
}