{
 "id": "9.06g",
 "slug": "structure-steel-precast-envelope-site-equipment-site-and-civil",
 "url": "/parts/building-shell-site-and-construction/structure-steel-precast-envelope-site-equipment-site-and-civil",
 "name": "Site and civil",
 "qualifiers": null,
 "layer": {
  "id": 9,
  "name": "Building shell, site & construction"
 },
 "parent_id": "9.06",
 "children": [],
 "summary": "Site preparation, grading, paving, and civil engineering work performed before and during vertical construction.",
 "description_md": null,
 "ai_delta": null,
 "bottleneck_status": null,
 "scale_tiers": [],
 "density_modes": [],
 "scale_notes": null,
 "flow": [
  "shell"
 ],
 "companies": [
  {
   "company_id": "granite",
   "name": "Granite",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "GVA",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "sterling-infrastructure",
   "name": "Sterling Infrastructure",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "STRL",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "kiewit",
   "name": "Kiewit",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "private",
   "ticker": null,
   "product_note": null,
   "note": null,
   "source_url": null
  }
 ]
}