Raw JSON
{
"infrastructure_types": {
"pipeline": {
"description": "Gas, oil, water, or wastewater pipeline",
"subtypes": [
"gas",
"oil",
"water",
"wastewater"
],
"failure_cost_per_km_usd": 850000,
"typical_failure_modes": [
"Third-party excavation damage",
"Corrosion (internal/external)",
"Landslide-induced bending/shear",
"Subsidence-induced joint separation",
"Flood scour and buoyancy",
"Seismic wave propagation and fault offset",
"Soil movement (expansive clay cycling)"
],
"design_life_years": 50,
"inspection_interval_months": 12,
"top_vulnerability_hazards": [
{
"hazard": "landslide",
"weight": 1.0
},
{
"hazard": "subsidence",
"weight": 0.95
},
{
"hazard": "soil_movement",
"weight": 0.9
}
]
},
"power_line": {
"description": "High-voltage transmission or distribution line",
"subtypes": [
"transmission",
"distribution"
],
"failure_cost_per_km_usd": 450000,
"typical_failure_modes": [
"Tower/pole foundation failure from subsidence",
"Conductor galloping from wind/ice",
"Wildfire ignition from conductor contact",
"Landslide damage to tower foundations",
"Flood erosion of tower footings",
"Seismic damage to substations and towers"
],
"design_life_years": 40,
"inspection_interval_months": 6,
"top_vulnerability_hazards": [
{
"hazard": "wildfire",
"weight": 1.0
},
{
"hazard": "weather_severe",
"weight": 0.95
},
{
"hazard": "landslide",
"weight": 0.7
}
]
},
"fiber_optic": {
"description": "Buried or aerial fiber optic cable",
"subtypes": [
"buried",
"aerial",
"submarine"
],
"failure_cost_per_km_usd": 120000,
"typical_failure_modes": [
"Third-party dig-in damage",
"Landslide cable shear",
"Subsidence micro-bending and signal loss",
"Flood scour exposure",
"Seismic ground deformation"
],
"design_life_years": 25,
"inspection_interval_months": 12,
"top_vulnerability_hazards": [
{
"hazard": "landslide",
"weight": 0.85
},
{
"hazard": "subsidence",
"weight": 0.8
},
{
"hazard": "earthquake",
"weight": 0.75
}
]
},
"railway": {
"description": "Freight or passenger rail corridor",
"subtypes": [
"freight",
"passenger",
"high_speed"
],
"failure_cost_per_km_usd": 2500000,
"typical_failure_modes": [
"Track buckling from thermal expansion",
"Ballast washout from flooding",
"Embankment failure from landslide",
"Subgrade settlement from subsidence",
"Rail break from seismic ground motion",
"Bridge scour at river crossings"
],
"design_life_years": 60,
"inspection_interval_months": 3,
"top_vulnerability_hazards": [
{
"hazard": "landslide",
"weight": 0.95
},
{
"hazard": "subsidence",
"weight": 0.9
},
{
"hazard": "flood",
"weight": 0.85
}
]
},
"highway": {
"description": "Highway or major road corridor",
"subtypes": [
"interstate",
"state_highway",
"arterial"
],
"failure_cost_per_km_usd": 3200000,
"typical_failure_modes": [
"Pavement heave from expansive soils",
"Slope failure and rockfall",
"Bridge scour and flood overtopping",
"Seismic damage to bridges and overpasses",
"Subsidence-induced pavement cracking",
"Wildfire damage to guardrails and signage"
],
"design_life_years": 30,
"inspection_interval_months": 6,
"top_vulnerability_hazards": [
{
"hazard": "landslide",
"weight": 0.95
},
{
"hazard": "flood",
"weight": 0.9
},
{
"hazard": "subsidence",
"weight": 0.85
}
]
},
"aqueduct": {
"description": "Water conveyance canal or aqueduct",
"subtypes": [
"open_channel",
"closed_conduit",
"tunnel"
],
"failure_cost_per_km_usd": 1800000,
"typical_failure_modes": [
"Canal lining crack from subsidence",
"Embankment breach from seismic shaking",
"Landslide blockage",
"Flood overtopping",
"Soil piping and seepage failure",
"Foundation erosion from soil movement"
],
"design_life_years": 75,
"inspection_interval_months": 6,
"top_vulnerability_hazards": [
{
"hazard": "subsidence",
"weight": 1.0
},
{
"hazard": "landslide",
"weight": 0.9
},
{
"hazard": "earthquake",
"weight": 0.9
}
]
}
},
"crossing_types": {
"river": {
"description": "River or stream crossing",
"primary_hazards": [
"scour",
"flood",
"buoyancy",
"bank_erosion"
],
"risk_multiplier": 1.8,
"inspection_frequency": "semi-annual"
},
"fault": {
"description": "Active or potentially active fault crossing",
"primary_hazards": [
"fault_offset",
"ground_rupture",
"amplification",
"liquefaction"
],
"risk_multiplier": 2.5,
"inspection_frequency": "annual"
},
"slope": {
"description": "Steep slope or hillside traverse",
"primary_hazards": [
"landslide",
"rockfall",
"soil_creep",
"erosion"
],
"risk_multiplier": 2.0,
"inspection_frequency": "quarterly"
},
"wetland": {
"description": "Wetland, marsh, or bog crossing",
"primary_hazards": [
"settlement",
"buoyancy",
"corrosion",
"access_difficulty"
],
"risk_multiplier": 1.5,
"inspection_frequency": "annual"
},
"urban": {
"description": "Urban area with existing utilities and structures",
"primary_hazards": [
"utility_conflict",
"excavation_damage",
"vibration",
"access_constraints"
],
"risk_multiplier": 1.6,
"inspection_frequency": "annual"
}
},
"hazard_layers": [
"landslide",
"subsidence",
"flood",
"earthquake",
"soil_movement",
"wildfire",
"weather_severe"
],
"risk_levels": {
"LOW": "0-24",
"MODERATE": "25-49",
"HIGH": "50-74",
"CRITICAL": "75-100"
}
}