Implementing HAZUS-MH in Pre-Disaster Mitigation

1
Implementing HAZUS-MH in Pre-Disaster Mitigation

• David Slayter, R.G.
• County of Yuba
• Office of Emergency Services

2
What is HAZUS-MH?
(Hazards U.S. Multi-Hazard)

• Geographic Information System (GIS)-based
  software
• Calculates estimated loss due to physical damage
  from earthquakes, floods, and wind (does not
  estimate losses due to fire)
• Knowing potential losses helps toward
• Improved infrastructure to protect the public and
  reduce economic losses
• Improved planning decision-making

3
HAZUS-MH Capabilities

• Estimates direct physical damage to
• Buildings and their contents
• Essential facilities
• Bridges and pipelines
• Induced damage
• Debris generation

4
HAZUS-MH Capabilities

• Direct Losses
• Cost of repairs or replacement
• Income loss
• Agricultural losses
• Indirect Losses
• Supply shortages
• Sales declines

5
HAZUS-MH Capabilities

• The estimation is calculated by spatial analysis
  methods using
• Nationwide databases
• Census 2000
• Dun Bradstreet data of commercial businesses
• Nationally-standardized loss estimation and risk
  assessment methodology
• National Institute of Building Sciences
  (NIBS)-developed loss estimation methods

6
HAZUS-MH Capabilities

• Nationwide Databases
• Demographics Population, Employment, Housing
• Building Stock Residential, Commercial,
  Industrial
• Essential Facilities Hospitals, Schools, Police
  Stations, Fire Stations
• Transportation Highways, Bridges, Railways,
  Tunnels, Airports, Ports and Harbors, Ferry
  Facilities
• Utilities Waste Water, Potable Water, Oil, Gas,
  Electric Power, Communication Facilities
• High Potential Loss Facilities Dams and Levees,
  Nuclear Facilities, Hazardous Material Sites,
  Military Installations

7
HAZUS-MH Capabilities
8
Benefits

• HAZUS-MH allows the user to
• IDENTIFY vulnerable areas that may require
  planning considerations
• ASSESS level of readiness and preparedness to
  deal with a disaster before it occurs
• ESTIMATE potential losses from specific hazard
  events (before or after a disaster hits)
• DECIDE how to allocate resources for most
  effective and efficient response and recovery
• PRIORITIZE mitigation measures that need to be
  implemented to reduce future losses

9
Hazard Scenarios

• Flood
• Specific Return Intervals
• Specific Discharge Frequency
• Annualized Losses
• Quick Look
• Earthquake
• Simulate user defined, historic, or probabilistic
  events

10
EXAMPLEHAZUS-MH Flood Model Results

• Hazard maps
• Flood depth
• Building losses
• By occupancy and by building type
• By full replacement value and depreciated
  replacement value
• Building, content, and inventory losses
• Costs of relocation, wage and income losses,
  rental income loss
• Direct employee output losses and employment loss
  (days)

11
EXAMPLEHAZUS-MH Flood Model Results

• Essential facilities
• Building and content losses
• Functionality assessment (yes/no)
• Restoration time to 100 functionality
• Lifeline losses
• Losses to structures and equipment
• Functionality assessment (yes/no)
• Vehicles and agriculture losses
• Shelter requirements

12
Example HAZUS-MH Output
List of schools from HAZUS-MH versus Yuba County
GIS
m
HAZUS fire stations
µ
Volunteer and City Fire Departments
F
CDF facilities
13
Example HAZUS-MH Output
Number of students enrolled K-12
Household Income Distribution Wheatland ( in
Thousands)
Children Less Than 16 years old (each dot 3
children)
Ethnic Distribution as Pop. (portion east
Marysville)
14
Example HAZUS-MH Output
Building types
15
Summary

• HAZUS-MH will provide the PDM Plan FEMA-approved
  risk assessment evaluation.
• Results will be used to guide mitigation
  opportunities for at-risk areas.
• Motivation for continued maintenance and
  expansion of Yuba County GIS inventories.