Hazard and Vulnerability Assessment OSHA by alicejenny


									             Hazard and

OSHA Training Institute – Region IX
University of California, San Diego (UCSD) - Extension

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   Discuss methods of conducting a hazard
    vulnerability analysis (HVA)
   Identify how the HVA is applicable to
    preparedness and evacuation
   Practice effective training techniques in
    conducting a HVA

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The HVA and the Relationship
to Evacuation
   The HVA is a tool used to evaluate the potential
    risks for a facility
   It is not an evaluation of the potential for
   However, risks identified in the process may
    focus the organization toward the need to
    mitigate and prepare for circumstances that
    could include evacuation

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The Purpose of the HVA
   The purpose is a prioritization process that will
    result in a risk assessment for “all hazards”
   The tool includes consideration of multiple
   The focus is on organization planning and
    resources and /or the determine that no action
    may be required. This is an organization

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Is this required?
   The Joint Commission, previously called the
    Joint Commission of Accreditation of Healthcare
    Organizations (JCAHO), requests an HVA for
    organizations to determine the focus of their
    emergency planning
   There is no specific tool nor method defined

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HVA Categories for Evaluation
   There are categories considered in a formal
    process of assessing an HVA
   Most HVA tools include an assessment of the
    following factors:
     Probability that an event will occur
     The risk of disruption to the organization associated
      with the event scored as high, moderate or low or a
      similar description.
     The level of preparedness

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Probability of Occurrence
   The probability may be based on statistics and
    objective information but also may be intuitive
    and highly subjective.

   The following factors are often considered:
     Known   risk
     Historical data
     Manufacturer or vendor statistics

              American Society of Healthcare Engineering 2001

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Historical Data
   Natural events
   Hazardous material
   Technological
   Infrastructure

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Risk Assessment
   The risk of an event is assessed based on:
     Threat to life and/or health
     Disruption of services
     Damage for failure possibilities
     Loss of community trust
     Financial impact and legal issues

    American Society of Healthcare Engineering 2001

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   Preparedness of the organization’s ability
    to manage risks, can include items such
     Status of current plans
     Training
     Insurance
     Back up systems
     Community resources

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   There are a number of models for an HVA.
   Two well known models are from
     American Society of Healthcare Engineering (ASHE)
     Kaiser Foundation
   Both models can be adjusted to fit the
   Security organizations and other vendors also
    market HVA tools

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Medical Center HVA Model
   Kaiser model also includes:
     Probability
     Response  factors
     Human, property and business impacts, each
      considered as a separate issue

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A Comparison of Threat Events
Considered in HVA Models

   ASHE Model 2001                      Kaiser Foundation
                                          Model 2001
     Human   Events                        Human   Events
     Natural Events                        Natural Events

     Technological Events                  Technological Events
                                            Hazmat Events

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Natural Events

   Risks common to the area or geography of the
    region, for example: storms, earthquakes,
    floods, and tornadoes, and other natural causes
    of damage
   The impact may be able to be mitigated or may
    result in a partial or complete evacuation
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Mitigation Plans for Regions
   Other models use sophisticated software to
    determine the hazards by cities, counties or
    regional areas
   Are used for the development of mitigation
    plans for multi-jurisdictions

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Drill HVA
 Grayville Hospital
 Location: Grayville, CA; Eastern Sierras
 Population: 150,000
 Description: small town with general
  services, small businesses, surrounded by
  rural areas and ranches

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Grayville Hospital
 70 Beds
 Two story building; 50 years old
 ED: 5 beds; in West Wing of hospital
     West  Wing is single story, recently renovated
      and structurally reinforced 5 yrs ago
     ED connected to hospital by an enclosed
   Patient units on second floor of hospital
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Grayville Hospital
On the first floor:
 Six bed ICU/CCU
 Two room Labor and Delivery
 Ten bed family unit
 Small nursery
 OR:
    4  suites, 2 procedure rooms
     5 gurney recovery room
   Radiology and Laboratory
   Five Administrative offices
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Why is this
Important to Worker Well-being?
   Preparedness efforts, plans and resources are
    directly related to the organization’s HVA
   Engineering controls may occur as a result of
    HVA thus reducing risk for the work force
   Safety factors are considered
   Process promotes understanding of current
    resources that may not have been known
    beyond the “expert”

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Evacuation Implications
   When a risk is identified in the HVA that would
    potentially result in an evacuation, the
    organization should focus on issues that could
    impact the need to evacuate or to mitigate the
    risk. Examples:
     Routes
     Locations
     Personal  Protective Equipment (PPE)
     Communication to employees with special needs
     Special situations - management of family on site

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What Does It All Mean?
   HVA tools, used to prioritize specific and overall
    relative risks, are based on mathematical
    formulas that are either embedded in the
    document or managed manually
   The factors considered in the assessment
    includes the assumption that the risk occurs at
    the worst possible time and with a full patient

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What is the greatest risk?
   The HVA process helps
    an organization prioritize
    in the order of criticality
   The efforts to decrease
    the consequences of a
    possible event can be
    focused upon. This
    includes evacuation.

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Examples of HVA Tools
   American Society for Healthcare Engineering of the American
    Hospital Association

   Kaiser Permanente’s interactive HVA tool available at:

   Emergency Management Program Guidebook
    Published by VHA Center for Engineering & Occupational Safety and
    Health, St. Louis, MO

   For review of an HVA sample go to:
    Click HVA under index link

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   American Society of Healthcare Engineering 2001
   FEMA. Emergency Management Institute Hazard
    vulnerability analysis and risk assessment. Unit 2
   Joint Commission Resources Hazard vulnerability
    analysis (HVA), May/Jun 2002, 2-3

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More References
   Kaiser Permanente. Medical center hazard and
    vulnerability analysis. 2001 Kaiser Foundation
    Health Plan, Inc.
   Schwartz RB. Hospital preparedness for mass
    casualties in disasters. Institute of Disaster
    Medicine Medical College of Georgia slide set

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