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Workplace Heat Illness Prevention

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Workplace Heat Illness Prevention SU Office of Environmental Health & Safety Occupational Health & Safety Program x3-0448 6/11 Outline Outline Heat illness Risk ... – PowerPoint PPT presentation

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Title: Workplace Heat Illness Prevention


1
Workplace Heat Illness Prevention
  • SU Office of Environmental Health
    SafetyOccupational Health Safety
    Programx3-04486/11

2
Outline
  • Outline
  • Heat illness
  • Risk factors
  • How the body handles heat
  • Types of heat illness
  • Prevention of heat illness
  • Emergency response procedures
  • Supervisor guidelines

3
Cal/OSHA Standard
  • 8 CCR 3395- Heat Illness Prevention
  • Applies to outdoor places of employment with heat
    illness potential
  • Requirements
  • Heat illness prevention training for supervisors
    and employees
  • Provision of water
  • Access to shade
  • Local procedures for heat illness prevention

4
Training
  • Prior to work in warm weather, supervisors and
    employees shall be trained on the following
  • The departments heat illness prevention
    procedures
  • Environmental and personal risk factors for heat
    illness
  • The importance of consuming water throughout the
    work shift
  • The importance of acclimatization
  • Common signs/symptoms of heat illness
  • The importance of reporting sign/symptoms of heat
    illness to the supervisor
  • Emergency response procedures

5
Heat Illness
6
Risk Factors for Heat Illness
  • Weather conditions
  • Temperature
  • Humidity
  • Air movement
  • Radiant heat (ex sunshine)
  • Conductive heat (ex ground)
  • Higher intensity and/or duration of physical
    activity
  • PPE/ clothing can be a factor (i.e., tyvek
    overalls)

7
Personal Risk Factors
  • Poor physical condition
  • Age
  • Degree of acclimatization
  • Water consumption
  • Some medications
  • Alcohol/ drugs
  • Recommend checking w/ personal physician about
    heat illness risk

8
How the Body Handles Heat
  • The body tries to keep a constant internal
    temperature
  • As internal temperature rises from activity, the
    body cools itself by
  • Increasing blood flow to skin surface
  • Releasing sweat onto skin surface

9
Heat Exhaustion
  • Cause
  • Excessive loss of water and salt through sweat
  • Signs Symptoms
  • Headaches, dizziness, lightheadedness or fainting
  • Weakness and moist skin
  • Muscle cramps
  • Mood changes such as irritability or confusion
  • Upset stomach or vomiting

10
Heat Stroke
  • Cause
  • Total breakdown of bodys cooling system
  • Signs Symptoms
  • Sweating stops-- skin is hot, red, and dry
  • Mental confusion, losing consciousness
  • Fainting
  • Seizures or convulsions
  • Treat as a medical emergency! Can be life
    threatening.

11
Emergency Response Procedures
  • For any of the previously mentioned symptoms
  • Immediately call 911 or 9-911 (from a campus
    phone) OR transport to Stanford Hospital
    Emergency Room
  • While waiting for help
  • Move victim to cool area
  • Give small cup of water (if conscious and not
    nauseous)
  • Loosen and/or remove clothing
  • Fan and mist the person w/ water
  • Apply a water-soaked towel (or ice pack wrapped
    in towel) to head and ice pack to armpits
  • Contact supervisor immediately
  • Anyone with symptoms must never be sent home or
    left unattended without a medical evaluation
  • SUOHC follow-up for employees evaluated for heat
    illness

12
Prevention of Heat Illness
13
Access to Water
  • Access to sufficient amounts of cool drinking
    water shall be available at all times.
  • Recommend consuming at least four cups per hour
    for the entire shift.

14
Access to Shade
  • A shaded rest area shall be provided as close as
    practicable to the work area.
  • Refer to your departments local procedures for
    accessing shade
  • As needed, take frequent cool-down breaks in the
    provided shade.

15
Supervisor Guidance
16
Work Planning and Supervision
  • Assess conditions
  • Weather forecasts - http//nws.noaa.gov
  • Current weather - http//weather.stanford.edu
  • Note high humidity drives up the heat load
  • For warmer periods
  • Schedule outdoor work during cooler parts of the
    day
  • For most strenuous tasks, plan a staff rotation

17
Work Planning and Supervision
  • Worker acclimatization
  • People adapt to outdoor temperature increases
    within 4-14 days. To minimize the risk of heat
    illness
  • Adjust work schedules and intensities during a
    two-week period
  • New employees or those returning from extended
    leaves acclimatization is especially important
  • May not be adapted to local weather or work
    intensity
  • Be extra vigilant with these employees

18
Work Planning and Supervision
  • For outdoor temperatures 85F, supervisors shall
    ensure
  • Shade is present for employee rest breaks.
  • When a worker has brief periods of outdoor work
    without nearby shade, the employee shall be
    instructed on how he/ she will be able to quickly
    access shade as needed for heat illness
    prevention
  • If it is not safe or feasible to provide shade,
    document why the shade cannot be provided and
    what steps will be taken to provide shade upon
    request or an alternative cooling measure with
    equivalent protection.
  • Staff are reminded throughout the day to drink
    plenty of water and to take cool-down breaks in
    the shade (when they feel the need to do so)
  • Effective means for employees to contact the
    supervisor and emergency services
  • Regular monitoring of employees for alertness and
    signs/symptoms of heat illness
  • Close supervision of new employees

19
Written Procedures
  • The minimal procedures are listed in the SU Heat
    Illness Prevention guidance. These steps detail
    how your personnel will locally
  • Provide supervisor and employee training
  • Provide access to water shade
  • Monitor employees and report signs/symptoms of
    heat illness
  • Respond to heat illnesses without delay, provide
    first aid and emergency services.
  • Provide clear and precise directions to the
    worksite.
  • Train all supervisors and employees on these
    procedures.
  • Document training
  • Maintain the procedures on-site or close to the
    site, so that it can be made available to
    representatives of Cal/OSHA upon request.

20
Summary of Supervisor Responsibilities
  • Obtain heat illness prevention training
  • Be aware of your staffs heat stress potential
  • Develop and train staff on written local heat
    illness prevention procedures
  • Provide access to water and shade
  • Plan and manage work activities accordingly to
    reduce the risk of heat stress
  • Be able to recognize any warning signs of heat
    illness
  • Promptly respond to symptoms of heat illness!

21
For Additional Information
  • Visit the Cal/OSHA Heat Illness websites
  • http//www.dir.ca.gov/DOSH/HeatIllnessInfo.html
  • http//www.99calor.org/english.html

22
Thanks for your attention!
  • Contact EHS at 723-0448 if you have any
    questions.
  • http//ehs.stanford.edu
  • http//iipp.stanford.edu
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