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Heat Stress
PPT-SM-HSt 2015 2
In 2012, there were 31 heat-related worker deaths and
4,120 heat-related worker illnesses
PPT-SM-HSt 2015 3
During hot weather, especially with high humidity, sweating is
not enough
The body normally cools itself by sweating
PPT-SM-HSt 2015 4
Your body temperature can
rise to dangerous levels if you do not take precautions,
such as drinking water frequently and resting in the
shade or air conditioning
PPT-SM-HSt 2015 5
Heat illnesses include• Heat rash• Heat cramps• Heat exhaustion• Heat stroke
PPT-SM-HSt 2015 6
• Is skin irritation caused
by sweat that does not evaporate from your skin
• Is the most common heat problem in hot work
environments
HEAT RASH
PPT-SM-HSt 2015
• Are caused by the loss of body salts and fluidduring sweating
• The muscles you use for work – legs, arms, abdomen – are usually the ones affected by cramps
HEAT CRAMPS
7
PPT-SM-HSt 2015 8
• Is the body’s response to
loss of water and saltfrom heavy sweating
• Signs include headache, nausea, dizziness, weakness, irritability, thirst, and heavy
sweating
HEAT EXHAUSTION
PPT-SM-HSt 2015 9
• Is when the body becomes
unable to regulate its core temperature
• Is the most serious form of heat stress
HEAT STROKE
Signs of heat stroke
• Confusion• Loss of consciousness• Seizures
PPT-SM-HSt 2015 10
Heat stroke is a medical emergency that may result
in death. Call 911 immediately.
PPT-SM-HSt 2015 11
High air temperatures Heat coming from hot surfaces,
like fireplaces or space heaters High humidity Touching or leaning against hot
objects Intense physical activity
Work that has a high potential for causing
heat stress involves
PPT-SM-HSt 2015 12
High-risk jobs include farm work, construction, oil and gas well operations, asbestos removal, landscaping, emergency response operations, hazardous waste site activities, and
more
PPT-SM-HSt 2015
Call a supervisor for help; if a
supervisor is not available, call 911 Have someone stay with the worker
until help arrives Move the worker to a cooler/shaded
area Remove the worker’s outer clothing…
What to do when a worker is ill from heat
13
PPT-SM-HSt 2015
Fan and mist the worker with water; apply ice
Provide cool drinking water if the worker is able to drink
If the worker is not alert or seems
confused, call 911 immediately and
apply ice as soon as possible
14
PPT-SM-HSt 2015 15
The heat index, which
takes both temperature and humidity into account, is a useful tool for outdoor workers and employers
PPT-SM-HSt 2015
To prevent heat illness, your
employer should Set up a complete heat illness
prevention plan Provide training about the
hazards that lead to heat stressand how to prevent them…
16
PPT-SM-HSt 2015
Provide cool water toworkers close to the work area Modify work schedules and
arrange frequent rest periodswith water breaks in
shaded or air-conditioned areas…
17
PPT-SM-HSt 2015 18
Allow workers to gradually adapt to the heat
Routinely check on workers who are at risk for heat illnesses
Consider PPE that helps cool workers down
PPT-SM-HSt 2015
How can you protect yourself and your coworkers?
• Know the signs and symptoms of heat illnesses, monitor yourself, and use the buddy system
• Block out direct sun and other heat sources…
19
PPT-SM-HSt 2015 20
Drink plenty of fluids. Drink often and before you are thirsty. Drink water every 15 minutes.
Avoid beverages that contain alcohol or caffeine
Wear lightweight, light-colored, and loose-fitting clothes
PPT-SM-HSt 2015 21
Safe
ty M
eetin
g Quiz
: Hea
t Stre
ssSign and date this quiz sheet. Circle the letter representing the correct answer to each quiz question below.
Name:©
201
5 PE
C S
afet
y, In
c.
KEY-SM-HEat StrESSPUB. JUNE.16.2015
Date:
1. Work that has a high potential for causing heat stress involves ______.
A. Chilly weatherB. High humidityC. ShadeD. Water
2. Heat ______ is the most serious form of heat stress.
A. CrampsB. ExhaustionC. RashD. Stroke
3. It is recommended that you drink water every _______ minutes.
A. 15B. 20C. 25D. 30
4. ________ should set up a complete heat illness prevention plan.
A. YouB. Your coworkerC. Your employerD. Your friend
5. Heat _______ are caused by loss of body salts and fluid during sweating.
A. BurnsB. CrampsC. RashesD. Strokes
6. _______ beverages that contain alcohol or caffeine.
A. Drink manyB. AvoidC. BuyD. Drink
7. Heat ________ is the body’s response to loss of water and salt from heavy sweating.
A. BurnB. ExhaustionC. RashD. Stroke
8. If a worker is not alert or seems confused, call ________ immediately.
A. 911B. 811C. 711D. 611
9. ________, arms, and the abdomen are usually affected by cramps.
A. EarsB. EyesC. FingersD. Legs
10. ________ check on workers who are at risk for heat stress because they are wearing protective clothing and are being exposed to high temperatures.
A. NeverB. RarelyC. RoutinelyD. Sometimes
Heat
Stre
ss
Safety Meeting answer Keys: Heat Stress Instructors: The following key shows the answers for the Heat Stress safety meeting quiz.
© 2015 PEC
Safety, Inc.
QUIZ-SM-HEat StrESSPUB. JUNE.16.2015
1. B
2. D
3. A
4. C
5. B
6. B
7. B
8. A
9. D
10. C
This is to certify that
has successfully completed thePEC Safety Meeting
Heat Stress
Instructor Date Awarded
STUDENT ROSTER
PRINT STUDENT NAME (CLEARLY) STUDENT SIGNATURE LAST 4 SSN or DOB1.
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INSTRUCTOR NAME SAFETY MEETING DATE
SAFETY MEETING NAME COMPANY NAME
Student Instructions: Print and sign your name. Also, provide your date of birth or the last four digits of your social security number.
©2014 PEC Safety, Inc. All rights reserved.