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NAVOSH > Heat Stress > Flashcards

Heat Stress Flashcards

1
Q

Define Heat Stress

A

Any combination of air temperature, thermal radiation, humidity, airflow, and work load which stress the body as it attempts to regulate temperature.

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2
Q

Environmental factors that cause Heat Stress

A

Thermal radiation
Ventilation
Humidity
Air/ sea water temp

THAV

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3
Q

Factors that contribute to Heat stress

A

Alcohol
Tobacco
Poor Sleep
Dehydration
Diet
Drugs
Past heat cases
G6pd / Sickle cell

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4
Q

Common spaces heat stress occurs in

A

Laundry room
Engineering rooms
Sculleries/ galley
Flight deck
Incineration room

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5
Q

How many PHEL levels are there?

A

6

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6
Q

Examples of Heavy work

A

Changing large valves
Assembling/ disassembling heavy machinery
PHEL VI

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7
Q

What is a stack gas?

A

Gasses that can accumulate in a workspace due to poor or lack of ventilation

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8
Q

Signs and sxs of gas exposure

A

Watery eyes
Numbness and tingling in peripherals
AOC
Dyspnea

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9
Q

Heat stress training is provided by who? How Often? and what?

A

SMDR, Annually, “Play it cool” video

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10
Q

How do you report to the Naval Safety Center?

A

(WESS) Web enabled safety system

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11
Q

Sources of Humidity

A

Condensation
Steam Leaks
Bilge Water

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12
Q

Sources of Air/ Sea water

A

Refrigerator leaks
Engines
Generators
Evaporators

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13
Q

Personal Factors that might affect acclimization

A

Past heat injuries
G6PD / Sickle cell
Medication
Alcohol
Sleep
Drugs
Exercise and fluid intake

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14
Q

What does PHEL stand for

A

Physiological Heat Exposure Limit

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15
Q

Who establishes PHEL?

A

IH & NAVSEA

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16
Q

Reasons to conduct a heat survey

A

Casualty
Heavy work
Drills
Temps @ 100 when working less than 4 hours
Temps @ 90 when working more than 4 hours
CO Requested

17
Q

Subcatagories of PHEL that effect work time

A

Routine
Non Routine (add 1)
ECC exercises (use second category on table)
Heavy work (IV)

18
Q

How do you get a recovery time?

A

Double the time worked for a max of 4 hours. If work time is less than 4, circle red on survey.

19
Q

Manual heat stress training must contain what topics?

A

Hazards
Signs and sxs
First aid
Heat stress monitoring
Cause of heat stress

20
Q

How long does the heat stress monitor have to be trained? What requirement?

A

12 weeks
318 Heat stress surveyor PQS, NAVEDTRA 43704

21
Q

Who notifies of existing problems and corrective actions for surveys?

A

Engineer of the watch
Supervisor

22
Q

Who needs to be notified of changes in work times?

A

CO

23
Q

How long does the SMDR keep heat survey records?

A

1 year

24
Q

What is the equation for manual WBGT?

A

(0.1 x DB) + (0.7 x WB) + (0.2 x GT)

25
Q

What are the approved WBGT devices?

A

RS 220
Quest temp 48N

26
Q

What is the device called that is permanently installed in work environments?

A

AHSS

27
Q

What are other conditions to conduct a heat survey?

A

Drills greater than 3 hours in length
CO requested

28
Q

How do you use the RS220?

A

Turn on
wait 5 minutes to calibrate
wait 3 minutes in between temps of the same area
Hold at chest level and 1 foot away from body

29
Q

How do you use the Questtemp 48N?

A

Turn on
Ensure that the battery reads at least 6.4 volts
Allow 10 minutes for calibration
Allow 5 minutes between readings
Hold at chest level 18 in away from body

30
Q

What does the HB have to be in relation to the WBGT? What do you do if they don’t read the same?

A

5 degrees, if not move the HB till it reads within limits.

31
Q

What is the instruction for Heat Stress?

A

OPNAV 5100.19

32
Q

What systems can you use to report heat stress injuries?

A

Accident & Injury Report
WESS
NDRS
Medical event format email

33
Q

How long will the MDR keep Heat stress records?

A

1 year

34
Q

How often does the DB get documented?

A

every 4 hours if below 85, if over every hour, or if casualties

35
Q

All Government Motor Vehicle (GMV) or Government Vehicle Other (GVO) mishaps
resulting in:

A

) $5000 or more government vehicle, government property damage, private
vehicle, or private property damage.

36
Q

How does the safety officer get notified of Injuries?

A

Injury Report

37
Q

If stack gases are suspected in a work space, what do we do?

A

Reduce exposure limits if sxs detected.
Assign new PHEL

38
Q

Causes and contributors to heat stress conditions

A

(1) Steam and Water Leaks
(2) Boiler Air Casing Leaks
(3) Missing/Deteriorated Thermal Insulation
(4) Ventilation Deficiencies
(5) Weather Conditions
(6) Arduous Operation

39
Q
A

NAVOSH (6 decks)

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