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Heat Stress Survey Flashcards

(62 cards)

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1
Q

Define Heat Stress

A

combination of thermal radiation, air temp and flow, humidity, and work load that affect the body’s abilities to regulate temperature

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2
Q

what are the environmental factors causing heat stress

A

Thermal Radiation

Ventilation

Humidity

Air/sea water temp

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3
Q

Define acclimatization

A

the act of becoming a custom to temp or new environment

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4
Q

Acclimatization happens how

A

gradually within 3+ weeks

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5
Q

How does past exposure heat injuries affect an individual

A

decreases the ability to handle heat stress conditions

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6
Q

what are the med history factors that affect heat personal stress

A

past exposure

heath conditions
G6PD
Sickle cell

medications

drugs / alcohol

exercise and fluid intake

lack of sleep

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7
Q

excessive heat stress can cause

A

heat injury or death

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8
Q

what are the areas aboard ships where heat stress injuries are most common

A

flight deck

incinerator room

Laundries

Machinery spaces

Sculleries

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9
Q

what are the causes and contributors to heat stress condition

A

arduous operations

ventilation deficiencies

Steam and water leaks

Boiler air casing leaks

missing/deteriorated thermal insulation

weather conditions

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10
Q

a physiological heat exposure limit (PHEL) chart is as set of how many curves

A

6

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11
Q

the physiological heat exposure limit (PHEL) curve and work rate are est. by who

A

industrial hygienist / NAVSEA

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12
Q

what are the assignment categories of physiological heat exposure limit (PHEL) curves

A

Routine operations

Non- routine operations

Evacuation control center exercise

heavy work load

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13
Q

physiological heat exposure limit (PHEL) curve, routine operations is considered as

A

light work

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14
Q

what is done when physiological heat exposure limit (PHEL) curve, non routine operations is assigned

A

use next higher PHEL when determining stay time

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15
Q

physiological heat exposure limit (PHEL) curve, non routine is assigned when

A

increase in normal watch rate and minor equipment casualty

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16
Q

physiological heat exposure limit (PHEL) curve, ECC is assigned when

A

conducting evacuation control center drills

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17
Q

what physiological heat exposure limit (PHEL) curve, is assigned when conducting a heavy work load

A

PHEL VI

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18
Q

Define stay time

A

maximum allowable time personnel may work in heat stress condition at a given time

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19
Q

Define recovery time

A

minimum of twice the stay time as determined by the PHEL chart or 4 hours whichever is shorter

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20
Q

who must provide heat stress training for newly reporting personnel during indoc

A

Medical Department representative

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21
Q

what film must the Medical Department representative play

A

play it cool: heat stress prevention afloat

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22
Q

what are the 5 topics that the Medical Department representative must include in training

A

causes of heat stress

Hazards

Sx of exposure

heat stress first aid

heat stress monitoring

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23
Q

Heat stress monitors must receive training within how many weeks after appointment

A

12

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24
Q

what training must a heat stress surveyors complete

A

Heat stress surveyor watch station 318

NAVEDTRA 43704

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25
what are the requirements for reporting heat stress injuries
Report using A&I report report to naval safety center using web enabled safety system (WESS) heat related injuries report to naval disease reporting system
26
if NDRS is not available how is injury reported
using a medical event report format
27
all heat stress monitoring will be reviewed by who and for what
SMDR inaccuracies and QA checks
28
who will make notation of any existing problems and corrective actions implemented IRT Heat stress
Supervisor engineering officer of the watch
29
what must be done Prior to Engineering Casualty or Damage Control Training Team (ECCTT/DCTT) drills,
the Drill Supervisor must be informed of the current STAY TIMES.
30
who are heat surveys routed to
XO/CO for comments and actions
31
what time are Routine reports where no administrative controls are required submitted at
8 o' clock reports (2000 time frame)
32
how long must the SMDR maintain heat stress survey reports
1 year
33
what are required monitoring conditions for PHEL I though III
4 hrs or less of watch and DB is equal or greater than 100 or 4hrs or more of watch DB equal or greater than 90
34
what are required monitoring conditions for PHEL IV through VI
DB is equal or greater than 85
35
What are other events that require monitoring
Any space where a heat casualty occurs During a drill set that exceeds 3 hrs in duration When directed by CO
36
What are the two types of evaluation equipment individual elements
Dry bulb thermometer Heat stress meter
37
What are the two types of heat stress meters
RSS-220 WBGT Meter QUESTemp 48N Heat Stress Monitor
38
What is the function of the dry bulb thermometer
Measure ambient air temperature at work sites Serves as an indicator for further heat stress monitoring by use of WBGT meter
39
Describe placement of hanging dry bulb
Permanently mounted where heat stress may exist Temporarily mount at Temporary work sites Properly shielded from influencing factors (heat/cold)
40
What accuracy is desired compared to wbgt meter for hanging db?
Within 5⁰
41
If not within 5⁰ from wbgt meter the dB should be
Re-positioned
42
DB temperatures should be read how often
Every 4 hrs in spaces that dB does not exceed 85⁰ F Hourly if - heat casualties - dB exceeds 85⁰ F
43
What report can be generated and maintained on file by computer storage for inspection by ISIC or higher
SAMS generated report
44
Two types of temperature recording
Routine High temperature
45
What does dB routine recording consist of
Record on appropriate log sheet Reviewed by supervisor once each watch or shift
46
What does db high temperature recording consist of
Circle in red 100⁰ F or higher db temps Notify supervisor immediately Monitor all workstations in that space with wbgt meter
47
Db temperatures shall be recorded on what
Heat stress monitoring sheet during wbgt monitoring
48
What do heat stress meters measure independently
Db (ambient) Wb (humidity) Globe (radiant)
49
What is the wbgt index
A measurement of environmental conditions that consist of db, wb and gt
50
Wbgt index equation
(0.1xDB)+(0.7xWB)+(0.2xGT)
51
Combustion gases which may accumulate in a space due to inadequate ventilation or machinery malfunction is called
Fuel combustion gases (stack gas)
52
What happens when exposed to Fuel combustion gases (stack gas) Not signs and symptoms...
Physiological effects intensified with heat stress Vasodilation of peripheral vessels results in further impairment of cardiovascular system
53
What are signs and symptoms of fuel combustion gases (stack gas)
Watery eyes Dyspnea Tingling or numbness of the tip of the tongue, nose, fingers and toes Mild sensation of alcohol intoxication
54
Actions taken for fuel combustion gases (stack gas) exposure
Reduce exposure limits if two other more symptoms detected Determine new PHEL using table b2-a-5 or divide current phel time by 3.
55
Calibration checks for rss-220 acceptable range
100.0 + or -0.2 degrees F
56
Survey procedures for rss-220
Place at watch stander's normal working position Ensure ventilation is arranged normally Db/wb should face air flow Hold meter at chest level, 1 ft away from body
57
Wait times for rss-220
Initial 5 mins and 3 mins for subsequent readings
58
QUESTemp 48N monitor procedures
Turn on, ensure voltage over 6.4 or replace power source Select view in main menu Press I/O enter key for measurement screen Press run/stop key to begin Use arrow keys to set display to desired items Hold at chest level, 18" away from body
59
Wait times for QUESTemp 48N
10 min initial If moved to another site, 5 mins
60
Automated heat stress system must be mounted where
Most accurate position of where workers spend the majority of their time
61
How many portable meters are required with AHSS fitted ships
2
62
What information shall be documented after wbgt recording
Specific mounting location Hanging db temp Wbgt readings (db, wb, gt and wbgt index) Determined exposure limits Next wbgt monitoring time Availability of potable water Manual wbgt calculation Any noted discrepancies (missing lagging)

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