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IDC Stuff > Heat Stress Survey > Flashcards

Heat Stress Survey Flashcards

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
Q

what are the requirements for reporting heat stress injuries

A

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
Q

if NDRS is not available how is injury reported

A

using a medical event report format

27
Q

all heat stress monitoring will be reviewed by who and for what

A

SMDR

inaccuracies and QA checks

28
Q

who will make notation of any existing problems and corrective actions implemented IRT Heat stress

A

Supervisor

engineering officer of the watch

29
Q

what must be done Prior to Engineering Casualty or Damage Control Training Team (ECCTT/DCTT) drills,

A

the Drill Supervisor must be informed of the current STAY TIMES.

30
Q

who are heat surveys routed to

A

XO/CO for comments and actions

31
Q

what time are Routine reports where no administrative controls are required submitted at

A

8 o’ clock reports (2000 time frame)

32
Q

how long must the SMDR maintain heat stress survey reports

A

1 year

33
Q

what are required monitoring conditions for PHEL I though III

A

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
Q

what are required monitoring conditions for PHEL IV through VI

A

DB is equal or greater than 85

35
Q

What are other events that require monitoring

A

Any space where a heat casualty occurs

During a drill set that exceeds 3 hrs in duration

When directed by CO

36
Q

What are the two types of evaluation equipment individual elements

A

Dry bulb thermometer

Heat stress meter

37
Q

What are the two types of heat stress meters

A

RSS-220 WBGT Meter

QUESTemp 48N Heat Stress Monitor

38
Q

What is the function of the dry bulb thermometer

A

Measure ambient air temperature at work sites

Serves as an indicator for further heat stress monitoring by use of WBGT meter

39
Q

Describe placement of hanging dry bulb

A

Permanently mounted where heat stress may exist

Temporarily mount at Temporary work sites

Properly shielded from influencing factors (heat/cold)

40
Q

What accuracy is desired compared to wbgt meter for hanging db?

A

Within 5⁰

41
Q

If not within 5⁰ from wbgt meter the dB should be

A

Re-positioned

42
Q

DB temperatures should be read how often

A

Every 4 hrs in spaces that dB does not exceed 85⁰ F

Hourly if

  • heat casualties
  • dB exceeds 85⁰ F
43
Q

What report can be generated and maintained on file by computer storage for inspection by ISIC or higher

A

SAMS generated report

44
Q

Two types of temperature recording

A

Routine

High temperature

45
Q

What does dB routine recording consist of

A

Record on appropriate log sheet

Reviewed by supervisor once each watch or shift

46
Q

What does db high temperature recording consist of

A

Circle in red 100⁰ F or higher db temps

Notify supervisor immediately

Monitor all workstations in that space with wbgt meter

47
Q

Db temperatures shall be recorded on what

A

Heat stress monitoring sheet during wbgt monitoring

48
Q

What do heat stress meters measure independently

A

Db (ambient)

Wb (humidity)

Globe (radiant)

49
Q

What is the wbgt index

A

A measurement of environmental conditions that consist of db, wb and gt

50
Q

Wbgt index equation

A

(0.1xDB)+(0.7xWB)+(0.2xGT)

51
Q

Combustion gases which may accumulate in a space due to inadequate ventilation or machinery malfunction is called

A

Fuel combustion gases (stack gas)

52
Q

What happens when exposed to Fuel combustion gases (stack gas)

Not signs and symptoms…

A

Physiological effects intensified with heat stress

Vasodilation of peripheral vessels results in further impairment of cardiovascular system

53
Q

What are signs and symptoms of fuel combustion gases (stack gas)

A

Watery eyes

Dyspnea

Tingling or numbness of the tip of the tongue, nose, fingers and toes

Mild sensation of alcohol intoxication

54
Q

Actions taken for fuel combustion gases (stack gas) exposure

A

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
Q

Calibration checks for rss-220 acceptable range

A

100.0 + or -0.2 degrees F

56
Q

Survey procedures for rss-220

A

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
Q

Wait times for rss-220

A

Initial 5 mins and 3 mins for subsequent readings

58
Q

QUESTemp 48N monitor procedures

A

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
Q

Wait times for QUESTemp 48N

A

10 min initial

If moved to another site, 5 mins

60
Q

Automated heat stress system must be mounted where

A

Most accurate position of where workers spend the majority of their time

61
Q

How many portable meters are required with AHSS fitted ships

A

2

62
Q

What information shall be documented after wbgt recording

A

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)

IDC Stuff (67 decks)

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