Confined Space

Question 1

Before persons enter certain dangerous Confined space OSHA standard is:

Answer 1

That a suitable rescue team be available before persons enter

Question 2

What is a Confined space

Answer 2

• not designed for continuous human occupancy
• large enough and so configured that a person can enter and perform work
• has limited means for entry and escape

Question 3

Confined spaces include(examples)

Answer 3

Manholes, sewers, cesspools, storage tanks, silos, holds of ships, elevator shafts, chimneys

Question 4

What is a permit required Confined space

Answer 4

Poses a danger to anyone that enters it

• contains or has potential to.contain hazardous atmosphere
• contains material that could potentially engulf a person
• shaped in a way that a person could be caught or asphyxiated by inwardly tapering walls or floors that slope downwards
• contains any recognized serious health or safety hazard

Question 5

It is true that a permit Confined space is more dangerous than a non-permit confined space

Answer 5

False
a non-permit Confined space can be just as deadly as a permit space it doesn’t have to have a sign to warn you of the dangers

Question 6

Hazards can be divided into how many main categories and which is deadliest

Answer 6

Two main categories
Atmospherics hazards accounting for almost 65% of all confined space deaths
And physical hazards (slippery surfaces, loose ladder)

Question 7

Due to the potential for a life threatening atmosphere all members entering a confined space must be breathing from a scba

Answer 7

True

Question 8

Atmospheres simply not containing enough oxygen account for how many deaths

Answer 8

50%

Question 9

What is the ONLY safe way to detect lack of oxygen

Answer 9

An oxygen meter

Question 10

How to enter confined spaces

Answer 10

Should use fire department ladders

Question 11

Before members enter confined space to perform a rescue that member, by law:

Answer 11

Must be provided with sufficient information training and protection to allow them to conduct rescue in as safe a manner as possible

Question 12

Except in extreme circumstances

Answer 12

Entries by members not specifically trained in confined space rescue should not be attempted

Question 13

All members entering a confined space must be breathing from the scba unless atmosphere is PROVEN non hazardous

Safe atmospheric conditions are

Answer 13

Oxygen concentration between 19.5% and 23.5%
Flammable range is not over 10% LEL
Toxicity not over 35 ppm of carbon monoxide
Toxicity not over 10 ppm of hydrogen sulfide

Question 14

A very stable easily created high point anchor that may be available at the scene is

Answer 14

A tower ladder. If no betterr alternative an aerial ladder

The tower ladder is preferred to its greater weight supporting capacity of 1000 lbs compared to only 250 of an aerial

Question 15

If a tower ladder is being used as a high point ancor all personnel

Answer 15

Must be removed from the turntable and the engine shut off to prevent accident movement.

Tower or aerial ladder.shall never be used to lift a person

Question 16

If a victim is breathing but atmosphere is a threat establishing an airway and using the fast pak on the patient is highest priority

True or false

Answer 16

False. Establishing an airway and placing a facepeice is highest priority but a spare fast pak, other than the pak assigned to the fast unit should be used.

Question 17

All trauma patients and Unconscious patients should be treated as

Answer 17

Having spinal injuries