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2016 Master > Confined space 16 > Flashcards

Confined space 16 Flashcards

1
Q

OSHA Standard for Permit-Required Confined Spaces

A

1910.146

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2
Q

OSHA Telecommunications Standard- Underground Lines

A

1910.268 Section (O)

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3
Q

OSHA Standard to allow technicians to enter a jointly occupied manhole while working alone

A

1910.268 Section O(3)

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4
Q

Attendant must be currently certified in

A

CPR and First Aid

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5
Q

Acceptable oxygen levels are from

A

19.5% to 22.5%

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6
Q

(LEL/LFL)

A

Lower Explosive Limit, Lower flammable limit

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7
Q

Hydrogen Sulfide must be lower than _____ PPM and Carbon Monoxide must be lower than ____PPM.

A

10 and 33

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8
Q

Ladders shall be used to enter and exit manholes exceeding 4 feet in depth.

A

OSHA 1910.268 (O)(4)

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9
Q

A mechanical rescue device must be available to rescue personnel in vertical type spaces more than

A

5 ft deep

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10
Q

All rescue personnel must practice making permit space rescues at least once every

A

12 months

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11
Q

Carbon monoxide may be fatal at ____ parts-per-million (ppm) in air, and is considered dangerous at ____ ppm

A

1000 and 200

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12
Q

There are three technician roles associated with confined space operations:

A

Entrant, Attendant, and Supervisor

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13
Q

The surrounding and effective capture of a person by a liquid or substance, possibly causing death by filling or plugging of the respiratory system or creating enough force on the body to cause death by strangulation, constriction or crushing

A

Engulfing

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14
Q

A condition resulting in death or unconsciousness caused by inadequate oxygen, presence of noxious agents, or other obstruction to normal breathing

A

Asphyxiation

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15
Q

The Comcast maximum oxygen level is ______%.

A

22.5%

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16
Q

How long are entry permits required to be kept on file?

A

at least one year

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17
Q

The standby attendant will continue to monitor atmosphere levels and record every ______ minutes.

A

20

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18
Q

Prevent any objects or personnel from falling into a manhole.

A

Manhole Shield

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19
Q

Effects similar to frost bite due to prolonged exposure to water and cold on the skin combined with a lack of blood flow due to the cold

A

Trench Foot

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20
Q

OSHA standard for ladders to be used to enter and exit manholes exceeding 4 feet in depth.

A

(OSHA 1910.268 (o)(4)

21
Q

A mechanical rescue device must be available to rescue personnel in vertical type spaces more than___

A

5ft deep

22
Q

All rescue personnel must practice making permit space rescues at least

A

Once every 12 months

23
Q

NIOSH

A

National Institute for Occupational Safety and Health

24
Q

% of fatalities were would be rescuers

A

67%

25
Q

% of fatalities were supervisor or above

A

35%

26
Q

OSHA

A

Occupational Safety and Health Administration

27
Q

Confined Space Qualification is made up of what 2 parts?

A

Written Exam and Field demonstration

28
Q

When is confined space recertification required?

A

Every 3 years, after a safety violation, or as required by your system or division.

29
Q

The entrant and attendant must have current…

A

CPR and first aid certifications

30
Q

A confined space is one that…

A

1) Is large enough and so configured that an employee can bodily enter and perform assigned work.
2) Has limited or restricted means for entry or exit.
3) Is not designed for continuous employee occupancy

31
Q

confined spaces are classified as follows

A

non-permit confined spaces,

permit required confined spaces

32
Q

Permits and Specific training are required if the confined space:

A

1) Contains, or has the potential to contain, a hazardous atmosphere.
2) Contains a material that has the potential for engulfing the worker
3) has an internal configuration such that a worker could be trapped or asphyxiated by inwardly converging walls or by a floor that slopes downward and tapers to a smaller cross section.
4) Contains any other recognized serious safety or health hazards.

33
Q

The 2 OSHA standards that you should be familiar with when working in confined spaces are:

A
  1. 146-Permit Required Confined Spaces

1910. 268-Telecommunications-Section (o)- Underground Lines

34
Q

Requirements of OSHA standard 1910.146 include:

A

1) Identification of confined spaces.
2) Informing employees of the confined spaces existence.
3) Entry permits.
4) a written permit confined space program
5) Training for individuals with active roles in confined space work, including: authorized entrant,attendants, entry supervisor,Rescue and emergency services personnel

35
Q

Permit required confined spaces for general industry became effective on …

A

April 15, 1993

36
Q

OSHA Telecommunications Standard 1910.268 Section(o) gives specific direction in the following areas:

A

1) Guarding Manholes and street openings
2) Requirements prior to entering manholes and unvented vaults.
3) Joint power and Telecommunications Manholes.

37
Q

As you read in the OSHA 146 Standard, Permit Controlled confined spaces, you will note that per part (g), this training is required for all employees work duties could involve working in confined spaces. Training is required in any of the following situations:

A

1) Before a technician is assigned to a confined space operation
2) whenever a change is made in the operation in which the employee has not been previously trained.
3) whenever there are deviations from the permit-required confined space procedure.
4) Before there is a change of duties

38
Q

3 technician roles associated with confined spaces

A

1) Entrant
2) Attendant
3) Supervisor

39
Q

Entrant general responsibilities include:

A

1) currently certified in CPR and First Aid
2) Understand the hazards you may face during entry of a permit space including how exposure occurs,as well as signs, symptoms, and consequences of exposure.
3) Properly use required equipment
4) Equipment is on site and properly inspected.

40
Q

Entrant communication responsibilities include:

A

1) Stay in contact with the attendant so that they can monitor your status and alert you if you need to vacate the permit space.
2) Alert the attendant whenever you recognize a warning sign or symptom of exposure to a dangerous situation. And a prohibited condition.

41
Q

Exit the permit space as quickly as possible whenever:

A

1) an order to evacuate is given by the attendant or the entry supervisor.
2) you recognize any warning sign or symptom of exposure to a dangerous situation.
3) You detect a prohibited situation.
4) An evacuation alarm is activated.

42
Q

attendant general responsibilities include:

A

1) Be currently certified in CPR and First Aid
2) Understand the hazards that may be faced during entry of a permit space, including how exposure occurs and the signs, symptoms and consequences of exposure.
3) be aware of possible behavior effects of hazard exposure of authorized entrants.
4) Remain outside the permit space during entry operations until relieved by another attendant.
5) Perform no duties that might interfere with the attendant’s primary duty to monitor and protect authorized entrants.

43
Q

attendant communication responsibilities include:

A

communicate with authorized entrants as necessary to monitor their status and alert them of the need to evacuate the permit space.

44
Q

Access control means to:

A

1) continuously maintain an accurate count of authorized entrants in the permit space and ensure that the means used to identify authorized entrants accurately identifies who is in the permit space.
2) Take the following actions when unauthorized persons approach or enter a permit space while entry is underway.
a) warn the unauthorized person that they must stay away from the permit space.
b) advise the unauthorized persons that they must exit immediately if they have entered the work area surrounding the permit space.
c) inform the authorized entrants and the entry supervisor if unauthorized persons have entered the work area surrounding the permit space.

45
Q

The attendant must the work zone access

A

control

46
Q

The attendant orders evacuation immediately if:

A

1) detects a hazardous condition
2) detects a behavioral effect if hazard exposure in an authorized entrant.
3) detects a situation outside the space that could endanger the authorized entrants.
4) If the attendant cannot effectively and safely perform all the duties required of an attendant.

47
Q

Who will summon rescue and other emergency personnel as soon as they determine that authorized entrants may need assistance to escape from permit space hazards?

A

The attendant

48
Q

The attendant will perform non entry rescues as specified by….

A

your system’s rescue procedure.

2016 Master (109 decks)

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