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Supervisor Study > Legislation > Flashcards

Legislation Flashcards

1
Q

Name the current diving regulations

A

SI2776
1997 Diving at work regulations
ACOPS

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2
Q

Name the diving technique not acceptable in the North Sea

A

SCUBA

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3
Q

What is the bottle colour of industrial grade o2

A

Black bottle / black neck

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4
Q

What is the colour of zero gas?

A

Brown bottle / brown top

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5
Q

BSEN 12021 limits
Co2 / CO / Oil / Water

A

500 ppm
5 ppm
5mg / m3
LP 40 to 200 50mg / m3
HP >200 35mg / m3

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6
Q

Compulsory to have a DDC on site after what depth?

A

All offshore dive sites

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7
Q

Under UK and Norwegian legislation how often must depth gauges need recertification?

A

Every 6 months

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8
Q

Under UK legislation diving plant and equipment should be checked before every dive. What is the maximum amount of time between checks?

A

6 hours

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9
Q

Divers must have gas heating past how deep?

A

150 meters

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10
Q

Maximum permitted 02 % in a chamber is?

A

23%

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11
Q

Maximum depth for in water breathing in Norway is?

A

6.1 msw

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12
Q

When does oxygen theoretically become toxic?

A

2.8 bar PPo2

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13
Q

One stand by diver is required for every how many divers in the water?

A

Two

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14
Q

In Norway DMT qualifications be held by?

A

One diver, other than the one in the water, and the dive supervisor.

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15
Q

Who has the authority to start a dive?

A

The diving supervisor

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16
Q

A diving operation ends when?

A

None of the dive team are likely to need therapeutic recompression.

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17
Q

A diving operation must be broken down into sections able to be supervised by how many people?

A

one person

18
Q

The blackbox recording should be kept for at least?

A

24 hours

19
Q

A tending point is 22m from a thruster. How much umbilical is permitted,

A

17 meters

20
Q

A diver is delayed leaving bottom on your deepest table, what do you do?

A

Decompress on the longest table available and treat him on USN Table 5

21
Q

When connecting a gas supply to the diver you should?

A

Analyse at the quad, then analyse at the panel.

22
Q

The mobile antenna on an Artimis system is where?

A

On the vessel

23
Q

At a 10 minute deco stop your diver is complaining about DCI like symptoms… what should you do?

A

Bring him to surface and treat him on a Table 6

24
Q

If divers umbilical is 75 meters long how long should the stand by umbilical be?

A

77 meters

25
Q

During diving operations from a DP vessel there must be how many reference systems online?

A

3 of which two must be different

26
Q

A DP vessel has a draft of 6m, and the bell deployment point is 18 meters from the nearest thruster. If the bell is at 30 msw, what is the maximum permitted length of divers umbilical?

A

25 meters

27
Q

On the Beaufort scale a gale is what force?

A

Force 8

28
Q

What is the maximum heading change in one step on a DP vessel?

A

15 degrees

29
Q

An imminent gale warning is within

A

6 hours

30
Q

The voltage of hand tools offshore is normally?

A

110 volt

31
Q

When A tautwire is used in shallow water the footprint is….

A

Decreased

32
Q

Describe a zone one area

A

An explosive air and gas mixture unlikely to occur in normal conditions

33
Q

In air diving operations you must have how much o2 held in reserve?

A

90 m3

34
Q

A yellow light on the DP alarm is when the thrusters are over how many % of their capacity?

A

80%

35
Q

Under normal operating conditions the pressure for water jetting is what pressure?

A

4000 - 8000

36
Q

What is the maximum duration for a diver during two man bell runs?

A

4 hours

37
Q

How many types of reference system is available for a DP system?

A

4

38
Q

A DSV said to have full redundancy is what class?

A

Class 2

39
Q

What is the recommended PPo2 of a bailout?

A

1.4

40
Q

Plant and equipment (other than cylinders and pressure vessels) must be tested every?

A

6 months

Supervisor Study (7 decks)

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