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SNDL/ASRA/FADSIII > SNDL > Flashcards

SNDL Flashcards

1
Q

What is the breathing rate for the O2 BIBS?

A

.3 acfm

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2
Q

What is the minimum Manning for personnel on the SNDL and what are their positions?

A

3

  1. Outside Tender
  2. Inside Tender
  3. Sup
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3
Q

What should you expect, as a chamber operator, to happen in the event of a fire?

A

Chamber pressure will increase

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4
Q

Secondary air is supplied to the SNDL from which ASRA bank(s)?

A

Bank 3

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5
Q

What type of gas monitoring does the SNDL have?

A

02/CO2 Analyzers

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6
Q

Mixed Gas BIBS are located on the I.L. and O.L., true or false?

A

False, only in the I.L.

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7
Q

What is the max certified operating pressure of the chamber? And what is the depth?

A

Depth - 225’

Pressure - 100 psi

  • depth x .445 gives you the pressure
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8
Q

Secondary air is supplied through which ASRA port?

A

Port C

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9
Q

Primary air is supplied to the SNDL from which ASRA bank(s)?

A

Banks 1 and 2

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10
Q

What is the the flow rate set for the CO2 and O2 analyzers?

A

0.5 liters per minute

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11
Q

What category configuration is the SNDL at Everett In?

A

Category “D” Configuration
(BIBS over board dump, CO2 scrubber, Air BIBS, O2 and CO2 Monitors)

*dive manual chapter 18, 18-3

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12
Q

Are you authorized to jam the ASRA during chamber operations?

A

Yes, OP-5 says Bank 1 can be charged while Bank 2 is in use and vise versa. * Bank 3 shall not be charged during diving operations.

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13
Q

What are the gas colors?

A 
Black - Air
Green - O2 
Silver - Exhaust 
Buff - Helium 
Light Grey/ Green - Nitrox 
Buff/Green - Heliox
Nitrogen - Light Grey
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14
Q

Explain the purpose of the air BIBS?

A

To provide clean air to the patient and the tender in the event of a bad chamber atmosphere

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15
Q

Min and Max O2% range allowed in the chamber?

A

19-25% O2

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16
Q

What are the minimum air requirements for primary?

A

Enough to press the I.L. once and the O.L. twice to 165 fsw

*chamber is in category D configuration

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17
Q

What is the O2 regulator set to?

A

75 - 100 psi

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18
Q

What types of comms are used?

A
  1. Powered Microphone
  2. Sound Powered Phone
  3. Mallet
19
Q

What systems does the UPS system supply power to?

A
  • Comms
  • Chamber Lights
  • CO2 Scrubber
  • ECS
  • One overhead console light
20
Q

What is the floodable volume of the SNDL O2 T-Cylinder?

A

1.7 cubic ft

21
Q

What type of compressor can you use to jam the ASRA?

A

O26 BAUER (electric or diesel)

22
Q

What is the floodable volume is the inner and outer lock?

A

I.L. - 123 scf
O.L. - 69 scf
Combined - 192 scf

23
Q

As per O&M manual, how long does the UPS last?

A

Approximately 2 hours

24
Q

What is the minimum pressure allowed in O2 tanks?

A

100 psig

25
Q

What are the 8 EP’s for the SNDL?

A
  1. Loss of Primary Air
  2. Fire
  3. Loss of Electrical Power
  4. Rapid Increase in Pressure
  5. Rapid Decrease in Pressure
  6. Contaminated ATA
  7. Loss of O2
  8. Loss of Mix Gas
26
Q

List the 8 reliefs for the SNDL and their settings?

A
  1. Primary Air Reducing Station (300 psi)
  2. Secondary Air Reducing Station (300 psi)
  3. Primary Air Console (300 psi)
  4. Secondary Air Console (300 psi)
  5. Primary O2 Console (200 psi)
  6. Secondary O2 Console (200 psi)
  7. Mix Gas Console (200 psi)
  8. Chamber Hull Relief (110 psi)
27
Q

What is the gas mixture (50/50) lined up to the SNDL?

A

Nitrox

28
Q

What are the minimum air requirements for secondary air?

A

Enough to press the I.L. and O.L. once to 165 fsw and enough air for one tender and two patients (when not on O2) to breathe air BIBS during a TT6A with max extensions

*chamber is in category D configuration

29
Q

What is the air regulator set to?

A

250 psi

30
Q

How many BIBS are in the inner-lock and outer-lock?

A

I.L. - 4

O.L. - 3

31
Q

What depth is the SNDL certified to?

A

165 fsw

32
Q

What are the 3 chamber levels?

A
  • Level 1: 5 min
  • Level 2: 1 hr
  • Level 3: 6 hrs
33
Q

When is the SNDL required to be pressure tested?

A
  • initial certification
  • every 2 years
  • overhaul
34
Q

Max CO2 allowed in chamber?

A

1.5 SEV

35
Q

The chamber fire extinguisher is pressurized to what psi of air and how many gallons of water?

A
  • 2 and 1/2 gallons of water

- 200 psi

36
Q

What is the decent rate for Treatment Tables?

A

All TT’s except TT8 - 20 fpm

TT8 - as fast as tolerable up to 100fpm

37
Q

Primary air is supplied through which ASRA port?

A

Port A and Port B

38
Q

Can you use expired CO2 absorbent in the SNDL?

A

Yes, because the scrubber canister is removed and double bagged until in use.

39
Q

The acrylic view ports should be replaced after how many years of use?

A

10 years

40
Q

The SNDL can accept primary input electrical power shore, ship, or generator in which different voltages?

A

440V or 208V/220V

41
Q

What are the five purposes of a chamber?

A
  1. Treating diving related injuries
  2. Pressure test (60’ @ 75 fpm for :10)
  3. Sur D Dives
  4. O2 non-dive treatment
  5. Training
42
Q

What is the max depth a patient can breathe O2?

A

60’

43
Q

What are the ventilation rates for air and oxygen bibs overboard dump?

A 
Air - 2 acfm (diver at rest)
        4 acfm (diver not at rest)
O2 - 12.5 acfm (diver at rest) 
         25 acfm (diver not at rest)

SNDL/ASRA/FADSIII (5 decks)

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