376 Cylinder Procedure

Question 1

What are the 3 ways gases are stored in cylinders?

Answer 1

1-LPG liquified gas
2-Compressed gas
3-Dissolved in a solvent (Acetylene)

Question 2

What are the 4 main methods of cylinder construction?

Answer 2

1-Welded construction (2 welded steel halves)
2-Drawn steel (single steel skin)
3-Aluminium
4-Composite

Question 3

What is the BCGA?

Answer 3

British Compressed Gas Association

Question 4

Who are mobilised to all confirmed cylinder incidents?

Answer 4

A HMEPO

Question 5

At what temperature do Steel and Aluminium cylinders generally fail?

Answer 5

Aluminium -200-250c

Steel - 300c

Question 6

What technique can aid gas dispersal around a failed cylinder?

Answer 6

Application of a fine spray.

Question 7

How should unidentifiable cylinders be treated?

Answer 7

As acetylene.

Question 8

What initial cordon/hazard zone should be established when a cylinder has been directly involved in a fire?

Answer 8

Initial zone of 200m with reduction of substantial cover is available.

Question 9

When a cylinder fails how far can it be propelled?

Answer 9

Initial fireball of 25m cylinder body propelled up to 200m

Question 10

When should a failed composite cylinder be cooled?

Answer 10

After all gas has been burnt off.

Question 11

What four things must be confirmed before the cylinder hazard zone can be reduced/removed?

Answer 11

1-Fire is extinguished
2-Cylinders are definitely NOT acetylene
3-All cylinders accounted for
4-All involves cylinders are receiving direct cooling

Question 12

What level of PPE must crews wear when working within 25m of a cylinder?

Answer 12

Full firefighter PPE, BA including flash hood and gloves

Question 13

What are the 3 main signs that a cylinder has not been involved in A fire?

Answer 13

• Paperlabelsandplasticringsareintact.
• Thepaintworkhasnotbeenblackenedorblistered.
• Thesupplyhosepipesareundamaged

Question 14

What number is the acetylene handover form?

Answer 14

Form 6104

Question 15

What is CAP?

Answer 15

Cylinder assessment process

Question 16

Difference between acetylene/unidentifiable and normal cylinders involved in fire?

Answer 16

Normal-cooled to ambient temperature, monitored wit TIC

Acetylene-cooled for 1hour, monitored with CAPtake temp with tic
Observe for 15 minutes with water off,
Momentary spray to observe conditions?
Resume cap process. If cylinder fails at any point, resume 1 hours cooling

Question 17

Which aide memoir carries cylinder procedure information and where can it be found.

Answer 17

Aide memoir 6 in the BA board