Additional IMCA/DMAC/IOGP/HSE/ACOP

Question 1

IOGP 411

Answer 1

Diving recommended practice Jan 2021

Question 2

IOGP 431

Answer 2

Diving worksite reps roles and responsibilities and training

Question 3

IOGP 468

Answer 3

Diving system assurance RP

Question 4

IOGP 471

Answer 4

Oxy arc underwater cutting RP

Question 5

DMAC 03

Answer 5

Accidents with HP Water jets

Question 6

DMAC 04

Answer 6

oxygen content open circuit bailout bottles for Heliox sat diving

Question 7

DMAC 06

Answer 7

Effects of sonar on commercial diving activities

Question 8

DMAC 33

Answer 8

Return to diving after COVID 19

Question 9

IMCA 066

Answer 9

Guidance on surface swimmers

Question 10

IMCA 067

Answer 10

Effects of underwater currents on diver’s performance and safety.

Question 11

IMCA D 004

Answer 11

Initial and periodic E,T, and cert of HYPERBARIC EVAC launch systems

Question 12

IMCA D 008

Answer 12

Testing of through water comms

Question 13

IMCA D027

Answer 13

Marking of hyperbaric rescue systems that float.
3 markings visible

Question 14

IMCA 33

Answer 14

Limitations in use of scuba offshore

Question 15

IMCA D068

Answer 15

Diving umbilical management

Question 16

IMCA D046

Answer 16

Comms between DC & bridge.
Primary (hardwired and dedicated), and secondary, both continuously available, one requiring no external
power supply.

Question 17

IMCA D018 categories of competent person.

Answer 17

Cat1: DIVE SUP OR LSS
Cat2: Tech
Cat3: classification society or insurance surveyor
Cat4: manufacturer/supplier of equipment

Question 18

PVHO TESTING D018

Answer 18

Visual 6 months

Visual int/external gas leak test full pressure 2.5yrs

Internal overpressure 5 yrs

Question 19

IMCA D044

Answer 19

G/L isolation and intervention

Question 20

IMCA D043

Answer 20

Markings and colour code for gas cylinders and quads

Question 21

Cylinders that go underwater test

Answer 21

6monthly ext/internal
2yrs ext/internal + possible hydraulic over pressure test, if necessary.
4 yrs HYD O.P test 1.5MWP

Question 22

Cylinders that don’t go underwater test:

Answer 22

6month external visual
2.5 yr ext visual and gas leak MWP
5 yrs int/ext gas leak test MWP, possible HYD O.P test.

Question 23

IMCA D012

Answer 23

STAINLESS STEEL IN OXYGEN SYSTEMS

Question 24

BSEN 12021 British/Euro standard

Answer 24

CO 5ppm
Co2 500ppm
Oil 0.5mg/m3
Water 25mg/m3 (compressors used for charging over 200bar)
Water 35mg/m3 greater than 200bar
Water 50mg/m3 40-200bar

SEE ALSO HSE DIVING SHEET 9, different composition standards.

Question 25

IMCA AND BSEN 12021 COMPRESSOR GAS PURITY TEST EVERY?

Answer 25

Imca 6 months BSEN 3 months

Question 26

IMCA D 050 minimum air/gas

Answer 26

Standby diver air for 2 x 30 minute dives to full intended diving depth at 40 LPM SUFACE DECO GAS both locks of DDC to maximum treatment depth, plus sufficient air for 3 complete surface deco cycles 90m3/ 3200ft3 breathing quality oxygen at each DDC

Question 27

HSE DIVI #5 is?

Answer 27

Exposure limits for air diving operations.

Question 28

OGP 411 does not reference exposure limits for air diving ops? TRUE OR FALSE?

Answer 28

False

Question 29

AODC 055

Answer 29

Protection of water intake points for diver safety.

Question 30

IMCA S&L 001

Answer 30

Management of change

Question 31

ACOP 68

Answer 31

Hyperbaric rescue

Question 32

IMCA D 047

Answer 32

Acrylic plastic viewports

Question 33

Diving at work regs 1997 si and number

Answer 33

SI 1997/ no: 2776

Question 34

How many ACOPS for uk commercial diving?

Answer 34

5 L103 offshore L104 inshore

Question 35

How many hours off per 24 and ACOP paragraph?

Answer 35

12hrs para 97

Question 36

ACOP gives examples of hazard and risk in which paragraphs?

Answer 36

42-88

Question 37

Who has responsibility to commence a dive and where in ACOP?

Answer 37

Dive sup, ACOP 10,170

Question 38

HYPERBARIC LIFEBOATS MINIMUM LIFE SUPPORT CAPACITY AND WHERE IN ACOP?

Answer 38

72hrs ACOP 6,8 Paragraph 68

Question 39

IMCA D 074

Answer 39

Protecting divers during underwater excavations Slope to dept ratio for excavations is 1:3m