ABE Task 5.1.A

Trace out a piping system

MMA Method

In order to satisfy NVIC 18-14 Task 5.1.A , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Contribute to the operation of equipment and machinery

ABE-A8.1 Safe operation of equipment, including:

.1 valves and pumps

Condition Behavior Standard

On a vessel or in a laboratory or workshop, given a piping system,

the candidate demonstrates the ability to trace the system, identify & operate valves, and operate liquid-level measuring devices.


The candidate traces out a piping system specified by the assessor and demonstrates or describes:

  1. Purpose of the system traced
  2. Location of the valves to be used to normally start and/or shutdown the system
  3. Location of the valves to be used in the event of an emergency shutdown of the system, including emergency shutdown devices
  4. Manual operation of each type of valve in that system, both locally and remotely operated
  5. Manual operation of any in-tank measuring devices
  6. Probable location of any leakage, what form that leakage may take, onboard notification procedures, and what precautions should be followed
  7. Any topping off procedures that are followed
  8. Any stripping procedures that are followed; and
  9. Protection of bilge and ballast suctions during normal operations and other configurations where the bilge and ballast suctions and wells may become contaminated.