RFPEW Task 3.1.A

Maintain main boiler water level and steam pressures

MMA Method

In order to satisfy NVIC 07-14 Task 3.1.A , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

For keeping a safe boiler watch: Maintain the correct water levels and steam pressures

RFPEW-A2.1 Safe operation of boilers
Condition Behavior Standard

On a steam vessel, on a simulator, or in a laboratory,

the candidate, in manual mode, maintains main boiler water level and steam pressures.


Note 1 Not performing this task will limit the candidate’s endorsement to motor and/or gas-turbine propelled vessels only.

This task is not required for steam propulsion and no limitation will be placed on the steam vessel endorsement if this task is not completed.

The candidate:

  1. Maintains the water level of the boiler within +/- 2 inches of the specified level using appropriate manual control technology available;
  2. Maintains the steam pressure of the boiler within +/- 5% of the specified pressure using appropriate manual control technology available; and
  3. Takes proper action to prevent safety and pollution violations.