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RightShip Guide

THE DEEPDRAFT · RIGHTSHIP PREPARATION

Accommodation heating

RISQ 16.9Section 16 · Ice or Polar Water OperationsSource marking: V

Applicability: Complete this section only where the vessel has an ice-class notation, is navigating or intends to navigate in ice, or holds a polar water certificate. Retain each question’s additional conditions.

What is being checked

Heating and ventilation maintain habitable accommodation.

Ready on board

0 / 6 checked

Prepare the ship-specific evidence against RISQ 3.2. Use the approved vessel procedures and equipment instructions for operation and maintenance.

Check main heating provision across sleeping, mess, day/recreation, office/study, sanitary and hospital spaces.Have evidence against the source’s ventilation figure of at least 25 cubic metres of fresh air per hour per designed occupant.Have evidence against the source’s heating benchmark of maintaining 21°C indoors with ambient air at -1°C.Check steam, hot-water, electric or warm-air heating arrangements, with local tool-free adjustment wherever reasonably practicable.Check heating is not affected by use or non-use of propulsion, steering, deck machinery, calorifiers or cooking appliances.Check construction, installation and shielding avoid fire risk, danger and discomfort.

Practice questions

Preparation prompts derived from this entry, not an official inspector interview script.

1Are these figures an instruction to conduct an improvised cold-weather test?

No. Prepare the vessel’s design, operating and maintenance evidence against the figures stated in the questionnaire.

Where a finding may arise

Missing evidence, defects or gaps in familiarity against these checks may prevent a satisfactory answer. These are derived preparation concerns, not additional explicit finding criteria or reported past observations.

Past observations for practice

Anonymised reports, manually reviewed before publication. These are reported experiences, not additional inspection requirements.

No reviewed observations have been added for this entry.

Share an observation for private review

Remove vessel, company and inspector names, report numbers, exact dates and confidential information. Do not paste a complete inspection report.

Source clarification

The numerical benchmarks are reproduced as RISQ 3.2 source criteria, not asserted as a complete statement of current accommodation law.

References and source status

RightShip Inspection Ship Questionnaire, November 2025, version 3.2. Section 16, page 225, reference 16.9.

The explanation, checklist and practice answer derive from the supplied questionnaire. Reported observations are separately contributed and manually reviewed; they are not official RISQ guidance.

Independent DeepDraft preparation guide, based on the supplied RISQ 3.2 questionnaire. Not an official RightShip product or inspection report.