Maritime Safety: Cleaning Operations

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Who should authorize cleaning operations and keep the bridge informed?

The master and chief officer

What should be consulted when using chemicals during hold cleaning?

Safety data sheets

What is the primary purpose of a risk assessment in poor weather conditions?

To take enclosed space precautions in closed hatches

What type of personnel should be allowed to use high-pressure wash guns?

Only experienced and trained crew Signup and view all the answers

What should be checked before use to ensure safe hold cleaning operations?

All equipment to be checked and confirmed to be in good condition Signup and view all the answers

What is necessary for proper communication during hold cleaning operations?

Proper communications between those in the hold, on deck, and on the bridge Signup and view all the answers

What is the minimum requirement for a hold to be declared unfit to load grain?

Three or more insects, dead or alive, found in one hold, or the presence of larvae or unhatched insect eggs. Signup and view all the answers

What is the purpose of fumigating a hold prior to being accepted?

To remove odours and insects. Signup and view all the answers

What should be done to areas affected by rust and flaking paint before declaring the holds unfit?

Loose rust and paint flakes should be removed using high-pressure air or water cleaning equipment, and then the areas should be cleaned and scraped. Signup and view all the answers

What is the definition of 'Grain Cleaning' in the context of hold cleaning procedures?

Holds must be clean, swept and washed down with fresh water, free from insects, odour, residue of previous cargo, and other contaminants. Signup and view all the answers

What is the difference between 'loose rust scale' and 'oxidation rust' in the context of hold cleaning procedures?

Loose rust scale refers to flaking rust, while oxidation rust refers to light atmospheric rusting. Signup and view all the answers

What should be done if a hold is found to contain unsanitary conditions such as animal filth or sewage?

The holds must be thoroughly checked, and any unsanitary conditions treated appropriately, with any sewage being identified, stored onboard properly, and discharged ashore. Signup and view all the answers

What is the highest level of cleanliness required for certain cargoes, and what are the key requirements for this standard?

Hospital cleaning, which requires 100% intact paint coatings on all surfaces, including the tank top, ladder rungs, and undersides of hatches. Signup and view all the answers

Why is it essential to ensure holds are dry before loading cargo?

Holds must be dry to prevent water from contaminating the cargo, and to prevent the growth of mold and bacteria. Signup and view all the answers

What should be done if water is leaking into the hold?

Steps must be taken to repair the leak and remove any water from the hold, either by mopping or air-drying. Signup and view all the answers

Why is it essential to dry and ventilate the holds after cleaning and washing?

To remove any excess moisture and ensure the holds are ready to receive the intended cargo. Signup and view all the answers

How can odors from paint and cleaning chemicals be removed from the holds?

Hatches can be left open, weather permitting, to allow fresh air to circulate, or ventilation can be used to remove odors. Signup and view all the answers