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4.5. Freshwater and black water tanks
4.5.1. Characteristics
REP Designation REP Designation
1
Aft port tank breather
8
Fwd port black water rigid sump tank 85 l
2
Aft port tank filler
9
Fwd std tank 136 l
3
Aft port tank 200 l
10
Fwd std tank filler
4
Aft port black water rigid sump tank 85 l
11
Fwd std tank breather
5
Port saloon tank breather
12
Std saloon tank 100 l
6
Port saloon tank filler
13
Std saloon tank filler
7
Port saloon tank 100 l
14
Std saloon tank breather
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These capacities cannot be totally used depending on the trim, loading and the position of filling
point(s) and / or eventual emptying point(s).
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Do not discharge the toilets close to shore.
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Inform yourself about local environmental protection regulations, and the respect of codes of good
practice.
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Respect international regulations against pollution of the marine environment (Marpol).
4.5.2. Operating the black water holding system
The operating principle for the system is described in the attached schematic diagram.
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After each use, rinse the system: fill the bowl with fresh or sea water then empty.
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Products to use for cleaning should be domestic cleaning products.
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The system should be empty during immobilisation of the ship in negative temperatures.
For the respect of the environment:
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Do not discharge the contents of the holding tanks close to the shore; use the pumping systems of ports or
marinas for emptying the holding tanks before leaving port.
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Make sure that the holding tank discharge cock is closed in order to avoid any inadvertent discharging.