Water – Fresh, Salt & Grey

The water systems on the boat were in very poor condition. Pumps failed, pipes leaked, tanks overflowed or leaked, valves stuck or were completely broken, wiring was faulty and electric motors unreliable. When purchased one of the fuel tanks was being used as the only fresh water storage tank. There was a significant amount of rust and sludge in the water when the boat was at sea. Pipes, sinks and toilets were all badly stained.

Rust in the bottom of tank No 1 which was being used for fresh water.
Rust in the bottom of tank No 1 which was being used for fresh water.

Fresh Water:
Two new 450 litre stainless steel tanks were purpose constructed and installed in the rudder flat.

New starboard side 450lt SS fresh water tank
New starboard side 450lt SS fresh water tank

The tanks are interconnected and are fed from the engine room with either water from the water maker or from water from the shore. Both tanks overflow out board through a drain on the stern.

New port side 450lt SS fresh water tank
New port side 450lt SS fresh water tank

Leaving the tanks the water is fine filtered and distributed throughout the vessel via a high volume pressure pump located in the engine room. The pump system is duplicated in case of failure.

 

 

The water maker was completely refurbished by the manufacturer’s agents and operates seamlessly.
The water maker draws water from a dedicated salt water outlet on the main salt water manifold and is fed by a small centrifugal feed pump. A spare feed pump is carried.
Sensors in the water tanks activate the water maker and water levels in the tanks are transmitted to the wheel house.

New water pump installation
New water pump installation

Hot Water:
Three domestic 240V hot water cylinders were replaced with two instant gas hot water systems. One provides water to the galley, cabin 1 and guest bathroom.

New instant gas hot water heater No 1
New instant gas hot water heater No 1

The second provides water to cabins 2 – 6 and the focsal. Gas is supplied from the cylinder storage locker forward of the wheel house.

Salt Water:
Salt water is pumped to all toilets and deck hoses via a high pressure salt water pump. This pump draws water from a shared salt water outlet on the main salt water manifold.

New salt water manifold and strainer system
New salt water manifold and strainer system

Grey Water:
The grey water system on the vessel has been completely redesigned and reconstructed.
1. Toilet and shower water from cabins 2 and 6 go directly to a 250 litre storage tank currently    located under the shower in cabin 6. This tank is currently emptied overboard via a manual pump in the focsal.

Starboard side grey water tank No 2
Starboard side grey water tank No 2

2. Toilet and shower water from cabins 3, 4 & 5 flow to a sealed holding tank in the engine room from where it is automatically pumped to a 500 litre holding tank (Tank 1) also located in the engine room.
3. Toilet and shower water from cabin 1 and main deck guest bathroom flow directly into a 500 litre holding tank (Tank 2) also located in the engine room.

Part of the new grey water and manual bilge pump manifold
Part of the new grey water and manual bilge pump manifold

4. Both tank 1 & Tank 2 can be emptied to a 1,600 litre double layered flexible bladder storage tank mounted in the aft port side bathroom. This bathroom was specifically converted to hold the bladder tank. The tank  was specifically designed so that it was supported by a significant steel frame fixed to the roof and walls of the bathroom. The room was filled with polystyrene with the bladder supported from the bottom and on all sides to minimise movement.
5. A new grey water distribution manifold was designed and built to allow contents to be pumped from any tank to any tank as well as overboard. As well the main bladder storage tank has access to enable it to be pumped out by a shore based pumping system if required.

New grey water transfer holding tank with built in pumping system
New grey water transfer holding tank with built in pumping system

The grey water pump and motor are duplicated in case of failure.

Further work will see the forward grey water tank connected to the main system so it too can be emptied to storage or to the shore. Sink water from the galley currently flows over board but can be diverted to storage when in sensitive areas.

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