sewage/faecis tank

Summary:

installation of a holding tank for waste water

sewage/faecis tank

Ralf Beuting 23 May 2017 10:41

Dear All,
very recently I bought a GD28 that I will sail mainly on a lake (Wannsse/Berlin/Germany).
Waste water obviously is not welcome in the lake therefore I am looking for a solution to nevertheless be able to use the toilet. The boat I have still has the original (or nearly original) toilet layout, flushing everything outboards. Does anybody have experience with fitting a tank somewhere? I imagine this being nicer than a chem-toilet? Thanks for anything! Ralf
PS: as soon as we figured out a new boat name and have the register number and so on I'll post our whereabouts…

Re: sewage/faecis tank

shearwater 23 May 2017 16:18

Hello, Ralf

here in the states, holding tanks are required. On the great lakes, it is forbidden to have the capability to pump overboard. as i still have my blue water registration, i'm able to have that capacity if it is sealed shut.

I have a two position Y valve, which either pumps overboard (forbidden) or into a plastic holding tank under the Vee berth. this is emptied via a deck fitting labeled "waste." I assumed, since all my matching deck fittings are in English and German, that they were original to the boat. the waste is vacuumed out at a pump-out station, free of charge in all the harbors I know of. don't forget the vent line to release foul gasses topsides!

this is a page from a US distributor. i have a rigid tank; i have crewed on boats with flexible tanks, where the solids are "massaged" and helped out of the tank during pumpout.

(apparently i can't post a link. defender.com, plumbing, water/waste holding tanks and fittings)

hope this helps. the plumbing of the hoses is the hardest part, since our head compartments are so small.
tom