[Public-List] Waste Holding tank question from Chris Widing

[Mike Lehman]

Chris

What you are describing is the old Mansfield TDX  version of a sewage 
treatment system that was a group purchase back in 1983. It was a 7 gal 
holding tank with a treatment system that used formaldehyde and a built-in 
macerator in the bottom of the tank to mix the sewage cocktail prior to 
discharge. Does that sound like the system you have? It is probably still 
legal, but the system probably does not work anymore. They failed after 
about 5 years. We (the Association bought 100 of these systems for $445 
each, $700 list price). Seemed like a good idea at the time, but turned out 
to a maintenance nightmare. Everyone I know (me included) has removed the 
Mansfield system and replaced it with a standard holding tank with a deck 
pump out. George Dinwiddie did a good job of documenting this on the Alberg 
30 website. http://alberg30.org/maintenance/Head/RaritanNewer/. He used a 
combination of rigid PVC and flexible PVC hose. Recently introduced by 
Raritan is a new type of waste hose called saniflex, I saw it at the boat 
show in Annapolis - I bends to a 5" radius and is supposedly 15 times more 
odor resistant that flexible PVC. I plan to order some of this hose soon, it 
costs $10.50 per foot, but I can get a discount if I buy a whole roll (50 
feet)...That's a lot of crap hose...if anyone is interested in buying some 
hose let me know. Here is info on the hose 
http://www.raritaneng.com/pdf_files/Installation%20_aids/saniflex.pdf.


-----Original Message----- 
From: chris widing
Sent: Wednesday, November 09, 2011 11:18 AM
To: Alberg 30 Public List -- open to all
Subject: Re: [Public-List] Rachel - Hull thickness question

HI Sorry to highjack the tread. I just got a Alberg 30 #450 it needs alot of
work and I have alot of learning to do about it. Was wondering about the
tank you are ordering it is a holding tank ? Mine has one on the port side
under the v berth.Looks like a complicated pump out and treatment system is
it still leagal?  Lots of other ? that will follow. Thanks in advance chris
----- Original Message ----- 
From: <crufone at comcast.net>
To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
Sent: Wednesday, November 09, 2011 9:36 AM
Subject: Re: [Public-List] Rachel - Hull thickness question


>
>
> Richard,
>
> You could also try wooden blocking to shore the bracket against the outer 
> hull. It would be better to screw something into the new backet temporarly 
> rather than the hull.
>
> My two cents. BTW I guess the tank from Geroge worked out? Just placed the 
> group order for tanks yesterday, so you are about a month ahead of us.
>
> Michael #133
>
>
>
> ----- Original Message -----
>
>
> From: "Richard Hughes" <rjhughes at shaw.ca>
> To: "Alberg 30 Public List -- open to all" 
> <public-list at lists.alberg30.org>
> Sent: Tuesday, November 8, 2011 11:17:14 PM
> Subject: [Public-List] Rachel - Hull thickness question
>
> Installing a saddle tank in the stb locker to replace the tank under the
> cockpit sole.
> I have the tank, courtesy of another member of this site, but now need to
> install a "bracket" to secure it with, which I have fashioned out of epoxy
> coated wood. Now need to gently screw that bracket into the hull wall/side
> while west system sets up, then fibreglass over all.
>
> So, that's my tale, but running out of heat for fibregalss work!
>
> -----Original Message----- 
> From: Rachel
> Sent: Tuesday, November 08, 2011 7:50 PM
> To: Alberg 30 Public List -- open to all
> Subject: Re: [Public-List] Hull thickness question
>
> I can't speak to that exact spot, but I removed/replaced or filled all the
> below-the-waterline seacocks on the whole boat and the hull was around 
> 3/8"
> thick (and pretty uniform for all of them (#221).
>
> I'm trying to remember if I drilled or looked at any holes above the
> waterline... I don't think so, but if I remember any I will reply again.
>
> I'll admit that I'm curious why you are asking :) (But my mind just works
> that way - not that I'm challenging you or anything like that!)
>
> Rachel
> ex=#221
>
> On Nov 8, 2011, at 7:06 PM, Richard Hughes wrote:
>
>> Anyone know the thickness of the hull above the waterline, centre of stb
>> cockpit locker?
>> Installing new fuel tank.
>> Thanks Rick # 438
>
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