[Public-list] RE: Head Holding tank
Roger L. Kingsland
rkingsland101 at ksba.com
Tue Sep 7 08:09:34 PDT 2004
Thanks George, just what I need.
Back to square one (again).
Roger
----- Original Message -----
From: "George Dinwiddie" <gdinwiddie at alberg30.org>
To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
Sent: Tuesday, September 07, 2004 11:02 AM
Subject: Re: [Public-list] RE: Head Holding tank
> Roger,
>
> I advise reading Peggie Hall's "Marine Sanitation Fact vs. Folklore"
> (http://www.overboardboating.com/maintenance/tipsmsds.asp among other
> places). An excerpt:
>
> Although you'll see aluminum and stainless holding tanks, no metal
> of any kind should ever used to hold sewage. Urine is the most
> corrosive material it's possible to put next to any metal. If you
> doubt me, gentlemen (ladies will have to take your word for it),
> notice the dividers between urinal stalls in men's rooms. If that
> facility has been open for more than a week, no matter how clean
> and well-maintained it is, even though the dividers are stainless
> steel coated with enamel you'll see rust stains from the bolts
> that attach the dividers to the tile. While the walls of a metal
> holding tank may last a decade or more, the welds will typically
> begin to leak at a seam or a fitting in two to five years,
> and the tank will have to come out for repair or replacement.
>
> - George
>
> On Tue, Sep 07, 2004 at 10:35:59AM -0400, Roger L. Kingsland wrote:
> > Mike,
> >
> > Could you direct me to some of the info you cite. I checked with both
my NA
> > and a tank manufacturer I found on the web and they said aluminum was
not a
> > problem. If I need to go w/ SS so be it, but the material cost about
four
> > times as much as aluminum (so, what else should one expect whaen owning
a
> > boat).
> >
> > Thanks, Roger
> >
> >
> > ----- Original Message -----
> > From: "Mike Lehman" <sail_505 at hotmail.com>
> > To: <public-list at alberg30.org>
> > Sent: Tuesday, September 07, 2004 10:09 AM
> > Subject: Re: [Public-list] RE: Head Holding tank
> >
> >
> > > Roger,
> > >
> > > Don't use aluminum for waste holding tanks. There is loads of advice
on
> > the
> > > web and loads of good reasoning why to avoid aluminum.
> > >
> > >
> > >
> > > Mike Lehman
> > > ><((((º>¸.·´¯`·...¸><((((º>
> > >
> > >
> > >
> > >
> > >
> > > ----Original Message Follows----
> > > From: "Roger L. Kingsland" <rkingsland101 at ksba.com>
> > > Reply-To: Alberg 30 Public List -- open to all
<public-list at alberg30.org>
> > > To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
> > > Subject: Re: [Public-list] RE: Head Holding tank
> > > Date: Tue, 7 Sep 2004 09:54:45 -0400
> > >
> > > Mike,
> > >
> > > I agree with you RE taking measurements. If intended to go under the
aft
> > > end of the of a V berth, that tank would not come close to fitting in
#148
> > > (1966, no liner). I am doing custom aluminum tanks and the best I can
do
> > is
> > > 18" deep and 18" port/starboard (about 27" fore/aft) for a tank that
is
> > > triangular in cross section. Plus, the shape in plan is a
parallelogram,
> > > not a rectangle. With a custom tank fitted to the available volume
> > (except
> > > curving the tank bottom to conform with the curve of the hull) I will
get
> > > about 18 gallons. I can't imagine getting more than about 10 to 12
with a
> > > stock tank. The stock one I removed held 6 gallons.
> > >
> > > Roger
> > >
> > >
> > > ----- Original Message -----
> > > From: "Mike Lehman" <sail_505 at hotmail.com>
> > > To: <public-list at alberg30.org>
> > > Sent: Tuesday, September 07, 2004 8:55 AM
> > > Subject: RE: [Public-list] RE: Head Holding tank
> > >
> > >
> > > > Maybe they cahnged some things since I did mine - now it looks like
the
> > > 5057
> > > > is the right one. I am doing this from memory , but it seems to the
the
> > > > height was 16" not 19" as shown in the 5022. I will take some more
> > > > measurements and let you know. I also, strongly advize that befor
> > buying
> > > any
> > > > tank , that you make careful measurents of your boat since we have
> > found
> > > > some differences from one boat to another.
> > > >
> > > >
> > > >
> > > > Mike Lehman
> > > > ><((((º>¸.·´¯`·...¸><((((º>
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > ----Original Message Follows----
> > > > From: "Chris Lawrence" <chris.lawrence at sympatico.ca>
> > > > Reply-To: Alberg 30 Public List -- open to all
> > <public-list at alberg30.org>
> > > > To: "'Alberg 30 Public List -- open to all'"
<public-list at alberg30.org>
> > > > Subject: RE: [Public-list] RE: Head Holding tank
> > > > Date: Sun, 5 Sep 2004 23:41:23 -0400
> > > >
> > > >
> > > > Mike
> > > > I looked at the Kracor website and Mold 5022 shown in your drawing
is
> > > listed
> > > > as having 17 gallons, not 15. So either Kracor has increased the
> > capacity
> > > of
> > > > the mold by using thiner materials (the outside dimensions are the
same
> > > as
> > > > in your drawing), or you have 2 more gallons of capacity with which
to
> > > > surmount unforseen circumstances...see link below
> > > >
> > > >
> > > > http://www.kracor.com/support/holdingtanks.pdf
> > > >
> > > >
> > > > Chris Lawrence
> > > >
> > > > Cirrus #500
> > > >
> > > > 24 Scarborough Road
> > > > Toronto, Canada M4E 3M5
> > > > T: 416-698-5136 F: 416-698-8953 E: chris.lawrence at sympatico.ca
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: public-list-bounces at alberg30.org
> > > > [mailto:public-list-bounces at alberg30.org] On Behalf Of Chris
Lawrence
> > > > Sent: 25 August 2004 18:43
> > > > To: 'Alberg 30 Public List -- open to all'
> > > > Subject: [Public-list] RE: Head Holding tank
> > > >
> > > >
> > > > Thanks Mike - this helps a lot - your install looks A1!
> > > > The tank I have is in the undersole, and I believe it was factory
> > > installed.
> > > > The previous owner had glassed over the entire surface and
subsequently
> > > > caulked all around it; however it leaks and is now beyond repair. I
> > think
> > > an
> > > > install in the forward berth makes more sense, because it is always
> > > better
> > > > to be able to see the bilges and I am thinking I will try and copy
what
> > > you
> > > > have done.
> > > >
> > > > Thanks again and best regards
> > > >
> > > > Cirrus #500
> > > >
> > > > Chris Lawrence
> > > > 24 Scarborough Road
> > > > Toronto, Canada M4E 3M5
> > > > T: 416-698-5136 F: 416-698-8953 E: chris.lawrence at sympatico.ca
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: public-list-bounces at alberg30.org
> > > > [mailto:public-list-bounces at alberg30.org] On Behalf Of Mike Lehman
> > > > Sent: 25 August 2004 11:38
> > > > To: public-list at alberg30.org
> > > > Subject: RE: [Public-list] where is #277?
> > > >
> > > >
> > > > My boat is hull #505 and I installed a Kracor 14 gallon tank under
the
> > > > v-berth on the portside, just in front of the bulkhead. Did your
boat
> > > have
> > > a
> > > >
> > > > factory installed tank, or is the present tank from a previous
owner?
> > My
> > > > boat did not have a tank. To see some pictures of the installation
go
> > to:
> > > >
> > > > http://alberg30.org/maintenance/disorganized/head/
> > > >
> > > > Hope this helps.
> > > >
> > > >
> > > >
> > > > Mike Lehman
> > > > ><((((º>¸.·´¯`·...¸><((((º>
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > ----Original Message Follows----
> > > > From: "Chris Lawrence" <chris.lawrence at sympatico.ca>
> > > > Reply-To: Alberg 30 Public List -- open to all
> > <public-list at alberg30.org>
> > > > To: "'Alberg 30 Public List -- open to all'"
<public-list at alberg30.org>
> > > > Subject: RE: [Public-list] where is #277?
> > > > Date: Wed, 25 Aug 2004 11:04:33 -0400
> > > >
> > > > Has anyone replaced a waste holding tank recently and if so any
tips
> > and
> > > > what did you replace with? Thanks
> > > >
> > > > Cirrus #500
> > > >
> > > > Chris Lawrence
> > > > 24 Scarborough Road
> > > > Toronto, Canada M4E 3M5
> > > > T: 416-698-5136 F: 416-698-8953 E: chris.lawrence at sympatico.ca
> > > >
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