IP 380 Leaking Holding Tank

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3 years 4 months ago #4018 by Rwirtz
Replied by Rwirtz on topic IP 380 Leaking Holding Tank
I received a cost estimate of about $9K for IPY to replace the holding tank, install new hoses and add a tank monitor system on my I-380, however, this would also require the boat to be trucked to the factory at an additional cost of about $5K. Snead Island Boat Works, in the St. Petersburg area, is currently replacing the holding tank on an IP-380, using a fiberglass tank fabricated by IPY, for about $10K. Since you can sail into the Snead island boat yard there is no additional boat transport cost, but requires about a month notice for the work. Bill Bolin, at IPY, was kind enough to send me the line diagram of the tanks in my IP-380 (attached). I'm currently exploring three other, less expensive options: (1) work with a local marine carpenter and plumber to install a plastic tank; (2) install a bladder tank w/o removing the floor; and (3) cutting into the existing tank through the area around the existing plumbing, cleaning the tank and sealing it with an epoxy designed for fuel tanks. A drawback of using a bladder tank is that the Nauta and Vetus flexible tanks listed don't fit the IP-380 24x48 inch holding tank footprint, resulting in a loss of capacity, e.g., the Nauta 37 gallon tank is 27 x46 inches. I plan on cutting into the tank next weekend and exploring approaches to clean the tank to insure that an epoxy sealant would work. Any information or suggestions on the above would be appreciated.
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3 years 4 months ago #4025 by Rwirtz
Replied by Rwirtz on topic IP 380 Leaking Holding Tank
Most promising, modest cost approach is a custom bladder tank to optimize existing space and current input, pump out and vent connections - see discussion below.

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3 years 4 months ago #4026 by VicC
Replied by VicC on topic IP 380 Leaking Holding Tank
The Nautica 37 looks like a perfect fit. It will install flat like an envelope, albeit curled up on each side 1 1/2 inches. It sounds like there is enough room for it to expand to it's 37 gal capacity. Give some thought to the attachment. I believe there are gromets at the corners. Make surety tank can expand upward. If it is contained in the compartment, you may not need to attach, as it has nowhere to go. BTW, I'm heading into my 8th season with the same bladder tank. Vic

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3 years 4 months ago #4027 by Rwirtz
Replied by Rwirtz on topic IP 380 Leaking Holding Tank
VicC and others, Thanks for the input. I plan on moving forward with the bladder tank. As always, the IPYOA is a great source of information.

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3 years 4 months ago #4028 by mgraham
Replied by mgraham on topic IP 380 Leaking Holding Tank
I always heard that bladder tanks tend to transmit odors more readily than
Other rigid tanks.

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3 years 1 month ago - 3 years 1 month ago #4218 by MessingAbout
Replied by MessingAbout on topic IP 380 Leaking Holding Tank
We're another metric to add to the leaking IP 380 aluminum holding tank. Forward seam failed this past week, with the "stuff" leaking into the bilge while we were underway on the Chesapeake Bay.

Karsten at IPY responded within hours of our note of the holding tank failure with detailed IPY drawings of the tank and surrounding timbers. He confirmed other comments here at the IPYOA that IPY will do the replacement for around $10K. It's a long run from the Chesapeake Bay to southern Florida. With the fall our prime cruising season, we have about a month to get the holding tank fix completed. Am working with Karsten on their glue and the holding tank support structure details so we can get the repair underway here in Virginia.

We are looking for prior IP 380 owners "jimandjanski" who detailed their holding tank replacement on www.ipphotos.com . Any assistance appreciated.
Last edit: 3 years 1 month ago by MessingAbout. Reason: spelling

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3 years 1 month ago #4220 by antares
Replied by antares on topic IP 380 Leaking Holding Tank
'Antares' (IP-380-89) is currently on-the-hard at Peakes Boat Yard in Trinidad getting the holding tank replaced by Craftline Woodworking. Craftline did this same job to another IP-380 who we contacted and were quite happy with the work Craftline did. The job on 'Antares' is in progress right now. We will not see the completed project until February. Attached are some pictures Narace Mahadeo sent me and the text of our quotation.

"To cut flooring in forward cabin and remove existing holding tank and make new fiberglass holding tank and to replace flooring and to strip-sand cabin sole throughout vessel and apply 8 coats of epiphane varnish" - $5800 USD.

Good Luck

Joe


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3 years 3 weeks ago - 3 years 3 weeks ago #4229 by Tuamotu
Replied by Tuamotu on topic IP 380 Leaking Holding Tank
Tuamotu IPY380-098 built in 2001 has arrived at that point in her life where the head/holding tank hoses need to be changed. The odor can no longer be ignored.
I retired last year and we are starting to take longer trips than weekends and the odd vacation. Its interesting that which can be ignored on a weekend trip cannot be ignored when on the boat for three months. We just completed a Vancouver Island Circumnavigation.
I plan to do the labor my self and with all the discussion regarding IP holding tanks was hoping someone would have the individual hose lengths. I contacted IP and Karsten provided the 420 lengths which has two heads. There apparently was a flood down there in Florida and some of the older boat records were lost.
The holding tank is not leaking at this time but a little paranoia is setting in. If I can fit in the project this winter I will change it out at the same time.
I could pull out the hoses then purchase the hose but would like to have all parts on board before I start cutting.
Thank you in advance
Ian Meikle
Tuamotu IPY-380-098
Seattle WA
Last edit: 3 years 3 weeks ago by Tuamotu.

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3 years 3 weeks ago #4230 by MessingAbout
Replied by MessingAbout on topic IP 380 Leaking Holding Tank
Ian...we are in the throes of replacing the 40-gal holding tank and sanitary hoses on our IP 380-88, The Belle of Virginia. We contacted several potential holding tank providers.

Stacy Evans at Wellington Plastics (This email address is being protected from spambots. You need JavaScript enabled to view it. 604.795.5106 in BC Canada) has the mold and has made several 3/8 poly holding tanks for the IP 380 and other IPs. Cost is $700 and $100 for shipping, about a week to build and ship.

We also poke with Gareth at DuraWeld (This email address is being protected from spambots. You need JavaScript enabled to view it., 561-586-0180 in Lake Worth, FL). Their price is $695, and 4-6 week build to ship time. They've provided many IP poly holding tanks.

Both the Dura-weld and the Wellington plastics tanks are 3/8" poly with a 3/8" protrusion on the tank face to hold the FNPT fitted access points, in the exact position detailed in the IP holding tank drawings. The tanks have baffles too.

Lastly, we spoke with Rich at Ronco PLastics (This email address is being protected from spambots. You need JavaScript enabled to view it.). They have not made many IP holding tanks.

We start the sole surgery this weekend, opening the sole to remove the holding tank. Karen and I are doing all the work ourselves. Have done enough fiberglassing, hardwood floor replacement, and cabinetry work that we're well underway.

ON the hoses. Many of the new sanitary hoses are a bit (up to 1/8") wider in outside diameter than the original hoses, so it may not be a simple pull out the old and replace with a new hose...Time to use the dremel tool grinding head.

Chess and Karen
The Belle of Virginia
thebelleofvirginia.blogspot.com/

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3 years 3 weeks ago #4231 by Emergpa1
Replied by Emergpa1 on topic IP 380 Leaking Holding Tank
There is a solution for under $900. Anyone familiar with the Island packet 31 knows that it's waste holding capacity is completely inadequate for more than a weekend. Since we live aboard full-time I installed a nature's head composting toilet three years ago. Having live with it this long I have worked out the small kinks and have come up with a waste handling system that is easy, comfortable, and very efficient with no odor. And no maintenance issues. Dealing with a composting head is very akin to dealing with a home aquarium. You occasionally remove a little bit of compost, add a little fresh peat moss, stir often, maintain the proper moisture level and that's all there is to it. I usually go to months without having to mess with the compost at all. Then it's simply a matter of removing about a quart of the old compost and adding some fresh peat moss. The urine goes into a separate tank built into the head. And it gets poured out daily. If anyone decides to go that route then feel free to contact me for all the little tips and tricks to make the composter work at Peak efficiency
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