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Old 07-19-2018, 02:13 PM   #1
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Propane storage on Taiwan builds

Propane storage is an issue on any boat however a great number of Taiwan builds came with the propane storage on the fly bridge in the eye brow.

I badly want to get our propane properly stored on our Sealord 35 (which is identical to the Oceania 35) and am looking to see what others have done on their Taiwan boats.

My initial idea was to simply build a sealed, vented locker inside the eyebrow however all approved storage lockers are top loading and the height available just isn't there for that.
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Old 07-19-2018, 03:55 PM   #2
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I have a fabric cover over mine and have it secured near the aft rail on the flybridge.

I have a self survey coming up, we will see if they like that......the survey specifically asks if it is under the flybridge fairing.....leading me to believe it's a no-no.
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Old 07-19-2018, 04:39 PM   #3
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My boat has a sealed and properly vented compartment on one side under the brow. The only requirement it doesn't meet is the relatively new one that says it must be top loading. This I can live with and indeed my setup is perfectly "legal" in my older boat.

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Old 07-19-2018, 04:49 PM   #4
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That's what I was thinking. Build a locker inside the eyebrow until I saw the top load requirement to meet full standards.
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Old 07-19-2018, 05:26 PM   #5
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That's what I was thinking. Build a locker inside the eyebrow until I saw the top load requirement to meet full standards.
Can you hinge the locker so you can tilt it to load, unload, and check/ do maintenance?

Have a lock down on the far side....
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Old 07-19-2018, 06:19 PM   #6
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How about ..... Safe Propane Installations to ABYC Standards
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Old 07-19-2018, 09:36 PM   #7
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Yeah read that site. Unless I start from scratch and relocate the system I'm stuck with a locker 'inside' the eyebrow which should be better than no locker.

Plenty of room on the sun deck but I hate the thought of rerouting the entire system.
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Old 07-19-2018, 09:42 PM   #8
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Only thing you should take great care about is the path of propane in case of a leak. It should go overboard without any chance to get into the boat. Think of it as water, in case of a leak is there any chance it could get onboard? Is there any opening?
As an example, my tanks are on the aft deck, under a bench. In case of a leak only path is aft where there is no opening.

L
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Old 07-19-2018, 10:08 PM   #9
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Only thing you should take great care about is the path of propane in case of a leak.

L
The standards require the overboard vent be at least 24" from any opening into the boat so that's another complication for locker location. I think every Taiwan built boat was delivered with the tanks in the same place.
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Old 07-20-2018, 05:38 AM   #10
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The standards require the overboard vent be at least 24" from any opening into the boat so that's another complication for locker location. I think every Taiwan built boat was delivered with the tanks in the same place.
It is (almost) impossible to find a spot for a locker with a drain hose overboard below the gunnel on a double cabin trawler without running the drain line back inside or crossing a deck as a trip hazard.

So I opt for open air storage on the bridge and at least 24 inches from an opening window.

It may be flagged by some overzealous surveyor. However, after discussing it here and having ABYC guys cite that there are allowances for less than perfect systems on older boats as long as the spirit is met and is less dangerous than trying to make it "perfect", I am satisfied it is safe enough.
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Old 07-20-2018, 06:46 AM   #11
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Mine is still on the bridge under the brow. Been thru 2 surveys and it was never a problem.
One of my flybridge seats was designed to be a cooler with an overboard drain and that is where I store the small canisters for the gas grill.
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Old 07-23-2018, 02:20 PM   #12
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Old 07-23-2018, 02:59 PM   #13
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Can someone explain the need for top loading only? I am planning a side-loading gasketed door for my new construction. I still need to check what the classification rules say because I'm not planning on ABYC.

Edit: I checked CCS and all it says is "6.3.1.6 The sealed protective box is to seal the opening of gas tank and its accessories reliably and vent pipe is to be provided to lead the leakage gases to safe spaces outboard." Nothing about top loading.
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Old 07-23-2018, 03:48 PM   #14
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I believe the top loading is so when you open the door the propane that may be in the locker will not run out. Propane is heavier than air so with the top loading the propane will remain in the locker and run out through the discharge tube as designed.
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Old 07-23-2018, 08:23 PM   #15
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Top loading sealed compartment with a drain below the gunnel is ABYC’s way of idiot proofing propane (I am not knocking ABYC). Is it unreasonable to have a side loading gasket sealed locker that also uses a sniffer and an automatic shut off valve? No it is not. Why can’t ABYC allow for this? Cause your battery might go dead and then you would have inadequate protection. Are you willing to play the odds (and they are very small odds) that you will suffer a propane leak on the same day your battery goes dead? I have 1400 amp hrs of battery so i’m Willing to take those odds.
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Old 07-29-2018, 03:22 PM   #16
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Plan A;

I've been sizing up our situation and I'm going to see if I can fit a double tank top loading locker through the eyebrow hatch. If I can then I'll look at building a tilting deck inside the brow to accommodate opening the locker lid. I can then pipe the drain to a spot on the brow far enough away from windows and doors to satisfy the requirements.

Plan B;

...make Plan A work because I can't think of another way without an exposed locker on the deck and rerouting.
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Old 07-29-2018, 04:08 PM   #17
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Quote:
Originally Posted by ksceviour View Post
Plan A;

I've been sizing up our situation and I'm going to see if I can fit a double tank top loading locker through the eyebrow hatch. If I can then I'll look at building a tilting deck inside the brow to accommodate opening the locker lid. I can then pipe the drain to a spot on the brow far enough away from windows and doors to satisfy the requirements.

Plan B;

...make Plan A work because I can't think of another way without an exposed locker on the deck and rerouting.
Which is my gripe concerning those that argue that a vent opening from the flying bridge does not meet the requirements as they feel the vent has to be below the gunnel.
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Old 07-29-2018, 10:38 PM   #18
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ABYC, A-1
1.8.5 Locker vents shall be led outboard, without pockets, through the hull to a point lower than the locker bottom and above the waterline with the boat in the static floating position.
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Old 07-30-2018, 05:34 AM   #19
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As most have said, as long as the propane can drain overboard.
My tanks are under the seat on the fly bridge. The locker is vented outboard.
It works because when I test it with water, no water gets in the boat.
It's also on electric solenoid, when is only on for limited time.
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Old 07-30-2018, 05:44 AM   #20
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ABYC, A-1
1.8.5 Locker vents shall be led outboard, without bpockets, through the hull to a point lower than the locker bottom and above the waterline with the boat in the static floating position.
So 3 things...does outboard ABSOLUTELY mean below the gunnel? And if so, why is ABYC language usually so specific they didnt say so in this case.

Does running a drain line back within the hull just to drain below the gunnel, posing in my mind a greaterchance of a leak inside the hull, or running it across a deck make more sense than "outboard" but not necessarily beyond the gunnels but not into or above a cockpit?

And 3, would not above fall into the catch all paragraphs at the beginning of the standards that say while the standards are preferred, so allowances can be made for variation when practicable?
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