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Old 09-09-2016, 03:52 PM   #1
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Smoke/carbon monoxide detectors

I admit it, I'm overwhelmed! Trying to get my 36ft. Marine Trader Sundeck Coast Guard compliant.

How many smoke/carbon monoxide detectors do I need and where?

2 staterooms, galley, salon and 2 heads.

I think I should just bring a cot to the marine store and sleep there!
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Old 09-09-2016, 04:04 PM   #2
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There are no Coast Guard requirements to have smoke/co detectors. ABYC does recommend them if the boat has a gasoline engine or gasoline generator.

A-24.7 REQUIREMENTS - INSTALLATION
24.7.1
A carbon monoxide detection system shall be installed on all boats with an enclosed accommodation compartment(s) and,
24.7.1.1
a gasoline generator set, or
24.7.1.2
an inboard gasoline propulsion engine.
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Old 09-09-2016, 04:06 PM   #3
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There is nothing wrong with installing them on a diesel boat, but diesel engines produce far less CO. If you go this route, there have been a lot of issues with flee alarms when household units are installed. The Marine units will perform more reliably in the marine environment.
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Old 09-09-2016, 04:17 PM   #4
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REALLY? Oh now I'm doing the happy dance!

I will install one in each stateroom even though it's a diesel engine!

THANK YOU!
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Old 09-09-2016, 04:28 PM   #5
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Donna, I see you have mentioned "CG Compliance" a few times.

Might I suggest you ask at the marina who the local CGA guy is that does the free inspections. Have him come and walk through the boat and he will explain everything you need from a CG perspective - is really isn't that much. However he/she will also talk to you about recommended other stuff from a safety standpoint. It's free and probably worth doing by a new boat owner.

Their requirements are basically:

PFDs for the waters you are in. Frankly if you have enough of the Type 1s you will be covered.
Noisemaker (whistles, bell)
Flares.
Nav lights working
You meet pollution rules (no oil etc. in bilge, your toilet discharge through hull is closed) you have the garbage and oil placards posted somewhere)
If a gas engine you have the backflame arrestor in place and blowers.
You also need to have the Rules To Navigation on board.

I think that is pretty much it. I'm sure other will chime in if I have forgotten something!
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Old 09-09-2016, 04:39 PM   #6
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Quote:
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REALLY? Oh now I'm doing the happy dance!

I will install one in each stateroom even though it's a diesel engine!

THANK YOU!
I worked for ABYC at the time the standards were written. IF you do install them, get the good marine ones. The will give fewer false alarms. I would also put a smoke/fire detector in the engine room. boat fires are rare, but they often start in the machinery space.
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Old 09-09-2016, 04:49 PM   #7
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In a large, well ventilated boat such as a 36 foot trawler, the household units seem to do fine.

Awhile back we had a long thread here on alarms with the same results that there are marine grade types and home depot types...that is about owners...not alarms...

And actually the home detectors seem to be good at giving early warning to batteries cooking off. A fringe benefit of them.

I have never had a false alarm in 10 years of living aboard my last 2 boats since 1996. And I worked for a Sea Ray dealership that had marine ones going off all the time. Granted that was 13 years ago...but many, many friends with boats that aren't sailboats or other tunnel like boats have no issues with home improvement box store kinds.

I ordered a set of two that are wireless and set each other off...one in the engine room, one in the saloon....plus one each in each stateroom.

They don't false alarm, go off routinely when cooking bacon like they are supposed to, etc..etc...

Buying marine ones might be a better idea.but no one has proven it to me and many others either.
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Old 09-09-2016, 04:59 PM   #8
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Quote:
Originally Posted by psneeld View Post
In a large, well ventilated boat such as a 36 foot trawler, the household units seem to do fine.

Awhile back we had a long thread here on alarms with the same results that there are marine grade types and home depot types...that is about owners...not alarms...

And actually the home detectors seem to be good at giving early warning to batteries cooking off. A fringe benefit of them.
I installed 3 Kidde 10 year lithium battery units with ppm of CO display 2 years ago. We've been through a lot of conditions including AC, heat, fog, dry and -5 degrees winter conditions and never a false alarm. However, all 3 indicated a CO level and one went high enough to alarm when I inadvertently started overcharging my house bank. So no false alarms for me and the fringe benefit definitely worked.

Ken
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Old 09-09-2016, 05:04 PM   #9
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Quote:
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REALLY? Oh now I'm doing the happy dance!

I will install one in each stateroom even though it's a diesel engine!

THANK YOU!

You might see about installing one nearest wherever your battery banks are, too... if the two stateroom locations don't cover that. Turns out many CO detectors will alarm on battery off-gassing, not a bad thing to know about.

Our factory installation is a CO detector in each stateroom, plus one in the saloon at the other end of the interior. None of those is particularly near where our batteries are located in the engine room, so I dunno if I would expect any off-gassing alarm in our boat or not. OTOH, we have all AGM batteries, less off-gassing anyway...

-Chris
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Old 09-09-2016, 05:40 PM   #10
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I second the idea of getting a Vessel Safety Check by the Coast Guard Auxiliary. They are free and there is no consequence if you do not pass. The examiner will show you what you need and will make arrangements to return and recheck the boat after you fix what is wrong, if you want to. Just go to cgaux.org and click on get a vessel safety check, fill out your info and someone will contact you to schedule a safety check. If (when) your boat passes the VSC, you will get a decal showing that your boat did pass. In some states, LE won't stop you for a safety check if you have a decal, unless you are doing something illegal...
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Old 09-09-2016, 06:01 PM   #11
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The USCGAUX decal may or may not ever prevent a regular boarding.

Many USCGAUX people are of high caliber and experience...many are not.

Unless you double check a lot of what you are told by sone...you can be led down a pretty interesting path....take your chances.

The basic USCGAUX checklists are good, but a long way from having a boat most here would take to sea, sight unseen.
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Old 09-09-2016, 06:04 PM   #12
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I'm just going to start printing out all the threads I have started with all the replies and keep it in a boat file. The info given from all of you is worth its weight in gold!

As always, I thank you all!
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Old 09-09-2016, 06:24 PM   #13
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if you had a survey the required safety stuff should have been mentioned. CG requirements are important but there is a lot more to a happy boat.
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Old 09-09-2016, 06:25 PM   #14
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Our surveyor recommended we replace the home smoke detector with marine grade. When the insurance company saw that they required it for coverage purposes. It's a cheap enough item with huge benefits.
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Old 09-09-2016, 07:07 PM   #15
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Here's what we have aboard:

Salon/Galley:
Smoke detector
Combination CO/Propane detector

Inverter cabinet (in salon above battery ER location):
Smoke detector

Steps leading to head/staterooms:
Smoke detector

Stateroom 1:
Smoke detector

Stateroom 2:
Smoke detector
CO Detector

Engine Room:
Smoke detector

I like the idea of having a pair connected wirelessly so they both sound if one detects like Psn has. I have wondered if I'd be able to hear the ER detector when the engines are running. I'll keep an eye out for a new pair for the ER and Salon/galley.
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Old 09-09-2016, 07:11 PM   #16
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Quote:
Originally Posted by FlyWright View Post
Here's what we have aboard:

Salon/Galley:
Smoke detector
Combination CO/Propane detector

Inverter cabinet (in salon above battery ER location):
Smoke detector

Steps leading to head/staterooms:
Smoke detector

Stateroom 1:
Smoke detector

Stateroom 2:
Smoke detector
CO Detector

Engine Room:
Smoke detector

I like the idea of having a pair connected wirelessly so they both sound if one detects like Psn has. I have wondered if I'd be able to hear the ER detector when the engines are running. I'll keep an eye out for a new pair for the ER and Salon/galley.
Are you gas or diesel?
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Old 09-09-2016, 07:15 PM   #17
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Twin diesel with propane stove (seldom used) and a gasoline Honda genset.
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Old 09-09-2016, 07:22 PM   #18
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The Honda is outside?
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Old 09-09-2016, 07:28 PM   #19
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The Honda is outside?
Yup.
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Old 09-09-2016, 07:38 PM   #20
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Our diesel-propelled, genset-absent boat has a CO monitor/alarm in the sleeping compartment and a propane m/a in the propane-fueled galley.
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