large walk-on deck hatch for inside cabin?

[SBH2OMan]

Our boat is in the boat yard for the fuel tank replacement and it looks like they are late finishing a mega-yacht so we'll be waiting a couple of weeks for our job to get underway. In the mean time, I have access to the boat and I'm taking advantage of it being out of the water to do a bunch of needed work.

While cleaning out the forward bilge under the cabin (which had been soaked in gasoline) I was reminded that there is a really weird void there. Right in front of the threshold for the berth is a small pie tin hatch that provides access to a float switch and bilge pump. About 18" aft of that there appears to be a bulkhead - but it only extends about 1/2 up, creating a void (with no drain on top) that spans the hull but about 12" off the bottom and extends to the bulkhead below the cabin door.




My question is - what is in that void? Why is it there? Has anyone opened up their deck to add a hatch to access this area? (it could be used as "semi-dry" storage.). Wondering what sort of "walk-on" hatch might be s good fit that we could install.

Very curious about this...

 

[mheltunen]

not the best picture but I have two floor hatches that open in the cockpit area then a small hatch to access the forward bilge pump

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[mheltunen]

A older (and dirtier) pic of the same area

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[Brent]

Mine is like Mark's but with starboard hinges

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[SBH2OMan]

Interesting! So you have glassed-in tubs. That makes a lot of sense.


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[SOUTHWINS]

i did that in my 2120

 

[SBH2OMan]

not the best picture but I have two floor hatches that open in the cockpit area then a small hatch to access the forward bilge pump

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Is that one long tub with two covers?


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[mheltunen]

Yes


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[mheltunen]

Again a old dirty picture but my house batteries are housed in the front of the tub

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[SBH2OMan]

Do you have 3 house batteries or is that battery on the starboard side the starting battery?

I might take advantage of this time out of the water to move all the batteries into a space u set the floor. That would move 100lbs off the stern...


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[mheltunen]

Do you have 3 house batteries or is that battery on the starboard side the starting battery?

I might take advantage of this time out of the water to move all the batteries into a space u set the floor. That would move 100lbs off the stern...


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I have two house batteries (in the “tub” area) and a single starting battery on the starboard side under my seat.


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