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Old 09-20-2016, 06:25 PM   #1
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metal holding tank removal

Hi, fairly certain I will be removing holding tank from 40' Nova sundeck. Thru floor acess a little tight. Worst case should be able to use reciprocating saw on it. Any advice appreciated.
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Old 09-20-2016, 06:30 PM   #2
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First make sure it's empty and the space very well ventilated. (sorry, couldn't help myself).
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Old 09-20-2016, 06:42 PM   #3
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If you haven't disconnected the plumbing yet, fill and flush it several times. Might add some laundry soap and maybe a little bleach to the process. When I replaced all my sanitation lines, it made a very pleasant difference.

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Old 09-20-2016, 07:31 PM   #4
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You might get an angle grinder with a cut off wheel in there better than a sawzall.
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Old 09-20-2016, 08:35 PM   #5
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CAUTION! An angle grinder with a cut off blade is a potentially very dangerous tool. Speaking from painful experience.

Consider an oscillating tool with metal cutting blades. An expensive tool to be sure and it may require a lot of blades to get the job done. But you get to keep all your body parts.
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Old 09-20-2016, 09:54 PM   #6
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Quote:
Originally Posted by Portage_Bay View Post
CAUTION! An angle grinder with a cut off blade is a potentially very dangerous tool.
Seriously!? I'm amazed they are allowed to sell them then.

And I still have all my digits after using them all these years.
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Old 09-20-2016, 10:31 PM   #7
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Seriously!? I'm amazed they are allowed to sell them then.

And I still have all my digits after using them all these years.


Accounts have problems with hand tools
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Old 09-21-2016, 06:16 AM   #8
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If steel...my one handed Rigid from Home Depot did 2-200 gallon fuel tanks pretty well, andwas easy to handle.

But my guess your tank is stainless? And if so my experience with getting through stainless easily is with a cutting wheel as blades seem to dull too quickly. Sure specialty blades...blah, blah....

All tools can be dangerous in the wrong hands.....
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Old 09-21-2016, 06:32 AM   #9
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Depending on Mfd thickness a heavy set of sheers might do the job, but the cuts leave sharp edges.
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Old 09-21-2016, 07:37 AM   #10
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Depending on Mfd thickness a heavy set of sheers might do the job, but the cuts leave sharp edges.
Could an air-shear be suitable for this application or is the metal too thick?
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Old 09-21-2016, 10:02 AM   #11
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I have had much better success with an abrasive wheel compared to a sawsall.
I have also found that a circular saw with an abrasive wheel is faster than an angle grinder at this task. You can also adjust the depth on a circular saw.
Once the large abrasive wheel on the circular has worn down, I move it to the angle grinder for those hard to get at sections.
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Old 09-21-2016, 01:20 PM   #12
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Make sure you clean it out first before you cut as methane gas is explosive.
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Old 09-27-2016, 12:00 PM   #13
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Thanks for all of the advice. Much appreciated.
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