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AlanE 08-04-2012 11:50 AM

D box question

I dug up my distribution box today and this may sound like a novice question but how to you remove the top lid? It should be so obvious that the round lid comes off but it will not budge and appears to be no seam to the lid even though it looks like there is one.

The lid is plastic and I'm concerned that if I pry it I will just bust through it and then be stuck having to replace the box.

Here are some pictures:

AlanE 08-05-2012 10:38 AM

I appreciate the views. I figured out that the top is part of the molded box. So I bought a plug and drew an outline of it on the top and cut it out. As suspected the d box was full of sludge and roots. Completely blocking one pipe. The other pipe I don't know. I'm thinking roots further down. I couldn't feel anything. More important - water is flowing again. :thumbup:

Daniel Holzman 08-05-2012 10:47 AM

Two things. First, the lid is sometimes a twist off. Second, that D box should be surrounded by crushed stone and sand, not soil. You have to wonder if the trenches were properly constructed, no way roots should be getting into a D box or the trenches.

AlanE 08-05-2012 12:33 PM

Our 'soil' is sand (Florida) and they did use crushed rock but apparently just to sit the d box on. Above that it was just covered in sand. The leach field was installed by (I'm guessing) liquored-up cheap labor back in 1978. I would hazard another guess and say they just laid burlap over the pipes and dumped rock on top of it. The roots I felt have penetrated the pipe from underneath.

Oh with regards to the top, it wouldn't budge. I checked it after I cut it. No dice. I guess the code for septic tanks was very lax in the 70's.

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