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Old 03-18-2008, 10:56 AM   #16
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drive over septic tank?


Hey Eddie,

I don't see it is thread-jacking - very relevant to subject. The argumants against driving over the system was enough for me.

good luck with the circular driveway,
Chris

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Old 03-18-2008, 12:01 PM   #17
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drive over septic tank?


Don't really plan on building the circle drive anymore,as the wife has decided against it now.
But I would like to know more about the septic system and the lateral lines.
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Old 03-22-2008, 06:29 AM   #18
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drive over septic tank?


I believe the numbers you are referring to....5'8"...6'2"....6'8"....etc...may be elevation measurements from a laser level or transit. They are not likely depth measurements for individual leach lines. Typically, leach lines would not be installed that deep. An inspector may record these types of measurements on a site drawing, or perhaps the septic installer put them on the as-built drawing.
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Old 03-22-2008, 08:26 PM   #19
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drive over septic tank?


That makes perfect sense as my front yard is a slope downwards.
I didn't see anything about depth of the lines though,how deep are they often put?
I'm not sure what code is yet,our code guy is way overworked and hard to get ahold of.
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Old 10-07-2012, 09:55 PM   #20
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drive over septic tank?


You might get lucky, and park on the corner of your septic tank, and whatnot, but just imagine if you go through. The tank is ruined, and will need to be removed (think bio-hazard disposal fees) and the whole area will be treated as a bio-hazard. I don't think you can imagine how much it would cost to replace the tank, including any damage to the vehicle that goes through. There are special septic tanks which can be driven on, but they cost more and need to be installed a specific way. As far as leach fields go, same deal, you could go through, especially with the newer fields which don't always use 4" pipe, but use the larger pipes or vaults. Driving on a leach field also compacts it, which will shorten the life of your field. But, if you have an extra 10 - 40 grand laying around to gamble with, go for it. I've seen trees taken down by a tree service where they used a crane, and put the tree in a sling, and cut the base and lifted it right off the stump, and the put it right where they wanted to. There are many ways to skin that cat, but driving on the field or tank are a big mistake. You might get lucky or your luck might run out.
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Old 10-08-2012, 02:46 PM   #21
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drive over septic tank?


On a similar thought, what about driving cars/pickups over the line going from the house to the septic tank ? For schedule 40 pvc, how far would the line have to be buried to be safe ? How about for schedule 80 pvc ?

Arky
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Old 10-08-2012, 05:47 PM   #22
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drive over septic tank?


Septic tank construction varies by jurisdiction. Where I live in MA, the minimum rating for a septic tank is H20, meaning that it is designed for 16,000 lb loading over two tires. A heavy tree truck could well exceed this loading, and of course your septic tank might not be designed to H20, could be much lower rated, or maybe not rated at all. Almost certainly a bad idea to drive over the tank with a heavy truck. If you know for sure that you have an H20 rated tank, you can certainly drive a pickup over it, I have done it on several occasions over my tank, no problem.
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Old 10-08-2012, 08:05 PM   #23
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Quote:
Originally Posted by Daniel Holzman View Post
Septic tank construction varies by jurisdiction. Where I live in MA, the minimum rating for a septic tank is H20, meaning that it is designed for 16,000 lb loading over two tires. A heavy tree truck could well exceed this loading, and of course your septic tank might not be designed to H20, could be much lower rated, or maybe not rated at all. Almost certainly a bad idea to drive over the tank with a heavy truck. If you know for sure that you have an H20 rated tank, you can certainly drive a pickup over it, I have done it on several occasions over my tank, no problem.
Thanks Daniel, but I didn't mean driving over the septic tank.

But the main drain line going from my house to the septic tank will traverse across
the only space that I have to drive to the back of my house (long story, the house is on a narrow ridge).

I am planning to use schedule 80 pvc for that line and was wondering how deep
I would need to bury it.
If that's not a good idea, maybe I should transition to cast iron pipe for the area where I need to drive over ?

Arky
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Old 11-18-2012, 08:32 AM   #24
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drive over septic tank?


Been following this and would be interested in the reply to Arky about how far deep pvc needs to be buried under an area that might someday be driven across. Schedule 40? Schedule 80? Not necessarily for leach lines, but low pressure water drainage.

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