How much weight on concrete septic tank and leech field

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Old 04-21-12, 10:23 AM
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Red face How much weight on concrete septic tank and leech field

first time user.. We are doing a landscape project at cabin. the front yard is on a hill. we want to terrace the yard using large stone and gravel and dirt to back fill behind the stone. The 1000 gal. septic tank is concrete and was installed in 1992.
The stone wall will not be on the tank or leech field. We will have to put about 4 feet of dirt on top of the tank. We were going to use concrete risers to get the clean out close to the surface.
Will 4 feet of dirt be too much weight for the tank?????
Also the back hoe will have to drive across the leech field to work.. will that be a problem...
Thanks any advise would be appreciated...
Gary
 
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Old 04-21-12, 10:49 AM
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Also the back hoe will have to drive across the leech field to work.. will that be a problem...
YES! Do not let a back hoe drive on the drain field.

While that tank could likely handle the dirt on top, you would still need to able to access to clean it. This would involve bring the access to the surface as well as the PVC clean outs.
 
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Old 04-21-12, 04:20 PM
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Bringing the clean out to the surface is only half the battle. If the top ever needs to be removed for maintenance, grease trap, etc. 4' of dirt won't be your friend.
 
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Old 04-21-12, 06:31 PM
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Also the back hoe will have to drive across the leech field to work.. will that be a problem...
Thanks any advise would be appreciated..


Your just looking for trouble.

Price a new leach field then you decide if you want a backhoe to drive over it. Because that's most likely what you will be doing.

Mike NJ
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