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according to code:
How much bend( change of direction) can be applied to the drain line going into septic tank.
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according to code:
How much bend( change of direction) can be applied to the drain line going into septic tank.
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Replies
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I'm not aware of any code pertaining to this. You would certainly want to make the bends as sweeping as possible. 22 1/2 degree bends are commonly available for the PVC pipe used in these applications.
*Where in relation to the septic tank do you speak. You normally need at least 1/4" foot of slope to your effluent pipe leading to the tank & the inlet should be at least 2" above the level of the liquid in the tank. But like G.L., I am not aware of any restriction on having bends prior to the tank. As he mentions, given the slow flow, you would want as little restriction as possible. The inlet inside the tank is normally baffled which gives a right angle just inside the tank. The following are some links I have bookmarked, perhaps there is something in these that can assist:http://ianrwww.unl.edu/pubs/wastemgt/g448.htmhttp://www.inspect-ny.com/septbook.htmhttp://www.ces.uga.edu/pubcd/c819-2w.htmlhttp://www.geocities.com/RainForest/Vines/5240/Septic_Tanks.htmlhttp://www.nesc.wvu.edu/nsfc/NSFC_septic_news.htmlthere is also a site that is primarily to sell something called a "septic protector" (to keep link from clogging up the system) which says it will answer septic questions by e-mail:http://www.septicprotector.com/There is also a plumbing web site where they might have an answer (I haven't visited there for a while, so don't know how active they are) at: http://www.plbg.com/
*The story is:Plan on pouring footer this saturday, due to septic tank people install tank at wrong elevation i must have a step down on footer so slope will be above footer instead of below like design. Now the tank is too far to right so step down is in corner of bldg line. if they is no code on sweep then I can use a 22 1/2 and everything will fall in line. I,m trying to figure the rebar stepdown which must happen tomorrow to stay on schedule.
*Why do you have to make the changes in other work when the guys with the backhoe can come back and get it right and with less effort. Will this lower tank affect the design and function of the field? or do you pump out?
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according to code:
How much bend( change of direction) can be applied to the drain line going into septic tank.