Plumbing softener drain line to sewer clean out
bigsmooth469
14 years ago
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lazypup
14 years agobigsmooth469
14 years agoRelated Discussions
Septic Clean-Out Line
Comments (10)Quote:"Since the cleanout is outside the house the building department doesn't look at it. It's under the health dpt and they really don't have any specs. A 3" c/o in the 4" line will be approved. Thanks, Tom" WRONG! Although your Plumbing Inspector works out of the building department, the entire Plumbing Code is a health code and the Plumbing Inspector is in fact a health official. It should also be noted that in most jurisdictions the Plumbing Inspector has full arrest powers and he/she can pull your certificate of occupancy and order you to leave the structure immediately pending a court hearing. Now in regards to the size of a cleanout on a 4" house sewer line. Both the International Residential Code and the Uniform Plumbing Code permit a 3.5" cleanout. Ref: IRC-3005.2 UPC-707...See MoreNew footers, new sewer line - what about tree roots?
Comments (19)Out of curiosity I just called my local Lowes store to see what the cost difference would be to use 4" PVC-Sched40 as opposed to 4"PVC-SDR35 and I was utterly amazed at the results. A 10' length of 4" PVC-SDR35 is $15.03 A 10' length of 4" PVC-Sched.40 is $14.67 If we then factor in the cost of a 4" PVC coupling the price is almost identical. Considering that the trenching cost remains the same regardless of which pipe you choose the savings is then only the time required to make a slip joint versus apply primer and glue however, while Lowes only carries 10' lengths PVC sched.40 is principally made in 20' lengths available at any Plumbing supply house. This means you only have half as many joints with sched40 so the actual labor time would be nearly the same. Bussdriver is correct that they do use PVC SDR pipe with gaskets joints for municipal mains however it must be remembered that the SDR standard was originally used to specify concrete sewer pipe. When we apply the SDR formula to a 36" municipal main we get a wall thickness of 36/35= 1.02". Even an 18" municipal main would have a 1/2" wall thickness. The smallest diameter PVC-SDR35 pipe used for municipal mains is 8" which would have a wall thickness of 8"/35= 0.228' which is approximately the same thickness as 4" PVC-sched40 at 0.237". However when we consider that a residential house sewer is limited to 3" or 4" we then get a wall thickness of 3"/35= 0.085" or 4"/35= 0.11". While PVC-SDR35 is approved in both the IRC and UPC most local codes do not approve it because as the pipe ages it will become brittle and when it is put under the stress of tree roots of rocks in the soil quite often the pipe wall will shatter in the same manner as vitreous clay tile. Don't believe the pipe wall is brittle, go to your local hardware or home supply store and examine there stock. Look for the lightweight light green or white pipe with preformed end bells. It will be labelled PVC-SDR35 on the pipe wall. Now look through the stack and see how many sections have broken end bells or chunks missing on the raw end....See MoreQuestions about drain clean out and sink venting
Comments (13)Thanks Vith. I can't imagine there's anything in that horizontal pipe. It was put in around July and that's when the problem started. When I have the left sink filled with water, and the right sink (for rinsing) starts to back-fill, if I just open up the left side for a second or 2, then the water in the right sink drains out quickly. Would that suggest it needs an AAV? If there was a vent behind the wall there, under the sink......shouldn't there be a pipe coming out of the top of the house around there? (which there isn't). The utility room (with washer, sink, toilet) does have a pipe coming out of the roof....but it's not very close to the kitchen sink. We don't ever smell sewer gas in the kitchen. Would an AAV help to prevent the suction that seems to be happening with the sink on the right? I think the same thing would happen if we reversed how we use the sinks, but I'm not sure. I'm also not sure I understand about an air-lock......which sort of seems to be what might be happening. I really don't think it's a clog. Both sinks drain great when they're both open. And my husband cleaned all those pipes out in July......and most of them are new........so a clog, at least under the sink, is highly unlikely. We do have a very old dishwasher that we have never used. (We use it to store stuff in). It isn't connected to anything under the sink........but it must have a drain somewhere......... Would that be causing this funky problem somehow? Any more ideas? Thanks for your help!...See MoreBathroom Remodel Rerouting Plumbing Drains Line
Comments (11)We are moving forward and will do the work ourselves if it comes to that. At this point the final configuration will be determined by the drains and vents required for a free standing tub, toilet and sink. As shown in the initial post, the existing constraints include log walls which cannot have any plumbing, a single internal wall which holds the vent stack that continues through the roof, maintaining entry and exit points for existing 3 inch line. I also plan to use the internal wall for the tub filler. All other plumbing will be in the existing crawl space which will require putting p traps for both the tub and the sink below the sub-floor (I know not allowed). The previous pedestal sink had the p trap below the sub-floor and we never had any problems. The entire crawl space is accessible and provide plenty of space for proper slope. The biggest challenge is venting each fixture. I really wanted to flip flop the vanity with the toilet but thought it would be really difficult to vent the toilet in that location. The design tool I am using wants to run horizontal vents to the stack. I'm sure this is not optimal. Also the tool refuses to run a vent to the sink. Our kitchen sink has an Air Admittance Valve which works well so I guess we could do the same but would prefer vent to the stack if possible. Any recommendations would be appreciated. Sorry if I don't have the all the proper terms down, hopefully the drawings make it understandable....See Moremanhattan42
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