How to slope a drain with the right level.

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[@chrisv4640]

We want 0.25 inch (1/4 inch or 2%) per foot inside a building but once we get out to the main sewer we want 0.125 inch (1/8 inch or 1 %) of slope in our drain lines where I live. If a level doesn't have the extra lines, you can also estimate by using 1/4-1/4 of the bubble length as your guide. So when you have 1/4 of the bubble over the line you are in the right range.

[@susantau]

What is the required pitch for the stretch of pipe between the point where it exits building and where it meets up with main sewer? still 1/4" per foot?

[@tomseely1429]

I think any level can do this. I heard the term "half bubble", referring to the bubble being evenly split on the line, represents a 1/4" slope. I found this video while checking to see if that's accurate. Empirically that matches your demonstration. Thanks for the tip.

[@Physicsduck]

Interesting! Thank you, Sir!

[@MrDefyreality13]

Yes and no. Some levels have a tapered vial. To hyper exaggerate an out of level state. They usually claim to be "more accurate". I have the same 12" empire level he has around here somewhere. I'd be guessing that the slope vial Atleast, has a consistent diameter.
The kapro one I have in my hand right now, has a very pronounced taper on the vials. I still don't trust this one for pipe slope

[@RK-df1tk]

Works on my my older, magnetic Swanson 4'
Thanks for the info...I never paid attention to the additional graduation marks and had no idea!

[@Brian-ho1td]

Thanks for the video, how do you keep a vertical stub level coming off say a horizontal tee on the main line if the pipe is sloped?

[@oscargo29]

"Different level man" 😂😂 Thanks for video. Very informative.

[@LtKernelPanic]

Pretty sure my 4 foot Stanley level I bought eons ago has the dual lines. Very handy if you need to slope something.

[@davidbadstibner]

Thanks, exactly the info I wanted to know. Did a test on my level. Have to estimate to get 1/2” unfortunately. No line. I’m just doing a down spout with PVC under the ground. So, estimating will do for this job.

[@transistorbaluba]

i have a cheap level, about 12ich long... it does has slope levelstripe... thx for heads up. I dont know the slope "minimum required" in Norway.

[@NickHorvath]

my irwin 6ft level does not have the outer lines. also my random china torpedo level does not have. maybe specific to empire? I'm curious if it's patented by them...

[@ForfeMac]

Going along this topic, I could go on for 30 minutes about how to use a speed square, and some of the old timers I used to work with could go for hours.

[@Frostymids]

You said nuts lol

[@cocobj8116]

I am still confused for the 4 feet level
What is the meaning of first line for 4 feet level?

[@chrisg0001]

1% slope or 1/8th inch per foot

[@SamSitar]

nice tidbit.

[@SeamusJohnsonMusic]

very cool!