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Understanding International Plumbing Code: Drainage Pipe Sizing

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Hey Everybody, I have an announcement I'm very excited to make! Because of all your support and comments, Plumber-Tom is releasing some additional resources to help you in all your plumbing needs.
Click this link to discover ALL available and upcoming resources:
plumber-tom.my...
We are excited to announce: the IPC practice tests & video courses
Also in the works are:
- UPC practice tests & video courses
-DWV venting course
International Plumbing Code Chapter 7 is all about sanitary drainage systems. This video presentation covers IPC sections 709 to 710, which gives specific information about drainage pipe sizing. This includes an explanation of the tables used to size DWV pipe, as well as multiple examples of how to size drainage pipe.
This video is based on the 2021 International Plumbing Code, so chapter 7 might look a little different than previous or later versions of the code. Generally, the code requirements do not change much from one edition to the next.
To purchase a copy of Plumber-Tom's study companion published by Upstryve, click on this link: www.amazon.com...

Опубликовано:

28 авг 2024

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Комментарии : 28

@DontLookBehindYou1 7 месяцев назад

This channel is underrated...i hope it keeps on with this info ... It's great to have an ipc specific channel.

@plumber-tom9470 6 месяцев назад

Thanks for watching.

@seanmarron8423 4 месяца назад

As a master plumber in Ohio & West Virginia, I am impressed by your presentations. Wish I had access to videos like these as a young plumber. You do an excellent job explaining in simple terms some very difficult code and meaning. Keep up the great work!

@plumber-tom9470 4 месяца назад

Thanks!

@nickschneider6911 3 месяца назад

Awesome video!

@plumber-tom9470 3 месяца назад

Thanks!

@amnydegracia7294 Месяц назад

Awesome video! Thanks!

@plumber-tom9470 Месяц назад

Thank you!

@zunairashahbaz7881 2 месяца назад

Thank you so much for explaining these.

@plumber-tom9470 2 месяца назад

You're very welcome!

@erniebrown5836 3 месяца назад

Thanks Tom. Cleared up alot for me

@plumber-tom9470 2 месяца назад

Glad it helped

@nickschneider6911 20 дней назад

Hey Tom I’m getting ready to take my exam and would love to chat with you a little before hand

@plumber-tom9470 15 дней назад

Hello. I am available for success coaching. Here is a link if you want to schedule a time: plumber-tom.mykajabi.com/offers/CLCztqaZ

@KurtDavis-y8c Месяц назад

When determining pipe size on building drain with 48.5 DFUs i see it should be 4”. But if i move past two branch lines that have 9.5 DFUs do i move to a 3”? Also if no slope is given what slop size should i use?

@plumber-tom9470 27 дней назад

Yes you can decrease the building drain pipe size as the dfus carried by the pipe decrease. Reducing from 4" to 3" when toward the end of the horizontal branch can be a great way to save money because 4" fittings and pipe cost more than 3". When no slope is given, you can go on the minimum requirements on IPC Table 704.1.

@matthewhalford2650 9 месяцев назад

So let’s say I have two bathroom units on a second story draining down to the first floor on a 3” pipe, then that 3” runs to the main sewage line under the slab. Can I tie 7 more DFUs into the 3”?

@plumber-tom9470 9 месяцев назад

On the tables in chapter 7 you will find then number of drainage fixture units for pipe sizes. It sounds like you should be fine if you have two bathroom groups and the other 7 DFUs. A bathroom group is 5 DFUs. And a 3" horizontal branch can handle 20 DFU. So it sounds like you have 17 DFU total and you should be fine.

@anabellasimbana6706 5 месяцев назад

HI Tom Thanks for your videos I learn many thing. Please this number I can found in a table 1 DFU = 7.48 GPM ?

@plumber-tom9470 4 месяца назад

That is not on the tables. But historically it is the basis for the tables

@billsnyder6945 5 месяцев назад

Thanks for the video, very informative. I am remodeling a bathroom changing a tub to a shower. Most of the drains for pans etc are 2”, but existing line is 1 1/2”. Since the rules on showerheads are 2 gpm, do I need to change it to 2”?

@plumber-tom9470 4 месяца назад

No. 1 1/2” should be ok for a shower.

@billsnyder6945 4 месяца назад

@@plumber-tom9470 thanks, I think some local codes require 2”, but I just went for plan review and mine doesn’t

@plumber-tom9470 4 месяца назад

Sounds good. @@billsnyder6945