Basement Bathroom Sink Drain Line On A Slight Upwards Slope An Issue? - Plumbing - DIY Home Improvement | DIYChatroom


Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Plumbing

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Display Modes
Old 01-08-2010, 03:48 PM   #1
Newbie
 
Join Date: Jun 2008
Posts: 13
Rewards Points: 10
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


Hi,

My basement is in the process of being finished by a hired contractor/company and I'm looking at the drain pipe for the sink and wondering if I should be worried. He tied the sink drain to the rough-in in the basement but it's on a very slight upwards slope. I tried taking a picture to show it... hopefully it's good enough.


Advertisement


Last edited by dtran; 01-08-2010 at 03:52 PM.
dtran is offline   Reply With Quote
Old 01-08-2010, 08:59 PM   #2
Newbie
 
Join Date: Dec 2009
Posts: 13
Rewards Points: 10
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


The sink will probably work fine forever, but that is definitely an example of poor craftsmanship. I would demand that it be corrected. The horizontal pipe should of had a hanger on it.

Advertisement

liquidplumber is offline   Reply With Quote
Old 01-08-2010, 09:17 PM   #3
Inspector/Instructor
 
codeone's Avatar
 
Join Date: Dec 2009
Location: NC
Posts: 369
Rewards Points: 250
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


In the plumbing code Draniage piping 2.5" pipe and smaller should have a slope of .25" per foot.
codeone is offline   Reply With Quote
Old 01-08-2010, 09:20 PM   #4
Inspector/Instructor
 
codeone's Avatar
 
Join Date: Dec 2009
Location: NC
Posts: 369
Rewards Points: 250
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


this type of piping should have at least 1 strap to support it as noted.
It requires support every 4' at least and there are none I can see.
codeone is offline   Reply With Quote
Old 01-08-2010, 09:53 PM   #5
Member
 
Join Date: Nov 2007
Location: Nashua, NH, USA
Posts: 6,976
Rewards Points: 2,048
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


Water will persist (or collect) in the section of pipe before the upslope in the same manner as water remains in a trap. The won't be any problem as long as hair or soap residues etc. have not also collected there. A potful of boiling water every so often may help keep it clear.
__________________
Forget super sized fries. The Washington Redskins could promote healthy eating with First Lady Obama by choosing a (red skinned) turnip for a mascot.
AllanJ is offline   Reply With Quote
Old 01-08-2010, 09:57 PM   #6
Newbie
 
Join Date: Jun 2008
Posts: 13
Rewards Points: 10
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


Thanks guys. That's pretty much what I thought.

BTW, FWIW, maybe it looks longer in the image, but that horizontal piping is only just under 3'.

Last edited by dtran; 01-08-2010 at 10:05 PM.
dtran is offline   Reply With Quote
Old 01-08-2010, 10:20 PM   #7
Newbie
 
Join Date: Jun 2008
Posts: 13
Rewards Points: 10
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


I know a level isn't the best way to check, but I just put one on the pipe and it's actually level. My housemate is nitpicky and has bugged the contractor several times (for other unrelated small imperfections), so I'll just go out and buy a strap to lift the one side a little giving it a slight slope downwards.

Last edited by dtran; 01-08-2010 at 10:31 PM.
dtran is offline   Reply With Quote
Old 01-10-2010, 06:05 PM   #8
retired elect/hvac/plumb
 
plummen's Avatar
 
Join Date: Jan 2010
Location: south east of omaha/The island of misfit contractors
Posts: 2,916
Rewards Points: 2,010
Default

Basement bathroom sink drain line on a slight upwards slope an issue?


tell him to cut the santee out of the stack and install new one lower down to achieve fall in pipe

Advertisement

plummen is offline   Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Drain Pipe about 20 Inches to the right of Vanity Sink mark2741 Plumbing 2 12-16-2009 11:32 AM
Installing stand-up shower in finished basement without existing drain notenoughtime Plumbing 3 05-16-2009 12:59 PM
New drains under the basement floor, guidance needed mason Plumbing 6 01-10-2009 05:58 PM
Drain for an "Outdoor Kitchen" Sink Rich Plumbing 5 08-26-2006 07:48 AM




Top of Page | View New Posts