Go with the flow- Drainage pipes

By
Home Inspector with NCW Home Inspections, LLC
http://actvra.in/TQW

Go with the flow-  Drainage pipes

 

Now when it come to reduction, if it is my waistline I am all for it.  But some things are not meant to be reduced.

 

 

Plumbing reducer Chelan Home Inspections

 

Here we have a drain coming out and then attaching to the trap. If you look closely you will see there actually is a reducer installed.  

 

Oh oh… this is not my waistline and since it is a drain you cannot reduce the drain line in the direction of flow. There is a good reason for this. If the flow amount exceeds the drain size then you can get a back up and then it can overflow.

 

Improper use of reducer Wenatchee Home Inspections

 

Even if this was not a problem then there is this little thing called code. I know we are not code inspectors but knowing this is not right you have to say something.

 

From the 2008 IRC (International Residential Code)

 

P3005.4 Drain pipe sizing. (IPC 704.2)

Drain pipes shall be sized according to drainage fixture unit (d.f.u.) loads. The size of the drainage piping shall not be reduced in size in the direction of flow.

 

So there we have it. It is not right and should be corrected. I think it is time to call in your local plumbing contractor and have it done right.

 

“If you think it's expensive to hire a professional to do the job, wait until you hire an amateur.”

Red Adair

 

NCW Home Inspections, LLC  is a Licensed Washington State Home Inspection service located in Wenatchee Washington serving Chelan County, Douglas County, Kittitas County, Okanogan County and Grant County Washington and the cities of Wenatchee, Leavenworth, Cashmere, Oroville, Cle Elum, East Wenatchee, Quincy and many more…  

 

Your Wenatchee and Chelan Professional Real Estate, Home and Structural Pest Inspection Service

 

www.ncwhomeinspections.com                                               509-670-9572

 

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Tags:
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drain reduction
drain pipes

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Rainmaker
692,665
Clint Mckie
Desert Sun Home, commercial Inspections - Carlsbad, NM
Desert Sun Home, Comm. Inspection 1-575-706-5586

Hi Donald,

Looks like Uncle Bob was in your area.

Too many home owners watch the DIY shows and think they can handle the repairs. NOT.

Have a good day in the Great Northwest.

Best, Clint McKie

Apr 18, 2013 06:57 AM #1
Rainmaker
311,812
Fred Hernden
Superior Home Inspections - Greater Albuquerque Area - Albuquerque, NM
Albuquerque area Home Inspector

Oops, I'm sure the plumbing final was done propery, and they changed it after he left :-)

I'm with you on the waistline reduction!

Apr 18, 2013 02:33 PM #2
Rainmaker
385,402
Donald Hester
NCW Home Inspections, LLC - Wenatchee, WA
NCW Home Inspections, LLC

Clint, He shows weekly ;)

Fred, Yep I am sure that how it was done ;)

Apr 18, 2013 07:48 PM #3
Rainmaker
1,280,591
Jay Markanich
Jay Markanich Real Estate Inspections, LLC - Bristow, VA
Home Inspector - servicing all Northern Virginia

That's not a reducer Don.  That is the old sideways trap, intended to get water to flow more quickly.  The "reducer," as you call it, is nothing more than the equivalent of the top of a water slide at the fun park!

Was it you who wanted photos of metal fireblock under a bath tub?  Had two yesterday.  Send me your email and I will forward the photos.

Apr 19, 2013 03:37 AM #4
Rainmaker
647,659
James Quarello
JRV Home Inspection Services, LLC - Wallingford, CT
Connecticut Home Inspector

I'm impressed you could even see it up through the floor. 

Apr 21, 2013 04:39 AM #5
Rainmaker
385,402
Donald Hester
NCW Home Inspections, LLC - Wenatchee, WA
NCW Home Inspections, LLC

Jay, That is good ;)

Jim, there was other reasons why I was looking closer.

Apr 21, 2013 07:04 AM #6
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Rainmaker
385,402

Donald Hester

NCW Home Inspections, LLC
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