Sewer Line - Plumbing - DIY Home Improvement | DIYChatroom

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


Thread Tools Display Modes
Old 05-23-2009, 06:40 PM   #1
Join Date: Apr 2009
Location: KS
Posts: 747
Rewards Points: 730

sewer line

The question is....should I replace my cast iron sewer line outside with PVC?

Here is the story....

Building a pond directly above the line. The pond will be almost 3' deep, the line is 4'+ below grade. The house was built in 1915 and I'm sure the line is original to the house. The cast inisde has, and will be, all new PVC to 4' outside the foundation wall to a PVC cleanout.

The cast taken out of the house looks like some of it has started to corrode through, but the inside walls aren't horrid. I have exposed about 4'-5' of the cast that will be under the pond, because I wanted to see what it looks like. The part exposed looks very good. No visible cracks or rust. There is a small playground/deck area along the back 25' of my lot, so I can't replace that, which leaves about 30' of possible line to replace. Some of which is under a HUGE Silver Maple.

I should also note that when I bought the house from a foreclosure last April I had to have it snaked within 30 days of buying the house and 45 days later, I had to have plumber out again to get another backup taken care of. The 2nd time all they did was use a bladder to clear a clog. We then put root killer and something else down the drain and haven't had any issues in the last year.

So with all of that and given that I will be within about a 1'-2' of the line for 16' of the line, should I just do the extra work and dig it out and replace it while I'm there or just leave it alone and not fix what isn't yet broken? Even though the cast is about 100yrs old. I've had 4 people say they wouldn't mess with it, but none of them are experts or plumbers. One is a neighbor who lives 4 houses down and just opened his line up to tie into it for a garage and said his was clean.

Thanks for any input here, I don't know what to do. I don't mind the digging, but don't necessarily need the extra work.


Master Brian is offline   Reply With Quote
Old 05-23-2009, 06:58 PM   #2
Join Date: Mar 2009
Posts: 780
Rewards Points: 500

Better check with local building dept. and health dept. In this area you are not allowed to pond over a utility.


hayewe farm is offline   Reply With Quote
Old 05-24-2009, 09:36 PM   #3
Join Date: Apr 2009
Location: KS
Posts: 747
Rewards Points: 730

Originally Posted by hayewe farm View Post
Better check with local building dept. and health dept. In this area you are not allowed to pond over a utility.
I hadn't even thought about that. I actually have decided to move the pond to a different area, that way, I don't have to worry. So the question still is out there....replace or don't replace the cast with new PVC? It'd be about 40-50' of digging, which actually has been going pretty easy to this point.

Or do I wait until a problem exists? The pond won't be over the sewer, but I will have stone patio, and a small garden/plant area.
Master Brian is offline   Reply With Quote
Old 05-25-2009, 12:53 AM   #4
Plumbing Contractor
JDC's Avatar
Join Date: Mar 2008
Location: Cincinnati, OH
Posts: 398
Rewards Points: 262

If it were me, I'd replace it before anything was put over it. My thinking is if I go to all the trouble to have a nice patio and garden area and I may have to destroy and rebuild them both should there be a problem....well why not eliminate the problem before it happens. There are some who will argue that you should leave well enough alone and thats not an entirely bad way of looking at it. If a problem did develop in the future there is pipe bursting or pipe lining available, but usually at a premium cost.

Like I said, if it were me I'd replace it now while you've got the project adrenaline running. You know the old ounce of prevention is worth a pound of cure.

Good luck!
JDC is offline   Reply With Quote

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
Broken, busted, clogged storm sewer line... Upstate Steve Plumbing 1 04-07-2009 11:26 AM
Sewer Drain Issues allenzachary Plumbing 20 03-03-2009 07:09 PM
sewer line back fall oakie14 Plumbing 2 09-04-2008 05:36 PM
Leaky sewer line rockabelly Plumbing 10 09-12-2007 09:39 PM
Main Sewer Line repair Unregistered Plumbing 3 03-14-2005 07:10 AM

Top of Page | View New Posts


Search Engine Friendly URLs by vBSEO 3.6.1