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

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

Reply
 
Thread Tools Search this Thread Display Modes
Old 03-23-2009, 11:42 AM   #1
SAS
Newbie
 
Join Date: Mar 2009
Posts: 18
Rewards Points: 10
Default

cement truck over sewer line


I'm looking at pouring a slab in my backyard. I recently dug in a 4" schedule 40 sewer line that connects to the cast iron main - also in the backyard. It connects at about 4 feet underground and the run of the sewer line gradually rises from that 4 feet to about 18".

My question is whether it is safe to drive a cement truck over this connection and new sewer run. The cement truck would drive over the Ell connection to the cast iron main. It's 4 feet underground and we backfilled and tamped as best we could, but there is still inevitable settling that will take place. The truck would also drive over some of the 4" pipe at a place where it is about 24"-30" deep.

Do you think this is OK? The concrete guys do, but they're also looking for the easiest way to get the job done.

Thanks for the advice.

SAS is offline   Reply With Quote
Old 03-23-2009, 01:10 PM   #2
Newbie
 
Join Date: Mar 2009
Location: Way down yonder
Posts: 13
Rewards Points: 10
Default

cement truck over sewer line


If your pipe was properly bedded, backfilled, and compacted you should be OK.

porchmonkey is offline   Reply With Quote
Old 03-23-2009, 01:15 PM   #3
Member
 
47_47's Avatar
 
Join Date: Sep 2007
Location: Springville, NY
Posts: 1,483
Rewards Points: 554
Default

cement truck over sewer line


You could put down planks over the pipe to distribute the trucks weight.
__________________
What we've got here is... failure to communicate. Some men you just can't reach. So you get what we had here last week, which is the way he wants it... well, he gets it.
47_47 is offline   Reply With Quote
Old 03-23-2009, 03:00 PM   #4
HVAC / Plumbing
 
Join Date: Feb 2009
Posts: 1,801
Rewards Points: 1,000
Default

cement truck over sewer line


IMO I wouldn't risk it.. It may take a little longer but, There are other means ( machinery) to get the concrete to the area
kenmac is offline   Reply With Quote
Old 03-23-2009, 04:15 PM   #5
Remodeling Contractor
 
Join Date: Dec 2008
Location: Sandy Hook, CT
Posts: 3,590
Rewards Points: 2,000
Default

cement truck over sewer line


They do not look for the easiest way, he is just giving his opinion as we do here. 2-3' is not very deep. You do not know the soil conditions or compaction. I would not chance it. Power wheel barrows are great for this work
Bob Mariani is offline   Reply With Quote
Old 03-23-2009, 04:24 PM   #6
Member
 
Join Date: Jan 2009
Location: South of Boston, MA
Posts: 17,248
Rewards Points: 2,000
Default

cement truck over sewer line


How wide was the trench?
Scuba_Dave is offline   Reply With Quote
Old 03-23-2009, 05:47 PM   #7
Newbie
 
Join Date: Feb 2009
Location: New Egypt, NJ
Posts: 11
Rewards Points: 10
Default

cement truck over sewer line


Compaction and soil conditions are everything. I crushed a 10 foot section of Schd 40 at a 4 ft depth where the ground was a little soft. I go with the person reccomending the planks for weight distribution.
AJ&J is offline   Reply With Quote
Old 03-23-2009, 06:17 PM   #8
Master General ReEngineer
 
Bondo's Avatar
 
Join Date: Dec 2007
Location: Chaumont River, Ny.
Posts: 3,683
Rewards Points: 2,000
Default

cement truck over sewer line


Quote:
I go with the person reccomending the planks for weight distribution.
Ayuh,... A few sheets of 3/4" plywood would go along ways,... Cheap Insurance....
Bondo is offline   Reply With Quote
Old 03-24-2009, 07:50 AM   #9
SAS
Newbie
 
Join Date: Mar 2009
Posts: 18
Rewards Points: 10
Default

cement truck over sewer line


Quote:
Originally Posted by Scuba_Dave View Post
How wide was the trench?
About 12", but at the point where the connection was made it was a 3' x 4' foot hole about 5 feet deep.
SAS is offline   Reply With Quote
Old 03-24-2009, 07:52 AM   #10
SAS
Newbie
 
Join Date: Mar 2009
Posts: 18
Rewards Points: 10
Default

cement truck over sewer line


Quote:
Originally Posted by Bondo View Post
Ayuh,... A few sheets of 3/4" plywood would go along ways,... Cheap Insurance....
Do you think that that would hold a fully loaded cement truck? I was thinking 2x10s...
SAS is offline   Reply With Quote
Old 03-24-2009, 08:27 AM   #11
Member
 
47_47's Avatar
 
Join Date: Sep 2007
Location: Springville, NY
Posts: 1,483
Rewards Points: 554
Default

cement truck over sewer line


I too was thinking 2x material. I would NOT let the truck drive over the connection hole, just lay the planks perpendicular to the trench.

This is my opinion only, ultimately it is your decision.
__________________
What we've got here is... failure to communicate. Some men you just can't reach. So you get what we had here last week, which is the way he wants it... well, he gets it.
47_47 is offline   Reply With Quote
Old 03-24-2009, 09:00 AM   #12
Member
 
Join Date: Jun 2008
Posts: 850
Rewards Points: 516
Default

cement truck over sewer line


2x planks will snap like a toothpick to even a half full cement truck. Better find some bridge plank material. 'Here' that would entail finding where the county crew took out an old bridge lately and reclaiming a bunch of old used stuff. A double layer would not be too much,,and it better be on hard level surface,no holes or voids under neath. recently dug up soft dirt WILL collapse under truck weight if its damp. has it rained in the last two weeks?? Your 2X material MAY work to run a manuel wheel barrow on. If its A LOT of cement get a pumper ,,,but costs are going up quick!!!
4just1don is offline   Reply With Quote
Old 03-24-2009, 10:14 AM   #13
Remodeling Contractor
 
Join Date: Dec 2008
Location: Sandy Hook, CT
Posts: 3,590
Rewards Points: 2,000
Default

cement truck over sewer line


I've tried to use 2X materials and several sheets of plywood moving cement with my skid steer bucket and it still will snap these materials. Like you said it is your opinion that counts and it is you that has to hear about the yard smell to your neighbors after you break the sewer line.
Bob Mariani is offline   Reply With Quote
Old 03-24-2009, 10:57 AM   #14
Member
 
47_47's Avatar
 
Join Date: Sep 2007
Location: Springville, NY
Posts: 1,483
Rewards Points: 554
Default

cement truck over sewer line


SAS,

I just re-read the entire thread and I missed Bob's first post about not knowing the soil conditions and compaction. Sorry for my misinformation.

I would not chance it.
__________________
What we've got here is... failure to communicate. Some men you just can't reach. So you get what we had here last week, which is the way he wants it... well, he gets it.
47_47 is offline   Reply With Quote
Old 03-24-2009, 12:15 PM   #15
SAS
Newbie
 
Join Date: Mar 2009
Posts: 18
Rewards Points: 10
Default

cement truck over sewer line


Quote:
Originally Posted by 4just1don View Post
2x planks will snap like a toothpick to even a half full cement truck. Better find some bridge plank material. 'Here' that would entail finding where the county crew took out an old bridge lately and reclaiming a bunch of old used stuff. A double layer would not be too much,,and it better be on hard level surface,no holes or voids under neath.
That's a good idea, but then I also have to have a fairly heavy truck to haul that material in...

Quote:
Originally Posted by 4just1don View Post
recently dug up soft dirt WILL collapse under truck weight if its damp. has it rained in the last two weeks?? Your 2X material MAY work to run a manuel wheel barrow on. If its A LOT of cement get a pumper ,,,but costs are going up quick!!!
It rained a week ago. The deepest section is fairly shaded as well. It's probably still damp down there.

SAS is offline   Reply With Quote
Reply

Tags
cement, concrete, sewer, truck, underground


Thread Tools Search this Thread
Search this Thread:

Advanced Search
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
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
Siding: Cement Vs. Cedar Grumpy Remodeling 5 03-19-2005 01:07 PM
Main Sewer Line repair Unregistered Plumbing 3 03-14-2005 07:10 AM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.