running wall over sewage pipe

[diy001]

im going to installing a sewage drain in to the extention,
should it be run in down from the foundations, and filled in together with the foundation?
or should i place it once the foundations have been filled 6 brick courses below external ground and run the walls over the pipe? it which case would i need to place a steel lintal over it?

 

[dilly]

building regs made me put a lintel over it,your inspecter should tell you what he wants you to do,that way you can not go wrong

 

[Static]

Would it not depend on the level of the manhole your connecting into.. if its 2m down then you will hit foundations, if its high then you can pass through the brickwork.. work out its level in comparrison to the foundations and go from there..

 

[diy001]

eaither way would i need to place a lintel over the entry of pipe.

 

[Static]

eaither way would i need to place a lintel over the entry of pipe.

Or sleeve it through the footing if deep..

 

[diy001]

static, thanks for you reply but what do you mean by sleeve it through the footing?
do you mean to say if it sewage runs through the footing then i should fill the footing with concrete? would it be ok do that? my worry is; would it give way to the weight of the concrete fill + the build on top.

sorry to sound thick, but dont have much experiance in the build world.

 

[Static]

View media item 22047As extracted from NHBC standards, sleeving is putting the flexible material around the pipe and casting it in place.. [/img]

 

[diy001]

excellent, i'll be needing more in for on this. will google it.
anyother hints and tips for problems that i may not know of?

 

[diy001]

are these sleeve things readily available at the merchants? ive google searched them to no avail.....

 

[noseall]

The thing you need to consider when building anything near or upon drains is that the building should never have an influence on the performance of the drains.

This means taking all necessary precautions regards the push of the foundations when they are near or built over to the drain pipes.

What ever way you protect them, the methods used need to be inspected and approved by building control.

Drains are fickle, particularly those with shallow falls and are powered simply by gravity. This makes them easily bu99ered.