Extension - building ontop of soil pipe

[Ash86]

I've just started clearing the area ready for footings to be dug for my new ground floor extension, a test hole revealed a 4inch PVC soil pipe coming from the internal stack in corner of the house straight out and across the garden.

The problem I have is this pipe is directly under where the one strip footings need to be. What are my options, can I build over the pipe (bridging it).

The pipe runs along the actual length of the footing not crossing it (which I believe is common and not a problem).

 

[pred]

This pipe, is it a brown/orange sort of colour, is it rain water or sewage?

 

[Ash86]

This pipe, is it a brown/orange sort of colour, is it rain water or sewage?

It's a 4inch orange PVC pipe, I believe it's the soil/sewage pipe that connects to the bottom of the internal (boxed in) stack in the corner of the kitchen.
Thanks

 

[pred]

The only advice I could give is to find a pub where the Irish ground workers spend their hard earned cash and get them to fix it. Sorry.

 

[noseall]

The pipe runs along the actual length of the footing not crossing it (which I believe is common and not a problem).

This is the worst case scenario and could be real headache.

How deep is the pipe?

 

[Ash86]

The pipe runs along the actual length of the footing not crossing it (which I believe is common and not a problem).

This is the worst case scenario and could be real headache.

How deep is the pipe?

The pipe is approx 700mm to the top of the pipe, I need to go to 1m deep.

 

[pred]

Have you exposed the pipe all the way along?

Does it join another pipe or head for a manhole cover?

 

[Ash86]

Have you exposed the pipe all the way along?

Does it join another pipe or head for a manhole cover?

I've exposed it for a run of 4m from the house which is more than I need for the footings (3.6m) and have not discovered any branch, junctions etc.. and there's no obvious signs of a manhole cover in my property.

Thanks
Ash

 

[Hugh Jaleak]

Suspect you have 2 options. Either move the footing or move the pipe.....

 

[Ash86]

Suspect you have 2 options. Either move the footing or move the pipe.....

I've read I can bridge the pipe with a beam and block setup in the bottom of the trench. Does this sound viable?