Underground drainage problem i have to deal with

[julesverne]

I wouldnt normally do drainage of this type but its a big company i do work for so dont want to pass it on to

Water leaking up through a concrete floor in part of the factory they know their waste water its all coloured water form the water based ink waste they pour down. So my plan is to dig down to the clay drain assuming it is clay. Cut it out and connect a new a new piece. Can someone suggest the best way to connect a new piece of drain.

thanks in advance

 

[jonnyswamp]

As long as you have room, a good clean square cut either side of fracture/bad joint
Short piece of underground 4" connected with a rubber slip coupler either end
Don't remember the name of the connectors, but they have stainless jubilee clips on either side giving you a bit of leeway with the size
Plenty of sizes to chose from

ww.ebay.co.uk/bhp/rubber-coupling
This sort of thing

http://www.polypipe.com/building-pr...ge/flexicon-flexible-rubber-couplers-adaptors
First link didn't work try this
RPM got closer than me with the name

 

[rpm]

I`m thinking Flexcon or Fenox coupler or is that only for smaller pipes?

 

[rpm]

Think I may have seen these larger rubber couplers in Wickes.

 

[joni os]

Toolstation stock couplers in standard sizes, for a greater range you might have to use a plumbers merchant. Find and measure pipe before buying coupling, some old salt glazed pipe is much larger than supersleeve.
Backfill with shingle surround to limit settlement and protect pipes from further damage.

 

[plumben]

If its old earthenware/clay, dig out all around and below, mark where you want to make your two cuts to add in new section of pipe, cut in twice half way down once where you want to cut and once 4-6 inches in then remove top section of pipe so you can get grinder in and cut all the way through

Then just two jubilee connectors and some pipe

 

[plumben]

And as said above back fill with pea gravel

 

[Masood]

Firnco or Fernco couplings is what you need. .

 

[PlumbBobBob]

Williams do them
[DLMURL="http://www.tradeonlyplumbing.co.uk/miscellaneous/flexible-couplers.html"]Flexible Couplers - Miscellaneous | Trade Only Plumbing & Heating Supplies[/DLMURL]

 

[julesverne]

Thanks for all the replies guys.