A question for the plumbing brains trust.

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Originally Posted by POD

I've patched my live stormwater system this way, there's about a 2m head of water above the repair, no problems. Rather than split the patch pipe in half though, I slit it lengthwise down one side so I could open it up and snap it over the damaged section, that way it's self-clamping. A big hose clamp or two while the glue goes off can't hurt. Nice and clean, primer first and plenty of blue glue, the perfect crime.

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This. The patch just needs to be big enough to bond thoroughly around the hole. Use a few big cable ties after the prime and blue glue and you can backfill pretty much straight away. Ballast the patch with a suitable rock if you can't pass ties under the pipe.

Perfect for a couple of plumb quicks and a 100 mm length of pipe.
Buy the plumb quicks, measure their length, cut the pipe 2 mm larger than the plumb quick, fit the plumb quick through the cut and slide onto one piece of pipe, do it again and slide the other one the opposite way, cut s piece of pipe to fill the gap and slide the plumb quicks back onto half new half existing, then tighten.
Go and have a beer, and test your work with some water , if all good have another beer or back fill and compact in 150 mm layers.
Your now done so you've earned yourself a [emoji482]

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Originally Posted by fitzy

Plumb quicks are their trade name and this is the way to go. Do your repair very well and you can forget about it, skimp and you may be in there again.
Do it properly, do it once.

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Quote:

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Originally Posted by fitzy

Perfect for a couple of plumb quicks and a 100 mm length of pipe.
Buy the plumb quicks, measure their length, cut the pipe 2 mm larger than the plumb quick, fit the plumb quick through the cut and slide onto one piece of pipe, do it again and slide the other one the opposite way, cut s piece of pipe to fill the gap and slide the plumb quicks back onto half new half existing, then tighten.
Go and have a beer, and test your work with some water , if all good have another beer or back fill and compact in 150 mm layers.
Your now done so you've earned yourself a [emoji482]

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Fernco Plumbqwik Couplings

If you are having trouble digging the hole deeper you might need a crow bar. Alternatively you can put some water in the hole and turn the dirt to mud. it is messier but much softer....
Ian
Bittern

Job's done, the biggest issue was backfilling the hole and redigging to place a whiteant observation tube in the hole, then repaving.

Plumbkwiks require a bit of space to cobble together and as good as they are, I think in your case another approach would be better. If it was mine in that ground, I'd cut that flap away and round off the inside edge of the broken wall. Make it so smooth that nothing can catch on it. From another piece of 100mm pipe, cut a patch twice the size of the hole. Arm yourself with primer, blue glue 2mm tie wire and pliers with which you can put ties around the glued on patch, and tweak it up till it squeaks. After a good clean on both surfaces with primer, plenty of glue, patch on, and slide it about a bit. Get to it with the wire and pliers. Very tight, plenty of ties. Bury it.
Don.