I need to run a 3/4″ irrigation water line about 12′ under a 4″ concrete patio to get from a hose bib to a flower bed. I REALLY don’t want to break up and redo the concrete. Best idea I have come up with is to hammer a 1″ ID steel pipe (with a cap on the end to keep the dirt out) under the concrete horizontally. Because of tight clearances, I would have to do this in 3′ sections joined together. If successful I would remove the end cap and run the plastic line down the pipe to the flower bed.
Has anyone a better idea? Many thanks, Karl
Replies
water jet it....
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming
WOW!!! What a Ride!
Forget the primal scream, just ROAR!!!
With a power washer? Or something different. Location is behind a high walled patio, access is difficult and impossible for big equipment. Turning a power washer to jet and sliding it down the hole it bores might work -- thanks, Karl
use yur garden hose....
the BB's have the kits and instructions on the how to....
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming<!----><!----><!---->
WOW!!! What a Ride!Forget the primal scream, just ROAR!!!
the water jet kits can be found in the BBs with the rest of the irrigation stuff.
Buy your PVC in 20' length and cut after you have run your pipe under the slab.
Attach the business end of your garden hose to an end of the pipe using a fitting made for that purpose or just use some plastic tape to hold it in place.
Dig a hole on both sides of the slab, bigger on the start side. Start the water. Direct the end of your pipe in the general direction of the hole on the other side of the slab, guiding the pipe with downward pressure from your trailing hand while exerting upward pressure with your leading hand to keep the pipe level.
Then push. It should, depending on your soil, move right through in a matter of seconds.
You can overdo it if you take forever to position the pipe because the water just keeps on washing the soil away. Maybe use another person to control the valve while you push.
We do this all the time for running electrical conduit. What you want to do is drive a 1 1/4" PVC conduit under the concrete and then slide the water line through it.
If the soil is light, a garden hose with a good jet nozzle works. Run the hose in right to the end of the conduit to soften the soil and then drive the conduit in a foot or so at a time. Let the hose flush the dirt out of the conduit and repeat as necessary.
We use a power washer equipped with a quick coupler that attaches to 1/2" galvanized pipe with a special multi directional nozzle especially made for this screwed on the end of the pipe. We add sections as necessary.
But the process is always the same. Drive the conduit and then slide the wire or hose or whatever through the conduit.
I don't think you will get far hammering the pipe without water blasting also.
Run around the slab?
Jeff
Awesome. I'll try the water route - really appreciate the help. Thanks to all, Karlsf