The most efficient and cost effective way to bore under an obstacle is to create a hole using the power of water.
Fix sprinkler pipe under sidewalk.
Dig up the dirt above the bad pipe with a shovel you will probably also need a hand trowel to dig up the dirt under the pipe.
You will want to have at least 6 inches 15 2 cm on each side of the break clear and enough room for you fist underneath the pipe.
Grasp the pipe and the garden hose at the end farthest away from the sidewalk.
Method 2 pvc pipe water this method uses water pressure to push the pipe through the dirt under the sidewalk.
Now using a pvc pipe cutter cut the piece of schedule 40 pvc pipe about two to four feet longer than the width of your sidewalk or driveway.
Then dig up and expose the damaged pipe so you can remove it.
A damaged sprinkler line that sits under concrete should be repaired right away because a leaky supply line can lead to severe problems with the sprinkler system.
Grab a sledgehammer or mallet and a block of wood to drive the chiseled end of pvc pipe cut through the soil.
Slide the pressure washing wand into the pipe and start to tap the pipe under the sidewalk as the water cuts the channel.
Sprinkler lines under concrete may need to be removed for repair.
As you remove mud and rocks tap the end of the pipe with a sledge hammer to drive the pipe.
We now offer a much better solution.
Use a slip coupling to replace the damaged section of pipe fill in the dirt around it and you re done.
First find the leak by looking for escaping water or sprinkler heads with little to no flow.
First dig your trenches on either side of the walk to the depth of the rest of your sprinkler system usually about 6 12 inches minimum.
It is no longer a destructive job to repair or replace pipes underneath a residential driveway.
Protect the end of the pipe with a block of wood to prevent cracking it with the sledge hammer.
Repeat the process until the pipe clears the sidewalk.
This article explains how to dig and run pipe under an obstacle such as a driveway or sidewalk.
If your pipe has sprung a leak you must remove the damaged section of pipe and replace it was a new one.
The concentrated blast of water coming.
Move the pipe and hose back and forth in the trench using a sawing motion.