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Fix sprinkler pipe under sidewalk.
The concentrated blast of water coming.
First find the leak by looking for escaping water or sprinkler heads with little to no flow.
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.
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.
Sprinkler lines under concrete may need to be removed for repair.
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.
Slide the pressure washing wand into the pipe and start to tap the pipe under the sidewalk as the water cuts the channel.
Then dig up and expose the damaged pipe so you can remove it.
Use a slip coupling to replace the damaged section of pipe fill in the dirt around it and you re done.
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.
Repeat the process until the pipe clears the sidewalk.
Move the pipe and hose back and forth in the trench using a sawing motion.
As you remove mud and rocks tap the end of the pipe with a sledge hammer to drive the pipe.
Grasp the pipe and the garden hose at the end farthest away from the sidewalk.
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.
If your pipe has sprung a leak you must remove the damaged section of pipe and replace it was a new one.
Under driveway pipe repair without digging excavation.
In the past it was required to bring out the jackhammers to break through your driveway in order to get access to a pipe located underneath your driveway.
Method 2 pvc pipe water this method uses water pressure to push the pipe through the dirt under the sidewalk.
Grab a sledgehammer or mallet and a block of wood to drive the chiseled end of pvc pipe cut through the soil.
Do this every two inches or so.
The most efficient and cost effective way to bore under an obstacle is to create a hole using the power of water.
