Collapsed or crushed pipe
When the pipe has lost its shape, bursting can replace it where lining cannot.
Trenchless Pipe Replacement
Pipe Bursting in Knoxville, TN
A bursting head breaks the old pipe outward while a brand-new pipe is pulled in right behind it.
- DiggingSmall entry and exit pits
- MethodPull-through
- ResultAll-new pipe
Pipe bursting replaces a failed pipe with an all-new one along the same path. A hydraulic or pneumatic bursting head is pulled through the old pipe, fracturing it outward into the surrounding soil, while a new HDPE pipe is pulled in behind it. Only two small pits are needed, one where the new pipe goes in and one where the head enters. It is a smart option when a pipe is too collapsed, offset or deteriorated for lining, and it avoids the long open trench of traditional replacement.
We locate and inspect the pipe, plan the pull path, check for conflicting utilities and dig small entry and exit pits. The new fused pipe is pulled through in one continuous run. We reconnect the ends, test the line and restore the pits. Because bursting can enlarge the pipe size slightly, it can improve capacity as well. We explain soil, depth and nearby structures plainly, and we recommend lining instead when it is simpler and more suitable.
When this is the right call
Severe offsets and sags
A new straight pipe corrects what lining would follow.
Orangeburg and deteriorated clay
Fragile old pipe is a strong bursting candidate.
Need for larger capacity
Bursting can upsize the new pipe slightly.
From first call to final video
- 01
Inspect and locate
We confirm the route, depth and any nearby utilities.
- 02
Dig access pits
Two small pits replace a long trench.
- 03
Pull the burst head
The old pipe is fractured and pushed into the soil.
- 04
Pull the new pipe
Fused HDPE follows the head through the same path.
- 05
Reconnect and test
Connections are made and the line is tested.
Drag to compare.
Benefits that show up above ground
All-new pipe
Not a repair of the old one, a complete replacement.
Small footprint
Two pits instead of a full-length trench.
Fused, jointless HDPE
Flexible pipe with no joints to open.
Can upsize
Capacity can be improved.
Pipe Bursting: answers
Is bursting messy?
It is far less disruptive than open-cut digging. There are small pits and a short work window.
Can bursting damage nearby utilities?
We locate and plan around utilities first, and some sites may not suit bursting.
What pipe goes in?
Typically fused HDPE, chosen for the line and local requirements.
Can I choose lining instead?
Often yes, and we explain which option fits your camera findings.
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