What is Pipe Bursting?
Because it’s trenchless, pipe bursting
is the preferred method for replacing
old pipes in urban areas where
disruption to surrounding utilities,
local residences, businesses and
the environment are a consideration.
Pipe bursting involves using a winch
to pull a high density polyethylene
pipe through an old pipeline of equal
or smaller size. The old pipeline is shattered using a high-powered tool with special bursting heads that smash through the old pipe. When pulled into the old pipe, the bursting head breaks the pipe into pieces, enlarges the hole, and pushes the fragments into the surrounding soil. This limits pipe bursting to pipes that can be fractured and to
soil conditions that will absorb the old fragments.
An added benefit of using HDPE pipe for pipe bursting is its suitability for non-pressure applications like sewer lines. Because of its smooth inner walls, HDPE pipe minimizes
the chances of developing stoppages.
View Pipe Bursting videos below.
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Briarcrest Capital Improvement Project - Side Sewer PipeburstingÂ
Please call the District office at (206) 546-2494 for more information.