Pipe Bursting


Pipe Bursting is a trenchless method for replacing buried utility pipelines such as sewer, water or gas pipes without the need for a traditional open trench construction.

Pipe bursting sometimes referred to as Pipe Cracking, Pipe Splitting, Pipe Eating, Pipe Displacement and Pipe Replacement can be either pneumatic, hydraulic or static pull.

Pipe bursting can also be used to increase pipeline carrying capacity by replacing smaller pipes with larger known as "upsizing". Allen Watson Limited have experience in both size for size replacement and upsizing pipelines.

Pipe bursting is a trenchless means of replacing a current pipe utilising an existing but failing asset. The principle behind pipe bursting is to fracture the existing, deteriorating pipe displacing this into the surrounding ground while pulling the new replacement pipe into position without the need to excavate or remove the existing pipe.

Pipe bursting is most appropriate when a trenchless method of replacing an aging or damaged pipeline is required. Pipe bursting supplants the existing pipe forming a path for a new pipe as the existing pipe is displaced and because there's no need to remove or dispose of the old pipe, project time and cost is minimised.


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Allen Watson Limited

Offices at:
- Horsham, West Sussex
- Harlow, Essex
- Barnsley, South Yorkshire

01403 790772

Case Studies

Wessex Water Engineers site visit
Allen Watson Limited latest project was visited by Wessex Water Engineers to witness the installation of DN225 Naylor Denlok VC pipes by guided Auger boring

Press release - Allen Watson Acquisition
Trenchless contracting services added to The Cappagh Group's technical capabilities following Allen Watson Limited acquisition.

Drive Shaft under construction
Allen Watson Limited are currently on a Southern Water project titled Ebbsfleet green, Swanscombe subcontract works which requires the installation of pipelines.

Social Media

Allen Watson complete another deep pipe installation for a prestigious housing development on the banks of the rive… https://t.co/54WUphtQUe

AWL continue to invest in new equipment with the delivery of the first of four new vans complete with full livery.… https://t.co/wYU8AEy4rh


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