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Pipe Bursting Access Pits

Pipe bursting uses carefully located launch and receiving pits to insert bursting equipment, pull new pipe, and make final connections. Pit size and location depend on depth, pipe size, machine requirements, bend radius, new-pipe assembly, utilities, structures, soil, and safe working space.

Warning Signs & Reasons to Schedule Service

  • A trenchless replacement proposal does not identify pit locations.
  • The route begins or ends near concrete, landscaping, structures, or utilities.
  • The new pipe requires a long assembly area.
  • The service is deep or has limited equipment access.
  • Branches or fittings may require intermediate exposure.

What the Process Usually Includes

1

Choose pit locations

Endpoints, cleanouts, foundation entries, mains, fittings, utilities, restoration, and equipment travel are reviewed.

2

Size for the system

Machine dimensions, bursting head, pipe bend radius, depth, shoring needs, and connection work determine excavation size.

3

Excavate and support

Pits are opened with appropriate access, spoil handling, groundwater control, and protective measures.

4

Complete connections and restore

After pulling, the pipe is connected, tested, bedded, backfilled, compacted, and restored to the agreed scope.

Advice for Common Situations

1

Small pits are not always better

Undersized pits can make connections unsafe, damage new pipe, or require expansion during work.

2

Protect the new pipe bend radius

Forcing pipe through a tight angle can stress or kink it.

3

Plan launch-space length

Fused or continuous pipe may need substantial staging room outside the pit.

4

Include restoration for every pit

Separate surfaces may be disturbed at both ends and at branch connection points.

Pipe Bursting Access Pits FAQs

How large are pipe-bursting pits?

There is no standard size; depth, diameter, equipment, pipe material, and connection geometry determine each pit.

Can an existing cleanout be used?

It may help with locating or access, but most bursting systems still require excavation sized for equipment and connections.

Will both pits be on my property?

Not necessarily. The route and utility connection may place one near a right-of-way, easement, or property boundary.

Can pits be placed to avoid a driveway?

Sometimes, but route, depth, connections, utilities, equipment, and pipe bending requirements control feasibility.