TUNNEL REHABILITATION AND MODIFICATION SERVICES

Update tunnels to maintain high safety standards.

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What Is Tunnel Rehabilitation and Modification and Why Is It Important?

Tunnels are vital for transportation, helping people get from one place to another. Tunnel rehabilitation and modification services involve making changes to a tunnel to allow for safer operating conditions and travel. By getting the required tunnel services, you can ensure fewer problems now and for years down the line.

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Benefits of Rehabilitating a Tunnel

  • Save money by addressing tunnel problems while they’re in the early stages.
  • Reduce the need for maintenance.
  • Decrease the chance of loose material entering the tunnel.

THE STEPS

Rehabilitation and Modification Process

We perform tunnel rehabilitation and modification services to repair deteriorated sections of a tunnel. First, we’ll perform an initial tunnel review and assessment to determine if the deterioration would cause damage to a structure or passing freight. Then, we’ll choose the best rehabilitation or modification service based on the tunnel.

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NOTICING PROBLEMS WITH A TUNNEL?

When it comes to tunnel rehabilitation and modification services, you need a company that knows its stuff, and that’s where LRL Construction comes in. With our decades of experience and expertise in all things tunnels, you can’t go wrong with us. Contact us today for an estimate.
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HOW WE CAN HELP YOU

Types of Tunnel Repair Services

There are various tunnel repair services, including timber set removal, steel set installation, shotcrete, grouting, rock bolting, and scaling.

Timber Set Removal

Timber sets are removed from tunnels in preparation for shotcrete to be applied to the tunnel lining. The wood is removed because of the potential fire hazard it poses inside the tunnel.

Steel Set Installation

Steel sets are used for ground support when conditions deteriorate. Installation of steel sets may involve lagging and backfill, depending on ground conditions.

Shotcrete

Our shotcrete undergoes placement and compaction at the same time due to the force with which it is projected from the nozzle. It can be impacted on any type or shape of surface, including vertical or overhead areas.

Grouting

Grout is a thin cement mixture that’s used to fill space and voids behind and around structures. This material can act in a structural capacity to stabilize, strengthen, and support a structure.

Rock Bolting

Rock bolts are used to tie unstable or potentially unstable rock structures into the tunnel. We specialize in this service and are pleased to offer you the support you need.

Scaling

We’ll remove loose rocks from slopes to prevent them from hurting persons or property should they fall. This can promote better safety conditions for all.

Tunnel Enlargement

Some older tunnels are too small to allow passage of current freight trains, and these tunnels need to be enlarged. Methods of tunnel enlargement include notching, liner removal and installation of larger steel sets, and/or installation of rock bolts and shotcrete.

Drill and Blast

For certain projects, ground conditions require the use of explosives. That is when conventional, mechanical means are not enough.

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Why Us?

At LRL Construction, we are experts in tunnels. With our knowledge and years of experience dealing with all types of tunnel rehabilitation, you can trust that you made a good choice when you choose us. We’re reliable, responsive, and dedicated to completing your project at a fast and safe timeline.