Ground Improvement in North Dakota

Ground Improvement in North Dakota

Access Limited provides bentonite clay grouting and oil field infrastructure micropiles across North Dakota.

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Multiple sinkholes on site requiring compaction grouting remediation

Subsurface Challenges Across North Dakota

Badlands clinker and bentonitic clay along corridors like I-94, US-85, and Theodore Roosevelt NP create foundation and void challenges. When foundations settle or sinkholes open, North Dakota needs a contractor that diagnoses the subsurface problem first.

Access Limited provides bentonite clay grouting and oil field infrastructure micropiles.

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Subsurface Instability?

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Ground Improvement Solutions for North Dakota

Access Limited addresses subsurface instability across North Dakota with grouting, sinkhole repair, micropile foundations, and foundation underpinning — each engineered for the void, soil, and groundwater conditions beneath the site.

Compaction Grouting

Compaction grouting injects stiff mortar to densify loose soils — restoring bearing capacity beneath settled North Dakota infrastructure. Spider Excavators access steep and constrained sites.

Slurry, Permeation, and Chemical Grouting

Slurry grouting fills larger voids. Permeation grouting creates impermeable soil masses. Chemical grouting addresses fine-grained soils. Each is selected for North Dakota site conditions along corridors like I-94, US-85, and Theodore Roosevelt NP.

Sinkhole Repair

Sinkhole repair combines void-filling grouting with micropile foundations that bridge the unstable zone. Emergency sinkhole response is available 24/7 across North Dakota.

Micropiles and Foundation Underpinning

Micropiles deliver high-capacity support through variable soils. Foundation support and underpinning extend compromised foundations to competent bearing strata. Tiebacks provide additional capacity where needed.

How Access Limited Delivers Ground Improvement

Every project follows a five-step process from investigation through verification.

Step 1

Subsurface Investigation

Engineers characterize soil stratigraphy, groundwater, void locations, and bearing capacity.

Step 2

Solution Design

Grouting type, micropile configuration, or underpinning method is designed from subsurface data.

Step 3

Equipment Mobilization

Grouting equipment and Spider Excavators deploy with all materials staged.

Step 4

Construction

Grout volumes and micropile capacities are verified at every stage against design specifications.

Verification

Post-construction load testing confirms the ground improvement meets design capacity.

Verification

Post-construction load testing confirms the ground improvement meets design capacity.

Compaction grouting in progress on sinkhole remediation project

Why North Dakota Chooses Access Limited for Ground Improvement

  • Grouting Expertise — Compaction, slurry, permeation, and chemical grouting calibrated for North Dakota conditions.
  • Spider Excavator Access — Reaching steep and limited-access sites.
  • Design-Build — In-house engineers design, Access Limited crews construct.
  • Subsurface Specialists — Grouting, micropiles, sinkhole repair, and underpinning are core disciplines.

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Feedback From Projects

See why NDDOT, NPS, and oil/gas operators trust Access Limited for ground improvement in North Dakota.

Landslide Repair for Road in Wyoming

"We got notice today that GSI has completed the remediation work at the [road] Slide.  WYDOT greatly appreciates the responsiveness from GSI regarding the issues that occurred this spring.  Kirk and I were at the site last week right after they finished installing the micropiles and row of soil nails.  Everything looked great, I hope everything worked out coordinating traffic control with our maintenance folks.  Great job!, it is gratifying to work with such a professional, responsive organization."

Transformative Project for Homeowner in Minnesota

Just wanted to say that somehow your workers/artists took an ugly and scarred piece of this earth and turned it into a very pleasing and contoured piece of this earth. It looks incredible!! The fellows were all so nice and just wonderful to us. They worked so hard and were always hear early…….no goofing off…. just working. My husband suffered a traumatic brain injury in early 2012 and it has been a rough couple of years. He is almost completely healed. There were many tears and a lot of frustration. Seeing this project and the amazing workmanship put into it has really put a smile on our face. We thank your fathers for getting this company up and running. We thank you and Tim for keeping it running. Your company made a difference in our life and one we will not soon forget. It is easy to say thanks…it is hard to put into words.... but know that our thank you comes from the heart!!!

Reliable Project Support in South Dakota

Cameron, I’m glad you followed up because I don’t do a good job of telling people they did a good job sometimes and I know you’re like me if you hear nothing bad then it must have been OK. From my standpoint, you guys really helped us out by being able to get a crew here quickly which is just what we needed. As for the crew they were fantastic, pretty hands off on my end, didn’t require much of my time and did everything they said they were going to do when they said they were going to do it. Which believe me is very refreshing. So, thank you guys for all your help and I do look forward to an opportunity to work with you again.

Discuss Your North Dakota Project

Access Limited provides bentonite clay grouting and oil field infrastructure micropiles.

Call 805.727.4310

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