Steep Slope Drilling in Montana

Steep Slope Drilling in Montana

Engineered steep slope drilling across Montana—I-90. Design/build solutions for MDT corridors and critical infrastructure.

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Spider excavator drilling on steep slope stabilization

Steep Slope Drilling Across Montana

Montana's steep slope drilling challenges concentrate along Going-to-the-Sun Road's Garden Wall and similar Glacier National Park terrain, where argillite cliff faces combine extreme grade with environmental sensitivity — MDT and NPS both require equipment capable of reaching the terrain without the access road construction conventional rigs would need.

GSI draws on its SPIDER excavator work when scoping projects like this one across the state.

Geohazard Mitigation in Montana

Slope Hard to Reach?

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How GSI Delivers Steep Slope Drilling in Montana

Track-Mounted and Walking Excavator Drilling

GSI's SPIDER excavators reach Montana's Garden Wall argillite faces without building access roads through Glacier National Park's protected alpine terrain, satisfying both engineering and environmental requirements. GSI's Soil Nail Launcher™ capability supports this step.

Anchored Drill Platforms

Anchored drilling platforms secure to Montana's steepest mountain faces where no natural bench exists, a common condition along Going-to-the-Sun Road's most dramatic sections. This is one application of GSI's broader soil nailing expertise.

Rope Access Drilling

Rope access technicians drill Montana's most extreme Glacier National Park terrain by hand and pneumatic tools, working within NPS environmental standards no mechanized access could satisfy. GSI's engineers experience informs this approach.

This approach is informed by GSI's broader transportation infrastructure work across Montana.

Montana Steep Slope Drilling Process

GSI follows a systematic five-step process to deliver steep slope drilling solutions in MDT corridors and beyond.

Step 1

Site Assessment

GSI engineers evaluate conditions and severity at your Montana site.

Step 2

Root Cause Investigation

In-house geologists investigate the specific conditions driving the issue, referencing Montana's Belt Supergroup argillite and Precambrian metamorphic mountain terrain.

Step 3

Engineered Solution Design

Custom design matched to Montana's site-specific geology, hydrology, and infrastructure loading.

Step 4

Design/Build Execution

One team executes the engineered solution under a single MDT-ready contract.

Warranty

Design/build/warranty coverage on every steep slope drilling solution installed in Montana.

Warranty

Design/build/warranty coverage on every steep slope drilling solution installed in Montana.

Spider excavator working on steep slope

Why Montana Trusts GSI for Steep Slope Drilling

Engineered for Montana's conditions. GSI's Montana steep slope fleet satisfies both MDT engineering requirements and NPS environmental standards on Glacier National Park's most demanding terrain. It's backed by GSI's broader general contractors and our case studies capability.

Design/build delivery. A unified team manages design through construction — preventing the disconnects between engineering and field execution.

MDT specification compliance. Engineering deliverables and construction methods meet DOT requirements beginning with initial documentation.

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Client Reviews

Emergency Landslide Repair in Wyoming

In 2017, another well above normal snowpack winter and heavy spring rains resulted in 23 new landslides, which damaged or threatened WYDOT roads. WYDOT turned to GSI to help respond to these emergency situations. GSI was able to respond very quickly and in most cases had personnel on site to assess the site within 24 hours. They would provide a proposal for remediation with a preliminary design and estimated costs within 48 hours in most cases. During 2017, GSI was selected to perform remediation with contracts at six separate sites. In all cases, they were prepared to mobilize to the sites and begin work within a week of being given notice to proceed.

A unique element of these emergency contracts was a partnership, between WYDOT and GSI, by which WYDOT provided some logistical support such as traffic control and providing water for drilling operations so that GSI could focus its efforts on performing the specialty work. This arrangement resulted in cost effective, efficient, successful projects. When responding to emergency landslide repair, time truly is money, the sooner a landslide can be remediated before it has a chance to grow, the less expensive it is to repair. In the past, WYDOT has experienced situations in which, landslides could possibly have been remediated quicker, experienced further failure during drawn out conventional design and contracting methods resulting in higher costs due to the additional failure. GSI uses various types of innovative geo-technology in their landslide remediation projects….

All of these projects were completed on schedule, even with cold weather conditions and snow storms ….

All of the stabilization projects that GSI completed for WYDOT included a warranty to repair any of the remediation that would happen to fail, but to date none of the work that they have performed has required any repair. I would highly recommend GeoStabilization International to perform emergency landslide and slope remediation work. They have the resources, personnel, and expertise to respond to your emergency in a timely, professional manner.

Roadway Repair in Montana

In handwritten note to Brett Gustafson, Project Manager for GeoStabilization: “Brett – Thank you for your quick response to reopen Blue Slide Road in Sanders County.  Your talented team was available to complete a road for the public to travel on in less than 45 days.  Mother Nature has challenged us in Montana this year with moisture in all forms, and we appreciate your resilience in the face of those challenges.  Sincerely, Steve Bullock.

Slope Remediation for Mining Operations in Canada

[Our] team wishes to express its gratitude for the excellent work that Steve Wahl performed for us this summer at [our mine]. Undoubtedly, there were times in which difficult circumstances occurred, and Steve was able to provide prompt, measured input as to his recommended approach. Of particular note, the entire summer was performed without an injury or loss time incident, and many of our slope remediation structures were repaired allowing us to continue safely mining.

Steep Slope Drilling in Montana

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