Cased Micropiles Subcontractor

Cased Micropiles Subcontractor

GeoStabilization International installs cased micropile systems as a specialty subcontractor — carrying compressive, tensile, and lateral loads through complex soil profiles to competent bearing with PE-stamped design submittals and full load test documentation.

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Casing drill for soil nail wall installation

Cased Micropile Scopes Need a Sub Who Owns the Engineering

Cased micropile installation is only half the scope. The load test program, structural connection design, and PE-stamped submittal your owner's structural engineer requires are the other half — and most specialty foundation subs don't bring that engineering capability. When the submittal fails owner review, your foundation schedule falls behind your steel erection by weeks.

GeoStabilization International provides cased micropile installation as a design-assist subcontract. Our in-house engineers prepare the pile design and load test program, manage the submittal cycle, and carry the PE stamp your owner's engineer accepts. Installation begins only after the design is approved.

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Cased Micropile Scope to Subcontract?

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Cased Micropile Subcontractor Capabilities

As a cased micropile subcontractor, GeoStabilization International integrates pile design, drill-and-grout installation, and structural load testing into a single managed scope.

High-Capacity Cased Pile Installation

Cased micropiles develop bearing and tension capacity through steel casing and grout column to depths exceeding 100 feet in complex soil profiles — cobbles, fill, karst, and fractured rock. GSI drills to competent bearing regardless of intermediate soil variability.

Bridge Abutment and Retaining Wall Foundations

Foundation bearing micropile systems for new bridge abutments and retaining wall footings are installed by GSI crews during the substructure phase — coordinated directly with your concrete formwork schedule.

Settlement Monitoring and Documentation

Pre- and post-installation settlement monitoring by our field engineers provides the structural documentation your project engineer needs to approve pile acceptance and release the foundation design for superstructure loading.

Why Contractors Choose GeoStabilization International as Their Specialty Sub

  • Quick Turnaround on Proposals — Receive a fixed-price subcontract proposal within 5 business days of scope submission — fully itemized and ready for your bid.
  • Experienced Engineers & Crew Safety — In-house licensed geotechnical engineers work alongside field crews on every project — with an active safety program reviewed against OSHA and industry standards.
  • Design-Build Capabilities — We carry the engineering liability and the installation performance under one subcontract — no separate design firm, no scope gaps.

How Your Cased Micropile Subcontract Works with GSI

Our design-assist process front-loads the engineering so your foundation schedule is protected from submittal delays.

Step 1

Submit Structural Drawings and Borings

Share foundation plans, boring logs, and design loads. We size the pile and load test requirements within 3 days.

Step 2

Design Submittal Under Our PE Stamp

Cased pile design, connection details, and load test program submitted under our in-house PE — one submittal, owner-ready.

Step 3

Drill Production Begins on Schedule

Casing installation and grout work performed with daily grout logs and plumb records.

Step 4

Load Test Report and Acceptance Docs

Proof and verification load test data and structural certifications delivered within 5 days of testing.

PE-Stamped?

Included — no separate engineer

PE-Stamped?

Included — no separate engineer

Micropile installation on home page project showcase

Design-Assist Micropile Engineering Under One Subcontract

The most common cased micropile schedule problem is the engineering-installation gap: the owner's structural engineer approves a pile design, the prime awards a separate foundation sub, and the field sub discovers the design doesn't match actual boring conditions. RFIs, redesign, and revised submittals consume two to four weeks. GeoStabilization International closes that gap by employing engineers and running the drill on the same project.

When a boring condition differs from the design, our geotechnical PEs revise the design and our crew continues drilling — same day. That integrated decision capability means the first pile and the last pile both match the approved design.

What Structural Contractors Say About GSI's Micropile Performance

Retaining Wall Repair for Commercial Property in Ohio

I wanted to let you know how impressed we were with your company. Time will tell how well it all worked, however, the professionalism and quality of your team was most obvious. I truly believe we could not have picked a better company for this large endeavor. I was there yesterday showing it to our owner, and was quite proud of the work you did. Everything you promised, you delivered. And though there were a couple snafus, based on a job this large, it was beyond minor and also you made it all right in the end. Thank you for that. In speaking with Tammie, our Property Manager and Dave--the quality of your guys working was top notch.

Again, ask me years from now how it is working, but if ever we had another job with your name on it, it would be a pleasure and honor to work with you again!

Landslide Repair for Infrastructure in California

“I would like to thank you and the county for repairing the road slide on Dunne avenue. The repair is excellent and the contractors were very efficient and skilled. You personally did a great job of providing information about the status of the project. My family appreciates your efforts.”

Erosion Control for Water Infrastructure in Minnesota

I am sending this to you from Duluth Minnesota where 4 of your employees just finished working on a wall they had put in for us previously. That was a few years ago after Duluth suffered a flood. We are on Lake Superior and St. Louis County wanted to help stop erosion. The guys worked during the rain and just kept on going, like little Energizer bunnies. Nice fellows, all of them!! They are certainly a credit to your company and I feel it is always good to give thanks to people for a job well done. Please let them know how much we appreciated their dedication to get the job done. We will always wish you and your team good days ahead!!

Get a Cased Micropile Subcontract Proposal

GeoStabilization International responds to subcontract scope inquiries within one business day. Call or complete the form below.

(855) 579-0536

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