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Apex Rockfall Mitigation Projects

Apex Rockfall Mitigation works all over North America. We specialize in working with government agencies and municipalities as well as private business and private parties. We excel in difficult situations and have become the go to for geo-hazard stabilization and even speciality installations.

Washington State Department of Transportation

Snoqualmie Pass, WA

  • WADOT West Tinkham Rd Slope Stabilization
  • Owner—Washington State Department of Transportation
  • GC—Granite Construction
  • Date—2024
  • Apex Project Managers—Tim Bockelman & Marc Zimmerman

Apex subcontracted under Granite Construction to complete this slope stabilization project. The project occurred near Snoqualmie Pass, WA. The scope of work included 350 crew hours of scaling, 1350 LF of rock dowels, and 850 LF of rock drains.

CADOT Route 74 Ortega Hwy

Orange County, CA

  • Owner—California Department of Transportation
  • APEX Project Manager: Brandon Manahan
  • Date—2023

This project occurred along Ortega Highway within Orange County, CA. Apex was contracted to repair a slope stretching along 450 feet of the roadway. The scope of work included scaling, rockfall netting, and debris clean up.

Vermont Department of Transportation

Vermont

  • VTrans I-91 Emergency
  • Owner—Vermont Department of Transportation
  • GC—JA McDonald Inc.
  • Apex Project Manager—Tim Bockelman
  • Date—2024

This was an emergency project the Vermont Agency of Transportation. This project occurred along I-95 near Fairlee, VT. The scope of work included 1600 crew hours of scaling and 2500 LF of rock dowels.

McCook Reservoir Rockwall Stabilization

CHICAGO

  • Owner: Metropolitan Water Reclamation District of Greater Chicago
  • General Contractor: IHC Construction Companies
  • APEX Project Manager: Marc Zimmerman
  • Year Performed: 2022-2023
  • Major Scopes: – 4,480 SY Manual Scaling
  • – 106,000 LF Rock Dowels
  • – 5,064 SY Anchored Mesh

Project Description: IHC Construction contracted with Drill Tech / Apex to stabilize the near vertical walls at 34 locations within the McCook Stage 2 Reservoir. The McCook Reservoir is located along the Stevenson Expressway between the Des Plaines River and the Chicago Sanitary and Ship Canal. The project includes the installation of drain holes, rock dowels, anchored mesh, manual scaling, and mechanical scaling.

IDOT Smith’s Ferry to Round Valley

Smith’s Ferry, ID

  • Owner—Idaho Department of Transportation
  • Contractor—M.A. DeAtley Construction
  • Project Manager—Tim Bockelman
  • Date—2020-Current

Description–This project is located along State Highway 55 near Smith’s Ferry, ID. The scope of this job includes 1240 hrs scaling, 150,000 LF rock anchor bars, 1,320 LF rock anchor wire rope, 6,000 LF slope drain, 84,672 SY pinned steel mesh, 1200 SY draped mesh. 155 Unit Avalanche Umbrella System.

Boundary Dam

WASHINGTON STATE

  • Owner-Seattle City Lights
  • Contractor-Clear Water Construction
  • Engineer- Schnabel
  • Project Manager- Brandon Manahan
  • Date- 2018
  • Bridge Deck abutment stabilization
    • Spider Net Installation
    • Del Tax Installation
    • Rock Scaling
    • Cable Lashing Up to 10,000 PSI
Apex Rockfall Mitigation, NMDOT 434, Angel Fire New Mexico, Performed alignment checks for azimuth and inclination, using down-the-hole equipment, on all of the drill holes for the tensioned Rock Bolts; performed water tightness testing on 6 out of 31 tensioned rock bolts.
Apex Rockfall Mitigation, NMDOT 434, Angel Fire New Mexico, Performed alignment checks for azimuth and inclination, using down-the-hole equipment, on all of the drill holes for the tensioned Rock Bolts; performed water tightness testing on 6 out of 31 tensioned rock bolts.
Apex Rockfall Mitigation, NMDOT 434, Angel Fire New Mexico, Performed alignment checks for azimuth and inclination, using down-the-hole equipment, on all of the drill holes for the tensioned Rock Bolts; performed water tightness testing on 6 out of 31 tensioned rock bolts.

NMDOT 434

Angel Fire, New Mexico

  • Owner: New Mexico Department of Transportation
  • Contractor: Kiewit Infrastructure
  • Project Manager: Marc Zimmerman
  • Date: 2022
  • 2088 SY Wire Mesh
  • 150 LF Steel Anchors
  • 31 EA PTI Class 1 Tensioned Rock Bolts
  • 966 LF Steel Bolts

 
Performed alignment checks for azimuth and inclination, using down the hole equipment, on all of the drill holes for the tensioned Rock Bolts.

Performed water tightness testing on 6 out of 31 tensioned rock bolts.

US 50 Little Blue Creek Canyon

Cimmaron, CO

  • Owner, Federal Highway Administration
  • Contractor: Arizona Drill & Blast
  • Engineer: Granite Engineering Group
  • Project Manager- Timothy Bockelman
  • Date: 2022
  • Scaling
  • Rock Dowels
  • Draped Mesh
Apex Rockfall Mitigation, US 50 Little Blue Creek Canyon, Cimmaron Colorado, Rockfall Mitigation Companies, Safety Netting Rock, Rockfall Containment, Rockfall Prevention.
Apex Rockfall Mitigation, US 50 Little Blue Creek Canyon, Cimmaron Colorado, Rockfall Mitigation Companies, Safety Netting Rock, Rockfall Containment, Rockfall Prevention.
Apex Rockfall Mitigation, US 50 Little Blue Creek Canyon, Cimmaron Colorado, Rockfall Mitigation Companies, Safety Netting Rock, Rockfall Containment, Rockfall Prevention.
Apex Rockfall Mitigation, DADOT Rockfall Mitigation Rte. 18, San Bernardino Mountains California, Rockfall Mitigation, Drill, Grout & Install, Rock Anchors.
Apex Rockfall Mitigation, DADOT Rockfall Mitigation Rte. 18, San Bernardino Mountains California, Rockfall Mitigation, Drill, Grout & Install, Rock Anchors.

CalTrans Rockfall Mitigation Rte. 18

San Bernardino Mountains, CA

  • Owner- State Department of Transportation
  • Contractor- Powell Constructors, Inc.
  • Project Manager- Brandon Manahan /Timothy Bockelman
  • Completed 2020
  • Rockfall Mitigation
    • Drill
    • Grout & Install
    • Rock Anchors

Project Description: This job consisted of drilling to install a V140 Geoburgg debris flow Barrier and text 10% of anchors. Over 100-man hours drilling with a forklift drill.

Telluride Debris Flow Barrier

COLORADO

  • Owner, Wild Horse Properties
  • Contractor- Telluride Real Estate Brokers
  • Completed 2019
  • Project Manager- Timothy Bockelman
  • Rockfall mitigation
    • Installation of Debris Flow Barrier
Apex Rockfall Mitigation, Telluride Debris Flow Barrier, Telluride Colorado, Rockfall Mitigation Companies, Safety Netting Rock, Rockfall Containment, Rockfall Prevention.
Apex Rockfall Mitigation, Telluride Debris Flow Barrier, Telluride Colorado, Rockfall Mitigation Companies, Safety Netting Rock, Rockfall Containment, Rockfall Prevention.
Apex Rockfall Mitigation, Telluride Debris Flow Barrier, Telluride Colorado, Rockfall mitigation, Installation of Debris Flow Barrier.

Lake Crescent

WASHINGTON STATE

  • Owner- Western Federal Lands Highway Department (WFLHD)
  • Contractor- Strider Construction
  • Project Manager- Brandon Manahan
  • Completed 2017
  • Rockfall Mitigation
    • Rock Scaling
    • Rock Bolting

US Highway 34

COLORADO

  • Owner, Colorado Dept of Transportation
  • Contractor- Kiewit
  • Completed 2016
  • Project Manager- Brandon Manahan
  • Rockfall mitigation
    • Mesh Anchor Special (MAS)
    • Draped Wire Mesh
    • Rock Bolts
    • Rock Scaling
Apex Rockfall Mitigation, US Highway 34, Near Granby Colorado, North Fork Colorado River, Trail Ridge Road, Rocky Mountain National Park, Rockfall Mitigation Companies, Safety Netting Rock, Rockfall Containment, Rockfall Prevention.
Apex Rockfall Mitigation, US Highway 34, Near Granby Colorado, North Fork Colorado River, Trail Ridge Road, Rocky Mountain National Park, Rockfall Mitigation Companies, Safety Netting Rock, Rockfall Containment, Rockfall Prevention.

Telegraph Hill Phase II

SAN FRANCISCO

  • Scaling
  • Tecco Install
  • Spider Net Install
  • Shotcrete
  • PM- Jon Trombly
  • Date 2015
  • Owner- City of San Francisco
  • Engineer- Aecom

 

NDOT I-80 Moor Interchange to Oasis Interchange

Wells, NV

  • Owner, Nevada Department of Transportation
  • Contractor- W.W. Clyde & Co.
  • Completed 2019
  • Project Manager- Jon Trombly
  • Rockfall mitigation
    • Mesh Install
    • Mesh Removal

This was part of the I-80 Moore interchange project that was done by ww.clyde for the state of Nevada DOT.  It required blasting of several rock slopes to make room for a new truck lane on west side of Pequop summit.  One of the cuts required a mesh system.  Apex installed 27-20 cable anchors along the top of slope and ran a top cable that terminated then started again every 6 anchors.  Apex then hung a TECO drapery mesh system along the face of the slope. Project took about 5 weeks and was finished on time and under budget. Drilling 60 hours. Mesh hung 60,000 sq. Feet. Crane time 2.5 days.
US-24 Cable Lashing - Apex Rockfall Mitigation

US Highway 24

COLORADO

  • Owner- Colorado Department of Transportation
  • Contractor- Apex Rockfall Mitigation
  • Project Manager-Brandon Manahan
  • Completed 2018
  • Rockfall mitigation
    • Mesh Anchor Special (MAS)
    • Draped Wire Mesh
    • Rock Scaling
    • Cable Lashing
    • Concrete Barrier installation

Cave of the Winds Zipline Tour

MANITOU SPRINGS, CO

  • Owner-Cave of the Winds Adventure Park
  • Project Manager- Brandon Manahan
  • Contractor- Bonsai Design
  • Completed 2018
  • Specialized Tension Anchors for Guy Wire Systems
  • Specialized Battered Compression Anchors for Tower Foundations

Broadmoor Zip Tour

COLORADO SPRINGS

  • Owner-Broadmoor Resort
  • Contractor-Bonsai Design
  • Project Manager- Brandon Manahan
  • Completed 2016
  • Specialized Tension Anchors for Guy Wire Systems
  • Rock Scaling
  • Rock Bolts

Rocklin Quarry Adventure Park

ROCKLIN, CA

  • Owner- City of Rocklin California
  • Contractor- Bonsai Design
  • Project Manager- Brandon Manahan
  • Completed-2018
  • Rock Fall Mitigation
    • Rock Scaling
    • Rock Bolts
    • Boulder Downsizing
  • Specialized Anchor Installation
    • Battered Compression Micropiles for Tower Foundations
    • Tension Micropiles for Guy Wire Systems

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