Our Projects

I-10 / I-19 TI, Tucson, AZ

Conditions:
Sands, Gravels, Cobbles & Bedrock

Work Performed:
Complete testing of large diameter (8-ft) pier testing project. Tubex 10-ft and Cored 90-ft (bottom of pier) to check for possible voids in the pier construction to correlate with gammaray testing results. Performed entire geotechnical drilling for the soil sampling program that included borings to 130-ft depth.

Ruidoso State Route 70, Ruidoso, NM

Conditions:
Sands, Gravels, Cobbles & Bedrock

Work Performed:
Mobilized 4 drill rigs and support equipment for the first phase of a geotechnical sampling for realignment studies. This borehole advancement was employed by 3 different drilling systems consisting of Hollow Stem Auger, Tubex, NQ Wireline Core.

Johnson Camp Mine, Dragoon, AZ

Conditions:
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Work Performed:
In support of limestone mineral exploration for Portland cement project. Used 5" dia Tubex casing advance followed by 4" dia direct hammer to depths varying from 50 to 100-ft.

Rosemont Copper Mine, Tucson, AZ

Conditions:
Sands, Gravels & Bedrock

Work Performed:
Geotechnical exploration that included Auger and Tubex that was combined with core systems and in-place Packer testing of the rock for infiltration hydrology study.

Mullins Landfill, Tucson, AZ

Conditions:
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Work Performed:
Installation of 4" dia sleeved methane extraction wells. Also installation of multi- stage ½" methane test probes. Auger program to determine the cap thickness of the landfill.

Residential Forensic, Tucson, AZ

Conditions:

Work Performed:
Forensic investigations of failing foundations that can only be accessed from the interior of buildings, warehouses and homes employed GSI's Limited-Access auger rig as the opening size was constricted to a 36" wide opening.

La Cholla, Tangerine TI Improvement, Tucson, AZ

Conditions:
Sands, Gravels

Work Performed:
A limited terrain-access constricted site employed the track drill rig to obtain geotechnical samples using hollow-stem augers on slopes and ridges inaccessible to conventional truck mounted rigs.

Loop 303 – Happy Valley Rd to Lake Pleasant Rd & Indian School Rd to Peoria, Phoenix/Peoria, AZ

Conditions:
Sands, Gravels & Cobbles

Work Performed:
Geotechnical exploration for freeway design that included a series of Auger / Hammer borings o depths of 100-ft. Also a series of backhoe test pits.

I-17 / Dove Valley TI, Phoenix, AZ

Conditions:
Sands, Gravels, Cobbles

Work Performed:
Geotechnical exploration for freeway design that included a series of Auger / Hammer borings to depths of 100-ft.

SR 87 Emergency Slope, Sunflower, AZ

Conditions:
Sands, Gravels, Cobbles & Bedrock

Work Performed:
Geotechnical exploration for embankment and slope repair that included a series of Auger / Hammer / HQ Core borings and installation of Inclinometer Wells.

Dobson Road Project, Mesa, AZ

Conditions:
Sands, Gravels, Cobbles & Bedrock

Work Performed:
Geotechnical exploration for bridge design that included a series of Hammer / HQ Core borings to depths of 200-ft.

BIA Bridges, Navajo Nation, AZ & NM

Conditions:
Sands, Gravels & Bedrock

Work Performed:
Geotechnical exploration for bridge and roadway design that included a series of Auger / Core / Air Rotary borings to depths of 100-ft.

Middle Rio Grande Levees, Albuquerque, San Acacia & San Marcial, NM

Conditions:
Sands, Gravels & Cobbles

Work Performed:
Geotechnical exploration for levee design that included a series of Auger borings from 15 to 100-ft. below the water table in heaving sands conditions.

Jack's Creek, Pecos Wilderness, NM

Conditions:
Bedrock

Work Performed:
Drilled 10" borings using down-the-hole hammer to depths of 50-ft. and install steel beam reinforcements to stabilize roadway.

BNSF Railroad Bridges, various locations, NM & AZ

Conditions:
Sand, Gravel, Bedrock

Work Performed:
Geotechnical exploration for bridge design using hollow stem auger, NQ wireline coring, and HW Casing Advance.

I-40, Albuquerque, NM

Conditions:
Sands, Gravels, Cobbles

Work Performed:
Geotechnical exploration for freeway and bridge design that included a series of Auger borings to depths of 100-ft.

Various landfill sites, Albuquerque, NM

Conditions:
Sand, Soil, Cobbles

Work Performed:
Installation of 1" diameter multi- stage methane test probes along the perimeters of several capped landfills.

Cell Towers, various locations, AZ & NM

Conditions:
Soils, Sand, Cobbles, Bedrock

Work Performed:
Geotechnical exploration of proposed cell tower sites in urban and difficult access rural areas and anchor hole borings using hollow stem auger, HQ and NQ wireline coring, and down the hole hammer.