PROJECTS
US-89; Farmington to I-84
Farmington, UT
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Owner: Utah Department of Transportation (UDOT)
Contract Type: Progressive Design-Build
Cost: $525 million (total project value)
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16-mile conversion of a four-lane highway to a grade-separated expressway
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Prime consultant on the Environmental Impact Statement (EIS)
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Extensive utility design and coordination
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Utility conflict identification and relocation for all major utilities, including:
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Water aqueducts​
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High voltage power
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High pressure gas
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Petroleum gas lines
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Communication system
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Extensive third-party coordination
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QL-D, QL-C, QL-B, & QL-A SUE services
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Approximately 250 test-holes​
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I-80, California-Nevada
State line Project
Reno, NV
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Owner: Nevada Department of Transportation (NDOT)
Contract Type: Unit-Price Contract
Cost: $42 million
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Full field investigation (QL-D, QL-C, QL-B, & QL-A) for 13 miles of freeway
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Aggressive timeline
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​All final project deliverables (QL-D, QL-C, & QL-B) required in five weeks
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Field work began on day one; office work began on day two
- Field work beginning day one:​
- ​Survey control
- Designating
- Map creation
- Utility inspections
- Above ground topo/utility survey, etc.
US-6, US-50, US-93 Downtown ELY
Ely, NV
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Owner: NDOT
Contract Type: Unit-Price
Cost: $12 million
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NDOT's largest SUE project to date
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QL-D, QL-C, QL-B, & QL-A SUE services​
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Broader research and field surveys to accommodate limited or outdated utility records
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Trenching (reduced necessary potholes)
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20 separate locations​
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GPR used to compose conflict matrix for risk assessment
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Coordination, permitting, and traffic control
North Las Vegas Sewer Rehabilitation
North Las Vegas, NV
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Owner: City of North Las Vegas
Contract Type: Unit-Price
Cost: $10 million
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Condition assessment for significant portion of City of North Las Vegas sewer system
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Assessment performed by NASSCO-certified Horrocks employees​
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Pipe sizes ranging from 15- to 33-inches in diameter
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Capital improvement rehabilitation report prepared with a cost estimate for design and construction
City Creek 84-inch
Storm Drain Rehabilitation
St. George, UT
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Owner: City of St. George
Contract Type: Lump Sum
Cost: $500,000
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Rehabilitation of 310 linear feet (LF) of 84-inch storm drain running through a gas station and busy city roadway​​
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Slip-lined 72-inch fiberglass pipe​
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Disturbed area limited to a shored 15-foot by 24-foot excavation
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320 feet of Hobas pipe placed in less than five hours
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Insertion pit completion, pipe slip-lining, bulk-head construction, and annular space grouting all completed within a week
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No interruption of traffic during entire process
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Gas station able to remain open to
public during rehabilitation
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UDOT Region 2 Culvert
Condition Inventory
Salt Lake, Tooele, & Summit Counties, UT
Owner: UDOT Region 2
Contract Type: Hourly
Study Cost: $1.9 million
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Inventory and evaluation of UDOT’s Region 2 culverts and storm drain system
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Developed a rating system
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Conducted field evaluations
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Provided prioritized repair recommendations
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Reported all information to client via UPLAN
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Set up integration between ArcGIS Collector and Survey-123 for field data collection
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Data displayed in a dashboard to monitor
collection progress -
Maintenance and replacement prioritization generated through a GIS algorithm