Terracon
Fort Collins, CO 80525
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Our Story
Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients. Since 1965, Terracon has evolved into a successful multi-discipline firm specializing in environmental, facilities, geotechnical, and materials services.
Over our history, Terracon has achieved significant expansion through both internal growth and acquisitions. Terracon currently has more than 5,000 employees in more than 150 offices, serving all 50 states nationwide. Additionally, we partner with our U.S. clients to serve their international needs. Terracon’s growth is due to dedicated employees who are responsive to clients, provide quality services, and take advantage of opportunities in the marketplace.
Our culture, systems, and structure enable us to excel at both small and large projects. By combining our national resources with specific local area expertise, we consistently overcome obstacles and deliver the results our clients expect.
Terracon serves a diverse portfolio of private and public clients. By being responsive, resourceful, and reliable, we strive to exceed our clients’ expectations for service, solutions, quality, and speed of delivery. Based on a deep understanding of our clients’ needs, Terracon’s commitment is centered on these key objectives.
Commercial Experience
Airport Runway
Animal Hospital / Kennel
Apartments & Condominiums
Arena / Stadium
Assisted Living
Athletic Field
Auto Dealership / Service
Bank
Bridge
Casinos
Church / Synagogue
City / Town Hall
Civil & Site Development
Club House / Community Center
Court House
Dams & Levies
Data Centers - Mission Critical
Design Build
Education (K-12)
Fire / Police Station
Fitness Center
Gas Station
Golf Course
Government
Grocery Stores
Historic Preservation
Hospital / Nursing Home
Hotel / Motel
Industrial Maintenance
Jail / Prison
Laboratory
Library
Lighting Retrofits
Manufacturing Plant
Marine
Medical Office
Military
Misc Project
Mixed Use
Museum
Non-Building Construction
Non-Residential Building
Office Building
Park / Playground
Parking Garage
Parking Lots
Post Office
Power Generation & Distribution
Pre-Manufactured Structures
Radio / Television Station
Renewable Energy
Residential Building
Restaurant
Retail Store
Road / Highway
School / College / University
Secure and Shielded Facilities
Sewage / Water Treatment Plant
Storage Facility / Warehouse
Swimming Pool
Tennis Court
Terminal - Airport / Bus / Railroad
Theater
Theme Park
Tunnel
Utilities
Regions & Counties Serviced
- Colorado and Wyoming
Alabama All
Alaska All
Arizona All
Arkansas All
California All
Colorado All
Connecticut All
Delaware All
District Of Columbia All
Florida All
Georgia All
Hawaii All
Idaho All
Illinois All
Indiana All
Iowa All
Kansas All
Kentucky All
Louisiana All
Maine All
Maryland All
Massachusetts All
Michigan All
Minnesota All
Mississippi All
Missouri All
Montana All
Nebraska All
Nevada All
New Hampshire All
New Jersey All
New Mexico All
New York All
North Carolina All
North Dakota All
Ohio All
Oklahoma All
Oregon All
Pennsylvania All
Puerto Rico All
Rhode Island All
South Carolina All
South Dakota All
Tennessee All
Texas All
Utah All
Vermont All
Virginia All
Washington All
West Virginia All
Wisconsin All
Wyoming All
Our CSI Codes
01 43 29 - Code-Required Special Inspector Qualifications
01 45 23 - Testing and Inspecting Services
01 45 26 - Plant Inspection Procedures
01 71 23 - Field Engineering
01 71 23.13 - Construction Layout
01 71 23.16 - Construction Surveying
01 78 29 - Final Site Survey
01 80 00.00.01 - Performance Requirements
01 82 13 - Foundation Performance Requirements
01 82 16 - Basement Construction Performance Requirements
01 83 13 - Superstructure Performance Requirements
01 83 16 - Exterior Enclosure Performance Requirements
01 84 16 - Stairways Performance Requirements
01 86 13 - Fire Suppression Performance Requirements
01 86 16 - Plumbing Performance Requirements
01 86 19 - HVAC Performance Requirements
01 86 23 - Integrated Automation Performance Requirements
01 86 26 - Electrical Performance Requirements
01 86 29 - Communications Performance Requirements
01 86 33 - Electronic Safety and Security Performance Requirements
01 88 13 - Special Construction Performance Requirements
01 91 13 - General Commissioning Requirements
01 91 16.13 - Foundation Commissioning
01 91 16.53 - Basement Construction Commissioning
01 91 19 - Facility Shell Commissioning
01 91 19.13 - Superstructure Commissioning
01 91 19.43 - Exterior Enclosure Commissioning
02 06 30 - Schedules for Subsurface Investigations
02 08 00.00.01 - Commissioning of Existing Conditions
02 20 00.00.01 - Assessment
02 22 19 - Traffic Assessment
02 24 13.73 - Land Assessment
02 24 23 - Chemical Sampling and Analysis of Soils
02 25 16 - Existing Concrete Assessment
02 25 19 - Existing Masonry Assessment
02 25 23 - Existing Metals Assessment
02 25 23.13 - Welding Investigations
02 25 26 - Existing Wood, Plastics, and Composites Assessment
02 31 29 - Magnetotelluric Investigations
02 32 23 - Geotechnical Monitoring Before Construction
02 57 16 - Sinkhole Remediation by Backfilling
05 08 00.00.01 - Commissioning of Metals
06 08 00.00.01 - Commissioning of Wood, Plastics, and Composites
08 08 00.00.01 - Commissioning of Openings
10 08 00.00.01 - Commissioning of Specialties
11 08 00.00.01 - Commissioning of Equipment
13 08 11 - Commissioning of Swimming Pools
13 08 23 - Commissioning of Planetariums
13 08 30 - Commissioning of Special Structures
21 08 00.00.01 - Commissioning of Fire Suppression
22 08 00.00.01 - Commissioning of Plumbing
23 08 00.00.01 - Commissioning of HVAC
25 08 00.00.01 - Commissioning of Integrated Automation
26 05 73 - Overcurrent Protective Device Coordination Study
26 08 00.00.01 - Commissioning of Electrical Systems
27 08 00.00.01 - Commissioning of Communications
28 08 00.00.01 - Commissioning of Electronic Safety and Security
31 01 63 - Maintenance of Bored and Augered Piles
31 01 63.61 - Bored and Augered Pile Repairs
31 06 50 - Schedules for Excavation Support and Protection
31 06 60 - Schedules for Special Foundations and Load Bearing Elements
31 08 00.00.01 - Commissioning of Earthwork
31 09 13 - Geotechnical Instrumentation and Monitoring
31 09 13.13 - Groundwater Monitoring During Construction
31 09 16 - Special Foundation and Load Bearing Elements Instrumentation and Monitoring
31 09 16.13 - Foundation Performance Instrumentation
31 09 16.26 - Bored and Augered Pile Load Tests
31 32 36 - Soil Nailing
31 32 36.13 - Driven Soil Nailing
31 32 36.19 - Corrosion-Protected Soil Nailing
31 45 13 - Vibroflotation
31 45 16 - Densification
31 46 13 - Cantilever Needle Beams
31 48 19 - Bracket Piers
31 51 13 - Excavation Soil Anchors
31 51 16 - Excavation Rock Anchors
31 54 00.00.01 - Ground Freezing
31 56 13 - Bentonite Slurry Walls
31 56 13.13 - Soil-Bentonite Slurry Walls
31 56 13.16 - Cement-Bentonite Slurry Walls
31 56 13.19 - Slag-Cement-Bentonite Slurry Walls
31 56 13.23 - Soil-Cement-Bentonite Slurry Walls
31 56 13.26 - Pozzolan-Bentonite Slurry Walls
31 56 13.29 - Organically-Modified Bentonite Slurry Walls
31 56 16 - Attipulgite Slurry Walls
31 56 16.13 - Soil-Attipulgite Slurry Walls
31 56 19 - Slurry-Geomembrane Composite Slurry Walls
31 56 23 - Lean Concrete Slurry Walls
31 60 00.00.01 - Special Foundations and Load-Bearing Elements
31 66 16.46 - Slurry Diaphragm Foundation Walls
31 66 16.53 - Soldier-Beam Foundation Walls
31 68 13 - Rock Foundation Anchors
31 75 13 - Cast-in-Place Concrete Shaft Lining
32 08 00.00.01 - Commissioning of Exterior Improvements
32 70 00.00.01 - Wetlands
33 08 10 - Commissioning of Water Utilities
33 08 20 - Commissioning of Wells
33 08 30 - Commissioning of Sanitary Sewerage Utilities
33 08 40 - Commissioning of Storm Drainage Utilities
33 08 50 - Commissioning of Fuel Distribution Utilities
33 08 60 - Commissioning of Hydronic and Steam Energy Utilities
33 08 70 - Commissioning of Electrical Utilities
33 08 80 - Commissioning of Communications Utilities
34 08 13 - Commissioning of Roadways
34 08 23 - Commissioning of Railways
34 08 33 - Commissioning of Airfields
34 08 43 - Commissioning of Bridges
35 08 30 - Commissioning of Coastal Construction
35 08 40 - Commissioning of Waterway Construction
35 08 50 - Commissioning of Marine Construction
35 08 70 - Commissioning of Dams
40 80 00.00.01 - Commissioning of Process Systems
41 08 30 - Commissioning of Manufacturing Equipment
42 08 10 - Commissioning of Heating Equipment
42 08 20 - Commissioning of Cooling Equipment
42 08 30 - Commissioning of Drying Equipment
43 08 10 - Commissioning of Gas Handling Equipment
43 08 20 - Commissioning of Liquid Handling Equipment
43 08 30 - Commissioning of Gas and Liquid Purification Equipment
43 08 40 - Commissioning of Gas and Liquid Storage
44 08 40 - Commissioning Water Treatment Equipment
45 08 00.00.01 - Commissioning of Industry-Specific Manufacturing Equipment
48 08 00.00.01 - Commissioning of Electrical Power Generation
Associations & Memberships
American Society of Civil Engineers
AWS (American Welding Society)
ASHRAE (American Society of Heating, Refrigerating & Air Conditioning Engin
CCRL (Cement & Concrete Reference Laboratory)
ICSC (International Council of Shopping Centers)
PCA (Portland Cement Assn.)
ASFE (Associated Soil & Foundation Engineers)
NIST (National Institute of Standards & Technology)
PCIA (Personal Communications Industry Assn.)
NCEES (National Council of Examiners for Engineering & Surveying)
NDA (National Drilling Assn.)
NCSEA (National Council of Structural Engineers Assn.)
ACEC (American Council of Engineering Companies)
ACI (American Concrete Institute)
AIA (American Institute of Architects)
AWEA (American Wind Energy Assn.)
AMRL (AASHTO Materials Reference Laboratory)
ASTM (American Society of Testing Materials)
CalGeo (California Geotechnical Engineering Assn.)
EPA (Environmental Protection Agency)
GSA (General Services Administration)
ICC (International Code Council)
NICET (National Institute for Certification in Engineering Technologies)
OSHA (Occupational Safety & Health Administration)
RCI (Roof Consultant Institute)
SBA (Small Business Administration)
USGBC (United States Green Building Council)
Geo-Institute
PTI (Post Tensioning Institute)
APPA (American Public Power Assn.)
International Assn. of Foundation Drilling
WOBE (Woman Owned Business Enterprise)
SDB (Small Disadvantaged Business)
SAME (Society Of American Military Engineers)
