Tier Four Solutions
Baltimore, MD 21226
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Our Story
Tier Four's primary business concentration includes: Trenching and Horizontal/directional Boring for new build and relocation of dry utilities. Over 30 plus years experience in telecommunications OSP and ISP construction and installations. T4's foundation is built on project management and operations excellence. T4 is known customer centered project management style with a emphasis on team, honesty and integrity.
We are located in the Baltimore, Maryland area and serve the Maryland, DC No. Virginia, Delaware areas.
Commercial Experience
Airport Runway
Animal Hospital / Kennel
Apartments & Condominiums
Arena / Stadium
Assisted Living
Auto Dealership / Service
Bank
Bridge
Casinos
Church / Synagogue
City / Town Hall
Civil & Site Development
Club House / Community Center
Court House
Data Centers - Mission Critical
Design Build
Education (K-12)
Fire / Police Station
Fitness Center
Gas Station
Golf Course
Government
Grocery Stores
Hospital / Nursing Home
Hotel / Motel
Jail / Prison
Laboratory
Library
Manufacturing Plant
Medical Office
Military
Misc Project
Mixed Use
Museum
Non-Building Construction
Non-Residential Building
Office Building
Parking Garage
Parking Lots
Post Office
Power Generation & Distribution
Radio / Television Station
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
- Washington D.C.
Delaware All
District Of Columbia All
Maryland 21
- Anne Arundel
- Baltimore
- Baltimore City
- Calvert
- Caroline
- Carroll
- Cecil
- Charles
- Dorchester
- Frederick
- Harford
- Howard
- Kent
- Montgomery
- Prince Georges
- Queen Annes
- Saint Marys
- Somerset
- Talbot
- Wicomico
- Worcester
Virginia 9
- Alexandria (City Of)
- Arlington
- Fairfax
- Fairfax (City Of)
- Falls Church (City Of)
- Fauquier
- Loudoun
- Prince William
- Stafford
Our CSI Codes
01 24 13 - Value Engineering
01 29 83 - Payment Procedures for Testing Laboratory Services
01 31 13 - Project Coordination
01 31 19.13 - Preconstruction Meetings
01 84 19 - Interior Finishes Performance Requirements
01 85 00.00.01 - Conveying Equipment Performance Requirements
01 87 13 - Equipment Performance Requirements
01 88 16 - Selective Construction Performance Requirements
01 91 23 - Interiors Commissioning
01 91 23.13 - Interior Construction Commissioning
01 91 23.43 - Stairways Commissioning
02 06 30.13 - Boring or Test Pit Log Schedule
03 08 00.00.01 - Commissioning of Concrete
04 08 00.00.01 - Commissioning of Masonry
23 22 13.13 - Underground Steam and Condensate Heating Piping
26 05 43 - Underground Ducts and Raceways for Electrical Systems
27 01 10 - Operation and Maintenance of Structured Cabling and Enclosures
27 01 20 - Operation and Maintenance of Data Communications
27 05 13.23 - T1 Services
27 05 13.33 - DSL Services
27 05 13.43 - Cable Services
27 05 28 - Pathways for Communications Systems
27 06 10 - Schedules for Structured Cabling and Enclosures
27 06 20 - Schedules for Data Communications
27 06 30 - Schedules for Voice Communications
27 10 00.00.01 - Structured Cabling
27 11 23 - Communications Cable Management and Ladder Rack
27 13 13.13 - Communications Copper Cable Splicing and Terminations
27 13 23 - Communications Optical Fiber Backbone Cabling
27 13 23.13 - Communications Optical Fiber Splicing and Terminations
27 13 33 - Communications Coaxial Backbone Cabling
27 13 33.13 - Communications Coaxial Splicing and Terminations
27 13 43 - Communications Services Cabling
27 13 43.23 - T1 Services Cabling
27 13 43.33 - DSL Services Cabling
27 13 43.43 - Cable Services Cabling
27 15 00.16 - Voice Communications Horizontal Cabling
27 15 00.19 - Data Communications Horizontal Cabling
27 15 00.49 - Intermediate Frequency/Radio Frequency Communications Horizontal Cabling
27 15 13 - Communications Copper Horizontal Cabling
27 15 23 - Communications Optical Fiber Horizontal Cabling
27 15 33 - Communications Coaxial Horizontal Cabling
27 21 13 - Data Communications Firewalls
31 21 16.13 - Methane Venting
31 63 29.16 - Cased Drilled Concrete Piers
33 01 60 - Operation and Maintenance of Hydronic and Steam Energy Utilities
33 01 70 - Operation and Maintenance of Electrical Utilities
33 01 80 - Operation and Maintenance of Communications Utilities
33 05 23 - Trenchless Utility Installation
33 05 23.13 - Utility Horizontal Directional Drilling
33 05 23.16 - Utility Pipe Jacking
33 05 23.19 - Microtunneling
33 05 23.23 - Utility Pipe Ramming
33 05 23.26 - Utility Impact Moling
33 05 23.29 - Cable Trenching and Plowing
33 06 10 - Schedules for Water Utilities
33 06 40 - Schedules for Storm Drainage Utilities
33 06 60 - Schedules for Hydronic and Steam Energy Utilities
33 06 70 - Schedules for Electrical Utilities
33 06 80 - Schedules for Communications Utilities
33 09 40 - Instrumentation and Control for Storm Drainage Utilities
33 09 60 - Instrumentation and Control for Hydronic and Steam Energy Utilities
33 09 70 - Instrumentation and Control for Electrical Utilities
33 09 80 - Instrumentation and Control for Communications Utilities
33 11 16 - Site Water Utility Distribution Piping
33 29 00.00.01 - Well Abandonment
33 33 13 - Sanitary Utility Sewerage
33 33 16 - Combined Utility Sewerage
33 34 13 - Sanitary Utility Sewerage Inverted Siphons
33 41 13 - Public Storm Utility Drainage Piping
33 50 00.00.01 - Fuel Distribution Utilities
33 51 13 - Natural-Gas Piping
33 60 00.00.01 - Hydronic and Steam Energy Utilities
33 61 13 - Underground Hydronic Energy Distribution
33 61 23 - Aboveground Hydronic Energy Distribution
33 63 13 - Underground Steam and Condensate Distribution Piping
33 70 00.00.01 - Electrical Utilities
33 71 19 - Electrical Underground Ducts and Manholes
33 71 39.23 - Underground High-Voltage Wiring
33 71 49.23 - Underground Medium-Voltage Wiring
33 79 19 - Utilities Grounding
33 79 19.13 - Electrical Utilities Grounding
33 79 19.16 - Communications Utilities Grounding
33 82 13 - Copper Communications Distribution Cabling
33 82 13.13 - Copper Splicing and Terminations
33 82 23 - Optical Fiber Communications Distribution Cabling
33 82 23.13 - Optical Fiber Splicing and Terminations
33 82 33 - Coaxial Communications Distribution Cabling
33 82 33.13 - Coaxial Splicing and Terminations
40 23 36 - Sanitary Water Process Piping
40 95 33.13 - Cabled Process Control Networks
40 95 33.23 - Fiber Optic Process Control Networks
40 95 33.33 - Wireless Process Control Networks
