TxDOT Southern Gateway Design-Build
Dallas, TX · Highways & Roads · Client: TxDOT
Project details
TCS leads owner verification testing and inspection (OVTI) onsite services on this $666 million design-build project.
Tam Consulting Services LLC
Nationally Recognized Engineering & Quality Services
About the firm
Tam Consulting Services LLC, operating as TCS Engineering, is a privately-owned transportation engineering and quality consulting firm founded in September 2016 and headquartered in Dallas, Texas. TCS provides construction engineering and inspection (CE&I), materials engineering and testing, quality assurance program (QAP) development, owner verification testing and inspection (OVTI), independent quality firm (IQF) services, program management, procurement, and design/3D modeling to state departments of transportation and transportation program owners. It is TxDOT pre-certified across dozens of work categories and is nationally recognized for its design-build QAP and OVTI expertise, with clients including Texas DOT, Arizona DOT, Alabama DOT, and South Carolina DOT. TCS operates in Texas, Alabama, Arizona, Colorado, South Carolina, Georgia, and Tennessee.
- Established
- 2016
- Firm type
- Transportation Engineering · Civil Engineering · Geotechnical Engineering · Materials Testing · Owner's Engineer
Credentials
TxDOT Pre-Certified: 2.1.1 Traffic Noise Analysis · TxDOT Pre-Certified: 2.2.1 Air Quality Analysis · TxDOT Pre-Certified: 3.2.1 Route Studies & Schematic Design · TxDOT Pre-Certified: 4.2.1 Roadway Design · TxDOT Pre-Certified: 4.4.1 Freeway Interchanges · TxDOT Pre-Certified: 4.5.1 Constructability Review · TxDOT Pre-Certified: 4.6.1 3-D Visualization and Animation Services · TxDOT Pre-Certified: 6.1.1 Routine Bridge Inspection Team Leader · TxDOT Pre-Certified: 6.2.1 Complex Bridge Inspection Team Leader · TxDOT Pre-Certified: 7.1.1 Traffic Engineering Studies · TxDOT Pre-Certified: 8.1.1 Signing, Pavement Marking & Channelization · TxDOT Pre-Certified: 8.3.1 Signalization · TxDOT Pre-Certified: 8.6.1 Rail-Highway Design · TxDOT Pre-Certified: 11.1.1 Roadway Construction Management & Inspection · TxDOT Pre-Certified: 11.2.1 Bridge Construction Management & Inspection · TxDOT Pre-Certified: 11.3.1 Construction Superintendent · TxDOT Pre-Certified: 11.4.1 Environmental Inspections · TxDOT Pre-Certified: 11.6.1 Construction Schedule Support - General · TxDOT Pre-Certified: 11.7.1 Construction Schedule Support - Schedule of Roadway Design · TxDOT Pre-Certified: 11.8.1 Construction Schedule Support - Schedule of Bridge and Interchange Projects · TxDOT Pre-Certified: 11.10.1 Construction Record Keeper · TxDOT Pre-Certified: 12.1.1 Asphaltic Concrete Production · TxDOT Pre-Certified: 12.1.2 Portland Cement Concrete · TxDOT Pre-Certified: 12.1.3 Materials Engineering · TxDOT Pre-Certified: 12.1.4 Asphaltic Concrete Placement · TxDOT Pre-Certified: 12.1.5 Portland Cement Concrete Placement · TxDOT Pre-Certified: 12.1.6 Embankment/Subgrade/Backfill/Base Production · TxDOT Pre-Certified: 12.1.7 Embankment/Subgrade/Backfill/Base Placement · TxDOT Pre-Certified: 12.2.1 Plant Inspection & Testing · TxDOT Pre-Certified: 12.2.5 Hot Mix Asphalt (HMA) Plant Inspection and Testing · TxDOT Pre-Certified: 12.5.1 Pavement Evaluation · TxDOT Pre-Certified: 14.1.1 Soil Exploration · TxDOT Pre-Certified: 14.2.1 Geotechnical Testing · TxDOT Pre-Certified: 14.3.1 Transportation Foundation Studies · TxDOT Pre-Certified: 14.4.1 Building Foundation Studies · TxDOT Pre-Certified: 14.5.1 Evaluation and Design of Geotechnical Related Structures · TxDOT Pre-Certified: 18.3.1 Utility Adjustment Coordination · TxDOT Pre-Certified: 18.4.1 Utility Engineering · TxDOT Pre-Certified: 18.5.1 Utility Construction Management and Verification · TxDOT Pre-Certified: 19.3.1 Financial Plan Review and Development (Design-Bid-Build) · TxDOT Pre-Certified: 22.1.1 Owner Verification Testing and Inspection Project Manager · TxDOT Pre-Certified: 22.2.1 Chief Inspector · TxDOT Pre-Certified: 22.3.1 Owner Verification - Laboratory Manager · TxDOT Pre-Certified: 22.4.1 QA/QC Process Verification for OVTI · TxDOT Pre-Certified: 23.8.1 Claims Analysis and Management · TxDOT Pre-Certified: 23.11.1 Plan Review · TxDOT Pre-Certified: 23.12.1 QA/QC Process Verification · TxDOT Pre-Certified: 24.4.1 Operations and Maintenance (O&M) Assessment · TxDOT Pre-Certified: 24.5.1 Operations and Maintenance Program Support · TxDOT Pre-Certified: Local Government Project Procedures
People
Weng On TamPresident, PE
Mandy TamExecutive Vice President, CFO
Martin C. HorstConstruction Services Director, PE
Mark EdwardsSenior Program Manager, PE
Thomas MartinezSenior Program Manager, PE
Capabilities
Construction Engineering & Inspection (CE&I)
Service websitePrime and sub-consultant CE&I services for roadway and bridge projects. TCS is pre-certified in TxDOT categories 11.1.1 (Roadway Construction Management & Inspection) and 11.2.1 (Bridge Construction Management & Inspection). Currently serving as prime consultant for the NTTA President George Bush Turnpike widening project from IH-20 to SH-183.
Materials Engineering & Testing
Service websiteLaboratory and field materials testing for asphaltic concrete, portland cement concrete, embankment/subgrade, and geotechnical applications. Pre-certified in TxDOT categories 12.1.1 through 12.2.5 and 14.x geotechnical categories.
Quality Assurance Program (QAP) Development & OVTI
Service websiteNationally recognized design-build QAP development and owner verification testing and inspection (OVTI) services. Weng On Tam led TxDOT's first project-specific DB QAP for the $1.3B SH130 Segments 1-4 project in 2002 and subsequently TxDOT's first statewide/programmatic DB QAP. TCS currently supports TxDOT's Materials and Tests Division statewide and provides DB QAP/OVTI lead technical consulting for Arizona DOT, Alabama DOT, and South Carolina DOT.
Independent Quality Firm (IQF) Services
Service websiteIQF inspection and management services for design-build projects. Staff have served as IQF Inspection Manager on the Dallas Horseshoe, Southern Gateway, and LBJ East 635 design-build projects.
Program Management & General Engineering Consulting (GEC)
Service websiteGeneral Engineering Consult, program management, and procurement services including design management/oversight, construction management/oversight, programmatic document support, and operations and maintenance management. Clients include Texas DOT, Arizona DOT, Alabama DOT, and South Carolina DOT.
Design / 3D Modeling
Service websiteHighway design and 3D visualization services including geometry, signing, pavement marking, drainage, MOT, and CIM (Civil Information Modeling). Staff proficient in OpenRoads Designer and OpenBridge Modeler and other Bentley and Autodesk products.
Owner Verification Testing & Inspection (OVTI)
Service websiteOwner verification testing and inspection project management and chief inspector services. TxDOT pre-certified in categories 22.1.1, 22.2.1, 22.3.1, and 22.4.1.
Industries
Transportation · Highways & Roads · Bridges · Government
Projects
NTTA President George Bush Turnpike Widening (IH-20 to SH-183)
Texas · Highways & Roads · Client: North Texas Tollway Authority (NTTA)
Project details
TCS serves as prime consultant providing construction management for this NTTA widening project.
TxDOT SH130 Segments 1-4 Design-Build QAP
Texas · Highways & Roads · Client: TxDOT
Project details
Weng On Tam helped TxDOT develop, negotiate, and implement the first project-specific DB QAP, OVTIP, and first version of I2MS for this $1.3 billion project.