Our Leadership

Trent Hirth

Director of Pre-Construction Services
(817) 877-1144

Trent Hirth has devoted his entire career to the important role of Pre-Construction Services, and his experience of over 25 years has made him a leading expert in the field.  As head of our Pre-Construction and Estimating division, Trent provides each client a collaborative and integrated division of services such as cost estimating, procurement, and value engineering.

Trent Hirth and David Hasenzahl have worked together as a team since the mid-1990’s, and include over a billion dollars worth of construction projects combined.  Trent’s experience has resulted in a full service Commercial Construction Company with the ability to plan and coordinate some fo the most highly skilled and unique project.


  • HASEN Design Build & Development, Inc, Director of Preconstruction Services Fort Worth, Texas, 2005-Present
  • Haws & Tingle, LTD., Senior Estimator, Texas, 1999 – 2005 Payless
  • Cashways , Commercial Salesman, Fort Worth, Texas, 1996 – 1999
  • Camp Wisdom Retail, Grand Prairie, Texas; 13,800sf
  • Landmark Fabrication Facility, Decatur, Texas ; 70,000 sf Water Tower Fabrication Facility $4.2 million
  • Hampton Square Retail Center, Dallas, Texas; 15,000 sf
  • Kleberg Rylie Recreation Center, Dallas, Texas; Structural Remediation
  • Grand Prairie Fire Station #4, Grand Prairie, Texas; Sleeping Quarter Addition
  • Trinity Medical Center, Metrocrest Hospital Authority, Carrollton, Texas
  • Lab, Women’s Center and Central Plant, HCA Medical Center of Arlington, Arlington, Texas; 45,000sf addition
  • Northeast Methodist Hospital, San Antonio, Texas
  • Alcon Line 15, Alcon Laboratories, Inc., Fort Worth, Texas
  • Western Currency Museum, Visitors’ Center and Production Area Expansion, Department of Treasury Bureau of Engraving and Printing, Fort Worth, Texas, 150,000sf expansion which includes approximately 90,000sf of increased plant production space.
  • George L. Allen Sr. Civil Courts Building, Dallas County Commissioners Court, Downtown Dallas, Texas, a 10story Civil Courts Building, in excess of 250,000sf and extensive renovations to severalfloors in an existing 12 story Courts Building
  • Williamson-Dickie Service Center Expansion, Williamson-Dickie Manufacturing Company, Fort Worth, Texas; 152,678sf distribution facility
  • Best Maid Facility Expansion, Fort Worth, Texas; 12,000sf pickle processing facility
  • Comfort Suites, Stargate DCS, Ltd., Grapevine, Texas, 72,625sf five story hotel
  • Centennial Medical Center, Tenet Health Systems, Frisco, Texas; 500,000sf paving
  • Solvay Site Improvements, Solvay Engineered Polymers, Mansfield, Texas; 50,000sf paving
  • Magnetic Resonance Facility Relocation, Alcon Laboratories, Inc., Fort Worth, Texas; project involved working within “clean room” environment in existing research facility
  • Northern Tool & Equipment, CentDev Properties, White Settlement, Texas
  • United Regional Health Care System Cardiac Care 5Leval Vertical Expansion,United Regional Health Care System, Wichita Falls, Texas; 180,000sf additionto existing hospital
  • Dallas County “Old Red” Courthouse Historic Preservation and Restoration,Dallas County Commissioners Court, Downtown Dallas, Texas
  • The Jack S. Blanton Museum of Art – Phase 1, University of Texas System, Austin, Texas
  • Building 51, Wing “E” Facility, Cedar Park Campus, Texas Department ofTransportation, Austin, Texas; 45,000sf office building addition
  • Dallas/Fort Worth International Airport People Mover Maintenance Facility, DFW International Airport, DFW Airport, Texas, 103,000sf facility for maintenance and repair of Airport People Mover
  • SH190 DART Light Rail Station, Plano, Texas
  • Midlothian Community and Senior Centers, Midlothian, Texas; 34,000sf two story conference center which includes a monumental spiral staircase made of steel, exposed stained concrete and cherry wood. Along with the 9,350sf Seniors facility, both structures showcase a combination of cultured stone, glass window walls and painted, geometrically detailed exposed concrete walls and columns
  • Ashbel Smith West Parking Garage Vertical Expansion, The University of Texas System, Austin, Texas
  • Leander Elementary School #11, Austin, Texas
  • Center Park and Canyon Ridge Bridge, Quentin Corporation, Austin, Texas
  • Centreport Technology Center, Koll Development, Fort Worth, Texas,
    125,110sf office technology center. The exterior building structure was
    constructed of painted concrete tilt wall with sections of natural stone detailing and stainless steel canopies at all entries
  • Jetstar, Jackson Shaw Company, Irving, Texas
  • General Motors Manufacturing Plant and Cooling Tower, General MotorsCorporation, Arlington, Texas; 800,000sf Robotics Driven Body Shop for the Truck Conversion Project
  • Computalog Pressure Test Facility, Fort Worth, Texas
  • University Courtyard, Allen Construction Company, Denton, Texas
  • TCI Tire Centers Regional Headquarters and Tire Retread Manufacturing Facility, Lancaster, Texas;125,000sf regional headquarters, distribution and tire retread facility