Dr. Fritz has worked on a variety of geotechnical projects, with duties including field investigations, project coordination, data processing and reduction, drafting, computation and analysis, instrumentation monitoring, and report writing. Selected recent projects are as follows:

• Project Engineer for La Cañada Drive Widening, Oro Valley, AZ:
• Widening of La Cañada Drive to cope with increased traffic demand of growing town including one soil nail wall, and 2 MSE walls.
• Coordinated and conducted field investigation consisting of 17 borings.
• Participated in analysis, calculations, report writing and post design services.
• Project Engineer for Joint Court Complex, Tucson, AZ:
• Design of foundations for several multi-story buildings including one 9 stories tall structure with underground parking facility.
• Coordinated and conducted field investigation consisting of 11 borings up to 170-ft deep.
• Participated in analysis, calculations and report writing.
• Project Engineer for Mt. Lemmon Highway Emergency Repair, Pima County, AZ:
• Repair of failed MSE Retaining Wall and side slope along Mt. Lemmon Highway using soil nailing.
• Coordinated and conducted field investigation consisting of 9 borings
• Participated in analysis, calculations, report writing and construction services
• Geotechnical Staff and Project Engineer for Management Consultant Contract, Widening of I-17 between SR 101L to SR 74, Phoenix, AZ:
  • Reconstruction of I-17 from 4 lanes to 8 lanes including 13 bridge structures and pavement design.
  • Coordinated and conducted field investigation consisting of 50 borings
  • Participated in analysis, calculations and report writing
• Geotechnical Staff and Project Engineer for Condition Assessment of Side-Hill Retaining Walls along US 191 (Coronado Trail), Greenlee County, AZ:
  • Field reconnaissance of 50 retaining walls along a 10 mile long stretch of US 191 north of Morenci, AZ
  • Condition assessment of retaining walls based on field observations.
• Geotechnical Staff for New Construction of Red Mountain Freeway (202L) - University Drive to Southern Avenue, Phoenix , AZ :
  • New Construction of freeway including three (3) bridges, nearly 4200 linear feet of retaining walls, and drainage structures paralleling the corridor.
  • Coordinated and performed field investigations including 116 borings and 8 large test pits.
  • Participated in analysis, design, and report writing.
• Geotechnical Staff for Lambert Lane Widening, Oro Valley , AZ :
  • Widening of Lambert Lane to cope with increased traffic demand of growing town including 3 soil nail walls, 2 MSE walls and 6 CIP walls.
  • Coordinated and conducted field investigations.
  • Participated in analysis and design for soil nail walls and MSE walls.

1. Merry, S.M., Kavazanjian, E. jr, Fritz, W.U. (2004), "Field Reconnaissance of the July 10, 2000 Payatas Waste Slide, Quezon City , Philippines ," accepted for publication ASCE Journal of Performance of Constructed Facilities, Vol. 19, No. 2, May, pp. 100-107.
2. Merry, S.M, Fritz, W.U., Budhu, M., Jesionek, K. (2006). “Effect of Gas on Pore Pressures in Wet Landfills,” ASCE Journal of Geotechnical and Geoenvironmental Engineering, Vol. 132, No. 5, May, pp. 553-561.
3. Woods, J.M., Kiousis, P.D., Ehsani, M.R., Saadatmanesh, H, Fritz, W.U. (2007). “Bending Ductility of Rectangular High Strength Concrete Columns,” Engineering Structures, Vol. 29, Issue 8, August 2007, pp. 1783-1790