District materials office staff
- Ensure materials and materials testing procedures are in compliance.
- Conduct sampling and testing of a variety of materials.
- Provide fabrication inspection of prestressed, precast and foundry elements.
- Perform correlations testing of pavement smoothness.
| Materials staff | ||
| Name | Position | Phone Number |
| William Dotzler, P.E. | district materials engineer | 712-239-4713 |
| Alex Crosgrove | materials tech 5 | 712-202-0809 |
