Specifications include, but are not limited to: Gila County is seeking a qualified professional consulting firm to provide on-call professional training to Gila County Staff. Upon completion of the training, participants will be able to: 1. Explain the overall culvert design process 2. Summarize basic hydraulic concepts 3. Discuss factors influencing hydraulic performance and design of culverts 4. Explain how to calculate culvert outlet velocity 5. Apply nomographs and software to design a roadway culvert 6. Assess impacts of repairs and rehabilitation of culverts on hydraulic performance 7. Design energy dissipators and debris control structures for culverts 8. Design culverts for various situations 9. Discuss culvert failures and how they can be prevented