IX. Overview Of Design Process

1. IX. Overview Of Design Process A. Project Initiation: • Three Level Design Approach – (Section 9.3.1 of HDS6-01) (Section 4.3.1 to 4.3.3; 4.4 to 4.7 in HEC20-95) • Develop a Project Concept – (Section 9.3.2 of HDS6-01) • Assemble Available Data – (Section 9.3.2 of HDS6-01) • Conduct a Field Reconnaissance – (Section 9.3.1 of HDS6-01) • Collect Additional Field Data – (Section 9.3.1 of HDS6-01) See these resources: HDS6-01 (Section 9.3), HEC20-95 (Section 4.3 to 4.7), HDS1-78 (Section 11), TXDOT-02 (Section 4.4), FITD Class CD

2. [HANDOUT P. 4-7 OF TXDOT-02]

3. IX. Overview Of Design Process B. Principal Factors to be Considered in Design: • Types of Rivers – (Section 9.2.1 of HDS6-01) • Location of crossing – (Section 9.2.2 of HDS6-01) • River Characteristics – (Section 9.2.3 of HDS6-01) • River Geometry – (Section 9.2.4 of HDS6-01) (Section 3 of SS9-02) • Hydrologic Data – (Section 9.2.5 of HDS6-01) • Hydraulic Data – (Section 9.2.6 of HDS6-01) • Characteristics of the Watershed – (Section 9.2.7 of HDS6-01) • Flow Alignment – (Section 9.2.8 of HDS6-01) • Floodplain Flow – (Section 9.2.9 of HDS6-01) [CONTINUED]

4. IX. Overview Of Design Process B. Principal Factors to be Considered in Design: [CONTINUED] • Final Site Selection – (Section 9.2.10 of HDS6-01) • Channel Stability – (Section 9.2.11 of HDS6-01) • Short-Term Response – (Section 9.2.12 of HDS6-01) • Long-Term Response – (Section 9.2.13 of HDS6-01) See these resources: HDS6-01 (Section 9.2), SS9-02 (Section 7.3), FITD Class CD

5. [HANDOUTS pp. 9.1 TO 9.6 OF HDS6-01; Section 7.3 of SS9-02]

6. IX. Overview Of Design Process C. Resources: 1. Checklist of Data Needs Includes: • Maps • Photos • Surveys • Information on Existing Structures, Bridges, Dams, Diversions, or Outfalls • Soils • Climatological • Land Use • Hydrologic Data [CONTINUED]

7. IX. Overview Of Design Process C. Resources: 1. Checklist of Data Needs Includes: [CONTINUED] • Existing Floodplain Studies • Channel Geometry • Sediment Discharge • Planned Projects See these resources: TABLE 8.1 OF HDS6-01, FITD Class CD

8. IX. Overview Of Design Process C. Resources: 2. Checklist of Data Sources Includes: • Topographic Maps • Datums • Planimetric Maps • Aerial Photographs • Historical • Transportation Maps • Survey • Geologic Maps [CONTINUED] See these resources: TABLE 8.1 OF HDS6-01, FITD Class CD

9. IX. Overview Of Design Process C. Resources: 2. Checklist of Data Sources Includes: [CONTINUED] • Soil Data • Climatological Data • Stream Flow Data • Floodplain Studies • Sedimentation Data • Environmental Data See these resources: TABLE 8.2OF HDS6-01, FITD Class CD

10. IX. Overview Of Design Process C. Resources: 1. Checklist of Data Needs Includes: 2. Checklist of Data Sources Includes: 3. Use CLOMR process as part of the pre-design process. • CLOMR process considers basic Hydraulics and Hydrologic parameters.

11. [HANDOUTS pp. 8.5 to 8.10 OF HDS6-01]

12. IX. Overview Of Design Process D. Design Checklists: Many types of Design Checklists are located in the Resource Literature. Researching them prior to design often lends valuable insights to the designer…

13. IX. Overview Of Design Process D. Design Checkists: Some examples: 1. Checklist for Planning and Locating Specific Structures (i.e., AASHTO and ADOT) [HANDOUT: Excerpts of AHDG-99]

14. IX. Overview Of Design Process D. Design Checkists: 2.Checklist of Broad Design Components for Specific Structures (i.e., checklists regulating agencies may use for review) [HANDOUT: Excerpts of FPIC]

15. IX. Overview Of Design Process D. Design Checkists: 3. Checklist of In-Depth Design Procedure for Specific Structures (i.e., Culverts) [HANDOUT: Excerpts of MC-VII-96]