Latest Design Revisions
The table below summarizes the changes made with the latest revisions to the SUDAS Design Manual. There is also a link below that contains the entire revision packets. However, if your manual is not updated to the 2023 Edition, the revisions below will not coordinate with your manual.
Download a complete packet of the revisions
2024 Edition card for the Design Manual
| Chapter | Section | Pages | Summary of Changes |
|---|---|---|---|
| Intro | Updated the Contributors and Acknowledgments page and the general table of contents. Note - if you want to replace the small business card for the spine of your manual, click on the link above. | ||
| 1 | 1D-2 | 9-10; 19-22 | Revised the “items to be specified” list based on corrections and SUDAS Specifications revisions. |
| 1 | 1D-3 | 5-6; 13-16; 25-28 | Updated the “incidental or included items” list based on corrections and SUDAS Specifications revisions. |
| 1 | 1D-4 | 5-6; 9-10 | Updated the “bid item” list based on corrections and SUDAS Specifications revisions. |
| 2 | Table of Contents | i-ii | Updated table of contents based on changes made to Chapter 2. |
| 2 | 2A-4, C | 2 | Updated to new NRCS region-specific storm distributions. |
| 2 | 2B-4, B | 1-6 | Modified discussions on minimum time of concentration. |
| 2 | 2B-4, C | 11-13 | Updated to new NRCS region-specific storm distributions. |
| 2 | 2B-5, C & D | 3-5 | Updated to new NRCS region-specific storm distributions. (Change resulted in additional page). |
| 5 | Table of Contents | i-ii; v | Updated table of contents based on changes made to Chapter 5. |
| 5 | 5C-1 | ALL | Updated based on research project results. |
| 5 | 5C-2 | ALL | Updated based on research project results. (Change resulted in additional pages). |
| 5 | 5D-1, Table 5D-1.01 | 4 | Changed “less than or equal to 45 mph” to “any.” |
| 5 | 5G-3, Figure 5G-3.15 | 17-19 | Revised the spec figures that were issued last year. |
| 5 | 5M-1 | ALL | Updated based on research project results. (Change resulted in additional pages). |
| 7 | Table of Contents | i-vi | Updated table of contents based on changes made to Chapter 7. |
| 7 | 7B-1, B & C | 4-10 | Updated the regulatory elements to match the new NPDES General Permit No. 2 requirements. |
| 7 | 7E-1 | ALL | Revised based on Erosion and Sediment Control Committee input. |
| 7 | 7E-3 | ALL | Revised based on Erosion and Sediment Control Committee input. |
| 7 | 7E-7 | ALL | Revised based on Erosion and Sediment Control Committee input. (REMOVE page 5). |
| 7 | 7E-8 | ALL | Revised based on Erosion and Sediment Control Committee input. |
| 7 | 7E-12 | ALL | Revised based on Erosion and Sediment Control Committee input. (REMOVE pages 15-19). |
| 7 | 7E-13 | ALL | Revised based on Erosion and Sediment Control Committee input (intentionally removed figure from page 4). |
| 7 | 7E-14 | ALL | Revised based on Erosion and Sediment Control Committee input. |
| 7 | 7E-15 | ALL | Revised based on Erosion and Sediment Control Committee input. Revised section title. |
| 7 | 7E-17 | ALL | Revised based on Erosion and Sediment Control Committee input. |
| 7 | 7E-21 | ALL | Revised based on Erosion and Sediment Control Committee input. (REMOVE page 3). |
| 7 | 7E-30 (NEW) | ALL | Developed NEW section based on Erosion and Sediment Control Committee input. |
| 7 | 7E-31 (NEW) | ALL | Developed NEW section based on Erosion and Sediment Control Committee input. |
| 11 | 11A-1, B | 2 | Corrected Iowa Administrative Code reference. |
| 12 | ENTIRE CHAPTER | ALL | Updated ENTIRE CHAPTER based on research project results. (Added new Section 12A-5 for pedestrian safety measures at crossings). |
| 13 | Table of Contents | i | Updated table of contents based on changes made to Chapter 13. |
| 13 | 13A-3 | ALL | Updated based on research project results. |
| 13 | 13A-4 | ALL | Updated based on research project results. (Change resulted in additional pages). |
Page last updated: December 18, 2023