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 2022 Edition, the revisions below will not coordinate with your manual.
Download a complete packet of the revisions
2023 Edition card for the Design Manual
| Chapter | Section | Pages | Summary of Changes |
|---|---|---|---|
| Intro | Updated the Contributors and Acknowledgments page. Note - if you want to replace the small business card for the spine of your manual, click on the link above. | ||
| 1 | Table of Contents | i-ii | Updated table of contents based on changes made to Chapter 1. |
| 1 | 1D-1, H | 9-10 | Updated Iowa DOT’s rail section terminology. |
| 1 | 1D-2 | ALL | Revised the “items to be specified” list based on corrections and SUDAS Specifications revisions. |
| 1 | 1D-3 | ALL | Updated the “incidental or included items” list based on corrections and SUDAS Specifications revisions. |
| 1 | 1D-4 | ALL | Updated the “bid item” list based on corrections and SUDAS Specifications revisions. |
| 2 | Table of Contents | iii-iv | Updated table of contents based on changes made to Chapter 2. |
| 2 | 2A-2, A | 1-2 | Deleted reference to Iowa Drainage Law Manual as it is very old and no longer available. |
| 2 | 2A-3, C | 3-4 | Added roundabouts to the street classifications related to allowable spread of stormwater. |
| 2 | 2B-2, C | 7 | Updated the hyperlink. |
| 2 | 2B-4 | 11-12 | In Equation 2B-4.08, Fp should reference Table 2B-4.07. |
| 2 | 2C-3, G, 6 | 13-14 | Added preferred manhole drop of 0.3 feet and maintained minimum of 0.10 feet. |
| 2 | 2D-1, F | 3-4 | Updated water and sewer separation language based on new Iowa DNR rules. |
| 3 | 3C-1, G and L | 3-8 | Updated water and sewer separation language based on new Iowa DNR rules. Revised preferred manhole drop to 0.3 feet. |
| 4 | Table of Contents | i | Updated table of contents based on changes made to Chapter 4. |
| 4 | 4C-1, G | 3-10 | Updated water and sewer separation language based on new Iowa DNR rules; affected pages the followed. |
| 5 | Table of Contents | i-iv | Updated table of contents based on changes made to Chapter 5. |
| 5 | 5D-1 | ALL | Changed terminology from HMA to asphalt; updated references and other minor corrections. |
| 5 | 5J-1 | ALL | Updated section references. |
| 7 | 7E-29, D | 3 | In the last sentence, corrected the reference. |
| 13 | 13A-5 | ALL | Updated MnDOT references. |
Page last updated: December 7, 2022