Latest Specifications Revisions
The table below summarizes the changes made with the latest revisions to the SUDAS Standard Specifications. There is also a link below that contains the entire revision packets. However, if your manual is not updated to the 2020 Edition, the revisions below will not coordinate with your manual.
Download a complete packet of the revisions
2021 Edition card for the Specifications
Specifications revision cover letter
| Division | Section | Pages | Summary of Change |
|---|---|---|---|
| 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-iv | Updated based on changes made in Division 1. |
| 1 | 1010 | ALL | Replace ENTIRE SECTION with enclosed pages. Added new abbreviations and definitions. |
| 1 | 1040, 1.06, C | 3-6 | Added information on paying for delivered materials if the bid item is deleted. |
| 1 | 1060, 1.02 | 1-2 | Add “and other substitutions” to the title to tie the technical specs back to Division 1. |
| 1 | 1070, 2.08, C | 9-12 | Added clarification concerning maintenance of the work area during the project. |
| 2 | 2010, 3.06, B and 3.09, C | 17-18 | Eliminated confusion and expanded options to include loaded truck and weighted/ticketed truck. Deleted old ASTM references and replaced with new one. |
| 3 | Table of Contents | i-ii | Updated based on changes made in Division 3. |
| 3 | 3010, 2.05, B | 7-8 | Changed Iowa DOT Gradation 13 to 13a. |
| 3 | Figure 3010.102 | 1-2 | Iowa DOT requested adding a note at the top to state it is not intended for primary roadways. |
| 3 | Figure 3010.103 | 1-2 | Iowa DOT requested adding a note at the top to state it is not intended for primary roadways. |
| 3 | Figure 3010.104 | 1 | Iowa DOT requested adding a note at the top to state it is not intended for primary roadways. |
| 3 | 3020 | ALL | Added information for surface restoration. |
| 4 | Table of Contents | v-vi | Updated based on changes made in Division 4. |
| 4 | 4010, 1.08 and 2.01 | 1-10 | Expanded options for lining of concrete pipe to include PVC and HDPE. |
| 4 | 4050, 1.03 | 1-2 | Added requirements related to styrene dispersion identified in recent research. |
| 4 | 4050, 2.01, A | 7-8 | Corrected ASTM reference typo. |
| 4 | 4050, 3.03, E-G | 15-18 | Corrected outline typos. |
| 4 | 4060, 3.02 | 3-7 | Deleted visual inspection item and renumbered items that followed. |
| 5 | Table of Contents | i-ii | Updated based on changes made in Division 5. |
| 5 | 5010 | 3-11 | Deleted prestressed concrete cylinder pipe and updated material requirements for ductile iron pipe. |
| 5 | 5020, 3.03 | 7-8 | Clarified the fire hydrant placement and orientation to meet 2018 International Fire Code. |
| 5 | Figure 5020.201 | 1 | Clarified that the anchor tee is part of the fire hydrant assembly. |
| 5 | 5030, 3.06-3.08 | 5-6 | Updated to provide an alternate sampling process. |
| 6 | Table of Contents | ALL | Updated based on changes made in Division 6. |
| 6 | 6010, 1.08, 2.09, and 2.13 | 1-10 | Expanded options for lining of concrete pipe to include PVC and HDPE. Updated ASTM reference. Added steps for structures deeper than 20 feet. |
| 6 | 6010, 3.05 and 3.06 | 17-18 | Corrected formatting errors. |
| 6 | Figures 6010.301-405 | ALL | Added steps for structures deeper than 20 feet; updated infiltration barrier depiction and note. |
| 6 | Figure 6010.513 | 1 | Updated notes. |
| 6 | Figure 6010.542 | 1-4 | Reissued to remove “interim” from the title block. |
| 7 | Table of Contents | v-x | Updated based on changes made in Division 7. |
| 7 | 7021 | ALL | Deleted Hamburg testing requirement from subsection 2.05; affected pages that followed. |
| 7 | 7030, 3.04 and 3.05 | 7-12 | Clarified maximum, target, and minimum cross slope requirements, which shifted pages down. Also changed the default to curing PCC sidewalks, shared use paths, and driveways (rather than “when specified”). |
| 7 | 7040, 1.01, 1.02, 1.08, 2.01, and 3.01 | 1-8 | Added information for restoring the pavement after utility locations. Designated a specific gradation to extend grout. |
| 7 | 7040, 3.11 | 15-16 | Added information for restoring the pavement after utility locations. |
| 7 | Figure 7040.101 | 1 | Expanded joint options depending on paving sequence. |
| 7 | Figure 7040.102 | 1 | Expanded joint options depending on paving sequence. |
| 7 | Figure 7040.107 | 1 | Added new figure for restoring the pavement after utility locations. |
| 7 | 7080, 2.03 | 3-4 | Deleted the AASHTO and ASTM references in the various aggregates as they do not match the Iowa DOT's gradations. Changed Iowa DOT Gradation 13 to 13a. |
| 7 | 7080, 3.01, 3.05-3.09 | 5-8 | Updated compaction standards for the various layers when constructing a permeable interlocking pavement. |
| 8 | Table of Contents | i-ii | Updated based on changes made in Division 8. |
| 8 | 8010, 2.01, A, 4 | 3-14 | Added HDPE handhole to acceptable products, which shifted pages down. |
| 8 | Figure 8010.103 | 1-2 | Added an HDPE handhole. |
| 8 | 8030, 2.02, E | 3-4 | Minor correction. |
| 9 | 9010, 1.08, D, 3 | 3-4 | Clarified confusion of MGAL. |
| 9 | 9010, 2.07, C, 5 | 13-14 | Updated AASHTO reference. |
Page last updated: December 2, 2020