Changelog
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Major Updates
- 103.6.2 - Section has been rewritten to include more abutment types and update selection preferences.
- 103.9 - ABC section rewrite.
- 104.1.5 - Updated topographic data and survey information.
- 104.2 - Updated to current SIR.
- 104.2.4 - Updated hydrologic analysis method selection guidance.
- 104.2.5 - Added evacuation route criteria.
- 104.2.6 - Revised confidence interval discussion and guidance.
- 104.3.4.7 - Updated to most recent publication of HEC-25.
- 104.4.4 - Clarified general scour analysis guidance for rigid frames and substructure footings.
- 104.4.5 - Revised scour countermeasure design guidance for rigid frames.
- 104.4.5.1 - Added guidance for larger riprap alternatives.
- 104.5.4 - Revised pump diversion guidance.
- 104.5.2 - Removed outdated riprap sizing figure. Updated bank protection references.
- 104.8 - Removed outdated reference to PDM.
- 104.9 - Updated References.
- 106.5.2 - Added guidance on slip-forming barrier.
- 106.8.7.1.3 - Changed paint colors for structural steel.
- 106.8.9.1.2 - Updated wind loading design requirements.
- 106.8.9.1.3 - Updated fit condition guidance for cross-frames.
- 106.9.7 - Inserted new section to refer to the new section 205.9.2.3.2b.
- 107.3 - Updated sub-foundation concrete depth to rock.
- 107.3.2 - Added guidance for spread footings partially bearing on rock.
- 107.3.5.3 - Adjusted MSEW step heights.
- 107.4.1 - Rewrite of Semi-integral and Integral abutment sections.
- 107.6.1 - Added guardrail clearances from MSE walls.
- 108 - Replaced section 108 with reference to the BLRM.
- 109.11.3.3 - Added splash zone definition.
- 205.9.2.3.2b - Added departmental preferences for tensile stress limits of prestressed concrete beams.
Minor Updates
- Adjusted TOC for new sections