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Agenda for SUDAS District Meetings
April 2017

The files included below have not been approved by the Board of Directors and are merely DRAFT revisions to the SUDAS manuals.


  1. Minutes of the previous meetings and schedule of district meetings
    The minutes of the February meeting will be considered.  The proposed schedule of district meetings will be presented.

Design Manual Items

  1. Asphalt binder and grade (Section 5D-1, C, 6)
    Updating information on binder selection for northern tiers of counties, intermediate and base layers, and for overlays.
  2. Pavement overlays (Section 5J-1)
    New section for HMA and PCC overlays and associated interlayers.

Specifications Manual Items

  1. Trench stabilization materials (Section 3010, 2.05)
    Adding a standard gradation option (Iowa DOT Gradation No. 13).
  2. PVC water main pipe (Section 5010, 2.01, A)
    Deleted references to AWWA C905 due to combining of AWWA C900 and C905.
  3. Use of fly ash and slag (Section 7010, 2.02, C)
    Remove the restriction for use of fly ash and slag only with ready mix concrete.
  4. Laser guided screed and concrete pumping (Section 7010, 3.01, B & C and 3.02, F)
    Adding to the specifications to allow the use of laser guided screeds and concrete pumping.
  5. PCC overlay pavement (Sections 7010 and 7011)
    New section for PCC overlays projects.
  6. HMA overlay pavement (Sections 7020 and 7021)
    New section for HMA overlays projects.
  7. Sidewalk consolidation (Section 7030, 3.04, B)
    Clarify that sidewalk thickness 5 inches or less do not require use of a hand vibrator.
  8. Form setting and testing (Section 7030, 3.04 and 3.08)
    Adding criteria for when the Engineer would provide staking and also requirements on the timing of compliance checks for sidewalks, curb ramps, turning spaces, and shared use paths.
  9. Pavement rehabilitation (Section 7040)
    Updating information on partial depth patches and added a section on dowel bar retrofit for PCC pavements.


  1. Discussion items
    1. Pay construction survey on a similar basis as mobilization?
    2. Boxout detail for water valve box in HMA?
    3. Use of SUDAS on Iowa DOT’s Electronic Reference Library?
    4. Update on AMG changes
    5. Update on pavement thickness design
    6. Other?
  2. Products and/or research
    District committee members can suggest new products to be proposed for SUDAS manual inclusion; suggestions for potential research projects can also be made at this time.

Page revised: March 28, 2017