April Agenda

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


  1. Election of officers
    The corporation bylaws were revised to switch from 6 districts to 3 regions.  Each region is to elect a Chair and a Vice-Chair every two years.
  2. Minutes of the previous meeting and schedule of meetings
    The February webinar minutes and schedule of meetings will be presented.

Design Manual Items

  1. Erosion and sediment control (Design Sects 7E-5, 7E-18, and 7E-21; Spec Sect 9040)
    Revise spec section based on last year’s revisions to the erosion and sediment control design sections, which lead to additional design revisions.

Specifications Manual Items

  1. Working days for curing concrete (Section 1080, 1.06, B, 2)
    Modify language to clearly define working days will be charged for concrete curing time of pavements and structural concrete when it is the controlling item of work.
  2. Geogrid (Section 2010, 2.04)
    Revise Table 2010.03 to be more inclusive beyond “triaxial” geogrids to include “multiaxial” configuration.  This alteration will not eliminate any materials currently allowed.
  3. Unsuitable backfill material (Section 3010, 1.08, A, 2 and D)
    Modify language to more clearly define incidental removal of soil material and costs associated with removal and replacement of unsuitable trench materials.
  4. Pipe cleaning and rehabilitation (Section 4050)
    Revise section to provide separate specifications for cleaning from rehabilitation and added payment for the removal and disposal of materials from site.  This will allow communities to use SUDAS Specifications for letting just cleaning projects, if necessary.
  5. Surface water crossing (Section 5010, 3.06, E)
    Language was mistakenly deleted when the DNR rules for water and sewer conflict requirements were updated.
  6. Connection to existing manhole or intake (Section 6010, 1.08, G and 3.05, A)
    Add language about removing/replacing fillet.
  7. Pavement joints (Figure 7010.101/PV-101)
    Iowa DOT Construction and Materials Bureau requested adding elliptical dowels as an option for dowel joints.  Iowa DOT Bridges and Structures Bureau also requested changing how the CF joint is constructed.
  8. Concrete cold weather protection (Section 7010, 1.08)
    Revise language to state cold weather protection would not be considered incidental for work occurring within the contract times and established unit price for cold weather protection.
  9. Asphalt cold weather paving (Section 7020, 1.08, N and 3.01, H)
    Modify language to state cold paving would not be considered incidental for work occurring within the contract times and allowed by the Engineer and established unit price for cold weather paving..
  10. Chain link fence (Section 9060, 3.01, B, 2, b)
    Add language to allow mechanical installation of posts for only residential fences according to ASTM F 567, if allowed by the contract documents.
  11. Combined retaining wall – sidewalk (Figure 9072.221/MI-221)
    Add a clarification dimension to the Type A wall detail.


  1. Discussion items
    • Modifications to pre-development runoff rates due to SF455.
    • Clarification on Figure 4040.233, note 9 – “for subdrain outlet to ditch, only use fork type rodent guard.”
    • Other?
  2. Iowa Public Works Service Bureau update
    An update on the project will be given. {Click on the link above and register as a member to check out all we have to offer!}
  3. Products and/or research
    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.

If you would like to print the whole packet, click here!

(The packet is set up to print double sided, with dividers)

Page revised: April 23, 2024