April 2020 District Agenda

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 meeting and schedule of district meetings
    The minutes of the February webinar will be considered. The schedule of district meetings will be presented.

Design Manual Items

  1. General provisions (Chapter 1)
    Updated the chapter based on current practices.
  2. Water main LUST interaction (Section 4C-1)
    Modified to match Iowa DNR permit requirements for interaction of water mains and LUST sites.
  3. Minimum street width alternative (Sections 5C-1 and 5C-2)
    Updated Table 5C-1.01 by adding an additional 27 feet back-to-back street width and a 48 foot cul-de-sac radius alternative when agencies have larger fire apparatus.
  4. Lane width and capacity (Section 5C-2, A)
    Updated to reflect new lane width and capacity relationships.
  5. Driveway design for low volume residential streets (Sections 5L-3 and 5L-4)
    Updated point of width measurement, established width based on number of garage stalls, clarified joint driveway width, and updated distance from intersections.
  6. Utility locating site restoration (Design Section 5I-3; Spec Sections 3020 and 7040)
    Added information to address re-establishment of the pavement following cutting of core holes in pavements for utility location.

Specifications Manual Items

  1. Abbreviations and definitions (Section 1010)
    Added abbreviations and definitions for commonly used terms.
  2. Deleted bid items (Section 1040, 1.06, C)
    Added information on paying for delivered materials if the bid item is deleted.
  3. Project area maintenance (Section 1070, 2.08, C)
    Added clarification concerning maintenance of the work area during the project.
  4. Visual inspection of sewers (Section 4060, 3.02)
    Deleted requirement for lamping sewers and culverts.
  5. Water main pipe options (Section 5010, 2.01, 2.03, and 3.04)
    Deleted prestressed concrete cylinder pipe as a standard water main pipe since it has limited use and application.
  6. Fire hydrants (Spec Section 5020, 3.03, F and Design Section 4C-1, E)
    Clarified fire hydrant placement and orientation to meet 2018 International Fire code.
  7. Steps in deep structures (Section 6010, 2.13; Figures SW-301, 303, 304, 305, 401, 404, 405)
    Added steps for structures deeper than 20 feet.
  8. Cross slope for sidewalks, driveways, and shared use paths (Section 7030, 3.04)
    Clarified maximum, target, and minimum cross slope requirements.
  9. Water for seeding (Section 9010, 1.08, D)
    Modified the measurement and payment for watering to eliminate confusion of MGAL, which has been misinterpreted as a million gallons rather than 1,000 gallons.


  1. Discussion items
    • Curing of sidewalks, driveways, and shared use paths – change default to cure?
    • Any confusion about proof rolling and the loading on the trucks?
    • Should we add specifications for PVC/HDPE concrete pipe liner to combat caustic sewage?
    • Should we modify DIP water main specifications to pressure class from thickness class?
    • Other?
  2. Iowa Public Works Service Bureau update
    An update on the project will be given.
  3. 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.

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

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

Page revised: March 26, 2020