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Memo for restrict flood bond projects to municipalities.
Chapter 9.2.01 supplement for design rainfall events, pipe sizes and placement, and inlet
Current groundwater plant design guidelines (effective Oct. 1, 2021)
Last updated: July 1, 2021
Executive summary and cover letter for the 2022 edition of the Infrastructure Design Manual
Last updated: July 1, 2022
2022-2023 Review Cycle Infrastructure Design Manual Redlines
Updated 11-27-2023
This supplement modifies storm detention requirements in Chapter 9 of the Infrastructure Design Manual (IDM).
Last updated: March 17, 2021
Cover letter explaining the supplemental changes made to Chapter 9 of the Infrastructure Design Manual.
Last updated: January 26, 2021
2023 Cover Letter and Executive Summary
Updated November 27, 2023
Prerequisites Plan Procedures.