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The 2022 edition of Division 01 - General Requirements Specifications
Last updated: July 28, 2022
Historical groundwater plant design guidelines
Last updated: Jan. 2011
Memo for restrict flood bond projects to municipalities.
Cover letter explaining the supplemental changes made to Chapter 9 of the Infrastructure Design Manual.
Last updated: January 26, 2021
Executive summary and cover letter for the 2022 edition of the Infrastructure Design Manual
Last updated: July 1, 2022
Current groundwater plant design guidelines (effective Oct. 1, 2021)
Last updated: July 1, 2021
Chapter 9.2.01 supplement for design rainfall events, pipe sizes and placement, and inlet
This supplement modifies storm detention requirements in Chapter 9 of the Infrastructure Design Manual (IDM).
Last updated: March 17, 2021
The 2022 version of the Infrastructure Design Manual (IDM)
Last updated: November 21, 2023