Use a mixture of filters or keywords to find documents and resources by department, type or topic.

Review Cycle Specification Redlines

2019-2020 Review Cycle Standard Specifications Redlines

Review Cycle Infrastructure Design Manual Redlines

2020 IDM redlines


2023 Review Cycle Comment Form

Last Update: July 30, 2023

IDM Chapter 9 storm detention cover letter

Cover letter explaining the supplemental changes made to Chapter 9 of the Infrastructure Design Manual.


Last updated: January 26, 2021

IDM Chapter 9.2.01 Supplement

Chapter 9.2.01 supplement for design rainfall events, pipe sizes and placement, and inlet

Historical Groundwater Plant Design Guidelines

Historical groundwater plant design guidelines

Last updated: Jan. 2011

2019 Infrastructure Design Manual

The 2019 version of the Infrastructure Design Manual (IDM)

Review Cycle Detail Redlines
2022 Division 01 General Requirements Specifications

The 2022 edition of Division 01 - General Requirements Specifications


Last updated: July 28, 2022