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2022 IDM Redlines
2022 Division 01 General Requirements Specifications

The 2022 edition of Division 01 - General Requirements Specifications

 

Last updated: July 28, 2022

Harris County Records Memo

Memo for restrict flood bond projects to municipalities.

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

2022 Infrastructure Design Manual

The 2022 version of the Infrastructure Design Manual (IDM)

 

Last updated: November 21, 2023

2019 Infrastructure Design Manual

The 2019 version of the Infrastructure Design Manual (IDM)

2023 Division 02-16 Standard Construction Specifications

The 2023 edition of Division 02-16 Standard Construction Specifications

 

Last updated: November 21, 2023

IDM Chapter 9 Storm Detention Supplement

This supplement modifies storm detention requirements in Chapter 9 of the Infrastructure Design Manual (IDM).

 

Last updated: March 17, 2021

2023 Infrastructure Design Manual

The 2023 edition of the Infrastructure Design Manual (IDM) will go into effect on November 27, 2023

 

Last updated: November 21, 2023