Announcement: 2023 Infrastructure Design Manual is now effective

Announcement: 2023 infrastructure Design Manual now effective November 27, 2023

Houston Public Works (HPW) has completed the 2022-2023 Review Cycle. The following has been updated. 

Houston Public Works capital improvement projects with 60% designs submitted on or after November 27, 2023, must comply with the NEW requirements in the 2023 Infrastructure Design Manuel (IDM). 

Public/private sector projects submitted for initial review on or after November 27, 2023, must comply with all requirements in the 2023 IDM. Substantially complete plans submitted for initial review prior to November 27, 2023, will be held to the 2022 requirements. 

If applicants have submitted a project before November 27, 2023, and would like to use the 2023 requirements, the existing project MUST BE CANCELED AND a new project submitted. Reminder: All 2023 IDM requirements will be enforced. Refunds will NOT be given, and new fees will be applied.  

Directions on How to Cancel Your Current Project   

  1. Send an e-mail to [email protected]  on company letterhead with    

  1. Project Number   

  1. Cancellation Request   

  1. Once completed the Office of the City Engineer will email a confirmation with any outstanding balance information.    

  1. Pay your balance AND email a copy of your receipt to [email protected].   

The Houston Public Works Director has signed a IDM Cover Letter & Executive Summary , which provides a summary of updates made to all documents during the review cycle. The IDM Redlines and Construction Specifications Redlines also available for additional background. 

A public IDM Webinar will be conducted by Microsoft Teams and held in January 2024. The IDM webinar will present a high-level view of the changes implemented during the 2022-2023 Review Cycle.  

All of the content described here is accessible on the Design and Construction Standards webpage

For additional questions about the changes, please contact the Design and Construction Standards section at [email protected]