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Review Cycle Specification Redlines
2019-2020 Review Cycle Standard Specifications Redlines
2023-2024 Review Cycle Public Notice
Review Cycle Detail Redlines
2022 IDM Redlines
2022 Division 01 General Requirements Specifications
The 2022 edition of Division 01 - General Requirements Specifications
Last updated: July 28, 2022
Historical Groundwater Plant Design Guidelines
Historical groundwater plant design guidelines
Last updated: Jan. 2011
Signs Electronic Invoicing Notice
Paperless billing announcement & e-invoicing opt-in form.
Harris County Records Memo
Memo for restrict flood bond projects to municipalities.
2147 Prerequisites Plan Procedures
Prerequisites Plan Procedures.
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