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2022 IDM Redlines
2023 Review Cycle IDM Redlines
2022-2023 Review Cycle Infrastructure Design Manual Redlines
Updated 11-27-2023
2023 Division 02-16 Standard Construction Specifications
The 2023 edition of Division 02-16 Standard Construction Specifications
Last updated: November 21, 2023
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
Harris County Records Memo
Memo for restrict flood bond projects to municipalities.
2023 Cover Letter & Executive Summary
2023 Cover Letter and Executive Summary
Updated November 27, 2023
Elevation Certificate FAQs
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
FEMA Elevation Certificate and Instructions
Updated April 2, 2024