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Current Groundwater Plant Design Guidelines

Current groundwater plant design guidelines (effective Oct. 1, 2021)

Last updated: July 1, 2021

00933 Request For Clarification Change
00550 Contract Approval Notification
00498 Notice of Intent To Award
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

00102 Prebid Project Information Form
00640 Application And Certificate For Payment
00652 Memo Form for Clearance Request AA
Harris County Records Memo

Memo for restrict flood bond projects to municipalities.

00106 Wage Rate & MWBE Factsheet