Use a mixture of filters or keywords to find documents and resources by department, type or topic.
Storm Water Quality Permit Application (Amendment/Ownership Change)
Application form for a storm water quality (SWQ) permit.
Last updated: July 2024
COH Drawing Template (.dwt)
COH Standard Abbreviations (.dwg)
00010 Table of Contents
Table of contents for all of the City of Houston standard documents for construction.
Last update: February 2026
02522-01 Standard LDWL Butterfly Valve and Operator Manhole Details
2023 Standard Construction Specifications
2023 Standard Construction Specifications
Updated 11-27-2023
00629 Affidavit For FAA Form 7460-1
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
CP General Notes (PDF)
General Construction Notes Inside City Limits
General construction notes for projects inside the City limits.
Last updated: Feb. 3, 2023