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Importing Standard Details Guide

Guide on how to import standard details into the project title block.

Last updated: December 11, 2023

List of Registered Independent Third Party Energy Technicians (CE-1406)

List of Registered Independent Energy Technicians.

Last Updated: February 18, 2026

List of Registered Fabricators

The fabricators on this list have been certified by a third-party agency and approved by the City of Houston to produce or fabricate primary structural components for buildings.

Last updated: February 19, 2026

List of Registered Special Inspectors

List of approved special inspectors. 

Last updated: February 19, 2026

02520-02 Fire Hydrant On A Steel Section (DWG)
List of Licensed Sign Contractors

List of sign contractors currently licensed with the City of Houston.

Last updated: January 30, 2025

General Requirements and Standard Construction Specifications Redlines from 2022-2023 Review Cycle

General Requirements and Standard Construction Specifications Redlines from 2022-2023 Review Cycle

Updated 11-26-2023

Chapter 13 2021
Supplement to IDM Chapter 9 (May 16, 2025)

Last Updated: 05/16/2025

02502-03 12 Diameter Waterline Crossing (DWG)