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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 Independent Third Party Energy Technicians (CE-1406)

List of Registered Independent Energy Technicians.

Last Updated: February 20, 2026

02317-09 (2020 Detail)

2020 Detail for 02317-09 Standard LDWL Excavation and Backfill Detail 

COH-TB-STD_ANSI_A Mod.dwg

City of Houston Standard Detail Title Block - ANSI A (8.5 x 11 inches) uploaded 12-12-2023

02447-01 Bedding Backfill Auger Pit Auger Hole
COH-TB-STD_ANSI_D Mod.pdf

City of Houston Standard Detail Title Block - ANSI D (34 x 22 inches) uploaded 12-12-2023

02523-01 Reduced Pressure Backflow Preventer RPBP
02520-01 (2020 Detail)

2020 Detail for 02520-01 Standard Fire Hydrant Detail 

List of Registered Special Inspectors

List of approved special inspectors. 

Last updated: February 19, 2026

15641-02 (2020 Detail)

2020 Detail for 15641-02 Standard LDWL Cathodic Protection Details for Test Stations (Sheet 2 of 3)