Rule lifecycle · DOCKET:OSHA-2025-0002

CBNA/Halmar Joint Venture; Potomac River Tunnel Project; Grant of Permanent Variance

Department of Labor, Occupational Safety and Health Administration — observed across 2 documents over 158 days. Use the source documents below before deciding whether this affects your business.

In plain English

OSHA approved a permanent safety exception for the Potomac River Tunnel project allowing a modified safety plan instead of standard rules. Small contractors bidding on tunnel work should know that OSHA grants variances, but you must request written approval and strictly follow your approved plan.

First seen

Jul 24, 2025

Last seen

Dec 29, 2025

Latest stage

Notice

PRORULE → RULE

Effective on

Monday, December 29, 2025

Stage timeline

  1. Notice·Jul 24, 2025

    CBNA/Halmar Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments

    effective Jul 24, 2025#2025-13885

  2. Notice·Dec 29, 2025

    CBNA/Halmar Joint Venture; Potomac River Tunnel Project; Grant of Permanent Variance

    effective Dec 29, 2025#2025-23805