1
10/29/2026 Obayashi--Jay Dee Joint Venture; Cemetery Brook Drain Tunnel Project; Grant of Permanent Variance
2
05/29/2026 Obayashi-Jay Dee Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
3
12/29/2025 CBNA/Halmar Joint Venture; Potomac River Tunnel Project; Grant of Permanent Variance
4
12/29/2025 McNally Tunneling Corp./ASI Marine Southerly Tunnel and Consolidation Project: Grant of Permanent Variance
5
07/24/2025 McNally Tunneling Corp./ASI Marine Southerly Tunnel and Consolidation Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
6
07/24/2025 CBNA/Halmar Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
7
09/26/2024 Ballard Marine Construction Lower Olentangy Tunnel Project; Grant of Permanent Variance - PDF
8
03/27/2024 Ballard Marine Construction Lower Olentangy Tunnel Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
9
02/07/2024 Ballard Marine Construction Bay Park Conveyance Tunnel Project; Grant of Permanent Variance - PDF
10
11/28/2023 Traylor-Sundt Joint Venture: Grant of Permanent Variance
11
08/04/2023 Ballard Marine Construction Bay Park Conveyance Tunnel Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
12
05/01/2023 Traylor Bros., Inc.; Application for Modification of Permanent Variance and Interim Order; Grant of Interim Order - PDF
13
03/10/2023 Traylor-Shea Joint Venture: Grant of Permanent Variance - PDF
14
03/10/2023 McNally/Kiewit Joint Venture: Grant of Permanent Variance - PDF
15
09/26/2022 McNally/Kiewit Shoreline Storage Tunnel Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
16
09/03/2022 Traylor Bros. Inc.; Application for Modification of Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
17
01/19/2021 Ballard Marine Construction; Application for Permanent Variance and Interim Order; Grant of Interim Order
18
05/11/2020 Salini-Impregilo/Healy Joint Venture: Grant of Permanent Variance
19
08/27/2019 Salini-Impregilo/Healy Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
20
01/09/2017 Occupational Exposure to Beryllium - PDF
21
11/18/2016
Walking-Working Surfaces and Personal Protective Equipment (Fall Protection Systems)
- PDF
22
08/04/2016 Newport News Shipbuilding; Grant of a Permanent Variance - PDF
23
04/08/2016 Nucor Steel Connecticut Incorporated; Grant of a Permanent Variance - PDF
24
03/25/2016 Occupational Exposure to Respirable Crystalline Silica; Final Rule - PDF
25
03/11/2016 Traylor Bros., Inc.; Grant of a Permanent Variance - PDF
26
12/02/2015 Nucor Steel Connecticut Incorporated; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
27
07/29/2015 Newport News Shipbuilding; Notice of Application for a Permanent Variance and Request for Comments - PDF
28
07/27/2015 Traylor Bros., Inc., Application for Permanent Variance andInterim Order; Grant of Interim Order; Request for Comments - PDF
29
05/04/2015
Confined Spaces in Construction; Final Rule
- PDF
30
03/27/2015 Traylor/Skanska/Jay Dee Joint Venture: Grant of a Permanent Variance - PDF
31
02/11/2015 Impregilo Healy Parsons Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
32
12/11/2014 Traylor/Skanska/Jay Dee Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
33
05/23/2014 Tully/OHL USA Joint Venture: Grant of a Permanent Variance - PDF
34
01/07/2014 Tully/OHL USA Joint Venture: Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
35
10/02/2013 Kiewit Power Constructors Co. et al. [Avalotis Corp., Bowen Engineering Corporation, Commonwealth Dynamics, Inc., Gibraltar Chimney International, LLC, Hamon Custodis, Inc., Hoffmann, Inc., International Chimney Corporation, Karrena International Chimney, Matrix SME, Inc., NAES Power Contractors, Pullman Power, LLC, R and P Industrial Chimney Co., Inc., T. E. Ibberson Company, TIC--The Industrial Company]; Grant of a Permanent Variance - PDF
36
10/02/2013
Kiewit Power Constructors Co. et al. [Avalotis Corp., Bowen Engineering Corporation, Commonwealth Dynamics, Inc., Gibraltar Chimney International, LLC, Hamon Custodis, Inc., Hoffmann, Inc., International Chimney Corporation, Karrena International Chimney,
- PDF
37
03/21/2013
Kiewit Power Constructors Co. et al.; Application for a Permanent Variance and Request for Comments
- PDF
38
04/28/2010
Avalotis Corp.; Grant of a Permanent Variance
- PDF
39
08/17/1971
Definitions
