#	Federal Register
1	10/29/2026 - 1926.803 - 91:68173-68183 - Obayashi--Jay Dee Joint Venture; Cemetery Brook Drain Tunnel Project; Grant of Permanent Variance
2	12/29/2025 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 90:60752-60762 - McNally Tunneling Corp./ASI Marine Southerly Tunnel and Consolidation Project: Grant of Permanent Variance
3	07/24/2025 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(f)(3), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 90:34887-34897 - McNally Tunneling Corp./ASI Marine Southerly Tunnel and Consolidation Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
4	03/10/2023 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 88:15090-15100 - Traylor-Shea Joint Venture: Grant of Permanent Variance - PDF
5	03/11/2016 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 81:12954-12966 - Traylor Bros., Inc.; Grant of a Permanent Variance - PDF
6	10/29/2026 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 91:68173-68183 - Obayashi--Jay Dee Joint Venture; Cemetery Brook Drain Tunnel Project; Grant of Permanent Variance
7	05/29/2026 - 1926.803 - 91:32095-32105 - Obayashi-Jay Dee Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
8	05/29/2026 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(f)(2), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 91:32095-32105 - Obayashi-Jay Dee Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
9	12/29/2025 - 1926.803 - 90:60742-60752 - CBNA/Halmar Joint Venture; Potomac River Tunnel Project; Grant of Permanent Variance
10	12/29/2025 - 1926.803 - 90:60752-60762 - McNally Tunneling Corp./ASI Marine Southerly Tunnel and Consolidation Project: Grant of Permanent Variance
11	12/29/2025 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 90:60742-60752 - CBNA/Halmar Joint Venture; Potomac River Tunnel Project; Grant of Permanent Variance
12	07/24/2025 - 1926.803 - 90:34887-34897 - McNally Tunneling Corp./ASI Marine Southerly Tunnel and Consolidation Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
13	07/24/2025 - 1926.803 - 90:34902-34911 - CBNA/Halmar Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
14	07/24/2025 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(f)(2), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 90:34902-34911 - CBNA/Halmar Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
15	09/26/2024 - 1926.803 - 89:78906-78915 - Ballard Marine Construction Lower Olentangy Tunnel Project; Grant of Permanent Variance - PDF
16	09/26/2024 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(f)(2), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 89:78906-78915 - Ballard Marine Construction Lower Olentangy Tunnel Project; Grant of Permanent Variance - PDF
17	03/27/2024 - 1926.803 - 89:21274-21284 - Ballard Marine Construction Lower Olentangy Tunnel Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
18	03/27/2024 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 89:21274-21284 - Ballard Marine Construction Lower Olentangy Tunnel Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
19	02/07/2024 - 1926.803 - 8442:8451 - Ballard Marine Construction Bay Park Conveyance Tunnel Project; Grant of Permanent Variance - PDF
20	02/07/2024 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 8442:8451 - Ballard Marine Construction Bay Park Conveyance Tunnel Project; Grant of Permanent Variance - PDF
21	11/28/2023 - 1926.803 - 88:83152-83161 - Traylor-Sundt Joint Venture: Grant of Permanent Variance
22	08/04/2023 - 1926.803 - 88:51862-51872 - Ballard Marine Construction Bay Park Conveyance Tunnel Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
23	08/04/2023 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(f)(2), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 88:51862-51872 - Ballard Marine Construction Bay Park Conveyance Tunnel Project; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
24	05/01/2023 - 1926.803 - 88:26600-26610 - Traylor Bros., Inc.; Application for Modification of Permanent Variance and Interim Order; Grant of Interim Order - PDF
25	03/10/2023 - 1926.803 - 88:15090-15100 - Traylor-Shea Joint Venture: Grant of Permanent Variance - PDF
26	03/10/2023 - 1926.803 - 88:15080-15090 - McNally/Kiewit Joint Venture: Grant of Permanent Variance - PDF
27	03/10/2023 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 88:15080-15090 - McNally/Kiewit Joint Venture: Grant of Permanent Variance - PDF
28	09/26/2022 - 1926.803 - 87:58379-58389 - McNally/Kiewit Shoreline Storage Tunnel Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
29	09/26/2022 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 87:58379-58389 - McNally/Kiewit Shoreline Storage Tunnel Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
30	09/03/2022 - 1926.803 - 87:54536-54547 - Traylor Bros. Inc.; Application for Modification of Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
31	09/03/2022 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 87:54536-54547 - Traylor Bros. Inc.; Application for Modification of Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
32	04/07/2021 - 1926.803 - 86:18073 - Ballard Marine Construction; Withdrawal of Application for Variance and Revocation of Interim Order - PDF
33	01/19/2021 - 1926.803 - 86:5253-5263 - Ballard Marine Construction; Application for Permanent Variance and Interim Order; Grant of Interim Order
34	01/19/2021 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(f)(2), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 86:5253-5263 - Ballard Marine Construction; Application for Permanent Variance and Interim Order; Grant of Interim Order - PDF
35	05/11/2020 - 1926.803 - 85:27767-27775 - Salini-Impregilo/Healy Joint Venture: Grant of Permanent Variance
36	05/11/2020 - 1926.803, 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii), 1926.803(f)(2), 1926.803(e)(5), 1926.803(g)(2)(vii) - 85:27767-27775 - Salini-Impregilo/Healy Joint Venture: Grant of Permanent Variance - PDF
37	08/27/2019 - 1926.803 - 84:44932-44942 - Salini-Impregilo/Healy Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments
38	08/27/2019 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 84:44932-44942 - Salini-Impregilo/Healy Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
39	03/11/2016 - 1926.803 - 81:12954-12966 - Traylor Bros., Inc.; Grant of a Permanent Variance - PDF
40	03/11/2016 - 1926.803 - 81:12969-12972 - Authorization To Open Dockets of Denied Variance Applications for Public Access - PDF
41	08/20/2015 - 1926.803 - 80:50652-50662 - Impregilo Healy Parsons Joint Venture; Grant of a PermanentVariance - PDF
42	08/20/2015 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii) - 80:50652-50662 - Impregilo Healy Parsons Joint Venture; Grant of a PermanentVariance - PDF
43	07/27/2015 - 1926.803 - 80:44386-44398 - Traylor Bros., Inc., Application for Permanent Variance andInterim Order; Grant of Interim Order; Request for Comments - PDF
44	03/27/2015 - 1926.803 - 80:16440-16449 - Traylor/Skanska/Jay Dee Joint Venture: Grant of a Permanent Variance - PDF
45	03/27/2015 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii), 1926.803(g)(2)(vii) - 80:16440-16449 - Traylor/Skanska/Jay Dee Joint Venture: Grant of a Permanent Variance - PDF
46	02/11/2015 - 1926.803 - 80:7636-7646 - Impregilo Healy Parsons Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
47	02/11/2015 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii), 1926.803(g)(2)(vii) - 80:7636-7646 - Impregilo Healy Parsons Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
48	12/11/2014 - 1926.803 - 79:73631-73641 - Traylor/Skanska/Jay Dee Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
49	12/11/2014 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii), 1926.803(g)(2)(vii) - 79:73631-73641 - Traylor/Skanska/Jay Dee Joint Venture; Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
50	05/23/2014 - 1926.803 - 79:29809-29819 - Tully/OHL USA Joint Venture: Grant of a Permanent Variance - PDF
51	05/23/2014 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii), 1926.803(g)(2)(vii) - 79:29809-29819 - Tully/OHL USA Joint Venture: Grant of a Permanent Variance - PDF
52	01/07/2014 - 1926.803 - 79:844-853 - Tully/OHL USA Joint Venture: Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
53	01/07/2014 - 1926.803, 1926.803(e)(5), 1926.803(f)(1), 1926.803(g)(1)(iii), 1926.803(g)(1)(xvii), 1926.803(g)(2)(vii) - 79:844-853 - Tully/OHL USA Joint Venture: Application for Permanent Variance and Interim Order; Grant of Interim Order; Request for Comments - PDF
54	04/17/1987 - 1926.803 - 52:12629-32 - Variance
55	04/22/1985 - 1926.803 - 50:15756 - Compressed Air
56	10/07/1983 - 1926.803 - 48:45881 - Compressed Air
57	02/16/1972 - 1926.803 - 37:3431 - Compressed Air