# Federal Register
1 - 1926.452 - 85:8726-8746 - OSHA Standards and Regulations; Corrections - PDF
2 - 1926.452, 1926.452(o)(3) - 79:40790-40792 - Modification of the Uniform Chimney Variance To Include Industrial Access, Inc., and Marietta Silos LLC - PDF
3 - 1926.452 - 79:22550-22553 - Revocation of Permanent Variances Granted for Chimney Construction - PDF
4 - 1926.452 - 79:21956-21958 - Proposed Modification of the Uniform Chimney Variance To Include Industrial Access, Inc., and Marietta Silos LLC - PDF
5 - 1926.452, 1926.452(c)(1), 1926.452(c)(4), 1926.452(c)(8), 1926.452(c)(13), 1926.452(c)(14)(i) - 79:5462-5466 - Proposed Revocation of Permanent Variances Granted for Chimney Construction - PDF
6 - 1926.452, 1926.452(c)(1), 1926.452(c)(4), 1926.452(c)(8), 1926.452(c)(13), 1926.452(c)(14)(i), 1926.452(c)(16), 1926.452(o)(3) - 78:60900-60918 - 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
7 - 1926.452 - 78:17432-17448 - Kiewit Power Constructors Co. et al.; Application for a Permanent Variance and Request for Comments - PDF
8 - 1926.452 - 74:57704-57712 - Avalotis Corp.; Notice of Application for a Permanent Variance and Interim Order, Grant of an Interim Order, and Request for Comments - PDF
9 - 1926.452 - 74:41749-41757 - Gibraltar Chimney International, LLC, Hoffmann, Inc., and Kiewit Power Constructors Co.: Grant of a Permanent Variance - PDF
10 - 1926.452 - 74:41742-41749 - Gibraltar Chimney International, LLC, Hoffmann, Inc., and Kiewit Power Constructors Co.: Grant of a Permanent Variance - PDF
11 - 1926.452 - 74:4237-4245 - Calaveras Power Partners L.P., Matrix Service Inc., T. E. Ibberson Company, TIC--The Industrial Company, and Zachry Construction Corporation; Notice of Application for a Permanent Variance and Interim Order, Grant of an Interim Order, and Request for Comm - PDF
12 - 1926.452 - 71:10557-10565 - Commonwealth Dynamics, Inc., Mid-Atlantic Boiler & Chimney, Inc.,\1\ and R and P Industrial Chimney Co., Inc.; Grant of a Permanent Variance - PDF
13 - 1926.452 - 64:184-186 - Washington State Standards; Notice of Approval. - PDF
14 - 1926.452 - 59:4615-4619 - Safety Standards for Scaffolds Used in the Construction Industry.
# Letters of Interpretation
1 - 1926.452, 1926.452(j) - Toprail height requirements for pump jack scaffolds.
2 - 1926.452, 1926.452(w) - Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451.
3 - 1926.452 - Whether OSHA standards prohibit using two power hoists wired together to a single control;whether a minimum of two persons are required to be on board a two-point suspended scaffold.
4 - 1926.452 - Revised response regarding the storage of materials on a scaffold for more than one shift's work
5 - 1926.452, 1926.452(k)(1) - Requirements for fall protection when ladder jack scaffolds are used for residential and commercial construction
6 - 1926.452 - Planking, safety line, and personal fall arrest system requirements for tank builder's scaffolding.
7 - 1926.452 - Exemptions for installation of guardrails on wall (interior) side.
8 - 1926.452 - Applicable standards to lifting personnel on a platform supported by a rough-terrain forklift.
9 - 1926.452 - Acceptability of climbing over or through guardrails on scaffolds used in construction.
10 - 1926.452(o), 1926.452(p), 1926.452(q), 1926.452 - Requirements applicable to the design, inspection, and testing of imported scaffolding.
11 - 1926.452 - Longitudinal bracing across the inner and outer rows of posts on tube and coupler scaffolds.
# Regulations
1 - 1926.452 - Additional requirements applicable to specific types of scaffolds.
# Directives
1 - 1926.452 - National - CPL 02-01-023 [CPL 2-1.23] - Inspection Procedures for Enforcing Subpart L, Scaffolds Used in Construction - 29 CFR 1926.450-454