#	Federal Register
1	02/23/2024 - 1926.652 - 89:13750-13752 - Excavations Standard (Design of Cave-in Protection Systems); Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
2	03/28/2018 - 1926.652 - 83:13314-13315 - Agency Information Collection Activities; Submission for OMB Review; Comment Request; Excavation Cave-In Protection System Design Standard - PDF
3	07/28/2011 - 1926.652 - 76:45297-45298 - Agency Information Collection Activities; Submission for OMB Review; Comment Request; Design of Excavation Cave-in Protection Systems - PDF
4	04/06/2011 - 1926.652 - 76:19129-19131 - Excavations (Design of Cave-in Protection Systems); Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
5	02/13/2008 - 1926.652 - 73:8374-8375 - Design of Cave-in Protection Systems; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
6	04/07/2005 - 1926.652 - 70:17718-17719 - Submission for OMB Review: Comment Request - PDF
7	12/07/2004 - 1926.652 - 69:70710-70711 - Design of Cave-in Protection Systems; Extension of the Office of Management and Budget's (OMB) Approval of Information-Collection Requirements (Paperwork) - PDF
8	04/16/1999 - 1926.652 - 64:18809-18810 - Office of Management and Budget Control Numbers Under the Paperwork Reduction Act for Miscellaneous Construction Industry Rules. - PDF
9	10/07/1998 - 1926.652 - 63:53930-53937 - Submission for OMB Review; Comment Request - PDF
10	07/10/1998 - 1926.652 - 63:37415-37416 - Design of Cave-in Protection Systems; Information Collection Requirements. - PDF
11	10/31/1989 - 1926.652 - 54:45894-45991 - Excavations; Construction; Trenching; Shoring; Sloping; Benching;Final Rule
12	02/23/1988 - 1926.652 - 53:5280-82 - Excavation
13	04/15/1987 - 1926.652 - 52:12288-339 - Excavation
14	11/16/1972 - 1926.652 - 37:24345 - Trenching

#	Directives
1	07/01/2021 - 1926.652 - National - CPL 02-00-165 [CPL 02-00-087] - Compliance Directive for the Excavation Standard, 29 CFR 1926, Subpart P - PDF

#	Standard Interpretations
1	10/13/2009 - 1926.652, 1926.652(a)(1), 1926.652(b), 1926.652(c) - Protective system requirements for excavations that will not be entered by employees.
2	12/22/2003 - 1926.652, 1926.652(a), 1926.652(b), 1926.652(b)(3), 1926.652(b)(4) - Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet.
3	11/14/2003 - 1926.652, 1926.652(g)(1)(ii) - Permissibility of installing a trench shield so that the top is flush with the surface.
4	01/16/2003 - 1926.652, 1926.652(c), 1926.652(c)(1), 1926.652(c)(2), 1926.652(c)(3), 1926.652(c)(4), 1926.652(b) - Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
5	09/21/2001 - 1926.652 - Clarification of utility "owner" as used in the Safety and Health Standards for Excavations, Underground Installations.
6	02/01/1996 - 1926.652 - Clarification of house foundation/basement excavation;Fall protection requirements.
7	09/07/1995 - 1926.652 - Concerns with the OSHA June 30 memorandum concerning the application of 29 CFR 1926.652 to house foundation/basement excavations.
8	06/30/1995 - 1926.652 - Suspension of 29 CFR 1926.652 to House Foundation/Basement Excavations.
9	04/05/1995 - 1926.652 - Whether or not organic rock, such as "Miami oolite rock" should be considered by OSHA as "stable rock".
10	03/28/1994 - 1926.652 - Safety Procedures During Gunite and Shotcrete Pool Construction.
11	02/19/1993 - 1926.652 - Plywood as a substitute for meeting the standard.
12	05/21/1992 - 1926.652 - Design of protective systems for employees working in trenches.
13	05/21/1992 - 1926.652 - Design of Protective Systems in Trenches.
14	05/05/1992 - 1926.652 - Excavation standards relating to aluminum rail.
15	04/15/1992 - 1926.652 - Use of plywood for shoring and support systems in trenches and excavations.
16	12/02/1991 - 1926.652 - Standards addressing excavations
17	10/01/1991 - 1926.652 - Classification and subsequent designs may be used if they have been approved by a registered professional engineer.
18	06/05/1991 - 1926.652 - Testing of type C soil is not necessary if employees are adequately protected.
19	01/09/1991 - 1926.652 - Clarification of Standards

#	Regulations
1	05/07/2004 - 1926.652 - Requirements for protective systems.