1
05/21/1992
Design of Protective Systems in Trenches.
2
05/02/2013 Regulations governing sloping and benching systems for excavations.
3
03/11/2013 Allowable gap requirement between the trench shield and trench sides.
4
07/01/2010 Can a person who qualifies as a "competent" person under one section of support P also qualify as a competent designer of structural ramps under 1926.651(c)(1)(i)?.
5
07/01/2010 Can a person who qualifies as a "competent" person under one section of support P also qualify as a competent designer of structural ramps under 1926.651(c)(1)(i)?.
6
07/01/2010 Can a person who qualifies as a "competent" person under one section of support P also qualify as a competent designer of structural ramps under 1926.651(c)(1)(i)?.
7
10/13/2009 Protective system requirements for excavations that will not be entered by employees.
8
10/13/2009 Protective system requirements for excavations that will not be entered by employees.
9
10/13/2009 Protective system requirements for excavations that will not be entered by employees.
10
10/13/2009
Protective system requirements for excavations that will not be entered by employees.
11
07/29/2005 Adjusting work practices to comply with cave-in protection requirements in §1926.652, Requirements for protective systems in excavations.
12
09/30/2004 Permissibility of using average excavation depth to determine protective system requirements for the excavation.
13
09/30/2004 Permissibility of using average excavation depth to determine protective system requirements for the excavation.
14
09/30/2004 Permissibility of using average excavation depth to determine protective system requirements for the excavation.
15
09/30/2004 Permissibility of using average excavation depth to determine protective system requirements for the excavation.
16
12/22/2003 Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet.
17
12/22/2003 Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet.
18
12/22/2003 Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet.
19
12/22/2003 Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet.
20
12/22/2003
Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet.
21
11/14/2003 Permissibility of installing a trench shield so that the top is flush with the surface.
22
11/14/2003
Permissibility of installing a trench shield so that the top is flush with the surface.
23
01/16/2003 Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
24
01/16/2003 Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
25
01/16/2003 Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
26
01/16/2003 Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
27
01/16/2003 Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
28
01/16/2003 Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
29
01/16/2003
Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.
30
09/21/2001
Clarification of utility "owner" as used in the Safety and Health Standards for Excavations, Underground Installations.
31
10/17/2000 Requirements to prevent trench collapse during sheet-pile operations.
32
08/10/2000 Trench shield must extend 18" above excavation walls when below grade.
33
10/20/1999 Trench shields must be installed to prevent lateral movement in a collapse.
34
10/15/1999 Excavations may be shored with wooden shoring.
35
10/15/1999 Excavations may be shored with wooden shoring.
36
02/01/1996
Clarification of house foundation/basement excavation;Fall protection requirements.
37
09/07/1995
Concerns with the OSHA June 30 memorandum concerning the application of 29 CFR 1926.652 to house foundation/basement excavations.
38
06/30/1995
Suspension of 29 CFR 1926.652 to House Foundation/Basement Excavations.
39
04/05/1995
Whether or not organic rock, such as "Miami oolite rock" should be considered by OSHA as "stable rock".
40
03/28/1994
Safety Procedures During Gunite and Shotcrete Pool Construction.
41
07/16/1993 Minimum length that an excavation must be before a protective system is required.
42
02/19/1993
Plywood as a substitute for meeting the standard.
43
05/21/1992
Design of protective systems for employees working in trenches.
44
05/05/1992
Excavation standards relating to aluminum rail.
45
04/15/1992
Use of plywood for shoring and support systems in trenches and excavations.
46
03/10/1992 Classification of soils for providing protective systems in excavations.
47
12/02/1991
Standards addressing excavations
48
11/07/1991 Design and use of trench boxes
49
10/01/1991
Classification and subsequent designs may be used if they have been approved by a registered professional engineer.
50
06/05/1991
Testing of type C soil is not necessary if employees are adequately protected.
51
01/09/1991
Clarification of Standards
52
06/26/1985 Slope should be measured from the five-foot level to grade.
53
10/02/1984
Interpretation of 1926.652, Table P-2
54
08/04/1980
Specific Trenching Requirements.
55
03/09/1977
Shoring sides of trenches in hard or compact soil.
56
09/14/1976
Specific trenching requirements as it pertains to shoring.
57
07/07/1976 Trenching Requirements related to banks.
58
11/18/1975
Clarification of excavations, trenching, and shoring standards.
