[in Your State]
State:
Type
Category
Topic
Trenching (Construction) Reference Materials
 
TypeTitleDateState
Interpretations01/10/1994 - 1926 Subpart P - Soil classification.01/10/1994National
Interpretations01/10/2006 - 29 CFR 1926.651(i)(1); excavation operations. [1926.651(i)(1)]01/10/2006National
Interpretations01/16/03--Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet.10/30/2003National
Interpretations02/13/1992 - 1926 - Timber shoring for trenches02/13/1992National
Interpretations02/19/1993 - 1926.652 - Plywood as a substitute for meeting the standard.02/19/1993National
Directives02/20/1990 - CPL 2.87 - Inspection Procedures for Enforcing the Excavation Standard, 29 CFR l926, Subpart P07/22/2003National
Interpretations02/23/1994 - 1926.21(b)(2) - Safety procedures associated with the use of wheel or track propelled excavators.02/23/1994National
Interpretations03/10/1992 - 1926.652(b)(1)(i) - Classification of soils for providing protective systems in excavations.03/10/1992National
Interpretations03/23/1992 - 1926.651(h) - Construction standards addressing excavations.03/23/1992National
Interpretations03/28/1994 - 1926.652 - Safety Procedures During Gunite and Shotcrete Pool Construction.03/28/1994National
Interpretations04/01/1994 - Washington Inspection Procedures for Enforcing Excavation Standards.04/01/1994National
Interpretations04/05/1995 - 1926.652 - Whether or not organic rock, such as Miami oolite rock should be considered by OSHA as stable rock.04/05/1995National
Interpretations04/15/1992 - 1926.652 - Use of plywood for shoring and support systems in trenches and excavations.04/15/1992National
Interpretations04/18/1995 - Safety Procedures for Work Performed in House Foundation Excavations.04/18/1995National
Interpretations05/05/1992 - 1926.652 - Excavation standards relating to aluminum rail.05/05/1992National
Interpretations05/09/2006 - Whether the operator's cab of excavators must be equipped with seatbelts; §1926.602(a) and §1926.602(b). [1926.602; 1926.602(a); 1926.602(b)]05/09/2006National
Interpretations05/10/1995 - 1926.602 - OSHA standards addressing reverse signal alarms on excavators.05/10/1995National
Interpretations05/11/2004- Evaluation of the use of aluminum forms as an exit route from trench excavations.[1926.651; 1926.651(c)(2)]05/11/2004National
Interpretations05/21/1992 - 1926.652 - Design of protective systems for employees working in trenches.05/21/1992National
Interpretations05/21/1992 - 1926.652 - Design of Protective Systems in Trenches.05/21/1992National
Interpretations06/30/1995 - 1926.652 - Suspension of 29 CFR 1926.652 to House Foundation/Basement Excavations.06/30/1995National
Interpretations07/07/03--Acceptable methods to locate underground utility installations; evaluation of hydro-vacuum excavation.[1926.651; 1926.651(b)(2); 1926.651(b)(3)]10/30/2003National
Interpretations07/11/1995 - OSHA regulations for excavation safety - Goodlatte constituents.07/11/1995National
Interpretations07/11/1995 - OSHA regulations for excavation safety - Warner constituents.07/11/1995National
Interpretations07/16/1993 - 1926.652(a) - Minimum length that an excavation must be before a protective system is required.07/16/1993National
Interpretations08/05/1992 - 1926.651(k)(1) - Competent person responsibilities at excavations.08/05/1992National
Interpretations08/10/2000 - Trench shield must extend 18" above excavation walls when below grade.[1926.652(b); 1926.650; 1926.651(j)(2)]08/10/2000National
Interpretations09/07/1995 - 1926.652 - Concerns with the OSHA June 30 memorandum concerning the application of 29 CFR 1926.652 to house foundation/basement excavations.09/07/1995National
Directives09/19/1985 - CPL 2.69 - Special Emphasis: Trenching and Excavation07/18/2003National
Interpretations09/21/2001 - Clarification of utility "owner" as used in the Safety and Health Standards for Excavations, Underground Installations.[1926.651(b)(2); 1926.651(b); 1926.650; 1926.651; 1926.652]09/21/2001National
Interpretations10/17/2000 - Requirements to prevent trench collapse during sheet-pile operations.[1926.603(c)(3); 1916.652(b); 1926.651(j)]10/17/2000National
Interpretations10/23/2003 - Use of hydro-vacuum excavation equipment and other acceptable means to locate underground utility installions. [1926.651; 1926.651(b)(2); 1926.651(b)(3)] 10/23/2003National
Interpretations10/27/1992 - 1926 Subpart P - Requirements for MTD to identify registered professional engineers.10/27/1992National
Interpretations10/28/1993 - 1926 - The soil classification system.10/28/1993National
Interpretations11/14/2003 - Permissibility of installing a trench shield so that the top is flush with the surface.[1926.652; 1926.652(g)(1)(ii)] 11/14/2003National
Interpretations12/09/1993 - 1910.7(a) - Tunnel boring machine equipment.12/09/1993National
Interpretations12/19/2007 - Whether it is permissible for an employee to remain in a trench box when materials are being lowered into it by a backhoe. 12/19/2007National
Interpretations12/22/2003 - Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet.[1926.650(b); 1926.652; 1926.652(a); 1926.652(b); 1926.652(b)(3); 1926.652(b)(4)]12/22/2003National
Interpretations7/29/2005 - Adjusting work practices to comply with cave-in protection requirements in §1926.652, Requirements for protective systems in excavations.[1926.652(g)(2)]07/29/2005National
Guidance DocumentsExcavations  National