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Standard Number > 1926 > 1926.650
- 1926.650 - Clarification of Competent and Qualified Person, as it Relates to Subpart P. [02/21/1986]
- 1926.650 - Clarification of utility "owner" as used in the Safety and Health Standards for Excavations, Underground Installations. [09/21/2001]
- 1926.650 - Classification and subsequent designs may be used if they have been approved by a registered professional engineer. [10/01/1991]
- 1926.650 - Hazards associated with drilled foundation activities. [05/11/1992]
- 1926.650 - Manufacturer's Tabulated Data in the design and application of trench safety systems. [10/01/1991]
- 1926.650 - Permissibility of using average excavation depth to determine protective system requirements for the excavation. [09/30/2004]
- 1926.650 - Registered professional engineer approval requirements for manufactured trench protection systems deeper than 20 feet. [01/16/2003]
- 1926.650 - Stacking trench boxes in trenches. [10/29/1991]
- 1926.650 - Testing of type C soil is not necessary if employees are adequately protected. [06/05/1991]
- 1926.650 - Trench shield must extend 18" above excavation walls when below grade. [08/10/2000]
- 1926.650(b) - 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)?. [07/01/2010]
- 1926.650(b) - Registered professional engineer approval requirements for combination trench shield and sloping system trenches with a depth greater than 20 feet. [12/22/2003]