We're sorry, but OSHAcademy doesn't work properly without JavaScript enabled. Please turn on JavaScript or install a browser that supports Javascript.

503 EM 385-1-1 Sections 20-26
Skip to main content

503 EM 385-1-1 Sections 20-26

25.D Support Systems.

25.D.01 Support systems (including shield systems and other protective systems) must be in accordance with one of the following systems:

Figure 25-1 (Continued)
Image of Figure 25-1 Sloping and Benching (Continued)
Figure 25-1 (Continued)
Image of Figure 25-1 Sloping and Benching (Continued)
  1. Designs Using Manufacturers' Tabulated Data. Designs drawn from manufacturer's tabulated data must be in accordance with all specifications, limitations, and recommendations issued or made by the manufacturer.
  2. Deviation from the specifications, recommendations, and limitations are only allowed after the manufacturer issues specific written approval.
  3. A copy of the manufacturer's specifications, recommendations, and limitations (and the manufacturer's approval to deviate from these, if required) must be in written form and maintained at the job site during excavation.
  1. Designs using other tabulated data. Designs must be selected from and be in accordance with tabulated data (such as tables and charts). At least one copy of the tabulated data must be maintained at the job site during excavation. The tabulated data must include:
    • (1) Identification of the parameters that affect the selection of the protective system drawn from such data,
    • (2) Identification of the limits of use of the data, and
    • (3) Explanatory information as may be necessary to aid the user in correctly selecting a protective system from the data, and
    • (4) The identity of the RPE who approved the data, including name, address, telephone, fax and email address.
  2. Designed by a RPE. At least one copy of the design must be maintained at the job site during excavation. Designs must be in writing and include:
    • (1) A plan indicating the sizes, types, and configurations of the materials to be used in the protective system, and
    • (2) The identity of the RPE who approved the design, including name, address, telephone, fax and email address.

Knowledge Check Choose the best answer for the question.

25-7. When using the manufacturer's tabulated data, deviation from the specifications, recommendations, and limitations are only allowed after _____.

Previous Subsection
Next Subsection