Audit

ENCUMBRANCES

Have all utilities been located prior to beginning trenching operations?

STOP. Do not proceed under Miss Utility has located all utilities. Contact Miss Utility by calling 811.

Are adjacent structures stabilized to prevent collapse?

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STOP trenching operation immediately. Inform foreman and Division Safety Manager.

Are other surface encumbrance stabilized and identified?

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STOP trenching operation immediately. Inform foreman and Division Safety Manager.

SOIL TESTING

Has a VISUAL test been performed or will test be performed to classify the soil type?

What type(s) of test?

STOP. At least one visual and one manual test is required to be documented.

Has a MANUAL test been performed or will test be performed to classify the soil type?

What type(s) of test?

STOP. At least one visual and one manual test is required to be documented.

What is the soil classification?

EMPLOYEE PROTECTION

Are all spoils and equipment kept at least 2' from the edge of the trench?

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STOP trenching operation and inform foreman. Do not continue until materials or equipment are moved back.

Is the trench more than 4' deep?

A means of egress must be provided a maximum of one every 25'. What type(s) of egress are available?

Is the trench 5' deep or more but less than 20' deep? NOTE: For trenches deeper than 20', protective systems must be designed by a registered professional engineer.

What type of protective system is being used? NOTE: iIf no protective system is being used, STOP operation immediately, inform foreman and Division Safety Manager.

Are employees protected from cave-in hazards when entering or exiting the trench box

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STOP trenching operation. Inform foreman and establish proper means of egress from trench box.

Is the distance between the bottom of the trench box and the bottom of the trench no more than 18"?

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STOP trenching operation. Inform foreman and make necessary adjustments prior to continuing work.

Timber or Aluminum Hydraulic Shoring?

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Ensure installation is compliant with 29 CFR 1926.650 Appendix C.

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Ensure installation is compliant with 29 CFR 1926.650 Appendix D.

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Ensure sloping angles are consistent with 29 CFR 1926.650 Appendix B.
Type A: .75:1 (53 degrees)
Type B: 1:1 (45 degrees)
Type C: 1.5:1 (34 degrees)

Is the trench exposed to vehicular traffic or mobile equipment?

IF the operator does not have a clear and direct view of the edge, is a warning system in place?

Is the trench free of operations which would make it a permit required confined space such as hazardous equipment, toxic chemicals in the work processes, exposure to nearby roads?

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STOP trenching operation. Inform foreman and Division Safety Manager.

GENERAL

Is there a competent person present to oversee trenching operations?

Name of competent person?

STOP. Work is not allowed without a competent person present.

Are trench inspections documented?

Provide excavation checklist to foreman.

How many times per day?

Please note that this checklist is a hypothetical example and provides basic information only. It is not intended to take the place of, among other things, workplace, health and safety advice; medical advice, diagnosis, or treatment; or other applicable laws. You should also seek your own professional advice to determine if the use of such checklist is permissible in your workplace or jurisdiction.