Updated November 16, 2023 | 2:15 p.m.
What You Need to Know
- The trench must be inspected by the competent person daily before any my enter.
- Never enter a trench filled with water or if open utilities are showing.
- Competent person requirements: contact the FM Safety Coordinator 949-824-5066 or EHS 949-824-6200.
- Training requirements:
- Awareness level – offered online or in-person class
- Competent Person – contact EHS for assistance
- Dig Alert - (811)
Important: These forms are under construction, please contact Jennie Wung at 949-880-4270 or email@example.com if you need any information about the UCI Trenching and Shoring Program. The procedure will be updated shortly.
- Initial Job Hazard Assessment and Trench Entry and Authorization form for regularly scheduled and emergency trenching activities
- Daily/As Required Trench Inspection for regularly scheduled and emergency trenching and shoring activities
- The requirements will vary according to each confined space so please contact EHS for clarification but the basic PPE needs will consist of the following: hard hat, protective boots/shoes, googles/safety glasses, protective clothing, and protective gloves. Additional PPE requirements (entry specific): harness, tripod, respirator.
- Hazardous atmosphere equipment: 4-gas meter, air blower/ventilation.
*Always consult with EHS and/or the competent person for trench-specific PPE requirements*
- 4-gas meters are only to be used by trained personnel. Otherwise a representative from EHS must be present to verify gas readings. Meters must be calibrated before use and in current annual calibration requirements.
- All equipment shall be inspected before use to verify it is in good condition.
- Never enter a trench unless cleared by the competent person.
- Traffic control shall be used in area where there is traffic.
- Trench will be benched or shored as required by soil type and depth. (Competent person will make that decision).
- Utilities shall be checked and marked ahead of project by checking with Dig Alert.
- If you have questions on trench shoring or other equipment, please check with EHS prior to purchase by contacting us at 949-824-6200.
Frequently Asked Questions
- A narrow excavation that is deeper than it is wide (at least 4 feet deep).
- No more than 15 feet wide at the bottom.
- Soil Strength.
- Soil Type.
- There are 3 type of Soil: Class A, Class B, Class C.
- UCI is considered Class C, unless classified if differently by a competent person. No soil at UCI will be classified as Type A.
- Initial classification of soil and trench.
- Ability to test for hazards.
- Daily inspection of trench.
- Inspects trench as required or after any condition changes.
- Has authority of stop work.
- A ladder/ramp/stair may be used.
- An egress must be provided ever 25 ft. off lateral travel.