1. Contact the Production Safety Consultant prior to initiating any excavation activities.
2. In California, a permit must be issued by Cal/OSHA for any excavation of 5 feet in depth or more. Some sets may be exempt from this permit requirement.
3. Before excavating, the locations of underground utilities (water & gas lines, electrical conduits, etc.) must be determined by contacting Underground Service Alert or DigAlert by dialing 811 at least 2 days in advance of excavating. See http://call811.com/ for additional contact information for your specific area.
4. A Competent Person trained to identify hazardous conditions and who has the authority to take corrective action must be in charge of each excavation. The Competent Person must inspect the excavation on a daily basis, as conditions change throughout the day and after every rain.
5. Excavations of 5 feet or more must be protected from cave-ins by either an adequate shoring system or an adequate sloping / benching systems. In some instances, the Competent Person may determine that protective systems are not required for excavations less than 5 feet in depth.
6. Adjacent structures may need to be stabilized using shoring, bracing or underpinning techniques.
7. Additional shoring and bracing must be provided when excavations are located adjacent to previously backfilled excavations or where excavations are subject to vibrations from railroad or highway traffic, operation of machinery or other sources.
8. Excavation operations must be preplanned to identify safe work practices , hazard recognition procedures and soil determination / analysis tasks.
9. All employees who participate in excavation work activities should be informed and aware of the potential hazards. Employees should examine the excavation prior to entering.
10.Stairs or ladders must be provided when employees enter excavations over 4 feet deep. A means of exit should be provided every 25 feet and exit ladders should extend 3 feet above the excavation.
11. Excavated materials (i.e., spoil pile) and tools must be retained 2 feet or more from the edge of the excavation. Employees must be protected from loads or objects falling from lifting or excavating equipment.
12.Excavations should be tested for oxygen deficiency and / or the presence of other hazardous atmosphere prior to entry. Employees must not enter or work in excavations with a hazardous atmosphere.
13.Appropriate barricades, signs and other protective devices should be provided to protect employees and the public.
14.Employees should wear required personal protective equipment (PPE) as appropriate.
15.Ensure all equipment and materials are in good working condition.
16.Excavations should be open the minimum amount of time needed to complete the required work tasks.
17.Water accumulation should be prevented whenever possible and adequate precautions should be implemented to protect employees as applicable.