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0 0 SAFE WORK PRACTICES FOR CONTRACTORS WORKING AT RETAIL PETROLEUM/CONVENIENCE FACILITIES 27 8.5.2 Guidelines for Use of Barricades Hazardous Condition Barricade General Construction Use barricades to completely isolate the work area. Pump Island Work When working on a dispenser or pump island,both sides of the island shall be barri- caded. Overhead Work Use barricades for areas where debris may fall or drop Excavations(e.g.trenches,open holes) Use barricades to prevent personnel or vehicles from falling or accidentally driving into excavations.For all excavations open for longer than a standard work day temporary fencing may be required. Temporary opening in site driveway Use barricades at temporary openings,like an uncovered sump pit,in a station driveway to prevent people or vehicles from falling into the opening. Tripping Hazards Use barricades to block-off potential trip hazards(e.g.conduit stubs,piping stubs,holes in floors,uneven surfaces,minor changes in elevation,etc.) Potentially Unsafe Conditions Use barricades when an unsafe condition exists,for example: • Incident investigation scene Spill • Structure is partially dismantled Ladders Use barricades around the base of ladders that are located where they can be displaced by workplace activities or traffic Energized lines or equipment Use non-conductive barricades around energized lines or equipment to prevent acciden- tal contact 8.6 PERSONNEL REQUIREMENTS All workers performing traffic control tasks shall have prior knowledge and understanding of applicable public safety require- ments. 8.7 PERSONAL PROTECTIVE EQUIPMENT No additional personal protective equipment(PPE)is required for barricading operations.Refer to Section 3,"Personal Protective Equipment'for basic PPE requirements. 9 Trenching and Excavation Minimum Required Knowledge 9.1 OVERHEAD OBSTRUCTIONS FOR EQUIPMENT AND HEAVY EQUIPMENT SAFETY 9.1.1 Overhead Obstructions Excavations are usually made with large pieces of heavy equipment(track hoe, backhoe,and cranes). Because these pieces of equipment have large metal booms, it is especially important that the project foreman and designated competent persons know where overhead electrical and utility lines are located.Specific precautions shall be taken to ensure that the excavating equipment does not come in contact with overhead electrical lines or any other overhead utilities.Workers moving or using heavy equipment shall also be aware of clearances between the equipment and pump canopy structures. It is important to be aware of all overhead obstructions and clearances when equipment is being moved onto the site. Refer to Section 10,Rigging,Hoisting and Lifting,and Section 12,Lockout/Tagout,for additional information regarding over- head utilities. 9.1.2 Equipment Fit-for-Purpose All heavy equipment used for excavation work shall be capable of reaching the distances required to safely remove soil from the excavation.Equipment may not be used to overreach its capacity or load limit.All equipment shall be in good working order and be frequently and periodically inspected as required by OSHA regulations. The contractor shall certify that operators of heavy equipment are qualified to safely operate the equipment.Workers who are not certified to operate heavy equipment may not do so. In addition,the contractor shall provide any spotters who are required to assure the safe operation of heavy equipment.