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• A hazard assessment shall be performed and documented on the Safe Work Permit (CMS-710-02- FM-01701) (Appendix A) prior to entry. The supervisor in charge of the work shall schedule this action. • Ensure employees are trained in the hazards of confined spaces. • Post Confined Space Entry Permits at the entrance to the space. • Have a copy of the confined space entry procedure available. • Establish a rescue plan. Evaluate to ensure rescuers are qualified. • Ensure an entry supervisor is present at each permit-required entry. • Ensure the required extraction/fall protection devices are being used properly. 5.1.18 Electric Shock Observe CB&I Procedure CMS-710-02-PR-01400 and CMS-710-02-PR-01500. In addition, observe the following procedures and practices to prevent electric shock: • Maintain appropriate distance from overhead utilities: - Maintain at least 10 feet from overhead power lines,up to 50 kV. - For voltages over 50 kV, add 0.4 inches per kV to obtain the safe distance between equipment and power lines(follow CMS-710-02-PR-06600). - If voltage is unknown,remain at least 20 feet from overhead power lines. • Use ground-fault circuit interrupters as required. • Perform lockout/tagout LO/TO procedures in accordance with CB&I Procedure • Use three-pronged plugs and extension cords. • Contact your local underground utility-locating service. • Follow code requirements for electrical installations in hazardous locations. Always use qualified electricians to install electrical equipment and when con-ducting troubleshooting activities within 10 feet of exposed live wires. 5.1.19 Hand and Power Tools Observe CB&I Procedure CMS-710-02-PR-01100, CMS-710-02-PR-01200, and CMS-710-02-PR- 01300. Observe the following procedures and practices when working with hand and power tools: • Fixed Blade Box Cutters are prohibited on CB&I sites • Pocket knives are prohibited on CB&I sites • Keep hand tools sharp,clean, oiled, dressed, and not abused. • Worn tools are dangerous: e.g., the "teeth" in a pipe wrench can slip if worn smooth; an adjustable wrench will slip if the jaws-are sprung;hammerheads can fly off loose handles. • Tools subject to impact (chisels, star drills, and caulking irons) tend to "mush-room." Keep them dressed to avoid flying spalls. Use tool holders. • Don't force tools beyond their capacity. No"homemade" handles or extensions (cheaters) are permitted! Don't use tools for pry bars. • Flying objects can result from operating almost any power tool, so always warn people in the vicinity and use proper eye protection.