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3: Hazard Analysis Health and Safety Plan <br />Yellow — gas/oil/steam <br />Blue — water <br />Green — sanitary/storm drains/culverts <br />Orange — communications <br />White — proposed excavation or boring <br />Intrusive work should be limited to the area 3.3 feet (1 meter) on either side of the location marks. <br />In some special cases such as fiber optics and high-pressure pipelines this area should be expanded <br />to 16.5 feet (5 meters) on either side of the utility. <br />3.4.9 Overhead Utilities <br />If work is to be conducted in the vicinity of overhead electrical utilities, the owner of the overhead <br />line will be contacted to determine the maximum voltage. Any overhead utility will be considered to <br />be energized unless and until the person owning or operating such line verifies that the line is not <br />energized, and the line is visibly grounded at the work site. <br />Workers will not perform work in proximity to energized high-voltage lines (including scaffolding, <br />well drilling, pile driving, or hoisting equipment) until danger from accidental contact with high- <br />voltage lines has been effectively guarded against. <br />Equipment with articulated upright booms or masts are not permitted to operate within 15 feet of <br />an overhead utility line (less than 50kV) while the boom is in the upright position. For transmission <br />lines in excess of 50kV, an additional distance of 4 inches for each 10 kV over 50kV will be used. <br />3.4.10 Equipment Refueling <br />Care shall be exercised while refueling generators, pumps, vehicles, and other equipment to prevent <br />fire and spills. Personnel shall eliminate static electricity by grounding themselves (touching metal) <br />prior to using refueling hoses and or containers of petroleum liquids. Items being refueled shall be <br />grounded or be located on the ground and not on a trailer, work bench or inside a truck bed. <br />Equipment that is hot must be allowed to cool prior to refueling. Spill response materials shall be <br />available when conducting refueling operations. <br />3.4.11 Electrical Hazards <br />Electrical equipment to be used during field activities will be suitably grounded and insulated. <br />Ground-fault circuit interrupters (GFCI), or equivalent, will be used with electrical equipment to <br />reduce the potential for serious electrical shock. Electrical equipment including batteries, generators, <br />panels and extension cords shall be kept dry during use. Extension cords may not be used as a <br />permanent means of providing power and will be removed from service if they are worn, frayed, or <br />if the grounding prong is missing. <br />Extension cord precautions include the following. <br />Be aware of exposed or bare wires, especially on metal grating. Warning: Electrical contact with <br />metal can cause fatal electrocution. <br />BROWN mCALDWELI. <br />3-9