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Emnronmental ManagemeM I= <br /> Health&S defy Plan <br /> hole. All open boreholes and excavations will be covered, protected or adequately backfilled <br /> according to local or state regulations on completion of the project. <br /> G. Electrical Equipment Safety <br /> Almost everyone is aware that electricity can kill. Many people however, do not realize how <br /> little electricity it takes to rause death Electricity gives little warning of impending death or <br /> injury. Electricity lolls approximately 1000 people a year, with many fatalities resulting <br /> from contact with 120 volts AC., the voltage that operates a common hghtbulb <br /> There are many instances when field and lab personnel may be exposed to electrical currents. <br /> Improperly or un-grounded lab equipment, exposed wines, extension cords running through <br /> water, and many other conditions can increase the probability of an electrical shock. <br /> Factors such as perspiration or relative humidity will further reduce the resistance to, and <br /> raise the probability of sever damage to the body due to electrical, shock. The seventy of the <br /> shock can also depend on the amount of current flowing through the body, the path of the <br /> current through the body, and the time of exposure to an electrical current. <br /> The following are general guidelines, that of followed will reduce the chance of being injured <br /> by electrical shock. <br />. * Only Underwriters Laboratories (UL) listed electrical equipment shall be used, and <br /> this equipment must be free from all recognized hazards, such as exposed wiring or <br /> missing ground plugs. <br /> * Unless you have been trained and licensed, do not attempt to repair defective <br /> electrical equipment. <br /> * When working m wet environments, be sure that the outlet providing the power is <br /> protected by a ground fault circuit interrupter (MUST) OSHA regulations require <br /> ground fault circuit interrupters or an extension cord maintenance program on all <br /> construction projects. <br /> * When using extension cords, be sure that the cord is the proper wire gauge, all of the <br /> terminals are intact, and that the sockets are free from defects. <br /> * All power tools and other electrical equipment must be grounded or double insulate. <br /> Ensure that all power tools are grounded or double insulated before the job begins. <br /> Include pumps, vacuums, etc. when performing these checks. Grounding plugs <br /> should never be removed for any reason. <br /> 7.0 WORK ZONES <br />. K1164W2 HSP 17 <br />