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Site Health and Safety Plan <br />19133 East Liberty Road, Clements, California <br />August 16, 2022 <br />Page 14 <br /> <br />Sharp Environmental Technologies, Inc. <br />In addition, nonessential personnel will be kept out of any work area in which heavy equipment is <br />operating. <br />5.5.3 Electrical Hazards <br />Electrocution may result from contact with overhead power lines, downed electrical wires, buried <br />cables, lightning, use of electrical equipment in wet areas, and/or failure of electrical equipment. <br />Location of all overhead and underground utility lines will be determined and mapped before <br />commencing work. In case of a breach of a utility line, electricity supply to the site will be shut off. If <br />adverse weather conditions develop, accompanied by lightning, work will stop promptly. Electrical <br />repair/maintenance work must be done only by qualified personnel. <br />Electrical equipment to be used during field activities will be suitably grounded and insulated. Ground <br />fault circuit interrupters, or equivalent, will be used with electrical equipment to reduce the potential <br />for electrical shock. <br />Lockout/tag out procedures will be conducted in accordance with 8 CCR 3314 before activities begin <br />on or near energized or mechanical equipment that may pose a hazard to site personnel. Workers <br />conducting the operation will positively isolate the piece of equipment, lock/tag the energy source, and <br />verify effectiveness of the isolation. Only employees who perform the lockout/tag out procedure may <br />remove their own tags/locks. Workers will be thoroughly trained prior to initiating this procedure. <br />5.5.4 Explosion and Fire <br />The presence of flammable gases or vapors may cause a fire or explosion. Potential causes of explosion <br />and fire include: <br />• Chemical reactions; <br />• Ignition of explosive or flammable chemicals; and, <br />• Sudden release of materials under pressure. <br />Any site activities that may involve the presence of flammable gases or vapors will require continuous <br />air monitoring using a four-gas direct reading instrument. All potential ignition sources will be kept <br />away from an explosive or flammable environment, and only non-sparking, explosion proof equipment <br />will be used. In addition, safe practices will be followed when performing any task that might result in <br />the agitation or release of chemicals. Open flame or tobacco smoking will be strictly prohibited at the <br />sites. All flammable liquids will be stored in approved containers and the quantities will be limited to <br />one-day use. <br /> If the four-gas instrument exceeds 10% of the LEL, all site activities will cease, equipment will be shut <br />down and site personnel will be evacuated. In the event of a fire, work will cease, the area will be <br />evacuated, and the local fire response team immediately will be notified. Only trained, experienced fire <br />fighters will be allowed to extinguish substantial fires at the sites. Site personnel will not attempt to <br />fight fires, unless properly trained and equipped to do so. At least one fully charged ABC dry chemical <br />fire extinguisher will be readily available for use during all scheduled activities at the sites.