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SENT BY:9163622318-Sacra. , CA ; 8-I6-98 ; 3:43PM ;RADIAN INTERNATIONAL 5 • MC-Sharpe GMS Boundary CondAerification Work Plait properly. When working around the CPT (Radian International, 1997).Electric shock can machinery,employees must make their presence occur where there is direct contact with live known to the equipment operators. wires or electrical equipment and instruments that are wet or have faulty wiring.Any extension A.3.3.6 Noise.CPT work or vehicle traffic can cords used with the equipment should be result in excessive noise.Ear plugs will provide checked prior to use for cuts or loose adequate protection from this type of noise. connections in the coating protecting the wires. Field work is not expected to produce noise levels in excess of the OSHA permissible A.3.3.10 Heat Stress.Working in elevated exposure limit of 90 dBA or the action limit of temperatures while wearing PPE may lead to 85 dBA.It is not anticipated that hearing heat stress in the form of heat exhaustion and/or protection will be needed;however,car plugs heat stroke. Symptoms of heat exhaustion will be available to employees As a rule of include dizziness,light-headedness,nausea, thumb,if staff cannot communicate easily within slurred speech,fatigue,copious perspiration, 3 feet of each other,hearing protection should be cool clammy skin,and an increased resting heart used. rate(110 beats/minute).Symptoms of heat stroke include delirium,fainting,and hot,dry, A.3.3.7 Underground Utilities.Test locations flushed skin.Heat stroke is a life-threatening will be surveyed and cleared for underground condition,and immediate medical attention is utilities,pipes,etc-,by Underground Service required if any symptoms of heat stroke are Alert(USA). CPT probes will be driven only at observed. cleared locations. Cleared locations will be clearly marked.If evidence of utilities is A.3.3.11 Heat stress monitoring and prevention encountered during CPT installation,work will procedures will be initiated when ambient stop immediately until the nature of the utility or temperatures exceed 90°F.Heat stress reduction pipe can be verified. All contacts(regarding the procedures shall consist of the following- location of buried lines)with utility company personnel shall be documented. As required by • Potable water and/or GatoradeT will be the City of Lathrop and San Joaquin County, made available to the field team throughout encroachment permits are to be secured before the work day.Field personnel will be conducting any CPT field work. The encouraged to drink fluids frequently.Field encroachment permits shall be sighed by an teams continuously working outdoors should authorized DDJC representative and approved break for water at least every hour. by the issuing agency. • When temperatures exceed 90°F,all field A.3.3.8 Mechanical Hazards.Hazards while personnel working outdoors will measure working with mechanical equipment can include their heart rate at least hourly.If the heart cuts,contusions,being struck by or striking rate exceeds 110 beats/minute,the objects,being caught between objects,becoming individual will rest for 10 minutes and drink entwined in rotating tools,and falling objects, fluids throughout the rest period.The heart Care should be taken to eliminate these potential rate should again be measured at the end of hazards by ensuring that mechanical safeguards the rest period. If the heart rate has dropped are in place,that safe distances between below 110 beaWminute,the individual may personnel and moving parts are maintained,and return to work. if the heart rate exceeds that personnel avoid areas where vehicles and 110 beats/minute,contact the on-site equipment are being moved or positioned. engineer responsible for health and safety. A.3.3.9 Electrical Hazards.Proper lock- Any personnel displaying signs or out/tag-out procedures shall be used whenever symptoms of heat stress will stop work and work is performed on the test systems per rest for at least 15 minutes.If symptoms Radian's Hazardous Energy Control Program persist beyond this rest period,the on-site MP-A.dm 4 13 August 1998