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Suspended equipment Ventilate exhaust and conduct air monitoring,as appropriate,when drilling indoors.
<br /> Roadway hazards. • Never climb drill mast without appropriate fall protection.
<br /> I Use precautions for overhead and underground utilities
<br /> Geosyntec Procedure(s):HS-403-Drilling,HS-304-Overhead/Underground Utility Hazards,Others as applicable
<br /> ® MECHANICAL LIFTING,RIGGING N In addition to general drilling&direct push safety practices(above),as applicable:
<br /> Applies to lifting truck-mounted boom • Slings,chains,rope,wire rope,as well as sheaves,boom,and attachments used for lifting/hoisting shall be
<br /> rig(e.g.,drill rig),and all other drilling I maintained in good condition,inspected daily,and used/stored in a manner as to protect from damage.
<br /> related mechanical/electrical hoist • Do not exceed loading limits of lifting equipment;perform work in accordance with equipment load chart.
<br /> equipment. • Hooks will be equipped with safety latches.
<br /> Hazards: Ensure anchor points for winch or other lift device are engineered for intended use.
<br /> Mechanical hazards • Ensure personnel are not positioned beneath elevated loads.
<br /> Elevated loads Geosyntec Procedure(s):HS-506-Cranes
<br /> ® WARNING! Confirmed or possible N Follow safe work practices per D.11."Utility-Related Hazards."
<br /> close proximity to OVERHEAD or
<br /> UNDERGROUND UTILITIES. Geosyntec Procedure(s):HS-304-Overhead/Underground Utility Hazards
<br /> D.8. CONSTRUCTION, HEAVY EQUIPMENT, LIFT EQUIPMENT ❑Applicable ® Not Applicable, Not Anticipated
<br /> D.9. STORAGE/HANDLING OF BULK MATERIALS(for Chemical Storage,see D.14&15) ❑ Applicable N Not Applicable, Not Anticipated
<br /> D.10. ELECTRICAL WORK TASKS ® Applicable ❑ Not Applicable, Not Anticipated
<br /> Site-Specific Notes&Clarifications: PID
<br /> ® USE OF BATTERIES,BATTERY- ®Follow safe work practices to control hazards of voltage,shock,arcing,overheating,hazardous gases,irritant
<br /> POWERED EQUIPMENT<50 V,OR electrolytes,secondary hazards.
<br /> OTHER DC EQUIPMENT<50 V N Prevent short-circuiting of terminals when battery is in use(segregated from tools,metal objects)and during
<br /> Potential fire hazard(if terminals are transport(use battery transport container or install guard/cover on positive terminal).
<br /> shorted),eye/skin hazards(when ❑For batteries requiring replenishment of electrolyte,use PPE for eye and skin protection,and have eyewash
<br /> electrolyte is replenished),inhalation equipment at hand;see discussion of acids/caustics/corrosives in D.14."Commercial Chemical Products."
<br /> hazard in enclosed spaces. Geosyntec Procedure(s):HS-121-Electrical Safety
<br /> "NORMAL OPERATION"OF ❑Follow"normal operation"requirements:
<br /> ELECTRICAL EQUIPMENT CONNECTED • All electrical enclosures/guards/covers must be in place/closed/secured.
<br /> TO AC OR DC POWER SOURCE>50 V: • Electrical equipment maintained per codes/standards/manufacturer's recommendations.
<br /> Electrically powered tools,equipment, • Ensure no indication of damage or impending failure(heat,smoke,buzzing,odors,arcing,melting).
<br /> machinery,extension cords,portable • Operate equipment in accordance with manufacturer's standard operating procedures.
<br /> generators,working near electrical ❑Follow general electrical safety workpractices to minimize shock hazard and secondary hazards:
<br /> equipment. • Control water-related/wet-location hazards in a manner appropriate for the job tasks/equipment/tool.
<br /> • Never touch electrical equipment if you are wet or standing/kneeling in water or on wet surfaces.
<br /> Hazards: I • Use extension cords/power cords properly,rated for use conditions and current draw,prevent damage.
<br /> —Electrical shock Inspect tool/equipment/extension cords/power cords before each use;remove from use if damaged.
<br /> —Secondary hazards(falls,other I • Use GFCI-protected outlet or portable GFCI in wet/moist locations,outdoors,basements,concrete floors.
<br /> injuries). • Do not enter any space delineated by an electrical approach boundary.
<br /> Geosyntec Procedure(s):HS-121-Electrical Safety
<br /> HANDS-ON DIAGNOSTICS/REPAIR ON ❑Implement electrical safe work practices pertaining to:
<br /> CIRCUIT(S)CONNECTED TO POWER I • Workers trained appropriately for the task.
<br /> SOURCE<50 V: • Shock prevention measures.
<br /> ❑AC ❑DC I • Eye/skin protection for arcing hazards.
<br /> ❑Battery and/or solar power I • Protection from secondary hazards.
<br /> ❑Capacitor(s)
<br /> Geosyntec Procedure(s):HS-121-Electrical Safety
<br /> ❑Stray voltage from soil electrodes
<br /> WORK WITHIN'APPROACH ❑Prepare project-specific written"Electrical Safety Program"addressing(at a minimum):
<br /> BOUNDARY-OF EXPOSED, . Workers trained/designated as"Qualified Electrical Workers"per NFPA 70E(US)/CSA Z462(CAN)
<br /> ENERGIZED(OR POTENTIALLY • Assess risks of electrical shock(voltage levels and sources),arc flash hazard and secondary hazards.
<br /> ENERGIZED)CONDUCTORS AND/OR • Affix electrical hazard warning label to electrical enclosure(s)to be accessed.
<br /> CIRCUIT PARTS CONNECTED TO • Physically delineate arc flash-or limited approach boundary,whichever is farthest from hazard source.
<br /> POWER SOURCE 50-600 V*: • Only"qualified"workers allowed within approach boundaries;prevent entry by non-qualified personnel.
<br /> ❑AC ❑DC ❑3-phase Establish electrically safe working condition;work on live circuits prohibited(except for diagnostic testing).
<br /> El Battery and/or solar power I • Use PPE for shock/arc flash protection,as required.
<br /> ❑Capacitor(s) I Use other safe procedures/equipment required for the task,such as lockout/tagout.
<br /> ❑Induced voltage
<br /> ❑Stray voltage>50V from soil
<br /> electrodes
<br /> *Working on>600 V not permitted
<br /> Geosyntec Procedure(s):HS-121-Electrical Safety,HS-129-High Voltage Electricity Safety
<br /> for Geosyntec personnel
<br /> Project/Task Name:WR2501B; UST817B Investigation
<br /> Geosyntec THA Date:3/4/2022 Page 7
<br /> consultants
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