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Collapse/movement of stacked/stored ; N Ensure stored materials do not block aisles,passageways,electrical panels,emergency equipment,
<br /> bags,blocks,containers,pipe,boxes, emergency access/egress routes,vehicle routes.
<br /> equipment,and similar.
<br /> ❑Stack/pallet/rack/shelf
<br /> ❑CONEX-box storage,or similar
<br /> ® LIFTING/MANUAL MATERIAL N During manual handling of materials and equipment,use safe lifting practices and/or lift aids;do stretches
<br /> HANDLING HAZARDS and use safe postures to protect from acute strains/sprains,overexertion,and cumulative trauma injuries.
<br /> HSE Program Documents:HSE SOP-205a:Manual Materials Handling/Back Injury Prevention
<br /> D.10. ELECTRICAL WORK TASKS ❑ Applicable Not Applicable, Not Anticipated
<br /> Site-Specific Notes&Clarifications:
<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 ❑Prevent short-circuiting of terminals when battery is in use(segregated from tools,metal objects)and during
<br /> Potential fire hazard(if terminals are I 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.
<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 work practices 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: • 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 /> —Fire Hazard • Use GFCI-protected outlet or portable GFCI in wet/moist locations,outdoors,basements,concrete floors.
<br /> —Secondary hazards(falls,other • Do not enter any space delineated by an electrical approach boundary.
<br /> injuries).
<br /> HANDS-ON DIAGNOSTICS/REPAIR ON ❑Implement electrical safe work practices pertaining to:
<br /> CIRCUIT(S)CONNECTED TO POWER • Workers trained appropriately for the task.
<br /> SOURCE<50 V: • Shock prevention measures.
<br /> ❑AC ❑DC • Eye/skin protection for arcing hazards.
<br /> ❑Battery and/or solar power • Protection from secondary hazards.
<br /> ❑Capacitor(s)
<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 /> ❑Battery and/or solar power • Use PPE for shock/arc flash protection,as required.
<br /> ❑Capacitor(s) • 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 /> for Geosyntec personnel
<br /> LOCKOUT/TAGOUT(LO/TO)OF ❑Prepare site-specific written LO/TO program,and equipment-specific written LO/TO procedures(as
<br /> ELECTRICAL ENERGY To prevent applicable);implement control procedures for hazardous energy sources,provide locks/tags,train workers,
<br /> unplanned start-up or release of designate"authorized"personnel,notify"affected"personnel.
<br /> energy when equipment is under
<br /> maintenance/repair.
<br /> WARNING! Confirmed or possible 1 ❑Follow safe work practices per D.11."Utility-Related Hazards."
<br /> close proximity to OVERHEAD
<br /> ELECTRICAL UTILITY LINES.
<br /> HSE Program Documents:HSE SOP-434a:Overhead and Underground Utility Hazards(US-only).
<br /> HSE SOP-452a:Lock-out/Tag-out(North America-only) HSE SOP-454a:General Electrical Safety(US-only)
<br /> aGeosyntec° Project/Task Name: Well Maintenance THA ver.
<br /> consultants THA Date:4/17/25 Page 12
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