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® DRILLING&DIRECT PUSH
<br /> Includes hazards posed by drilling rig N Follow safe work practices,as applicable:
<br /> and associated equipment,heavy • Non-drilling personnel shall stay clear of drilling work zone when drill rig in operation.
<br /> support vehicles,trailer/towing Equipment shall be maintained in good repair,inspected daily upon mobilization;backup alarms and
<br /> hazards,and similar mobile emergency stop operational,machine guards in place,whip checks on high pressure lines.
<br /> equipment. • Leaks or defective safety equipment will be repaired before use.
<br /> • Establish eye contact with operator and use hand signals prior to approaching the rig.
<br /> Hazards: • Use PPE near operating rig(eye/head/hearing/hand/foot protection,high visibility vests or equivalent).
<br /> Struck-by equipment • Arrange personal/support vehicles to protect drill team and not obstruct travel lanes or other operations.
<br /> Run over,roll-over • Operators/helpers must maintain safe distance from moving parts;secure loose hair/clothing,equipment.
<br /> Caught between(pinch points) • Drill rigs will only be moved with masts lowered.
<br /> Manual lifting,musculoskeletal • Maximum safe slope for rig will be followed,drill rig leveled,appropriate blocking/cribbing as needed.
<br /> Fuel/fluid leaks,fuel hazards • Use safe practices for fuel handling/storage/transport;spill equipment available for fuel/fluid leaks.
<br /> 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 /> • Use precautions for overhead and underground utilities
<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-
<br /> 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
<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.
<br /> HSE Program Documents:HSE SOP-430:Drilling Activities,SOP-434a:Overhead and Underground Utility Hazards(US-only),
<br /> HSE SOP-644:Working Around Heavy Equipment,
<br /> CONSTRUCTION, HEAVY EQUIPMENT, LIFT EQUIPMENT Applicable Not Applicable, Not Anticipated
<br /> .9. STORAGE/HANDLING OF BULK MATERIALS(for Chemical storage,see D.14&15) Applicable ❑ Not Applicable, Not Anticipated
<br /> Site-Specific Notes&Clarifications:The drilling subcontractor will containerize IDW.
<br /> ® BULK STORAGE HAZARDS: N Store materials in stable manner(stacked,racked,blocked,interlocked,tied,wrapped,or otherwise
<br /> Collapse/movement of stacked/stored secured)to prevent tipping,sliding,rolling,falling or collapse.
<br /> bags,blocks,containers,pipe,boxes, N Do not exceed load limits and ensure storage structure is stable,robust,secure for intended load.
<br /> equipment,and similar. N Ensure stored materials do not block aisles,passageways,electrical panels,emergency equipment,
<br /> ❑Stack/pallet/rack/shelf emergency access/egress routes,vehicle routes.
<br /> ❑CON EX-box storage,or similar
<br /> LIFTING/MANUAL MATERIAL ❑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 /> D.11. UTILITY-RELATED HAZARDS ® Applicable ❑ Not Applicable, Not Anticipated
<br /> Site-Specific Notes&Clarifications:Both Geosyntec and the drilling subcontractor will submit an 811 ticket for the job.
<br /> ® : OVERHEAD,ABOVE-GROUND N Do not cross approach boundaries with personnel or equipment;employ other appropriate precautions for
<br /> UTILITIES the conditions(specify above).
<br /> N Use additional controls,as applicable:shielding,flagging,observer/monitor,or,
<br /> ❑Arrange for power company/utility owner to de-energize power line.
<br /> ® UNDERGROUND UTILITIES N Confirm appropriate underground utility clearance procedures have been completed prior to ground
<br /> penetrations,and employ other utility clearance/locator practices,as appropriate for conditions.
<br /> ❑Hand digging/augering or vacuum post-holing within 3'of utility locations or other high-risk condition.
<br /> HSE Program Documents:HSE SOP-434a:Overhead and Underground Utility Hazards(US-only)
<br /> D.12. CONFINED/ENCLOSED SPACES(Including Hazardous Indoor Spaces) ❑ Applicable ® Not Applicable, Not Anticipated
<br /> D.13. INFECTIOUS/PATHOGENIC BIOHAZARDS ® Applicable ❑ Not Applicable, Not Anticipated
<br /> Site-S ecific Notes&Clarifications:Biting/stinging insects
<br /> Project/Task Name:Well Decommissioning/Former Olin Chlor Alkali Site,Tracy
<br /> Geosyntec° THA Date:04/28/2025 Page 8
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