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D.11. UTILITY-RELATED HAZARDS L,_ Applicable ❑ Not Applicable, Not Anticipated
<br /> Site-Specific Notes&Clarifications: A private utility locator and/or 811 will be utilized to identify utilities at the proposed maintenance location.
<br /> OVERHEAD,ABOVE-GROUND i ❑Do not cross approach boundaries with personnel or equipment;employ other appropriate precautions for
<br /> UTILITIES the conditions(specify above).
<br /> ❑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 E M 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 /> M 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 /> Site-Specific Notes&Clarifications:
<br /> Type of CONFINED/ENCLOSED/ REQUIREMENTS:
<br /> HAZARDOUS INDOOR Workspace: 1. Contact Corp.HSE Department will determine applicability of confined space entry regulations,and to
<br /> ❑Indoors(occupied) determine safe work practices for entry into any confined,enclosed or hazardous indoor spaces.
<br /> ❑Indoors(abandoned,vacant)
<br /> ❑Basement,crawl space,attic Z. Classify the work task by checking one of the following:
<br /> ❑Tunnel,shaft,inspection gallery
<br /> ❑Storage bin,locker ElCONFINED SPACE classified by regulatory authority as a"Permit-Required Confined Space"or otherwise
<br /> ❑Culvert,catch basin,sewer specifically-regulated as a confined space in the worksite's geographic jurisdiction.
<br /> ❑Well vault,utility vault,manhole ❑CONFINED/ENCLOSED/INDOOR space NOT specifically regulated as a Confined Space;develop site-
<br /> ; ❑Tank,vessel,silo,vat,hopper specific entry procedure per applicable regulatory and Geosyntec safety requirements.
<br /> ❑Trench,excavation
<br /> ❑Machine/equipment pit
<br /> El Transportation container,railcar ` 3. Delineate tasks,hazards and controls associated with the work in Section C.1."Summary of Tasks,Hazards
<br /> and Controls,"and in applicable sections in Parts C,D and E of this THA;incorporate or attach applicable
<br /> ❑Other—describe above safety provisions such as,but not limited to,the following:
<br /> • Risk assessment;entry plan,entry permit system/safety checklist.
<br /> Confirmed or potential hazards: . Air monitoring for atmospheric hazards.
<br /> ❑Flammable/explosive • Entry roles(supervisor,entrant,attendant),buddy system,regulatory training requirement.
<br /> ❑Oxygen deficiency • Protect non-entry personnel from unauthorized entry(labels,signage,barriers)
<br /> ❑Hydrogen sulfide • Ingress/egress(stairway,ramp,ladder,tripod/winch,harness/lifeline,etc.).
<br /> ❑VOCs • Communication/alerting/rescue/emergency plan.
<br /> ❑Carbon monoxide • Entry hazard controls:
<br /> ❑Combustible dust - Isolate,clean,purge,inert,lockout/tagout,fire prevention.
<br /> ❑Combustion/exhaust emissions - Dilution ventilation to introduce fresh air
<br /> ❑Welding/cutting fumes - Exhaust ventilation to control point source of emissions.
<br /> ❑Electrical - Use duct/stack to direct hazardous emissions away from work area.
<br /> ❑Mechanical equipment - Respiratory protection.
<br /> ❑Entrap,engulf,drowning - Use PPE and safety gear to protect from chemical/physical/biological hazards.
<br /> ❑Building-related hazards - Fall protection.
<br /> ❑Other—describe above - Traffic control.
<br /> HSE Program Documents: HSE STD-125:Personal Protective Equipment Program,HSE STD-130:Respiratory Protection Program,
<br /> HSE SOP-412a:Confined Space Entry Operations(US-only),HSE SOP-460:Field Site Exposure Monitoring
<br /> D.13. INFECTIOUS/PATHOGENIC BIOHAZARDS Applicable ❑ Not Applicable, Not Anticipated
<br /> Site-Specific Notes&Clarifications: Poisonous Plants,bat guano
<br /> ® HAZARD TYPE: M Follow internal guidance for mitigating airborne respiratory illness transmission(as applicable).
<br /> M Contagious respiratory illness M Implement vector-protective measures(see also Section D.1.b.,"Biological Hazards")
<br /> ®Vector-borne infectious risk M Use"Standard/Universal Precautions"as applicable to mitigate exposures to infectious/pathogenic hazards.
<br /> ❑Wastewater,sewer,landfill M Low hazard—use basic hygiene:onsite hand washing(soap&water preferred)and protective apparel/PPE.
<br /> ®Animal/human waste ElMed/high hazard—added PPE(gloves/barriers/respirator/dust mask),decon,remediation,as appropriate.
<br /> ❑Wildlife contact,infectious risk ElFor bloodborne human pathogens follow Bloodborne Pathogen Program and Standard/Universal Precautions.
<br /> ❑Contact HR Dept.for project-specific immunization(e.g.tetanus/diphtheria/pertussis[Tdap],hepatitis A/B).
<br /> ❑Mold,fungi,valley fever ❑Implement remedial actions to mitigate infectious hazard source(remove syringes,clean up unsanitary
<br /> ❑Bloodborne pathogens waste/debris,decon/disinfect surfaces,etc.)as appropriate for the scope/scale of work.
<br /> ❑Discarded syringes
<br /> ❑Medical waste HSE Program Documents:HSE SOP-240:Mitigating Respiratory Illness Transmission in the Workplace,
<br /> ®Other(describe above) HSE SOP-408:Bitinal5tinging Arthropods and Poisonous Plants, HSE SOP-612a:Bloodborne Pathogens NS-only)
<br /> aGeosyntec° Project/Task Name: Well Maintenance THA ver.
<br /> consultants THA Date:4/17/25 Page 13
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