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TPC Safety Slides

This presentation provides an overview of the safety measures and protocols in place for the TPC project across multiple institutions, including hazard identification, mitigation strategies, and relevant examples.

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TPC Safety Slides

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  1. TPC Safety Slides Thomas K. Hemmick May 3, 2019 BNL

  2. ES&H Overview - I • The TPC project spans multiple institutions. • Uniformly throughout sPHENIX: • Work at BNL conforms to BNL Work Planning Program • Work at other institutions conforms to their own ESH programs, with assistance from BNL if needed • ESH requirements are flowed down to collaborators through Memorandum of Agreement, Statements of Work, and Contracts • Periodic ESH status provided from collaborators • All equipment conforms to safety standards ES&H policies at remote institutions: SBU: https://www.stonybrook.edu/campus-safety/#view-environmental-health VU: https://www.vumc.org/safety/index/ WIS: https://www.weizmann.ac.il/safety/ WSU: https://research.wayne.edu/oehs/ Yale: https://ehs.yale.edu/

  3. ES&H Overview - II • The TPC project spans multiple institutions. • Uniformly throughout sPHENIX: • Work at BNL conforms to BNL Work Planning Program • Work at other institutions conforms to their own ESH programs, with assistance from BNL if needed • ESH requirements are flowed down to collaborators through Memorandum of Agreement, Statements of Work, and Contracts • Periodic ESH status provided from collaborators • All equipment conforms to safety standards • TPC Central Membrane High Voltage Cable: • Flame tested by BNL (Levesque) • Analyzed by BNL (Cubillo) • Approval imminent.

  4. Hazards & Mitigation All work performed in accordance with BNL Integrated Safety Management Planhttps://www.bnl.gov/nsls2/project/reviews/180426_HEX_PDR/files/SafetyDocs/IntegratedSafetyManagementSystem.pdf Hazards to be identified and documented via “Hazard Analysis Report” Completed and approved before any work commences. Our Relevant Categories: Mechanical, Electrical, Chemical, Gas. (No magnetic fields or radiological sources) Hazards are mitigated by: Elimination – Change your plans Substitution – Find a replacement Engineering Controls (isolate people from hazards) Administrative Controls – Time limits, procedures, training Personal Protective Equipment – safety glasses, safety shoes, respirators

  5. Example: ES&H @ GEM Factories • All staff are responsible for • becoming knowledgeable of and maintaining awareness of the hazards associated with their work, • contributing to the formulation and improvement of hazard controls, • conducting their work safely in accordance with all project and institutional controls, • exercising stop-work authority in cases of imminent danger to health and safety of workers or the public, or in case of a threat to the environment or property. • Specifically: • All workers wear appropriate personal protective equipment (gloves, glasses, steel-toed shoes) • Proper disposal of chemicals (isopropyl for cleaning, glue, etc), gluing tips, etc. • Gases used are not flammable: N2 and CDA @ ~1 L/min during testing. • Gas bottles secured in racks. Good practices employed for tubing. • Special local requirements on gas venting at VU addressed. System now in operation. • Cabling and grounding appropriate for use of HV (~1 kV max) and LV supplies. No exposed voltage. • Proper cable and tubing routing to eliminate trip hazards. • Clear hazard labels on entryways and on all equipment. Site-specific procedures clearly documented. • Fire extinguishers, fire suppression systems inside clean rooms • Visual examples of good safety and health practices in use at the TPC GEM institutions on next slide...

  6. ES&H Hazards & Examples: Trip Hazards Site-specific Awareness Personal Protective Equipment Compressed Gas Safety Similar examples from other institutes…

  7. ESR (Exp’t Safety Review) -- SBU • Principal Investigator (PI-Hemmick) defines task • Hook up Roughing & Stokes Pump to 3-phase 208VAC. • PI and ESH (Lefferts) Identify/Analyze Hazards • Electrical hazards > 50V • PI and ESH Develop and Implement Controls • Dual Contactor box designed by qualified personnel. • All parts NRTL • Inspected & energized by qualified personnel • Students are trained in electrical safety commensurate with task

  8. Module Safety Steps Familiar

  9. Summary • We benefit from “lessons learned” from the ALICE Barrel Tracker Upgrade. • We have modeled our protocols after them and therefore inherited very similar safety considerations. • Safety considerations are intrinsic to our “SOP” Standard Operating Procedure documents that are archived. • Hazards accurately identified via past experience. • Mitigation strategies largely already in place or well known. sPHENIX Director's Review

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