Contents

• Contents
• List of Figures
• List of Tables
• Procedures for Experiments
  • Safety Responsibilities of Experimenters
    • Obtaining Required Safety Training
    • The Personnel Safety System
      • 4.1.2.2  Restricted Access
      • 4.1.2.4  Sweep
      • 4.1.2.6  Controlled Access
      • 4.1.2.8  RF Power Permit
      • 4.1.2.10  Beam Permit
    • Hall A Access
      • 4.1.3.2  Controlled Access Procedure
      • 4.1.3.4  Restricted Access Procedure
    • Attire
    • Hall A Specific Hazards
    • Alarms
      • 4.1.6.2  Radiation Alarms
      • 4.1.6.4  ODH Alarms
      • 4.1.6.6  Fire Alarms
    • General Issues
      • 4.1.7.2  Knowing and following safety rules
      • 4.1.7.4  Reporting unsafe working conditions
      • 4.1.7.6  Reporting of incidents.
      • 4.1.7.8  Following tour requirements
  • Physics Division in the Life of an Experiment
    • Proposal
    • Experiment Approval
    • Experiment Scheduling
    • Commissioning
    • Operation
    • Complete/Inactive
    • Decommission
  • EH&S Review Process
  • Experiment Hazard Communications
  • Operational Safety Procedures (OSP)
  • Shift Routines and Operating Practices
  • Control of Equipment and System Status
    • Monitoring and Emergency Shutdown of Hall A Systems
    • Independent Verification - Hall A Checklists
      • 4.7.2.2  Check List - Prior to Hall A Production Running
      • 4.7.2.4  Check List - When Hall A is in a Stand by Mode
      • 4.7.2.6  Check List - When Hall A is Used as Accelerator Beam Dump
• Experimental Equipment Operation
  • General Issues
    • Oxygen Deficiency Hazard
    • Radiation Safety and the Personnel Safety System
      • 5.1.2.2  Radiation Gates
      • 5.1.2.4  Induced Activity
      • 5.1.2.6  Radiation Control Personnel
    • Electrical Safety
      • 5.1.3.2  AC Power
      • 5.1.3.4  Grounding and Shielding
      • 5.1.3.6  DC Power
      • 5.1.3.8  Low Conductivity Water (LCW) Operations
      • 5.1.3.10  Loss of site LCW
      • 5.1.3.12  Maintenance
    • Fire Safety
  • Beamline
    • Beam Transport
      • 5.2.1.2   Overview
      • 5.2.1.4   Authorized Personnel
      • 5.2.1.6   Safety procedures
      • 5.2.1.8   Machine/Beamline protection system
      • 5.2.1.10   Personnel Safety System
    • Charge Monitors
      • 5.2.2.2  Cavities current monitors system
      • 5.2.2.4  Parametric Current Transformer - Unser
      • 5.2.2.6   Authorized Personnel
      • 5.2.2.8  Standard Procedure
      • 5.2.2.10   Extended procedure
  • Targets
    • Scattering Chamber
      • 5.3.1.2  Overview
      • 5.3.1.4  Target Chamber
      • 5.3.1.6  Target Chamber - Spectrometer Coupling
      • 5.3.1.8  Stress Analysis of the Middle Ring
      • 5.3.1.10  Vacuum Pumping System
    • Solid Targets
      • 5.3.2.2  Solid Target Ladder
      • 5.3.2.4  Moving Mechanism
      • 5.3.2.6  Safety Features
      • 5.3.2.8  Cooling
      • 5.3.2.10   Operating the Hall A Target Ladder
    • Waterfall Target
      • 5.3.3.2  The waterfall target
      • 5.3.3.4  The hydraulic system
      • 5.3.3.6  The gas system
      • 5.3.3.8  The movement system
      • 5.3.3.10  The slow-control system
      • 5.3.3.12  Authorized Personnel
      • 5.3.3.14  Safety Assessments
      • 5.3.3.16  Operating procedure
      • 5.3.3.18  Troubleshooting
  • Spectrometers
    • Safety with Regards to the Spectrometer
    • Hall A Vacuum System
      • 5.4.2.2  Spectrometer Vacuum System
      • 5.4.2.4  Target Vacuum System
      • 5.4.2.6  Magnet Vacuum System
      • 5.4.2.8  Beam Line Vacuum System
      • 5.4.2.10  Beam Exit Vacuum System
      • 5.4.2.12  Hazards of Vacuum Systems
    • The High Resolution Spectrometer (HRS)
      • 5.4.3.2  Magnets and Power Supplies
      • 5.4.3.4  Personnel
      • 5.4.3.6  Quadrupole Magnets
      • 5.4.3.8  Cryogenic Procedures
      • 5.4.3.10  First Time Startup Check List.
      • 5.4.3.12  Dipole Magnet
    • Operation of the HRS Magnets
    • Field Monitoring
      • 5.4.5.2   Dipole Field Monitoring Electron Arm
      • 5.4.5.4  Authorized Personnel
      • 5.4.5.6  Safety Assesment
      • 5.4.5.8  NMR Operationg Procedure:
        • Hadron Dipole Field Setting Instructions:
    • Positioning and Alignment
      • 5.4.6.2  Overview
      • 5.4.6.4  Responsible Personnel
      • 5.4.6.6  Safety Assessment
      • 5.4.6.8  Operating Procedure
        • Spectrometer Rotation Procedure Overview
        • Horizontal Spectrometer Pointing Procedure
    • Calibration Slit and Collimator System
      • 5.4.7.2  Overview
      • 5.4.7.4  Authorized Personnel
      • 5.4.7.6  Safety Assessment
      • 5.4.7.8  Operating Procedure
  • Detectors
    • Vertical Drift Wire Chambers
      • 5.5.1.2  Overview
      • 5.5.1.4  Operating Procedure
        • Gas Flow Operating Procedures
        • Power Supplies and Electronics Procedures
        • Power-up Procedure
      • 5.5.1.6  Handling Considerations
      • 5.5.1.8  Safety Assessment
      • 5.5.1.10  Responsible Personnel
    • Trigger Scintillators
      • 5.5.2.2  Overview
      • 5.5.2.4  Handling Considerations
        • Assembly Instructions
        • The Electronic Amplification Chain
      • 5.5.2.6   5" PMT Bases for S3 Counters
        • Assembly Instructions
        • The Electronic Amplification Chain
      • 5.5.2.8  Safety Assessment
      • 5.5.2.10  Responsible Personnel
    • Gas Cherenkov Counters
      • 5.5.3.2  Overview
      • 5.5.3.4  Gas system
      • 5.5.3.6  Construction
      • 5.5.3.8  Photomultipliers
      • 5.5.3.10  Authorized Personnel
    • Aerogel Detector
      • 5.5.4.2  Overview
      • 5.5.4.4  Responsible Personnel
      • 5.5.4.6  Safety Assessment
      • 5.5.4.8  Operating Procedure
        • Operating Voltage
      • 5.5.4.10  Handling Considerations
        • Installation and Removal of PMTs
        • Installation and Removal of the SiO₂ Tray
    • Shower Calorimeter
      • 5.5.5.2  Overview
      • 5.5.5.4  Operating Procedure
        • Power Supplies and Electronics Procedures
        • Signal Summing, Amplification and the Multiplexer
      • 5.5.5.6  Handling Considerations
      • 5.5.5.8  Safety Assessment
      • 5.5.5.10  Responsible Personnel
    • Focal Plane Polarimeter
      • 5.5.6.2  Overview
      • 5.5.6.4  Operating Procedure
        • Gas Flow Operating Procedures
        • Power Supplies and Electronics Procedures
      • 5.5.6.6  Handling Considerations
      • 5.5.6.8  Safety Assessment
      • 5.5.6.10  Responsible Personnel
    • Gas Distribution System
      • 5.5.7.2  Overview
      • 5.5.7.4  Gas Mixing Station
      • 5.5.7.6  Gas Delivery into Hall A
      • 5.5.7.8  Autherized Personnel
      • 5.5.7.10  Safety and Device Protection
      • 5.5.7.12  System Operation
      • 5.5.7.14  Troubleshooting : Things to Check
      • 5.5.7.16  Maintenance
        • Flowmeter Calibration
    • High Voltage System
      • 5.5.8.2  Safety Assesment
      • 5.5.8.4  Authorized Personnel
    • Trigger Electronics
      • 5.5.9.2  Overview
      • 5.5.9.4  Authorized Personnel - Support Personnel
      • 5.5.9.6  Safety Assessment
      • 5.5.9.8  Operating Procedure
        • Modifying the settings and single module control
        • General Information
        • Trouble Shooting
  • Counting House
    • Safety issues in the Counting House
      • Electrical Hazards
      • Other Hazards
    • Authorized Personnel
    • Overview of Data Acquisition
    • Beginning of Run Checkout
    • Run Control
      • Some Frequently Asked Questions
      • Things That Can Go Wrong
    • Online Analysis, Data Checks
      • 5.6.6.2   Dataspy and Dhist
      • 5.6.6.4  Scaler Display
      • 5.6.6.6   Analysis using ESPACE
    • Terminal Servers
      • Accessing Terminal Servers with X-Terminals
• Safety Assesment Document for Hall A Equipment
  • Introduction and Scope
  • General Hazards
    • Electrical
    • Magnetic
    • LCW
    • Fire
    • Cryogenic
    • High Voltage
  • Hazard Mitigation
    • Electrical
    • Magnetic
    • LCW
    • Fire
    • Cryogenic
    • High Voltage
  • Subsystem Safety
• Pearls of Wisdom
• Personnel Allowed to Operate Hall A Equipment
  • General Issues
    • Oxygen Deficiency Hazard
    • Radiation Safety and the Personnel Safety System
    • Electrical Operations
    • Mechanical Operations
    • Electronics
  • Specific Subsystems
• Hazard Assessment Criteria
  • Mechanical Hazards:
  • Flammable Gas Systems:
  • Electrical Hazards:
  • Fire Hazards:
  • Oxygen Deficiency Hazards:
  • Cryogenic Hazards:
  • Laser Hazards:
  • Radiation Hazards:
  • Toxic Materials:
• Sample EH&S Review Committee Charge
• Questions to be Addressed by a Conduct of Operations (COO) for a Hall A Experiment
  • General
  • Shift Routines and Operating Practices
  • Control Room Activities
  • Communications
  • Control of On-Shift Training
  • Investigation of Abnormal Events
  • Notifications
  • Control of Equipment and System Status
  • Lockouts and Tagouts
  • Independent Verification
  • Logkeeping
  • Operations Turnover
  • Interactions with Support Personnel
  • Required Reading
  • Operating Procedures
  • Equipment Labeling
• Conduct of Operations for CEBAF Hall A Experiment 89-033
• Glossary of Terms
• References