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  • Acetic anhydride + acetaldehyde condensation reactions can be violent – explosive

Sophomore safety review 8 4-11 Sophomore safety review 8 4-11 Presentation Transcript

  • General Safety Review Sophomore Class School of Engineering Jenny Andary School of Engineering University of Dayton
  • Welcome Back !!!!! We hope you had a great summer. This year, as sophomores, you will have a General Safety Review. The Review is to refresh your memories and bring you up-to-date on any changes since your Freshman training.
    • On October 27, 2010 Declan Sullivan ( l ) died filming football practice at Notre Dame. High wind Warnings had been issued, but he was instructed to work outside on a scissor lift. Safety factors: unsafe working conditions, improper response to a weather warning.
    Safety Fatalities Since Your Last Training Unfortunately, since last fall, there have been two university student fatalities April 12, 2011 Michele Dufault, a Yale senior, was asphyxiated sometime after midnight when her hair became caught in a lathe. Safety factors: working alone, working after hours, improper safety precautions for a power tool.
  • Definition Review: Safety Is About Hazards A Hazard is anything that can hurt : You , others , or the environment Now , or In the future Your constant task is to recognize hazards, reduce the risk , and respond appropriately
  • Recognize Hazards: Use the Lab Door Sign
    • Extra hazards not pictured
    • explosive gasses …
    What‘s in the room
  • Hazard Definitions by Category
    • Biological:
    • Human and animal blood, fluids, tissue, and wastes
    • Soil and farm water runoff
    • Used needles (sharps)
    • Chemical:
    • Solid, liquid or gas
    • Must have label and a MSDS
    • Remember the Fire Diamond
    • Note:
    Flammable material: can quickly ignite if it comes in contact with sparks or fire. Never use in a welding area.
  • Hazard Definitions by Category
    • Mechanical:
    • Power hand and bench tools
    • Testing equipment
    • Robotics, including the Flight Simulator
    • Energy:
    • High: voltage ( 110 V), pressure (incl. compressed air)
    • High temperature: soldering, ovens
    • Lasers:
    Never enter a room if a laser sign/red bulb is lit. Severe eye/skin damage can result.
  • We have talked about recognizing hazards, now let’s talk about how we are going to reduce the risks they present. One way is through training. You will be trained on each activity that uses hazardous material, machinery, or methods. Sample Training Record Reducing the Risk Through Training
  • Students May Not Work Alone if Hazards are Present - UD Policy Give yourself a chance: when accidents happen, the key to survival with minimum injury is to have someone else present. Remember: Few who got hurt thought they were doing anything dangerous!
  • Reduce Risks By Following the Door Sign
    • What you must wear
    • safety glasses, gloves, aprons, hearing protection …
    • What you can’t wear
    • shorts, hoodies, or loose clothing, jewelry or hair (longer hair must be put up)
    • open toe/back, flip flop, minimalist or Croc shoes…
    • What you can’t bring in
    • food and drinks
    Be prepared to go home and change if you are not properly attired. Don’t bring food and drinks to lab, they will have to stay outside.
  • Things to Remember
    • Any splashing liquid including water
      • If one needs, all need
      • Not for lasers; special goggles needed
    Safety Glasses Goggles and Face Shields
      • Chemicals and biohazards incl. soil
      • Do not take from lab
    Gloves, Lab Coats, Aprons
  • Things to Remember: Preventing Ingestion
    • No “human consumption” food allowed
    • Once a lab frig, always a lab frig
      • No hand lotions, lip products, cosmetics
      • Food items used in labs must be labeled “not for human consumption”
    No Eating or Drinking in Labs Lab Refrigerators
  • Things to Remember: Good Housekeeping
    • 18” min. clearance to ceiling
    • Fire code: aids sprinklers, slows fire spread
      • Don’t make cords into trip hazard
      • Don’t use extension cords
      • Use a single power strip
      • A messy work area increases falls and spills
      • Clean up spills immediately!
    Spills Space to Ceiling Cords
    • Clean Up After Yourself!
    • Return things !
    From Kindergarten:
  • Things to Remember: Chemical Storage
    • Dedicated space/not on floor
    • Not in fume hoods
      • Individually secured
      • Capped or regulated
      • Acetylene 15 psig max
      • Do not store in ABC order
      • Do not store by type: ex. acids
      • Do store by compatibility: flammables
    Segregate Proper Areas Compressed Gas Cylinders
  • Reducing Risk to the Environment
    • Batteries
    • Flammables (flash point <140F)
    • pH <6.0 or >12.0
    • Water reactive
    • Toxic or having malodorous odors
    • Oils, fats, grease >100 mg/L
    • Radioactives
    • Biohazards
    • Polychlorinated biphenyls
    • Heavy metal solutions
    • Poisons
    • Organic solvents
    • Paints and paint thinners
    In addition to personal risk, we must also remember that our actions impact the environment. Not Permitted in Drains, Trash:
  • Reducing Risks When Using Hand Tools
    • Big enough for work
    • Clean
    • Eye/hand protection available
      • Have kits available
      • Wash cuts immediately!
      • Seek Medical: cut is red, swollen, warm, oozing
      • Seek Medical: puncture wounds
      • Handles not loose or cracked: no duct tape!
      • Blades sharp, not broken
      • Scissor/wrench jaws secure
      • Hammer heads undamaged
    Good Repair? Work Space First Aid
  • Responding When Something Happens Things happen … The manner in which you respond to emergencies may determine the extent of the damage. Emergency Contacts are Located on All Lab Door Signs
  • Keep Emergency Equipment/Exits Clear
      • An area of 3’ square must be kept clear
      • Keep-clear floor space is marked
    One of the most important parts of safety is quick access to safety equipment and exits. Boards, mops and pails, and trash cans have all been found blocking access to:
      • Do not block any door
      • Do not prop open
      • Fire Extinguishers
      • Safety Showers and Eye Wash Stations
    Safety Equipment Access Panels Doorways
  • Responding to Mercury Spills
    • Vapors are highly toxic:
    • mercury fractures into very small beads, each emitting vapor
    • Accidental Release:
      • Leave immediate area
      • Call EHS or Public Safety
      • Do not attempt to clean up
      • If contact:
        • Remove articles and place in plastic bag
        • Wash skin with warm water and mild detergent
  • Responding to Fire
    • Exit immediately, closing the door
    • Do not use elevators!
    • Pull alarm at stairs or call 229-2121 or 911
    • Go to a Designated Meeting Site
      • Located at door
      • Anyone can use if fire blocks exit
      • P-A-S-S
      • Alert others!
      • Rescue only if it does not put you in danger
      • Use extinguisher only if trained/fire is small
    Alarm Sounds To Exit Fire Extinguisher Every floor has 2 “sweepers” who are responsible for ensuring that everyone is out
  • Parking Lot C Designated Meeting Sites Avoid walking over Annex Rear Meeting Site: Grassy area near parking lot C Electrical Parking Lot C Avoid walking over Annex Front Meeting Site: Humanities Plaza near Alumni Hall at least 50 ft. from KL KL Designated Meeting Sites Alumni Hall Parking Lot C Humanities Bldg.: Alt Site
  • Responding to KL Environmental Alarms
    • Safety showers/eye wash stations
    • Alert a faculty or staff member
      • Evacuate if fire alarm sounds
      • If situation is critical and no one has responded, pull fire alarm and call 229-2121
      • Never enter a room if an alarm is sounding
    Blue Lights Action
      • KL253A (halon): Public Safety and fire alarm
      • KL331 (HF): Public Safety
      • KL571 (future N2): Public Safety
      • KL591A (refrigerant): Public Safety
    Audible Alarms
  • Responding to Tornado/High Winds
    • Basement
    • Center hall first floor
    • Imminent danger: inside hall or room
      • Do not use elevators!
      • Stay until the all clear is given
      • Warning : 1. a tornado/high wind has been noted
      • 2. conditions are right for their sudden development
      • Cell phone
      • Email
    No Audible Alarms Action Go To: Caution
  • Responding to a Safety Threat on Campus
    • Run away, do not confront
    • If away from threat: close room door and don’t reopen, doors may auto lock
    • Move away from door
      • Stay until the all clear is given
      • Cell phone
      • Email
      • Turn cell phones to vibrate
    No Audible Alarms Action Caution
  • Responding: Who to Call Emergency Contacts are Located on All Lab Door Signs Your phone must have: Public Safety 229-2121 as a Contact Be Registered with UD Emergency Notification (see next slide)
  • To add a number to Emergency Notification University of Dayton 1. 2. 3. 4. address.udayton.edu Your Cell Phone Cell Phone Number: Ex: (xxx) xxx-xxxx Cell Phone Provider:
  • Assessment
    • You will now take an assessment on Isidore. You have 25 min. to complete it. You have 2 opportunities to score 20/20. Please contact:
    • Jenny Andary
    • [email_address]
    • Or 229-5033
    • With any questions.
    • Thanks so much!
    • Link to Assessment:
    • https://isidore.udayton.edu/samigo/servlet/Login?id=d0601863-ffae-4907-868c-c2f2321fa9731312288849490