SAIL - Safety Documentation Portal

SWP-A28-SAIL-general-lab-safety
General Optical and Laser Laboratory Safety - All SAIL Lab Areas
📄 Download PDF 📝 Download Word
SAFE WORK PROCEDURE

Use this form to document Safe Work Procedures for hazardous activities and processes. The information in your Safe Work Procedure (SWP) should be supported by a risk assessment.

List the Hazards and Risk Controls as per Risk Assessment

Associated risk assessment reference Hazards Risk controls
RA-A28-SAIL-general-lab-safety Unauthorised access, inadequate training or supervision (including undergraduate students) - MANDATORY: SAIL Lab General Local Induction before swipe card access granted
- Swipe card access control system; supervisor approval and authorised users list
- MANDATORY: Undergraduates must be supervised at all times (supervisor physically present)
- Authorised entry signage on laboratory doors (hazards and required PPE listed)
- Visitors signed in and supervised at all times
- Incident reporting via RiskWare system
RA-A28-SAIL-general-lab-safety Optical radiation from bright light sources (alignment lasers, LEDs, lamps, broadband sources) - Never look directly into any beam or bright light source
- Use beam blocks and shutters when not actively aligning
- Use viewing cards or cameras for beam visualisation
- Appropriate safety glasses/goggles as indicated by door signage
- Work at lowest intensity possible; turn off sources when not in use
RA-A28-SAIL-general-lab-safety Laser radiation (Class 1, 2, 3R, 3B, 4 - equipment-specific RAs apply) - MANDATORY: Laser Operator Certificate required for all work with or near lasers (uploaded to Faculty “My Inductions Dashboard”)
- Equipment-specific laser Risk Assessments and Safe Work Procedures must be followed
- Laser interlock systems on applicable laboratory doors - NEVER bypass or defeat
- Laser safety eyewear appropriate for wavelength and class (Class 3B/4 operation)
- Beam paths at or below sitting height where possible; block beams when not aligning
RA-A28-SAIL-general-lab-safety Specular reflections from optical surfaces (mirrors, lenses, beam splitters) - Remove reflective items (watches, jewellery, lanyards) before optical work
- Use anodised or black optical mounts to minimise stray reflections
- Use beam dumps for unwanted beams
- Position to avoid reflected beam paths; keep beams below eye level
RA-A28-SAIL-general-lab-safety Elevated carbon dioxide levels in Room 116B (temperature-controlled room) - NEVER work in Room 116B with door closed (CO2 asphyxiation risk)
- CO2 sensor and alarm system with automatic fresh air introduction
- Evacuate immediately if CO2 alarm sounds
- Warning signage on door regarding CO2 risk and door policy
RA-A28-SAIL-general-lab-safety Sharps hazards from cleaved fibre optic ends (Rooms 121D, 218G) - Follow Fibre Optics Handling RA/SWP (specialist document)
- Dispose of cleaved fibre offcuts immediately in sharps containers
- Safety glasses worn during fibre cleaving
- Portable eyewash stations in fibre fabrication labs (121D, 218G)
RA-A28-SAIL-general-lab-safety Electrical hazards (240V mains, high voltage equipment) - Visual inspection of equipment, cords and plugs before use
- Equipment test and tag current
- Never use electrical equipment in wet conditions
- Follow Electrical Safety RA/SWP; qualified electrician for all repairs
RA-A28-SAIL-general-lab-safety Chemical hazards (solvents, adhesives, cleaning agents) - Follow Chemical Handling RA/SWP; consult SDS before use
- Appropriate PPE (chemical-resistant gloves, safety glasses, lab coat)
- Use fume cupboard or well-ventilated areas; no naked flames near flammable solvents
- Spill kits available; flammables stored in flammables cabinet
RA-A28-SAIL-general-lab-safety Mechanical hazards (heavy optics, moving stages, sharp edges) - Keep hands clear of moving parts; emergency stops on motorised equipment
- Remove loose clothing, jewellery and lanyards near moving parts; tie back long hair
- Handle sharp-edged mounts and metal components carefully
RA-A28-SAIL-general-lab-safety Slips, trips, and falls (cables, equipment, spills) - Cable management (along walls, overhead, or cable protectors across walkways)
- Keep walkways and exits clear; store equipment on benches, not on floor
- Clean up spills immediately; good housekeeping practices
RA-A28-SAIL-general-lab-safety Manual handling of heavy equipment and optics - Use mechanical aids (trolleys, hoists) for items over 15 kg or awkward loads
- Two-person lift for heavy or awkward items; proper lifting technique
- Closed-toe shoes mandatory; steel-toe boots recommended for heavy equipment moves
RA-A28-SAIL-general-lab-safety Fire hazards (electrical faults, flammable chemicals, laser ignition) - Fire extinguishers in laboratory areas (know nearest location and type)
- Emergency exits marked; do not block exits or extinguishers
- Flammable chemicals stored correctly; building evacuation procedures
- If fire: evacuate, activate alarm, call 000
RA-A28-SAIL-general-lab-safety Working alone or in isolation - Buddy system encouraged, especially for after-hours or higher-risk work
- Inform supervisor or colleague when working alone; mobile phone accessible
- Never conduct high-risk activities alone (e.g., Class 4 lasers, working at height)
RA-A28-SAIL-general-lab-safety Inadequate lighting or environmental conditions - Maintain adequate lighting for safe movement; task lighting for detailed work
- Red lighting for dark-adapted work; never work alone in darkened laboratories
- Take regular breaks; adjust chair and bench height for comfort

List Resources Required

Including personal protective clothing, chemicals and equipment needed.

Step by Step Instructions for Undertaking the Task

  1. BEFORE STARTING - CRITICAL ACCESS REQUIREMENTS (you MUST meet these requirements before accessing SAIL laboratories):
  2. Complete SAIL Lab General Local Induction:
    - Delivered by authorised assessor (see Staff Approved to Assess Competence)
    - Covers all hazards and controls in this SWP
    - Includes emergency procedures and location familiarisation
    - Sign-off required on competency sheet
  3. Swipe card access granted ONLY after:
    - Induction completed and signed off
    - Supervisor approval obtained
    - Access added to authorised users list
    - Your name appears on door signage (if applicable)
  4. Additional requirements for laser work:
    - Laser Operator Certificate completed
    - Certificate uploaded to Faculty “My Inductions Dashboard”
    - Equipment-specific laser RA/SWP reviewed and signed off
  5. Undergraduate students MUST:
    - Complete all above requirements PLUS
    - Have designated supervisor assigned
    - Never work unsupervised - supervisor must be physically present in laboratory
    - Sign in/out with supervisor for each session
  6. Equipment-specific requirements:
    - Read and understand equipment-specific RA/SWP before use
    - Complete equipment-specific training and competency assessment
    - Be listed on authorised users list for that equipment
  7. PRE-ACCESS CHECKS (EVERY TIME YOU ENTER A LABORATORY):
  8. Check door signage before entering:
    - Read hazards listed on authorised entry sign
    - Note required PPE for the laboratory area
    - Check for laser warning signs or active laser indicators
    - If laser interlock system present, check status before opening door
  9. If laser interlock is active (laser in use inside):
    - Do NOT open door without permission from person operating laser
    - Knock or call to alert people inside
    - Wait for laser to be shut down or made safe before entering
    - Never bypass or defeat interlocks
  10. Don appropriate PPE before entering:
    - Safety glasses (as required by door signage)
    - Closed-toe shoes (verify before entering)
    - Laboratory coat if required
    - Any additional PPE indicated on door signage
  11. Enter laboratory and perform visual sweep:
    - Look for any obvious hazards (spills, damaged equipment, trip hazards)
    - Check for unusual smells (chemical leaks, burning, smoke)
    - Listen for unusual sounds (alarms, equipment malfunctions)
    - If anything unusual: report to supervisor before proceeding
  12. Room 116B specific checks (CRITICAL):
    - Check CO2 alarm is functional (green status light)
    - NEVER close door if you are working in the room
    - If door must be closed for temperature control: evacuate room
    - Only access briefly to check equipment if door closed
    - If alarm sounds: evacuate immediately
  13. For undergraduate students:
    - Locate your supervisor and sign in for the session
    - Supervisor must acknowledge your presence
    - Supervisor must remain in laboratory throughout your session
    - Never commence work until supervisor present
  14. SETTING UP YOUR WORKSPACE:
  15. Select appropriate work area:
    - Choose optical bench or workspace suitable for your task
    - Ensure adequate space for equipment and safe working
    - Check area is clean and clear of obstructions
    - Verify adequate lighting for your task
  16. Inspect work area:
    - Check optical bench surface is clean and undamaged
    - Verify mounting holes and slots are not blocked
    - Check for any existing equipment or experiments
    - If area occupied: coordinate with other users or select different area
  17. Gather required equipment and materials:
    - Collect only what you need for current task
    - Check equipment condition before use
    - Report any damaged equipment immediately
    - Keep work area organised and uncluttered
  18. Set up power and utilities:
    - Visually inspect power cords and plugs before connecting
    - Check for damage, exposed wires, or loose connections
    - If damaged: DO NOT USE - tag as defective and report
    - Do not overload power points
    - Use power strips/boards with overload protection
    - Route cables to avoid trip hazards (along walls, under benches, or use cable protectors)
  19. Prepare for optical/laser work:
    - Remove reflective items (watches, jewellery, lanyards, ID badges)
    - Ensure hair is tied back if working near moving equipment
    - Remove or secure loose clothing
    - Position yourself comfortably (adjust chair height, bench access)
  20. Chemical handling preparation (if applicable):
    - Consult Chemical Handling RA/SWP
    - Review Safety Data Sheets (SDS) for chemicals in use
    - Verify adequate ventilation or access to fume cupboard
    - Gather appropriate PPE (chemical-resistant gloves, face shield if needed)
    - Prepare spill kit location (know where it is)
  21. SAFE WORKING PRACTICES - GENERAL CONDUCT:
  22. Maintain awareness:
    - Be conscious of others working nearby
    - Alert others before activating equipment that may affect them (bright lights, movement)
    - Respect active experiments and equipment in use
    - Ask before touching or adjusting others’ equipment
  23. Housekeeping throughout work:
    - Keep work area tidy and organised
    - Return tools and equipment to storage when finished
    - Clean up spills immediately
    - Dispose of waste properly (see Clean Up section)
    - Do not block walkways, exits, or emergency equipment
  24. Food and drink prohibition:
    - No food or drink in any laboratory area
    - No storage of food in laboratory refrigerators
    - Use designated eating areas (e.g., Room 121A breakout room)
    - Wash hands before eating after laboratory work
  25. Mobile phone and electronic device use:
    - Keep phone on silent or vibrate to avoid disturbing others
    - Minimise phone use during laboratory work (stay focused)
    - No photography of others without permission
    - Some areas may prohibit phones near sensitive equipment
  26. SAFE WORKING PRACTICES - OPTICAL WORK SAFETY:
  27. Before activating any light source or laser:
    - Ensure area is clear of unnecessary personnel
    - Check beam path will not expose others
    - Alert others in area that you are activating a light source
    - Use lowest intensity possible for alignment
    - Have beam blocks or shutters ready
  28. During optical alignment:
    - Never look directly into any beam or bright source
    - Use beam viewing cards, cameras, or power meters to visualise beams
    - Position work at or below sitting height where possible
    - Be aware of all potential specular reflection surfaces
    - Use beam dumps for unwanted beams
    - Work systematically to track all beam paths
  29. Laser-specific safety (in addition to equipment-specific RA/SWP):
    - Verify laser safety eyewear is appropriate for wavelength and class
    - Wear laser safety eyewear as specified by equipment RA/SWP
    - Never bypass laser interlocks
    - Never point laser at persons or reflective surfaces
    - Use lowest power setting possible for alignment
    - Block beam when not actively aligning
    - Respect laser warning signs and restricted areas
    - If laser interlock trips: investigate cause before resetting
  30. Managing specular reflections:
    - Remove watches, jewellery, and reflective accessories before optical work
    - Position mirrors and optical components carefully
    - Use anodised or black optical mounts to minimise stray reflections
    - Cover or remove unnecessary reflective surfaces from work area
    - Be conscious of beam path at eye level
    - Use protective barriers or curtains if reflections unavoidable
  31. Working in low-light conditions:
    - Maintain adequate lighting for safe movement
    - Use red lighting for dark-adapted work (less disruptive to night vision)
    - Use torch or headlamp to navigate if needed
    - Allow time for eyes to adjust when entering/leaving dark areas
    - Never work alone in darkened laboratories
    - Ensure emergency exits remain visible
  32. SAFE WORKING PRACTICES - ELECTRICAL SAFETY:
  33. Before using electrical equipment:
    - Visual inspection of equipment, cords, and plugs
    - Check for damage, fraying, exposed wires
    - Verify equipment is test and tagged (current date sticker)
    - If damaged or out of test date: DO NOT USE - tag as defective
  34. During electrical work:
    - Follow Electrical Safety RA/SWP for specific procedures
    - Never work on live circuits unless qualified and authorised
    - Turn off and unplug equipment before opening enclosures
    - Never use electrical equipment in wet conditions
    - Do not defeat interlocks or safety switches
    - Use RCD-protected circuits for high-risk equipment
    - Know location of emergency power shut-off
  35. High voltage equipment (if applicable):
    - Additional training and authorisation required
    - Follow equipment-specific RA/SWP
    - Warning signs must be displayed
    - Restricted access to qualified personnel only
  36. SAFE WORKING PRACTICES - CHEMICAL SAFETY:
  37. Before using chemicals:
    - Follow Chemical Handling RA/SWP
    - Review Safety Data Sheets (SDS)
    - Verify adequate ventilation
    - Gather appropriate PPE
  38. During chemical work:
    - Use minimum quantities necessary
    - Label all containers clearly (contents, date, name)
    - Never store in unmarked containers
    - Use fume cupboard for volatile or hazardous chemicals
    - Wear chemical-resistant gloves and safety glasses
    - Avoid skin contact - wash hands after handling
    - No naked flames near flammable solvents
    - Clean up spills immediately
  39. Chemical storage:
    - Return chemicals to designated storage areas
    - Segregate incompatible chemicals
    - Store flammables in flammables cabinet
    - Keep containers closed when not in use
    - No storage on floor or blocking exits
  40. SAFE WORKING PRACTICES - FIBRE OPTICS WORK (ROOMS 121D, 218G):
  41. Sharps hazard from cleaved fibres:
    - Follow Fibre Optics Handling RA/SWP
    - Wear safety glasses during cleaving
    - Dispose of fibre offcuts immediately in sharps container
    - Never leave cleaved fibres on bench
    - Inspect hands and work area for fibre fragments
    - Portable eyewash readily accessible
  42. SAFE WORKING PRACTICES - MANUAL HANDLING:
  43. Before lifting or moving heavy items:
    - Assess load (weight, size, balance, grip points)
    - If over 15 kg or awkward: use mechanical aid (trolley, hoist) or get assistance
    - Plan route before lifting
    - Clear pathway of obstacles
  44. Proper lifting technique:
    - Stand close to load
    - Bend knees, keep back straight
    - Grip firmly with whole hand
    - Lift smoothly using legs, not back
    - Keep load close to body
    - Do not twist - move feet to turn
    - Lower load carefully using same technique
  45. Two-person lifts:
    - Communicate clearly (“ready, lift on three…”)
    - One person coordinates
    - Lift and move in unison
    - Both persons must be comfortable with the lift
  46. Moving heavy optical tables or large equipment:
    - Steel-toe boots recommended
    - Minimum two persons
    - Use lifting equipment (jacks, trolleys)
    - Secure load before moving
    - Clear pathway completely
    - Move slowly and carefully
    - Watch for pinch points
  47. SAFE WORKING PRACTICES - WORKING ALONE:
  48. If you must work alone (avoid for high-risk tasks):
    - Inform supervisor or colleague of your plans
    - Provide expected duration and location
    - Keep mobile phone accessible
    - Check in periodically (text/call when leaving)
    - Do NOT conduct high-risk activities alone: Class 4 laser operation; working at height; handling large quantities of hazardous chemicals; entering confined spaces; any work with significant injury risk
  49. Buddy system encouraged:
    - Work with colleague when possible
    - Especially for after-hours or high-risk work
    - Mutual monitoring and assistance
    - Faster emergency response if needed
  50. SAFE WORKING PRACTICES - ATTENDANCE AND SUPERVISION:
  51. Equipment left running unattended:
    - Generally prohibited unless equipment RA/SWP specifically allows it
    - If equipment can be left unattended: door signage or warning sign must indicate equipment running; emergency contact information displayed; regular check-ins scheduled; automatic shutdown or safety systems functional
    - Never leave Class 3B or 4 lasers running unattended
  52. Undergraduate supervision:
    - Supervisor must be physically present in laboratory at all times
    - Supervisor responsible for student safety and conduct
    - Student must sign in/out with supervisor for each session
    - Supervisor verifies safe practices and provides guidance
  53. COMPLETING WORK AND LEAVING THE LABORATORY:
  54. Shutdown equipment:
    - Follow equipment-specific shutdown procedures
    - Turn off light sources and lasers
    - Power down electronics in proper sequence
    - Allow equipment to cool if necessary
    - Close protective covers or shutters
  55. Secure optical setups:
    - If leaving setup overnight or longer: block all beams with shutters or beam blocks; label experiment with name, date, contact; note any hazards on label; cover sensitive components if needed (dust protection)
    - Do NOT leave Class 3B or 4 lasers unattended and powered
  56. Return equipment and tools to storage:
    - Clean tools before returning
    - Check items back into inventory if required
    - Report any damaged or missing items
    - Leave communal areas tidy for next user
  57. Clean work area:
    - Wipe down bench surface
    - Remove all personal items
    - Dispose of waste properly
    - Check floor area for dropped items or spills
    - Leave area as you found it (or better)
  58. Chemical cleanup:
    - Return chemicals to designated storage
    - Ensure containers properly sealed and labelled
    - Dispose of chemical waste properly (hazardous waste system)
    - Remove contaminated PPE and dispose/clean appropriately
    - Wash hands thoroughly
  59. Final checks before leaving:
    - Visual sweep of work area
    - All equipment powered off (unless specifically approved to run)
    - No trip hazards left in walkways
    - Lights appropriate for room status (on/off as per lab practice)
    - Emergency equipment accessible (not blocked)
  60. Sign out:
    - If using sign-in/sign-out log: record departure time
    - Undergraduate students: sign out with supervisor
    - Note any issues or equipment defects in log
  61. Exit laboratory:
    - Remove PPE (safety glasses can remain if worn in corridor)
    - Close door securely (do not prop open unless normal practice)
    - Wash hands before eating or leaving building
  62. If last person leaving laboratory:
    - Ensure all equipment powered off (except approved equipment)
    - Check all lights appropriate for unoccupied state
    - Verify door will lock when closed (swipe card access)
    - Room 116B: verify door closed and CO2 system active
    - Notify security if working very late (after hours sign-out)
  63. VISITOR MANAGEMENT:
  64. If you are hosting a visitor:
    - Visitor must be signed in (visitor log or your supervision)
    - You are responsible for visitor safety
    - Brief visitor on hazards and safety rules
    - Provide appropriate PPE (safety glasses, closed-toe shoes required)
    - Visitor must remain with you at all times (supervised)
    - Visitor must not operate equipment unless specifically trained and authorised
    - Explain emergency procedures and exit routes
  65. If you encounter an unknown visitor:
    - Politely ask if they need assistance
    - If unescorted: direct them to sign in or find their host
    - If suspicious or unwilling to identify: contact security or supervisor
    - Do not leave laboratory unattended with unknown visitors

Emergency Shutdown Procedures

Emergency Procedures for Fires, Spills or Exposure to Hazardous Substances

Clean Up and Waste Disposal Requirements

References Used in the Development of This SWP

E.g. codes of practice.

Competency Required

Qualifications, certificates, licensing, training — e.g. course or instruction.

Staff Approved to Assess Competence for This SWP

Chris Betters (Laboratory Supervisor), Sergio Leon-Saval (Laboratory Supervisor), Barnaby Norris (Laboratory Supervisor), Julia Bryant (Laboratory Supervisor)

SWP Sign Off Sheet

SWP name and version: General Optical and Laser Laboratory Safety - All SAIL Lab Areas (Version 1.0)

In signing this section the assessor agrees that the following persons are competent in following this SWP.

Competency sign-off is recorded on the printed copy of this SWP (use the Word/PDF download) or in the laboratory training register.

Name Signature Date Competent Name of Assessor/Authoriser Assessor/Authoriser Signature
         
         
         
         
         

End of Safe Work Procedure


Related Documents


Document Control

Version Date Author Changes
1.0 February 2026 Chris Betters Initial release