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BS EN 81-41:2024 Safety rules for the construction and installation of lifts. Special lifts for the transport of persons and goods - Vertical lifting platforms intended for use by persons with impaired mobility, 2025
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 List of significant hazards
- 5 Safety requirements and/or protective measures [Go to Page]
- 5.1 General requirements for lifting platforms [Go to Page]
- 5.1.1 General
- 5.1.2 Pattern of use
- 5.1.3 Guarding
- 5.1.4 Access for maintenance, repair and inspection [Go to Page]
- 5.1.4.1 Working areas on the floor of the carrier
- 5.1.4.2 Working areas under the carrier
- 5.1.4.3 Working areas outside of the enclosed liftway
- 5.1.4.4 Machinery outside of the enclosed liftway
- 5.1.5 Speed
- 5.1.6 Rated load
- 5.1.7 Load control
- 5.1.8 Carrier dimensions
- 5.1.9 Mechanical strength of the carrier
- 5.1.10 Resistance to operating forces
- 5.1.11 Protection of equipment against harmful external influences [Go to Page]
- 5.1.11.1 General
- 5.1.11.2 Protection
- 5.1.11.3 Guarding of equipment from mechanical damage
- 5.1.12 Degree of protection for outdoor use
- 5.2 Carrier support/guide system (including any scissor mechanism) [Go to Page]
- 5.2.1 Horizontal clearance
- 5.2.2 Tilting
- 5.2.3 Material
- 5.2.4 General provisions concerning guide rails
- 5.2.5 Guide rails for traction drive lifting platform
- 5.2.6 Guide rails for positive drive lifting platform
- 5.3 Safety gear and overspeed governor [Go to Page]
- 5.3.1 Safety gear [Go to Page]
- 5.3.1.1 General
- 5.3.1.2 Actuation
- 5.3.1.3 Release
- 5.3.1.4 Access for inspection
- 5.3.1.5 Electric checking
- 5.3.2 Overspeed governor [Go to Page]
- 5.3.2.1 General
- 5.3.2.2 Overspeed governor rope, safety rope
- 5.3.2.3 Accessibility
- 5.4 Driving units and drive systems [Go to Page]
- 5.4.1 General requirements [Go to Page]
- 5.4.1.1 Drive system
- 5.4.1.2 Direction of travel
- 5.4.1.3 Geared drive units
- 5.4.1.4 Intermediate drives
- 5.4.1.5 Protection for abnormal extension
- 5.4.1.6 Protection for sheaves, pulleys and sprockets
- 5.4.2 Braking system [Go to Page]
- 5.4.2.1 General
- 5.4.2.2 Electro-mechanical brake
- 5.4.2.3 Stopping / levelling accuracy
- 5.4.3 Emergency/manual operation [Go to Page]
- 5.4.3.1 General
- 5.4.3.2 Means to actuate emergency operation
- 5.4.3.3 Indication of direction of movement
- 5.4.4 Additional requirements for rack and pinion drive [Go to Page]
- 5.4.4.1 General
- 5.4.4.2 Load distribution
- 5.4.4.3 Pinion
- 5.4.4.4 Rack
- 5.4.4.5 Rack/pinion engagement
- 5.4.4.6 Stopping the machine and checking its stopped condition
- 5.4.5 Additional requirements for rope, toothed belt, chain suspensions [Go to Page]
- 5.4.5.1 General
- 5.4.5.2 Ropes, chains and toothed belts
- 5.4.5.3 Rope/chain/toothed belt terminations
- 5.4.5.4 Pulley, drum and sprocket
- 5.4.5.5 Distribution of load between the suspension means
- 5.4.5.6 Precautions against free fall, excessive speed, unintended carrier movement and creeping of the carrier — General provisions
- 5.4.5.7 Stopping the machine and checking its stopped condition
- 5.4.6 Additional requirements for screw and nut drive [Go to Page]
- 5.4.6.1 Precautions against free fall and descent with excessive speed of the platform
- 5.4.6.2 Drive of the lifting platform
- 5.4.6.3 Stopping the machine and checking its stopped condition
- 5.4.7 Additional requirements for guided chain system [Go to Page]
- 5.4.7.1 General
- 5.4.7.2 Transmission unit
- 5.4.7.3 Stopping the machine and checking its stopped condition
- 5.4.8 Additional requirements for scissors mechanism drive
- 5.4.9 Additional requirements for hydraulic drive [Go to Page]
- 5.4.9.1 General provisions
- 5.4.9.2 Jack
- 5.4.9.3 Connection carrier /ram (cylinder)
- 5.4.9.4 Telescopic jacks
- 5.4.9.5 Piping
- 5.4.9.6 Stopping the machine and checking its stopped condition
- 5.4.9.7 Failure in contacts
- 5.4.9.8 Shut-off valve
- 5.4.9.9 Non-return valve
- 5.4.9.10 Pressure relief valve
- 5.4.9.11 Down direction valves
- 5.4.9.12 Protection against carrier free fall and descent with excessive speed
- 5.4.9.13 Filters
- 5.4.9.14 Checking the pressure
- 5.4.9.15 Tank
- 5.4.9.16 Emergency operation
- 5.4.9.17 Protection against creeping of the carrier
- 5.4.9.18 Pawl device
- 5.4.9.19 Electric anti-creep system
- 5.4.9.20 Control of levelling, re-levelling and anti-creeping with doors open
- 5.4.9.21 Motor run time limiter
- 5.4.10 Additional requirements for counterweighted traction system [Go to Page]
- 5.4.10.1 Counterweight and balance weight
- 5.4.10.2 General
- 5.4.10.3 Guarding of counterweight or balancing weight
- 5.4.10.4 Extreme position of counterweight
- 5.4.10.5 Stopping the machine and checking its stopped condition
- 5.4.11 Additional requirements for rope traction system
- 5.4.12 Traction sheaves, pulleys and sprockets in the liftway
- 5.4.13 Ascending carrier overspeed protection means
- 5.4.14 Motor run time limiter
- 5.5 Electric installation and equipment [Go to Page]
- 5.5.1 General [Go to Page]
- 5.5.1.1 Power supply
- 5.5.1.2 Electric installation
- 5.5.2 Conductors of different circuits
- 5.5.3 Insulation resistance of the electric installation
- 5.5.4 Lighting
- 5.5.5 Socket outlet
- 5.5.6 Drive contactors
- 5.5.7 Electric supply to the motors
- 5.5.8 Creepage and clearance distances and enclosure requirements [Go to Page]
- 5.5.8.1 Enclosure requirements
- 5.5.8.2 Creepage and clearance distances
- 5.5.9 Electromagnetic compatibility
- 5.5.10 Protection against electric faults
- 5.5.11 Electric/Electronic safety devices [Go to Page]
- 5.5.11.1 General provisions
- 5.5.11.2 Electric safety contacts
- 5.5.11.3 Safety circuits
- 5.5.11.4 Operation of electric safety devices
- 5.5.11.5 Actuation of electric safety devices
- 5.5.12 Protection of the driving motor
- 5.5.13 Electric wiring [Go to Page]
- 5.5.13.1 Conductors, insulation and earth bonding
- 5.5.13.2 Insulation
- 5.5.13.3 Trailing cables
- 5.5.13.4 Terminals and connectors
- 5.5.13.5 Electric identification
- 5.5.14 Additional requirements for battery powered supply
- 5.5.15 Control devices
- 5.5.16 Emergency alarm devices
- 5.5.17 Cable-less controls
- 5.5.18 Control of inspection operation
- 5.6 Specific requirements for lifting platform enclosures [Go to Page]
- 5.6.1 General
- 5.6.2 Top clearance
- 5.6.3 Risks for persons working in the liftway
- 5.6.4 Enclosure construction
- 5.6.5 Glass
- 5.6.6 Inspection doors and traps
- 5.6.7 Ventilation
- 5.7 Fire protection
- 5.8 Enclosed liftway entrances [Go to Page]
- 5.8.1 General
- 5.8.2 Swing hinged landing doors
- 5.8.3 Height of landing doors [Go to Page]
- 5.8.3.1 Top floor level
- 5.8.3.2 Bottom and intermediate floor levels
- 5.8.3.3 Existing buildings
- 5.8.4 Construction of landing doors [Go to Page]
- 5.8.4.1 Inner surface
- 5.8.4.2 Alignment
- 5.8.4.3 Glazing
- 5.8.4.4 Clearances
- 5.8.4.5 Guiding of doors
- 5.8.4.6 Sills
- 5.8.4.7 Strength of landing doors
- 5.8.5 Door locking
- 5.8.6 Emergency unlocking
- 5.8.7 Protection during door operation
- 5.9 Carrier [Go to Page]
- 5.9.1 Construction
- 5.9.2 Sensitive edges, photocells and light curtains.
- 5.9.3 Toe guard
- 5.9.4 Floor covering
- 5.9.5 Ceilings
- 5.9.6 Control panel
- 5.9.7 Handrail
- 5.9.8 Glass
- 5.9.9 Tip up seat
- 5.9.10 Structure, floor, wall, ceiling and decorative materials
- 6 Verification of safety requirements and/or protective measures [Go to Page]
- 6.1 Verification of design
- 6.2 Verification tests [Go to Page]
- 6.2.1 Overspeed safety device
- 6.2.2 Ascending overspeed protection
- 6.2.3 Rupture valve/Restrictor
- 6.2.4 Safety gear
- 6.2.5 Self-sustaining system
- 6.2.6 Stopping safety device
- 6.2.7 Landing door locking devices
- 6.2.8 Safety circuits containing electronic components
- 6.2.9 Self-monitoring
- 6.3 Verification tests on each vertical lifting platform before first use
- 7 Information for use [Go to Page]
- 7.1 Introduction
- 7.2 General
- 7.3 Signals and warning devices [Go to Page]
- 7.3.1 Information to be displayed
- 7.3.2 Rated load
- 7.3.3 Function devices
- 7.3.4 Emergency alarm device
- 7.3.5 Disabled persons symbol
- 7.4 Emergency manual operation
- 7.5 Main electric switch
- 7.6 Fragile roof
- 7.7 No goods
- 7.8 Operating instructions
- 7.9 Accompanying documents (in particular: Instruction handbook) [Go to Page]
- 7.9.1 General
- 7.9.2 Instruction manual
- 7.9.3 Marking
- 7.9.4 Building clearance requirements
- Annex A (normative)Electronic components: failure exclusion
- Annex B (informative)Guidance in selection of lifting platforms [Go to Page]
- B.1 Introduction
- B.2 Selection of lifting platforms [Go to Page]
- B.2.1 Suitability
- B.2.2 Control devices
- B.2.3 Location of the lifting platform
- B.2.4 Duty cycle
- B.3 Electric supply and lighting
- B.4 Maintenance
- Annex C (informative)Recommendations for the provisions and use of specially adapted control devices, switches and sensors [Go to Page]
- C.1 Control devices
- C.2 Assistance
- C.3 Specially adapted switches
- Annex D (informative)In-use periodic examination, tests and servicing [Go to Page]
- D.1 Periodic examinations and tests
- D.2 Servicing
- Annex E (normative)Safety components – Tests procedures for verification of conformity [Go to Page]
- E.1 General provisions
- E.2 Screw and nut (not self-sustaining system) stopping safety device [Go to Page]
- E.2.1 General provisions
- E.2.2 Check on the characteristic of the stopping safety device [Go to Page]
- E.2.2.1 Test sample
- E.2.2.2 Test
- E.2.2.3 Calculation of the permissible total mass
- E.2.2.4 Possible modification to the adjustments
- E.2.3 Comments
- E.2.4 Test report
- E.3 Self-sustaining system
- Annex F (informative)Building interfaces [Go to Page]
- F.1 General provisions
- F.2 Support of Guide Rails
- F.3 Ventilation of the enclosed liftway [Go to Page]
- F.3.1 General
- F.3.2 Ventilation of the enclosed liftway
- Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered [Go to Page]
