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16/30339195 DC BS EN 81-41. Safety rules for the construction and installation of lifts. Special lifts for the transport of persons and goods. Part 41. Vertical lifting platforms intended for use by persons with impaired mobility, 2016
- 41_e_stf.pdf [Go to Page]
- Contents Page
- 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 platform
- 5.1.4.2 Working areas under the platform
- 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 Platform dimensions
- 5.1.9 Mechanical strength of the platform
- 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 Platform support/guide system (including any scissor mechanism) [Go to Page]
- 5.2.1 Platform support/guide system [Go to Page]
- 5.2.1.1 Horizontal clearance
- 5.2.1.2 Tilting
- 5.2.1.3 Material
- 5.2.1.4 General provisions concerning guide rails
- 5.2.1.5 Guide rails for traction drive platform lifts
- 5.2.1.6 Guide rails for positive platform lifts
- 5.3 Safety gear and over-speed 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 Electrical checking
- 5.3.2 Over-speed governor [Go to Page]
- 5.3.2.1 General
- 5.3.2.2 Over-speed governor rope, safety rope
- 5.3.2.3 Over-speed governor by electronic means
- 5.3.2.4 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 Intermediate drive with two chains
- 5.4.1.6 Protection for abnormal extension
- 5.4.1.7 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
- 5.4.5 Additional requirements for rope, flat belt, toothed belt, chain suspension drive and traction drive [Go to Page]
- 5.4.5.1 General
- 5.4.5.2 Ropes, chains, flat belts and toothed belts
- 5.4.5.3 Rope/chain/flat belt/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
- 5.4.6 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 platform
- 5.4.7 Additional requirements for guided chain system [Go to Page]
- 5.4.7.1 General
- 5.4.7.2 Transmission unit
- 5.4.8 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 platform/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 hydraulic system failure
- 5.4.9.13 Restrictor
- 5.4.9.14 Filters
- 5.4.9.15 Checking the pressure
- 5.4.9.16 Tank
- 5.4.9.17 Emergency operation
- 5.4.9.18 Protection against creeping of the platform
- 5.4.9.19 Pawl device
- 5.4.9.20 Electrical anti creep system
- 5.4.9.21 Control of levelling, re-levelling and anti-creeping with doors open
- 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 carrier, counterweight and balancing weight
- 5.4.11 Rope and flat belt traction
- 5.4.12 Traction sheaves, pulleys and sprockets in the liftway
- 5.4.13 Ascending carrier over-speed protection means
- 5.5 Electrical installation and equipment [Go to Page]
- 5.5.1 General [Go to Page]
- 5.5.1.1 Power supply
- 5.5.1.2 Electrical installation
- 5.5.2 Conductors of different circuits
- 5.5.3 Insulation resistance of the electrical installation (HD 384.6.61 S1)
- 5.5.4 Lighting
- 5.5.5 Socket outlet
- 5.5.6 Drive contactors
- 5.5.7 Motors supplied directly from AC mains
- 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 electrical faults
- 5.5.11 Electric/Electronic safety devices [Go to Page]
- 5.5.11.1 General provisions
- 5.5.11.2 Electrical 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 Electrical 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 Electrical 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 Upper level
- 5.8.3.2 Lower and intermediate 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 Platform
- 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 General
- 6.2.2 Over-speed safety device
- 6.2.3 Ascending over-speed protection
- 6.2.4 Rupture valve/Restrictor
- 6.2.5 Safety gear
- 6.2.6 Self-sustaining system
- 6.2.7 Stopping safety device
- 6.2.8 Landing door locking devices
- 6.2.9 Safety circuits containing electronic components
- 6.2.10 Self-monitoring
- 6.3 Verification tests on each machine 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 Operating instructions
- 7.4 Accompanying documents (in particular: Instruction handbook) [Go to Page]
- 7.4.1 General
- 7.4.2 Marking
- 7.4.3 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 Electrical 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 Test report
- E.3 Screw and nut (not self sustaining system) stopping safety device [Go to Page]
- E.3.1 General provisions
- E.3.2 Check on the characteristic of the stopping safety device [Go to Page]
- E.3.2.1 Test sample
- E.3.2.2 Test
- E.3.2.3 Calculation of the permissible total mass
- E.3.2.4 Possible modification to the adjustments
- E.3.3 Comments
- E.3.4 Test report
- E.4 Self sustaining system
- Annex F (informative)Steel guide rail calculation
- Annex G (informative)Noncircular elastomeric coated steel suspension applications on lifting platforms [Go to Page]
- G.1 Definitions
- G.2 Properties and tolerances [Go to Page]
- G.2.1 Classification
- G.2.2 Dimension tolerances
- G.3 Replacement criteria [Go to Page]
- G.3.1 Replacement of members
- G.3.2 Replacement due to wear
- G.3.3 Replacement due to damage
- Annex H (informative)Building interfaces [Go to Page]
- H.1 General provisions
- H.2 Support of Guide Rails
- H.3 Ventilation of the enclosed liftway [Go to Page]
- H.3.1 General
- H.3.2 Ventilation of the enclosed liftway
- Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC [Go to Page]
