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eLibrary > BS EN 81-31:2024 Safety rules for the construction and installation of lifts. Lifts for the transport of goods only - Accessible goods only lifts >

BS EN 81-31:2024 Safety rules for the construction and installation of lifts. Lifts for the transport of goods only - Accessible goods only lifts, 2024

undefined
1 Scope
2 Normative references
3 Terms and definitions
4 Safety requirements and/or protective measures [Go to Page]
4.1 General
4.2 Well [Go to Page]
4.2.1 General provision
4.2.2 Well enclosure
4.2.3 Access doors – access trapdoors
4.2.4 Shapes and clearances of the walls of well and landing doors facing carrier entrance(s)
4.2.5 Protection of any spaces located below the well
4.2.6 Protection in the well
4.2.7 Headroom and pit [Go to Page]
4.2.7.1 Extreme positions of carrier, counterweight and balancing weight
4.2.7.2 Guided travel of carrier, counterweight and balancing weight
4.2.7.3 Refuge spaces on carrier roof and clearances in headroom when the carrier is at its highest position
4.2.7.4 Refuge spaces and clearances in the pit
4.2.8 Exclusive use of the well, machine and pulley rooms
4.2.9 Lighting of the well and machinery spaces
4.2.10 Alarm device
4.2.11 Equipment in the pit
4.3 Machinery spaces [Go to Page]
4.3.1 General provisions
4.3.2 Access [Go to Page]
4.3.2.1 General
4.3.2.2 Accessible machinery spaces
4.3.2.3 Non-accessible machinery spaces
4.3.2.4 Access to the pit
4.4 Landing doors [Go to Page]
4.4.1 Openings
4.4.2 Height, width, sills of entrances at landings [Go to Page]
4.4.2.1 Height
4.4.2.2 Width
4.4.2.3 Sills
4.4.2.4 Guides for landing doors
4.4.2.5 “Carrier here” indication
4.4.3 Doors [Go to Page]
4.4.3.1 General
4.4.3.2 Mechanical strength
4.4.3.3 Suspension of vertically sliding doors
4.4.3.4 Protection in relation to door operation
4.4.4 Locked and closed landing door check [Go to Page]
4.4.4.1 Protection against the risk of falling
4.4.4.2 Protection against shearing
4.4.5 Locking and emergency unlocking
4.4.6 Electric safety device for proving the landing doors closed
4.5 Carrier, counterweight and balancing weight [Go to Page]
4.5.1 Carrier [Go to Page]
4.5.1.1 Walls, floor and roof of the carrier
4.5.1.2 Enclosure
4.5.1.3 Doors at carrier entrances
4.5.1.4 Apron
4.5.1.5 Hatch
4.5.1.6 Carrier roof
4.5.1.7 Pulleys and/or sprockets
4.5.1.8 Equipment on top of the carrier
4.5.1.9 Lighting
4.5.2 Counterweight and balancing weight
4.5.3 Protection for traction sheaves, pulleys and sprockets
4.5.4 Protection of machinery
4.6 Suspension, unintended carrier movement and excessive speed protection [Go to Page]
4.6.1 Suspension means [Go to Page]
4.6.1.1 General
4.6.1.2 Sheave, pulley, drum and rope diameter ratios, rope/chain terminations
4.6.1.3 Winding up of ropes for positive drive lifts
4.6.1.4 Distribution of load between the ropes or the chains
4.6.2 Protections against free fall, excessive speed, unintended carrier movement and creeping of the carrier [Go to Page]
4.6.2.1 General provisions
4.6.2.2 Protection against unintended carrier movement
4.6.2.3 Safety devices for preventing excessive speed downwards
4.7 Guiding systems, mechanical stops and final limit switches [Go to Page]
4.7.1 General provision concerning guiding system
4.7.2 Guiding of the carrier, counterweight or balancing weight
4.7.3 Loads, stresses and deflections
4.7.4 Fixed stops and buffers
4.7.5 Final limit switches [Go to Page]
4.7.5.1 General
4.7.5.2 Actuation of the final limit switches
4.7.5.3 Method of operation of final limit switches
4.8 Lift machine and associated equipment [Go to Page]
4.8.1 General provisions
4.8.2 Lift machines for traction and positive drive [Go to Page]
4.8.2.1 Drive of the carrier and the counterweight or balancing weight
4.8.2.2 Rope traction
4.8.2.3 Use of belts
4.8.2.4 Speed
4.8.2.5 Braking system
4.8.2.6 Emergency operation
4.8.2.7 Stopping the machine and checking its stopped condition
4.8.2.8 Control devices and monitoring devices
4.8.2.9 Motor run time limiter
4.8.3 Lift machine for hydraulic drive [Go to Page]
4.8.3.1 General provisions
4.8.3.2 Jacks
4.8.3.3 Piping
4.8.3.4 Stopping the machine and checking its stopped condition
4.8.3.5 Hydraulic control and safety devices
4.8.3.6 Checking the pressure
4.8.3.7 Speed
4.8.3.8 Manual emergency operation
4.9 Electric installations and appliances [Go to Page]
4.9.1 General provision [Go to Page]
4.9.1.1 Limits of application
4.9.1.2 Degree of protection
4.9.1.3 Insulation resistance of the electrical installation (HD 603646:2016)
4.9.2 Contactors, contactor relays, components of safety circuits [Go to Page]
4.9.2.1 Contactors and contactor relays
4.9.2.2 Components of safety circuits
4.9.3 Protection of electrical equipment
4.9.4 Main switch
4.9.5 Electric wiring [Go to Page]
4.9.5.1 Conductors and cables
4.9.5.2 Cross-sectional area of conductors
4.9.5.3 Wiring practices
4.9.5.4 Connectors
4.9.5.5 Lighting and socket outlets
4.9.5.6 Control of the supply for lighting and socket outlets
4.10 Protection against electric faults; failure analysis; controls; priorities [Go to Page]
4.10.1 Failure analysis and electric safety devices [Go to Page]
4.10.1.1 Failure analysis
4.10.1.2 Electric safety devices
4.10.2 Controls; priorities [Go to Page]
4.10.2.1 Control of normal operation
4.10.2.2 Control of re-levelling with landing doors open
4.10.2.3 Control of inspection operation
4.10.2.4 Stopping devices
4.10.2.5 Priority control
4.10.2.6 Load control
5 Verification of the safety requirements and/or protective measures [Go to Page]
5.1 Verification and tests
5.2 Verification of design
5.3 Verification tests before putting into use
6 Information for use [Go to Page]
6.1 General
6.2 Notices, markings and operating instructions [Go to Page]
6.2.1 General provisions
6.2.2 Rating plate
6.2.3 Carrier
6.2.4 Landings
6.2.5 Machinery spaces
6.2.6 Well
6.2.7 Safety components
6.2.8 Identification of electric components
6.2.9 Alarm device
6.2.10 More than one lifts in one machine room
6.2.11 Emergency lowering valve
6.2.12 Hand pump
6.2.13 Reduced headroom clearances
6.2.14 Reduced clearances in the pit
6.3 Instruction handbook [Go to Page]
6.3.1 General
6.3.2 Minimum contents of the instruction handbook [Go to Page]
6.3.2.1 General information
6.3.2.2 Capacity and design information
6.3.2.3 Dimensions and weights
6.3.2.4 Power supply data
6.3.2.5 Safety devices
6.3.2.6 Additional technical information
6.3.2.7 Instructions for erection and dismantling
6.3.2.8 Instructions for tests before putting into use
6.3.2.9 Instructions for operating and use
6.3.2.10 Breakdown procedures
6.3.2.11 Regular inspection and maintenance
6.3.3 Verifications and tests
6.3.4 Verifications and tests after accidents
6.4 Logbook
Annex A (normative)List of electric safety devices
Annex B (informative)Technical documentation [Go to Page]
B.1 General
B.2 Technical details and plans
B.3 Electric diagrams and hydraulic diagrams
Annex C (normative) Verifications and tests before putting into use [Go to Page]
C.1 General
C.2 Tests and verifications
C.3 Tests and verifications in case of reduced clearances in pit and/or headroom
Annex D (informative)Periodical verifications and tests, verifications and tests after an accident [Go to Page]
D.1 Periodical verifications and tests
D.2 Verifications and tests after an accident
Annex E (normative)Safety components and safety devices – Test procedures for verification [Go to Page]
E.1 General provisions [Go to Page]
E.1.1 Object and extent of the tests
E.1.2 Model form of a test report
E.2 Landing door locking devices [Go to Page]
E.2.1 General provisions [Go to Page]
E.2.1.1 Field of application
E.2.1.2 Documents that shall be made available to the test examiner
E.2.1.3 Test samples
E.2.2 Verifications and tests [Go to Page]
E.2.2.1 Verification of operation
E.2.2.2 Mechanical tests
E.2.2.3 Criteria for the mechanical tests
E.2.2.4 Electrical test
E.2.3 Test particular to certain types of locking devices [Go to Page]
E.2.3.1 Locking device for horizontally or vertically sliding doors with several panels
E.2.3.2 Flap type locking device for hinged landing doors
E.2.4 Type test report
E.3 Safety gear [Go to Page]
E.3.1 General provisions
E.3.2 Instantaneous safety gear [Go to Page]
E.3.2.1 Test samples
E.3.2.2 Test
E.3.2.3 Documents
E.3.2.4 Determination of the permissible mass
E.3.3 Progressive safety gear [Go to Page]
E.3.3.1 Statement and test sample
E.3.3.2 Test
E.3.3.3 Calculation of the permissible mass
E.3.3.4 Possible modification to the adjustments
E.3.4 Comments
E.3.5 Test report
E.4 Overspeed governor [Go to Page]
E.4.1 General provisions
E.4.2 Check on the characteristics of the overspeed governor [Go to Page]
E.4.2.1 Test samples
E.4.2.2 Test
E.4.3 Test report
E.5 Safety circuits containing electronic components [Go to Page]
E.5.1 General
E.5.2 General provisions
E.5.3 Test samples
E.5.4 Tests [Go to Page]
E.5.4.1 Mechanical tests
E.5.4.2 Temperature tests
E.5.4.3 Failure analysis of electric safety circuits
E.5.5 Test report
E.6 Rupture valve/one-way restrictor [Go to Page]
E.6.1 General
E.6.2 General provisions
E.6.3 Test samples
E.6.4 Tests [Go to Page]
E.6.4.1 Test installation
E.6.4.2 Measuring instruments
E.6.5 Test procedure [Go to Page]
E.6.5.1 General
E.6.5.2 Simulation of a total piping failure
E.6.5.3 Resistance against pressure
E.6.6 Assessment of the tests [Go to Page]
E.6.6.1 Closing operation
E.6.6.2 Pressure resistance
E.6.6.3 Readjustment
E.6.7 Test report
E.7 Buffers [Go to Page]
E.7.1 General provisions
E.7.2 Samples to be submitted
E.7.3 Tests [Go to Page]
E.7.3.1 Energy accumulation buffers with non-linear characteristics
E.7.4 Test report
E.8 Pre-triggered stopping system [Go to Page]
E.8.1 General provisions
E.8.2 Statement and test samples
E.8.3 In house tests [Go to Page]
E.8.3.1 Method of test
E.8.3.2 Determination of the nominal braking force of the stopping gear
E.8.3.3 Checking after the tests
E.8.4 Calculation [Go to Page]
E.8.4.1 Calculation method
E.8.4.2 Site test case
E.8.4.3 Worst cases
E.8.5 Test report
Annex F (informative)Construction of walls of accessible goods only lift well and landing doors facing a carrier entrance
Annex G (normative)Calculations of rams, cylinders, rigid pipes and fittings [Go to Page]
G.1 Calculations against over pressure [Go to Page]
G.1.1 Calculation of wall thickness of rams, cylinders, rigid pipes and fittings
G.1.2 Calculation of the thickness of the base of cylinders (examples) [Go to Page]
G.1.2.1 General
G.1.2.2 Flat bases with relieving groove
G.1.2.3 Cambered based
G.1.2.4 Flat bases with welded flange
G.2 Calculations of the jacks against buckling [Go to Page]
G.2.1 General
G.2.2 Single acting jacks
G.2.3 Telescopic jacks without external guidance, calculation of ram
G.2.4 Telescopic jacks with external guidance
G.2.5 Symbols:
Annex H (informative)Information to the user/owner of an accessible goods only lift [Go to Page]
H.1 General
H.2 Means of access to machinery space entrance of the accessible goods only lift
H.3 Maintenance work carried out from a step of a ladder
Annex I (normative)Electronic components – Failure exclusion
Annex J (normative)Headroom and pit [Go to Page]
J.1 General
J.2 Reduced clearances in the headroom [Go to Page]
J.2.1 General
J.2.2 Devices providing refuge spaces in the headroom [Go to Page]
J.2.2.1 General
J.2.2.2 Movable stops
J.2.2.3 Pre-triggered stopping system
J.2.2.4 Clearances
J.2.2.5 Operation
J.2.2.6 Electrical monitoring
J.2.3 Safety system
J.2.4 Visible and audible information
J.2.5 Balustrade on the carrier roof
J.3 Reduced clearances in the pit [Go to Page]
J.3.1 General
J.3.2 Devices providing refuge spaces in the pit [Go to Page]
J.3.2.1 General
J.3.2.2 Movable stops
J.3.2.3 Pre-triggered stopping system
J.3.2.4 Clearances
J.3.2.5 Operation
J.3.2.6 Electrical monitoring
J.3.3 Safety system
J.3.4 Visible and audible information
Annex K (informative)Building interfaces [Go to Page]
K.1 General provisions [Go to Page]
K.1.1 General
K.1.2 Information
K.1.3 Inspection doors – inspection trapdoors
K.2 Support of guide rails
K.3 Ventilation of well and machinery spaces [Go to Page]
K.3.1 General
K.3.2 Ventilation of the well and machinery spaces
Annex L(informative)List of significant hazards
Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered [Go to Page]

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