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BS EN 12158-1:2021

BS EN 12158-1:2021

$215.11

Builders’ hoists for goods – Hoists with accessible platforms

Published By Publication Date Number of Pages
BSI 2021 76
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1.1 This document deals with power-operated temporarily installed builderā€™s hoists (referred to as “hoists” in this document) intended for use by persons who are permitted to enter sites of engineering and construction, serving landing levels, having a load-carrying device: – designed for the transportation of goods only; – guided; – travelling vertically or along a path within 15Ā° max. of the vertical; – supported or sustained by drum-driven wire rope, chain, rack and pinion or an expanding linkage mechanism; – where masts, when erected, may or may not require support from separate structures; – which permits the access of instructed persons during loading and unloading; – which are driven by appointed persons; – which permits, if necessary, during erection, dismantling, maintenance and inspection, the access and travel by persons who are competent and authorized. 1.2 The document deals with the significant hazards, hazardous situations or hazardous events relevant to such equipment as listed in Annex C which arise during the various phases in the life of such equipment and describes methods for the elimination or reduction of these hazards when it is used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer. 1.3 This document does not specify the additional requirements for: – hydraulic installations; – operation in severe conditions (e.g. extreme climates, strong magnetic fields); – lightning protection; – operation subject to special rules (e.g. potentially explosive atmospheres); – electromagnetic compatibility (emission, immunity); – handling of loads the nature of which could lead to dangerous situations (e.g. molten metal, acids/bases, radiating materials, fragile loads); – the use of combustion engines; – the use of remote controls; – hazards occurring during manufacture; – hazards occurring as a result of mobility; – hazards occurring as a result of being erected over a public road; – earthquakes; – noise; – ergonomics; – fixed guards; – operator intervention. 1.4 This document is not applicable to: – builderā€™s hoists for persons and materials; – lifts according to EN 81 3:2000+A1:2008 and EN 81 20:2020; – inclined hoists according to EN 12158 2:2000+A1:2010; – work cages suspended from lifting appliances; – work platforms carried on the forks of fork trucks; – transport platforms according to EN 16719:2018; – work platforms; – funiculars; – lifts specially designed for military purposes; – mine lifts; – theatre elevators; – special purpose lifts. 1.5 This document deals with the hoist installation. It includes the base frame and base enclosure but excludes the design of any concrete, hard core, timber or other foundation arrangement. It includes the design of mast ties but excludes the design of anchorage bolts to the supporting structure. It includes the landing gates and their frames but excludes the design of any anchorage fixing bolts to the supporting structure. 1.6 This document is not applicable to builders’ hoists for goods (hoists with accessible platforms) manufactured before the date of publication of this document by CEN.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
12 2 Normative references
13 3 Terms and definitions
15 4 Safety requirements and/or protective/risk reduction measures
4.1 Design considerations
16 4.2 Load combinations and calculations
4.2.1 General
4.2.2 Calculation of structure
21 4.2.3 Proof calculation
4.2.4 Limit states
4.2.5 Proof of competence
22 4.2.6 Methods for the proof of competence
4.2.6.1 Limit state method
23 4.2.6.2 Allowable stress method
24 4.2.6.3 Elastic stability
4.2.7 Stability
25 4.2.8 Fatigue stress analysis of drive and braking system components
4.3 Base frame
26 4.4 Mast, ties and buffers
4.4.1 Guide structures and masts
4.4.2 Mast ties
4.4.3 Buffers
4.5 Hoistway protection and landing access
4.5.1 General
27 4.5.2 Hoist base enclosure
4.5.3 Landing access
4.5.3.1 General
28 4.5.3.2 Landings where loading and unloading takes place at floor level
31 4.5.3.3 Landings where loading and unloading takes place over a fixed landing protection
33 4.5.4 Materials for enclosure and guarding
34 4.5.5 Landing gate locking devices
4.5.5.1 Landing gates in accordance with 4.5.3.2.7 (full height gates)
4.5.5.2 Landing gates in accordance with 4.5.3.2.8 (reduced height landing gates) or 4.5.3.3 (fixed landing protection 1,1 m or more)
4.5.5.3 Design
35 4.5.6 Clearances
4.5.6.1 General
4.5.6.2 Clearances beneath the platform
36 4.6 Platform
4.6.1 General requirements
4.6.1.1 General
4.6.1.2 Platform floor
37 4.6.1.3 Platform sides
4.6.1.4 Platform gate
40 4.6.2 Overspeed safety devices against falling of the platform
41 4.6.3 Overload detection device
42 4.7 Drive unit
4.7.1 General provisions
4.7.2 Protection and accessibility
43 4.7.3 Suspension system
4.7.3.1 Rack and pinion drive
46 4.7.3.2 Wire rope/chain suspension for platform
48 4.7.4 Braking system
49 4.8 Electric installations and appliances
4.8.1 General
4.8.2 Protection against electric faults
50 4.8.3 Protection against the effects of external influences
4.8.4 Electric wiring
4.8.5 Contactors, relay-contactors
51 4.8.6 Electrical safety devices
52 4.8.7 Safety contacts
4.8.8 Travel-limit switches
4.8.8.1 Terminal stopping
4.8.8.2 Final stopping
53 4.8.8.3 2-m stopping switch
4.8.8.4 Mast detection switch
4.8.9 Slack rope/chain device
4.8.10 Erection accessories
4.8.11 Stopping devices
54 4.8.12 Stopping the machine
4.8.13 Control modes
4.8.13.1 Normal operation
4.8.13.2 Erection, dismantling and maintenance operation
55 4.9 Breakdown conditions
5 Verification of safety requirements and/or protective/risk reduction measures
5.1 Verification of design
57 5.2 Verification tests of overspeed safety device and overspeed governors
5.2.1 General provisions
5.2.2 Method of test
58 5.2.3 Test report
5.3 Verification tests on each machine before first use
59 6 Information for use
6.1 Instruction handbook
6.1.1 Comprehensive information
6.1.2 Contents of the instruction handbook
6.1.2.1 General
6.1.2.2 General information
60 6.1.2.3 Capacity and design information
6.1.2.4 Dimensions and weights
6.1.2.5 Power-supply data electrical drive(s)
61 6.1.2.6 Safety equipment
6.1.2.7 Additional technical information
6.1.2.8 Instructions for erection and dismantling (minimum contents)
63 6.1.2.9 Instructions for operating and usage
64 6.1.2.10 Breakdown procedures
6.1.2.11 Regular inspection and maintenance
6.2 Markings
66 Annex A (informative)European stormwind map
68 Annex B (normative)Performance levels for safety devices
69 Annex C (informative)List of significant hazards
71 Annex ZA(informative)Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered

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BS EN 12158-1:2021
$215.11