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BS EN 1808:2015

BS EN 1808:2015

$215.11

Safety requirements for suspended access equipment. Design calculations, stability criteria, construction. Examinations and tests

Published By Publication Date Number of Pages
BSI 2015 136
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1.1 Application

This European Standard specifies the requirements, test methods, marking and information to be provided by the manufacturer/supplier for suspended access equipment (SAE).

It is applicable to both permanent and temporary equipment which can be powered or hand operated and which are defined in Clause 3.

The requirements of this standard include the rails, tracks and other support systems on which SAE depend for their integrity and safety as well as taking into account all associated loads and fixings to the building structure.

This document is not applicable to SAE which is manufactured before the date of its publication as an EN.

1.2 Hazards

This European Standard deals with significant hazards pertinent to SAE when they are used as intended and under the conditions foreseen by the manufacturer (see Clause 4). This European Standard specifies appropriate technical measures to eliminate or reduce risks arising from the significant hazards.

1.3 Exclusions

The following are not covered in this document:

  1. operation in severe and special conditions (e.g. extreme environmental conditions, corrosive environments, strong magnetic fields);

  2. operation subject to special rules (e.g. potentially explosive atmospheres, work on live overhead electrical lines);

  3. transportation of passengers from one level to another;

  4. handling of loads which could lead to a dangerous situation (e.g. molten metal, acids/bases, radioactive materials);

  5. working platforms suspended by cranes;

  6. silo access equipment;

  7. SAE using chains for the direct suspension of a platform;

  8. SAE using fibre ropes for the suspension of a platform;

  9. SAE intended to be used underground;

  10. SAE intended to be used in shafts;

  11. SAE directly powered by combustion engines.

PDF Catalog

PDF Pages PDF Title
7 1 Scope
1.1 Application
1.2 Hazards
1.3 Exclusions
8 2 Normative references
3 Terms and definitions, symbols and abbreviations
25 4 Hazards and preventative actions
29 5 Safety requirements and/or measures
6 Structural, stability and mechanical calculations for SAE
6.1 General
30 6.2 Safety margin allowed within the calculations
6.2.1 Calculating the stresses in structures
6.2.1.1 General
6.2.1.2 Allowable stresses
31 6.2.1.3 Checks against fatigue
6.2.2 Calculating the stress in mechanisms
6.2.2.1 General
6.2.2.2 Checks against fatigue and wear
32 6.3 Design loads and forces
6.3.1 General
6.3.2 TSAE Compatibility
6.3.3 De-rating the WLL of hoist(s)
33 6.3.4 Rated load on the platform
6.3.4.1 Platform for one person
6.3.4.2 Minimum load capacity
6.3.4.3 Calculation of RL
6.3.4.4 Single point suspended platform or chair
34 6.3.4.5 Two point suspended platform
6.3.4.6 Multi-point suspended platform and hinged continuous platform
36 6.3.5 Wind loads
37 6.3.6 Forces exerted by persons
6.4 Platform structural calculations
38 6.5 Calculations for suspension rigs
6.5.1 General
6.5.2 SAE incorporating auxiliary material hoist
6.5.3 Structural calculations for suspension rigs
6.5.3.1 Structural calculations for BMU suspension rigs
39 6.5.3.2 Structural calculations for TSP suspension rigs
40 6.5.4 Stability calculations for suspension rigs
6.5.4.1 Stability calculations for BMU suspension rigs
42 6.5.4.2 Stability calculations for TSP suspension rigs
43 6.5.5 Rail tracks and their support systems
6.5.6 Requirements for other suspension rigs
6.5.6.1 Strength of davit mechanical anchors
44 6.5.6.2 Calculation for parapet clamp
45 6.5.6.3 Monorails
6.5.6.4 Monorail support anchors
46 6.5.6.5 Stability calculation for counterweighted suspension beam
6.5.6.6 Secondary wire rope anchor on rigid structures
47 6.6 Loadings on the building
6.6.1 Safety factors
6.6.2 Recommended values for partial safety factor ( (f )
48 6.7 Calculation for steel wire rope
6.7.1 General
6.7.2 Calculation of the Force S in the suspension wire rope
6.7.2.1 Roof mounted hoist with double active rope suspension system
6.7.2.2 Platform mounted hoist
6.7.3 Rope terminations
6.8 Calculation for restraint systems
49 7 Suspended platforms
7.1 Requirements for the platform
50 7.2 Modular platforms
7.3 BMU platforms
7.4 Platform gates
7.5 Multi-deck platforms
51 7.6 Suspended chairs
7.7 Restraint systems
7.7.1 General
52 7.7.2 Mullion guide systems
7.7.3 Suspension wire rope restraint systems
58 7.7.4 Placing strict limitations on permitted wind speed
7.7.5 Other restraint systems
7.8 Wall rollers and buffers on the platform
7.9 Platforms working on an incline
59 8 Hoisting systems
8.1 General
8.1.1 Hoisting system
8.1.2 Pulleys
8.1.3 Mechanical transmission
8.1.4 Moving parts
8.1.5 Wire rope guides
8.1.6 Service brakes
60 8.2 Manually operated hoists
8.2.1 General
8.2.2 Crank operated hoists
8.2.3 Lever operated hoists
8.3 Power operated hoists
8.3.1 Prime mover
8.3.2 Electro-mechanical service brakes
61 8.3.3 Pneumatic and hydraulic mechanical service brakes
8.3.4 No-power descent
8.3.5 Overload detection devices
62 8.3.6 No load devices
8.3.7 End of rope switch for roof mounted hoists
8.3.8 Maintaining the longitudinal level of a platform (anti-tilt device)
8.3.8.1 General
8.3.8.2 Electrical anti-tilt device
8.3.8.3 Mechanical anti-tilt device
8.3.9 Obstacle detection
8.3.10 Lifting and lowering limit switches
63 8.4 Drum hoists
8.4.1 Safeguard against running off
8.4.2 Drum grooving
8.4.3 Hoist Drum
64 8.4.4 End of downward movement
8.5 Traction hoists
8.5.1 Traction force
8.5.2 Traction sheave grooving
8.6 Powered wire winders
8.6.1 Safeguard against running off
8.6.2 Roof mounted traction hoist
8.7 Twin capstan drum hoists
8.8 Jaw operated traction hoists
65 8.9 Secondary devices
8.9.1 General
8.9.2 Fall arrest devices
8.9.3 Secondary brakes
66 8.10 Rope pulleys
8.11 Wire ropes
8.11.1 General
8.11.2 Wire rope diameter
8.11.3 Wire rope terminations
67 8.11.4 Inspection facilities
8.12 Auxiliary materials hoists
68 9 Suspension rigs
9.1 General
9.2 Drive Systems
9.2.1 General
9.2.2 Travel limits of drive systems
9.2.3 Brakes and secondary devices
9.2.4 Manual drive
69 9.2.5 Powered drives
9.2.5.3 SAE powered by batteries
9.2.6 Telescopic jib systems
9.2.7 Chain drive systems
70 9.2.8 Screw jacking systems
9.2.8.1 Secondary devices
9.2.8.2 Inspection facilities for load bearing nuts
9.2.8.3 Travel limitation of the nuts
9.2.9 Rack and pinion drive systems
9.2.9.1 Secondary devices
9.2.9.2 Rack and pinion guides
9.2.9.3 Inspection facilities of pinions
9.2.10 Hydraulic drive systems
9.2.10.1 Cylinders
71 9.2.10.2 Hydraulic Drives
9.2.11 Pneumatic drive systems
9.2.11.1 Pneumatic drives
9.2.11.2 Pneumatic cylinders
9.3 Permanent suspension rigs
9.3.1 Trolley units
9.3.2 Clearance
72 9.3.3 Powered traversing
9.3.4 Jib(s)
9.3.5 Slewing
9.3.6 Counterweights
9.3.7 Covers and guards
9.3.8 Monorail tracks and traversing trolleys
73 9.3.9 Fixed and portable davits
9.3.9.1 If fixed or portable davits are used as the means of suspension of a platform the SAE shall conform to the following requirements:
9.3.9.2 Portable davits
Portable davits which are relocated in one or more working positions shall conform to the following specific requirements:
9.4 Temporary suspension rigs
9.4.1 General
9.4.2 Physical size and weight
9.4.3 Counterweighted suspension beams
9.4.4 Suspension points
74 10 Electrical, hydraulic and pneumatic systems
10.1 General
10.2 Measures to monitor 3 phase systems
75 10.3 Main power supply protection
10.4 Wire ropes with integrated electrical conductors
10.5 Spring loaded or motor powered cable reeler
10.6 Degrees of protection
11 Control systems
11.1 General
76 11.2 Emergency stop equipment
11.3 Control of jibs
11.4 Safety related parts of control systems for power operated equipment
78 11.5 Wireless control systems
79 12 Verification and certification
12.1 Type verification
12.1.1 General
12.1.2 Design checks
12.1.3 Type Tests
12.2 Manufacturing check
80 12.3 Installation checks for safety critical track supports and fixings
12.4 Verification of BMU systems on site
81 12.5 Verification after first assembly of TSAE on site
13 Marking of SAE
13.1 General
13.1.1 Signs and plates
13.1.2 All types of SAE
13.1.3 BMUs incorporating dedicated platforms
13.1.4 BMUs incorporating demountable platforms
13.1.5 TSPs
82 13.1.6 Platforms
13.2 Manual hoists
13.3 Powered hoists
13.4 Secondary devices
13.5 Suspension rigs for TSP
83 14 Accompanying documents
14.1 General
14.2 Manuals
14.2.1 General
84 14.2.2 Information relating to transport and handling of the SAE:
14.2.3 Information relating to the installation, commissioning and reassembly of the equipment:
14.2.4 Information relating to the SAE itself
85 14.2.5 Information relating to the use of the equipment:
86 14.2.6 Information for maintenance:
87 Annex A (normative) Platform type-tests
A.1 General
A.2 Maximum deflection type-test
88 A.3 Tests of cantilevered platform
A.3.1 Maximum deflection type-test
A.3.2 Stability type test
A.4 Static test of the platform
A.4.1 General
A.4.2 Horizontal deck
A.4.3 Sloped deck
89 A.5 Dynamic test of the platform
A.6 Ultimate load type-tests
90 A.7 Strength type-test of the decking
A.8 Strength type-test of the guardrail
A.8.1 Horizontal static test
A.8.2 Vertical static test
92 Annex B (normative) Hoist and secondary device type-tests
B.1 All types of hoists and secondary devices
B.1.1 Static test
B.1.2 Dynamic test
B.1.3 Strength type test
B.1.4 Testing the operation of fall arrest device
B.1.4.1 General
93 B.1.4.2 Force measurement apparatus
94 B.1.4.3 Test procedure
B.1.4.4 Test results
B.1.5 Secondary brake type test
B.1.5.1 General
95 B.1.5.2 Operating mode
B.1.5.3 Test results
96 B.1.6 Hoist lifting load limit tests
B.2 Manual operated hoists
B.2.1 In service operation test
B.2.2 Endurance type test
B.2.3 Wire rope type tests
B.3 Power operated hoists
B.3.1 Endurance type test for hoists
97 B.3.2 Overload detection device type tests
B.3.3 Electrical type tests
98 Annex C (normative) Suspension rig type-tests
C.1 Trolley unit
C.1.1 General
C.1.2 Static test
C.1.3 Dynamic test
99 C.1.4 Electrical type test
C.2 Other suspension rigs
100 Annex D (informative) Guidance on the presentation and interpretation of loads imposed by SAE structures
D.1 General
D.2 General notes for roof mounted suspension rigs
101 D.3 General notes for monorail support brackets and davits:
103 Annex E (informative) Maximum permitted horizontal displacement of platform
E.1 General
105 E.2 Sample calculation – 60 m without restraint:
107 Annex F (normative) Guidance on the requirements for wireless control systems
F.1 General
F.2 Control limitation
F.3 Stop
F.4 Serial data communication
108 F.5 Use of more than one operator control station
F.6 Battery-powered operator control stations
F.7 Receiver
F.8 Warnings
F.9 Information for use
109 Annex G (normative) Design requirements for rail tracks, monorail tracks and support systems
G.1 Scope
G.2 Characteristic loads and forces for rail tracks and rail track support systems
G.3 Basis for structural analysis
111 G.4 Materials
G.5 Ultimate limit states
G.5.1 General
G.5.2 Recommended values for partial safety factors (f)
112 G.5.3 Resistance of cross-sections of steel structures
113 G.5.4 Resistance of bisymmetrical members of steel structures
115 G.5.4.3 Local effects due to vertical wheel loads for BMUs supported on top of beams. The resistance of the beams shall be checked for the effects of the local stress induced by the BMU vertical wheel load. The web of the I or H-section shall be check…
120 G.5.5 Resistance of bottom flanges of I or H steel sections to wheel loads
G.5.5.1 Ultimate limit state
121 G.5.5.2 Serviceability limit state
123 G.6 Wheel/rail contact
G.6.1 General
124 G.6.2 Condition for load case 1
G.6.3 Condition for load case 2a, 2b and 3
125 G.7 Rail track support system
G.7.1 The rail track support system may be braced or unbraced in one or two directions or in a combination of both.
G.7.2 The bracing system shall be designed to resist the effect of the BMU’s horizontal wheel loads. In-service wind loads on the support system may be neglected.
G.7.3 Stanchions in fully braced support systems shall be designed to resist the effect of the BMU’s vertical actions only.
127 G.7.4 Stanchions in unbraced support systems shall be designed to resist the effect of the BMU’s vertical actions and transverse horizontal actions.
G.8 Serviceability limit states
G.8.1 For serviceability limit states (SLS) the partial factors for actions shall be taken as 1.0.
G.8.2 The recommended limits for vertical and horizontal deflections given in Table G.10 may be applied. Lower or higher values may be substituted if necessary for structural or operational reasons by agreement between the client, the designer and the…
128 G.9 Elastic critical moments and forces for plain rolled I and H sections
G.9.1 Elastic critical moment for lateral torsion buckling of members in bending
G.9.1.1 General
G.9.1.2 Uniform bending
129 G.9.1.3 Non-uniform bending
130 G.9.2 Elastic critical force for buckling of members in compression
131 G.10 References
132 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC

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BS EN 1808:2015
$215.11