SIST EN 1808:2000+A1:2010
(Main)Safety requirements on Suspended Access Equipment - Design calculations, stability criteria, construction - Tests
Safety requirements on Suspended Access Equipment - Design calculations, stability criteria, construction - Tests
This standard specifies the safety requirements for Suspended Access Equipment (SAE). It is applicable to both permanent and temporary equipment which may be powered or hand operated and which are defined in clause 3. 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.
Sicherheitsanforderungen an hängende Personenaufnahmemittel - Berechnung, Standsicherheit, Bau - Prüfungen
Anwendung: Die vorliegende Norm macht Angaben über die Sicherheitsanforderungen für Hängende Personenaufnahmemittel (SAE). Sie ist anwendbar auf dauerhaft und vorübergehend errichtete Anlagen, die kraft- oder handbetrieben sein können, und die in Abschnitt 3 beschrieben sind. Gefahren: Die vorliegende Europäische Norm beschäftigt sich mit Gefahren, die für ein SAE von Bedeutung sind, wenn dieses bestimmungsgemäß und unter den vom Hersteller vorgesehenen Bedingungen benutzt wird (siehe Abschnitt 4).
Exigences de sécurité aux plates-formes suspendues à niveaux variables - Calculs, stabilité, construction - Essais
Application: La présente norme spécifie les prescriptions de sécurité des plate-formes suspendues à niveau variable (SAE). Cette norme est applicable aux appareils permanents et temporaires, lesquels peuvent être mus mécaniquement ou manuellement et qui sont définis à l'article 3. Phénomènes dangereux: La présente norme européenne traite des phénomènes dangereux significatifs existants pour les SAE, lorsqu'elles sont utilisées dans les conditions prévues par le fabricant (voir article 4).
Varnostne zahteve za viseče dvižne naprave - Konstrukcijski izračuni, kriteriji stabilnosti, izvedbe - Preskusi (vključno z dopolnilom A1)
Ta standard določa varnostne zahteve za viseče dvižne naprave (SAE). Velja za začasno in stalno opremo, gnano ali ročno, opredeljeno v Klavzuli 3. Ta evropski standard obravnava vse bistvene nevarnosti v zvezi z visečimi dvižnimi napravami, kadar se uporabljajo v skladu z namembnostjo in pod pogoji, kot jih je predvidel proizvajalec (glej Klavzulo 4). Ta evropski standard določa primerne tehnične ukrepe za odpravo ali zmanjšanje tveganj, ki se pojavijo zaradi velikih nevarnosti.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sicherheitsanforderungen an hängende Personenaufnahmemittel - Berechnung, Standsicherheit, Bau - PrüfungenExigences de sécurité aux plates-formes suspendues à niveaux variables - Calculs, stabilité, construction - EssaisSafety requirements on Suspended Access Equipment - Design calculations, stability criteria, construction - Tests53.020.99Druga dvigalna opremaOther lifting equipmentICS:Ta slovenski standard je istoveten z:EN 1808:1999+A1:2010SIST EN 1808:2000+A1:2010en,fr,de01-oktober-2010SIST EN 1808:2000+A1:2010SLOVENSKI
STANDARDSIST EN 1808:20001DGRPHãþD
SIST EN 1808:2000+A1:2010
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1808:1999+A1
June 2010 ICS 53.020.99 Supersedes EN 1808:1999English Version
Safety requirements on Suspended Access Equipment - Design calculations, stability criteria, construction - Tests
Exigences de sécurité aux plates-formes suspendues à niveaux variables - Calculs, stabilité, construction - Essais Sicherheitsanforderungen an hängende Personenaufnahmemittel - Berechnung, Standsicherheit, Bau - Prüfungen This European Standard was approved by CEN on 19 February 1999 and includes Amendment 1 approved by CEN on 13 May 2010.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1808:1999+A1:2010: ESIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 2 Contents Page Foreword .3Introduction .41Scope .52Normative references .63Definitions .64List of hazards . 195Safety requirements and/or measures . 236Structural, stability and mechanical calculations . 237Suspended platform . 378Hoist, secondary device, pulley and wire rope . 449Suspension rig . 5210Electrical, hydraulic and pneumatic systems . 5811Control systems . 5912Verification of the safety requirements . 6113Marking and warning . 6314Accompanying documents . 65Annex A (normative)
Platform type tests. 69Annex B (normative)
Hoist and secondary device type tests . 74Annex C (normative)
Suspension rig type test . 80Annex D (normative)
Additional requirements . 82Annex ZA (informative)
!!!!Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC"""" . 83Annex ZB (informative)
!!!!Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC"""" . 84 SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 3 Foreword This document (EN 1808:1999+A1:2010) has been prepared by Technical Committee CEN/TC 98 "Lifting platforms", the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2010, and conflicting national standards shall be withdrawn at the latest by December 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document includes Amendment 1, approved by CEN on 2010-05-13. This document supersedes EN 1808:1999. The start and finish of text introduced or altered by amendment is indicated in the text by tags
!". This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). !For relationship with EU Directives, see informative Annexes ZA and ZB, which are integral parts of this document." According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 4 Introduction !This European Standard is a type C standard as stated in EN ISO 12100." The machinery concerned and the extent to which hazards are covered are indicated in the scope of this standard. It is assumed that: Negotiations shall take place between manufacturer and user about specific local installation conditions; Risk analysis of each component that may be incorporated in a complete SAE installation has been made. Rules have been drawn up on the basis of this assumption; The safety requirements of this standard have been drawn up on the basis that the components are a) designed in accordance with the usual engineering practice and calculation codes, including all failure modes, b) of sound mechanical and electrical construction, c) made of materials with adequate strength and of suitable quality, and d) be free of defects; Harmful materials, such as asbestos are not used; The equipment is kept in good working order; Any mechanical device manufactured according to good practice and the requirements of this standard shall not deteriorate to the point of creating a hazard without being detected; The ambient temperature range is between - 10° C and + 55° C. Additional requirements for equipment intended for use outside the ambient temperature range are set out in annex D; The parapets and roofs are of adequate strength for the SAE equipment to be installed. SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 5
1 Scope 1.1 Application This standard specifies the safety requirements for Suspended Access Equipment (SAE). It is applicable to both permanent and temporary equipment which may be powered or hand operated and which are defined in clause 3. 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: a) operation in severe conditions (e.g. extreme environmental conditions, corrosive environment, strong magnetic fields, etc.); b) operation subject to special rules (e.g. potentially explosive atmospheres, work on live lines); c) transportation of passengers from one level to another; d) handling of loads, the nature of which could lead to dangerous situations (e.g. molten metal, acids/bases, radioactive materials, brittle loads); e) hazards occuring when handling suspended loads in conjunction with the suspended platform; f) hazards occuring when used on public roads, over water, or wherever it is not possible to lower the platform to a safe position; g) hazards arising from wind pressure acting on loads having a surface area in excess of 2 m²; h) SAE using cableless control systems. The following applications for SAE are excluded from this standard: Access to working areas with an incline in excess of 45° compared to the vertical; Working platforms suspended by cranes; Silo access equipment; Access equipment using fibre ropes or chains for the suspension of the platform; SAE intended to be used underground; SAE powered by combustion engines; SAE intended to be used in shafts. SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 6 2 Normative references !The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies." !EN 280:2001, Mobile elevating work platforms — Design calculations — Stability criteria — Construction — Safety — Examinations and tests" !deleted text" EN 294:1992, Safety of machinery — Safety distances to prevent danger zones being reached by the upper limbs EN 418:1992, Emergency stop equipment, functional aspects — Principles for design EN 614-1:1995, Safety of machinery — Ergonomic design principles — Part 1: Terminology and general principles EN 954-1:1996, Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design EN 982:1996, Safety requirements for fluid power systems and their components — Hydraulics EN 983:1996, Safety requirements for fluid power systems and their components — Pneumatics EN 1050:1996, Safety of machinery — Risk assessment EN 60204-1:1992, Safety of machinery — Electrical equipment of machines — Part 1: General requirements EN 60529:1991, Degrees of protection provided by enclosures (IP-code) (IEC 60529:1989) EN 60947-5-1:1991, Low-voltage switchgear and controlgear — Part 5: Control circuit devices and switching elements — Section 1: Electromechanical control circuit devices and switching elements !deleted text" !EN ISO 12100-1:2003, Safety of machinery — Basic concepts, general principles for design — Part 1: Basic terminology, methodology (ISO 12100-1:2003) EN ISO 12100-2:2003, Safety of machinery — Basic concepts, general principles for design — Part 2: Technical principles (ISO 12100-2:2003)" 3 Definitions For the purpose of this standard, the following definitions apply. They are classified in terms of key words. 3.1 building maintenance unit (BMU) BMUs are SAE intended to be permanently installed and dedicated to a specific building or structure. BMUs consist of a platform, suspended from a suspension rig which is generally a trolley unit with hoist, operating either on rails or on a suitable surface, e.g. concrete track. Monorails with traversing trolleys or other suspension rigs, e.g. davits, fixed to the building, from which a platform may be suspended, shall be considered as parts of a BMU NOTE BMU are intended to be used by operators for inspection, cleaning and maintenance of a building where the general public may have access below the suspended platform. SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 7 3.2 temporary suspended platforms (TSP) TSPs are SAE which are temporarily installed on a building or structure for specific tasks. TSPs consist of a platform and suspension rig which are assembled prior to use on a work site. They are dismantled and removed from site on completion of the work for which they were installed NOTE TSPs are intended to be used by operators for, e.g. construction, cladding, painting, maintenance and refurbishment of buildings, bridges, chimneys and other structures. 3.3 Personnel 3.3.1 competent person Designated person, suitably trained, qualified by knowledge and practical experience and provided with the necessary instructions to enable the required task to be carried out safely 3.3.2 operator Designated person, suitably trained for working at height, qualified by knowledge and practical experience and provided with the necessary instructions to enable operations to be carried out on SAE 3.4 Hoist 3.4.1 drum hoist hoist with a drum onto which the suspension ropes are reeled in one or more layers 3.4.2 traction hoist assembly through which the wire rope is conveyed as a result of friction between the wire rope and the traction assembly, with no tail load 3.4.3 twin capstan drum hoist hoist system which lifts and lowers the suspension rope by passing the rope around two gear driven grooved multi-wrap capstan drums, and transferred to a wire rope winder designed to apply a "tail load" to the capstan drum system 3.4.4 jaw operated traction hoist hoist where the traction assembly consists of two pairs of jaws 3.4.5 prime mover Source of power for the hoist, e.g. electric, hydraulic, pneumatic motors and hydraulic jack 3.4.6
rated speed average speed measured during the upward and downward hoisting travel of the platform with its rated load for a travel length of 10 m or more and with the rated power supply applied 3.4.7
service brake mechanical brake, automatically applied by stored energy (e.g. spring force) until released with an external sustained power supply (electrically, hydraulically, pneumatically, etc.) under the control of the operator or automatically SIST EN 1808:2000+A1:2010
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3.4.8
secondary device device intended to stop the descent of the platform under emergency conditions, e.g. breaking of a suspension wire rope or failure of a hoist 3.4.8.1 fall arrest device device acting directly on a secondary wire rope, which automatically stops and holds the platform 3.4.8.2 secondary brake brake acting directly on the drum, traction sheave, or final drive shaft, intended to stop the descent of the platform 3.4.9 anti-tilt device device which detects when the longitudinal slope of the platform exceeds a pre-set angle 3.4.10
no-power descent manually operated system that allows controlled descent of a power operated platform 3.4.11
manual lever/wheel/handle device on the hoist which allows the platform to be lifted or lowered manually 3.4.12
wire rope winder storage drum onto which wire rope is reeled 3.4.13
cable reeler storage drum onto which electric cable is reeled 3.4.14
hoist operation cycle (for test purposes only) one cycle shall consist of lifting and lowering over a minimum vertical distance. This distance being where either: the wire rope passes through all wire rope related parts of the traction hoist and its pulleys and reeler system, or the wire rope passes through four turns around the drum hoist and its related pulleys 3.4.15
platform-mounted hoist hoist which is mounted on the platform 3.4.16
roof-mounted hoist hoist which is mounted on the suspension rig or trolley 3.4.17
overload detection device device which trips and acts automatically to stop the upward motion of a platform if the load in the suspension wire rope(s) reach(es) the tripping limit SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 9 3.4.18
tripping limit static load which causes the overload detection device to operate 3.5 Suspended platforms 3.5.1 suspended platform that portion of the assembly designed to carry persons and their equipment 3.5.1.1
single point suspended platform platform which incorporates 1 anchor point 3.5.1.2
double point suspended platform platform which incorporates 2 anchor points 3.5.1.3
multi-point suspended platform platform which incorporates 3 or more anchor points and which is not hinged 3.5.1.4
hinged continuous platform long platform which incorporates more than 2 anchor points having articulated sections to ensure tension in each suspension wire rope 3.5.1.5
multi-deck suspended platform platform made up of 2 or more decks, connected vertically (See Figure 17) 3.5.1.6
suspended chair chair which incorporates one anchor point, for one person to use 3.5.1.7
cantilevered platform:
platform where the deck extends beyond the anchor point 3.5.2
restraint system system attaching the suspended platform to the mullions or other fixtures on the building and which limits the lateral movement of the suspended platform due to the wind 3.5.3
suspension wire rope restraint system vertical series of plugs on the building, each with a lanyard and end ring which is fitted to the suspension ropes on descent and removed on lifting (See Figure 19) 3.5.4
anchor point point provided on the platform or chair for the independent attachment of the hoist(s)/suspension rope(s) and secondary rope(s)/fall arrest device(s) SIST EN 1808:2000+A1:2010
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3.6 Loads 3.6.1
total suspended load (TSL) static force imposed on the suspension point(s), consisting of the rated load of the platform, the self-weight of the platform, the ancillary equipment, the wire ropes and the electric cable, if any 3.6.2
rated load (RL) maximum mass which the suspended platform has been designed to carry as designed by the manufacturer. The rated load comprises persons and equipment 3.6.3
working load limit (WLL) maximum load which a piece of equipment is authorised to sustain as designed by the manufacturer. The WLL is specified by the manufacturer 3.6.4
working coefficient arithmetic ratio between the load guaranteed by the manufacturer up to which a piece of equipment or the SAE, is able to hold it and the WLL marked on a piece of equipment or SAE 3.6.5
test coefficient arithmetic ratio between the load used to carry out the static or dynamic tests on a SAE or a piece of equipment, and the WLL marked on the SAE or a piece of equipment 3.6.6
static test Test during which the SAE or a piece of equipment is first inspected and then subjected to a force corresponding to the WLL multiplied by the appropriate static test coefficient and then re-inspected once the said load has been released to ensure no damage has occurred 3.6.7
dynamic test test during which the SAE is operated in all its possible configurations at WLL with account being taken of the dynamic behaviour of the SAE in order to check that the SAE and safety features are functioning properly 3.7 Steel wire ropes 3.7.1
calculated coefficient ratio between the guaranteed breaking load of a steel wire rope and the maximum static force that shall be applied to that rope 3.7.2
guaranteed breaking load breaking load of a steel wire rope guaranteed by the manufacturer 3.7.3
suspension rope active steel wire rope carrying the suspended load SIST EN 1808:2000+A1:2010
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3.7.4
secondary rope steel wire rope not normally carrying the suspended load but rigged in conjunction with a fall arrest device 3.7.5
single active rope suspension system two steel wire ropes attached to a suspension point, one rope being the suspension rope and the other rope being the secondary rope 3.7.6
double active rope suspension system two steel wire ropes attached to a suspension point and each carrying part of the suspended load 3.8 Suspension rig 3.8.1
suspension rig that portion of the equipment from which the platform is suspended (excluding the track system) 3.8.2
trolley unit suspension rig mounted on wheels which is capable of traversing 3.8.3
suspension point designated area provided on the suspension rig assembly for the independent attachment of the suspension and secondary wire ropes, diverter pulleys or hoists 3.8.4
fulcrum pivoting point or line about which the balancing moments of the suspension rig are calculated 3.8.5
stability coefficient coefficient by which the overturning moment is multiplied 3.8.6
inboard portion that portion of the suspension rig which is on the building side of the fulcrum 3.8.7
outboard portion that portion of the suspension rig which projects from the fulcrum over the edge of the building 3.8.8
counterweights weights which are attached to the suspension rig to counterbalance the overturning moment 3.8.9
counterweighted suspension beam static beam where the stability is assured by counterweights 3.8.10
mechanically anchored suspension rig structure where the stability is assured by a mechanical anchor SIST EN 1808:2000+A1:2010
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3.8.11
stationary suspension rig structure which is positioned and fixed before suspending the platform 3.8.12
parapet clamp structure attached to the roof parapet and dependent on the parapet for location and anchorage 3.8.13
davit structure anchored to the roof (See Figure 12) 3.8.14
rail track rails normally installed at roof level to support and guide a trolley unit 3.8.15
guide rail rail normally installed at roof level to guide a trolley unit 3.8.16
monorail track track normally fixed along the perimeter of a building at roof level to support and guide a traversing trolley 3.8.17
traversing trolley wheeled block designed to run on a monorail track, used to suspend a platform below the monorail and to incorporate a traversing system for the platform 3.8.18
lifting all operations which move a platform to a higher level 3.8.19
lowering all operations which move a platform to a lower level 3.8.20
platform rotation circular movement of the platform about its vertical axis passing through the platform itself 3.8.21
suspension rig slewing circular horizontal movement of the suspension rig about a vertical axis 3.8.22
traversing longitudinal movement of a suspension rig 3.8.23
luffing rotational movement of the jib(s) about a horizontal axis to allow positioning of the platform 3.8.24
jib telescoping movement to extend or retract a jib SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 13 3.8.25
jib slewing circular movement of the jib relative to the suspension rig
1 = Trolley unit 2 = Monorail track 3 = Traversing trolley 7 = Counterweighted suspension beam 4 = Single point suspended platform 8 = Suspended platform 5 = Traversing trolley 9 = Parapet clamp 6 = Fixed davit 10 = Suspended chair
Typical BMU Typical TSP Figure 1 — Example of different types of SAE
SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 14
12341234AB 1 = Luffing jib 3 = Suspended platform 2 = Pulley 4 = Anticollision device A = on rails, B = on concrete track Figure 2 — Example of trolley unit (power operated)
SIST EN 1808:2000+A1:2010
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1 =
Secondary wire rope 7 = Rear guard rail
2 = Suspension wire rope 8 = Intermediate guard rail
3 = Fall arrest device 9 = Toe guard
4 = Traction hoist 10 = Decking
5 = Front guard rail 11 = Vertical member 6 = Stirrup 12 = Stabilizing device Figure 3 — Example of typical TSP platform
SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 16
2 = Single point suspended platform 1 = Suspended chair Figure 4 — Example of typical single point suspended platform and suspended chair
SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 17 3.9 Symbols and abbreviations A
Area exposed to wind
(m²) a
Deflection of the platform under load
(mm) B
Width of the platform
(m) b
Residual deflection of the platform
(mm) BMU
Building Maintenance Unit
(-) c
Shape factor
(-) Cwr
Working coefficient for suspension rig
(-) D
Pitch diameter on pulley or drum hoist
(mm) d
Nominal diameter of wire rope
(mm) F
Force
(N) Fh
Horizontal force
(N) Fo
Minimum guaranteed breaking load of wire rope
(N) Fv
Vertical force
(N) Fs
Shearing force
(N) Fw1
Wind force in service
(N) Fw2
Wind force out of service
(N) H
Pitch ratio
(-) L
Length of platform
(m) Lb
Distance between fulcrum and the point where the selfweight of the suspension rig acts
(m) Lc
Length of cantilevered section of platform
(m) Lf
Free span of guard rail between two vertical members
(m) Li
Length of inboard portion of suspension rig
(m) Lo
Length of outboard portion of suspension rig
(m) Lpi/Lpo
Horizontal projection between the fulcrum line and the point where SWP/W acts
(m) Ls
Distance between the bolts or supports which withstand the overturning moment
(m) Lmi/Lmo/ Horizontal projection between the fulcrum Ls1/LW
and the point where SL, Mi, Mo and Fw act
(m) SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 18 Mc
Mass of electric cable
(kg) Me
The minimum weight of personal equipment
(kg) Mi
Mass of inboard portion of suspension rig
(kg) Mm
Mass of material on work platform
(kg) Mo
Mass of outboard portion of suspension rig
(kg) Mp
Assumed mass of a person
(kg) Mw
Mass of the counterweights
(kg) Mwr
Mass of wire ropes when the platform is completely lowered (kg) n
Number of persons on the platform
(-) Nr
Number of steel wire ropes or falls supporting the platform
(-) q
Wind pressure
(N/m²) Ra
Standard of smoothness
(µm) RF
Minimum load capacity of platform deck
(kg/m²) Rh
Horizontal support reaction on suspension rig
(N) RL
Platform Rated Load
(kg) Rv
Vertical support reaction on suspension rig
(N) S
Maximum static force in the wire rope
(N) Sa
Surface of deck
(m²) SAE
Suspended Access Equipment
(-) Sd
Shock load coefficient
(-) SWR
Mass of suspension rig
(kg) SWP
Mass of the platform
(kg) T
Length over which the load is distributed
(m) Tm
Maximum traction force in the wire rope
(N) TSL
Total suspended load
(kg) TSP
Temporary Suspended Platform
(-) v
Wind speed
(m/s) W
Save working load on the cantilevered deck
(kg) WLL
Working Load Limit
(kg) SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 19 Wtd
Dynamic test load
(kg) Wts
Static test load
(kg) Zp
Calculated coefficient of steel wire rope
() σ E
Elastic yield limit
(N/mm²) σ R
Breaking limit
(N/mm²) σ a
Allowable stress
(N/mm²) vE
Safety coefficient compared to elastic yield limit
(-) vR
Safety coefficient compared to breaking limit
(-) 4 List of hazards This chapter contains hazards and hazardous situations, identified by risk assessments significant for SAE and which require action to eliminate or reduce risk. A hazard which is not relevant (NR), is not significant (NS) or not dealt with (ND) is shown in the corresponding requirements column of Table 1. Table 1 — List of hazards Line No. HAZARDS Relevant clauses in this standard 1 Mechanical hazards
1.1 Generated by machine parts or workpieces caused by
1.1.1 Shape 0, 9.3.1 1.1.2 Mass and stability (potential energy of elements which may move under the effect of gravity) See Line 27.1.1 of this table 1.1.3 Inadequacy of mechanical strength See Line 27.4 of this table 1.2 Accumulation of energy inside the machinery caused by
1.2.1 Elastic elements (springs) loaded wire rope winder 14.7 1.2.2 Liquid and gases under pressure 10.2 1.3 Elementary forms of mechanical hazards
1.3.1 Crushing hazard due to lack of clearance 9.2.1.5 1.3.2 Shearing hazard 8.1.4, 8.10.6 1.3.3 Cutting or severing hazard 8.1.4, 8.10.6 1.3.4 Entanglement hazard 8.1.4 1.3.5 Drawing in or trapping hazard 8.3.4 1.3.6 Impact hazards due to swinging of the platform against the facade 7.7, 7.8 1.3.7 Stabbing or puncture hazard NS SIST EN 1808:2000+A1:2010
EN 1808:1999+A1:2010 (E) 20 Line No. HAZARDS Relevant clauses in this standard 1.3.8 Friction or abrasion hazard NS 1.3.9 High pressure fluid injection or ejection 10.2 2 Electrical hazards
2.1 Contact of persons with live parts (direct contact) shall be considered in relation to the degree of protection 10.1.5 2.2 Contact of persons with parts which have become live under faulty conditions (indirect contact) shall be considered in relation to: main power supply protection continuity of the protective bonding circuit
10.1.2 14.4 2.3 Approach to live parts under high voltage ND 2.4 Electrostatic phenomena NR 2.5 Thermal radiation or other phenomena such as the projection of molten particles and chemical effects fro
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