English version. This CEN Workshop Agreement can in no way be held as being an official standard developed by CEN and its Members.

Transcription

1 CEN WORKSHOP CWA December 2008 AGREEMENT ICS English version Dit document mag slechts op een stand-alone PC worden geinstalleerd. Gebruik op een netwerk is alleen. toestaan als een aanvullende licentieovereenkomst voor netwerkgebruik met NEN is afgesloten. This document may only be used on a stand-alone PC. Use in a network is only permitted when a supplementary license agreement for us in a network with NEN has been concluded. Lifting and Load-bearing Equipment for Stages and other Production Areas within the Entertainment Industry - Part 1: General requirements (excluding aluminium and steel trusses and towers) This CEN Workshop Agreement has been drafted and approved by a Workshop of representatives of interested parties, the constitution of which is indicated in the foreword of this Workshop Agreement. The formal process followed by the Workshop in the development of this Workshop Agreement has been endorsed by the National Members of CEN but neither the National Members of CEN nor the CEN Management Centre can be held accountable for the technical content of this CEN Workshop Agreement or possible conflicts with standards or legislation. This CEN Workshop Agreement can in no way be held as being an official standard developed by CEN and its Members. This CEN Workshop Agreement is publicly available as a reference document from the CEN Members National Standard Bodies. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No.:CWA :2008 E

2 Contents Page Foreword...5 Introduction Scope Normative references Terms and definitions General terms Loads and forces Electrical equipment Tolerances relating to movement Hazards Design requirements General Examples of machine installations showing the groups Load assumptions for stage elevators Load bearing equipment General Load bearing lines Wire ropes terminations Winding devices and diverter pulleys Winding devices for wire ropes Diverter pulleys for round wire ropes Diverter pulleys for fibre ropes Drive and idler sprockets for steel chains Drive systems Load carrying devices Loads Manually operated lifting Safeguarding hazardous areas Protective spaces Safeguarding at crushing, shearing and trapping points, and fall protection Accessibility of maintenance areas Elevator shaft walls, openings and landing doors General Interlocking of doors Counterweights Overhead suspension of loads General Lifting equipment Direct Acting Force Limiters Single Components Lifting accessories Precautions Secondary suspension Electrical equipment and control systems General requirements General

3 8.1.2 Selection of equipment Electrical supply Physical environment and operation conditions Incoming supply conductor terminations and devices for disconnecting and switching off Incoming supply conductor terminations Terminal for connection to the external protective earthing system Supply disconnecting (isolating) devices Devices for switching off for prevention of unexpected start-up Devices for disconnecting electrical equipment Protection against unauthorised, inadvertent and/or mistaken connection Protection against electric shock Protection of equipment Control circuits and control functions Safety functions and control functions in the event of failure General Providing redundancy Hazardous operating conditions Safety devices and safety functions Devices for testing safety functions Emergency stop and emergency switching-off functions Emergency stop Activation device Actuators for and design of emergency stop and switching-off functions Electronic and programmable electronic systems (E/PES) General Programmable controllers Use of programmable electronic systems (E/E/PES) to implement safety functions User information for safety functions Use of programmable electronic systems (E/E/PES) without safety functions Operator interfaces, control devices and contactors General Start devices and indicators Devices for emergency stop and switching off Requirements for contactors Conductors and cables Wiring practice Electric motors and associated equipment Accessories and lighting Marking, warning signs and reference designations Technical documentation Testing and verification of characteristics General Scope of routine testing Information for use General Technical data to be included Marking General Safe working load Anchorages Loading notices Lifting accessories Machinery Remote operations Personnel lifting Documentation and information General Operating manual

4 9.4.3 Installation instructions Repair and maintenance instruction Inspection and examination Dismantling instructions Appendix to instructions (for additional necessary documents) Documentation Testing prior to first use and after substantial changes General Test Log Testing Prior to First Use Type, Extent and Performance of Tests Acceptance Report and Test Log Test after Changes and Modifications Annex A.55 Annex B.77 Bibliography

5 Foreword The production of this CWA (CEN Workshop Agreement) specifying "Lifting and Load-bearing Equipment for Stages and other Production Areas within the Entertainment Industry was formally accepted at the CEN Workshop kick-off meeting on The final review/endorsement round for the CWA was successfully closed on /24. The final text was submitted to CEN for publication on The CWA is published in two parts: - Part 1: General requirements (excluding aluminium and steel trusses and towers) - Part 2: Specifications for design, manufacture and for use of aluminium and steel trusses and towers This document has been developed through the collaboration of a number of contributing partners representing trade associations, manufacturers, installers, consultants, users, public authorities and technical executives engaged within the entertainment industry. The organizations supporting the CWA are: ABTT, Akumek, Charcoalblue, CISMA, Delstar, DIN/Dthg, Frontline Rigging, Het Muziek Theater, LITEC, Plasa, Prolyte Products the Netherlands B.V., Rhino Rigs, Stage Technolgies Ltd, Stitching Argh, Sttf, Theatreadvies, OperaEurope, TÜV Österreich, Vlaamse Opera, VPT (Dutch OISTAT Centre), Waagner-Biro Austria Stage Systems. This CEN Workshop Agreement is publicly available as a reference document from the National Members of CEN: AENOR, AFNOR, ASRO, BDS, BSI, CSNI, CYS, DIN, DS, ELOT, EVS, IBN, IPQ, IST, LVS, LST, MSA, MSZT, NEN, NSAI, ON, PKN, SEE, SIS, SIST, SFS, SN, SNV, SUTN and UNI. Comments or suggestions from the users of the CEN Workshop Agreement are welcome and should be addressed to the CEN Management Centre. This workshop agreement does not purport to include all the necessary provisions of a contract. Users of this agreement are responsible for their correct application. Compliance with this workshop agreement does not of itself confer immunity from legal obligations. 5

6 Introduction The purpose of the CEN workshop 25 is to produce European specifications for the design, manufacture and installation of lifting and load bearing equipment within the entertainment industry. It is intended to provide common specifications for national and international (travelling) performances, performers, technicians and manufacturers. This document covers all machinery used in the entertainment industry including machinery that is excluded from the Machinery Directive (2006/42/EC) specifically Article 1 2j which excludes machinery intended to move performers during artistic performances Apart from the Machinery Directive, the Council Directive 89/655/EEC concerning the minimum safety and health requirements for the use of work equipment by workers at work states in annex II: Unless required for the effective operation of the work, measures must be taken to ensure that workers are not present under suspended loads. Loads may not be moved above unprotected workplaces usually occupied by workers. Where that is the case, if work cannot be carried out properly any other way, appropriate procedures must be laid down and applied. This workshop considers situations that give rise to danger, such as moving or holding scenery or equipment a) over persons and/or unprotected areas b) in areas with low light conditions, limited visibility, while using stage fog and other masking effects. These additional situations apply not only during performances, but also during rehearsals, technical set up, preparations, installations and other situations This document covers these hazards and suggests appropriate procedures to maintain safety. 6

7 1 Scope This document applies to machinery and machinery installations used in places of assembly and in staging and production facilities for events and theatrical productions (stage machinery, for short). Such facilities include: theatres, multi-purpose halls, exhibition halls; film, television and radio studios; concert halls, schools, exhibition halls; bars, discotheques, open-air stages and other rooms for shows and events. The document applies to machinery and machine installations with guided or unguided load bearing and load carrying equipment. For the purposes of this document, machinery installations are all technical installations and equipment used for operations in stage and production facilities in the entertainment industry. Such installations are used to lift, lower, suspend and carry loads (e.g. scenery, traverse systems, or lighting, film/video and sound equipment). They may also be used to move persons, and persons may stand under such equipment while the loads are at rest or in motion. This machinery includes Controls, electrical and electronic control systems, electrical and electronic equipment, hydraulic and pneumatic power supplies. Stages include staging facilities and production areas in theatres, multipurpose halls, studios, production facilities for film, television or radio, concert halls, congress centres, schools, exhibition centres, trade-fair centres, museums, discotheques, amusement parks, sports facilities and open-air-theatres. "Events" are, for example, concerts, shows, congresses, exhibitions, presentations, demonstrations, film or television recordings, etc. This workshop considers lifting and any movement equipment for stages and production areas within the entertainment industry, and temporary installations using trusses or truss constructions which may include ground support systems or towers at events. Typical applications include but are not limited to the following: acoustic doors; auditorium elevators; compensating elevators; cycloramas; fire curtains; fly bar systems (manual, motor driven); lighting bars; movable lighting towers; movable stage platforms (stage wagons); movable proscenium arches; orchestra elevators; performer flying; point hoists; projection screens (manual or motor-driven); revolving stages and turntables; scenery storage elevators; side stage and rear stage shutters; 7

8 stage elevators; stage wagons (stage trucks); tiltable stage floors; trap elevators. The principles in this document also apply to machinery installations based on new technologies or specially designed installations which are not expressly mentioned here but which nevertheless operate in a similar manner or are meant for similar purposes to the equipment listed above. 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. DIN EN 818-4/A1, Short link chain for lifting purposes - Safety - Part 4: Chain slings - Grade 8. EN 294, Safety of machinery; safety distances to prevent danger zones from being reached by the upper limbs. EN 349, Safety of machinery - Minimum gaps to avoid crushing of parts of the human body. EN 795, Protection against falls from a height - Anchor devices - Requirements and testing. EN 818-7, Short link chain for lifting purposes - Safety - Part 7: Fine tolerance hoist chain, Grade T (Types T, DAT and DT). EN , Eurocode 3: Design of steel structures - Part 1-10: Material toughness and through-thickness properties. EN , Eurocode 9: Design of aluminium structures - Part 1-2: Structural fire design. EN 10204, Metallic products - Types of inspection documents. EN , Steel wire ropes - Safety - Part 1: General requirements. EN , Steel wire ropes - Safety - Part 2: Definitions, designation and classification. EN , Steel wire ropes - Safety - Part 4: Stranded ropes for general lifting applications. EN , Terminations for steel wire ropes - Safety - Part 2: Splicing of eyes for wire rope slings. EN , Terminations for steel wire ropes - Safety - Part 3: Ferrules and ferrule-securing. EN , Terminations for steel wire ropes - Safety - Part 5: U- bolt wire rope grips. EN , Terminations for steel wire ropes - Safety - Part 6: Asymmetric wedge socket. EN , Terminations for steel wire ropes - Safety - Part 7: Symmetric wedge socket. EN , Metallic industrial piping - Part 3: Design and calculation. EN , Cranes - Power driven winches and hoists - Part 2: Power driven hoists. EN , Rotating electrical machines - Part 1: Rating and performance (IEC :2004). EN , Safety of machinery - Electrical equipment of machines - Part 1: General requirements 8

9 (IEC :2005). EN , Safety of machinery - Electrical equipment of machines - Part 11: Requirements for HV equipment for voltages above 1000 V a.c. or 1500 V d.c and not exceeding 36 kv (IEC :2000). EN , Safety of machinery - Electrical equipment of machines - Part 32: Requirements for hoisting machines (IEC :1998). EN , Low-voltage switchgear and controlgear assemblies - Part 1: Type-tested and partially type-tested assemblies (IEC :1999). EN , Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (IEC :2000). EN , Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices (IEC :2003). EN , Programmable controllers - Part 1: General Information (IEC :2003). EN , Programmable controllers - Part 2: Equipment requirements and tests (IEC 65B/582/CDV:2006). EN , Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 1: Basic rules (IEC :1996). EN , Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (IEC :1998). EN , Functional safety of electrical/electronic/programmable electronic safety- related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety- related systems (IEC :2000). EN , Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (IEC :1998). EN , Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations (IEC :1998). EN , Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels (IEC :1998). EN , Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC and IEC (IEC :2000). EN , Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures (IEC :2000). EN , Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity for industrial environments (IEC :2005). EN , Electromagnetic compatibility (EMC) - Part 6-4: Generic standards - Emission standard for industrial environments (IEC :2006). EN 62061, Safety of machinery - Functional safety of safety- related electrical, electronic and programmable electronic control systems (IEC 62061:2005). EN 62079, Preparation of instructions - Structuring, content and presentation (IEC 62079:2001). EN ISO , Safety of machinery - Basic concepts, general principles for design - Part 1: Basic terminology, methodology (ISO :2003). 9

10 EN ISO , Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles (ISO :2003). EN ISO , Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO :2006) EN ISO , Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO :2003). EN ISO , Safety of machinery - Risk assessment - Part 1: Principles (ISO :2007). IEC , International Electrotechnical Vocabulary - Chapter 191: Dependability and quality of service. IEV 191, International Electrotechnical Vocabulary - Chapter 191: Dependability and quality of service (Consolidated version included Amendment 1 and Amendment 2); Identical with IEC : (Consolidated with IEC /A1: and IEC /A2: ). ISO 3834, Quality requirements for fusion welding of metallic materials - Part 1: Criteria for the selection of the appropriate level of quality requirements (ISO :2005). ISO , Lifting appliances - Classification - Part 2: Mobile cranes. Council Directive 89/655/EEC Machinery Directive 2006/42 EC Minimum safety and health requirements for the use of work equipment by workers at work 95/63/EC. Pressure Equipment Directive (97/23/EC 1977) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 General terms Competent Person person with sufficient practical and theoretical knowledge and experience to carry out the person's duties, and who is aware of the limits of the person's competency, expertise and knowledge Drive System part of a load bearing machine that executes movement and holding of the load; Part of the machine that converts energy into movement Emergency Stop device that causes a controlled stop as quickly and as safely as possible and which overrides all other controls Factor of Safety (FOS) Safety Factor quotient of the minimum breaking load and the partial tensile force acting at characteristic loading 10

11 3.1.5 Fly bar system fly bar (e.g. bar hoist or truss) having several load bearing lines for lifting, lowering, and suspending loads, with the load being either uniformly distributed or concentrated (point load) NOTE A distinction is made between manually operated flying systems (e.g. manual counterweight systems) and motor-driven systems (e.g. with electric or hydraulic drive) Lifting accessories lifting accessory means a component or equipment not attached to the lifting machinery, allowing the load to be held, which is placed between the lifting machinery and the load or on the load itself, or which is intended to constitute an integral part of the load and which is independently placed on the market. Slings and their components are also regarded as lifting accessories Load bearing equipment lifting equipment, including the drive mechanism, which bears loads Load carrying device part of stage machinery which directly carries the intended load EXAMPLE Fly bar of a bar hoist, platform of an elevator, truss Locking device mechanical device being an intrinsic part of the machinery which prohibits unintentional movement EXAMPLE Brake, shut-off valve, rope lock Machinery installation all elements between the load and the point of attachment to the building or the ground Manual flying system flying system (e.g. bar hoist) operated by a manual, not machine powered drive system Manual counterweight system manually operated flying bar moved by means of an operating rope, where the load is fully or partially balanced by counterweights carried in a guided frame connected to the flying bar Point hoist lifting equipment having one load bearing line for lifting, lowering, and suspending loads Risk combination of the probability of occurrence of harm and the severity of that harm [EN ISO :2004] Stage elevator Stage lift part of a horizontal or inclined (tilted) stage, performance area, studio or auditorium floor which can be moved vertically up and/or down, including all necessary drive elements 11

12 EXAMPLE 1: Elevator which is a permanent part of the stage, performance area, studio or auditorium floor (e.g. orchestra elevator, single- or double-deck stage elevator, stage compensating elevator, scenery storage elevator or auditorium elevator). EXAMPLE 2: Elevator which is not a permanent part of the stage, performance area, studio or auditorium floor, which is used primarily for scenic purposes and which normally rests below stage (e.g. stage trap elevator). NOTE A stage elevator at rest can be part of that stage Stage elevator platform part of a stage elevator which supports the load Load bearing element element between the load and the point of attachment, within the machinery installation 12

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