EN 17206:2020+AC:2021 Table of Contents

On this page, you can read through the Table of Contents of the EN 17206:2020+AC:2021, which introduces the topics presented in the body of the document.

  • European foreword

  • Introduction

  • 1 Scope

  • 2 Normative references

3.1  General terms

3.2  Loads, forces and pressures

3.3  Electrical equipment and control systems

3.4  Tolerances relating to movement

4.1 General

4.2 List of Significant Hazards

5.1 General

5.2 Examples of machine installations showing the groups

5.3 Load assumptions for stage elevators

5.4 Load bearing equipment

5.4.1 General

5.4.2 Load bearing lines Wire ropes Chains

5.4.3 Load bearing lines terminations Wire rope terminations Detachable wire rope terminations Fixed or Non-detachable wire rope terminations Load Hooks End connections for steel chains

5.5 Winding devices and diverter pulleys

5.5.1 Winding devices for wire ropes

5.5.2 Diverter pulleys for round wire ropes

5.5.3 Drive and idler sprockets for steel chains

5.6 Drive systems

5.6.1 General

5.6.2 Screw jack systems (spindle drives)

5.6.3 Hydraulic systems

5.6.4 Auxiliary drive systems

5.6.5 Manual systems

5.7 Load carrying devices

6.1 Protective spaces for inspection and maintenance

6.2 Accessibility of maintenance

6.3 Safeguarding at crushing, shearing and trapping points, and fall protection

6.4 Elevator shaft walls, openings and landing doors

6.4.1 General

6.4.2 Interlocking of doors

6.5 Counterweights

7.1 General requirements

7.1.1 General

7.1.2 Selection of equipment

7.1.3 Physical environment and operation conditions Electromagnetic compatibility (EMC)

7.2 Incoming supply conductor terminations and devices for disconnecting and switching off

7.2.1 Electric motors and associated equipment

7.2.2 Protection against electric shock

7.2.3 Protection of equipment General Protection under fault conditions Cutting off power

7.2.4 Control circuits and control functions General Control devices Enabling devices Cable-less control devices

7.2.5 Travel of groups of machines General Travel of several groups

7.3 Safety functions and control functions in the event of failure

7.3.1 General

7.3.2 Providing redundancy

7.3.3 Hazardous operating conditions

7.3.4 Safety devices and safety functions General Limitation of travel Providing protection when characteristic loads are exceeded (Overload Protection) Providing protection in underload or slack conditions Providing protection against improper winding Providing protection when wear limits of screw jacks are reached Providing protection when speed regulators fail Providing protection against over-speed conditions Providing protection against brake failure Protection against power source failure Protection against structural overload Providing protection against drive transmission failure Providing protection against crushing and shearing Prevention of hazardous collision with other machines Protection against incorrect positions of machines Protection against moving into open pit areas Protection against creating a hazardous zone Protection against dangerous door access Protection against loss of group synchronisation

7.3.5 Means for testing safety devices and safety functions General Muting (override) of safety functions

7.4 Emergency stop functions

7.4.1 Emergency stop

7.4.2 Actuators for and design of emergency stop functions

7.5 Complementary Protective Measures

7.5.1 General

7.5.2 Limitation of number of simultaneous moving machines

7.5.3 Protection against unplanned load deviations (load profile monitoring)

7.6 Electronic and programmable electronic systems (E/PES)

7.6.1 General

7.6.2 Programmable controllers

7.6.3 Use of programmable electronic systems (E/E/PES) to implement safety functions

7.7 Use of electronic and programmable electronic systems (E/PES) without safety functions

7.8 Operator interfaces, control devices and contactors

7.8.1 General

7.8.2 Requirements for contactors

7.9 Marking, warning signs and reference designations

7.10 Testing and validation of electrical systems

7.10.1 General

7.10.2 Scope of routine testing

7.11 Validation and verification of functional safety systems

8.1 General

8.2 Technical data to be included

8.2.1 General

8.2.2 User information for safety functions

8.3 Marking

8.3.1 General

8.3.2 Entertainment load limit

8.3.3 Supplementary loading information

8.3.4 Machinery

8.3.5 Remote operation

8.4 Documentation and information

8.4.1 General

8.4.2 Operating manual General Description Instruction book reference Use Operator qualification Control Vigilance Special requirements

8.4.3 Installation Instructions General Handling Mounting details Installation Commissioning Installation load testing

8.4.4 Repair and maintenance instructions General Repairs, adjustment, lubrication and replacements Repairs, adjustments and replacement of safety related components

8.4.5 Inspection and examination

8.4.6 Dismantling instructions General Access Sequence of operations Protection

8.4.7 Appendix to instructions (for additional necessary documents) General Wiring diagrams Drawings and diagrams Optional items Test certificates

9.1 General

9.2 Test log

9.3 Testing prior to first use

9.3.1 Type, extent and performance of tests General Preliminary test Structural (construction) test

9.3.2 Acceptance test General comments Acceptance test for safety equipment Load test of lifting equipment Load test of travelling and turning equipment (particularly stage wagons and revolving stages) Testing of electrical protection measures Acceptance report and test log Verification following rectification of defects

9.4 Test after changes and modifications

9.4.1 Substantial Changes

9.4.2 Any other changes

  • Annex A (normative) Examples of hazards and risk origin

B.1 General

B.2 Upper machinery

B.3 Lower stage machinery – lifting

B.4 Lower stage machinery – horizontal movement

C.1 General

C.2 Upper machinery

C.3 Lower machinery – lifting

C.4 Lower machinery – horizontal movement

  • Annex D (normative) End user information table to be supplied by the manufacturer

E.1 General

E.2 Risk assessment as in EN 62061

E.2.1 General

E.2.2 Guidance for selecting parameters Se, Fr and Pr for the risk estimation

E.2.2.1 Severity of injury (Se)

E.2.2.2 Probability of occurrence of harm

E.2.2.3 Frequency and duration of exposure (Fr)

E.2.2.4 Probability of occurrence of a hazardous event

E.2.2.5 Probability of avoiding or limiting harm (Av)

E.2.2.6 SIL assignment

E.3 Risk assessment as in EN ISO 13849-1

E.3.1 General

E.3.2 Guidance for selecting parameters S, F and P for the risk estimation

E.3.2.1 Severity of injury S1 and S2

E.3.2.2 Frequency and/or exposure times to hazard, F1 and F2

E.3.2.3 Possibility of avoiding the hazard P1 and P2

F.1 Guidance for risk evaluation values for control system functions

F.2 Severity

F.3 Possibility of avoiding the hazardous event

F.4 Possibility frequency and duration of exposure

F.5 Probability of occurrence of a hazardous event

G.1 General

G.2 Chain hoist for a speaker cluster – Stop on “deadman release”

G.2.2 Use Case identification – Annex B

G.2.3 Hazard definition – Annex A

G.2.4 Safety function allocation – Annex C

G.2.5 Initial risk estimation – Annex F

G.2.6 Safety function estimation – Annex E

G.3 Broadcast studio lighting hoist – Protection against overload

G.3.2 Use Case identification – Annex B

G.3.3 Hazard definition – Annex A

G.3.4 Safety function allocation – Annex C

G.3.5 Initial risk estimation – Annex F

G.3.6 Safety function estimation – Annex E

G.4 Group of winches lifting a common load – protection against loss of group synchronisation

G.4.2 Use Case identification – Annex B

G.4.3 Hazard definition – Annex A

G.4.4 Safety function allocation – Annex C

G.4.5 Initial risk estimation – Annex F

G.4.6 Safety function estimation – Annex E

G.5 Chain hoist to fly a performer – protection against over-speed

G.5.2 Use Case identification – Annex B

G.5.3 Hazard definition – Annex A

G.5.4 Safety function allocation – Annex C

G.5.5 Initial risk estimation – Annex F

G.5.6 Safety function estimation – Annex E

G.6 Two winches to fly a performer – Protection against position deviation

G.6.2 Use Case identification – Annex B

G.6.3 Hazard definition – Annex A

G.6.4 Safety function allocation – Annex C

G.6.5 Initial risk estimation – Annex F

G.6.6 Safety function estimation – Annex E

G.7 Orchestra pit elevator – Protection against crushing/shearing

G.7.2 Use Case identification – Annex B

G.7.3 Hazard definition – Annex A

G.7.4 Safety function allocation – Annex C

G.7.5 Initial risk estimation – Annex F

G.7.6 Safety function estimation – Annex E

G.8 Stage elevator platform – Protection against overload

G.8.2 Use Case identification – Annex B

G.8.3 Hazard definition – Annex A

G.8.4 Safety function allocation – Annex C

G.8.5 Initial risk estimation – Annex F

G.8.6 Safety function estimation – Annex E

  • Bibliography