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BS EN 81-77:2013 Safety rules for the construction and installations of lifts. Particular applications for passenger and goods passenger lifts - Lifts subject to seismic conditions >
BS EN 81-77:2013 Safety rules for the construction and installations of lifts. Particular applications for passenger and goods passenger lifts - Lifts subject to seismic conditions, 2013
- Contents Page
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 List of significant hazards
- Table 1 — List of significant hazards
- 5 Safety requirements and/or protective measures [Go to Page]
- Table 2 — Protection of snag points [Go to Page]
- Table 3 — Safety factors for guide rails
- Table 4 — Permissible stresses σperm
- Figure 2 — Guide rail axis and forces [Go to Page]
- 6 Verification of safety requirements and / or protective measures
- Table 5 — Verification table
- 7 Information for use
- Annex A (normative) Seismic lift categories
- Table A.1 — Seismic lift category
- Annex B (informative) General information and determination of the design acceleration
- B.1 General
- B.2 Example of calculation of design acceleration
- Table B.1 — Example numerical input data:
- Annex C (informative) Primary wave detection system
- Annex D (informative) Proof of guide rails
- D.1 General
- D.2 Mass of the rated load
- D.3 Seismic forces
- D.4 Load cases
- Table D.1 — Loads and forces to be taken into consideration in the different load cases
- D.5 Impact factors
- D.6 Acceleration direction
- Table D.2 — Acceleration to be considered under seismic conditions
- D.7 Vertical distribution of masses
- Figure D.1 — Clarification of parameters
- D.8 Car guide rail bending force
- D.9 Counterweight or balancing weight guide rail bending force
- Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 95/16/EC Lift Directive
- Table ZA.1 — Correspondence between this European Standard and Directive 95/16/EC
- Bibliography [Go to Page]