NS EN 81-2 : 1998 + A3 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SAFETY RULES FOR THE CONSTRUCTION AND INSTALLATION OF LIFTS - PART 2: HYDRAULIC LIFTS
11-01-2014
01-12-2013
Foreword
0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Units and symbols
5 Lift well
6 Machine and pulley rooms
7 Landing doors
8 Car and balancing weight
9 Suspension, precautions against free fall, descent
with excessive speed and creeping of the car
10 Guide rails, buffers and final limit switch
11 Clearances between car and wall facing the
car entrance, and between car, balancing weight or
balancing weight
12 Lift machine
13 Electric installations and appliances
14 Protection against electric faults; controls; priorities
15 Notices, markings and operating instructions
16 Examinations, tests, register, maintenance
Annex A (normative) List of the electric safety devices
Annex B (normative) Unlocking triangle
Annex C (informative) Technical dossier
C.1 Introduction
C.2 General
C.3 Technical details and plans
C.4 Electric schematic diagrams and hydraulic circuit
diagram
C.5 Verification of conformity
Annex D (normative) Examinations and tests before putting
into service
Dl1 Examinations
D.2 Tests and verifications
Annex E (informative) Periodical examinations and tests,
examinations and tests after an important modification
or after an accident
E.1 Periodical examinations and tests
E.2 Examinations and tests after an important modification
or after an accident
Annex F (Normative) Safety components: test procedures for
verification of conformity
F.0 Introduction
F.1 Landing door locking devices
F.2 (Kept free)
F.3 Safety gear
F.4 Overspeed governors
F.5 Buffers
F.6 Safety circuits containing electronic components
F.7 Rupture valve/one-way restrictor
Annex G (informative) Proof of guide rails
G.1 General
G.2 Loads and forces
G.3 Load cases
G.4 Impact factors
G.5 Calculations
G.6 Permissible deflections
G.7 Examples of calculation method
Annex H (normative) Electronic components: failure exclusion
Annex J (normative) Pendulum shock tests
J.1 General
J.2 Test rig
J.3 Panels
J.4 Test procedure
J.5 Interpretation of the results
J.6 Test report
J.7 Exceptions from the tests
Annex K (normative) Calculations of rams, cylinders, rigid
pipes and fitting
K.1 Calculation against over pressures
K.2 Calculations of the jacks against buckling
Annex ZA (informative) Clauses of this standard addressing
essential requirements or other provisions of EU Directives
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