99/702255 DC : DRAFT JAN 1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PREN 81-5 - SAFETY RULES FOR THE CONSTRUCTION AND INSTALLATION OF LIFTS AND SERVICE LIFTS - PART 5: SCREW LIFTS
23-07-2013
23-11-2012
Foreword
1 Scope and field of application
2 Normative references
3 Definitions
4 Units and symbols
5 Lift well
5.1 General provisions
5.2 Well enclosure
5.3 Walls, floor and ceiling of the well
5.4 Construction of the walls of lift wells and landing doors
facing a car entrance
5.5 Protection of any spaces located below the car or the
balance weight
5.6 Protection in the well
5.7 Headroom and pit
5.8 Exclusive use of the lift well
5.9 Lighting of the well
5.10 Emergency release
6 Machinery space and pulley rooms
6.1 General provisions
6.2 Access
6.3 The machinery space
6.4 Construction and equipment of pulley rooms
7 Landing doors
8 Car and balance weight
8.12 Trap doors, emergency doors, access doors and access
panels
9 Suspension, precaution against free fall, descent of the car
with excessive speed
9.1 Types of suspension, number of ropes or chains
9.2 Sheave, pulley and rope diameter ratios - Rope terminations
9.3 Distribution of load between the ropes or the chains
9.4 Protection for pulleys and sprockets
9.5 Precautions against free fall of the car, descent with
excessive speed
9.6 Precautions against free fall of the balance weight
9.7 (Kept free)
9.8 Safety gear
9.9 Stopping device
9.10 Tripping means for safety gears and stopping devices
9.11 Safety nut
9.12 Overspeed limiting device
9.13 Self sustaining characteristics
10 Guide rails, buffers and final limit switch
10.1 General provisions concerning guide rails
10.2 Guiding of the car and balance weight
10.3 Car buffer(s)
10.4 Stroke of car buffer(s)
10.5 Final limit switches
11 Clearances between car and wall facing the car entrance, and
between car and balance weight
12 Lift machine
12.1 General provision
12.2 Drive of the car and the balance weight
12.3 Use of overhung pulleys or sprockets
12.4 Braking systems
12.5 Emergency operation
12.6 Speed
12.7 Stopping the machine and checking its stopped condition
12.8 Monitoring the slowdown of the machine when reduced stroke
buffers are used in accordance with 10.4.3.2
12.9 Safety devices against slack rope or slack chain for
indirectly acting lifts
12.10 Motor run time limiter
12.11 Protection of machinery
13 Electrical installations and appliances
13.1 General provisions
13.2 Contactors, relay-contactors, components of safety circuits
13.3 Protection of motors and other electrical equipment
13.4 Main switches
13.5 Electric wiring
13.6 Lighting and socket outlets
14 Protection against electrical faults; controls; priorities
14.1 Failure analysis and electrical safety devices
14.2 Controls
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
Annex D (normative) - Examinations and test before putting into
service
Annex E (informative) - Periodical examinations and tests,
examinations and tests after an important modification
or after an accident
Annex F (normative) - Safety components - Test procedures for
verification of conformity
Annex G (informative) - Proof of guide rails
Annex H (normative) - Electronic components - Failure exclusion
Annex J (normative) - Pendulum shock test
Annex K (normative) - Calculation of rams, cylinders, rigid
pipes and fittings
Annex L (normative) - Necessary buffer stroke
Annex M (informative) - Traction evaluation (for overspeed
governor)
Annex ZA (informative) - Relationship of this European Standard
with EU Directives
Committee |
MHE/4
|
DevelopmentNote |
To be read in conjunction with EN 81-1 & EN 81-2 (02/2006)
|
DocumentType |
Draft
|
PublisherName |
British Standards Institution
|
Status |
Withdrawn
|
Standards | Relationship |
PREN 81-5 : DRAFT 1998 | Identical |
EN 81-1:1998+A3:2009 | Safety rules for the construction and installation of lifts - Part 1: Electric lifts |
1995/16/EC : 1995 | DIRECTIVE 95/16/EC OF 29 JUNE 1995 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO LIFTS |
EN 81-2 : 1998 + A3 2009 | SAFETY RULES FOR THE CONSTRUCTION AND INSTALLATION OF LIFTS - PART 2: HYDRAULIC LIFTS |
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