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NBN EN 12951 : 2005
Current
The latest, up-to-date edition.
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PREFABRICATED ACCESSORIES FOR ROOFING - PERMANENTLY FIXED ROOF LADDERS - PRODUCT SPECIFICATION AND TEST METHODS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
4 Materials
5 Dimensions and design requirements
5.1 General
5.2 Dimensions
5.3 Design
5.3.1 General design requirements
5.3.2 Additional design requirements for roof
ladders type TA
6 Performance requirements
6.1 Static strength
6.2 Resistance to torsion
6.3 Dynamic strength
6.4 Fire performance
7 Testing
7.1 Static strength test
7.1.1 Number of samples
7.1.2 Test of steps and rungs
7.1.3 Stile test
7.1.4 Test of the support and fastening system
7.2 Torsion test of steps and rungs
7.3 Dynamic strength test
8 Evaluation of conformity
8.1 General
8.2 Type testing
8.2.1 Initial type testing
8.2.2 Further type testing
8.3 Factory production control (FPC)
8.3.1 General
8.3.2 Equipment
8.3.3 Raw materials and components
8.3.4 Non-conforming products
8.3.5 Design process
8.3.6 Product testing and evaluation
9 Instructions for installation and maintenance
10 Designation
11 Marking
12 Figures
Annex ZA (informative) Clauses of this European Standard
addressing the provisions of the EU Construction
Products Directive
ZA.1 Scope and relevant characteristics
ZA.2 Procedure for attestation of conformity of
permanently fixed roof ladders
ZA.2.1 System of attestation of conformity
ZA.2.2 EC Declaration of conformity
ZA.3 CE Marking and labelling
Bibliography
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