NEN EN 14843 : 2007

Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 General
4 Requirements
  4.1 Material requirements
  4.2 Production requirements
  4.3 Finished product requirements
      4.3.1 Geometrical properties
      4.3.2 Surface characteristics
      4.3.3 Mechanical resistance
      4.3.4 Resistance and reaction to fire
      4.3.5 Acoustic properties
      4.3.6 Thermal properties
      4.3.7 Durability
      4.3.8 Other requirements
      4.3.9 Detailing
5 Test methods
  5.1 Tests on concrete
  5.2 Measuring of dimensions and surface characteristics
  5.3 Weight of the product
6 Evaluation of conformity
7 Marking
8 Technical documentation
Annex A (informative) Stairs - Terms and definitions
Annex B (informative) Test Method
      B.1 Objectives
      B.2 Specification and selection of specimens
          B.2.1 Identification of product group
          B.2.2 Design of test specimens
Annex Y (Informative) Choice of CE marking method
      Y.1 Method 1
      Y.2 Method 2
      Y.3 Method 3
Annex ZA (informative) Clauses of this European Standard
         addressing the provisions of the EU Constructions
         Product Directive
      ZA.1 Scope and relevant characteristics
      ZA.2 Procedure for attestation of conformity of stairs
           ZA.2.1 System of attestation of conformity
           ZA.2.2 EC Certificate and Declaration of conformity
      ZA.3 CE marking and labeling
           ZA.3.1 General
           ZA.3.2 Declaration of geometrical data and material
                  Properties
           ZA.3.3 Declaration of product properties
           ZA.3.4 Declaration of compliance with a given design
                  specification
Bibliography

Provides specifications for materials, production, properties, requirements and methods of testing for precast concrete monolithic stairs, and for precast concrete elements (e.g. individual steps) used to make reinforced and/or prestressed concrete stairs.