BRITISH STANDARD BS EN 14992:2007
Precast concrete products — Wall elements
The European Standard EN 14992:2007 has the status of a British Standard
ICS 91.100.30
BS EN 14992:2007
This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 June 2007
© BSI 2007
National foreword
This British Standard was published by BSI. It is the UK implementation of EN 14992:2007. The UK participation in its preparation was entrusted to Technical Committee B/524, Precast concrete products. A list of organizations represented on this committee can be obtained on request to its secretary. EN 14992 is a candidate “harmonized” European standard and fully takes into account the requirements of the European Commission mandate M/100, Products related to precast concrete, given under the EU Construction Products Directive (89/106/EEC), and is intended to lead to CE marking. The date of applicability of EN 14992 as a harmonized European Standard, i.e. the date after which this standard may be used for CE marking purposes, is subject to an announcement in the Official Journal of the European Communities. The Commission in consultation with Member States has agreed a transition period for the co-existence of harmonized European Standards and their corresponding national standard(s). It is intended that this period will comprise a period, usually nine months, after the date of availability of the European Standard, during which any required changes to national regulations are to be made, followed by a further period, usually of 12 months, for the implementation of CE marking. At the end of this co-existence period, the national standard(s) will be withdrawn. EN 14992 is the subject of transitional arrangements agreed under the Commission mandate. In the UK, there are no corresponding national standards. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments issued since publication
Amd. No. Date Comments
BS EN 14992:2007+A1:2012
Amendments/corrigenda issued since publication
30 September 2012 Implementation of CEN amendment A1:2012
This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 June 2007
© The British Standards Institution 2012. Published by BSI Standards Limited 2012
National foreword
This British Standard is the UK implementation of EN 14992:2007+A1:2012. It supersedes BS EN 14992:2007, which is withdrawn.
The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by .
English Version
Produits préfabriqués en béton - Eléments de mur Betonfertigteile - Wandelemente
This European Standard was approved by CEN on 17 February 2007 and includes Amendment 1 approved by CEN on 7 April 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T É E U R O P É E N D E N O R M A LI S A T I O N EUR OP ÄIS C HES KOM ITEE FÜR NOR M UNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
Ref. No. EN 14992:2007+A1:2012: E
EN 14992:2007+A1:2012 (E)
Contents Page
The numbering of clauses is strictly related to EN 13369:2004: Common rules for precast concrete products, at least for the first three digits. When a clause of EN 13369:2004 is not relevant or included in a more general reference of this standard, its number is omitted and this may result in a gap on numbering.
Foreword ..............................................................................................................................................................3
Introduction .........................................................................................................................................................5
7 Marking ................................................................................................................................................ 14
Annex B (informative) Concreting of composite walls on site .................................................................... 18
Annex C (informative) Inspection schemes ................................................................................................... 20
Annex ZA (informative) !!!!Clauses of this European Standard addressing the provisions of the EU Construction Products Directive"""" ........................................................................................... 22
Bibliography ..................................................................................................................................................... 38
3
Foreword
This document (EN 14992:2007+A1:2012) has been prepared by Technical Committee CEN/TC 229 “Precast concrete products”, the secretariat of which is held by AFNOR and was examined by and agreed with a joint working party appointed by the Liaison Group CEN/TC 229-TC250, particularly for its compatibility with structural Eurocodes. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2012, and conflicting national standards shall be withdrawn at the latest by December 2012.
This document supersedes EN 14992:2007.
This document includes Amendment 1 approved by CEN on 2012-04-07.
The start and finish of text introduced or altered by amendment is indicated in the text by tags !".
This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Construction Products Directive(s) (89/106/EEC).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.
This document is one of a series of product standards for precast concrete products.
For common aspects reference is made to EN 13369: Common rules for precast concrete products, from which also the relevant requirements of the EN 206-1: Concrete — Part 1: Specification, performance, production and conformity are taken.
The references to EN 13369:2004 by CEN/TC 229 product standards are intended to make them homogeneous and to avoid repetitions of similar requirements.
Eurocodes are taken as a common reference for design aspects. !The installation of some structural precast concrete products is dealt with by EN 13670, Execution of concrete structures."!deleted text"
The programme of standards for structural precast concrete products comprises the following standards, in some cases consisting of several parts:
EN 1168, Precast concrete products — Hollow core slabs.
EN 12794, Precast concrete products — Foundation piles.
EN 12843, Precast concrete products — Masts and poles.
EN 13224, Precast concrete products — Ribbed floor elements.
EN 13225, Precast concrete products — Linear structural elements.
EN 13693, Precast concrete products — Special roof elements.
EN 13747, Precast concrete products — Floor plates for floor systems.
EN 13978, Precast concrete products — Precast concrete garages.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
EN 14844, Precast concrete products — Box culverts.
EN 14991, Precast concrete products — Foundation elements.
EN 14992, Precast concrete products — Wall elements.
!EN 15037", Precast concrete products - Beam-and-block floor systems.
EN 15050, Precast concrete products — Bridge elements.
!EN 15258", Precast concrete products — Retaining wall elements.
This standard defines in Annex ZA the application methods of CE marking to products designed using the relevant EN Eurocodes (EN 1992-1-1 and EN 1992-1-2). Where, in default of applicability conditions of EN Eurocodes to the works of destination, design Provisions other than EN Eurocodes are used for mechanical strength, the conditions to affix CE marking to the product are described in ZA.3.4.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
5
Introduction
The evaluation of conformity given in this standard refers to the completed precast elements which are supplied to the market and covers all the production operations carried out in the factory.
For design rules reference is made to EN 1992-1-1. Additional complementary rules are provided where necessary.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
1 Scope
This European Standard applies to prefabricated walls, made of normal weight or lightweight concrete with dense structure. !Also fibre reinforced concrete (steel, polymer or other fibres covered by European Standards) may be used." !These wall elements" may have external wall functions (see 3.11) or not, have facing functions (see 3.12) or not or have a combination of these functions.
External wall functions could be:
thermal insulation (see 3.11.1);
sound insulation (see 3.11.2);
hygrometric control (see 3.11.3);
or a combination of these.
They may be plain, reinforced or prestressed. They may be loadbearing or not.
These include:
solid walls;
composite walls;
sandwich walls;
lightened walls;
claddings.
The wall element may also work as a column or beam.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 1992-1-1:2004, Eurocode 2: Design of concrete structures — Part 1-1: General rules and rules for buildings
EN 13369:2004, Common rules for precast concrete products
EN ISO 12572, Hygrothermal performance of building materials and products — Determination of water vapour transmission properties (ISO 12572:2001)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 13369:2004 and the following apply. In general the term “product” refers to an element which is produced in large numbers. For general terms see Clause 3 of EN 13369:2004.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
3.1 wall vertical or inclined, plane or curved bidimensional unit
3.2 loadbearing wall structural wall element, which carries external loads or is important for the safety of people
EXAMPLE Façade panels and parapets excluding small cladding panels)
3.3 non loadbearing wall wall which carries only its self weight and is not necessary for the building stability or important for the safety of people
3.4 solid wall precast wall of any shape produced as one solid unit including reinforcement and fixtures
NOTE See Figure 1
3.5 composite wall composite wall consisting of two precast reinforced layers which are joined together with a gap by means of a lattice girder system.
NOTE 1 See Figure 2
NOTE 2 On site, the space between the layers is filled with concrete. Composite walls may also consist of a shell with lattice girders with the other side limited by an existing wall or another formwork during the erection
3.6 sandwich wall consists of a base panel, a thermal insulation layer, a possible air space and a facing panel.
NOTE 1 see Figure 3
NOTE 2 The layers may be connected stiffly or to allow relative in plane displacement between the layers
3.6.1 facing panel outermost layer of a sandwich wall element
3.6.2 base panel structural layer of a sandwich element!, which can be solid or lightened"
NOTE It transfers its own dead load and the load from the facing panel to the structure. It may also transfer load from other members
3.7 lightened wall wall produced in the precasting plant as a complete unit
NOTE 1 see Figure 4
NOTE 2 It may consist of two external concrete layers and internal blocks of light weight materials (for example foam polystyrene, polyurethane) or hollow-core
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3.8 cladding non loadbearing panel fixed to the structure by means of connecting systems
NOTE 1 see Figure 5
NOTE 2 An insulating system may be inserted between this panel and the loadbearing structure
3.9 small cladding cladding element without reinforcement with a maximum size of 2,25 m2, a maximum length of 1,5 m and a thickness smaller than 80 mm
3.10 plain concrete element structural concrete elements having less reinforcement than the minimum reinforcement according to the relevant design code
EXAMPLE EN 1992-1-1:2004, Clause 9.6
3.11 external wall functions 3.11.1 thermal insulation capacity to limit the transfer of thermal flow
3.11.2 sound insulation capacity to reduce the transmission of sound
3.11.3 hygrometric control capacity to avoid the forming of condensate in the wall construction and particularly in the insulating materials which are frequently hygroscopic
3.12 facing function capacity to satisfy special dimensional requirements, esthetical surface requirements, esthetical shape requirements, or a combination of these
Figure 1 — Examples of solid walls
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4 Requirements
In addition subclause 10.9.4.1 of EN 1992-1-1:2004 shall apply.
!Also fibre reinforced concrete (steel – see EN 14889-1, polymer – see EN 14889-2 or other fibres (see EN 15422) covered by European Standards) may be used, provided the fibres are not taken into account in structural calculation."
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
4.3 Finished product requirements
4.3.1 Geometrical properties
4.3.1.1 Production tolerances
In addition to subclause 4.3.1.1 of EN 13369:2004 the tolerances indicated in Tables 1 and 2 (compare Figures J.1 to J.6 of EN 13369:2004) shall apply.
If not otherwise stated class B applies to all elements.
Table 1 — Tolerance of positioning of openings and insert
Class Permitted deviation
A ± 10 mm
B ± 15 mm
For inserts designed to match with layer tolerances, different values of positioning tolerances may be given in the Technical documentation.
The tolerance of lengths, heights, thickness, diagonal dimensions are given in Table 2.
Table 2 — Tolerances of dimensions
Class
Permitted deviation
Reference dimensions
0 – 0,5 m 0,5 m – 3 m >>>> 3 m – 6 m >>>> 6 m – 10 m >>>> 10 m
A ± 3 mm a ± 5 mm a ± 6 mm ± 8 mm ± 10 mm
B ± 8 mm ± 14 mm ± 16 mm ± 18 mm ± 20 mm
a ± 2 mm in the case of small claddings.
Stricter tolerances may be required in the Technical documentation.
4.3.1.2 Minimum design (nominal) dimensions
Subclause 4.3.1.2 of EN 13369:2004 shall apply.
4.3.2 Surface characteristics
In addition to subclause 4.3.2 of EN 13369:2004 the following shall apply:
If not otherwise stated, values of Table 3 shall apply for the flatness of surfaces (compare Figures J.4 and J.5 of EN 13369:2004).
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
Class Gauges with distances between measuring points up to
0,2 m 3 m
A 2 mm 5 mm
B 4 mm 10 mm
Class A usually applies to surfaces cast against a mould and class B applies to other surfaces if not otherwise stated.
4.3.3 Mechanical resistance
4.3.3.1 Loadbearing design
In addition to subclause 4.3.3 of EN 13369:2004 Annex A may be used.
4.3.3.2 Reinforcement detailing
It is recommended that the reinforcement is distributed:
for a wall less than or equal to 120 mm thickness: in one reinforcement layer placed in the middle of the cross-section of the wall;
for a wall greater than 120 mm thickness: in two reinforcement layers distributed between the two faces of the wall.
This second requirement does not apply to plain concrete walls.
Further recommendations can be found in Annex A.
4.3.4 Resistance and reaction to fire
4.3.4.1 Resistance to fire
Fire resistance, dealing with load-bearing capacity R, integrity E and insulation I of precast wall elements, made of normal weight or lightweight concrete with dense structure, expressed in terms of classes, shall be defined following 4.3.4.1, 4.3.4.2 and 4.3.4.3 of EN 13369:2004.
4.3.4.2 Reaction to fire
For reaction to fire, 4.3.4.4 of EN 13369:2004 shall apply.
In the case of wall elements including combustible materials, e.g. thermal insulation in sandwich panels, these materials have to be sheltered from the fire exposure according to national regulations in the place of use.
The insulation material shall be declared and comply with the relevant European product Standard.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
4.3.6 Thermal properties
4.3.7 Durability
4.3.8 Other requirements
4.3.8.2 Safety in use
4.3.8.3 Water vapour permeability
When the water vapour permeability is relevant, it shall be expressed in terms of water vapour !permeance" following 5.2.
4.3.8.4 Water impermeability
When the water impermeability of the external face of the elements is relevant, it shall be expressed in terms of water absorption following 5.3.
4.3.8.5 Fixture of cladding elements
The strength of fixing devices of cladding elements shall be verified according to 4.3.3 of EN 13369:2004.
NOTE There may be existing regulations related to the installation of the product.
5 Test methods
5.2 Water vapour permeability
The water vapour permeability, expressed in terms of water vapour !permeance", shall be determined by tests according to EN ISO 12572.
5.3 Water impermeability
The water permeability of the external face of the elements shall be determined in terms of water absorption according to subclause 4.3.7.5 of EN 13369:2004.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
6.2 Type testing
6.3 Factory production control
In addition Annex C of this standard shall apply.
7 Marking
8 Technical documentation
A.1.1 Loadbearing design
A composite wall should be designed like a solid wall. Without special calculation the minimum strength of the precast element and the in-situ concrete should be taken into consideration.
The designed reinforcement may be located inside the element and/or in the in-situ concrete. The same applies to walls acting as deep beams.
For the design of the reinforcement the joints of the composite wall should be taken into consideration. This is of particular importance for the determination of the effective depth d (see Figure A.1 and A.2).
The design of laps has been specified by EN 1992-1-1:2004, 8.7.
If a lap between bars requires transverse reinforcement according to EN 1992-1-1:2004, 8.7.4.1 (3) links, u-bars and lattice girders can be used separately or in combination (Figure A.1). If lattice girders are used as transverse reinforcement, the maximum diameter of the lapped bars should be 16 mm. It is recommended to limit the maximum cross section that may be lapped to 1200 mm2/m.
A.1.2 Shear at the interface
The connection between cast in-situ concrete and compound unit in the final state should fulfil subclause 6.2.5 of EN 1992-1-1:2004.
A.1.3 Loadbearing compression joints in case of loadbearing walls
Subclause 10.9.2 of EN 1992-1-1:2004 may be used.
The required reinforcement in subclause 10.9.2 (2) of EN 1992-1-1:2004 may be met by lattice girders too.
In case of composite walls the whole cross section may be taken as loadbearing provided the joint is completely filled with in-situ concrete and has a width of at least 30 mm. If this is not provided, only the cross section of the in-situ concrete should be taken as loadbearing (see Figure A.2).
The effective depth is the distance between the centre of concrete force and the reinforcement.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
Key 1 precast element 2 in-situ concrete
Figure A.2 — Joint of a composite wall
A.2 Reinforcement detailing
A.2.1 Ribs
The ribs should be reinforced by at least two longitudinal bars (one in the concrete layer, one in the rib) tied together by transverse reinforcement (see Figure A.3).
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Key 1 rib 2 longitudinal bar 3 transverse reinforcement 4 concrete layer
Figure A.3 — Examples of reinforcement of a rib
A.2.2 Reinforcement for sandwich walls
The following specifications should apply:
a) base panel;
b) facing panel;
the layer should contain vertical and horizontal reinforcement. The reinforcement should be designed to support the actions due to the !connector system", the weight of this layer, thermal effects and long term effects in service.
The maximum distance between two bars of the reinforcement should not exceed 200 mm;
c) reinforcement !connector system";
the !connector systems" should be designed to connect the base panel with the facing panel and to transfer to the base panel the loads acting upon the facing panel.
A.2.3 Reinforcement for lightened walls
The following recommendations may apply:
a) characteristics of the ribs !deleted text":
ribs are defined according to A.2.1;
maximum space between two concrete ribs: 40 times the thickness of the facing panel in the case of transversal ribs; 50 times the thickness of the facing panel in the case of longitudinal ribs;
minimum thickness of a rib or diameter of a concrete connection: 50 mm;
concrete ribs and connections may be substituted by stainless steel elements suitably designed or other connecting systems.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
Concreting of composite walls on site
Unless special provisions are taken the precast part of the wall should not have a temperature below 5 °C during concreting. After concreting the fresh concrete should not have a temperature below 10 °C for at least 3 days or should have a minimum compressive strength of 5 MPa before the temperature of the fresh concrete falls below 0 °C.
The maximum formwork pressure may be taken from Figure B.1.
Key pc formwork pressure vc rate of concreting F1-F4 class of consistency of concrete (!Table 6", EN 206-1:2000)
Figure B.1 — Formwork pressure (developed by concrete on formwork) to be taken as a basis
The following figures give an indication about recommended concreting load Lc per metre of lattice girder:
recommended Lc = 15,6 kN/m:
recommended Lc = 18,4 kN/m:
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
Figure B.2
For a given concrete consistency F3 (!Table 6", EN 206-1:2000), the resulting maximum recommended rates for the placing of concrete may be taken as shown in Figure B.3. In this case a minimum reinforcement of 131 mm2/m transverse to the lattice girder may be recommended in each layer.
Key vc rate of concreting e distance between lattice girders lc permissible concreting load Lc per metre of lattice girder
Figure B.3 — Recommended maximum rates of concreting for a given concrete consistency F3
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
This annex applies to wall elements with façade functions.
Annex D of EN 13369:2004 applies with the following additional remarks:
C.1 Concerning D.3.2 Process inspections — other process subjects
line 7, 11 and 12;
the frequency of the visual inspection should be: before each casting;
line 11
and
the purpose should be: conformity with production drawings and security check.
C.2 Concerning D.4 of EN 13369:2004 Finished product inspection
Table C.1 — Finished product inspection
Subject Method Purpose Frequency
Dimensions See 5.2 of EN 13369:2004
Conformity with drawings and specified tolerances
1 every 10 elements and at least 1 element for each
casting line
Conformity with drawings and specified tolerances
1 every 10 elements and at least 1 element for each
casting line
check according to Annex J4 of
EN 13369:2004
EN 14992:2007+A1:2012 (E)
!!!!Clauses of this European Standard addressing the provisions of the
EU Construction Products Directive
ZA.1 Scope and relevant characteristics
This European Standard has been prepared under the mandate M/100 "Precast Concrete Products" 1) given to CEN by the European Commission and the European Free Trade Association.
The clauses of this European Standard shown in this annex meet the requirements of the mandate given under the EU Construction Products Directive (89/106/EEC).
Compliance with these clauses confers a presumption of fitness of the precast concrete wall elements with or without façade functions covered by this annex for the intended uses indicated herein; reference shall be made to the information accompanying the CE marking.
WARNING — Other requirements and other EU Directives, not affecting the fitness for intended uses, may be applicable to the wall elements falling within the scope of this standard.
NOTE 1 In addition to any specific clauses relating to dangerous substances contained in this standard, there may be requirements applicable to the products falling within its scope (e.g. transposed European legislation and national laws, regulations and administrative provisions). In order to meet the provisions of the EU Construction Products Directive, these requirements need also to be complied with, when and where they apply.
NOTE 2 An informative database of European and national provisions on dangerous substances is available at the Construction web site on EUROPA (accessed through http://ec.europa.eu/enterprise/construction/cpd-ds/).
This annex has the same scope as Clause 1 of this standard. It establishes the conditions for the CE marking of the loadbearing and non loadbearing wall elements with and without façade functions and shows the relevant clauses applicable (see Tables ZA.1a and ZA.1b).
1) As amended
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Table ZA.1a — Relevant clauses for loadbearing and non loadbearing wall elements without façade functions
Essential Characteristics Requirement clauses in this standard Levels and/or
classes Notes and units
Compressive strength (of concrete) All methods 4.2 Production requirements None N/mm2
Ultimate tensile and tensile yield strength (of steel) All methods
Reinforcing steel and
None N/mm2
Mechanical resistance Method 1 Information listed in ZA.3.2 None Geometry and
materials
None kNm, kN, kN/m
None design specification
Resistance to fire (where relevant) Method 1 Information listed in ZA.3.2 Ra / E / I Geometry and
materials
Method 2 4.3.4.1 Resistance to fire Ra / E / I Min
Method 3 4.3.4.1 Resistance to fire Ra / E / I design specification
Reaction to fire (where relevant) All methods 4.3.4.2 Reaction to fire Euroclasses
Acoustical insulation (where relevant) All methods 4.3.5 Acoustic properties None dB
Thermal resistance (where relevant) All methods 4.3.6 Thermal properties None
Detailing
Durability All methods 4.3.7 Durability None Ambient conditions
Strength of fixtureb All methods 4.3.8.5 Fixture of cladding elements None a Applies only to loadbearing elements b Applies only to claddings
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Table ZA.1b — Relevant clauses for loadbearing and non loadbearing wall elements with façade functions
Essential Characteristics Requirement clauses in this standard Levels and/or
classes Notes and units
Compressive strength (of concrete) All methods 4.2 Production requirements None N/mm2
Ultimate tensile and tensile yield strength (of steel)
All methods Reinforcing steel and Prestressing steel of EN 13369:2004
None N/mm2
Mechanical resistance Method 1 Information listed in ZA.3.2 None Geometry and
materials
None
None design specification
Resistance to fire (where relevant) Method 1 Information listed in ZA.3.2 Ra / E / I Geometry and
materials
Method 2 4.3.4.1 Resistance and reaction to fire Ra / E / I min
Method 3 4.3.4.1 Resistance and reaction to fire Ra / E / I design specification
Reaction to fire (where relevant) All methods 4.3.4.2 Reaction to fire Euroclasses
Acoustical insulation (where relevant) All methods 4.3.5 Acoustic properties None dB
Thermal resistance (where relevant) All methods 4.3.6 Thermal properties None
Detailing
None None None None
Water vapour permeability (where relevant)
All methods 4.3.8.3 Water vapour permeability None kg/(m2·s·Pa)
Water permeability (where relevant) All methods 4.3.8.4 Water permeability None %
Strength of fixtureb All methods 4.3.8.5 Fixture of cladding elements None a Applies only to loadbearing elements b Applies only to claddings
The manufacturer or his authorized representative in the EEA shall select for CE marking the declaration method(s) he applies among the followings:
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Method 1 = declaration of geometrical data and material properties (see ZA.3.2);
Method 2 = declaration of geometry, material properties and product properties determined following this standard and EN Eurocodes (see ZA.3.3);
Method 3 = declaration of product compliance with a given design specification distinguishing:
Method 3a = declaration of product compliance with a given design specification provided by the client (ZA.3.4);
Method 3b = declaration of product compliance with a given design specification provided by the manufacturer according to the client's order (ZA.3.5).
The requirement on a certain characteristic is not applicable in those Member States (MSs) where there are no regulatory requirements for that characteristic for the intended use of the product. In this case, manufacturers placing their products on the market of these MSs are not obliged to determine nor to declare the performance of their products with regard to this characteristic and the option “No performance determined” (NPD) in the information accompanying the CE marking (see ZA.3) may be used. The NPD option may not be used, however, where the characteristic is subject to a threshold level.
ZA.2 Procedure(s) for the attestation of conformity of precast wall elements with and without façade functions
ZA.2.1 Systems of attestation of conformity
The systems of attestation of conformity of precast concrete wall elements with and without façade functions for the essential characteristics indicated in Tables ZA.1a and ZA.1b, in accordance with the Decision of the Commission 1999/94/EEC of 25 January 1999 (published the 03.02.1999 in the OJEU) as given in Annex III of the Mandate M/100 "Precast concrete products", is shown in Table ZA.2 for the indicated intended uses and relevant levels or classes:
Table ZA.2 — Systems of attestation of conformity
Product(s)] Intended use(s) Level(s) or class(es)
Attestation of conformity system(s)
Non loadbearing wall elements Non structural or lightly structural − 4
System 2+: See Directive 89/106/EEC (CPD) Annex III.2.(ii), First possibility, including certification of the factory production control by an approved body on the basis of initial inspection of factory and of factory production control as well as of continuous surveillance, assessment and approval of factory production control.
System 4: See Directive 89/106/EEC (CPD) Annex III.2.(ii), Third possibility.
Except small claddings, as defined in 3.9, that are under system 4, all wall elements, as defined in 3.2, are under system 2+ .
The attestation of conformity of the load bearing and non load bearing wall elements with and without façade functions, for the essential characteristics indicated in Tables ZA.1a and ZA.1b, shall be based on the evaluation of conformity procedures indicated in Tables ZA.3a and ZA.3b resulting from application of the clauses of this or other European Standards indicated therein.
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Table ZA.3a — Assignment of evaluation of conformity tasks for loadbearing wall elements with and without façade functions under system 2++++
Tasks Content of the tasks Evaluation of conformity clauses to apply
Tasks under the responsibility of the manufacturer
Initial type testing a All characteristics of Table ZA.1a or of Table ZA.1b 6.2
Factory production control Parameters related to all characteristics of Table ZA.1a or of Table ZA.1b
6.3
Further testing of samples taken at the factory
All characteristics of Table ZA.1a or of Table ZA.1b 6.2.3 of EN 13369:2004
Tasks under the responsibility of the notified body
Certification of factory production control on the basis of:
Initial inspection of factory and of factory production control b
Compressive strength (of concrete);
Ultimate tensile and tensile yield strength of steel (producer’s certificate or tests);
Mechanical resistance c Resistance to fire Reaction to fire where
relevant Acoustical insulation Thermal resistance Detailing; Durability; Water permeability Water vapour
permeability.
6.3
Compressive strength (of concrete);
Ultimate tensile and tensile yield strength of steel (producer’s certificate or tests);
Mechanical resistance c Resistance to fire Reaction to fire where
relevant Acoustical insulation Thermal resistance Detailing; Durability; Water permeability Water vapour
permeability.
6.3
a Initial Type testing (ITT) includes calculation and/or testing. ITT by calculation is not required when only methods 1 and 3a are used.
b Includes assessment that the factory production control system contains documented procedures related to ITT (calculation and/or testing) and that these procedures are followed. Reference to ITT of mechanical resistance and resistance to fire (when assessed by calculation) can be omitted when only methods 1 and 3a are used.
c Only for methods 2 and 3b.
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Table ZA.3b — Assignment of evaluation of conformity tasks for non loadbearing wall elements with and without façade functions under system 4
Tasks Content of the task Evaluation of conformity clauses to apply
Tasks for the manufacturer Factory production control
Parameters related to all characteristics of Table ZA.1a or of Table ZA.1b
6.3
Initial type testing a All characteristics of Table ZA.1a or of Table ZA.1b 6.2
a Initial Type testing (ITT) includes calculation and/or testing. ITT by calculation is not required when only methods 1 and 3a are used.
ZA.2.2 EC Certificate and Declaration of conformity
ZA.2.2.1 Wall elements with and without façade functions, except small claddings
When compliance with the conditions of this annex is achieved, and once the notified body has drawn up the certificate mentioned below, the manufacturer or his agent established in the EEA shall prepare and retain a declaration of conformity, which entitles the manufacturer to affix the CE marking. This declaration shall include:
name and address of the manufacturer, or his authorised representative established in the EEA, and the place of production;
NOTE 1 The manufacturer may also be the person responsible for placing the product onto the EEA market, if he takes responsibility for CE marking.
description of the product (type, identification, use, etc.), and a copy of the information accompanying the CE marking;
NOTE 2 Where some of the information required for the Declaration is already given in the CE marking information, it does not need to be repeated.
provisions to which the product conforms (e.g. Annex ZA of this EN);
particular conditions applicable to the use of the product (e.g. provisions for use under certain conditions, etc);
the number of the accompanying factory production control certificate;
name of, and position held by, the person empowered to sign the declaration on behalf of the manufacturer or his authorised representative.
The declaration shall be accompanied by a factory production control certificate, drawn up by the notified body, which shall contain, in addition to the information above, the following:
name and address of the notified body;
name and address of the manufacturer;
the number of the factory production control certificate;
conditions and period of validity of the certificate, where applicable;
name of, and position held by, the person empowered to sign the certificate;
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
identification of the products covered by the Factory Production Control Certificate and for each product, identification of:
the method(s) of CE marking applied by the manufacturer;
whether the product is reinforced or prestressed;
other distinguished product families as identified by the manufacturer himself and affect the content and/or procedures of the factory production control including the procedure of type testing.
The above mentioned declaration and certificate shall be presented in the official language or languages of the Member State in which the product is to be used.
ZA.2.2.2 Small claddings with and without façade functions
When compliance with the conditions of this annex is achieved, the manufacturer or his agent established in the EEA shall prepare and retain a declaration of conformity, which entitles the manufacturer to affix the CE marking. This declaration shall include:
name and address of the manufacturer, or his authorised representative established in the EEA, and place of production;
NOTE 1 The manufacturer may also be the person responsible for placing the product onto the EEA market, if he takes responsibility for CE marking.
description of the product (type, identification, use,...), and a copy of the information accompanying the CE marking;
NOTE 2 Where some of the information required for the Declaration is already given in the CE marking information, it does not need to be repeated.
provisions to which the product conforms (e.g. Annex ZA of this EN);
particular conditions applicable to the use of the product (e.g. provisions for use under certain conditions, etc.);
name of, and position held by, the person empowered to sign the declaration on behalf of the manufacturer or of his authorised representative.
The above mentioned declaration shall be presented in the official language or languages of the Member State in which the product is to be used.
ZA.3 CE marking and labelling
ZA.3.1 General
ZA.3.1.1 Affixing of CE marking
The manufacturer or his authorised representative established within the EEA is responsible for the affixing of the CE marking. The CE marking symbol to affix shall be in accordance with Directive 93/68/EEC and shall be shown on the product (or when not possible it may be on the accompanying label, the packaging or the accompanying commercial documents e.g. a delivery note).
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
The following information shall accompany the CE marking symbol:
identification number of the certification body (only for products under systems 2+);
name or identifying mark and registered address of the manufacturer;
the last two digits of the year in which the marking is affixed;
number of factory production control certificate (only for products under systems 2+);
reference to this European Standard with the version date;
description of the product: generic name and intended use;
information on those relevant essential characteristics taken from Tables ZA.1a or ZA.1b which are listed in the relevant clause ZA.3.2, ZA.3.3, ZA.3.4 or ZA.3.5;
“No performance determined” for characteristics where this is relevant.
The "No performance determined" (NPD) option may not be used where the characteristic is subject to a threshold level. Otherwise, the NPD option may be used when and where the characteristic, for a given intended use, is not subject to regulatory requirements in the Member State of destination.
In the following subclauses the conditions are given for the application of CE marking. Figure ZA.1 gives the simplified label to affix to the product, containing the minimum set of information and the link to the accompanying document where the other required information is given. For what concerns the information on essential characteristics, some of them may be given by an unambiguous reference to:
technical information (product catalogue) (see ZA.3.2);
technical documentation (ZA.3.3);
design specification (ZA.3.4 and ZA.3.5).
The minimum set of information to be put directly in the affixed label or in the accompanying document is given in Figures ZA.1, ZA.2, ZA.3, ZA.4 and ZA.5.
ZA.3.1.2 Simplified label
In the case of simplified label the following information shall be added to the CE marking symbol:
name or identifying mark and registered address of the manufacturer;
identification number of the unit (to ensure traceability);
the last two digits of the year in which the marking is affixed;
number of factory production control certificate (if relevant);
reference to this European Standard with the version date.
All other information defined by the relevant method of CE marking in one of the relevant clauses ZA.3.2, ZA.3.3, ZA.3.4 and ZA.3.5 shall be provided in the accompanying documents.
The same identification number shall mark, in the accompanying documents, the information related to the unit.
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30
Figure ZA.1 gives an example for the simplified label for CE marking.
CE conformity marking consisting of the CE symbol given in Directive 93/68/EEC
Any Co Ltd, PO Box 21, B-1050
45PJ76
12
0123-CPD-0456
Name or identifying mark and registered address of the manufacturer
Identification number of the unit
Last two digits of the year in which the marking was affixed
Number of the FPC certificate (if relevant)
EN 14992:2007+A1:2012 Number of dated European Standard
Figure ZA.1 — Example of simplified label
For small elements of for product stamping reasons, the size can be reduced by removing reference to EN and/or to FPC certificate.
ZA.3.2 Declaration of geometrical data and material properties (method 1)
Referring to Tables ZA.1a or ZA.1b and to the information quoted in the list of ZA.3.1, the following properties shall be declared:
compressive strength of concrete;
tensile 0,1 % proof stress of prestressing steel;
geometrical data (critical dimensions and tolerance classes);
conditions for durability;
detailing.
This information may be given by reference to the manufacturer’s Technical Information (product catalogue) for detailing, durability and geometrical data.
Figure ZA.2 gives, for a type of wall element, an example of CE marking inclusive of the information needed to determine, according to design regulation valid in the place of use, the properties related to mechanical resistance and stability and resistance to fire, including aspects of durability and serviceability.
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EN 14992:2007+A1:2012 (E)
0123
CE conformity marking consisting of the CE symbol given in Directive 93/68/EEC
Identification of the notified body (if relevant)
Any Co Ltd, PO Box 21, B-1050
12
0123-CPD-0456
Name or identifying mark and registered address of the manufacturer
Last two digits of the year in which the marking was affixed
Number of the FPC certificate (if relevant)
EN 14992:2007+A1:2012 Wall elements
LOAD BEARING WALL ELEMENT WITH / WITHOUT FAÇADE FUNCTIONS
Concrete : Compressive strength ........................ fck = 45 N/mm2
Reinforcing steel : Ultimate tensile strength .................. ftk = yyy N/mm2
Tensile yield strength .................... fyk = zzz N/mm2
Prestressing steel : Ultimate tensile strength .................. fpk = 2060 N/mm2
Tensile 0,1% proof-stress ................ fp0,1k = 1840 N/mm2
length L = XXX m
tolerance class A
Technical Information: Product Catalogue ABC: 2002- clause ii
Number and title of dated European Standard concerned
Generic name and intended use
Information on product geometry and material characteristics including detailing
(to be adapted to the specific product by the manufacturer)
NOTE 1 Numerical values are only as example.
NOTE 2 The sketch may be omitted if equivalent information are available in clearly
identified Technical Information (product catalogue) referred to.
Figure ZA.2 — Example of CE marking with Method 1
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
ZA.3.3 Declaration of product properties determined by calculation (method 2)
For all design data, including models and parameters used in calculation, reference may be made to the technical (design) documentation.
Referring to Tables ZA.1a or ZA.1b and to the information quoted in the list of ZA.3.1, the following properties shall be declared:
compressive strength of concrete;
tensile 0,1 % proof stress of prestressing steel;
mechanical ultimate strength of the element (design values for non-seismic situations) with axial compression capacity for some eccentricities or with bending moment capacity and shear capacity of critical sections;
safety factors for concrete and steel used in calculation;
resistance to fire R class;
reaction to fire (where relevant);
other Nationally Determined Parameters NDPs used in calculation;
acoustic insulation parameters (airborne sound insulation and impact noise transmission);
thermal insulation;
water permeability (where relevant);
detailing.
This information may be given by reference to the manufacturer’s Technical Documentation for geometrical data, detailing, durability, drying shrinkage and other NDPs.
Figure ZA.3 gives, for a type of wall element, an example of CE marking in the case in which the properties related to mechanical resistance and stability and resistance to fire including aspects of durability and serviceability are determined by means of EN Eurocodes.
The design values of the mechanical ultimate strength of the element and the resistance to fire class shall be computed using, for the Nationally Determined Parameters, either the values recommended in EN 1992-1-1 and EN 1992-1-2 or the values given in the National Annex of the Eurocodes applicable to the works.
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0123
CE conformity marking consisting of the CE symbol given in Directive 93/68/EEC
Identification of the notified bodya
Any Co Ltd, PO Box 21, B-1050
12
0123-CPD-0456
Name or identifying mark and registered address of the manufacturer
Last two digits of the year in which the marking was affixed
Number of the FPC certificatea
EN 14992:2007+A:2012
Concrete : Compressive strength ........................ fck =xx N/mm2 Reinforcing steel : Ultimate tensile strength ..................... ftk = yyy N/mm2 Tensile yield strength .......................... fyk = zzz N/mm2
Prestressing steel : Ultimate tensile strength ...................fpk = uuu N/mm2
Tensile 0,1% proof-stress ................ fp0;1k = www N/mm2
Mechanical resistance (design values): Axial compression capacity ..................................... nnn kN Bending moment capacity (of the middle section) ...................................... mmm kNm Shear capacity (of the end sections) .......................vvv kN
Material safety factors applied in strength calculation: For concrete .......................................................... γc = z.zz For steel ................................................................ γs = x.xx Resistance to fire R ................................ RXX for ηfi = 0.xx
.................................... RYY for ηfi = 0.yy
Thermal resistance Rc = xxx m2K/W
Technical Documentation: Position Number ....................................................... xxxxxx
Number and title of dated European Standard
concerned
Information on product mandated characteristics including detailing
(to be adapted to the specific product by the manufacturer)
a Information not present for products under system 4.
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
Figure ZA.3 — Example of CE marking with Method 2
ZA.3.4 Declaration of compliance with a given design specification provided by the client (method 3a) Referring to Tables ZA.1a or ZA.1b and to the information quoted in the list of ZA.3.1, the following properties shall be declared:
compressive strength of concrete;
tensile 0,1 % proof stress of prestressing steel;
reference to the design documents provided by the client.
This method applies also in case of a design made with means other than EN Eurocodes.
Figure ZA.4 gives, for a type of wall element, an example of CE marking in the case the product is produced according to a design specification in which the properties related to mechanical resistance and stability and resistance to fire are determined by means of design provisions applicable to the works.
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EN 14992:2007+A1:2012 (E)
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0123
CE conformity marking consisting of the CE symbol given in Directive 93/68/EEC
Identification of the notified bodya
Any Co Ltd, PO Box 21, B-1050
12
0123-CPD-0456
Name or identifying mark and registered address of the manufacturer
Last two digits of the year in which the marking was affixed
Number of the FPC certificatea
EN 14992:2007+A1:2012
Concrete : Compressive strength ........................ fck = xx N/mm2
Reinforcing steel : Ultimate tensile strength ..................... ftk = yyy N/mm2 Tensile yield strength ......................... fyk = zzz N/mm2
Prestressing steel : Ultimate tensile strength ...................fpk = uuu N/mm2
Tensile 0,1% proof-stress ................ fp0,1k = www N/mm2
For geometrical data, tolerance class, detailing, mechanical strength, fire resistance, acoustic insulation parameters, thermal insulation parameters and durability see the design specifications
Design Specification: Order Code xxxxxx
Number and title of dated European Standard concerned
Generic name and intended use
Information on product mandated characteristics including detailing
(to be adapted to the specific product by the manufacturer)
a Information not present for products under system 4.
Figure ZA.4 — Example of CE marking with Method 3a
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EN 14992:2007+A1:2012 (E)
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ZA.3.5 Declaration of compliance with a given design specification provided by the manufacturer according to the client's order (method 3b)
Referring to Tables ZA.1a or ZA.1b and to the information quoted in the list of ZA.3.1, the following properties shall be declared:
compressive strength of concrete;
tensile 0,1 % proof stress of prestressing steel;
reference to the design specifications according to the client's order and dealing with geometrical data, detailing, mechanical strength, resistance to fire, acoustic and thermal insulation and durability.
This method applies also in case of a design made with means other than EN Eurocodes.
Figure ZA.5 gives, for a type of wall element, an example of CE marking in the case the product is produced according to a design specification applied by the manufacturer according to the purchaser’s order.
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EN 14992:2007+A1:2012 (E)
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0123
CE conformity marking consisting of the CE symbol given in Directive 93/68/EEC
Identification of the notified bodya
AnyCo Ltd, PO Bx 21, B-1050
12 0123-CPD-0456
Name or identifying mark and registered address of the manufacturer
Last two digits of the year in which the marking was affixed
Number of the FPC certificatea
EN 14992:2007+A1:2012
Concrete : Compressive strength ........................ fck = xx N/mm2
Reinforcing steel : Ultimate tensile strength ..................... ftk = yyy N/mm2 Tensile yield strength ......................... fyk = zzz N/mm2
Prestressing steel : Ultimate tensile strength ...................fpk = uuu N/mm2
Tensile 0.1% proof-stress ................ fp0,1k = www N/mm2
For geometrical data, tolerance class, detailing, mechanical strength, fire resistance, acoustic insulation parameters, thermal insulation parameters and durability see the design specifications
Design Specification: (client’s order)
Number and title of dated European Standard concerned
Generic name and intended use
Information on product mandated characteristics
including detailing (to be adapted to the specific product by the
manufacturer)
a Information not present for products under system 4.
Figure ZA.5 — Example of CE marking with Method 3b
In addition to any specific information relating to dangerous substances shown above, the product should also be accompanied, when and where required and in the appropriate form, by documentation listing any other legislation on dangerous substances for which compliance is claimed, together with any information required by that legislation.
NOTE 1 European legislation without national derogations need not be mentioned.
NOTE 2 Affixing the CE marking symbol means, if a product is subject to more than one directive, that it complies with all applicable directives."
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
EN 14992:2007+A1:2012 (E)
[1] EN 206-1:2000, Concrete — Part 1: Specification, performance, production and conformity
!
[3] EN 14889-1:2006, Fibres for concrete — Part 1: Steel fibres — Definitions, specification and conformity
[4] EN 14889-2:2006, Fibres for concrete — Part 2: Polymer fibres — Definitions, specifications and conformity
[5] EN 15422:2008, Precast concrete products — Specification of glassfibres for reinforcement of mortars and concretes
[6] EN 206-1:2000, Concrete — Part 1: Specification, performance, production and conformity"
BS EN 14992:2007+A1:2012 EN 14992:2007+A1:2012(E)
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