SIST EN 771-1:2011/kFprA1:2014
(Amendment)Specification for masonry units - Part 1: Clay masonry units
Specification for masonry units - Part 1: Clay masonry units
This European standard specifies a method for determining the compressive strength of masonry units.
Festlegungen für Mauersteine - Teil 1: Mauerziegel
Spécifications pour éléments de maçonnerie - Partie 1: Briques de terre cuite
Specifikacija za zidake - 1. del: Opečni zidaki
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 771-1:2011/kFprA1:2014
01-oktober-2014
6SHFLILNDFLMD]D]LGDNHGHO 2SHþQL]LGDNL
Specification for masonry units - Part 1: Clay masonry units
Festlegungen für Mauersteine - Teil 1: Mauerziegel
Spécifications pour éléments de maçonnerie - Partie 1: Briques de terre cuite
Ta slovenski standard je istoveten z: EN 771-1:2011/FprA1
ICS:
91.100.25 .HUDPLþQLJUDGEHQLL]GHONL Ceramic building products
SIST EN 771-1:2011/kFprA1:2014 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 771-1:2011/kFprA1:2014
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SIST EN 771-1:2011/kFprA1:2014
EUROPEAN STANDARD
FINAL DRAFT
EN 771-1:2011
NORME EUROPÉENNE
EUROPÄISCHE NORM
FprA1
July 2014
ICS 91.100.25
English Version
Specification for masonry units - Part 1: Clay masonry units
Spécifications pour éléments de maçonnerie - Partie 1: Festlegungen für Mauersteine - Teil 1: Mauerziegel
Briques de terre cuite
This draft amendment is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee
CEN/TC 125.
This draft amendment A1, if approved, will modify the European Standard EN 771-1:2011. If this draft becomes an amendment, CEN
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment
into the relevant national standard without any alteration.
This draft amendment was established by CEN 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, Former Yugoslav Republic of Macedonia, 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 771-1:2011/FprA1:2014 E
worldwide for CEN national Members.
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
Contents
Page
Foreword .4
1 Modification to the Foreword .5
2 Modification to the Scope .5
3 Modification to Clause 3, Terms and definitions .5
4 Modification to 5.1, General .6
5 Modification to 5.2, LD units .6
6 Modification to 5.2.2.2, Thickness of shells and webs (LD units) .6
7 Modification to 5.2.3.1, Gross dry density (LD units) .6
8 Modification to 5.2.6, Durability (LD units) .6
9 Modification to 5.2.7, Water absorption (LD units) .6
10 Modification to 5.2.8, Active soluble salts content (LD units) .7
11 Modification to 5.2.9, Moisture movement (LD units) .7
12 Addition of a new subclause 5.2.13 .7
13 Modification to 5.3, HD units .7
14 Modification to 5.3.1.1, Dimensions (HD units) .7
15 Modification to 5.3.2, Configuration (HD units) .7
16 Modification to 5.3.3.1, Gross dry density (HD units) .7
17 Modification to 5.3.3.2, Net dry density (HD units) .7
18 Modification to 5.3.4, Compressive strength (HD units) .8
19 Modification to 5.3.9, Active soluble salts content (HD units) .8
20 Addition of a new subclause 5.3.14 .8
21 Modification to Clause 6, Description, designation and classification of clay masonry
units .8
22 Modification to 6.1.1, LD units .8
23 Modification to 6.1.2, HD units .9
24 Addition of a new subclause 6.2 .9
25 Modification to Clause 8, Evaluation of conformity . 12
26 Modification to 8.1, General . 13
27 Modification to 8.2, Initial type testing . 13
28 Modification to 8.3.1, General . 13
29 Modification to 8.3.10, Nonconforming products . 14
30 Modification to Annex A . 14
31 Modification to A.1 . 14
32 Modification to Annex ZA . 17
Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU
Construction Products Regulation . 17
ZA.1 Scope and relevant characteristics . 17
2
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
ZA.2 Procedure for AVCP of clay masonry units . 20
ZA.2.1 System(s) of AVCP . 20
ZA.2.2 Declaration of performance (DoP) . 22
ZA.3 CE marking and labelling. 28
3
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
Foreword
This document (EN 771-1:2011/FprA1:2014) has been prepared by Technical Committee CEN/TC 125
“Masonry”, the secretariat of which is held by BSI.
This document is currently submitted to the Unique Acceptance Procedure.
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 Regulation(s).
For relationship with EU Regulation(s), see informative Annex ZA, which is an integral part of this document.
NOTE Due to fact that the Framework Partnership Agreement between the Commission and CEN & CENELEC is not
signed yet, there are currently no New Approach Consultants in place for 2014. Therefore the provisions of CEN-
CENELEC Guide 15 cannot be met.
This shall not prevent the processing of draft standards nor the offering of harmonized standards to the Commission. In
particular, draft standards can be sent to vote without Consultant assessment.
This note will be removed from the Foreword of the finalized publication.
4
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
1 Modification to the Foreword
th th
Replace the 5 and 6 paragraphs with the following:
"This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports basic requirements for construction works of the EU
Construction Products Regulation (Regulation (EU) No 305/2011).
For relationship with EU Regulation/Directive(s), see informative Annex ZA, which is an integral part of this
document.".
2 Modifications to the Scope
st
Replace the 1 paragraph with the following:
“This European Standard specifies the characteristics and performance requirements for masonry units
manufactured from clay for which the main intended uses are protected or unprotected masonry structure (see
definitions 3.3 and 3.4) (e.g. facing and rendered masonry, loadbearing or non-loadbearing masonry
structures, including internal linings and partitions, for building and civil engineering).”.
nd
Delete the whole 2 paragraph.
th
Replace the 5 paragraph with the following:
“It provides for the assessment and verification of constancy of performance (AVCP) of the product to this
European Standard.”.
th
Replace the last sentence in the 7 paragraph with the following:
“This European Standard does not include method of measurement of angles and radii characteristics of
specially shaped clay masonry units.”.
3 Modification to Clause 3, Terms and definitions
Replace the existing definition 3.3 with:
“masonry which is protected against water penetration and is not in contact with soil and ground water
Note 1 to entry: It can either be masonry in external walls which is protected, (e.g. by a layer of suitable render or by
cladding), or it can be the inner leaf of a cavity wall or it can be an internal wall. It may or may not be loadbearing.”.
Add the following new term and definition and renumber accordingly.
“3.4
unprotected masonry
masonry which may be exposed to rain, freeze/thaw and/or may be in contact with soil and ground water
without a suitable protection
Note 1 to entry: It can either be masonry in external walls which is fully unprotected, or which is intended to be
provided by a limited protection (e.g. by a thin layer of render). It may or may not be loadbearing”.
Replace the existing term and definition 3.5 (former 3.4) with:
“P unit
clay masonry unit for use in protected masonry”.
Replace the existing term and definition 3.6 (former 3.5) with:
5
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
“U unit
clay masonry unit for use in unprotected masonry”.
Add the following term and definition:
“3.39
product type
the set of representative performance levels or classes of a construction product, in relation to its essential
characteristics, produced using a given combination of raw materials or other elements in a specific
production process”.
4 Modification to 5.1, General
In the NOTE, replace “3.10 and 3.11” with “3.11 and 3.12”.
Add a new paragraph after the NOTE:
“In general, for specially shaped masonry units it will be satisfactory to declare the properties as that
determined on units of a rectangular parallelepiped shape and of the same product type which has been
subjected to a similar manufacturing process.”.
st nd
In the 1 sentence of the 2 paragraph, replace “initial type testing” with “product type determination”.
5 Modification to 5.2, LD units
Throughout the standard replace “LD” with “P” and “HD” with “U”.
Replace the title “LD units” with “P units: intended to be used in protected masonry”.
6 Modification to 5.2.2.2, Thickness of shells and webs (LD units)
In the NOTE, replace “intended” with “foreseen”.
7 Modification to 5.2.3.1, Gross dry density (LD units)
st
3”.
In the 1 paragraph, delete “and shall be equal to or less than 1 000 kg/m
8 Modification to 5.2.6, Durability (LD units)
Replace the whole clause with:
“When the intended use of the product provides a complete protection against water penetration, no reference
to freeze/thaw resistance is required (F0).
In countries where there is a requirement for freeze/thaw resistance, it shall be evaluated and declared
according to the provisions valid in the intended place of use of the units.”.
9 Modification to 5.2.7, Water absorption (LD units)
Replace the whole clause with:
“Because of the intended use of P masonry units there are no requirements regarding water absorption.”.
6
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EN 771-1:2011/FprA1:2014 (E)
10 Modification to 5.2.8, Active soluble salts content (LD units)
st
Replace the 1 paragraph, Table 1 and NOTE 1 with:
“Since the intended use of the product provides complete protection against water penetration no requirement
for active soluble salts content apply (S0).”
Replace “NOTE 2” with “NOTE”.
11 Modification to 5.2.9, Moisture movement (LD units)
Replace “which are intended to” with “which are to”.
12 Addition of a new subclause 5.2.13
Add a new subclause:
“5.2.13 Dangerous substances
National regulations on dangerous substances may require verification and declaration on release, and
sometimes content, when construction products covered by this standard are placed on those markets.
In the absence of European harmonized test methods, verification and declaration on release/content should
be done taking into account national provisions in the place of use.
NOTE An informative database covering 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/.".
13 Modification to 5.3, HD units
Replace the title “HD units” with “U units: intended to be used in unprotected masonry”.
14 Modification to 5.3.1.1, Dimensions (HD units)
st
Add the following paragraph between the 1 paragraph and the NOTE:
“For units of special shape that fit within the envelope of a rectangular parallelepiped shape, the length, width
and height are those for the tightest envelope. For other shapes these dimensions are defined in 5.3.2.”.
15 Modification to 5.3.2, Configuration (HD units)
Add a new paragraph after the NOTE:
“For units of special shape the dimensions to be considered as length, width and height of the unit shall be
given.”.
16 Modification to 5.3.3.1, Gross dry density (HD units)
nd
In the 2 paragraph, add at the end: “This declaration does not apply to units of special shape.”.
17 Modification to 5.3.3.2, Net dry density (HD units)
nd
At the end of the 2 paragraph, add the following: “This declaration does not apply to units of special shape.”.
7
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
18 Modification to 5.3.4, Compressive strength (HD units)
st
At the end of the 1 paragraph, add the following:
“In general, for specially shaped masonry units the compressive strength may be declared as that determined
on units of a rectangular parallelepiped shape which have been subjected to a similar manufacturing process.
If the shape of a specially shaped masonry unit has a function in resisting load this shall be taken into account
by testing representative samples of whole units but the declaration of strength is based upon loading the
largest rectangular area normal to the load expected in the brickwork.”.
Replace NOTE 3 with:
“NOTE 3 For tapered units special provisions apply, see EN 772-1.”.
19 Modification to 5.3.9, Active soluble salts content (HD units)
Replace “Table 2” with “Table 1”.
Replace NOTE 1 and NOTE 2 with:
“NOTE See B.4 for further information.”.
20 Addition of a new subclause 5.3.14
Add a new subclause:
“5.3.14 Dangerous substances
National regulations on dangerous substances may require verification and declaration on release, and
sometimes content, when construction products covered by this standard are placed on those markets.
In the absence of European harmonized test methods, verification and declaration on release/content should
be done taking into account national provisions in the place of use.
NOTE An informative database covering 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/.".
21 Modification to Clause 6, Description, designation and classification of clay
masonry units
Replace the title with the following:
“Description, designation, designation code and classification of clay masonry units”.
22 Modification to 6.1.1, LD units
Replace the title “LD units” with “P units”.
Delete the paragraph after d), add a paragraph after e):
“When relevant to the uses for which the unit is placed on the market, the description and designation shall
include:”.
In k), add the word “content” after “salts”.
Add the following list entry p):
8
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
“p) dangerous substances (see 5.2.13).”.
23 Modification to 6.1.2, HD units
Replace the title “HD units” with “U units”.
Delete the paragraph after d), add a paragraph after e):
“When relevant to the uses for which the unit is placed on the market, the description and designation shall
include:”.
Add the following list item and update the numbering accordingly (not tagged):
“i) water absorption (see 5.3.7);”.
In l) (former k)), add the word “content” after “salts”.
Add the following list entry q):
“q) dangerous substances (see 5.2.14).”.
24 Addition of a new subclause 6.2
Add a new subclause 6.2 and update the numbering accordingly (not tagged).
“6.2 Designation code
A designation code may be used as part of the designation as shown in Table 2.
If the designation code of Table 2 is used, unit type, intended use and values for the characteristics with a
position number in the table shall always be declared, but NPD may be used. For the other characteristics,
that do not have a fixed position number in the table, a system with given default values can be used.
NOTE NPD means ‘No Performance Determined. For the use of NPD option, see Annex ZA.
If the declaration by the manufacturer in the declaration of performance (DoP) of one of those characteristics
matches the given default value of the chosen set in the table, then the characteristic can be omitted in the
code.
If the declaration does not match the default value then the specified code of characteristic followed by the
declared value shall be given. All the values – also NPDs – as given in the last three columns of Table 2 have
to be looked upon as default values. If for characteristics the NPD option has been declared instead of the
given default value from the table, the relevant code of each of those characteristics shall be given at the last
position in the designation code.
In Table 2 three different sets (A, B and C) of default values are defined. Set A is a set of default values for
units used in protected masonry. Set B is a set of default values for high precision units used in protected
masonry and set identification C is a set of default values for units used in unprotected masonry.
A manufacturer can create his own sets of default values related to the intended use and the unit type if they
are properly identified and explained.
9
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
Table 2 — Definition of the designation code and default values
Position in the
Sets of default values of
designation
Clause in the
1)
Characteristic code and code Unit Code characteristics
standard
of characteristic
(in bracket)
A B C
Unit type 1 CL
Intended use 2 P or U
Category of
masonry units
Category 3 I or II
5.2.4: P Units,
5.3.4: U Units
Compressive
strength
Mean
perpendicular to
2
compressive 4 N/mm ӿӿӿ,ӿ
bed face
strength
5.2.4: P Units,
5.3.4: U Units
Gross dry density
Mean gross dry
3
5.2.3.1: P Units, 5 ӿӿӿӿ
kg/m
density
5.3.3.1: U Units
Dimensions
Length, width
5.2.1.1: P Units, 6 mm
lll × www × hhh
and height
5.3.1.1: U Units
Identification for
sets of default
7 A, B and C
values linked to
intended use
Thermal properties
No fixed position
5.2.5: P Units, λ -value W/mK ӿ,ӿӿӿ NPD NPD NPD
10,dry,unit
(L)
5.3.5: U Units
Durability Freeze/thaw
No fixed position
5.2.6: P Units, resistance F0, F1, or F2 F0 F0 F2
(F)
5.3.6: U Units category
Dimensional
Dimensional No fixed position mm, T1, T1+, T2,
tolerance T1 T1+ T1
(T) when Tm T2+ or Tm
tolerances
category
5.2.1.2: P Units,
No fixed position mm, R1, R1+, R2,
5.3.1.2: U Units
Range category R1 R1+ R1
(R) when Rm R2+ or Rm
Gross dry density In bracket after
Tolerance %, when
5.2.3.1: P Units, gross dry density D1, D2, or Dm D2 D2 D1
category Dm
5.3.3.1: U Units (D)
Flatness of bed
Deviation from
faces No fixed position
flatness mm ӿ NPD 1 NPD
5.2.1.2.4: P Units, (E)
(evenness)
5.3.1.2.4: U Units
Plane parallelism
of bed faces Plane No fixed position
mm ӿ NPD 1 NPD
5.2.1.2.5: P Units, parallelism (PL)
5.3.1.2.5: U Units
Mean net dry No fixed position
3
ӿӿӿӿ NPD NPD NPD
Net dry density kg/m
density (N)
5.2.3.2: P Units,
Tolerance In bracket after %, when
5.3.3.2: U Units
D1, D2 or Dm NPD NPD NPD
Category net dry density Dm
Configuration
Illustration or G1, G2, G3, or
No fixed position
5.2.2: P Units, G2 G3 G1
2) 2)
(G)
Group G4 or G1S
5.3.2: U Units
Not Not
Configuration Total volume of No fixed positions % of
ӿӿ appli- appli-
≤ 20
5.3.2: U Units frogs (FR) volume
cable cable
10
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SIST EN 771-1:2011/kFprA1:2014
EN 771-1:2011/FprA1:2014 (E)
Bond strength
Initial shear No fixed position
2
5.2.12: P Units, N/mm ӿ, ӿӿ NPD NPD NPD
strength (B)
5.3.13: U Units
Water vapour
permeability Water vapour No fixed position
ӿ/ӿӿ or ӿӿ/ӿӿӿ 5/10 5/10 50/100
5.2.11: P Units, diffusion coeff. (V)
5.3.12: U Units
Water absorption
Water No fixed position
5.2.7: P Units, % ӿӿ,ӿ NPD NPD NPD
absorption (W)
5.3.7: U Units
Initial rate of water
absorption of Initial rate of No fixed position
2
ӿ,ӿ NPD NPD NPD
kg/m min
U Units water absorption (I)
5.3.8: U Units
Active soluble salts
content No fixed position
Category S0, S1 or S2 S0 S0 S2
5.2.8: P Units, (S)
5.3.9: U Units
Moisture
movement Moisture No fixed position
mm/m ӿ,ӿ NPD NPD NPD
5.2.9: P Units, movement (M)
5.3.10: U Units
Reaction to fire
Reaction to fire No fixed position
5.2.10: P Units, A1 A1 A1 A1
class (RF)
5.3.11: U Units
Compressive
Mean
strength not
compressive
perpendicular to No fixed position
2
strength not ӿӿӿ,ӿ NPD NPD NPD
N/mm
bed face (C)
perpendicular to
5.2.4: P Units,
bed face
5.3.4: U Units
Dangerous
acc. to national
substances No fixed position
provisions in NPD NPD NPD
5.2.13: P Units, (DS)
place of use
5.3.14: U Units
1) Depending on the chosen set of default values (A, B or C) the respective characteristics shall only be given if they differ from the
tabulated default value as given in the last three columns.
2) by reference to EN 1996-1-1 or EN 1996-1-2
11
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EN 771-1:2011/FprA1:2014 (E)
NOTE The designation codes for 3 examples of clay masonry units with the following characteristics declared:
Declared characteristics Example 1 Example 2 Example 3
Intended use: P P U
Category I I I
Mean compressive
2 2 2
strength perpendicular to
8,5 N/mm 10,0 N/mm 43,8 N/mm
bed face
3 3 3
Gross dry density 750 kg/m 650 kg/m 1 900 kg/m
Tolerance category D1 D2 D1
Dimensions (length x width
240×300×238 mm 250×365×249 mm 240×115×71 mm
x height)
Set identification A B C
λ 0,140 W/mK 0,090 W/mK NPD
-value
10,dry,unit
Freeze/thaw F0 F0 F2
Dimensional tolerance
T2 T2+ T1
category
Range category R2 R2+ R1
Flatness of bed faces NPD 1 NPD
Plane parallelism NPD 1 NPD
3
Mean net dry density NPD NPD
2 100 kg/m
Tolerance category NPD NPD Dm: ± 2%
Unit Group G2 G3 G2
Volume of frog ≤ 20 %
Bond strength 0,15 N/mm² NPD NPD
Water vapour permeability NPD 5/10 50/100
Water absorption NPD NPD < 6%
Initial rate of water
NPD NPD NPD
absorption
Active soluble salts content S0 S0 S1
Moisture movement NPD NPD NPD
Reaction to fire A1 A1 A1
Compressive strength not
NPD NPD NPD
perpendicular to bed face
Dangerous substances NPD NPD NPD
will be the following ones:
Example 1:
CL P I 8,5 750(D1) 240×300×238 A T2 R2 B0,15 L0,140 V
Example 2:
CL P I 10,0 650 250×365×249 B T2+ R2+ L0,090
Example 3:
CL U I 43,8 1900 240×115×71 C N2100(2) G2 W<6 S1
”.
25 Modification to Clause 8, Evaluation of conformity
Replace the title with the following:
“Assessment and verification of constancy of performance (AVCP)”.
12
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EN 771-1:2011/FprA1:2014 (E)
26 Modification to 8.1, General
st
In the 1 paragraph, replace the word “values” with “performance”.
In the list, replace “initial type testing of the product” with “product type determination”
nd
Replace the 2 paragraph with:
“Alternative methods of test to the reference methods specified in this European Standard may be adopted
except for the product type determination tests and in case of dispute, provided that these alternative methods
satisfy the following:”.
27 Modification to 8.2, Initial type testing
Replace the title with the following: “Product type determination”.
st nd
Replace the 1 and 2 paragraphs with:
“After completion of the development of a new product type and before placing on the market, appropriate
product type determination shall be carried out to confirm that the properties predicted from the development
meet the requirements of this standard and the performance of the characteristics to be declared for the
product.
Whenever a major change in the source, blend, or nature of raw materials occurs, or when there is a change
in processing conditions, leading to what the manufacturer considers will constitute a new product type being
produced, the appropriate product type determination shall be repeated.”.
th th
Replace the 4 and 5 paragraphs with:
“In the product type determination process, a manufacturer may take into consideration already existing
results.
A manufacturer may use the product type determination results determined by someone else (e.g. another
manufacturer or a research, technology & development service provider) to justify his own declaration of
performance regarding a product that is manufactured according to the same design and with raw materials,
constituents and manufacturing methods of the same kind, provided that permission is given by the owner of
the results, and the results are valid for both products.”.
Delete the NOTE.
th th
Replace the 7 and 8 paragraphs with:
”Sampling for product type determination tests shall be in accordance with Annex A.
The results of the product type determination shall be recorded.”.
Add the following NOTE after the last paragraph:
“NOTE For the performance characteristics to be determined in order to address the Declaration of Performance and
CE marking provisions, see Table ZA.1.1 and Table ZA.1.2.”.
28 Modification to 8.3.1, General
st
In the 1 paragraph, replace “values” with “performance of the characteri
...
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