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2:1997/OprA2:2004
PREDSTANDARD
september 2004
Acoustics - Rating of sound insulation in buildings and of building elements - Part 2:
Impact sound insulation - Amendment 2: Procedure for evaluating the weighted
reduction in impact sound level by floor coverings on lightweight floors
ICS 91.120.20 Referenčna številka
SIST EN ISO 717-
2:1997/OprA2:2004(en)
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
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EUROPEAN STANDARD
DRAFT
EN ISO 717-2:1996
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA2
June 2004
ICS
English version
Acoustics - Rating of sound insulation in buildings and of
building elements - Part 2: Impact sound insulation -
Amendment 2 : Procedure for evaluating the weighted reduction
in impact sound level by floor coverings on lightweight floors
Acoustique - Evaluation de l'isolement acoustique des
immeubles et des éléments de construction - Partie 2:
Protection contre le bruit et choc - Amendement 2:
Méthode d'évaluation de la réduction pondérée du niveau
sonore du bruit de choc par des revêtements de sol sur des
planchers
This draft amendment is submitted to CEN members for parallel enquiry. It has been drawn up by the Technical Committee CEN/TC 126.
This draft amendment A2, if approved, will modify the European Standard EN ISO 717-2:1996. 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 Management Centre has the same status
as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 717-2:1996/prA2:2004: E
worldwide for CEN national Members.
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EN ISO 717-2:1996/prA2:2004 (E)
Foreword
This document (EN ISO 717-2:1996/prA2:2004) has been prepared by Technical Committee
CEN/TC 126 "Acoustic properties of building products and of buildings", the secretariat of which
is held by AFNOR, in collaboration with Technical Committee ISO/TC 43 "Acoustics".
This document is currently submitted to the parallel Enquiry.
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
Directive(s).
2
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DRAFT AMENDMENT ISO 717-2:1996/DAmd 2
ISO/TC 43/SC 2 Secretariat: DIN
Voting begins on: Voting terminates on:
2004-06-03 2004-11-03
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ • ORGANISATION INTERNATIONALE DE NORMALISATION
Acoustics — Rating of sound insulation in buildings and of
building elements —
Part 2:
Impact sound insulation
AMENDMENT 2: Procedure for evaluating the weighted reduction in
impact sound level by floor coverings on lightweight floors
Acoustique — Évaluation de l'isolement acoustique des immeubles et des éléments de construction —
Partie 2: Protection contre le bruit de choc
AMENDEMENT 2: Méthode d'évaluation de la réduction pondérée du niveau sonore du bruit de choc par des
revêtements de sol sur des planchers légers
ICS 91.120.20
ISO/CEN PARALLEL ENQUIRY
This draft International Standard is a draft standard developed within the European Committee for
Standardization (CEN) and processed under the CEN-lead mode of collaboration as defined in the
Vienna Agreement. The document has been transmitted by CEN to ISO for circulation for ISO member
body voting in parallel with CEN enquiry. Comments received from ISO member bodies, including those
from non-CEN members, will be considered by the appropriate CEN technical body. Should this DIS be
accepted, a final draft, established on the basis of comments received, will be submitted to a parallel two-
month FDIS vote in ISO and fo
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