Temporary works equipment - Encapsulation constructions - Performance requirements and general design

This European Standard specifies performance requirements and design methods for temporary roofs
and encapsulations.
It is possible to form the constructions in several ways:
— temporary roof which is supported by an existing permanent construction (Figure 1);
— temporary roof which is supported by a scaffold (Figure 2 and 3);
— temporary roof which is supported by another temporary construction (e.g. steel frame);
— temporary wall which is supported by a separate construction (Figure 4);
— encapsulation which is a complete temporary construction including roof, walls and corresponding
temporary supports (Figure 5).
This European Standard sets out general requirements. These are substantially independent of the
materials of which the construction is made. This standard is intended to be used as the basis for
enquiry and design.

Temporäre Konstruktionen für Bauwerke - Einhausungskonstruktionen - Leistungsanforderungen, Entwurf, Konstruktion und Bemessung

Diese Europäische Norm legt allgemeine Anforderungen sowie Verfahren für Entwurf und Konstruktion von Einhausungen fest.
Es gibt mehrere Ausführungsarten für die Konstruktionen:
   Wetterschutzdach, das auf einem bestehenden dauerhaften Bauwerk aufgelagert wird (Bild 1);
   Wetterschutzdach, das auf ein Gerüst aufgelagert wird (Bild 2 und 3);
   Wetterschutzdach, das auf eine andere temporäre Konstruktion aufgelagert wird (z. B. Stahlrahmen);
   Wand, die auf einer separaten Konstruktion aufgelagert wird (Bild 4);
   Einhausung ganzheitlich als temporäre Konstruktion inklusive Dach und Wände (Bild 5).
Diese Norm gilt nicht für öffentlich genutzte Gebäude.

Équipements temporaires de chantiers - Systèmes de protection d'ouvrage - Exigences de performance et conception générale

La présente Norme européenne spécifie des exigences générales et des méthodes de dimensionnement applicables aux systèmes de protection d'ouvrage.
Les systèmes de protection d'ouvrage peuvent consister en :
   une toiture soutenue par une construction permanente existante (Figure 1) ;
   une toiture soutenue par un échafaudage (Figures 2 et 3) ;
   une toiture soutenue par une autre construction temporaire (par exemple, un cadre métallique) ;
   un mur soutenu par une construction indépendante (Figure 4) ;
   un système de protection d'ouvrage formant une construction temporaire complète, comprenant une toiture et des murs (Figure 5).
La présente norme ne couvre pas les structures mises à disposition du public.

Oprema za začasne gradnje - Okrovne konstrukcije - Tehnične zahteve in splošna zasnova

Ta evropski standard določa zahteve za učinkovitost in metode načrtovanja za začasne strehe in okrove.
Konstrukcije je mogoče zgraditi na več načinov:
— začasna streha, podprta z obstoječo trajno konstrukcijo (slika 1);
— začasna streha, podprta z ogrodjem (sliki 2 in 3);
— začasna streha, podprta z drugo začasno konstrukcijo (npr. jeklenim ogrodjem);
— začasna stena, podprta z ločeno konstrukcijo (slika 4);
— okrov, ki je v celoti začasna konstrukcija, vključno s streho, stenami in pripadajočimi
začasnimi oporniki (slika 5).
Ta evropski standard določa splošne zahteve. Te so pretežno neodvisne od materialov, iz katerih je zgrajena konstrukcija. Ta standard naj bi se uporabljal kot podlaga za povpraševanje in načrtovanje

General Information

Status
Published
Publication Date
03-Jan-2016
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
11-Dec-2015
Due Date
15-Feb-2016
Completion Date
04-Jan-2016

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SLOVENSKI STANDARD
SIST EN 16508:2016
01-februar-2016
2SUHPD]D]DþDVQHJUDGQMH2NURYQHNRQVWUXNFLMH7HKQLþQH]DKWHYHLQVSORãQD
]DVQRYD

Temporary works equipment - Encapsulation constructions - Performance requirements

and general design
Temporäre Konstruktionen für Bauwerke - Einhausungskonstruktionen -
Leistungsanforderungen, Entwurf, Konstruktion und Bemessung

Équipements temporaires de chantiers - Systèmes de protection d'ouvrage - Exigences

de performance et conception générale
Ta slovenski standard je istoveten z: EN 16508:2015
ICS:
91.080.99 Druge konstrukcije Other structures
91.200 Gradbena tehnologija Construction technology
SIST EN 16508:2016 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 16508:2016
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SIST EN 16508:2016
EN 16508
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2015
EUROPÄISCHE NORM
ICS 91.120.01; 91.200
English Version
Temporary works equipment - Encapsulation
constructions - Performance requirements and general
design

Équipements temporaires de chantiers - Systèmes de Temporäre Konstruktionen für Bauwerke -

protection d'ouvrage - Exigences de performance et Einhausungskonstruktionen - Leistungsanforderungen,

conception générale Entwurf, Konstruktion und Bemessung
This European Standard was approved by CEN on 26 September 2015.

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, 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16508:2015 E

worldwide for CEN national Members.
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SIST EN 16508:2016
EN 16508:2015 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

Introduction .................................................................................................................................................................... 4

1 Scope .................................................................................................................................................................... 5

2 Normative references .................................................................................................................................... 5

3 Terms and definitions ................................................................................................................................... 5

4 Materials ............................................................................................................................................................. 8

5 General requirements ................................................................................................................................... 9

5.1 General ................................................................................................................................................................ 9

5.2 Access .................................................................................................................................................................. 9

5.3 Openings ............................................................................................................................................................. 9

5.4 Moveable structures ...................................................................................................................................... 9

6 Classification of snow/minimum load classes ...................................................................................... 9

7 Structural design ............................................................................................................................................. 9

7.1 General ................................................................................................................................................................ 9

7.2 Support ............................................................................................................................................................ 10

7.3 Method of design .......................................................................................................................................... 10

7.4 Actions .............................................................................................................................................................. 10

7.4.1 General ............................................................................................................................................................. 10

7.4.2 Permanent actions, Q ................................................................................................................................ 10

7.4.3 Variable imposed actions, Q – Q .......................................................................................................... 11

2 4

7.4.4 Climatic loads ................................................................................................................................................ 11

7.5 Load combinations ...................................................................................................................................... 12

7.6 Extent of static calculation ........................................................................................................................ 13

7.6.1 Ultimate limit state ...................................................................................................................................... 13

7.6.2 Static equilibrium ........................................................................................................................................ 14

7.6.3 Local sliding ................................................................................................................................................... 15

7.6.4 Loads on flexible sheeting ......................................................................................................................... 16

8 Documentation .............................................................................................................................................. 16

Annex A (informative) Pressure coefficients for the external pressure, c .......................................... 17

Annex B (informative) A-deviations ..................................................................................................................... 20

Bibliography ................................................................................................................................................................. 21

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SIST EN 16508:2016
EN 16508:2015 (E)
European foreword

This document (EN 16508:2015) has been prepared by Technical Committee CEN/TC 53 “Temporary

works equipment”, the secretariat of which is held by DIN.

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 June 2016, and conflicting national standards shall be

withdrawn at the latest by June 2016.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent

rights.

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, 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 the United Kingdom.
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SIST EN 16508:2016
EN 16508:2015 (E)
Introduction

The purpose of a temporary roof and encapsulation construction according to this standard is to protect

the area inside from climatic influences and dust. It is also used to protect the public from effects from

inside.

This European Standard includes rules for structural design, which are of particular relevance to

encapsulations.

Individual countries may have national laws or regulations which are not in line with this European

standard. Information on that can be found in the attached A-deviations.
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SIST EN 16508:2016
EN 16508:2015 (E)
1 Scope

This European Standard specifies performance requirements and design methods for temporary roofs

and encapsulations.
It is possible to form the constructions in several ways:

— temporary roof which is supported by an existing permanent construction (Figure 1);

— temporary roof which is supported by a scaffold (Figure 2 and 3);

— temporary roof which is supported by another temporary construction (e.g. steel frame);

— temporary wall which is supported by a separate construction (Figure 4);

— encapsulation which is a complete temporary construction including roof, walls and corresponding

temporary supports (Figure 5).

This European Standard sets out general requirements. These are substantially independent of the

materials of which the construction is made. This standard is intended to be used as the basis for

enquiry and design.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

EN 1990 (all parts), Eurocode: Basis of structural design
EN 1991 (all parts), Eurocode 1: Actions on structures
EN 1993 (all parts), Eurocode 3: Design of steel structures
EN 1995 (all parts), Eurocode 5: Design of timber structures
EN 1999 (all parts), Eurocode 9: Design of aluminium structures

EN 12811-1:2003, Temporary works equipment — Part 1: Scaffolds — Performance requirements and

general design
EN 12811-2, Temporary works equipment — Part 2: Information on materials
EN 12812:2008, Falsework — Performance requirements and general design
3 Terms and definitions

For the purposes of this document the terms of EN 12811-1 and EN 12812 and the following apply.

3.1
temporary roof
construction intended to cover work activities
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SIST EN 16508:2016
EN 16508:2015 (E)
3.2
temporary encapsulation

construction intended to encapsulate work activity areas, consisting of a combination of following

elements: roof, walls and supports
Note 1 to entry: For different types, see Figures 1 to 5.

Figure 1 — Example of a temporary roof which is supported by an existing permanent

construction
Figure 2 — Examples of temporary roofs supported by scaffolding elements
Figure 3 — Examples of temporary roofs supported by working scaffold
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SIST EN 16508:2016
EN 16508:2015 (E)
Key
1 existing support
Figure 4 — Example of a temporary wall supported by a separate construction
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SIST EN 16508:2016
EN 16508:2015 (E)

Figure 5 — Example of an encapsulation consisting of a complete temporary construction

including roof, walls and supports
3.3
kentledge

material attached to or placed on a structure to provide stability by the action of its dead weight

3.4
support
structure which is to withstand the imposed effects from the construction
3.5
sheeting/cladding

flexible or stiff component, normally intended to provide protection from climatic influences and/or

dust protection
4 Materials

Materials shall fulfil the requirements given in European Standards, where design data are provided. If

European Standards do not exist, ISO Standards may be applied.

This European standard is not intended to prevent the use of existing components made of materials in

accordance with standards that were valid at the time of their introduction.

Materials shall be sufficiently robust and durable to withstand normal working conditions.

Materials shall be free from any impurities and defects, which may affect their satisfactory use.

Additional requirements for some materials are given in EN 12811-2.

This European standard does not intend to prevent the use of non-standardized materials. When

materials are used, whose properties in relation to the intended application (e.g. temperature, ageing,

UV-degradation) are not given in any available standard, an adequate assessment according to relevant

national regulations is required.

If walking on the sheeting is permitted by the supplier of the encapsulation, then it shall be able to

withstand the appropriate actions.
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SIST EN 16508:2016
EN 16508:2015 (E)
NOTE Material requirements for some sheeting are given in EN 13782.
5 General requirements
5.1 General

The components shall be designed so they can be safely erected, used, maintained and dismantled.

Attention shall be paid to ergonomic considerations.
5.2 Access

Safe and ergonomic means of access to all areas within the encapsulation and to the temporary roof

shall be provided when appropriate. The access should preferably be by means of stairways. Access

shall be according to the requirements of EN 12811-1.

NOTE Access to the temporary roof could be required for repair, opening or snow clearance.

5.3 Openings

If necessary, for the purpose of lifting in equipment or materials, it should be possible to remove parts

of the structure temporarily. These parts shall be secured when removed.
5.4 Moveable structures

Moveable structures shall be secured against uplift at all times. If such securing is not possible, a

maximum wind speed for loosening and moving shall be stated.
6 Classification of snow/minimum load classes

Encapsulations are classified in snow load classes according to Table 1. Exceptions to the snow load

classes may be decided by national regulations.
Table 1 — Snow load classes
Load
Snow load class Guidance
kN/m
SL 1 No snow load (Minimum load) 0,1
SL 2a Based upon snow clearance management 0,25
SL 2b Based upon snow clearance management 0,6
SL 3 Site specific snow load in accordance with
EN 1991–1-3
NOTE See also national annexes.
Snow clearance management may be achieved by physical removal, heating, etc.
7 Structural design
7.1 General

Each encapsulation, including all its parts, shall be designed, constructed and maintai

...

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