ISO 13033:2013

INTERNATIONAL ISO
STANDARD 13033
First edition
2013-08-01
Bases for design of structures —
Loads, forces and other actions —
Seismic actions on nonstructural
components for building applications
Bases du calcul des constructions — Charges, forces et autres actions
— Actions sismiques sur les composants non structurels destinés aux
applications du bâtiment
Reference number
©
ISO 2013
© ISO 2013
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ii © ISO 2013 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
1.1 General . 1
1.2 Relationship with ISO 3010 . 1
1.3 Components requiring evaluation . 1
1.4 Components excluded . 2
2 Normative references . 2
3 Terms and definitions . 2
4 Symbols and abbreviated terms . 3
5 Seismic design objectives and performance criteria . 4
6 Sources of seismic demand on NSCS . 5
6.1 General . 5
6.2 Inertial demand . 5
6.3 Relative displacement demand . 5
6.4 Impact demand . 6
7 General conditions for determining seismic demand on NSCS . 6
7.1 General . 6
7.2 Determining seismic demand assuming NSCS does not influence building response . 6
7.3 Determining seismic demands assuming NSCS influences building response . . 7
8 Quantification of elastic seismic demand on NSCS . 7
8.1 General . 7
8.2 Inertial force demands determined by dynamic analysis . 7
8.3 Inertial elastic force demands determined by equivalent static analysis . 8
8.4 Seismic relative displacement demands .10
8.5 Impact demand .11
9 Verification of NSCS .11
9.1 Performance acceptance criteria.11
9.2 Verification by design analysis .12
9.3 Verification by seismic qualification testing .13
9.4 Verification by documented performance in past earthquakes (experience data) .15
9.5 Verification by a combination of procedures .15
10 Verification of seismic load path between NSCS and building structural system .15
11 Quality assurance and enforcement .16
Annex A (informative) Identification of NSCS requiring seismic evaluation .17
Annex B (informative) Principles for choosing importance factors for NSCS .20
Annex C (informative) Principles for choosing the floor response amplification factor
(height factor) .22
Annex D (informative) Principles for choosing the component amplification factor
(resonance factor).24
Annex E (informative) Principles for determining response modification factors .26
Annex F (informative) Principles for determining seismic relative displacements for drift-
sensitive components .27
Annex G (informative) Floor response spectra .29
Annex H (informative) Methods for verifying NSCS by design analysis .32
Annex I (informative) NSCS verification by shake table testing .35
Annex J (informative) NSCS verification through use of experience data .37
Annex K (informative) Principles of seismic anchorage of NSCS .38
Annex L (informative) Quality assurance in design and construction .42
Bibliography .43
iv © ISO 2013 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directives
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received. www.iso.org/patents
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
The committee responsible for this document is ISO/TC 98, Bases for design of structures, Subcommittee
SC 3, Loads, forces and other actions
Introduction
This International Standard presents basic principles for the evaluation of seismic actions on
architectural, mechanical and electrical components and systems (i.e. nonstructural components) in
[1]
building applications. The seismic actions described are fundamentally compatible with ISO 2394.
This International Standard is intended to be a companion document to ISO 3010, Basis for design of
structures — Seismic actions on structures. It includes not only principles of seismic design but also
procedures for the verification of component and system capacity to ensure that those capacities exceed
seismic demands. Full verification of components and systems adequacy generally includes other actions
not addressed by this International Standard in combination with seismic actions.
This International Standard includes limit states associated with post-earthquake functionality of
nonstructural components. Some of these limit states address the overall safety of the building occupants,
while others address the safety of the surrounding community impacted by functional failure of the
facility. It therefore includes requirements for equipment and systems that demonstrate that they will
function as needed to achieve the overall safety goals following the earthquake.
The approach used in this International Standard is to first define the goals and performance
objectives and then determine the seismic demands on nonstructural components and systems. The
seismic demands, which are complex in nature, are initially described in a general way. Then, based
on reasonable assumptions, seismic demands are quantified in a simple manner that is efficient for
use in most situations. The simplified demands are based on the assumption that the seismic response
of nonstructural components and systems have a negligible effect on the primary response of the
structure. A series of annexes included with this International Standard provide informative guidance
on determining simplified coefficients, performing evaluation of components, and implementing
alternative testing/empirical procedures used for verification including those needed to demonstrate
functionality to achieve the overall post-earthquake safety goals.
vi © ISO 2013 – All rights reserved

INTERNATIONAL STANDARD ISO 13033:2013(E)
Bases for design of structures — Loads, forces and other
actions — Seismic actions on nonstructural components
for building applications
1 Scope
1.1 General
This International Standard establishes the means to derive seismic actions on nonstructural components
and systems (NSCS) supported by or attached to new or existing buildings. It also provides procedures
for the verification of NSCS seismic capacities. NSCS include architectural elements, mechanical and
electrical systems, and building contents.
This International Standard is not a legally binding and enforceable code. It is a source document that
is utilized in the development of codes of practice by the competent authority responsible for issuing
structural design regulations. This International Standard is intended
...