Find the most up-to-date version of CSA S at Engineering The level of seismic upgrading of the OFCs required is dependent on the performance objective selected for the asset, as defined in CAN / CSA -S . Buy CSA S SEISMIC RISK REDUCTION OF OPERATIONAL AND FUNCTIONAL COMPONENTS (OFCS) OF BUILDINGS from SAI.

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Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. For example, a seismic resistance of 0. This Standard is intended to address the need to s32 the seismic risk of OFCs and thus improve the post-earthquake functionality of buildings. These systems require special interfacing design and details at the building junction to allow for differential movements between the building and its surrounding environment. While seismic risk reduction of OFCs is affected by the structural performance of a building, css Standard does not address structural integrity see Clause 1.

Seismic Standard

Upgrade options for operational and functional components OFCs shall be considered. As the voice of the S8322. Already Subscribed to this document. A higher level of upgrading, beyond the minimum established in this Seismic Standard, shall be considered. However, as a result of damage caused by recent earthquakes, focus has shifted to the behaviour of OFCs in overall building performance.

PSPC has been working with the NRC to update the following seismic screening and seismic evaluation tools for s8832 use on existing buildings.

Risk to safety, damage to property, and loss of function and operation in a building can be significantly affected by the failure or malfunction of OFCs even if the building structural system has performed well during an earthquake. Some examples of building components and sub-components are listed in Figures 1 and 2. Structural aspects are covered by the building codes and other publications referenced in Clause 2. Need more xsa one copy?

It supersedes the previous editions published in and D832 main cause of casualties and property damage in the event of an earthquake is often the failure of these OFCs.

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To obtain further information or to contact your regional representative, please contact tpsgc. PSPC is developing a new guideline to aid the seismic assessment of stone masonry structures. We have no document history for this standard. In many cases, losses associated with damage to these components are considerably greater than damage to the structural system.

This shall take into account factors such as future building use, seismic hazard, control of seismic damage to the building, post-disaster building use, heritage designation, and the cost differential for upgrading to a higher level versus the minimum.

Notes to tables and figures are considered part of the table or figure and may be written as requirements. It is important that building owners, building designers, utility designers, and geotechnical experts coordinate the interface design and details. Systems comprising several OFCs especially those involving fluid or gas flow require careful assessment of interconnections. Seismic requirements for existing buildings undergoing significant projects are to be in compliance with this section.

Such work must be undertaken by a qualified professional engineer. Definitions of the appropriate consequence class for the two most common building occupancies for PSPCthat is office buildings and public buildings buildings to where the public are admittedare given in the Seismic Standard. Standards Subsctiption may be the perfect solution.

The optimum level of upgrade shall be selected based on a holistic review of financial, functional, operational, security, and client requirements, including a review of the Investment Analysis Report.

We have no amendments or corrections for this standard. Most complex OFCs containing electronic parts, for example that are used in high seismic areas are designed and built with internal seismic isolation and subjected to seismic qualification testing. In a number of cases, improvements to the overall seismic performance of the building can be achieved by improving the performance of OFCs. Some OFCs can contribute to the structural integrity of a building, depending on their location, type of construction, and method of fastening, but these are not generally considered structural components.

The planned timelines for the development of these tools are as follows:.

Lifeline components in the immediate vicinity of the building and essential to its performance objective such as transformers, back-up power generators, fuel tanks, elevators, etc.


OFCs are divided into three categories of sub-components: Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Subscription pricing is determined by: When determining what constitutes a significant project, the long range plans for the asset must be reviewed in order to determine the most appropriate time to complete any necessary seismic upgrades mid-life retrofit, major base building recapitalization.

Changes to this edition include a harmonization with the National Building Code of Canada NBCC; b a general reorganization of contents; c revisions in definitions and symbols; d update of references; e revised definitions of OFC performance objectives; f a revised clause Clause 5 on procedures for OFCs in new buildings; g new flowcharts Figures 3 to 5 to better illustrate the various procedures described in this Standard; h a revised clause Clause 7.

New buildings shall be designed and constructed in accordance with the seismic requirements of the current National Building Code of Canada. Definitions for quality of inspection and degree of redundancy are based on industry practice and Standard. Buildings in Canada that are designed in accordance with early codes can be vulnerable to the failure or malfunctioning of OFCs after an earthquake.

These include, but csx not limited to, building components such as canopies over exit ways, partitions, roof parapets, mechanical and electrical systems, ceilings, and cladding.

Seismic Standard – Technical Guides – NPMS – Real Property – PSPC

A building is cwa up of components that can be divided into two groups: Please first log in with a verified email before subscribing to alerts.

Your Alert Profile lists the documents that will be monitored. The csaa resulting from these components can be considerably more than that arising from structural component failure, particularly in areas of low and moderate seismic intensity.

This standard is also available to be included in Standards Subscriptions. Please first verify your email before subscribing to alerts.