Dare to Prepare
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The Great California ShakeOut


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Disclaimer: The effects, descriptions, recommendations, and suggestions included in this web site are intended to improve earthquake preparedness; however, they do not guarantee the safety of an individual or a structure. The Earthquake Country Alliance (ECA) takes responsibility for the inclusion of materials from various sources on these pages. The State of California, the Seismic Safety Commission, the ECA and all contributors to this document do not assume liability for any injury, death, property damage, loss of revenue, or any other effect of an earthquake.




Fixed Anchorage

Larger imageVertical Seismic Bracing

Source: Noson, Perbix, SSD

Purpose

To secure computer equipment and other furniture and equipment located on the raised access floors.

Note

Typical equipment to anchor or brace:

  • Main frame
    • Processors
    • Power distribution unit
    • Coolant distribution unit
    • Control console
  • Large storage facilities
  • Telecommunications equipment
  • Cabinets
  • Air handling units

Caution

Verify that internal components have low vulnerability to vibrating motion. If internal components require vibration isolation, provide motion isolators in accordance with the manufacturer’s requirements.

Larger imageThrough-Floor Anchor System

Source: Noson, Perbix, SSD

Recommendation

Install seismic bracing or anchors for computer equipment with the following characteristics:

    Height
    Height is greater than 2-1/2 times the base width.

    Spacing
    Closely spaced or less than 18" apart on ground floor.

Consult a structural engineer for design of bracing or anchors.



Source: School Facilities Manual Nonstructural Protection Guide

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Created in the SCEC system Last modified: May 22 2007 15:33 © 2012 Southern California Earthquake Center @
Alliance