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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.




Equipment Racks

Purpose

To secure communication equipment racks.

Caution

  • The weight of the rack and equipment should not exceed 250 pounds.
  • When anchoring to post-tensioned slab, locate and avoid reinforcing.

Recommendation

    Racks Less Than 6 Feet:
    Bolt to the floor in all four corners.

    Racks More Than 6 Feet:
    Bolt to the floor in all four corners and add a brace to the top of the rack.

Supplies Required

  • Expansion bolts—1/2" diameter (concrete)
  • Lab bolts—1/2" diameter (wood)
  • Sheet metal screws—No. 12
  • Angle—2" x 2" x 1/4"

Larger imageStandard Equipment Rack

Source: Noson, Perbix, SSD

Installation

  1. Anchor the rack to the floor in each of the four corners.
  2. Install an angle brace at each end of the top of the rack to the adjacent wall or the structure above.
  3. Attach the angle brace to the rack using sheet metal screws.
  4. Attach the angle to the structure with lag bolts for wood and embed them into studs at least 2". (Do not attach to gypsum wallboard only.)
  5. OR
    Secure the angle to concrete with expansion bolts.

Installation

This detail assumes the following:

  • The rack meets the ANSI C 83.9-1972 and EIA RS-310-B Standard.
  • The rack strength is equivalent to Harris Corp., Dreacon Division brand rack.


Source: School Facilities Manual Nonstructural Protection Guide

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Created in the SCEC system Last modified: May 22 2007 15:30 © 2012 Southern California Earthquake Center @
Alliance