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This committee report contains information on seismic exposure, design and installation practices that may be used to improve the seismic performance of communication systems. The suggested practices are born of years of design, analysis, equipment testing and installation, inspection trips, and post-earthquake reconnaissance surveys. While communication systems have been shown to be robust in comparison to other lifeline systems such as electric power and gas, a number of significant earthquakes have affected them since the San Fernando earthquake of 1971. The information in this report can be used to identify these vulnerabilities. It reviews methods for determining seismic hazards in different parts of the country; describes central office facilities and equipment, outside plants, and wireless systems; identifies each of the major elements that make up the facilities; and, finally, reviews the earthquake performance of these elements and recommended practices. With the coverage of these technical areas, this document can serve as a practical introduction to seismic engineering of communication systems or as a checklist by facility managers to assess the earthquake readiness of an installation.

Telecommunication systems --- Earthquake resistant design. --- Communication systems --- Seismic tests --- Seismic design --- Earthquakes --- Cables --- Equipment and machinery --- Electrical systems --- Electric power --- Security measures.

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The bombing of the Alfred P. Murrah Federal Office Building in Oklahoma City in 1995 caused massive structural damage. This book documents the incident from the structural engineer's perspective, covering the weapon used, the specific damage sustained, and vulnerabilities inherent in the building's design. The authors, who were closely involved in events immediately after the blast, describe the initial hazard assessment, offer a chronological log of engineering activities, and present a guide to building collapse evaluation. They also recount the hazard mitigation steps taken during the rescue and recovery process. This book describes principles and practical methods for deterring explosive threats and mitigating damage for both new and existing buildings. The authors emphasize cost-effective measures that maintain the architectural integrity of facilities while providing a higher level of protection for the occupants in case of a catastrophic event. This book provides an ideal reference for the building owner, security specialist, engineer, or architect planning to limit risks for new or existing buildings.

Building, Bombproof. --- Buildings --- Oklahoma City Federal Building Bombing, Oklahoma City, Okla., 1995. --- Building design --- Explosions --- Government buildings --- Buildings --- Mitigation and remediation --- Disasters and hazards --- Existing buildings --- Seismic design --- Oklahoma --- United States --- Blast effects.