CEMP-E
TI 809-51
30 September 1999
CHAPTER 1
INTRODUCTION
1-1. Purpose and Scope.
a. Purpose. The purpose of this document is to provide procedures for the assessment
of the relative seismic vulnerability of a large inventory of buildings at a military installation. The
structural systems of each building or groups of structurally similar buildings in the inventory are
reviewed to obtain a numerical score. The scores obtained for all buildings or groups in the
inventory are recorded in numerical order in an Installation Report to provide a numerical
ranking of the seismic vulnerability of the buildings. This ranked list will provide a basis by
which military installations can determine the order for performing seismic evaluations. Other
building-specific aspects to consider in conjunction with this review should include: general
condition, known site-specific seismic geologic hazards, occupancy type, number of occupants,
year built, plans for future use, and availability of alternative buildings (redundancy of function).
b. Scope
(1) Basis of procedures. The seismic review procedures for structural systems were
developed by modifying the screening procedures in FEMA 154.
(2) Application. The procedures in this document are intended only for the purposes
indicated above, and are not intended to supersede or replace the provisions of TI 809-05 for
the evaluation and rehabilitation of military buildings.
(3) Limitations. Review of site-specific seismic geologic hazards and nonstructural
components and systems is beyond the scope of these procedures.
1-2.
Applicability. These instructions are applicable to all USACE elements and their
contractors assessing buildings for seismic vulnerability at military installations.
1-3.
References.
FEMA 154, Rapid Visual Screening of Buildings for Potential Seismic Hazards: A
Handbook.
FEMA 310, Handbook for the Seismic Evaluations of Buildings.
TI 809-05, Seismic Evaluation and Rehabilitation for buildings.
1-1
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