UFC 3 -520-01
June 10, 2002
CHAPTER 1
GENERAL
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PURPOSE.
1-1.1
This Unified Facilities Criteria (UFC) manual has been issued to provide
guidance for the design of interior electrical systems. The criteria contained herein are
intended to ensure economical, durable, efficient, and reliable systems and installations.
1-1.2
The following documents are superseded by this manual:
MIL -HDBK-1004/4, Electrical Utilization Systems.
TM 5-811-2, AFM 88-9-2, Electrical Design, Interior Electrical System .
AFMAN 32-1181, Design Standards for Facilities Interior Electrical Systems.
TM 5-811-14, Coordinated Power Systems Protection.
MIL -HDBK-1004/3, Switchgear and Relaying.
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SCOPE.
1-2.1
This manual provides guidance for the design of interior electrical systems.
Whenever unique conditions and problems are not specifically covered by this manual,
use the applicable referenced industry standards and other documents for design
guidance.
1-2.2
Modernization of electrical systems within existing facilities solely for the
purpose of meeting design criteria in this manual is not required. Upgrades or
modifications of existing facilities should consider the design criteria in this manual, b ut
it is not intended that an entire facility require modernization solely because of a minor
modification to a part of the facility.
1-2.3
Comply with the Occupational Safety and Health Administration (OSHA)
electrical system requirements, as applicable. The OSHA requirements also apply to
"major replacements, modifications, repairs, or rehabilitations", which includes work
similar to that involved when a new building or facility is built, a new wing is added, or
an entire floor is renovated.
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REFERENCES . Appendix A contains a list of references used in this manual.
References app licable to a specific topic are also listed and described in the appropriate
sections of this manual.
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