DEPARTMENT OF THE ARMY
ETL 1110-3-412
CEMP-ET
U.S. Army Corps of Engineers
Washington D.C. 20314-1000
Engineer Technical
Letter 1110-3-412
20 October 1989
Engineering and Design
TRANSFORMER APPLICATION GUIDANCE
1. Purpose. This letter provides advance criteria for design
application of transformers, prior to update of current guide
specifications.
2. Applicability. This letter applies to all HQUSACE/OCE
elements and all field operating activities (FOA) having Army
military design and construction responsibility.
3. Action to be Taken. Pending update and publication of
permanent media guidance, the criteria provided in Enclosure 1
will be used as an interim design guidance for all transformer
applications.
4. Implementation. This letter will have special application as
defined in paragraph 6c, ER 1110-345-100.
FOR THE DIRECTOR OF MILITARY PROGRAMS:
Encl
HERBERT H. KENNON
Chief, Engineering Division
Directorate of Military Programs
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