Commandant
United States Coast Guard
(G-PC-4)
U.S. Coast Guard
Washington, DC 20593
(202) 426-2368
COMDTINST M12550.11
7 MAR 1984
COMMANDANT INSTRUCTION M12550.11
Subj: Pay for Irregular or Intermittent Duty Involving Physical Hardship or Hazard
1. REFERENCES
.
a. Sections 5545 (d) and 5548 (d) of title 5, U.S. Code
b. FPM Supplement 990-1, Subpart I
c. FPM Supplement 990-2, Book 550, Subchapter S9
2. PURPOSE
. This Instruction provides information and instructions for the payment of
differentials for irregular or intermittent duty involving unusual physical hardship or hazard to
General Schedule (GS) employees.
3. DEFINITIONS
.
a. Duty involving physical hardship means a duty which may not itself be hazardous but
which causes extreme physical discomfort or distress and which is not adequately
alleviated by protective or mechanical devices, such as duty requiring exposure to extreme
temperature for a long period of time; a duty involving arduous physical exertion, such as
a duty which must be performed in cramped conditions; a duty involving exposure to
fumes, dust, or noise, which causes nausea, skin, eye, ear, or nose irritation.
b. Hazardous duty
means a duty performed under circumstances in which an accident could
result in serious injury or death, such as a duty performed on a high structure where
protective facilities are not used, or on an open structure where adverse conditions such as
darkness, lightning, sleet or snow, steady rain, or high wind velocity exists.
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