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any collapse of a highwall in a surface mine;
the transportation of men, when such damage interferes with
its use for the transportation of men;
any physical event at a mine which causes death to
persons other than persons on the mine property.
Investigation by Bureau of Mines.
Following any notification received in accordance with
S 80.11, the Coal Mine Health and Safety District or Sub
district Manager shall determine whether an investigation of
the accident will be conducted by the Bureau of Mines.
he determines that an investigation will be conducted, he
shall promptly advise the operator of the approximate date
and time of such investigation and instruct him, to the
extent compatible with rescue and recovery work, to take
to preserve any evidence which might
assist in determining the cause or causes of the accident.
Subpart C--Operator's Investigation and
Records of Accidents
S 80.20 Scope.
Section 111(a) of the Federal Coal Mine Health and
Safety Act of 1969 (30 U.S.C. 821 (a)), requires that all
accidents shall be investigated by the operator or his agent
to determine the cause and the means of preventing a recur
rence, and that records of such accidents and investigations
shall be kept, and the information made available to the
Secretary or his representative, and the appropriate State
Section lll(a) of the Act also requires that such
records shall be open for inspection by interested persons
and that the records shall include man-hours worked and
shall be reported for periods determined by the Secretary
of the Interior.
The regulations in this Subpart c prescribe
the nature and the extent of the information to be included
in such records, and the period and manner in which reports
of accidents so recorded shall be submitted to the Secretary.
The operator's investigation shall develop sufficient
information to pinpoint in detail the initiating cause and
all subsequent or following events which contributed to or
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resulted in the accident.
Whenever possible working notes
made during the course of the investigation should be re
investigation entered in the first column of the "Daily
Ledger: Coal-Mine Accidents" required to be maintained by
Names, occupation at the time of the accident,
and pertinent occupational experience for all persons who
received disabling injuries and other injuries.
A narrative description of the accident, including
all pertinent related events prior to the accident; measurements of any dimension or clearance; type of equipment or
machinery; noise level, visibility, lighting (in general
terms); ; any identifiable human behavioral factors contri
buting to the accident; or any other element contributing
to or related to the accident.
A description of the steps taken, or to be
taken in the future to avoid a recurrence, including, where
appropriate, suggestions for modification or improvement in
operating rules and regulations, working rules and regula
tions, safety standards, modification of equipment, training
of personnel, or any other changes needed to prevent recur
rence of the accident.
Additional records shall be kept as follows of all
unintentional roof falls of a size that would restrict venti
lation or the passage of men:
A plot of the roof fall on a mine map.
A rough sketch or sketches of suitable scale
showing the dimensions of the fall, the type and location
of the roof support used, the type and thickness of the
strata above the coalbed, and a statement of the depth of
overburden in the affected area.
Abnormalities in the imme
diate roof structure also shall be located and described.
Maintenance of records.
The written records of investigations of accidents
required by this Subpart C shall be maintained at the mine
for a period of three years from the date of the accident
and shall be open for inspection by interested persons.
$ 80.24 Reporting of written records.
A report of the accidents recorded as required in this
Subpart C shall be made to the Bureau of Mines in the manner
described in Subpart D of this part.
Subpart D--Operator's Reports to the Bureau of Mines
Pursuant to section lll(b) of the Federal Coal Mine
Health and Safety Act (30 U.S.C. 821 (b)), the regulations in
this Subpart D prescribe additional records of accidents to
be maintained, the information to be recorded therein, and
the time and manner in which information on accidents is to
be reported to the Secretary of the Interior.
The operator of a coal mine shall maintain at the
mine office a "Daily ledger: Coal-Mine Accidents" (Form 6
1498) in which there shall be recorded for each accident, by
date of occurrence, specified information with respect to the