30 CFR § 75.360
(a)(1) Except as provided in paragraph (a)(2) of this section,
a certified person designated by the operator must make a preshift examination
within 3 hours preceding the beginning of any 8-hour interval during which any
person is scheduled to work or travel underground. No person other than
certified examiners may enter or remain in any underground area unless a
preshift examination has been completed for the established 8-hour interval. The
operator must establish 8-hour intervals of time subject to the required
(2) Preshift examinations of areas where pumpers are scheduled to work or travel shall not be required prior to the pumper entering the areas if the pumper is a certified person and the pumper conducts an examination for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, tests for methane and oxygen deficiency, and determines if the air is moving in its proper direction in the area where the pumper works or travels. The examination of the area must be completed before the pumper performs any other work. A record of all hazardous conditions and violations of the mandatory health or safety standards found by the pumper shall be made and retained in accordance with §75.363
of this part.
(b) The person conducting the preshift examination shall examine for hazardous conditions and violations of the mandatory health or safety standards referenced in paragraph (b)(11) of this section, test for methane and oxygen deficiency, and determine if the air is moving in its proper direction at the following locations:
(1) Roadways, travelways and track haulageways where persons are
scheduled, prior to the beginning of the preshift examination, to work or
travel during the oncoming shift.
(2) Belt conveyors that will be used to transport persons during the
oncoming shift and the entries in which these belt conveyors are located.
(3) Working sections and areas where mechanized mining equipment is
being installed or removed, if anyone is scheduled to work on the section or
in the area during the oncoming shift. The scope of the examination shall
include the working places, approaches to worked-out areas and ventilation
controls on these sections and in these areas, and the examination shall
include tests of the roof, face and rib conditions on these sections and in
(4) Approaches to worked-out areas along intake air courses and at the
entries used to carry air into worked-out areas if the intake air passing the
approaches is used to ventilate working sections where anyone is scheduled to
work during the oncoming shift. The examination of the approaches to the
worked-out areas shall be made in the intake air course immediately inby and
outby each entry used to carry air into the worked-out area. An examination
of the entries used to carry air into the worked-out areas shall be conducted
at a point immediately inby the intersection of each entry with the intake
(5) Seals along intake air courses where intake air passes by a seal
to ventilate working sections where anyone is scheduled to work during the
(6)(i) Entries and rooms developed after November 15, 1992, and
developed more than 2 crosscuts off an intake air course without permanent
ventilation controls where intake air passes through or by these entries or
rooms to reach a working section where anyone is scheduled to work during
the oncoming shift; and,
(ii) Entries and rooms developed after November 15, 1992, and
driven more than 20 feet off an intake air course without a crosscut and
without permanent ventilation controls where intake air passes through or by
these entries or rooms to reach a working section where anyone is scheduled
to work during the oncoming shift.
(7) Areas where trolley wires or trolley feeder wires are to be or
will remain energized during the oncoming shift.
(8) High spots along intake air courses where methane is likely to
accumulate, if equipment will be operated in the area during the shift.
(9) Underground electrical installations referred to in
, except those pumps listed in
through (b)(6), and areas
where compressors subject to §75.344
if the electrical installation or compressor is or will be energized during
(10) Other areas where work or travel during the oncoming shift is
scheduled prior to the beginning of the preshift examination.
(11) Preshift examinations shall include examinations to identify violations of the standards listed below:
(i) § § 75.202(a) and 75.220(a)(1) — roof control;
(ii) § § 75.333(h) and 75.370(a)(1) — ventilation, methane;
(iii) § § 75.400 and 75.403 — accumulations of combustible materials and application of rock dust;
(iv) § 75.1403 — other safeguards, limited to maintenance of travelways along belt conveyors, off track haulage roadways, and track haulage, track switches, and other components for haulage;
(v) § 75.1722(a) — guarding moving machine parts; and
(vi) § 75.1731(a) — maintenance of belt conveyor components.
(c) The person conducting the preshift examination shall determine the
volume of air entering each of the following areas if anyone is scheduled to
work in the areas during the oncoming shift:
(1) In the last open crosscut of each set of entries or rooms on each
working section and areas where mechanized mining equipment is being
installed or removed. The last open crosscut is the crosscut in the line of
pillars containing the permanent stoppings that separate the intake air
courses and the return air courses.
(2) On each longwall or shortwall in the intake entry or entries at
the intake end of the longwall or shortwall face immediately outby the face
and the velocity of air at each end of the face at the locations specified in
the approved ventilation plan.
(3) At the intake end of any pillar line--
(i) If a single split of air is used, in the intake entry furthest
from the return air course, immediately outby the first open crosscut outby
the line of pillars being mined; or
(ii) If a split system is used, in the intake entries of each split
immediately inby the split point.
(d) The person conducting the preshift examination shall check the
refuge alternative for damage, the integrity of the tamper-evident seal
and the mechanisms required to deploy the refuge alternative, and the
ready availability of compressed oxygen and air.
(e) The district manager may require the operator to examine other areas of the mine or examine for other hazards and violations of other mandatory health or safety standards found during the preshift examination.
At each working place examined, the person
doing the preshift examination shall certify by initials, date, and the time,
that the examination was made. In areas required to be examined outby a
working section, the certified person shall certify by initials, date, and
the time at enough locations to show that the entire area has been
A record of the results of each preshift examination, including a record of hazardous conditions and violations of the nine mandatory health or safety standards and their locations found by the examiner during each examination, and of the results and locations of air and methane measurements, shall be made on the surface before any persons, other than certified persons conducting examinations required by this subpart, enter any underground area of the mine. The results of methane tests shall be recorded as the percentage of methane measured by the examiner. The record shall be made by the certified person who made the examination or by a person designated by the operator. If the record is made by someone other than the examiner, the examiner shall verify the record by initials and date by or at the end of the shift for which the examination was made. A record shall also be made by a certified person of the action taken to correct hazardous conditions and violations of mandatory health or safety standards found during the preshift examination. All preshift and corrective action records shall be countersigned by the mine foreman or equivalent mine official by the end of the mine foreman's or equivalent mine official's next regularly scheduled working shift. The records required by this section shall be made in a secure book that is not susceptible to alteration or electronically in a computer system so as to be secure and not susceptible to alteration.
(h) Retention period.
Records shall be retained at a surface
location at the mine for at least 1 year and shall be made available for
inspection by authorized representatives of the Secretary and the
representative of miners.