[Federal Register Volume 78, Number 186 (Wednesday, September 25, 2013)]
[Notices]
[Pages 59066-59068]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2013-23266]
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DEPARTMENT OF LABOR
Mine Safety and Health Administration
Petitions for Modification of Application of Existing Mandatory
Safety Standards
AGENCY: Mine Safety and Health Administration, Labor.
ACTION: Notice.
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SUMMARY: Section 101(c) of the Federal Mine Safety and Health Act of
1977 and 30 CFR part 44 govern the application, processing, and
disposition of petitions for modification. This notice is a summary of
petitions for modification submitted to the Mine Safety and Health
Administration (MSHA) by the parties listed below to modify the
application of existing mandatory safety standards codified in Title 30
of the Code of Federal Regulations.
DATES: All comments on the petitions must be received by the Office of
Standards, Regulations and Variances on or before October 25, 2013.
ADDRESSES: You may submit your comments, identified by ``docket
number'' on the subject line, by any of the following methods:
1. Electronic Mail: [email protected]. Include the docket
number of the petition in the subject line of the message.
2. Facsimile: 202-693-9441.
3. Regular Mail or Hand Delivery: MSHA, Office of Standards,
Regulations and Variances, 1100 Wilson Boulevard, Room 2350, Arlington,
Virginia 22209-3939, Attention: George F. Triebsch, Director, Office of
Standards, Regulations and Variances. Persons delivering documents are
required to check in at the receptionist's desk on the 21st floor.
Individuals may inspect copies of the petitions and comments during
normal business hours at the address listed above.
MSHA will consider only comments postmarked by the U.S. Postal
Service or proof of delivery from another delivery service such as UPS
or Federal Express on or before the deadline for comments.
FOR FURTHER INFORMATION CONTACT: Barbara Barron, Office of Standards,
Regulations and Variances at 202-693-9447 (Voice),
[email protected] (Email), or 202-693-9441 (Facsimile). [These are
not toll-free numbers.]
SUPPLEMENTARY INFORMATION:
I. Background
Section 101(c) of the Federal Mine Safety and Health Act of 1977
(Mine Act) allows the mine operator or representative of miners to file
a petition to modify the application of any mandatory safety standard
to a coal or other mine if the Secretary of Labor determines that:
1. An alternative method of achieving the result of such standard
exists which will at all times guarantee no less than the same measure
of protection afforded the miners of such mine by such standard; or
2. That the application of such standard to such mine will result
in a diminution of safety to the miners in such mine.
In addition, the regulations at 30 CFR 44.10 and 44.11 establish
the requirements and procedures for filing petitions for modification.
II. Petitions for Modification
Docket Number: M-2013-039-C.
Petitioner: Rock N Roll Coal Company, Inc., P.O. Box 142, Justice,
West Virginia 24851.
Mines: Mine No. 3, MSHA I.D. No. 46-08646 and Mine No. 7, MSHA I.D.
No. 46-09093, located in McDowell County, West Virginia.
Regulation Affected: 30 CFR 75.1101-1(b) (Deluge-type water spray
systems).
Modification Request: The petitioner requests a modification of the
existing standard to eliminate the use of blow-off dust covers for the
spray nozzles of a deluge-type water spray system. In support of the
alternative method, the petitioner proposes to continue performing the
weekly inspections and functional testing of the complete deluge-type
water spray system. The petitioner states that:
(1) The system consists of an average of thirty (30) sprays along
each of approximately ten primary belt-conveyor drives and an average
of sixty (60) sprays along each eight secondary drives.
(2) The company currently complies with the requirements of the
existing standard by providing each nozzle with a blow-off dust cover.
In view of the frequent inspections and functional testing of the
system, the dust covers are not necessary because nozzles can be
maintained in an unclogged condition through weekly use.
(3) It is burdensome to recap the large number of covers weekly
after each inspection and functional test.
The petitioner asserts that the alternative method will at all
times guarantee no less than the same measure of protection afforded
the miners employed at the Rock and Roll Coal Company, as the standard.
Docket Number: M-2013-040-C.
Petitioner: Blackwood Mining, 540 East Center Street, Ashland,
Pennsylvania 17921.
[[Page 59067]]
Mine: Mammoth Slope, MSHA I.D. No. 36-10062, located in Schuylkill
County, Pennsylvania.
Regulation Affected: 30 CFR 75.1100-2(a)(2) (Quantity and location
of firefighting equipment).
Modification Request: The petitioner requests a modification of the
existing standard to permit the use of portable fire extinguishers only
to replace existing requirements where rock dust, water cars, and other
water storage equipped with three 10-quart pails is not practical. The
petitioner states that:
(1) Equipping its small anthracite mine with two portable fire
extinguishers near the slope bottom and an additional portable fire
extinguisher within 500 feet of the working face will provide
equivalent fire protection.
(2) Anthracite coal is low in volatile matter and dust is not
explosive.
(3) The working section is at or below mine pool elevation with
frequent pumping required to de-water the work area.
(4) All up-pitch workings of moderate to steep pitch are accessed
only through ladders making the carrying of water in pails impractical.
(5) Electric face equipment is nonexistent in this hand-loading
anthracite mine and only air-operated equipment is used in or inby the
last open crosscut.
(6) The history of underground mines shows that fires occurring in
the working faces are nonexistent in recent years due to improved
explosives and low volatile matter in anthracite coal.
(7) This anthracite mine produces far less than the 300 ton per
shift criteria using the hand-loading method.
(8) Belt conveyor haulage is not used in this underground mine for
section/main haulage minimizing fire potential.
The petitioner asserts that the proposed alternative method will
provide no less than the same measure of protection afforded the miners
under the existing standard.
Docket Number: M-2013-041-C.
Petitioner: Blackwood Mining, 540 East Center Street, Ashland,
Pennsylvania 17921.
Mine: Mammoth Slope, MSHA I.D. No. 36-10062, located in Schuylkill
County, Pennsylvania.
Regulation Affected: 30 CFR 75.1200(d) & (i) (Mine maps).
Modification Request: The petitioner requests a modification of the
existing standard to permit the use of cross-sections in lieu of
contour lines on mine maps through the intake slope, at locations of
rock tunnel connections between veins, and at 1,000 feet intervals of
advance from the intake slope. In addition, the petitioner proposes to
limit the required mapping of mine workings above and below to those
present within 100 feet of the vein(s) being mined unless the veins are
interconnected to other veins beyond the 100 feet limit through rock
tunnels. The petitioner states that:
(1) Due to the steep pitch encountered in mining anthracite coal
veins, contours provide no useful information and their presence would
make portions of the map illegible.
(2) The use of cross-sections in lieu of contour lines has been
practiced since the late 1800's and provides critical information about
spacing between veins and proximity to other mine workings, which
fluctuate considerably.
(3) The vast majority of current underground anthracite mining
involves either second mining of remnant pillars from previous mining
or the mining of veins of lower quality in proximity to inaccessible
and frequently flooded abandoned mine workings that may or may not be
mapped.
(4) All mapping for mines above and below is researched by the
petitioner's contract engineer for the presence of interconnecting rock
tunnels between veins in relation to the mine, and a hazard analysis is
done when mapping indicates the presence of known or potentially
flooded workings.
(5) When no rock tunnel connections are found, mine workings that
exist beyond 100 feet from the mine, are recognized as presenting no
hazard to the mine due to the pitch of the vein and rock separation.
(6) Additionally, the mine workings above and below are usually
inactive and abandoned and, therefore, are not usually subject to
changes during the life of the mine.
(7) Where evidence indicates prior mining was conducted on a vein
above or below and research exhausts the availability of mine mapping,
the vein will be considered mined and flooded and appropriate
precautions will be taken through Sec. 75.388, which addresses
drilling boreholes in advance of mining, where possible.
(8) Where potential hazards exist and in-mine drilling capabilities
limit penetration, surface boreholes may be used to intercept the
workings and the results analyzed prior to beginning mining in the
affected area.
The petitioner asserts that the proposed alternative method will
provide no less than the same measure of protection afforded the miners
under the existing standard.
Docket Number: M-2013-042-C.
Petitioner: Blackwood Mining, 540 East Center Street, Ashland,
Pennsylvania 17921.
Mine: Mammoth Slope, MSHA I.D. No. 36-10062, located in Schuylkill
County, Pennsylvania.
Regulation Affected: 30 CFR 75.1202-1(a) (Temporary notations,
revisions and requirements).
Modification Request: The petitioner requests a modification of the
existing standard to permit the interval of survey to be established on
an annual basis from the initial survey in lieu of every 6 months as
required. The petitioner proposes to continue to update the mine map by
hand notations on a daily basis and conduct subsequent surveys prior to
commencing retreat mining, and whenever either a drilling program under
Sec. 75.388 or plan for mining into inaccessible areas under Sec.
75.389 is required. The petitioner states that:
(1) The low production and slow rate of advance in anthracite
mining make surveying on 6-month intervals impractical. In most cases
annual development is frequently limited to less than 500 feet of
gangway advance with associated up-pitch development.
(2) The vast majority of small anthracite mines are non-mechanized
and use hand-loading mining methods.
(3) Development above the active gangway is designed to mine into
the level above at designated intervals thereby maintaining sufficient
control between both surveyed gangways.
(4) The available engineering/surveyor resources are limited in the
anthracite coal fields and surveying on an annual basis is difficult to
achieve with four individual contractors currently available.
The petitioner asserts that the proposed alternative method will
provide no less than the same measure of protection afforded the miners
under the existing standard.
Docket Number: M-2013-043-C.
Petitioner: Blackwood Mining, 540 East Center Street, Ashland,
Pennsylvania 17921.
Mine: Mammoth Slope, MSHA I.D. No. 36-10062, located in Schuylkill
County, Pennsylvania.
Regulation Affected: 30 CFR 75.1400 (Hoisting equipment; general).
Modification Request: The petitioner seeks to permit the use of a
slope conveyance (gunboat) to transport persons without safety catches
or other no less effective devices but instead use an increased rope
strength/safety factor and secondary safety rope connection in place of
such devices. The petitioner states that:
(1) The haulage slope of the Mammoth Mine is typical of those in
the anthracite region, having a relatively high angle and frequently
changing pitches.
[[Page 59068]]
(2) A functional safety catch capable of working in slopes with
knuckles and curves is not commercially available. If a makeshift
device is installed it would activate on knuckles or curves when no
emergency existed, causing a tumbling effect on the conveyance which
would increase rather than decrease the hazard to miners.
(3) A safer alternative is to operate the man cage or steel gunboat
with secondary safety connections securely fastened around the gunboat
and to the hoisting rope above the main connecting device and use
hoisting ropes having a factor of safety greater than the American
Standards Specifications for the Use of Wire Rope in Mines.
(4) Furthermore, the slope and haulage system at this mine are
essentially the same as those to which petitions granting the use of
the alternative suggestion have been approved since 1973.
The petitioner asserts that the proposed alternative method will
provide no less than the same measure of protection afforded the miners
under the existing standard.
Docket Number: M-2013-044-C.
Petitioner: Rosebud Mining Company, P.O. Box 1025, Northern
Cambria, Pennsylvania 15714.
Mines: Parkwood Mine, MSHA I.D. No. 36-08785, located in Armstrong
County, Pennsylvania and Kocjancic Mine, MSHA I.D. No. 36-09436,
located in Jefferson County, Pennsylvania.
Regulation Affected: 30 CFR 75.503 (Permissible electric face
equipment; maintenance), 30 CFR 18.35(a)(5)(i)(ii) (Portable (trailing)
cables and cords).
Modification Request: The petitioner requests a modification of the
existing standard to permit the use of 480-volt trailing cables with a
maximum length of 1200 feet when No. 2 American Gauge Wire (AWG) cable
is used and 480-volt trailing cables with a maximum length of 950 feet
when No. 4 AWG cable is used on roof bolters. The petitioner states
that:
(1) The trailing cable for the 480-volt roof bolters will not be
smaller than No. 4 AWG cable.
(2) All circuit breakers used to protect the No. 2 AWG trailing
cable and No. 4 AWG trailing cable exceeding 700 feet in length will
have instantaneous trip units calibrated to trip at 500 amperes. The
trip setting of these circuit breakers will be sealed to insure that
the settings on these breakers cannot be changed, and these breakers
will have permanent, legible labels. Each label will identify the
circuit breaker as being suitable for protecting the cables.
(3) Replacement circuit breakers and/or instantaneous trip units
used to protect No. 2 AWG trailing cable or No. 4 AWG trailing cable
will be calibrated to trip at 500 amperes and will be sealed.
(4) All components that provide short-circuit protection will have
a sufficient interruption rating in accordance with the maximum
calculated fault currents available.
(5) During each production day, the trailing cables, and the
circuit breakers will be examined in accordance with all 30 CFR
provisions.
(6) Permanent warning labels will be installed and maintained on
the load center to identify the location of each sealed short-circuit
protection device. These labels will warn miners not to change or alter
the sealed short-circuit settings of these devices.
(7) If the affected trailing cables are damaged in any way during
the shift, the cable will be de-energized and repairs made.
(8) The petitioner's alternative method will not be implemented
until all miners who have been designated to operate the bolters, or
any other person designated to examine the trailing cables or trip
settings on the circuit breakers have received proper training as to
the performance of their duties.
(9) Within 60 days after this proposed decision and order becomes
final, the proposed revisions for the petitioner's approved 30 CFR part
48 training plan will be submitted to the District Manager. The
training plan will include the following:
(a) The hazards of setting the short-circuit device(s) too high to
adequately protect the trailing cables.
(b) How to verify that the circuit interrupting device(s)
protecting the trailing cable(s) are properly set and maintained.
(c) Mining methods and operating procedures for protecting the
trailing cables against damage.
(d) Proper procedures for examining the trailing cables to ensure
safe operating condition by visual inspection of the entire cable,
observing the insulation, the integrity of the splices, nicks and
abrasions.
The petitioner further states that procedures specified in 30 CFR
48.3 for proposed revisions to approved training plans will apply.
The petitioner asserts that the alternative method will guarantee
no less than the same measure of protection for all miners than that of
the existing standard.
Dated: September 19, 2013.
George F. Triebsch,
Director, Office of Standards, Regulations and Variances.
[FR Doc. 2013-23266 Filed 9-24-13; 8:45 am]
BILLING CODE 4510-43-P