[Federal Register Volume 59, Number 144 (Thursday, July 28, 1994)]
[Unknown Section]
[Page ]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 94-18302]
[Federal Register: July 28, 1994]
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DEPARTMENT OF LABOR
Mine Safety and Health Administration
30 CFR Part 75
RIN 1219-AA11
Safety Standards for Underground Coal Mine Ventilation;
Amendments
AGENCY: Mine Safety and Health Administration, Labor.
ACTION: Final rule; technical amendments.
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SUMMARY: This document makes technical amendments to the final rule for
safety standards for underground coal mine ventilation that appeared in
the Federal Register on May 15, 1992 (57 FR 20868).
EFFECTIVE DATE: This regulation is effective July 28, 1994. The
incorporation by reference of certain publications listed in the
regulations is approved by the Director of the Federal Register as of
July 28, 1994.
FOR FURTHER INFORMATION CONTACT: Patricia W. Silvey, Director, Office
of Standards, Regulations and Variances, MSHA, phone (703) 235-1910.
SUPPLEMENTARY INFORMATION: On May 15, 1992, MSHA published a final rule
to revise its safety standards for underground coal mine ventilation.
This document makes nonsubstantive technical amendments to
Secs. 75.301, 75.333 (a), (d)(1), (e)(3) and (f) and 75.335 (a)(1)(iv)
and (a)(2). Sections 75.301, 75.333 (a), (d)(1), (e)(3) and (f) and
75.335 (a)(1)(iv) and (a)(2) are revised to include information
concerning the availability of the incorporated documents, where the
incorporated documents may be inspected, and the Federal Register
approval for incorporation by reference of the documents.
List of Subjects in 30 CFR Part 75
Incorporation by reference, Mine safety and health, Underground
coal mines, Ventilation.
Dated: July 20, 1994.
J. Davitt McAteer,
Assistant Secretary for Mine Safety and Health.
PART 75--MANDATORY SAFETY STANDARDS--UNDERGROUND COAL MINES
Subpart D--Ventilation
Accordingly, subpart D of part 75, subchapter O, chapter I, title
30 of the Code of Federal Regulations is corrected by making the
following technical amendments:
1. The authority citation for Part 75 continues to read as follows:
Authority: 30 U.S.C. 811, 957, and 961.
Sec. 75.301 [Amended]
2. In Sec. 75.301, the following definitions are revised to read as
follows:
* * * * *
Noncombustible Structure or Area. Describes a structure or area
that will continue to provide protection against flame spread for at
least 1 hour when subjected to a fire test incorporating an ASTM E119-
88 time/temperature heat input, or equivalent. The publication ASTM
E119-88, ``Standard Test Methods for Fire Tests of Building
Construction and Materials'' is incorporated by reference and may be
inspected at any Coal Mine Health and Safety District and Subdistrict
Office, or at MSHA's Office of Standards, 4015 Wilson Boulevard,
Arlington, VA, and at the Office of the Federal Register, 800 North
Capitol Street, NW., Suite 700, Washington, DC. In addition, copies of
the document can be purchased from the American Society for Testing
Materials (ASTM), 1916 Race Street, Philadelphia, Pennsylvania 19103.
This incorporation by reference was approved by the Director of the
Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
Noncombustible Material. Describes a material which when used to
construct a ventilation control results in a control that will continue
to serve its intended function for 1 hour when subjected to a fire test
incorporating an ASTM E119-88 time/temperature heat input, or
equivalent. The publication ASTM E119-88, ``Standard Test Methods for
Fire Tests of Building Construction and Materials'' is incorporated by
reference and may be inspected at any Coal Mine Health and Safety
District and Subdistrict Office, or at MSHA's Office of Standards, 4015
Wilson Boulevard, Arlington, VA, and at the Office of the Federal
Register, 800 North Capitol Street, NW., Suite 700, Washington, DC. In
addition, copies of the document can be purchased from the American
Society for Testing Materials (ASTM), 1916 Race Street, Philadelphia,
Pennsylvania 19103. This incorporation by reference was approved by the
Director of the Federal Register in accordance with 5 U.S.C. 552(a) and
1 CFR part 51.
* * * * *
Sec. 75.333 [Amended]
3. In Sec. 75.333, paragraphs (a), (d)(1), (e)(3), and (f) are
revised to read as follows:
(a) For purposes of this section; ``doors'' includes any
doorframes, and ``durable'' describes a material and construction
method that when used to construct a ventilation control results in a
control that is structurally equivalent to an 8-inch hollow-core
concrete block stopping with mortared joints as described in ASTM E72-
80, ``Standard Methods of Conducting Strength Tests of Panels for
Building Construction'' (Section 12--Transverse Load--Specimen
Vertical). This publication is incorporated by reference and may be
inspected at any Coal Mine Health and Safety District and Subdistrict
Office, or at MSHA's Office of Standards, 4015 Wilson Boulevard,
Arlington, VA, and at the Office of the Federal Register, 800 North
Capitol Street, NW., Suite 700, Washington, DC. In addition, copies of
the document can be purchased from the American Society for Testing
Materials (ASTM), 1916 Race Street, Philadelphia, Pennsylvania 19103.
This incorporation by reference was approved by the Director of the
Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
* * * * *
(d) * * *
(1) Made of noncombustible material or coated on all accessible
surfaces with flame-retardant material having a flame- spread index of
25 or less, as tested under ASTM E162-87, ``Standard Test Method for
Surface Flammability of Materials Using a Radiant Heat Energy Source.''
This publication is incorporated by reference and may be inspected at
any Coal Mine Health and Safety District and Subdistrict Office, or at
MSHA's Office of Standards, 4015 Wilson Boulevard, Arlington, VA, and
at the Office of the Federal Register, 800 North Capitol Street, NW.,
Suite 700, Washington, DC. In addition, copies of the document can be
purchased from the American Society for Testing Materials (ASTM), 1916
Race Street, Philadelphia, Pennsylvania 19103. This incorporation by
reference was approved by the Director of the Federal Register in
accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
* * * * *
(e) * * *
(3) When timbers are used to create permanent stoppings in heaving
or caving areas, the stoppings shall be coated on all accessible
surfaces with a flame-retardant material having a flame-spread index of
25 or less, as tested under ASTM E162-87, ``Standard Test Method for
Surface Flammability of Materials Using a Radiant Heat Energy Source.''
This publication is incorporated by reference and may be inspected at
any Coal Mine Health and Safety District and Subdistrict Office, or at
MSHA's Office of Standards, 4015 Wilson Boulevard, Arlington, VA, and
at the Office of the Federal Register, 800 North Capitol Street, NW.,
Suite 700, Washington, DC. In addition, copies of the document can be
purchased from the American Society for Testing Materials (ASTM), 1916
Race Street, Philadelphia, Pennsylvania 19103. This incorporation by
reference was approved by the Director of the Federal Register in
accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
* * * * *
(f) When sealants are applied to ventilation controls, the sealant
shall have a flame-spread index of 25 or less under ASTM E162-87,
``Standard Test Method for Surface Flammability of Materials Using a
Radiant Heat Energy Source.'' This publication is incorporated by
reference and may be inspected at any Coal Mine Health and Safety
District and Subdistrict Office, or at MSHA's Office of Standards, 4015
Wilson Boulevard, Arlington, VA, and at the Office of the Federal
Register, 800 North Capitol Street, NW., Suite 700, Washington, DC. In
addition, copies of the document can be purchased from the American
Society for Testing Materials (ASTM), 1916 Race Street, Philadelphia,
Pennsylvania 19103. This incorporation by reference was approved by the
Director of the Federal Register in accordance with 5 U.S.C. 552(a) and
1 CFR part 51.
* * * * *
Sec. 75.335 [Amended]
4. In Sec. 75.335, paragraphs (a)(1)(iv) and (a)(2) are revised to
read as follows:
(a)(1) * * *
(iv) Coated on all accessible surfaces with flame-retardant
material that will minimize leakage and that has a flame-spread index
of 25 or less, as tested under ASTM E162-87, ``Standard Test Method for
Surface Flammability of Materials Using a Radiant Heat Energy Source.''
This publication is incorporated by reference and may be inspected at
any Coal Mine Health and Safety District and Subdistrict Office, or at
MSHA's Office of Standards, 4015 Wilson Boulevard, Arlington, VA, and
at the Office of the Federal Register, 800 North Capitol Street, NW.,
Suite 700, Washington, DC. In addition, copies of the document can be
purchased from the American Society for Testing Materials (ASTM), 1916
Race Street, Philadelphia, Pennsylvania 19103. This incorporation by
reference was approved by the Director of the Federal Register in
accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
(2) Alternative methods or materials may be used to create a seal
if they can withstand a static horizontal pressure of 20 pounds per
square inch provided the method of installation and the material used
is approved in the ventilation plan. If the alternative methods or
materials include the use of timbers, the timbers also shall be coated
on all accessible surfaces with flame-retardant material having a
flame-spread index of 25 or less, as tested under ASTM E162-87,
``Standard Test Method for Surface Flammability of Materials Using a
Radiant Heat Energy Source.'' This publication is incorporated by
reference and may be inspected at any Coal Mine Health and Safety
District and Subdistrict Office, or at MSHA's Office of Standards, 4015
Wilson Boulevard, Arlington, VA, and at the Office of the Federal
Register, 800 North Capitol Street, NW., Suite 700, Washington, DC. In
addition, copies of the document can be purchased from the American
Society for Testing Materials (ASTM), 1916 Race Street, Philadelphia,
Pennsylvania 19103. This incorporation by reference was approved by the
Director of the Federal Register in accordance with 5 U.S.C. 552(a) and
1 CFR part 51.
* * * * *
[FR Doc. 94-18302 Filed 7-27-94; 8:45 am]
BILLING CODE 4510-43-P
