Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and IndexDivision of the Federal Register, the National Archives, 2002 Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries. |
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Page 16
... Ventilation Tubing §7.21 Purpose and effective date . This subpart establishes the specific requirements for approval of brattice cloth and ventilation tubing . It is ef- fective August 22 , 1988. Applications for approval or extension ...
... Ventilation Tubing §7.21 Purpose and effective date . This subpart establishes the specific requirements for approval of brattice cloth and ventilation tubing . It is ef- fective August 22 , 1988. Applications for approval or extension ...
Page 17
... ventilation tubing ( for ex- ample , fiberglass , plastic , or poly- ethylene ) . ( 5 ) Inside diameter , configuration , and average wall thickness . ( 6 ) Suspension system ( for example , metal hooks ) . ( 7 ) Base material : type ...
... ventilation tubing ( for ex- ample , fiberglass , plastic , or poly- ethylene ) . ( 5 ) Inside diameter , configuration , and average wall thickness . ( 6 ) Suspension system ( for example , metal hooks ) . ( 7 ) Base material : type ...
Page 18
... ventilation tubing . ( a ) Test procedures . ( 1 ) Prepare 6 sam- ples of ventilation tubing 48 inches in length with all flared or thickened ends removed . Any sample with a cross - sec- tional dimension greater than 24 inches must be ...
... ventilation tubing . ( a ) Test procedures . ( 1 ) Prepare 6 sam- ples of ventilation tubing 48 inches in length with all flared or thickened ends removed . Any sample with a cross - sec- tional dimension greater than 24 inches must be ...
Page 19
... ventilation tubing shall be legibly and permanently marked on each section with the assigned MSHA approval number . ( c ) An approved product shall be mar- keted only under a brand or trade name that has been furnished to MSHA . $ 7.30 ...
... ventilation tubing shall be legibly and permanently marked on each section with the assigned MSHA approval number . ( c ) An approved product shall be mar- keted only under a brand or trade name that has been furnished to MSHA . $ 7.30 ...
Page 20
... ventilation openings shall be no less than the value determined by the fol- lowing formula : ( N ) ( R ) 950 = = M N = Number of cells in battery box . R = Rated 6 hour battery capacity in ampere hours . M = Total minimum ventilation ...
... ventilation openings shall be no less than the value determined by the fol- lowing formula : ( N ) ( R ) 950 = = M N = Number of cells in battery box . R = Rated 6 hour battery capacity in ampere hours . M = Total minimum ventilation ...
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Administration amended application approval audiogram battery belt blasting borehole brakes certified person chemical circuit circuit breakers clearance coal components conductors conveyors deenergized designated detonating cord detonators devices diesel diesel particulate matter District Manager drill Electrical conductors enclosure engine escapeway examination exhaust exhaust gas explosive material facilities Federal Federal Acquisition Regulation feet fire suppression flame arrester flammable fuel fuse ground hazard health and safety high-voltage hoist inches inspection installed insulated intake intrinsically safe June 29 least loading machine maintained maximum means ment metal methane miners mines minimum mobile equipment MSHA Nonmetal OMB number operator paragraph percent pressure procedures protection record requirements respirable dust revised roof rope safe Safety and Health safety fuse sampling Secretary shaft specified standard storage Subpart surface temperature tion trailing cables trolley underground unit ventilation voltage wires
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Page 696 - Planning and Development, Office of Assistant Secretary for Community Services, Office of Comptroller of the Currency Construction Industry Collective Bargaining Commission Consumer Product Safety Commission Cooperative State Research, Education, and Extension Service Copyright Office...
Page 687 - National Counter-intelligence Center (Parts 1800—1899) XIX Central Intelligence Agency (Parts 1900—1999) XX Information Security Oversight Office, National Archives and Records Administration (Parts 2000—2099) XXI National Security Council (Parts 2100—2199...
Page 572 - Manager shall, if he determines that the operator cannot meet the location requirements of §75.1712-6 with respect to any or all of the working places in the mine because of the coal seam thickness or because of other physical restriction, issue a waiver of the requirements of this section and designate an alternative site for installation of such facilities. The waiver issued shall specify each working place to which it shall apply, set forth the reasons for such waiver, and the reasons for designation...
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Page 257 - Circuit breaker means a device designed to open and close a circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent setting without injury to itself when properly applied within its rating.
Page 193 - Every party shall have the right to present his case or defense by oral or documentary evidence, to submit rebuttal evidence, and to conduct such cross-examination as may be required for a full and true disclosure of the facts.
Page 370 - Nonferrous. II Material Specifications— Part C— Welding Rods, Electrodes, and Filler Metals. IV Heating Boilers. V Nondestructive Examination. VI Recommended Rules for Care and Operation of Heating Boilers. VII Recommended Rules for Care of Power Boilers. (2) The National Board Inspection Code, a Manual for Boiler and Pressure Vessel Inspectors, 1979, published by the National Board of Boiler and Pressure Vessel Inspectors. CHAPTER AND TITLE I Glossary of Terms.
Page 288 - These gauges, devices and piping shall be designed, installed, operated, maintained, repaired, altered, inspected, and tested by inspectors holding a valid National Board Commission and in accordance with the following listed sections, chapters and appendices: (1) The ASME Boiler and Pressure Vessel Code, 1977, Published by the American Society of Mechanical Engineers. SECTION AND TITLE I Power Boilers. II Material Specifications— Part A— Ferrous. II Material Specifications — Part B— Nonferrous....
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Page 627 - ... 77.808 Disconnecting devices. Disconnecting devices shall be installed at the beginning of each branch line in high-voltage circuits and they shall be equipped or designed in such a manner that it can be determined by visual observation that the circuit is deenergized when such devices are open.