MSHA HANDBOOK SERIES
MSHA HANDBOOK SERIES . U.S. Department of Labor . Mine Safety and Health Administration . Mine Safety and Health Enforcement . December 2020 . Handbook Number: PH20-V-5 . ... Becker/SMC Model C-3100 or equivalent (used to verify compliance with 30 CFR 75.900 and 75.902) Set of flat feeler gauges (0.003, 0.004, 0.005, 0.007 and 0.009 inch) ...
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Chapter 14
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Federal Mine Safety & Health Act of 1977, Public Law 91 ...
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SAND, GRAVEL, AND CRUSHED STONE ON-THE-JOB …
arlweb.msha.govmaterials, such as phosphate, gypsum, weathered shales, etc. Impact crushers cannot handle as large a top sized material as jaw, or gyratory, crushers can; however, impact crushers …
MSHA HANDBOOK SERIES
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MSHA - Second Update on Failure of High Pressure Gas ...
arlweb.msha.govEquipment Alert – November 4, 2011 2nd Update on Failure of High Pressure Gas Fittings and Valves in Refuge Alternatives An Equipment Alert and an update have been issued regarding valve and fitting failures on breathable air components of refuge alternatives.
ARTICLE 430 - MOTORS, MOTOR CIRCUITS AND …
arlweb.msha.gov(4) The locked-rotor current if a polyphase motor or if a single phase motor having a full-load current more than 4.5 amperes at 230 volts or 9 amperes at 115 volts. (5) The words "Thermally Protected" if a thermal protector integral with the motor-compressor is provided. Exception: The full-load current may be marked on the
30 CFR Part 46 Starter Kit with Sample Training Plan
arlweb.msha.gov30 CFR Part 46 Starter Kit with Sample Training Plan U.S. Department of Labor Mine Safety and Health Administration National Mine Health and Safety Academy . Instruction Series Guide IG 36 . December 1999 Reprinted 2001 . Visit our website at . ... 43 Training Materials ...
INSPECTING AND REPLACING WIRE ROPES
arlweb.msha.govA cement plant worker was killed when the boom hoist rope of a mobile crane broke, dropping the crane boom on him. Much ofthe hazard of wire rope breakage can be eliminated by following a few simple safety rules: 1. Always assume a wire rope could break at anytime. 2. Do not work or pass under the buckets or booms of shovels, draglines, or cranes
WORKPLACE EXAMINATIONS
arlweb.msha.govMar 25, 2014 · other mines is a serious impediment to the future growth of the coal or other mining industry and cannot be tolerated . 30 CFR 56.18002 •Thorough and complete Workplace Examinations are a requirement and an invaluable tool to assure a safe and healthy workplace. Mine operator’s should diligently
ARTICLE 220 - BRANCH CIRCUIT AND FEEDER CALCULATIONS …
arlweb.msha.govTelephone Exchanges. Shall be waived for manual switchboards and switching frames in telephone exchanges. The provisions of Section 220-2(b) shall apply to all other ... fixed and portable appliances, each installation should be considered as to the load likely to be imposed and the capacity
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