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refuge chambers provide so many services, they can be very complicated and difficult to operate. Therefore, NIOSH has created this document with suggestions for developing ... include refuge alternatives, locations of safety, and safe havens. This document is designed to be read either cover to cover or by specific section. It is
The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an …
Since the refuge alternatives rule became effective on March 2, 2009, refuge alternatives have been placed in underground coal mines across the country. During this time, mine operators, miners, manufacturers, MSHA, state governments, NIOSH, and other parties have gained experience with training miners under the existing …
30 CFR Subpart L - Refuge Alternatives . CFR ; prev next § 7.501 Purpose and scope. § 7.502 Definitions. § 7.503 Application requirements. § 7.504 Refuge alternatives and components; general requirements. § 7.505 Structural components. § 7.506 Breathable air components.
Miners presently use three types of refuge alternatives: mobile steel, mobile inflatable tent and built-in-place (BIP). Considering the importance of equipping RAs well for emergencies, this article reviews the Mine Safety and Health Administration (MSHA) regulations for food, water and waste disposal/sanitation in RAs. ...
Abstract. Since in nature there are species that take refuge, totally or proportionally, from the predator if the prey population size exceeds a threshold value, and become available again to the predator, with linear predator functional response, if its population size is higher than the threshold value, in this work we show all the changes …
(1) A two-way communication facility that is a part of the mine communication system, which can be used from inside the refuge alternative; and accommodations for an additional communication system and other requirements as defined in the communications portion of the operator's approved Emergency Response Plan.
Underground refuge alternatives require an air source to supply breathable air to the occupants. This requires pressure relief valves to prevent unsafe pressures from building up within the refuge alternative. The U.S. Mine Safety and Health Administration (MSHA) mandates that pressure relief valves prevent pressure from exceeding 1.25 kPa …
Alternatives can also provide an answer to conflicts that arrive between host countries and refugees. The clash of cultures that often occurs can alienate refugees and disrupt the host country's citizens. A camp only exacerbates this problem by further isolating each group without taking either's concerns into account. A key focus for ...
MSHA published a final rule on refuge alternatives on December 31, 2008 (73 FR 80656), establishing requirements for refuge alternatives in underground coal mines. On January 13, 2009, the United Mine Workers of America (UMWA) petitioned the U.S. Court of Appeals for the District of Columbia Circuit (Court) to review MSHA's …
Oxygen shall be maintained at 18.5 to 23 percent. (j) Refuge alternatives shall contain a fire extinguisher that—. (1) Meets the requirements for portable fire extinguishers used …
Although refuge alternatives (RAs) have been required in underground mines for nearly 10 years, knowledge gaps remain in several areas. With respect to heat buildup within RAs, concerns remain related to the appropriate heat input to represent miners in an RA, the appropriate heat stress metric to protect miners in a refuge …
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(1) Refuge alternatives shall provide at least 15 square feet of floor space per person and 30 to 60 cubic feet of volume per person according to the following chart. The airlock can be included in the space and volume if waste is disposed outside the refuge alternative.
(a) The Emergency Response Plan (ERP) shall include the following for each refuge alternative and component: (1) The types of refuge alternatives used in the mine, i.e., …
07-LCA130018 MineARC Systems America, LLC Breathable Air 12/13/2013 Breathable Air Component Model CS-BAS7-12-CR 07-LCA130007-2 A.L. Lee Corporation
MSHA STANDARDS FOR RATIONS IN REFUGE ALTERNATIVE Food, water and waste disposal requirements are stipulated in the mandatory mine safety standards promulgated by …
(a) Each operator shall provide refuge alternatives and components as follows: (1) Prefabricated self-contained units, including the structural, breathable air, air monitoring, and harmful gas removal components of the unit, shall be approved under 30 CFR part 7; and (2) The structural components of units consisting of 15 psi stoppings constructed …
In 2008, the Mine Safety and Health Administration (MSHA) mandated refuge alternatives (RAs) in underground coal mines. For RAs, federal regulations specify a design pressure of 103.4 kPa (15 psi).
MSHA has developed a range of costs for these breathable air options. The agency estimates that for most mines, alternative 1 would cost between $100,000 and …
The NIOSH Office of Mine Safety and Health Research has just published two new Report of Investigations (RIs) on refuge alternatives used in underground coal mines. The research that drove these two reports was a follow-up to NIOSH OMSHR's 2007 Research Report on Refuge Alternatives for Underground Coal Mines. This report …
The table below shows one possible way to conduct refuge training over the course of a year. We suggest starting by using "Emergency Escape and Refuge Alternatives" to provide an introductory overview of what miners need to know about emergency escape and refuge alternatives. Following this overview, trainers should …
The MineSAFE Compact Design Refuge Chamber can be taken virtually anywhere, anytime; providing personnel with an emergency safe-refuge alternative in every part of the underground mine. Personnel situated directly at the working face (e.g. drill operators) run the risk of being trapped behind a fire or other hazard further up the decline.
NIOSH's recent research on refuge alternatives was limited to underground coal mine applications. Historical-ly, the use of refuge alternatives has been more prevalent in …
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According to the Mine Safety and Health Administration (MSHA), on January 9, 2011, a catastrophic failure occurred in an oxygen cylinder fitting connected to the breathable air system in a refuge alternative located in an underground coal mine. The refuge alternative was an inflatable tent design manufactured by the A.L. Lee Corporation, …
Refuge Alternative Software and Guidance for Underground Coal Mines Supplemental Information. Keywords: Refuge chambers. Temperature, Humidity, and Thermoregulation. In-Mine Experimental Investigation of Temperature Rise and Development of a Validated Thermal Simulation Model of a Mobile Refuge Alternative
The agency estimates that for most mines, alternative 1 would cost between $100,000 and $500,000. MSHA estimates that the difference in cost between 48 hours worth of provisions and 96 hours worth of provisions is $5,000 for 10-person refuge alternatives and $10,000 for 20-person refuge alternatives for alternative 2.
NIOSH Research on Refuge Alternatives for Underground Coal Mines. Report this article Dave Yantek Dave Yantek Lead Research Engineer at The National Institute for Occupational Safety and Health ...
The 2021 meetings of the Refuge Alternative Partnership were held on November 17-18. Agenda. Click on presentation title links below to view the presented slides in PDF format. Presentation file hosting courtesy of the Joseph A. Holmes Safety Association website. Day 1: Wednesday 11/17. Time Topic Presenter; 11:00 AM:
Since in nature there are species that take refuge, totally or proportionally, from the predator if the prey population size exceeds a threshold value, and become available again to the predator, with linear predator functional response, if its population size is higher than the threshold value, in this work we show all the changes in the dynamics …
Built-in-place (BIP) refuge alternatives (RAs) are designed to provide a secure space for miners who cannot escape during a mine emergency. Heat and humidity buildup within RAs may expose miners to physiological hazards such as heat stress. To minimize the risk of heat stress, Title 30 Code of Federal Regulations (CFR), or 30 CFR, …
This paper highlights research by NIOSH and recommendations concerning refuge alternatives, survivability evaluations of refuge chambers and presents a brief review of the current deployment of refuge chambers in underground coal mines in the U.S. The research has lead to the conclusion that refuge alternatives have the potential for …
Effects of mine strata thermal behavior and mine initial temperatures on mobile refuge alternative temperature
Mining Feature: Announcing Two New Sister Publications on Refuge Alternatives. Thursday, March 27, 2014. The NIOSH Office of Mine Safety and Health Research has just published two new Report of …