Mining Feature: 2021 Refuge Alternative Partnership Meeting

Wednesday, November 17, 2021

refuge alternative partnership meeting bannerThe 2021 meetings of the Refuge Alternative Partnership were held on November 17-18.


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 Welcome George Luxbacher, NIOSH
11:05 AM BCOA comments Monty Cooper
11:10 AM UMWA comments TBD
11:15 AM NMA comments TBD
11:20 AM MSHA comments Melanie Calhoun
11:25 AM NIOSH PMRD comments Steve Sawyer, Jr.
11:30 AM Introduction: Broad Overview of Topics to Be Presented Dave Yantek, NIOSH
11:35 AM Effect of Explosion Pressure Time Waveforms on Built-in-place Refuge Alternative Stopping/Door Response Dave Yantek, NIOSH
11:50 AM Built-in-place Refuge Alternative Door Blast Analysis and Design Modifications Dave Yantek, NIOSH
12:05 PM Safe Haven Door Evaluation Under Blast Loading Kyle Perry, Missouri S&T
12:25 PM Break
12:40 PM Built-in-place Refuge Alternative Pressure Relief Valve Cracking Pressure and Flow Rate Versus Pressure Drop John Homer, NIOSH
12:55 PM Blast Testing of Built-in-place Refuge Alternative Pressure Relief Valves John Homer, NIOSH
1:15 PM Development of Gas Explosion Testing of Pressure Relief Valves for Refuge Alternatives - Video Jhon Silva, University of Kentucky
1:35 PM Westmoreland Coal Petition for Modification for Built-in-place Refuge Alternatives Dave Hales, Westmoreland Coal
1:55 PM Break
2:10 PM Development of a Cryogenic Air Supply Evaluation Laboratory and the Human Breathing Simulator Dave Yantek, NIOSH
2:25 PM Evaluation of a Cryogenic Air Supply as a Breathable Air Supply for Refuge Alternatives Lincan Yan, NIOSH
2:40 PM Cryogenic Air Supply Storage Time after a Loss of Electrical Power Lincan Yan, NIOSH
2:55 PM Evaluation of the 12.5 cfm/Miner Requirement for Refuge Alternatives Supplied with Fresh Air

Cory DeGennaro, NIOSH

Day 2: Thursday 11/18

Time Topic Presenter
11:00 AM Welcome George Luxbacher, NIOSH
11:05 AM Static And Dynamic Contamination Ingress for a Built-in-place Refuge Alternative Joseph Bickson, NIOSH
11:20 AM Effect of Ventilation System Layout on Purge Times and Contaminant Distribution in a Built-in-place Refuge Joseph Bickson, NIOSH
11:35 AM Atmospheric Toxic Gas Sensing and Scrubbing, and Through-hull Communications Mike Mohundro, United States Navy
11:55 AM Attenuation of Radio Frequency Signals by Portable and Built-in-place Refuge Alternatives Nick Damiano, NIOSH
12:15 PM Electric Field Through-the-earth Communication Systems for Built-in-place Refuge Alternatives Nick Damiano NIOSH
12:30 PM Break
12:45 PM Miner Metabolic Heat Input and Thermoregulation for Refuge Alternative Conditions Dave Yantek, NIOSH
1:05 PM Refuge Alternative Heat/Humidity Testing, Thermal Simulation Model Development, and Effect of Mine Parameters on Resulting Apparent Temperature Dave Yantek, NIOSH
1:25 PM Update on VentSim Refuge Alternative Module Florian Michelin, Howden
1:45 PM Break
2:00 PM Occupancy Derating and Heat Mitigation Strategies to Meet the Apparent Temperature Limit Dave Yantek, NIOSH
2:20 PM Warrior Met Coal's Experience with Refuge Alternatives Ricky Allen, Warrior Met Coal
2:40 PM MSHA Perspective and Refuge Alternative Future Wesley Shumaker, MSHA Approval and Certification Center
3:00 PM Wrap-up Miguel Reyes, NIOSH
Page last reviewed: August 9, 2022
Page last updated: August 9, 2022