King Coal Historic Mine Byway
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Black Hills Corp Wygen Iii 07 02
Wyoming Industrial Development Information and Siting Act 109 Application Permit Wygen III Campbell County, Wyoming Prepared for Black Hills Corporation October 2007 Prepared By: 9193 South Jamaica Street Englewood, CO 80112 ES092007002DEN\WYGEN_REPORT_101907_REV4.DOC CONTENTS Contents Section Page Acronyms and Abbreviations ......................................................................................................... ix Executive Summary...................................................................................................................... ES-1 Project Components ..........................................................................................................ES-1 Project Location .................................................................................................................ES-1 Schedule and Cost .............................................................................................................ES-2 Construction Workforce Requirements..........................................................................ES-2 Comprehensive Housing Plan.........................................................................................ES-2 Socioeconomic Impacts.....................................................................................................ES-3 Environmental Impacts ....................................................................................................ES-3 1.0 Purpose, Need, and Benefit ............................................................................................. -
A Culture of Safety
A CULTURE OF SAFETY Wyoming’s mines, operating leaner and more efficient than ever, Safety is a core cultural value for Wyoming’s coal mining industry, remain America’s low-cost industry leaders. Home to seven of and Wyoming coal mines are recognized as some of the safest min- the nation’s top 10 producing mines, Wyoming provides about 40 ing operations in the nation. Safe mines are productive mines, and percent of all coal used for electricity production in the nation. the Wyoming coal industry is committed to providing a safe working That translates to about 12 percent of U.S. domestic electric power environment for all employees and contractors. generation. In total, Wyoming produced over 316 million tons of coal in 2017, up 6.4 percent from 2016. All Wyoming coal mines employ dedicated safety professionals, and all employees are trained in proper safety practices to foster a safe WYOMING’S COAL RESOURCES work environment and build and maintain the culture of safety. Wyoming is home to over 1.4 trillion tons of total coal resources • All new employees attend 40 hours of safety training prior to in seams ranging in thickness from 5 feet to some in excess of 200 their first day on the job. feet in the Powder River Basin (PRB). Recent estimates from the • All employees participate regularly in safety refresher training. Wyoming Geological Survey give Wyoming more than 165 billion • Every shift starts with safety briefings and walk-around inspections. tons of recoverable coal. While other regions of the country also • Employees earn safety bonuses to encourage safe and vigilant hold considerable resources, Wyoming’s position as the nation’s work practices. -
Powder River Basin Coal Resource and Cost Study George Stepanovich, Jr
Exhibit No. MWR-1 POWDER RIVER BASIN COAL RESOURCE AND COST STUDY Campbell, Converse and Sheridan Counties, Wyoming Big Horn, Powder River, Rosebud and Treasure Counties, Montana Prepared For XCEL ENERGY By John T. Boyd Company Mining and Geological Consultants Denver, Colorado Report No. 3155.001 SEPTEMBER 2011 Exhibit No. MWR-1 John T. Boyd Company Mining and Geological Consultants Chairman James W Boyd October 6, 2011 President and CEO John T Boyd II File: 3155.001 Managing Director and COO Ronald L Lewis Vice Presidents Mr. Mark W. Roberts Richard L Bate Manager, Fuel Supply Operations James F Kvitkovich Russell P Moran Xcel Energy John L Weiss 1800 Larimer St., Suite 1000 William P Wolf Denver, CO 80202 Vice President Business Development Subject: Powder River Basin Coal Resource and Cost Study George Stepanovich, Jr Managing Director - Australia Dear Mr. Roberts: Ian L Alexander Presented herewith is John T. Boyd Company’s (BOYD) draft report Managing Director - China Dehui (David) Zhong on the coal resources mining in the Powder River Basin of Assistant to the President Wyoming and Montana. The report addresses the availability of Mark P Davic resources, the cost of recovery of those resources and forecast FOB mine prices for the coal over the 30 year period from 2011 Denver through 2040. The study is based on information available in the Dominion Plaza, Suite 710S 600 17th Street public domain, and on BOYD’s extensive familiarity and experience Denver, CO 80202-5404 (303) 293-8988 with Powder River Basin operations. (303) 293-2232 Fax jtboydd@jtboyd com Respectfully submitted, Pittsburgh (724) 873-4400 JOHN T. -
Dragline Maintenance Engineering
University of Southern Queensland Faculty of Engineering and Surveying Dragline Maintenance Engineering A dissertation submitted by Bruce Thomas Jones in fulfilment of the requirements of Courses ENG4111 and 4112 Research Project towards the degree of Bachelor of Engineering (Mechanical) Submitted November, 2007 1 ABSTRACT This research project ‘Dragline Maintenance Engineering’ explores the maintenance strategies for large walking draglines over the past 30 years in the Australian coal industry. Many draglines built since the 1970’s are still original in configuration and utilize original component technology. ie electrical drives, gear configurations. However, there have been many innovative enhancements, configuration changes and upgrading of components The objective is to critically analyze the maintenance strategies, and to determine whether these strategies are still supportive of optimizing the availability and reliability of the draglines. The maintenance strategies associated with dragline maintenance vary, dependent on fleet size and mine conditions; they are aligned with the Risk Based Model. The effectiveness of the maintenance strategy implemented with dragline maintenance is highly dependent on the initial effort demonstrated at the commencement of planning for the mining operation. Mine size, productivity requirements, machinery configuration and economic factors drive the maintenance strategies associated with Dragline Maintenance Engineering. 2 University of Southern Queensland Faculty of Engineering and Surveying ENG4111 -
Reston, Virginia 1987
UNITED STATES DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY ABSTRACTS OF PAPERS PRESENTED AT THE GEOGRAPHIC INFORMATION SYSTEMS SYMPOSIUM JUNE 2-4, 1987 RESTON, VIRGINIA Open-File Report 87-314 Reston, Virginia 1987 FOREWORD The U.S. Geological Survey held a bureauwide Geographic Information System (GIS) Symposium on June 2-4, 1987, in Res ton, Virginia. This 3-day event provided Survey hydrologists, geologists, cartographers, computer scientists, and geographers an oppor tunity to meet colleagues and examine a comprehensive overview of current and future Survey GIS activities. For many, the symposium offered a glimpse of interdivisional cooperative efforts and projects. For others, it offered a forum to discuss bureau GIS goals, issues, and policy. Hopefully, it offered all a chance to discuss and exchange ideas. This open-file report contains the final program and abstracts of symposium presentations, technical presentations, and poster sessions. -^u ics T. O'Kelley, Jr. Chairman, GIS Symposium Organizing Committee John E. Findley, GIS Symposium Coordinator Any use of trade names and trademarks in this publication is for identification purposes only and does not constitute endorsement by the U.S. Geological Survey. 111 CONTENTS continued Page The Quebec-Maine-Gulf of Maine Global Geoscience Transect, by D.B. Stewart and others ......................................................................... 31 Geographic Information System for Interpreting and Displaying Geochemistry of Soil, Shallow Aquifer Material, and Ground Water in the Carson River Basin, Nevada and California Project Objectives and Plans, by Elizabeth A. Frick ................................................................. 32 The Paducah Project: A Digital CUSMAP, by Gregory N. Green andWaldenP. Pratt ................................................................................... 34 A Geographic Information System Demonstration; Interface to a Ground-Water Flow Model, Walla Walla River Basin, Oregon- Washington, by Lawrence E. -
Structural Health Monitoring of Walking Dragline Excavator Using Acoustic Emission
applied sciences Article Structural Health Monitoring of Walking Dragline Excavator Using Acoustic Emission Vera Barat 1,2, Artem Marchenkov 1,* , Dmitry Kritskiy 3, Vladimir Bardakov 1,2, Marina Karpova 1, Mikhail Kuznetsov 1, Anastasia Zaprudnova 1, Sergey Ushanov 1,2 and Sergey Elizarov 2 1 Moscow Power Engineering Institute, 14, Krasnokazarmennaya Str., 111250 Moscow, Russia; [email protected] (V.B.); [email protected] (V.B.); [email protected] (M.K.); [email protected] (M.K.); [email protected] (A.Z.); [email protected] (S.U.) 2 LLC “Interunis-IT”, 20b, Entuziastov Sh., 111024 Moscow, Russia; [email protected] 3 JSC “SUEK”: 20b, Lenin Str., 660049 Krasnoyarsk, Russia; [email protected] * Correspondence: [email protected] Abstract: The article is devoted to the organization of the structural health monitoring of a walking dragline excavator using the acoustic emission (AE) method. Since the dragline excavator under study is a large and noisy industrial facility, preliminary prospecting researches were carried out to conduct effective control by the AE method, including the study of AE sources, AE waveguide, and noise parameters analysis. In addition, AE filtering methods were improved. It is shown that application of the developed filtering algorithms allows to detect AE impulses from cracks and defects against a background noise exceeding the useful signal in amplitude and intensity. Using the proposed solutions in the monitoring of a real dragline excavator during its operation made it possible to identify a crack in one of its elements (weld joint in a dragline back leg). Citation: Barat, V.; Marchenkov, A.; Kritskiy, D.; Bardakov, V.; Karpova, M.; Kuznetsov, M.; Zaprudnova, A.; Keywords: acoustic emission; structure health monitoring; walking excavator; AE impulse detection Ushanov, S.; Elizarov, S. -
<Pea~ Cvistrict ~Iries Chistorical C-Societycltd
<pea~ CVistrict ~iries CHistorical C-SocietyCLtd. NEWSLETTER No 96 OCTOBER 2000 SUMMARY OF DATES FOR YOUR DIARY 22 October U/ground meet - Rochdale Page 2 19 November Ecton Mines Page 3 25 November AGM and Anual Dinner Page 1 22-23 September 2000 NAMHO Field Meet Pagell TO ALL MEMBERS MrN Potter+ ~otice is hereby given that the Twenty Sixth Annual Mr J R Thorpe*(Acting Hon secretary) General Meeting of the Peak District Mines Historical Those whose names are marked (*) are retiring as Society Ltd will be held at 6.00pm on Saturday required by the Articles of Association and are eligible for 25 November 2000 at the Peak District Mining Museum, re-election. Those whose names are marked (+) are Grand Pavilion, Matlock Bath, Derbyshire. retiring and are not eligible for re-election. The Agenda will be distributed at the start of the Fully paid up members of the Society, who are aged meeting. 18 years and over, are invited to nominate Members of the By Order Society (who themselves are fully paid up and who have J Thorpe consented to the nomination) for the vacant positions on Hon Secretary the Committee. Nominations are required for the position of: THE COMPANIES ACT 1985 As required under Article 24 of the Articles of Chairman Association of the Company, the following Directors will Deputy Chairman retire at the Annual General Meeting: Hon Secretary 1. The Hon Secretary (acting) Hon Treasurer 2. The Chairman Hon Recorder 3. The Deputy Chairman Hon Editor 4. The Hon Treasurer Two Ordinary Members 5. The Hon Editor 6. -
Application of Mcda in Selection of Different Mining Methods and Solutions
Advances in Science and Technology Research Journal Volume 12, Issue 1, March 2018, pages 171–180 Research Article DOI: 10.12913/22998624/85804 APPLICATION OF MCDA IN SELECTION OF DIFFERENT MINING METHODS AND SOLUTIONS Dejan Stevanović1, Milena Lekić1, Daniel Kržanović2, Ivica Ristović1 1 Faculty of Mining and Geology, Djusina 7, 11000 Belgrade, Serbia, e-mail: [email protected]; [email protected]; [email protected] 2 Mining and Metallurgy Institute Bor, Zeleni bulevar 35 19210 Bor, Serbia, e-mail: [email protected] Received: 2018.01.15 ABSTRACT Accepted: 2018.02.01 As mine planning is one of the most complicated steps, which depends on a lot Published: 2018.03.01 of factors as geology, economy etc., consequently, the decision-making process is difficult, due to the existence of a lot of factors for choosing the optimal mining system. In this paper, the method and the result of Analytical Hierarchical Process is presented, shown on a case study – Open pit Drmno, as one of the largest lignite mines in Serbia. The analysis included 6 criteria and two alternatives were applied as Variant 1 and Variant 2. The results show that the suitable mining system for this case study – open pit Drmno is Variant 2. Keywords: mining systems, mining equipment, excavation, analytical hierarchy process. INTRODUCTION In a micro scale Drmno deposit does not differ from the regional characteristics in the number of The purpose of this paper is to rank mining plies for main coal III Seam. The III Seam and its systems in open pit Drmno as one of the most two plies are present in 60% of drill holes, while in stable mining system for production of lignite the rest of 40% drill holes layering is present with for electricity in power plant in Serbia. -
B-1116 Cooperative Extension Service January 2002
Thomas Foulke, Roger Coupal, David Taylor B-1116 Cooperative Extension Service January 2002 he story of economic development The concept of a transcontinental railroad in Wyoming would not be com- arrived almost as soon as locomotives were Tplete without coal. Economic invented, but securing a route was much growth and settlement patterns in the state more difficult. Secretary of War Jefferson mirrored coal production for almost a cen- Davis was in charge of a series of surveys tury. Today, coal is still a major contribu- for different routes across the country in tor to Wyoming’s economy, contributing 1853. However, these were of little value over $300 million to state and local gov- since they were hastily conducted, and ernments in 2000 alone and over 4,000 Davis’ bias as a southerner made him par- high- paying jobs. tial to a southern route through Texas to southern California. The Civil War ensured The coal industry’s involvement in Wyo- that a northern route would be chosen, but ming can be divided into two distinct time construction had to wait for the end of the periods with a short transition between. war and detailed surveys. A route that fol- Each of these eras is defined as much by the lowed the Oregon Trail seemed natural, usage of the coal mined as by the method but in Wyoming the route deviated from of mining. In the Rail Era, coal was prima- the historic trail to take advantage of the rily mined from underground mines for use terrain and coal deposits located in south- as fuel for the railroads. -
A Study in Monolithic Structure
International Journal of Mechanical And Production Engineering, ISSN: 2320-2092, Volume- 5, Issue-11, Nov.-2017 http://iraj.in A STUDY IN MONOLITHIC STRUCTURE 1NIKITA PATEL, 2NAMRATA VERMA 1Student B.E. ,Civil Department , GDRCET, Bhilai (C.G) 2Assistant Prof. Civil Department, GDRCET, Bhilai (C.G) Abstract - Monolithic structure means the whole structure along with the slab is casted at a time. In order to construct a monolithic structure we required formwork for construction. In this project we discuss about the importance of use of monolithic construction work for high rise building. In accordance with the importance of time, it is feasible method for construction of the repetitive construction work as compared to conventionally applied method of construction. In this work we use aluminum formwork. Monolithic construction work is able to deliver good quality and durable structure in cost effective manner. It has been used in development of silos, residential building, schools, stadium, and roof of industries, nuclear reactors, pressure vessel, and auditorium. In monolithic structure we used formwork which provides proper alignment, smooth surface and good quality work. Due to use of formwork it increases the speed of construction as compare to conventional method. Keywords - Monolithic Method, Aluminum Formwork, Construction Cost, Time, Quality. II. INTRODUCTION 1.2 Different structures constructed to monolithic structure 1.1 overview and definition IN DOMES A building can be defined as “an enclosed structure In ancient times domes are very popular because of intended for human occupancy”. A building has two its uniqueness in providing maximum space area with basic part; substructure or foundation and super minimum surface area requirement but because of its structure. -
Costs of Strip Mine Reclamation in the West
X HT 3f^ 6? ,^î\y United States '" ' '" Department of Agriculture Costs of Strip Mine Economics, Statistics, and Cooperatives Service Reclamation Rural Development Research Report No. 19 in the West Kenneth L. Leathers COSTS OF STRIP MINE RECLAMATION IN THE WEST. By Kenneth L. Leathers. Natural Resource Economics Division; Economics, Statistics, and Cooperatives Service; U.S. Department of Agriculture. Rural Development Research Report No. 19. ABSTRACT Estimated costs of mined land reclamation averaged $3,500 per acre in 1976 for western coal regions, an average of 5 cents per ton of coal produced and less than 1 percent of mine-mouth coal prices. Improvements in reclamation practices as a result of 1977 Federal legislation, as well as inflation, will boost these costs. Earthmoving and reshaping account for about 70 to 80 percent of total reclamation costs at a mine. Key words; Reclamation, cost of reclamation, strip mining, coal, western mining ACKNOWLEDGMENTS The author is grateful to Linley Juers for assistance during this investigation. John Green and Mel Skold deserve a special note of appreciation for asking important questions and providing useful criticism along the way. The contribution of Joseph R. Barse, who wrote the summary and the section on the new Federal surface mine reclama- tion law, is gratefully acknowledged. The author also wishes to acknowledge the generous assistance extended by many people in the various State and Federal agen- cies involved with mined land reclamation. A special note of thanks goes to Cheryl Tyler, Linda Stallard, and Linda Turner for their excellent work in typing the manuscript. This study is part of a continuing research program of the Economics, Statistics, and Cooperatives Service. -
11-335T • Wyodak Resources Development Corp. V. the United States
In the United States Court of Federal Claims No. 11-335 T (Filed: November 30, 2012) ************************************ * WYODAK RESOURCES * Illegal Exaction; Office of Surface Mining DEVELOPMENT CORP., * (OSM); Surface Mining Control and * Reclamation Act (SMCRA); Reclamation Plaintiff, * Fees; “Coal Produced”; Lignite Coal * v. * * THE UNITED STATES, * * Defendant. * * ************************************ Andrew A. Irvine, Holland & Hart LLP, Jackson, Wyoming; Walter F. Eggers, III, Holland & Hart LLP, Cheyenne, Wyoming, for Plaintiff. A. Bondurant Eley, Commercial Litigation Branch, Civil Division, United States Department of Justice, Washington, D.C., for Defendant; of counsel, Daniel W. Kilduff, Emily D. Morris, Office of the Solicitor, United States Department of the Interior. ___________________ OPINION ___________________ DAMICH, Judge: The question before the court is whether the United States Office of Surface Mining Reclamation and Enforcement (“OSM”) improperly assessed reclamation fees on coal, alleged to be lignite coal, produced at the Wyodak Mine near Gillette, Wyoming, at the higher rates applicable to ranks of coal other than lignite coal. The fees were assessed pursuant to the Surface Mining Control and Reclamation Act (“SMCRA” or “the Act”), 30 U.S.C. §§ 1201- 1328. Although the parties disagree with each other‟s characterization of the facts in this dispute, they concur that there are no genuine issues of material fact as to liability and have filed cross motions for summary judgment. For the reasons stated herein, Plaintiff‟s motion for summary judgment is denied and Defendant‟s cross-motion for summary judgment is granted. I. Background Plaintiff, Wyodak, owns and operates the Wyodak mine in the Powder River Basin near the community of Gillette in Campbell County, Wyoming.