The agreements permitted the extraction of local ground water and an average of 14 million tons of coal per year to provide electricity for southern California, Nevada, and central Arizona. Three years ago, Alice Tso appeared before the Navajo Nation Council to say her husband had died of black lung disease. Harvey had worked at the Black Mesa Mine operated by Peabody Western Coal Company which is adjacent to the Kayenta Mine, and had transferred to the Kayenta Mine 12 weeks before the accident. It offered unusually advantageous terms for Peabody and was approved despite widespread opposition. Although mining does not occur in these washes, storm water runoff from areas disturbed by mining activities could potentially degrade the quality of water going into them. Pollution from the plant is blamed for mercury contamination of nearby water supplies and for respiratory illness among the local Navajo.
Navajo Dine Don Yellowman and Fern Benally in St. The cause of the accident was failure to establish guidelines to safely energize the dragline's auxiliary on-board power supply and to allow unqualified persons to do this work. Interviews did not determine why this switch was not installed. The conveyor carries the coal to rail load-out silos, where the coal is loaded into rail cars bound for the Navajo Generating Station. Tapping the Coconino Aquifer Efforts have centered on tapping the Coconino Aquifer as an alternate water source for coal transport.
They completed this work between 6:00 and 6:30 p. The faulty circuit breaker interlock and the absence of the safety transfer switch appeared to have existed for years. Another controversy is their environmental impact on the native wildlife in the area. With the pipeline operating, Peabody pumped, on average, 3 million gallons of water from the Navajo Aquifer every day. . The affected communities, many without running water, believe that the use of water by the Peabody Western Coal Company should not have priority over the needs of people. Office of Navajo and Hopi Indian Relocation.
The dragline was driven by 1,000 horsepower, 7,200 volt synchronous motors. Arizona Bureau of Mines, Geological Survey branch. The evening shift started work at 4:00 p. This action is due in part to resolutions passed by the Navajo and Hopi Tribal Councils to prohibit the use of the Navajo Aquifer to transport coal and to the slated closing of the Mohave Generating Station for environmental violations. Also, the phase conductors were not grounded to the system ground. Down to the wire With Mohave's pollution-control installation deadlines looming, the issue needs to be resolved soon.
Traditional Dineh and Hopi believe that the coal, along with the other subsurface minerals, is paramount to the health of the land and that it must remain in the ground. Despite these efforts, one thing is certain. Furthermore, an improperly designed mechanical interlock device allowed both the main and auxiliary circuit breakers to be closed at the same time. According to Louise Benally of Big Mountain, Ariz. That information was then transferred and drafted on a topographic Mylar map for the resident surveyor at the new mining area in Wyoming.
For information and photos visit www. Wells Environmental Law Clinic under the direction of Sean B. Hopi Chairman Wayne Taylor knows he's walking a fine line between dependency on coal royalties and a conviction that his people's homeland is in jeopardy. The generator circuit used on that machine was provided with controls and switches that were safely designed, installed and maintained. The proposed pipeline would transport water for coal mining through the arid Navajo and Hopi reservations, where people often must drive many miles to haul water for their weekly uses.
Lock out, Tag out, and Grounding The operator's written dragline and shovel lock out and tag out procedures required that when working on electrical components with separate power sources, these sources must be identified, confirmed through visual disconnect that the power was off, and locked and tagged out at the disconnects. Their concerns range from the health effects of mining and burning of coal to the effect on employment and tribal revenues. Please help to this section by more precise citations. For example, the Hopi tribe is part of the Sunshine Wind Farm, scheduled to be on line by 2007. As concern over disappearing springs and dry washes mounts, an upcoming mining lease renewal and a looming pollution-control deadline could bring both Black Mesa Mine and Mohave Generating Station to a halt.
For those households that must be moved, Peabody provides for relocation to an agreed-upon area within or adjacent to the leasehold area, as well as compensation for acreage removed from customary grazing as a result of mining activities. As of January 1, 2006, one of the most contentious U. This checklist is used by management to ensure that all required equipment examinations are made. These contracts had a deadline which had to be met, and during this time, setting up all the contracts on the computer and getting the contracts out on time, I worked ten hour days, and I was well awarded for my work. Local Union President Gilbert Graymountain. There were no electrical or mechanical devices installed to prevent the normal power and auxiliary power circuit breakers from being energized at the same time. The purpose of the ground check circuit is to assure the grounding conductor is continuous to the frame of the dragline.
An Atkinson high voltage pilot wire type ground check monitor monitored the grounding conductor from this location to the dragline frame. According to Judge Robert G. The American dream is clean air and pure water and a sustainable economy based on clean technology and renewable energy. Junction boxes were installed at approximately 1,500-foot intervals so that cable could be easily added or removed as needed. Approximately 5,500 acres on Black Mesa Complex would be incorporated into the permit area for mining.
Boone, who was not a qualified electrician, after starting the auxiliary diesel generator, entered the locked enclosure intended for authorized personnel only, and closed the 225 ampere auxiliary circuit breaker. Now is the time to about face and turn to renewable energy. The electricians did not connect each phase conductor to the system ground. Our challenge is to find an alternative water supply to keep that operation going. Every year, Peabody pumps 1.