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The Onslow County Zoning Board of Adjustment voted in 2010 to reject a special-use permit request by the mining company to build a 1,800-acre quarry off N.C. 50 with an entrance near Haws Run Road.Martin Marietta is presenting information on its new proposal Tuesday in downtown Jacksonville.The meeting is set for7 p.m.at the Jacksonville Conference Center, 800 New Bridge Street.The new proposal calls for a 1,831-acre limestone mine. Representatives of Martin Marietta Materials, Inc., will be available to answer questions.In 2010, the Adjustment Board determined that Martin agreggate crushing plant for sale Marietta failed to prove the proposed mine would be in harmony with the surrounding area and wouldn’t injure property values.While geologists disagreed whether the quarry would cause sinkholes in surrounding areas, state and local environmental representatives questioned the effect the mine would have on nearby wetlands animals and plants including the Venus fly-trap. Sandvik Mining has launched two new underground trucks in the market. The new TH550 and TH540 are the first in the underground mining world to offer energy efficient and low-emission EPA Tier 4i/EURO Stage IIIB engines. Compact and agile, they offer the biggest payload per envelope size and empty vehicle weight.The new TH550 and TH540 are based on “the old workhorses”, Sandvik T50 and T40, which were widely concrete recycling equipment regarded as the best underground trucks in the market. The all-new TH trucks were born as a result of comprehensive research, customer feedback and modern thinking. One of the main advantages of these trucks is the optional Tier 4i/IIIB engine that consumes less fuel, produces fewer emissions and has better torque characteristics for trucks than its predecessors. The Sandvik TH550 and TH540 are engineered and designed with special emphasis on environment, productivity and reliability. New features, such as the possibility to conduct all daily maintenance from ground level, offer enhanced safety and usability. Operator comfort and overall productivity are improved with a remodelled cabin featuring a new ergonomic, vibration-reducing seat, a new dashboard, a new control Phosphates rocks crusher system screen, automatic gear shifting and adjustable climate control. Currently, the TH550 and TH540 are the only trucks in the market available with these engines.If these engines were left running, for example, in the center of some large city, the exhaust fumes coming out of the engines would be cleaner than the air they took in from the city. These trucks can thus provide a healthier environment for all personnel working underground,” says Tomi Pikala, Marketing Support Manager at Sandvik Mining. While the Tier 4i/IIIB engines cut operational costs through lower fuel consumption, a substantial reduction in ventilation requirements provides even greater savings. Uptime hours are increased with practical, time-saving features such as a large tank capacity, centralized ground level maintenance and easily cleanable radiators. The new cooling system, even safer electrical wiring, new steering concrete crushing plant cylinders and durable tires, combined with the other new features, are designed to increase operating hours per year and extend the overall service life of the trucks. As a result, increased uptime and prolonged service life provide the ultimate in productivity.
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