Northwest Rock, Inc., based in Aberdeen, Washington, USA, operates nine active crushing sites, three of which are hard rock, and the others are sand and gravel pits. All of Northwest Rock’s operations are located within Grays Harbor County, in Washington’s Olympic Peninsula. Historically, the area’s economy has relied heavily on natural resources, including the fishing and timber industries. The company provides aggregate materials for county, state, and federal road projects, as well as serving local customers such as concrete plants, log yards, and road building for the logging industry. Northwest Rock stocks an assortment of crushed, washed, and landscape rock, sand, and rip rap, as well as providing contract crushing and trucking services.
Replacing existing equipment
Until recently, Northwest Rock relied on a Nordberg® C110™ jaw crusher, and two Lokotrack LT105™ mobile jaw plants, for their primary crushing needs. Northwest Rock was able to move the C110, mounted on a wheeled chassis, and the two LT105 tracked plants between multiple crushing sites. However, transporting and setting up the C110 portable plant was labor-intensive, and time-consuming. Additionally, the company wanted to increase production above the capacity provided by either the C110 or the two LT105 plants.
To meet their goals, Northwest Rock turned to Modern Machinery, Inc., their Metso crushing and screening distributor in the state of Washington. Following consultation with Jim Stevens, Territory Manager, and Sam Braithwaite, Aggregate Sales Specialist, as well as Metso’s Dave Laird, Distributor Manager, Northwest USA and Canada, Northwest Rock decided to acquire the Lokotrack LT120. This new LT120 mobile jaw offered Northwest Rock more mobility and higher capacity than their existing fleet of primary crushers. Sam Braithwaite noted that “The C110 at Northwest Rock was not highly portable, and the LT105’s weren’t quite big enough for some of what they were doing. That’s why we recommended the LT120, to replace multiple machines with one unit, and fit more of their applications.”
The LT120 was delivered to Northwest Rock in February of 2015. According to Operations Manager Kevin Noffsinger, “The LT120 has been performing excellently, no complaints.” He added that “Production has increased over the C110, as well as what we were accomplishing using two LT105’s at one of the other sites.”