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Home-Built Screen Separates Rocks, Dirt
Separating rocks from dirt is easy with a rock screen, if you can justify the price. Sam Valdez built his own and now sells them for half the price of others on the market.
  “I built one for myself to use around my place,” says Valdez. “I had some dirt to move. The rock screen let me separate rock for my road and dirt for gardens.”
  Valdez’s “Grizzly” screen has similar features to others on the market. It’s essentially a steel box with one open side and an angled top of 3-in. square, tube steel bars set on edge. Every other bar is welded solid top and bottom to the box’s frame. Alternate bars are welded to a bump bar at the top and rest loose at the other end. Bars are set at a slight angle to each other for a 1/2-in. space between them at the top and a 1-in. space at the bottom.
  A skid steer or front-end loader scoops up rocky dirt and dumps the load over the screen. While most rocks slide off and dirt falls through into the box, some rocks and dirt can lodge on top of the bars. Valdez simply “bumps” a bar mounted on the underside to lift the alternate bars and shake loose dirt and rock.
  “The moveable bars can be removed as a unit to screen out 7-in. or larger boulders and then replaced for finer screening,” says Valdez. “They can also be replaced with smaller bars for different rock sizes.”
  Valdez’s Grizzly is 9 ft. wide by 6 ft. deep by 8 ft. high. The screen itself is 9 1/2 ft. by 10 ft. Hooks welded on top of the fixed bars make it easy to lift with a bucket and move into place. The box isn’t designed for moving dirt.
  “The Grizzly is tougher than rock, yet light enough to be easily moved with a loader,” says Valdez. “I put it together for my use and can build them for others, too.”
  Valdez is pricing his Grizzly at $6,000.
  Contact: FARM SHOW Followup, Sam Valdez, 1198 Altoona Pillar Rock Rd., Rosburg, Wash. 98643 (ph 360 465-2647; tt1198@gmail.com).

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2013 - Volume #37, Issue #2