Specifications include, but are not limited to: The Department of Natural Resources intends to purchase treated wooden plank materialsfor MN DNR Parks (MN DNR) and Trail Crew to replace worn treated wood planks at Benedict Bridge over the Paul Bunyan State Trail located by State Highway 200, near Benedict and located in east central Hubbard County, Minnesota. New plank material must be bid to the following specifications: - Douglas Fir No. 1 or better deck planks - All planks be treated with copper naphthenate to a minimum retention of 0.060 pcf in accordance with the most current ASPA Standards - All planks measure 2 ½” thick X 11 ¼” wide X 11’ 3/8” (143.5 inches) long - All planks be planed on at least 1 side and 2 edges. 1 side shall be left rough. - 105 planks to be treated after fabricating