Specifications include, but are not limited to: These specifications have been adopted by the Alaska Railroad Corporation; equipment offered must meet or exceed these specifications in order to be considered for award. Railroad Switch Tie Specifications • Treated hardwood without holes • Anti-split devices installed • Grade: American Railway Engineering Association Manual for Railway Engineering, Volume 1, Chapter 3., Part 2, Page 3-2-1 West Coast Lumber Inspection Bureau (W.C.L.I.B.) Grading Rules Number 17., Chapter 6, Paragraph 192-A, Page 175 • Treatment: American Wood Preservers Association (A.W.P.A.) Book of Standards, Specifications C3 and C6 o The preservative shall consist of a mixture of 50 percent by volume of creosote oil and 50 percent by volume of residuum oil; a 50/50 coal tar solution may also be used. • Packaged in bundles of 20 each Quantities Tie Sizes 1160 each 7"X9"X 10' 60 each 7"X9"X 11' 20 each 7"X9"X 13' 60 each 7"X9"X16' Railroad Bridge Timber Specifications • Treated softwood bridge tie • Species: Coastal Doug-Fir • Grades: Select Structural per WCLIB Paragraph 5, Rule 130-a (Beams and Stringers) • Treatment: the preservative shall meet Copper Naphthenate classification of UC4B with a 0.075pcf treatment. Quantities Timber Sizes 30 each 8"X8"X10' 360 each 8"X12"X12' 80 each 8"X12"X16' 20 each 8"X14"X24
