SECTION 14 TIMBER PIERS AND APPROACHES 14-01. GENERAL REQUIREMENTS: Timber piers and approaches will be constructed at the locations specified, in the position, to the elevations, and conforming to the design shown on the plans and in accordance with these specifications, . 14-02. MATERIAL: The material for timber piers and approaches shall include the following; creosoted structural timber, creosoted piles, Port Orford cedar decking, timber guard rails, fender logs and galvanized hardware. 14-03, timber, KINDS AND GRADES: The various kinds and grades of piling and hardware used in the structures shall be as indicated on the plans or as herein specified, or as directed by the Engineer. a. Piling shall be Douglas Fir as per Federal Specifications MM-P-371 grade A with any revisions and supplements thereto. Creosoting to comply with Federal Specifications TT-W-571b with 1 treatment using coal tar creosote Federal Specification TT-W-556 (AWPA) Specification 4. b. Caps, Stringers and Bracing timber shall be given 8# creosoting treatment as per Federal Specifica- tions TT-M-566 (A.W.P.A.) Specification 4. Timbers shall be graded in accordance with W. Cc. L. A. rules of the sizes and dimensions shown on the plans. Common Rough Douglass Fir. Fir. Caps shall #1 Stringers shall be SiEK Douglas Braces shall be #1 Common Rough Douglas Fir. ¢. Decking on Docks shall be Port Orford Cedar #2 Common or better, S15 to uniform thickness of 4", stock of random widths 6" to 12" and random lengths 8' to 20', mostly 20' lengths. d. Guard Rails shall be Douglas Fir #1 Common or better 6" x 8" random lengths 16' or longer. e. All zinc-coated hardware, including bolts, drift pins, spikes, nails, pipe sleeves, chains and plates shall be zinc-coated in accordance with A. ification A-123-33. 14-1 8S. T. M. Spec- .