SECTION 594 - TIMBER AND LUMBER
594-1 DESCRIPTION. Under this work the Contractor shall furnish and place timber and lumber of
various sizes and types as may be specified for sills or platforms beneath the road, for culverts, bridges reinforcing existing structures, and for other similar purposes as shown on the plans or specified by the Engineer.
594-2 MATERIALS. Materials shall meet the following requirements:
Wood Preservative – Water Borne 708-31 Wood Preservative – Oil Borne 708-32 Timber and Lumber 712-13 Stress Graded Timber and Lumber 712-14 Steel Plates as Specified 715-01
594-2.01 Fasteners. Fasteners such as: spikes, nails, screws, timber connectors, bolts, nuts and washers
shall meet the standard industrial fastener specifications for the intended application.
594-2.02 Approval of Order. Prior to ordering timber and lumber, the Contractor shall submit to the
Engineer for approval, a detailed statement of his proposed order. No material shall be ordered until the statement is approved.
594-2.03 Preservative Treatment. The preservative treatment shall be applied to stress graded lumber
and timber and shall conform to the requirements of the AWPA Standard U1-20, Commodity Specifications A (sawn products) and G (marine/saltwater applications).
594-2.04 Sampling and Inspection. Sampling and inspection will be done by an accredited
representative of the Department. The Inspector shall have the power to take samples of the material for analysis and to reject those materials which do not fulfill the requirements of these specifications as to either quality or workmanship. The acceptance of any materials by the Inspector shall not be a bar to their subsequent rejection if found defective. The Contractor shall furnish all facilities and equipment for the inspection and testing of materials and workmanship and the Inspector shall be allowed free access to all premises where inspections can be made. The Contractor shall give the Department and Department's Inspection Agents ample notice relative to the location of, and time when, treating operations will take place. Inspection of all timber and lumber will be made by the Department's Inspection Agents before, during, and after pressure treatment at the treating plant. No treated timber and lumber shall be shipped which does not bear, in legible form, the Inspector's stamp of approval.
594-3 Construction Details
594-3.01 General. Timber and lumber shall be placed or erected as shown on the plans or specified by
the Engineer. Any surface breaks resulting from storage and handling which do not warrant rejection shall be treated in accordance with AWPA M4 with the addition that at least three coats of preservative shall be applied. Paint, where specified, shall be applied as required by the Contract Documents.
594-3 02
NEW YORK STATE DEPARTMENT OF TRANSPORTATION Sections 200 - 599 STANDARD SPECIFICATIONS (USC) January 1, 2026 Volume 2
594-3.02 Treatment after Fabrication. All cutting, framing and boring of timber and lumber shall be
done before treatment whenever practicable. Cutting and boring below high water shall be particularly avoided in material which is to be used in waters infested with marine borers. All cut surfaces and all bolt holes bored subsequent to treatment shall be treated in accordance with AWPA M4 with the addition that at least three coats of preservative shall be applied. Any unfilled holes, after being treated with preservative shall be plugged with preservative treated plugs. All cut surfaces and bolt holes below the high water line shall, in addition to the AWPA M4 preservative treatment, be coated with a thick application of a mixture of 30% creosote and 70% pitch. The Contractor shall obtain all necessary permits pertaining to the purchase and field application of wood preservatives from the U.S. Environmental Protection Agency (EPA) and the New York State Department of Environmental Conservation.
594-4 METHOD OF MEASUREMENT. The quantity to be paid for timber and lumber will be the
number of cubic feet placed in the completed work. In measuring dressed timber and lumber, the cross- section of any piece will be taken as the minimum nominal commercial size of undressed material from which the piece could have been cut. When round timber is used, it shall be estimated as square timber of the smallest undressed commercial size from which the timber can be manufactured. The length of any piece will be taken as the actual length in the finished work, making no deductions for bevels, notches or splices. If the measured quantity is first computed in board feet, the conversion factor shall be 0.083334 cubic feet per board feet.
594-5 BASIS OF PAYMENT. The unit price bid per cubic foot shall include the cost of furnishing all
spikes, nails, screws, timber connectors, bolts, nuts, washers, hardware, preservative treatment and other required materials together with labor and equipment necessary to complete the work. Payment will be made under: Item No. Item Pay Unit 594.01 Timber and Lumber Cubic Foot 594.02 Stress Graded Timber and Lumber Cubic Foot 594.03 Treated Timber and Lumber Cubic Foot
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