Specifications include, but are not limited to: (A) General Grade marked lumber will not be required. Brand or ink stamp each piece of treated lumber in accordance with the AWPA Standard M6. (B) Bridges, Fender Systems and Piles Lumber for bridges that is 2 inches to 4 inches thick and 2 inches to 4 inches wide shall conform to Structural Light Framing, Grade No. 1 Dense. Lumber for bridges that is 2 inches to 4 inches thick and 6 inches wide and wider shall conform to Structural Joists and Planks, Grade No. 1 Dense. Lumber for bridges that is 5 inches and thicker along the least dimension shall conform to Structural Lumber, #1 Dense or Dense Select Structural (DSS). Lumber for fender systems shall conform to Structural Lumber, #1 Dense or Dense Select Structural (DSS). Timber for piles shall meet ASTM D25 except that the timber shall be Southern Pine, and have at least a 2 inches sap ring or a 3 inches sap ring where called for by the contract or where the preservative is creosote and the retention is greater than 18 lbs/cf. Rough lumber will be acceptable except where surfacing is called for by the contract or bills of material. Rough lumber may vary ± 1/4 inch from the dimensions shown in the plans or bill of material. Dressed lumber may be 1/8 inch 1 scant from the dimensions shown in the plans or bill of material. A 1/4 inch tolerance in length will be permitted. (C) Guardrail Posts Lumber for guardrail posts shall conform to Timbers, Grade No.1. Rough lumber will be acceptable. An allowable tolerance of 3/8 inch scant will be permitted from nominal dimensions. (D) Fence Posts and Braces Sawed fence posts and braces no larger than 4 inches x 4 inches shall conform to Structural Light Framing, Grade No. 2. Sawed fence posts and braces larger than 4 inches x 4 inches shall conform to Timbers, Grade No. 1. Round lumber shall meet Subarticle 1050-2(A). Use fully dressed S4S lumber for fence posts. An allowable tolerance of 1/2 inch scant will be permitted from nominal dimensions of sawed and dressed lumber. (E) Sign Posts and Battens Lumber for sign posts no larger than 4 inches x 4 inches shall conform to Structural Light Framing, Grade No. 1 MC19. Lumber for sign posts larger than 4 inches x 4 inches and lumber for sign battens shall conform to Timbers, Grade No. 1. Use fully dressed S4S lumber for sign posts and battens. An allowable tolerance of 1/2 inch scant will be permitted from nominal dimensions of sign posts. A tolerance of 1 inch under and 3 inches over will be permitted in the length of the post. (F) Poles Timber for poles shall meet ANSI O5.1 except the timber shall be treated Southern Pine or treated Douglas Fir. Use 40 feet Class 3 poles unless otherwise specified in the contract.