Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1007 — TIMBER AND PRESERVATIVE TREATMENT
Illinois Standard Specifications for Road and Bridge Construction, Section 1007. Full text, cross-references and related pay items on BuildSpec.
Art. 1007.03 Timber and Preservative Treatment 798 1007.03 Structural Timber. Structural timber shall be southern pine, Douglas fir (coast region), or other species listed in Chapter 8 of the AASHTO LRFD Bridge Design Specifications. (a) Treated and Untreated Timber. When treated material is specified, the method of treatment shall be according to Article 1007.12. There shall be no heartwood requirements for timber which is to receive a preservative treatment and the amount of sapwood shall not be limited. All timber to be used without preservative treatment shall contain not less than 85…
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