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Surface Treatments & Pavements (Items 400-499)

491Timber for Structures

TX · 2024 Standard SpecificationsBook pages 769769View official source ↗

Article 1 — Description

Furnish and place lumber and timber.

Article 2 — Materials

Furnish materials as shown on the plans. Treat all lumber and timber in accordance with Item 492, “Timber Preservative and Treatment,” unless otherwise shown on the plans. All material must bear the grade mark of an approved ALSC agency. A grade mark must be on the timber before treating.

2.1 Finish . Provide material for railings, flooring, and wheel guards that is surfaced on four sides. Dress other

timber as shown on the plans.

2.2 Timber and Lumber . Use No. 1 Southern Pine or other materials as shown on the plans. Use the stress

grade shown on the plans. Timber grade designations refer to standard designations of the SPIB Standard Grading Rules. Use grading methods and general requirements that conform to the “General Requirements for Stress Grades” in ASTM D245.

Article 3 — Equipment

Use slings or other approved equipment for handling. Use equipment that will not damage the surface of the wood.

Article 4 — Construction

Construct timber structures in accordance with Item 490, “Timber Structures.”

Article 5 — Measurement

Timber will be measured by the 1,000 board ft ., computed on nominal sizes and the shortest commercial lengths practical for use.

Article 6 — Payment

The work performed and materials furnished in accordance with this Item and measured as provided under “Measurement” will be paid for at the unit price bid for “Treated Timber” or “Untreated Timber.” This price is full compensation for materials, hardware, equipment, tools, labor, painting, preservative treatment, and incidentals. Timber used for erection purposes that is not part of the permanent structure will not be paid for directly , but will be subsidiary to this Item. Timber piling will be paid for under Item 406, “Timber Piling.”

Source: Texas Standard Specifications for Construction and Maintenance of Highways, Streets, and Bridges, 2024 Edition. Pages 769769 of 1,034.