TIMBER PRODUCTS AND MATERIALS
951-1 Control of Quality.
All timber products manufactured for incorporation into the work shall be produced by a producer/treater approved by the Department for such production. Obtain timber products from a plant that is currently on the Department’s Production Facility Listing. Producers seeking inclusion on the list shall meet the requirements of Section 105. If approval is withdrawn by the Department during product ion for a construction project, it is the Contractor’s responsibility to obtain another approved producer/treater to produce the timber products, or await reestablishment of approval of the disapproved producer/treater. Cost or delays associated with producer/treater approval or disapproval shall be borne by the Contractor. The producer/treater of timber products shall exercise quality control through an approved Producer Quality Control (QC) Plan conforming to Section 105. Products produced under this QC Plan will not relieve the Contractor of his responsibility for unsuitable materials or workmanship, which might become apparent at the job site, nor of the necessity of his replacing any material which might be determined upon subsequent inspection to be u nsuitable.
951-2 Preparations Prior to Requesting Inspection.
Prior to the requested time of inspection for approval of a producer/treater, the authorities of the treating plant shall become knowledgeable with the most current requirements of the Departme nt’s Specifications as appropriate to his production/treatment. The producer/treater shall make his facility totally accessible to appropriate Department's inspection personnel. Such access for inspection shall include, but not be limited to, all physical artifacts and processes, materials records and copies of certified shipping documents (such as a treatment certification, a treating report, and an assay report). All calls for inspections shall be made at least two weeks in advance. Upon approval of a pr oducer/treater facility, the Department will inspect the facility periodically for continued approval.
951-3 Certification.
Each order/shipment to the job site must be accompanied with a notarized certification indicating compliance to the appropriate spe cifications. The certification shall include: the project/order number, charge numbers, and assay retention results. The producer/treater shall maintain all pertinent documents for a period of three years. Each timber product must also have a preapproved p roducer/treater identification mark on every item delivered to the job site. FY 2023-24 Return to Table of Contents SECTION 952 STRUCTURAL TIMBER
952-1 General Specifications for All Structural Timber.
This Section specifies the requirements for pine timber to be used as structural members in the Department’s work, including untreated timber as well as timber to be treated. All such timber shall be manufactured and graded in accordance with the current edition of the Standard Grading Rules for Southern Pine Timber, of the Southern Pine Inspection Bureau. The timber shall meet the requirements of No. 1 grade or as oth erwise specified in the Plans.
952-2 Timber for Other Specific Uses.
952-2.1 Specification Grade: For timber to be used for columns, sills, wheelguards,
bulkhead, sheeting, bracing, fender wales, or any other purpose for which the grade is not specified o therwise, the specification grade shall be as follows: Table 952-1 Nominal Thickness Nominal Width Grade 1 to 1.5 inches 2 inches and wider No. 1 Boards 2 to 4 inches 2 inches and wider No. 1 Dimension 5 inches and larger 5 inches and larger No. 2 Timbers
952-2.2 Permissible Knot Sizes for Fender Wales: For timber used as fender wales, the
maximum permissible size of knot (at any point on any face) shall be as follows: For nominal width of face of 10 - 3-3/4 inches. For nominal width of face of 12 - 4-1/2 inches.
952-3 Untreated Pine Timber - Specific Requirement for Heartwood.
In addition to meeting all of the requirements of 952 -1 and 952 -2, pine timber which is to be used as untreated timber will be required to show at least 85% of heartwo od on any girth. FY 2023-24 Return to Table of Contents