873.1DESCRIPTION—This work is construction, maintenance, and removal of a temporary baffle wall.
873.2MATERIAL—
(a)Posts. 4-inch by 4-inch Alkaline Copper Quat (ACQ) Pressure Treated, Spruce/Pine/Fir, Grade 2
(minimum)of the length required. Certify as specified in Section 106.03(b)3.
(b)Plywood. 3/4-inch thick, Alkaline Copper Quat (ACQ) Pressure Treated, Spruce/Pine/Fir. Certify as
specified in Section 106.03(b)3.
(c)Fasteners. Deck screws of adequate length and approved for use with Alkaline Copper Quat (ACQ)
Pressure Treated wood. Certify as specified in Section 106.03(b)3.
873.3CONSTRUCTION—As shown on the Standard Drawings, and as follows:
Place the pressure treated posts and fasten plywood sheets as indicated and directed. Drive posts and plywood to minimum dimensions indicated to ensure flow is diverted along the length of the baffle. Clean the baffle as necessary to ensure adequate flow is maintained during all construction phases. When no longer required, satisfactorily remove.
873.4MEASUREMENT AND PAYMENT—Linear Foot
All necessary hardware is incidental.
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Source: Publication 408 Highway Construction Specifications, 2026 Edition. Pages 807–0 of 1,522. View official source ↗