1085. 3(p) 1085. 4(d)
of box culver t segments . Skewed segments may require tensioning of corners before internal post - tensioning locations. Determine post -tensioning sequence, staging, etc. based on the weight of segments being tensioned. Deviating from the established post -tensioning sequence, due to field adjustments, must be approved by the District Bridge Engineer, or their designee.
Remediate joints that are not sealed , to the satisfaction of the Representative .
are stressed, then within 4 hours after stressing, protect the tendons and grout ducts against corrosion and debris by temporarily sealing all openings and vents, cleaning rust and ot her debris from all metal surfaces to be covered by the grout cap; and placing the grout cap, including a seal, over the anchor plate until the tendon is grouted. Grout ducts within 3 calendar days after tensioning. Failure to grout the ducts within 3 calendar days after tensioning will require the contractor to demonstrate the ducts are unobstructed to achieve complete grouting. If obstruction(s) are present, clean ducts to remove obstructions and re -inspect before grouting.
1085.4MEASUREMENT AND PAYMENT —
The price includes the following component items:
• Cement Concrete. Section 1001.4(a)
• Deformed Welded Wire Fabric. Section 1001.4(b)3
• Precast Reinforced Concrete Box Culvert Segments. Linear Foot The unit price includes post -tensioning, if indicated.
• Precast Reinforced Concrete Box Culvert End Segments , Aprons , and Wing Walls. Each The unit price includes post -tensioning, mechanical straps, and other incidental hardware .
• Reinforcement Bars. Section 1002.4
• Membrane Waterproofing. Section 680.4
• Selected Borrow Excavation - Structure Backfill. Section 1001.4(g)
• Rock Protection. Section 850.4(a)
• Protective Coating (Coal Tar Epoxy). Square Yard
The Department will pay as specified in Section 110.03. 1086. 1 1086. 2(b)
1086.1DESCRIPTION —This work is the construction of either structure mounted, g round mounted, or
offset sound barrier walls.