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Division 8 — Incidental Construction

857PRECAST REINFORCED CONCRETE BARRIER – SINGLE FACED

NC · 2024 Standard SpecificationsBook pages 374374View official source ↗

8-34 white delineators on the right side of divided highways, ramps, loops and all other one -way

or two -way facilities. In all cases, the color of the delineator shall supplement the color of the adjacent edgelines.

854-4 Measurem Ent and Payment

Concrete Barrier, Type ____ will be measured and paid in linear feet of barrier that has been completed and accepted. Measurement will be made along the top surface at the centerline of the barrier completed and in place with no deduction made for joints. Variable Height Concrete Barrier, Type ____ will be measured and paid in linear feet of barrier that has been completed and accepted. Measurement will be made along the top surface at the centerline of the barrier completed and in place w ith no deduction made for joints. Concrete Barrier Transition Section will be measured and paid in units of each for transitions completed and accepted. Median Hazard Protection will be measured and paid for per linear feet that are completed and accepted. Such price and payment will be full compensation for all labor, materials (including, but not limited to, concrete barrier, earth material, #57 stone, concrete cover, galvanized bar and grout) and incidentals necessary construct the Median Hazard Protecti on. There will be no measurement made of barrier delineators as they are incidental to the other pay items in th is section . No direct payment will be made for the work of constructing any footing beneath the concrete barrier or concrete barrier transition sections as payment at the various contract unit prices for concrete barrier or concrete barrier transition sections will be full compensation for all such work. Price and payment includes , but is not limited to , excavating, furnishing and placing concrete, reinforcing steel, grout and hardware; transporting and placing precast units; galvanizing; constructing and sealing joints; and furnishing and installing barrier delineators. Payment will be made under: Pay Item Pay Unit Concrete Barrier, Type ____ Linear Foot Variable Height Concrete Barrier, Type ____ Linear Foot Concrete Barrier Transition Section Each Median Hazard Protection Linear Foot

857-1 Description

Construct precast reinforced Portland cement concrete barrier in accordance with the contract.

857-2 Materials

Comply with Article 854 -2.

857-3 Construction Methods

Construct concrete in accordance with Section 825 and give an ordinary surface finish, except as otherwise provi ded herein. Lift and place precast units using a two- point pick up or other approved method that will not overstress or damage the concrete. Do not use lifting devic es or methods that will mar the surface of the concrete. Do not set any precast unit that is cracked, damaged, chipped, scarred or otherwise disfigured.

Source: North Carolina Standard Specifications for Roads and Structures, 2024 Edition. Pages 374374 of 857.