Rev. 9-1-95

MODIFIED SECTION CONCRETE MEDIAN BARRIER

626-R-165

 

The Standard Specifications are revised as follows:

SECTION 626, BEGIN LINE 1, INSERT AS FOLLOWS:

SECTION 626 -- MODIFIED SECTION CONCRETE MEDIAN BARRIER

 

626.01 Description. This work shall consist of the construction of concrete median barrier with a modified section in accordance with the details shown on the plans or as directed.

 

626.02 Materials. Materials shall be in accordance with the following:

 

Barrier Delineators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 913.08(c)

Concrete, Class A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .702

Penetrating Sealer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 709, 909.09

Reinforcing steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .910.01

626.03 Construction Requirements. The modified section concrete median barrier shall be constructed in accordance with the applicable requirements of 706.03 or by means of an approved slip-form machine. Finishing shall be in accordance with 702.21(a). If slip-form construction is used, an approved brush finish will be permitted. All exposed surfaces of the modified section concrete median barrier shall be sealed in accordance with the applicable requirements of 709. The type, size, and location of joints and preformed joint filler shall be as shown on the plans. The modified section concrete median barrier shall be reflectorized with barrier delineators as shown on the plans. The color of the reflector of the barrier delineators shall match the color of the adjacent pavement traffic marking.

626.04 Method of Measurement. Class A concrete will be measured by the cubic meter (cubic yard). Reinforcing steel will be measured by the kilogram (pound). Barrier delineators will be measured per each.

626.05 Basis of Payment. Concrete will be paid for at the contract unit price per cubic meter (cubic yard) for concrete, A. Reinforcing steel will be paid for at the contract unit price per kilogram (pound). Barrier delineators will be paid for at the contract unit price per each, complete in place and accepted.

 

Payment will be made under:

 

Pay Item -----------------------------------------------------Pay Unit

 

Barrier Delineator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EACH

Concrete, A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .m3 (CY)

Reinforcing Steel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . kg (LB)

 

The costs of all barrier delineators damaged during installation or placement, all excavation, backfilling, joints, surface sealing, and necessary incidentals shall be included in the costs of the pay items.