412Plant Mix Surface Appurtenances

Plant Mix Surface Appurtenances

412.1DESCRIPTION

1 This section describes the requirements for constructing curbs, spillways, median pavings, bike paths, or other minor items constructed of plant mix.

412.2MATERIALS

1 Provide materials in accordance with the following:

Material Subsection Aggregate for Plant Mix 803 Emulsified Asphalt 804.3 Hydrated Lime 820 Performance Graded Asphalt Binder 804.1

2 Use an authorized source of PGAB, in accordance with Subsection 804.1, Performance Graded Asphalt Binder and Subsection 401.2.1, Performance Graded Asphalt Binder.

3 Construct appurtenances of plant mix of the type specified. When both a ¾-inch [19 mm] maximum and a ½- inch [12.5 mm] maximum nominally-dimensioned aggregate are specified, use either.

412.3EQUIPMENT

1 Provide equipment in accordance with the requirements of Subsection 401.3, Equipment.

412.4CONSTRUCTION

412.4.1 General

1 Construct appurtenances only when the air temperature is 50 °F [10 ° C] or higher and the weather is dry.

2 Construct on firm foundations shaped and compacted to coincide with the bottom surface of the appurtenance.

3 Immediately before construction, clean existing concrete or plant mix surfaces on or against which the appurtenance will be placed and lightly coat with tack coat in accordance with Section 407, Tack Coat.

Plant Mix Surface Appurtenances SECTION 412

4 When machine forming is not feasible, hand-place and shape the material. Where practical, supplement hand-placement by the use of outside forms or screed guides to obtain smooth, even lines and grades.

5 Compact appurtenances to form a smooth, dense, and watertight surface.

6 Correct irregular curb or curb that deviates noticeably from the established line and grade by removing and replacing defective areas with new material at no additional cost to the department.

412.4.2 Acceptance

1 The engineer will accept:

Binder, and Subsection 113.2, Acceptance of Asphalt Materials.

Materials.

412.5MEASUREMENT and PAYMENT

412.5.1 General

1 The engineer will measure:

meter].

the top surface.

not included with the roadway items by the square yard [square meter] of top surface area parallel to the paved surface.

2 The department will pay as follows:

Pay Item

Pay Unit Measure to the Nearest Pay to the Nearest Bike Path (Plant Mix) TON, SY [t, m2] 0.05 ton, f [0.05 t, 0.5 m]

0.05TON, SY

[0.05 t, m2] Curb (Plant Mix) FT [m] 0.1 ft [0.05 m] FT [m] Median Paving (Plant Mix) SY [m2] 0.1 ft [0.05 m] SY [m2]

Plant Mix Surface Appurtenances SECTION 412

Pay Item

Pay Unit Measure to the Nearest Pay to the Nearest Sidewalk (Plant Mix) SY [m2] 0.1 ft [0.05 m] SY [m2] Spillway (Plant Mix) FT [m] 0.1 ft [0.05 m] FT [m]

412.5.2 Referenced Sections for Direct Payment

1 When specified, the engineer will measure, pay and price adjust for:

Pavements.

appropriate pay item, except for plant mix used for the pay item Bike Path (Plant Mix)