SEC-02511 PAV 2008.doc

SECTION 02511

CONCRETE SIDEWALKS AND CURBS AND GUTTERS AND DRIVEWAY ENTRANCES

1. APPLICABLE PUBLICATIONS. The following publications of the issues listed below, but referred to thereafter by basic designation only, form a part of this specification to the extent indicated by the reference thereto:

1.1 AMERICAN SOCIETY OF STATE HIGHWAY AND

TRANSPORTATION OFFICIALS (AASHTO

AASHTO M 182

b URLAP Cloth Made from Jute or Kenaf

AMERICAN SOCIETY OF TESTING AND MATERIALS (astm)

A 185

Steel Welded Wire Fabric, Plain, for Concrete

Reinforcement

A 615

Deformed and Plain Billet-Steel Bars for

Concrete Reinforcement

A 616

Rail Steel Deformed and Plain Bars for

A 617

Axle Steel Deformed and Plain Bars for

C 31

Making and Curing Concrete Test

Specimens in the Field

C 143

Slump of Hydraulic Cement Concrete

C 171

Sheet Materials for Curing Concrete

C 172

Sampling Freshly Mixed Concrete

C 173

Air Content of Freshly Mixed Concrete by the Volumetric Method

C 231

Air Content of Freshly Mixed Concrete by the Pressure Method

C 309

Liquid Membrane-Forming Compounds

D 1751

Preformed Expansion Joint Filler for Concrete Paving and Structural Construction

(Non-extruding and Resilient Bituminous Types

D 1752

Preformed Sponge Rubber and

Cork Expansion Joint Fillers for Concrete

Paving and Structural Construction

D 3405

Joint Sealants, Hot-Applied, for Concrete and Asphalt Pavements

CORPS OF ENGINEERS (COE)

COE CRD-C 527

Standard Specifications for Joint Sealants, Cold Applied, Non-Jet-Fuel-Resistant, for Rigid and Flexible Pavements

2. MATERIALS.

2.1 Cement: Air entrained cement shall conform to ASTM Specification C 150, type 1A or 11A , or type 111A for high-early strength concrete.

2.2 Fine Aggregate: Fine aggregate shall be clean hard natural sand or manufactured sand, or a combination of both, and conforming to ASTM Specification C 33.

2.3 Coarse Aggregate: Except as otherwise specified, aggregate shall be hard, durable, uncoated crushed stone, air cooled blast furnace slag, or gravel conforming to ASTM Specification C 33. The maximum size aggregate shall be 1-1/2 inches.

2.4 Water: Water used for mixing and curing concrete shall be clean and potable.

2.5 Metal Reinforcement: Reinforcing steel shall meet the following specifications: Welded Wire Fabric shall conform to ASTM Specification A 185. Steel reinforcing rod shall conform to ASTM Specifications A 615, A 616 or A 616 as applicable and be provided in sizes indicated.

2.6 Metal Accessories: Metal accessories shall include all spacers, chairs, bolsters, ties and other devices for properly placing, spacing, supporting and fastening reinforcement in place. Accessories shall conform to requirements of the Concrete Reinforcing Steel Institute (CRSI "Manual of Standard Practices". Chairs and other accessories fabricated from concrete, ceramic or plastic may be used in place of metal accessories when approved.

2.7 Expansion Joint Fillers: Expansion Joint Fillers shall be asphalt impregnated fiberboard conforming to ASTM Specification D 1751.

2.8 Curing Materials: Curing materials shall conform to one of the following, unless otherwise designated.

2.9 METHOD OF MEASUREMENT AND PAYMENT: All measurements shall be units as identified in the appropriate SLINS in the Unit Price Schedule. Measurements for preparing payments shall be taken jointly with the Government Representative.

Payment for these items shall constitute full compensation for completed work including all labor and incidentals necessary to accomplish the work required by this section of the specifications.

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