321313 concrete pavement surfacing.pdf

F5W61608 USPFO Warehouse Ohio Army National Guard Rev. 0 Defense Supply Center Columbus, Ohio 30 January 2009 Bid Final

CONCRETE PAVEMENT AND SURFACING 321313 - 1

SECTION 321313 – CONCRETE PAVEMENT AND SURFACING

PART 1 – GENERAL

1.1 SCOPE OF WORK

A. This work includes the furnishing of all labor, materials, and equipment necessary for the construction of the proposed Site Pavement and Surfacing improvements in substantial accordance with the Contract Drawings and Specifications. Methods of construction will generally be left to the CONTRACTOR as long as satisfactory progress is made and good workmanship is produced. CONTRACTOR shall pay for all permits required under this Specification.

1.2 STANDARD SPECIFICATIONS

A. All work, installations, procedures, materials, and testing of the work performed under this Section shall conform to the Construction and Material Specifications adopted January 1, 2008 by the Ohio Department of Transportation (herein referred to as the Standard Specifications), except as modified by this Specification.

1.3 WARRANTY

A. The CONTRACTOR shall warrant all construction associated with this CONTRACT to be free from defects for a period of two (2) years from the date of final acceptance by the OWNER. Any cracks, flaws, etc. in the paving or curb and gutter shall be sealed by the CONTRACTOR at his expense during the two (2) years guarantee period.

1.4 CONTRACTORS ORGANIZATION

A. The CONTRACTOR shall have a competent supervisor on the site during the progress of the work who shall act for the CONTRACTOR in all matters concerning the work. He shall have the authority to receive directions and to act upon directions from the OWNER.

1.5 RELATED DOCUMENTS

A. Drawings and General Provisions of the Contract, including General and Supplementary Conditions and Division - 1 Specification Sections apply to work of this section.

1.6 SUBMITTALS

A. Subgrade, aggregate base course, and bituminous base and surface courses shall be

Defense Supply Center Columbus, Ohio 30 January 2009 Bid Final

CONCRETE PAVEMENT AND SURFACING 321313 - 2

tested for conformance with this specification by the GEOTECHNICAL ENGINEER. The OWNER will employ a GEOTECHNICAL ENGINEER to perform tests on the subgrade, aggregate base course, and bituminous base and surface course materials.

1.7 PAYMENT

A. All work required under this Section shall be included in the Lump Sum Contract Price.

PART 2 - PRODUCTS

2.1 SUBGRADE

A. Subgrade shall conform to Item 204 – “Subgrade Compaction and Proof Rolling” of the Construction and Material Specifications. Subgrade shall be compacted to a dry density of not less than 95% of the standard Proctor maximum dry density of the material. Prior to placement of any paving materials, the subgrade shall be cleared of all loose materials.

At any time that trucks cause rutting or displacement of the subgrade material, the subgrade shall be reshaped and compacted.

2.2 CRUSHED AGGREGATE BASE COURSE

A. Crushed Aggregate Base Course shall conform to Item 304 – “Aggregate Base” of the Construction and Material Specifications. Base course shall be to the compacted thickness as shown on the Contract Drawings of crushed limestone containing the following gradation:

Sieve Size Percent Passing

1 1/2

in. 1 in. 1/2" No. 4 No. 16

No.

100 95+/-5 75+/-15 43+/-13 25+/-15 8+/-4

2.3 PORTLAND CEMENT CONCRETE PAVEMENT

A. All rigid pavement shall consist of Reinforced Portland Cement concrete pavement and shall conform to Item 451 –“Reinforced Portland Cement Concrete Pavement” of the Construction and Material Specifications. The rigid pavement shall have a compacted finish thickness as shown on the Contract Drawings.

B. Pavement Joints

1. Pavement Joints shall be constructed in accordance with the Construction and Materials Specifications and the Contract Drawings.

Defense Supply Center Columbus, Ohio 30 January 2009 Bid Final

CONCRETE PAVEMENT AND SURFACING 321313 - 3

2.4 CONCRETE BARRIER CURB, DEPRESSED CURB & GUTTER, AND COMBINATION

CURB & GUTTER

A. All Concrete Barrier Curb, Depressed Curb & Gutter, and Combination Curb & Gutter shall conform to Item 609 – “Curbing, Concrete Medians, and Traffic Islands” of the Construction and Materials Specifications and as detailed on the Contract Drawings.

2.5 STRIPING MATERIAL

A. Striping utilized to designate parking areas, handicapped parking areas, and symbols utilized to designate traffic flow shall be paint conforming to the requirements of Item 641

– “Pavement marking-General” of the Construction and Material Specifications. Striping and symbols shall be to the color as shown on the drawings.

2.6 PORTLAND CEMENT CONCRETE SIDEWALK

A. Portland Cement Concrete Sidewalk shall consist of four (4) inches of fiber-reinforced Portland cement concrete pavement and shall conform to Item 511- “Concrete For Structures” of the Construction and Material Specifications.

B. Fiber reinforcement shall consist of 100 percent virgin polypropylene, fibrillated fibers, specifically manufactured to the optimum gradation for use as concrete secondary reinforcement. Volume of reinforcement shall be a minimum of 1.5 pounds per cubic yard of concrete.

1. Fiber reinforcement shall be equal to product of Fibermesh Company, 4019 Industrial Drive, Chattanooga, TN 37416.

PART 3 - EXECUTION

3.1 GENERAL

A. Placement, grading, compaction, construction, and maintenance of the subgrade, sub-base, aggregate base course, prime coat, bituminous concrete binder and surface courses, curbs etc. shall conform to the respective sections of the Standard Specifications.

3.2 SUBGRADE PREPARATION

A. At any time that trucks cause rutting or displacement of the subgrade material, the subgrade shall be reshaped and compacted. The subgrade shall be in a moist condition at the time the concrete is placed.

Defense Supply Center Columbus, Ohio 30 January 2009 Bid Final

CONCRETE PAVEMENT AND SURFACING 321313 - 4

3.3 AGGREGATE BASE COURSE

A. The base course shall be placed in two layers not exceeding four (4) inches compacted to the thickness shown on the drawings. The base shall be kept clean and free of foreign matter.

3.4 UTILITY TRENCH BACKFILLING

A. In all pavement and curb and gutter areas, backfilling with course aggregate or fine aggregate (of the gradations shown below) where specified shall be undertaken and compacted to its maximum density.

Sieve Size Percent Passing

1 1/2

in. 1 in. 1/2" No. 4 No. 16

No.

100 95+/-5 75+/-15 43+/-13 25+/-15 8+/-4

Sieve Size Percent Passing

No. 4 No.

No.

100 95+/-5 8+/-4

3.5 FIELD QUALITY CONTROL

A. Earth Subgrade

1. Upon completion of the subgrade preparation and prior to the aggregate base installation the CONTRACTOR shall, and as a condition of its acceptance, deliver to the ENGINEER a written report from the Geotechnical Engineer certifying that the compaction requirements have been obtained including the in-place soil density test reports.

B. Aggregate Base Course

1. Upon completion of the aggregate base course and prior to the concrete pavement placement the CONTRACTOR shall, and as a condition of its acceptance, deliver to the ENGINEER a written report from the Geotechnical Engineer certifying that the compaction requirements have been obtained.

END OF SECTION 321313