DIVISION 1 - GENERAL REQUIREMENTS - IDEAS-EC

SECTION 02316PAVED AREA EXCAVATION AND BACKFILLPART 1 GENERAL1 .1 DESCRIPTIONA. The work of this section consists of paved area construction, including excavation and grading forasphalt concrete paved areas.1 .2 QUALITY ASSURANCE:A. All density testing will be arranged and paid for by the Contractor. Tests shall be performed by anindependent testing laboratory.B. AASHTO T99-81, Method D, will be used to determine maximum density, and AASHTOT191-61, or a standard nuclear method, will be used to determine in-place density. In-placedensities specified are minimums and may be exceeded. Contractor shall perform at least one testfor each lift for each 500 square feet in areas requiring 95 percent density relative compaction.The aggregate base course and top 6 inches of subgrade soils should be compacted to at least 95percent relative compaction.1 .3 CLASSIFICATIONA. All excavation will be considered unclassified regardless of the nature of material encountered.PART 2 PRODUCTS2 .1 EXISTING BACKFILL MATERIALA. Free from frozen material, debris, muck, detrimental quantities of organic materials, and otherunsuitable materials.2 .2 WATERA. Section 02332.PART 3 EXECUTION3 .1 GROUND SURFACE PREPARATIONA. Where new material is to be placed on compacted subgrade, scarify ground surface to providebond between old and new material.3 .2 STRIPPING AND STOCKPILING TOPSOILA. Where depth of topsoil is at least 3 inches, strip all suitable topsoil within the construction limits.The Contracting Officer will determine areas to be stripped and depth of stripping and willdesignate locations for stockpiles.02316-1PAVED AREA EXCAVATION AND BACKFILL