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Samson Oceanfront Park <br />City of Sunny Isles <br />Technical Specifications <br />EARTHWORK 02200-2 <br /> <br />backfill shall be placed where neither select backfill nor random backfill are shown on the Drawings. <br /> <br />1.04 SUBMITTALS: <br />1.05 <br /> The Contractor shall submit cross-sections for record purposes for subgrades as described in <br />this Section. <br /> <br /> <br />QUALIFICATIONS: (Not Used) <br />1.06 <br /> <br />RESPONSIBILITIES: (Not Used) <br />1.07 CERTIFICATIONS AND TESTINGS <br /> <br />: Field density tests in accordance with ASTM Standards, for each type <br />of material used in backfilling will be required. Failure to meet the specified density will require the <br />CONTRACTOR to recompact and retest, at his own expense, those areas directed by the ENGINEER <br />1.08 INSPECTION COORDINATION <br /> <br />: The CONTRACTOR shall provide access to the WORK for the <br />ENGINEER as requested for inspection. The CONTRACTOR shall provide 48 hours notice of its intention to <br />begin new WORK activities. <br />1.09 <br /> <br />PART 2 - PRODUCTS <br /> <br />2.01 <br />Warranty: (Not Used) <br />MATERIALS ENCOUNTERED <br />1. Select backfill: Select Backfill shall be material that is well graded, free of debris, roots, <br />organic matter and peat. Select backfill shall be material excavated for the WORK (native) <br />or may be imported. Should consist of an inorganic, non-plastic, granular soil containing <br />less than 10 percent material passing the No. 200 mesh sieve (relatively clean sand or a <br />crushed lime rock). The CONTRACTOR may blend native materials to achieve a material <br />that meets the requirements for Select Backfill. Select backfill shall be free from seeds of <br />nuisance or exotic species. Select Backfill shall meet the following Unified Soil <br />Classification System (ASTM D2487) designations: GP, GW, SP, or SW. <br />: <br /> <br />A. The CONTRACTOR shall excavate materials to to the lines and grades necessary for the subgrade <br />construction. <br /> <br />B. The CONTRACTOR shall consider all materials encountered in excavations, excluding peat unless <br />the quantities are less than 25 percent of the total volume, as suitable for use in random fill, providing <br />that they consist of two or more well graded soils to achieve the required compaction as specified in <br />this SECTION. No material classified as AASHTO A-5, A-7 or A-8 shall be allowed as subgrade <br />material. <br /> <br />C. The CONTRACTOR shall use only material that is free of debris, roots, and organic matter in select <br />fill areas. Peat materials are not suitable for use in select fill. <br />1. Cohesionless materials include gravels, gravel-sand mixtures, sands, and gravelly sands <br />generally exclusive of clayey and silty material - materials which are free-draining and <br />for which impact compaction will not produce a well-defined moisture-density <br />relationship curve and for which the maximum density by impact methods will generally <br />be less than by vibratory methods. <br /> <br />2. Cohesive materials include silts and clays generally exclusive of sands and gravel - <br />materials for which impact compaction will produce a well-defined moisture-density <br />relationship curve. <br /> <br />D. The CONTRACTOR shall furnish materials for each type of fill indicated. <br /> <br />