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SECTION 02722 <br /> CEMENTED COQUINA SHELL BASE COURSE <br /> PART 1 - GENERAL <br /> 1 . 01 SCOPE <br /> Under this item, the Contractor shall furnish all equipment, labor, materials, and transportation <br /> necessary to construct a Coquina shell base course upon the "off-site" completed stabilized subgrade <br /> restoration. <br /> 1 . 02 REFERENCES <br /> Standards applicable in this Specification shall be : <br /> A. Florida Department of Transportation - Standard Specifications for Road and <br /> Bridge Construction (2002) <br /> 1 . Section 250 — Shell <br /> 2. Section 915 - Cemented Coquina Shell Material <br /> 3 , Section 300 — Prime and Tack Coats for Base Courses <br /> 4 , Section 916 — Bituminous Materials <br /> B . American Association of State Highway and Transportation Officials (AASHTO) <br /> 1 . AASHTO T- 180 - Test for Moisture-Density Relations of Soils using a 10 lb . <br /> Rammer and an 18-inch Drop. <br /> C . ASTM International (ASTM) <br /> 1 . ASTM D 1557 - Test Method for Laboratory Compaction Characteristics of Soil <br /> Using Modified Effort <br /> 2 , ASTM D 2167 - Density and unit weight of soil in place by the rubber balloon <br /> method <br /> 3 . ASTM D 2922 (2001 ) - Standard Test Methods for Density of Soil and Soil- <br /> Aggregate in Place by Nuclear Methods (Shallow Depth) <br /> PART 2 - MATERIALS <br /> 2.01 Coquina shell shall conform to the requirements of Florida D .O .T. Standard Specifications, 2002 <br /> Edition, Section 915, and shall be from a source acceptable to Florida D.O .T. The material shall have <br /> a minimum LBR value of 100. Prior to placement, the material shall be crushed or broken to such a <br /> size that no less than 97 percent by weight will pass a 3 1 /2 inch sieve and no more than 20 percent <br /> dry weight shall wash through a No. 200 sieve. No visible clay or organic matter will be permitted. <br /> 02722 - Cemented Coquina Shell Base <br /> 02722 . 1 <br />