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SECTION 02510 <br /> STABILIZED SUBGRADE <br /> PART 1 - GENERAL <br /> 1 . 1 SCOPE <br /> A . The work specified in this Section consists of furnishing all material , transportation , <br /> tools , labor, and equipment to construct a firm and unyielding subgrade and all <br /> items called for or that can be reasonably inferred from the Drawings , including <br /> adding material , mixing , stabilizing , compacting , grading , testing , and other work as <br /> required for a complete job . This does not include subgrade for pump station <br /> driveway which is included in Section 02714 , <br /> PART 2 - PRODUCTS <br /> 2 . 1 PRODUCTS <br /> A . MATERIAL - Use local or hauled -in clean sand or sand and clay . <br /> Be STABILIZERS - Use high - bearing -value soil , sand -clay , ground limestone , crushed <br /> limerock , oyster shell , coquina shell , or rock screenings . Do not use muck , trash or <br /> hardpan . <br /> C . If soil cement paving is proposed do not use local yellow sand . <br /> D . In addition to these Specifications , the materials shall be in accordance with Section <br /> 914 , " Materials for Subgrade Stabilization , " of the DOT Standard Specifications for <br /> Road and Bridge Construction , latest edition . In the event of a conflict , the more <br /> stringent specification shall govern . <br /> PART 3 - EXECUTION <br /> 3 . 1 EXECUTION <br /> A . When completed , the stabilized subgrade shall conform to the sections shown on <br /> the Contract Drawings . <br /> Be If the natural soils are , <br /> acceptable for subgrade material but do not meet the <br /> p g <br /> required stability , approved stabilizing material may be brought in and uniformly <br /> mixed with the existing material to the depths shown on the Contract Drawings to <br /> produce the required bearing values , in accordance with Section 160-5 . 3 " Mixing " of <br /> the DOT Specifications for Road and Bridge Construction . x <br /> 02510- 1 02510 — Stabilized Subgrade <br />