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SECTION 02514 <br /> 1 LIMEROCK BASE <br /> PART 1 - GENERAL <br /> ' 1 . 1 SCOPE <br /> A . The work specified in this Section consists of the construction of a base course <br /> composed of limerock constructed on prepared subgrade in accordance with these <br /> Specifications and in conformity with the lines , grades , notes , and typical cross <br /> sections shown on the Contract Drawings . <br /> PART 2 - MATERIALS <br /> 2 . 1 MATERIALS <br /> A . All limerock shall comply with Section 911 " Limerock Material for Base and <br /> Stabilized Base of the DOT's Standard Specifications for Road and Bridge <br /> Construction . All limerock used on the project shall be of the same grade and from <br /> ' the same source . <br /> Be Before placement , 97 percent of the material shall pass a 3- 1 /2 inch sieve and it <br /> shall be graded uniformly down to dust . <br /> PART 3 - EXECUTION <br /> 3 . 1 DUMPING AND SPREADING <br /> A . Transport the limerock to the point where it is to be used over rock previously <br /> placed , and dump on the end of the last spread . In no case shall rock be dumped <br /> directly on the subgrade . <br /> Be Limerock shall not be placed until the stabilized subgrade has passed all required <br /> compaction testing and been approved by the Engineer or his authorized <br /> representative . <br /> C . Spread the limerock uniformly . Remove and replace all segregated areas of fine or <br /> coarse rock with well -graded rock . <br /> D . When the specified compacted thickness of the base is greater than 6 inches , <br /> construct the base in two courses . The thickness of the first course shall be <br /> approximately one- half of the total thickness of the finished base , or enough <br /> Last revised 7/25/02 02514- 1 EAST GIFFORD <br /> RIPublic worksweithmIstorm ester Projects\Gifford East\Construction contracnechnical Specifications\Final Specifications\Division <br /> ' 2\02514 - Limerock Base.doc <br />