AGGREGATES, TOP SOILS AND SAND, CO-OP CONTRACT 1.3 FILL MATERIAL Fill material shall be suitable material containing no muck, quicksand, organic matter or other material that will prevent the solid formation of a suitable and enduring roadbed or embankment structure. 1.4 STABILIZING MATERIAL Stabilizing material shall be either reasonable uniform gradations of durable rock which will be blended and mixed with the natural fine material already in place, or a proper blend of fine and coarse materials which may be placed to form a stabilized course. The material shall be, in the opinion of the City capable of being stabilized to a bearing value of not less than the maximum demands of normal roadway use after a reasonable amount of blading, watering and compacting. 1.5 CONCRETE SCREENING Crushed Limerock and natural sand, course grade. Sieve Size #4 screening to be no larger than .187 of an inch. 1.6 CRUSHED LIMEROCK - MIAMI OOLITE FORMATION – 70% This Limerock shall be obtained from pits from which all overburden has been removed prior to blasting. It shall show no tendency to air slake or undergo chemical change under exposure to weather. For purposes of geological designation, all Limerock mined below the 28th degree parallel of latitude in the State of Florida shall be considered only under the classifications of LimerockMiami Oolite Formation. Limerock shall be in conformance with State of Florida Department of Transportation Standard Specifications for Road and Bridge Construction Section No. 911 (latest edition) and following requirements. The minimum percentage of carbonates of calcium and magnesium in the Limerock material shall be 70. The maximum weight percentage of water- sensitive clay mineral shall be 2.00. The maximum percentage of Fine-Grained organic matter shall be 0.03. Any constituents other than the above shall be silica or inert material. The material shall be non-plastic. The material shall be uniform in quality and shall not contain cherty or other extremely hard pieces, or lumps, balls, or pockets detrimental to the proper bonding, finishing or strength of Limerock base.
