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<br /> Kni ght Piesold <br /> COHSYLTINO <br />I <br /> 78 3.1.2 Section 203 -Excavation and Embankment <br /> 79 Description <br /> 80 203.01 General. This work consists of excavation, hauling, disposal, placement, and <br /> 81 compaction of all material encountered within the limits of the work, including construction of <br /> 82 dikes and the excavation for ditches and channels, necessazy for the construction of the roadway <br /> 83 in accordance with the Contract. All excavation will be classified, "unclassified excavation", <br /> 84 "stripping", "muck excavation", "rock excavation", "borrow", or "potholing" as hereafter <br /> 85 described. All embankment will be classified "embankment material" or "rock fill" as hereafter <br /> 86 described. <br /> 87 <br /> 88 203.02 Excavation <br /> 89 (a) Unclassified Excavation. Unclassified excavation shall consist of the excavation of all <br /> 90 materials of whatever character required for the work, obtained within the right of way, <br /> 9l including surface boulders and excavation for ditches and channels that is not removed under <br /> 92 some other item. Overhanging rock or other rock considered dangerous shall be removed <br /> 93 when ordered, and will be classified "Unclassified Excavation". <br /> 94 <br /> 95 (b) Stripping. Stripping shall consist of removing overburden or other specified material from <br /> 96 material pits, and the replacement of overburden or other specified material over the <br /> 97 disturbed area of the site or pit afrer the underlying material has been removed. <br /> 98 <br /> 99 (c) Muck Excavation. Muck excavation shall consist of the removal and disposal of mixtures of <br /> 100 soils and organic matter not suitable for foundation or embankment material. <br /> 10] <br /> 102 (d) Rock Excavation. Rock excavation shall consist of igneous, metamorphic, and sedimentary <br /> 103 rock which cannot be excavated without blasting or the use of rippers, including all boulders <br /> 104 or other detached stones having a volume of % cubic yard or more, as determined by physical <br />' 105 or visual measurement. <br /> 106 <br /> 107 (e) Borrow. Borrow shall consist of approved material obtained from outside the right of way, <br /> 108 required for the construction of the project. <br /> 109 <br /> 110 (f) Potholing. Potholing consists of exposing and verifying the location of existing utilities at <br /> 111 locations as directed. <br /> 112 <br /> 113 203.03 Embankment <br />I 114 (a) Embankment Material. Embankment material shall consist of approved material acquired <br /> 1 I S from excavations, hauled and placed in embankments. Approval of the embankment material <br /> 116 will be contingent on the material having a resistance value when tested by the Hveem <br /> 117 Stabilometer, or equivalent resilient modulus value, of at least that specified in the Contract, <br /> 118 and a maximum dry density of not less than 90 pounds per cubic foot. The material must be <br /> 119 stable when tested in accordance with Colorado Procedure L-3102. <br /> 120 <br />' <br /> 3-3 <br /> G:1101\00100.021A\Reports\KP\TecMical Specifcalions.tloc February 3, 2006 <br /> <br />