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<br /> Knight Piesold <br /> GONSVLTIHG <br />' <br /> 554 yard of cement and 60 pounds pet cubic yard of fly ash for 100 pounds per cubic yard of <br />' 555 <br />556 cement. <br /> 557 Recycled broken glass (glass cutlet) is acceptable as part or all of the aggregate. Aggregate <br /> 558 <br />559 including glass must conform to the required gradations. All containers used to produce the <br />cutlet shall be empty prior to processing. Chemical, pharmaceutical, insecticide, pesticide, or <br /> 560 other glass containers containing or having contained toxic or hazardous substances shall not <br /> 561 <br />562 be allowed and shall be grounds for rejecting the glass cutlet. The maximum debris level in <br />the cutlet shall be 10 percent. Debris is defined as any deleterious material which impacts the <br /> 563 performance ofthe flowfill including all non-glass constituents. <br />' 564 <br />565 <br />(b) Bed Course Material. Material shall conform to the requirements of subsection 703.07. Upon <br /> 566 approval, aggregate base course conforming to the requirements of subsection 703.03 may be <br /> 567 used in lieu of bed course material. <br /> 568 <br /> 569 (c) Filter Material. Class A, Class B, and Class C filter material shall conform to the <br /> 570 requirements of subsection 703.09. Class of material shall be as specified or designated. <br /> 571 <br /> 572 Construction Requirements <br />' 573 206.03 Structure Excavation and Structure Backfii. Unsuitable foundation material <br /> 574 shall be removed and wasted in a manner acceptable to the Engineer, and the excavated material <br /> 575 will be paid for as structure excavation. Excavation and backfill for areas in excess of 3 feet <br /> 576 below designed elevation will be paid for as provided in subsections 104.03 and 109.04. <br /> 577 Unsuitable foundation material which is suitable for embankments, and suitable surplus <br /> 578 excavated material shall be used in the construction of embankments. Unsuitable material <br /> 579 removed below designed elevation shall be replaced with approved material. <br /> 580 <br /> 581 Rock, hardpan, or other unyielding material encountered in trenches for culvert pipe or conduit <br />' 582 shall be removed below the designed grade for a minimum depth of 12 inches. This extra depth <br /> 583 excavation shall be backfilled with loose structure backfill (Class 1) or other approved material. <br /> 584 <br />585 The base of structure backfill shall be scarified to a depth of 6 inches and compacted with <br />moisture and density control prior to placement of any structural element or structure backfill. <br /> 586 The type of compaction shall be the same as that required for structure backfill (Class 2), as <br />1 587 <br />588 specified below. Backfill shall consist of approved materials uniformly distributed in layers <br />brought up equally on all sides of the structure. Each layer of backfill shall not exceed 6 inches <br /> 589 before compacting to the required density and before successive layers are placed. <br />' 590 <br />591 <br />Structure backfill (Class 1) shall be compacted to a density of not less than 95 percent of <br /> 592 maximum density determined in accordance with AASHTO T 180. Required density for <br /> 593 structure backfill (Class 2) shall conform to subsection 203.07. The type of compaction shall be <br />' 594 as specified in the contract for embankment construction. When there is no embankment in the <br /> 595 Contract or the type of compaction for structure backfill (Class 2) is not designated, the type of <br /> 596 compaction shall be AASHTO T 180. <br /> 597 <br /> <br /> 3-IS <br /> G.1107\pp10002\H1ReporlslKPlTeU\nical Specifcationa.000 Febnury 3, 2006 <br /> <br />