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ti <br /> ditch located above and immediately south of Coal Creek and the <br /> Dutch Creek Flume. <br /> The Project Areas is sub-divided into West, Central and East work <br /> areas. Map 4, Project Area, depicts these areas. Demolition and <br /> disposal will be accomplished at each work area as described below. <br /> West Work Area <br /> *Concrete foundations which supported the Sutey Refuse Disposal <br /> Area conveyor and associated stacking equipment, wall and building <br /> foundations are the dominant structures requiring demolition in <br /> this area. This work area extends north across Coal Creek to <br /> include conveyor belt foundations in that area. All concrete, <br /> cinder block and asphaltic structures and materials located in the <br /> West Work Area will be demolished to a depth of three feet (3' ) <br /> below ground level as measured immediately adjacent to each <br /> structure. <br /> Rubble produced from this work area will be removed for disposal to <br /> the back wall located at the southern portion of the work area. <br /> The disposal area boundaries will be marked in the field by PROJECT <br /> MANAGER. The rubble will initially be placed against the backwall , <br /> and shall extend to no further than the perimeter of the disposal <br /> area. The rubble shall be placed as tightly as possible within the <br /> disposal area, and will be spread as evenly as possible from south <br /> to north. Rubble shall be deposited in the disposal area in such <br /> a manner so that void spaces are minimized, and so that the top of <br /> the rubble is level. No piece of rubble or debris may exceed a <br /> height of eighteen inches (1811) above the mean elevation of the <br /> surrounding material . The outslopes established by disposal of the <br /> rubble may not exceed 3 .5H:1V upon completion of the Project. The <br /> height of rubble when placed in the area shall not exceed eight <br /> feet (8' ) as measured from ground level immediately adjacent to the <br /> disposal area. <br /> Central Work Area <br /> All concrete, block wall, and asphaltic materials as well as <br /> miscellaneous debris and materials located within the designated <br /> demolition area will be demolished and transported to the adjacent <br /> disposal area. <br /> Demolition will occur within a one hundred twenty feet (1201 ) wide <br /> corridor near the northern boundary of the work area. The <br /> demolition corridor begins at the low concrete wall adjacent to the <br /> perimeter ditch located just above and south of Coal Creek. The <br /> demolition corridor extends south for one hundred twenty feet <br /> (1201 ) . The southern boundary of the demolition corridor shall be <br /> marked in the field by PROJECT MANAGER. All concrete, block wall, <br /> and asphaltic materials as well as miscellaneous debris and <br /> materials located within the demolition corridor shall be <br /> demolished to a minimum depth of three feet (3' ) below ground level <br /> as measured from ground surface immediately adjacent to each <br /> 3 <br />