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configuration has been achieved, United Companies will grade and compact the slope <br />to the approved 3H:1 V ratio. <br />4. If the beach is a swimming area, please verify that the slopes in the beach area <br />are no steeper than the required SH:1V. <br />By measurement the underwater slope of the beach is 15H:1 V. By measurement the <br />slope at the beach area above the waterline is 6H:1 V. <br />5. Using the TR-Ol map and proposed plans, DMG has determined that costs will <br />be included in the reclamation estimate for reducing 3000 linear feet of pit slope <br />to the approved 3:1 grade (including 700 of island slope). It is assumed that the <br />slopes will average 1.5:1 prior to slope reduction. <br />As noted in response to Issue 3 a revised map is being submitted with this response. <br />Most of the existing slopes at the site are graded at the approved 3H:1 V ratio. This <br />includes the existing slopes at the island and the slopes at the western part of the <br />lake's north shore. The only areas that will require re-grading from an assumed <br />1.SH:1 V to 3H:1 V will be: <br />a. At the area where backfilling is proposed. This area is located in the bay <br />located to the Southwest of the existing office building. <br />b. An additional area that has never been reclaimed. This area is located to the <br />east of the area proposed for backfilling. This area directly south of the <br />existing office building. <br />I measured the length of this shoreline on the map that is attached to this Technical <br />Revision proposal and found it to be 1,325 feet. This should be considered the <br />maximum length of shoreline that will have to be reclaimed by reducing the slope <br />grade to 3H:IV. <br />If and when imported material is used as backfill in this area the length of shoreline to <br />be reclaimed will be reduced. If the bay is filled completely with imported material, <br />the length of the shoreline where grading to 3H:1 V slopes will be required could be <br />reduced to about 950 feet. <br />6. Please revise the map to include all required details in Rule 6.12.1 and 6.4.6, <br />specifically: the approved permit boundary, roads contour elevations, structures <br />(water truck loading facility. Also, the map shows an office structure. Please <br />clarify the current condition of the structure and its proposed future. <br />All required details have been included on the revised map that is attached. <br />The office structure is idle and has been unused since 1999 when United Companies <br />moved to new offices at 2273 River Road. After United Companies left the Dike <br />Road location, the modular offices were offered to Four Corners Materials in <br />Durango, CO (another Oldcastle S W Group, Inc. company) for their use. Four <br />Corners decided not to use the offices and they remain at the Dike Road site. The <br />