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6. Are the elevations for the pond spillways correct on the maps or in the SEDCAD+® <br />runs? The model for RP 2-3 indicates the riser is 7' tall, with a top elevation of 5496'. <br />if this is the case, looking at Map 79, the bottom 2' of the riser would be below the <br />indicated floor elevation of the pond. The same problem exists for RP-4, with the lower <br />.5' of the riser below ground level. Please clarify the maps and designs to indicate what <br />is the actual situation. <br />7. The location of the culvert for the dozer crossing in the east ditch of Refuse Pile SA <br />should be shown on Map 80A or any other map showing the ditch. <br />8. All of the maps submitted with the revision need to be certified by the designing <br />engineer, or the engineer who has reviewed the designs. The maps submitted were <br />certified m 1983. <br />This memo is located at m:\coal\dtm\101096 <br />sLa~ioto96 <br />Dan Mathews 2 October 11, 1996 <br />