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• Page 5 <br />June 18, 1985 <br />Sand Pit <br />C. Farrell <br />After reading the plan again, we noticed that no indication was <br />given as to the steepness of the riser on the 8 to 12 foot steps. <br />Although we are very reluctant to commit to smoothly grading the <br />stairstep pattern, we will commit to producing riser slopes not steeper <br />than 5:1. This should provide for a simulation of a continuous yet <br />~~J/undulating topography without creating problems in the drainage as well <br />~ 'I as providing for on site utilization of the rainfall to sustain <br />vegetation. <br />Item 2: Will the slopes of the ditch be revegetated for <br />stabilization? <br />RESPONSE: Yes. In fact, the slope on the north side of the ditch <br />route along the north side of pit was seeded in the Spring of 1985. <br />Item 3: Will the access roads (present and potential) be reclaimed? <br />RESPONSE: That all depends on what happens when <br />completed and the reclamation nearly finished. If it <br />developed, then they probably won't be reclaimed. In <br />that it is not ready for development, then they would <br />unless the county (or the city, if it is annexed by t <br />to remain. <br />the operation is <br />is to be <br />the unlikely event <br />be reclaimed <br />ien) wants the roads <br />Item 4: Please discuss the drainage of the resulting "very gradually <br />sloping platform extending about one-half mile from the back of the <br />Sand Pit southward to Bradley Road". More than 100 acres from the <br />combined Sand Pit and Daniel's Sand Pit No. 2 areas comprise the newly <br />developed "drainage basin". "Channel" or "swale" construction on site <br />would aid in directing overland flow, thereby reducing the erosion <br />potential. <br />RESPONSE: As stated in our response to a previous item, we do not <br />J intend to construct a drainage system that will pass the water on to <br />Fountain Creek and thereby exacerbating an already serious problem. <br />Grading will be done in such a way that most of the water will be <br />retained on the site and used to help establish and maintain vegetation <br />in the event development is not emminent. On the rather large Daniel's <br />Sand Pit #2 plant site, drainage problems have rarely occurred. All of <br />this land surface will sit on top of many feet of gravel. Even heavy <br />thunderstorms rarely produce overland flows. We feel that with proper <br />grading to retain and utilize rainfall, the construction of an elaborate <br />drainage system is unnecessary. If it is to be developed and most of <br />the area paved, then drainage systems will be needed, but that will be <br />