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• P• 8 <br />June 18, 1985 <br />Daniel's Pit 2 <br />C, carrell <br />Item 3b - How are these slopes different from the present condition? <br />RESPONSE: The primary difference will be in the length of the <br />slope. For example, where the northbound side of Academy joins the <br />entrance from and exit to Bradley Road, the slopes along the roadside <br />are about a 2.5:1 and nearly 70 feet high. This means the 2.5:1 slope <br />is nearly 200 feet long. Our plan will reduce the height of this slope <br />to about 12 feet with a similar gradient. The result will be a 2.5:1 <br />slope nearly 1/6 as long or about 32 feet. In our opinion and the <br />opinion of the Highway Department this is a considerable improvement. <br />We are sure you and the Board will agree that the reduction of highway <br />slope by a factor of 6 will be of considerable benefit to the integrity <br />of the highway. <br />Item 3c - Are these slopes included as part of the Reclamation Plan? <br />RESPONSE: In most instances there will be little reclamation that <br />will be needed on the highway slopes proper because all we will be doing <br />J is, so to speak, chopping the top off of a slope without actually doing <br />much alteration to the highway slope that remains. Our reclamation will <br />be done on the area that remains after chopping off the top of the <br />slope. However, in those few areas where the highway slope needs to be <br />retreated either as a result of minor reshaping or unavoidable minor <br />disturbance, reclamation will of course be done. But we feel that under <br />this plan such work would amount to only a few thousand square feet in <br />total. <br />Item 4 - Topsoil stockpiles in place longer than one growing season <br />should be graded to slopes no steeper than 2H:1V and seeded with a <br />perennial covercrop for conservation purposes. Please commit to such. <br />RESPONSE: We agree to do this. <br />Item 5 - lJhat is the approximate total volume of topsoil available <br />for reclamation purposes. <br />RESPONSE: As stated in the soils information, the actual average <br />depth on this rather large area is difficult to estimate because there <br />is a good deal of variability depending upon topography. The depth can <br />range from 12 or more inches to as little as 3 or 4 inches. If an <br />average depth of 8 inches is used then the total volume available will <br />be around 175,000 cubic yards, plus or minus 20 or 30 thousand cubic <br />yards. That is about as close as it can be estimated without a full <br />soil survey including the determination of soil depths at soil bore <br />holes located about every 100 to 200 feet over an area of about 160 <br />acres. It is unlikely all that effort and expense would produce a <br />better planning of the reclamation. The fact remains that it is <br />probable that some areas will be topsoiled while other areas won't be <br />topsoiled. The important point is that soil will be used on those areas <br />where soil would do the most good. <br />