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f <br />t <br />i <br />« <br />^ 1 <br />L. <br />Any gmrally straight-lin* solution in the requirad area results in <br />destruction of all trees and vegetation in nearly 20% of the lot <br />surface A ait through the hank and contour slope averaging 14* <br />to 18* in depth over a horaontal distance of approwmaiely 140* is <br />neceniTY Amounts of soil removed for these scenarios <br />range from 1350 CY to 1700 CY in the a-75* zone only The <br />driveways for these routes average 15% to 16% grade over their <br />erttuw length, steep by anyone’s definition. All surface run-off in <br />the affected area drains to the driveway and heads unimpeded out <br />of the narrow driveway chute directly across the road and into the <br />lake. This is roughly the same line that a skidding autonwbile <br />would fbilow on a frozen driveway surface orwe downward travel <br />on the steep grade began with no bail-out position. <br />Proposal <br />The solution we propose is a driveway that enters at the east^ <br />edge of the site addressirrg the concern for sitelines on Bayside <br />Road, but then turns generally to the West arrd traverses the bank <br />with a gradual 8% straigW-lirre driveway that approa^res the <br />natural contour as it approaches the West line. A relief postion <br />(riearly flat) occurs at this point allowing the driver to turn North <br />and again ascertd even more gradually (6% grade) to the rear of <br />the building pad This second leg follows very nearly the natural <br />contour requiring minimal revision of the existing surface. <br />The benefits of this solution are found in every area of concern. <br />This plan caHs for the least soil removal artd site revision of the <br />available courses of action. Cuts in the bank average 1(7 in depth <br />as the driveway crosses the lot requiring the removal of <br />approximately 900 CY. Retaining wails would be installed on the <br />uphill side of the drive as it traverses the bank. Only the minimum <br />number of trees would be lost and the existing vegetation would <br />only be disturbed in the area of the cut and to allow for <br />construction of the retaining wails. The downhill side of the bank <br />would be protected and left undisturbed as much as possible. <br />The surface water run-off would be allowed to drain much as it <br />does now. Water traveling down the West leg of the driveway <br />would able to leave the drive and travel down the bank <br />approximately 5(7 before reaching the road. Only water moving <br />down the traversing slope would exit directly onto the road.