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<br />e <br /> <br />Mr. Steve Ach <br />September 13, 1993 <br />Page 'TWo <br /> <br />5. Grading Plan <br /> <br />a. The grading plan shows a small amount of grading on the extreme east side of <br />the site in the MnDar right-of-way. This grading will require a MnDar permit. <br />It may be easier to just revise the grading plan to eliminate any work within the <br />right-of-way. <br /> <br />b. The grading on the north side of the site should provide for an emergency <br />overflow for the storm sewer system. In the event that the. catch basins located <br />in Yale Street become plugged or that there is a large frequency rainfall event, it <br />would be best to have an overflow route designed into the parking lot such that <br />there is no possibility of damage to the building itself. <br /> <br />c. The proposed finished floor of the building is shown as 84.76. However, the <br />corners on the east side of the building are shown at 85.23. It is not clear how <br />the corner of the building can be approximately half a foot higher than the finished <br />floor. This should be clarified. <br /> <br />e <br /> <br />d. <br /> <br />The portion of the site on the west side of Yale Street shows drainage from south <br />to north along the Yale Street frontage. However, the southerly driveway shows <br />a spot elevation of 84.94 while the north driveway shows a spot elevation of 85.0. <br />Obviously, drainage cannot flow uphill. It appears that the 85.0 elevation is an <br />error. This should be checked and verified. <br /> <br />e. In the southwest corner of the site, there is an 886 contour which is shown <br />incorrectly. This contour should wrap through the site rather than terminating at <br />the edge of the parking area. <br /> <br />f. There is a silt fence erosion control type of detail shown on the site plan. <br />However, there is no location shown for the instaliation or erosion control. <br />Actual locations of erosion control should be shown on the site plan and should <br />be installed prior to any activities beginning on the site. <br /> <br />6. There is a retaining wall shown at the rear of the parking area in the northwest corner. <br />This retaining wall reaches a maximum height of approximately 7-8 feet. However, there <br />are no details for the actual construction. Additional details should be provided on the <br />site plan. <br /> <br />7. <br /> <br />There is a detail on the site plan for a barrier-type of concrete curb and gutter. It is not <br />clear where it is intended to place this concrete curb and gutter. According to City <br />policy, concrete curb and gutter should be provided around the entire perimeter of all the <br />parking and bituminous paved areas. <br /> <br />tit <br /> <br />197-1301.sep <br />