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Mr. Scott Harlicker • May 19, 1999 Page Two • We assume that a sidewalk will be constructed on the north and east sides of the building. No sidewalk is noted or shown graphically. B. PRELIMINARY GRADING PLAN • The parking area and dumpster access just north and west of the retail space shows three catch basins. The two at low points need to have emergency overflows designated. • It will be necessary to construct the curb and gutter on the east side of the dumpster access with "toe out" for drainage purposes. • The proposed storm sewer crosses the existing watermain in two locations. Each of these crossings should be insulated. • The proposed storm sewer leads to a manhole constructed over an existing storm sewer stub. There is also a new storm sewer line from this manhole to an existing catch basin. Why the double leads with flow able to go both directions? No sizes or slopes are provided for the existing storm sewer. These should be provided. Is the storm sewer stub too small for the flow from the new development? C. PRELIMINARY UTILITY PLAN • There is a new hydrant shown at the northwest corner of the Office Max building tapped off the existing watermain. That hydrant is shown to be on top of the sanitary sewer. Something needs to move in this area to avoid the conflict. • The retail space at the north end of the Office Max is shown to have a single 11/2 " water service. We assume that this retail space will all be under one ownership. If it is intended for more than one ownership, it needs more than one water service. • The Office Max 8" water line crosses the new storm sewer. This crossing should also be insulated. D. PRELIMINARY LANDSCAPE PLAN • The preliminary landscape plan shows a 12" and an 18" oak tree to be removed just west of the new retail space. It is unclear why these trees could not be saved. • At the exit from the parking area just north of the retail space, there is a new landscaping symbol on each side of the exit to the frontage road. There is also a note in this area to relocate three existing crabapple trees. It is unclear from the landscaping plan whether these two new symbols are to be the relocated trees, new trees, or some type of shrubbery. Certainly trees would not be appropriate in this location because of site line concerns. Low-lying shrubs would be acceptable. It should be clarified as to what is intended by the landscaping plan for this area. 0:\PROD\807230]\0240\230-19; • " rc R. Green Co^noany CONSULTING ENGINEERS