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Ms. Kathy Glanzer August 23, 1999 Page Two ♦ At the northerly end of the parking area there should be a knockout in the curb to provide room for the two northerly stalls to back out and turn around to continue their trip out the parking lot. • Handicapped parking stalls are shown at three locations, there are no handicapped stalls adjacent to either the most northerly building or the most southerly building. B. Grading and Erosion Plan ♦ The single driveway accessing the site has been changed from a straight 5% grade to provide a landing area approximately 20 -feet long at 2 %. This will provide a much better method for vehicles to stop at Rice Street and then accelerate again when they have an opportunity to merge with traffic. • The grading plan indicates total grading on the site, therefore there will be virtually no existing trees on the site that will be saved. • There are significant number and amount of retaining walls proposed for this site. At the north end there is a 6 -foot high retaining wall proposed, along the rear of the buildings portions of the wall are terraced and at the south end there is a 5 -6 -foot high retaining wall proposed. In the extreme southeast corner the wall approaches 10 -feet in height. We believe walls of this height should have some type of fencing located along the top for safety purposes. • There is a pond proposed behind the buildings along the east side of the property. This pond needs to be provided with an emergency overflow. At this point in time no drainage calculations have been provided for the project. They will need to be submitted, reviewed and approved prior to final approval of the project. ♦ At the north end of the site there is an existing 15 -inch corrugated metal pipe which drains into the site. Nothing is shown as to how this runoff will be accounted for. It appears that this drains into the parking area and then is picked up by the internal storm drainage. If this the way that pipe drains we believe the pipe should be connected directly to the internal storm sewer. Also any drainage calculations for the site need to take into account additional run -off that will be coming from outside of the site, Finally, if the drainage system takes a portion of Rice Street does it have to be public? ♦ At the extreme southeast corner of the site there is an existing storm sewer pipe that cuts diagonally across the site. This needs to be provided with easements. • The proposed storm sewer on the site runs down the parking area and along the southerly curb line and then into the proposed pond. At the extreme southeast corner of the parking area there is at catch basin located in the trash receptacle, this is not the best location for a catch basin. Some modification of the catch basin location and grading plan or relocation of the trash receptacle needs to take plan. owarc O: \PROJ \807250j \0240\250 -2302. august99.docC °' rTh zany Page 8