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Ms. Michele McPherson • July 21, 2000 Page Two Business Center Drive. There is an 8" sewer stub extended into the property from this lateral line. From here, the lateral line flows down Joplin Street to a trunk line located in Orono Parkway and easterly to the City Hall site where a large lift station pumps it across the Main Street Bridge. The existing sanitary sewer facilities are adequate to provide service to Pouch Pac Industries. C. Storm drainage The site on which Pouch Pac Industries proposes to locate is relatively flat. At this point, a detailed grading plan has not been prepared, but it is safe to assume that approximately half of the site would flow to the north toward Business Center Drive and the remaining half would flow to the south toward 183rd Avenue. Ponding will be needed for flow in both directions. The ponding will need to accomplish both quality control and also some rate control. For the portion that flows northerly to Business Center Drive, the ultimate outlet would be under Trunk Highway 10 and through the existing trunk storm sewer facility which flows between the Guardian Angels and Tom Hartman properties. For the portion of the site that flows to the south, there is an existing trunk storm sewer facility in Orono Parkway that ultimately outlets into Lake Orono. D. Traffic As you are aware, Business Center Drive is a 52'-wide, four-lane facility. It is certainly • capable of handling all of the traffic, both employees and trucks, that Pouch Pac Industries is anticipated to generate. The intersection of Business center Drive and Joplin Street has four-way stop sign control. The intersection of Joplin Street and Trunk Highway 10 is signalized. This should provide for safe vehicle movements to and from the site. The site plan for Pouch Pac Industries proposes two driveway accesses: one on the east side and one on the west side of the site. Both of these driveway accesses are off of Business Center Drive. There is no proposed access to 183rd Avenue. Our discussion with the developers about accesses to business Center Drive consisted of two items. First, the easterly driveway needs to be aligned with the existing accesses north of Business Center Drive into the strip mall. Second, regarding the driveway at the west side of the site, we will continue to work with the developers to explore location the driveway further to the west such that it could be used as a joint access when the Gagne Property develops immediately west of this site. We discussed a common drive on the east side of the property for the undeveloped parcel in the northeast corner of this area. However, since that undeveloped property parcel is zoned commercial and this obviously is an industrial use, it is reasonable to believe that these two types of traffic will not mix very well. Another item we are exploring and will have some more information available later is the possibility of restriping Business Center Drive from four lanes to three lanes. The idea here is to provide a center left turn lane so that all vehicles entering Pouch Pac Industries, including large semis, would be able to make their left turn from a turn lane • rather than a through lane. This situation will likely occur continuously as the property all Ltr-072100-McPherson doc Howard R.Green Company CONSULTING ENGINEERS