5.1. PCSR 05-25-2004 - Laserfiche WebLink

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r ri a 1,2a I fowarc R. Greer Compary May 10, 2004 File: 823650J-0240 Mr. Chris Leeseberg City of Elk River 13065 Orono Parkway Elk River, MN 55330 RE: POWELL PETERSON, INC. BMS INVESTMENTS, LLC. Dear Mr. Leeseberg: As requested, we have reviewed the site plan information submitted for the proposed Powell Peterson truck terminal to be located on Lot 1, Cascade Industrial Park off of Jarvis Street. Hakanson Anderson Associates, Inc., of Anoka, Minnesota, prepared the information we reviewed. Based on our review, we would offer the following comments: 1. The site is proposing two access points onto Jarvis Street: one that leads directly into the 6,000 square foot building, and the second that leads into the parking lot to the south of the building. We would recommend that this site be limited to one driveway access off of Jarvis and have an internal connection to the parking lot. 2. The primary and secondary drain field sites are shown just north of the building near the front of the lot. It will be important that this area be well-protected during the grading of the site, since the majority of the remaining site is to have grading accomplished on it. 3. The parking area and the drive to the proposed building appeared to have curb and gutter around them and appear to be hard-surfaced, although it is not called out what type of material. The material type should be noted along with the type of concrete curb and gutter. The remaining portion of the site, again, is not noted as to the type of surfacing. At this point, we can only assume that it will be some sort of gravel surfacing. There are proposed yard bumpers around the perimeter. The site is graded to drain from east to west into the large ponding area located on the rear of the lot. A major concern would be what will keep the fine gravel material from washing into the ponding area under heavy rainfalls, and essentially plugging the pond bottom, eliminating infiltration? Some means of protecting against the gravel material ending up in the pond needs to be provided on this site. It appears that a portion of the north part of the gravel yard area will actually drain off to the north onto the adjacent property. Some adjustments to the proposed grading plan need to take place to ensure that the drainage will stay on the site and/or follow the drainage and utility easements along the perimeter to the ponding area. Ltr-051004-Leeseberg.doe