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Howard R, Green Qompany <br /> <br />· August 20, 2002 <br /> File: 818840J-0240 <br /> <br />Ms. Michele McPherson <br />Director of Planning <br />City of Elk River <br />13065 Orono Parkway <br />Elk River, MN 55330 <br /> <br />RE: PINES TOWN OFFICE PARK <br /> <br />Dear Ms. McPherson: <br /> <br />As requested, we have reviewed the submittal package for the Pines Town Office Park. This is the <br />business condominium proposal on Lot 2, Block 1 and Lot 1, Block 2, Mulvaney Point. The submittal <br />package was prepared by Mohagen Architects, Ltd., and Ulteig Engineers, Inc. Based upon our <br />review and comments received at the staff review meeting, we would offer the following comments: <br /> <br />The paved area and green space behind Buildings land 2 drain directly to Tyler Street. <br />There is no internal storm sewer that intercepts the runoff from this area. The storm sewer <br />system should be modified to pick up the runoff from this area and route it through the <br />proposed development pond. <br /> <br />The area behind Buildings 6 and 7 appears to have omitted the 908 contour. This area, <br />which is essentially landscaped, drains off of the site onto Lot 3, Block 1. The only concern <br />in this area is where the roof drainage goes. If roof drainage off the back of the buildings <br />also flows this way, it should be intercepted in the storm sewer system or by gutters placed <br />on the rear of the buildings to direct roof drainage internally to be picked up by the storm <br />sewer system. <br /> <br />There were no storm drainage calculations provided with this submittal package. Storm <br />drainage calculations including pond design will need to be submitted, reviewed and <br />approved prior to final approval of the proposal. <br /> <br />The proposed storm sewer concept for these two lots is to have an internal storm sewer <br />system interconnected under Third Street with a pond constructed just southwest of Lot 1, <br />Block 2. The storm sewer systems for Lot 2, Block 1 and Lot 1, Block 2 operate as one <br />system. We question whether or not the storm sewer systems should be designed <br />independently, each outletting separately to the proposed pond. If either of th,e <br />condominium areas is ever intended to be sold separately, independent designing would <br />likely provide for an easier real estate transaction. <br /> <br />Ltr-082002-McPherson[1] <br /> 1326 Energy Park Drive · St. Paul, MN 55108 · 651/644-4389 fax 651/644-9446 toll free 888/368-4389 <br /> <br /> <br />