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Review File:Riverstone <br /> Sketch Plan Exhibits <br /> Engineering Review <br /> March 29, 2017 <br /> Page 4 of 5 <br /> The De Minimus form states that the historic impacts +the proposed impacts exceed the <br /> de minimus then the exemption cannot be claimed. Staff feels the request for exemption <br /> needs further investigation before we accept it. The request must also be reviewed by the <br /> wetland specialists at the LRRWMO as part of the approval process for the exception. <br /> Geotechnical Report: <br /> 1. The logs indicate loose to very loose sands at depth in each boring. The report must be <br /> revised to indicate how these loose to very loose sands should be addressed under the future <br /> pavements. The City must maintain the roads and requires that the subgrade be as uniform <br /> as possible to prevent differential settlement of the pavements. <br /> Draft EAW: <br /> The following comments were generated after reviewing the draft EAW. <br /> Page 7 - Utility phasing needs to be clarified. The southernmost streets can be served with <br /> sewer from Bunker Lake Boulevard. The remainder of the development will send <br /> sewage to a lift station. The responsibility for construction of the lift station must be <br /> identified. <br /> Page 8 - The tabulation lists a loss of 0.4 acres of wetland. Commentary needs to be added <br /> justifying this loss, ie. De Minimus exemption. See comments above regarding <br /> supporting the exemption. <br /> Page 31 - The list of permits must be updated. McDonalds has withdrawn their permit <br /> application. <br /> Page 74 - The traffic study states turn lanes are not required on the existing roadways. <br /> Historically projects of this size in Ramsey have needed some traffic modifications. <br /> The traffic study commentary should be expanded to show the justification for not <br /> adding turn lanes. <br /> Page 85 - Remove the transit comment. Ramsey does not have transit in any part of the City <br /> due to low population density. <br /> Page 90 - The traffic data count sheets need to be updated. The file name lists Ramsey streets <br /> while the page header lists a St. Paul intersection. <br /> Page 128 - The diagrams do not accurately reflect the inplace roadways at the modeled <br /> intersections. The southern leg of diagram 2 does not exist and should not be shown. <br />