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pf07-002
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Planning Files
Planning Files - Planning File #
07-002
Planning Files - Type
Planned Unit Development
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Lawn/Landscaping Short grasses on upland soils <br />Short grasses and mixed frees with 11-25% impervious <br />cover <br />Short grasses and mixed trees with 26-50% impervious <br />cover <br />Impervious Surface Buildings and pavement with 91-100% impervious cover <br />Pavement with 91-100% impervious cover <br />The division of the Arden Hills parcel into these differer�f categories was based <br />on analysis of aerial photography. Without dafa from MLCCS, this method of <br />attributing categories based on best known information is acceptab/e but will <br />produce general differences in previous estimates.�The,MLCCS data forthe <br />Roseville parcel can be assumed to be more'accurate fhan information available <br />when land cover was addressed in the 1986 EAW. �`�L "�` :. <br />��.,. <br />In addition, the land cover categories designated by fhe State°of;Minnesota for <br />"«'=���a,. <br />EAWs have changed between 1986 and 2007. In 1986, the EAW�for�m did not <br />have a lawn/landscaping category. It is understandable then, that tfie numbers <br />of acres for the categories would be differenf. The total acreage amount is a/so <br />different between 1986 and 2007. However, with the more detailed technologies <br />and information ava�lable�today, fhe estimates are more accurate and based on <br />public data available from Ramsey,County and the Minnesota DNR. <br />The land cover numbers <br />totals in the`'2007°EAW. <br />Typ <br />Cropland `ti �>� <br />Lawn/landscapin <br />Impervious surfa <br />Other <br />TOTAL <br />Befo <br />75 <br />0. 00 <br />25. 01 <br />21.84 <br />0. 00 <br />94. 64 <br />sed to reconcile the before and after <br />estimafes are as follows: <br />�:;�->_ <br />(Revised) <br />After <br />�17.75 <br />�25. 20 <br />2. 28 <br />0. 00 <br />23. 76 <br />25. 65 <br />0. 00 <br />94.64 <br />3. Comment: The stormwater plan identifies several areas for stormwater ponds <br />that are currently wooded. Does this mean that more woods will be removed <br />than was noted in Item #10? Will the replacement tree measure the same <br />caliper inches as the original tree removed? <br />Response: The exact location of new stormwater ponds has not been identified <br />because final design has not been completed. However, the Stormwater <br />Management Study did identify severa/ potential placements for new stormwater <br />ponds or the expansion of existing ponds based on the need for additional rate <br />control and water quality measures as would likely be required by the Rice <br />Creek Watershed District. The placement of these ponds could include the <br />removal of trees; but should not significantly change the land cover estimates as <br />a result of pond placement. If free removal is necessary, replacement trees will <br />be planted according to an approved Landscaping Plan that wi!! be developed <br />TKDA Project No. 13529.002 Page 2 Draft Date: July 9, 2007 <br />
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