CCP 01-13-1992 - Laserfiche WebLink

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I .. SCOPE The City of Arden Hills has directed Maier Stewart & Associates. Inc. to I prepare a set of plans that will provide an overflow for the wetland preservation area located within the Keithson Addition and size the storage I pond for the entire drainage area. I The information in this report is based on the North Central Drainage Report I prepared in 1978 and approved by the Rice Creek Watershed District. This project is contained within a drainage area named A-7 by the North Central I Drainage Report. The low area in the southwest corner of this drainage I area, north of Arden View Drive has been designated as the ponding area for the entire drainage area. This low area is designated pond A-7a. I The entire drainage area can be divided into three sub areas which are: II 1. The area around the wetland preservation area; 2. The area around pond A-7a; and I 3. The area around the low area south of the Keithson Addition and east of Pond A-7a. I I The conculsion of this report explains what should be completed now and in the future based on the information in this report. I EXISTING AND PROPOSED CONDITIONS I The wetland preservation area as designated by the Rice Creek Watershed I District, is a low area located within a drainage and utility easement in Lots 4, 5 and 6, Block 1 of the Keithson Addition. Page 2 of the enclosed plans shows the location of the wetland preservation area. The elevation of the pond bottom is 969.50 and presently has a water elevation of 971.7. I