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FEB -04 -2003 11 :27 <br />• ENG1A TKDA, <br />ERS • ARCHtTECIS • PLAPRIERS <br />MEMORANDUM <br />CITY OF LINO LAKES <br />651 982 2499 P.03 /93 <br />1500 Piper Jaffray Plaza <br />444 Cadar Street <br />Sahli Paul, MN 55161 -2140 <br />(651)292 -4400 <br />(651) 292 -0083 Fax <br />www.tkda.eom <br />To: James E. Studenski Reference: Drainage Review for <br />Copies To: Living Waters Lutheran Church <br />City of Lino Lakes, Minnesota <br />Comm No. 12701 -002 <br />From: Stephen W. Hartley Routing: <br />Date: January 31, 2003 <br />The following documents, submitted to the City of Lino Lakes, were used to review the Living Waters <br />Lutheran Church expansion plan: <br />Plan Set dated January 13, 2003 from ATS &R <br />Stormwater Calculations dated January 10, 2003 from ATS &R <br />el After reviewing the above documents, I have the following comments. <br />• <br />1. The City is only requiring the area to be disturbed to be submitted in the computations. <br />2. The maximum increase of 35 cfs over existing conditions does not warrant a separate pond and <br />control structure. Such a control structure would have maintenance issues due to the small apertures <br />needed to control the flow rates. This water discharges to a ditch that ultimately discharges to a pond <br />in the northeast corner of the property. According to conversation with AST&R, the addition of the <br />Sanctuary is the end of Phase 1, and the parking lot and pond were sized for the Phase 1 ultimate <br />design. It is realized that if any future expansion happens, that the parking lot and pond size may <br />have to increase. <br />2. The City will need to verify that Rice Creek Watershed District has given approval before final <br />approval is given from the City. <br />An Employee Ownod compaay Promoting Affirmative AcIiarr and Equal Opportunity <br />TOTAL P.03 <br />