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3-13-19‘I*6 3:26Pfl FP-OM BaCSTPGO * AS30C 612 636 1311 P. 1 <br />J/ jBonestroo <br />Rosene <br />Anderlik & <br />^ 1 Associates <br />Engineers & Architects <br />March 13,1996 <br />Ms. Jeanne A. Mahusth <br />Building and Zoi.ing Administiatoi <br />City of Orono <br />Post Office Bot 66 <br />Crystal Bay. Minnesota 55323 <br />Re: Bennett Pond <br />File Ko. 139.2115 <br />Dear Jeanne. <br />9on#strM. Cosen^. jud Ajftoci^ts. me. n 9n Aaicn fv^uw O|**portunfry fn>o^cye* <br />Ortd G fo«^s:r^ rt <br />Robert ‘it P£.* <br />c f i <br />Marvin u SOfv«i» <br />C ^ t_ <br />Sienn » CocA P t <br />^^4* L Noyes. P L <br />RoDe-t Gl 5chAm»Cf>L P1 <br />Sui^ Eo«r«fa C-f-A.* <br />• V«ruor Con«wtt«nf <br />\ Sjn^ord. PE <br />keith > C0iion. P L <br />-Poe«ft L r^tref'e P£ <br />P*ct»3rtl w F^npf, f € <br />0«»Hi G LOSftOtAPL <br />tob«rt c Putsrx. A I.A <br />Jerry A. Sourjon PC <br />M.vt A Manfon. F£. <br />Mfcnaet r P L <br />TM K Pivie P L <br />TAOmjf t AnderjpA. .UX <br />Jjmet 0 Pesenmerfi P t. <br />DonJtd C 5ur ^jT'ft P £ <br />Th»,.,'TV4s A Ifflcj PC <br />Pfcgrf'c - P£ <br />AUcriMi P r %, <br />Tho«r»At W Peterson. P.£. <br />C. L*->c»> P t <br />Je»nej P. ValarnL P £ <br />jerry D •err^scr, e & <br />tcott .1. Arganot. P| <br />•f*nn«fr% •* /vnoe<»on. PI <br />Mer» ii Poi^S. PL <br />M»rP A 5e«0 P C <br />Gjry M' Mot‘cn P L <br />f ftui J. Gannon. A.JwV <br />Daniel i CJge^ton. Ff. <br />A {^lC* icfviHdt P C <br />Deie A. Grew. ^ X <br />Pniiin J. Cl4Jee<i PI <br />Merr O Pf, <br />MMej S. ^ch«en P C <br />L 1 njfiip G'P' *!!. ® C <br />ik,*ien t. Afiemer f 4. <br />Qjry O Knttofiti P.(. <br />tilen A Cage Ff <br />P. ^oao PwiCe/. P L <br />iceimp. rjpp p£ <br />Oo^gies J #eno»f, P £, <br />Snewr« D OiiStairton. p 4 <br />CeetPQ OPFief P L <br />»:#nt /. Wegner P L <br />r»ui G. HTwer. PC <br />iOhn P. Goran/, f t <br />Dan O Soyu#n. P <br />Jeffrey J fMerinocf, P.L <br />/cseon e Pne»n. P £ <br />ten M A,Ur>n » f <br />C*^ahfi A fnr<frtn <br />Leo M P<ycvCl!:ity <br />M <br />Agnes M_ A,r»g <br />Jamex f IngetneraC <br />We have renewed the proposal to create a pi>nd wthin an existing 0.4 acre Type 1 i: 3 wetland at <br />315 Tonkawa Road, located in the east half of Section 6. The wetland delineation is acceptable. <br />Tlic wetland is not identified on either the National Wetlands Inventory or the Cirv of Orono'.s <br /># i» <br />Wetlands Invcntor>’ Map. llie wetland is regulated by the Minnehaha Creek Watershed District at <br />tlte State level as part of the Wetland Conser\'ation Act (WC.A). and under the jurisdiction of the <br />U.S. .Army Corps of Engineers (COE) at the Federal level. E.xcavation within wetlands does not <br />require approval from the WCA. Unless the ^x>nd is modified, it will not meet the requirements of <br />the COE General Permit No. IS for e.xcavation of a wildlife pond and specific approval troin the <br />COE should be obtained prior to beginning the work. <br />The tributaty' drainage area to the pond is approximately S acres. The pond outlet is a drainageway <br />that runs under Tonkawa Road to Stubbs Bay. The proposed pond would provide runoff storage <br />volume which would have a beneficial effect on the drainageway and reduce the potential for <br />erosion. The propo.sed pond is acceptable from an engincenng standpoint and we would recommend <br />approval based on this tunciion. <br />The grading plan shows a pond depth of four feet with side slopes at 4 to 1 (horizontal to vertical). <br />We would recommend that the grading plan be revised to show more gradual slopes (8 to 1) in <br />accordance with General Permit No. 18. Silt fence should be installed at the pond outlet pru>r to <br />any grading. The disturbed areas should be seeded with a wetland mixture such as .MnDOT 250. <br />Please coniact me at this office if you liave any questions regarding this matter. <br />Yours very truly. <br />BONESIROO, ROSENE, ANDERLIK & ASSOCIATES, INC. <br />J/’ <br />Shawn D. Gustafson. P.E./ <br />2335 West Hiqnway JO • 5t. PetuI, P/IN 55113 • 612-636-4600