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1/1 Bonestroo <br />gjg Rosene <br />Anderllk & <br />|\|| Associates <br />Engineers & Architects <br />■•n«itr*«. RoMn*. Anearllk an< AiiectMM. Inc. Ii an Arnrmaflva ActlaR/SSuai Oeaortunlly ImRlajfar <br />and Iffipioytd OwndB <br />January 22,2004 <br />rclnclpau: Olto a. •ontwroo. At • Marvin U Servila. M • Oltfin ■. Cool. M. • ■ofearl & Scfkaiiclii. at • <br />Jtffy A BourMi. • Mam A. Hiviion. ^X <br />Senior Confultenii: fo^t W. Roiene. ex • Joiepn C Andtruii. ei • tichord C. Turner, n. • Susan It IMfftn. C^A <br />Aiiociate RrincIpaU: Keith A. Gordon. PL • Robert i Rfefferte. df • iichard w doner, df • Oavid O. lotfteca. fl. • <br />Michael T Rautmann. dC. • Ted R. dieid. PI • Kenneth d Anderson, n • Mart R Koifs. df t Oand A ionescroo. MB. A • <br />Sidney P. WWiamion. PI^ LX • Agnes M Ring MRA • Attan Ricii Sovmdi. dX • Thomas w dtcersoa RX • <br />i«ntt R. Maiand. dX • Macs I enien. dX • L dhiMip Gravel M. dX • Oamti i CdgenoA Pt • hmspi Mamnet PI • <br />Thomas A Syfho. RX • Sheldon i Johmon • Oaie A Grove. RE • Thomas a toupiar. df • Robert J Orrery. •£ <br />Offices; Sc Raul. St Ooud. Rocheiter and WHimar. MM • MHwautee. wi • Chtcago. X <br />MbOiite: wuvwboneifreo.ce«*i <br />MikeOaffron <br />Planning Director <br />CityofOrono <br />Post Office Box 66 <br />Crystal Bay, MN SS323 <br />'Heo <br />orvto <br />Re: 3220/3240 Watertown Road <br />Plat No. 04-2971 <br />File No. 139-04-000 <br />Dear Mike, <br />We have reviewed the preliminary plans for dte proposed two lot subdivi Aton on the site located at 3220/3240 <br />Watertown Road. The proposed use is for single-ftmily homes. The two lots will be served by a sin^e shared <br />driveway constructed across Outlet A. The driveway to serve Lot 1 requires the construction of a creek <br />crossing and culvert insullation. The creek crossing results in some wetland impacts and mitigation vnll be <br />necessary. We have the following comments in regards to engineering matters. <br />• The proposed culvert size appears to be aecepuble however we recommend the culvert be an ar^ RCP so <br />as to reduce the overall height of the structure. <br />• The low point on the driveway at the creek crossing should be lowered from 973.0 to 972.0 to provide <br />adequate freeboard for frte home on Lot 1. <br />• Plans should be svibmitted to die Miimehaha Creek Watershed District for review and approval. <br />• Pinal plans should include plan and profile views of the driveway from Watertown Road to the proposed <br />home site on Lot 1. The finished driveway should be paved and the plans should include a typical <br />driveway section. Driveway grades should not exceed 10% at any location. <br />• Plans should include storm water treatment provisions. This might include best management practices <br />(BMP’s) such as filter strips, buffers, infiltration areas, etc. <br />• Driveway easements should be in place for Lots I and 2 across Outlot A. <br />• Erosion control measures should be installed, inspected and approved b> lie dty prior to any work on site. <br />• Tire fire chief should review and comment on the access, particularly to Lot 2. <br />Please contact me at (651) 6044863 if you have any questions regarding this matter. <br />Yours very truly, <br />BONESTROO, ROSENE, ANDERLDC Sc ASSOCIATES, INC. <br />Tom Kellogg <br />Cc: OregGappa,CityofOrono <br />233S West Highway 36 • St. Paul. MN 5S1t3 ■ 651-636-4600 • Fax: 651-636-1311 <br />t <br />I <br />i