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Mr.Mike Gaffron Re:Orono Villas <br /> Page 2 13 November 2006 r <br /> approval. <br /> Plans will be submifted to the Minnehaha Creek Watershed District for review and " <br /> approvaL � <br /> • See attached comments from Lance Hoff regarding drainage. <br /> • See attached comments from Jennifer Hildebrand regarding erosion control. � � <br /> Utilities <br /> • Plans should include plan and profile views for all proposed sanitary and <br /> watermain. In addition, all utility crossings should be identified and insulation <br /> should be .used when vertical separation is less than 2 feet. <br /> Plan and profile views for all sanitary and wafermain will been provided to the City in the <br /> final plans. Crossings will be identi�ed and insulation wiU be used where vertical <br /> separafiion is/ess than 2 feet. <br /> • A detailed lift station design should be submitted for review and approval. <br /> Lift station design will be provided to fhe City in the �na/plans. <br /> • The proposed 4" forcemain serving Lot 1 appears to be excessive in size. Applicant <br /> should determine pipe size necessary for service to lot and revise pfan accordingly. <br /> The forcemain serving Lot 1 has been revised, see sheet C4.9. <br /> • The City of Orono will not be responsib(e for the ownership or maintenance of either <br /> the proposed 4" forcemain from the proposed sanitary sewer gravity manhole to Lot <br /> 1, orthe proposed grinder pump for Lot 1. <br /> � A note has been added to the plans that all utilities will be privately owned, see sheet <br /> C4.9. <br /> • The proposed sewer and water services to Lot 4 encroach onto Lot 3. <br /> Appropriate easements should be provided, or the services realigned. ' <br /> Easements have been provided for all lot services that encroach into other lots, see <br /> sheet C4.1. � <br /> • In order to allow for the minimum 2% slope required on all sanitary services, and <br /> to provide adequate vertical clearance between the service and low floor elevation, <br /> we recommend lowering the sanitary sewer in the areas of the services to Lots 3, 7, <br /> 8, and 9. � , <br /> The sanitary sewer has been lowered to allow for a minimum of 2% slope for sanitary <br /> services, see sheet C4.9. , <br /> • The proposed 8" watermain should be extended southeasterly to a point near <br /> the driveway that services Lot 1, a distance of approximately 175 feet. <br /> � While we disagree with this requirement, we have revised the p/ans so that fhe 8" � <br /> watermain extends to a point near the driveway that services Lot 1 (see sheet C4.9). <br /> 100 NORTH SIXTH STREET SUITE 800C MINNEAPOLIS,MN 55403 <br /> OFFICE: 612.252.9070 FAX:612.252.9077 www.landform.net � <br />