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Mr.Mike Gaffron Re:Orono Viilas <br /> Page 2 13 November 2006 <br /> approval. . � <br /> Plans wi!!be submit�ed fo the tVlinnehaha Creek Wafershed Districf for review and <br /> � approvaL <br /> • See attached comments from Lance Hoff regarding drainage. <br /> o 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 watermain will been provided fo the City in the <br /> � . : . . frnal plans. Crossings wi11 be identi�ed and rnsulation wil!be used where vertical <br /> � . separation is less fhan 2 feet <br /> • A detailed lift station design should be submitted for review and approval. � <br /> Lift station design will be provided to the City in the final plans. � <br /> i The proposed 4" forcemain serving Lot 1 appears to be excessive in size. Applicant . � . � <br /> should determine pipe size necessary�or service to lot and revise plan accordingly, � <br /> � The forcemain serving Lot 1 has been revised, see sheet C4.9. ... _ . .... .. . <br /> • The City of Orono will not be responsible for the ownership or mainfenance 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 /> � C4.1. � . <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 otl7er lofs, see . . <br /> � sheet C4.9. . - <br /> a In order to allow for the minimum 2% slope required on alf 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 �75 feet. <br /> While we disagree with fhis requirement, we have revised the plans so that the 8" � <br /> watermain extends fo a point near the driveway that services Lot 1 (see sheet C4.�). <br /> 100 NOP,TH SI;CT'H STF'.�ET SUITE BOOC ►vtl�lNEAPOLIS,MN 55403 <br /> OFFICE: 612.252.9070 FAX:612.252.9077 rv�rrN.landforn.net <br />