09-22-2004 Council Agenda - Laserfiche WebLink

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Council Members September 16, 2004 Page Two Utility Plan 1. A hydrant should be added between Lots 1 and 2 or Lots 11 and 12. 2. All watermain should be wrapped. In addition, stainless steel bolts shall be used on all fittings, hydrants, and valves. 3. All valve boxes shall be installed upon the valve with the use of a Gate Valve Adaptor as manufactured by Adaptor Inc. or approved equal. 4. The watermain parallel with Viking Drive is currently shown in the wrong location. The existing watermain extends directly from the hydrant to the west. The connection to the existing watermain will therefore be within the existing fence. The hydrant at the end of the cul -de -sac on Viking Drive should be noted to be removed and replaced as the watermain currently terminates at this point. The plans should be modified to show this correctly. 5. Approval will be necessary from the Minnesota Department of Transportation for installation of watermain within their right -of -way on Highway 36. A copy of an executed permit should be provided to the City. 6. The City has located the end of the buried storm sewer pipe in the southwest corner of the development and marked it with a green metal stake. The Developer should be required to provide an outlet from the pipe to the proposed ponds. There is a separated joint in the pipe approximately ten feet from the outlet which should be repaired by the Developer. Details 1. The hydrant detail should be modified to show the hydrant installed five -feet behind the curb and the valve box located two and a half -feet from the hydrant. A note should be added that stainless steel bolts will be required. 2. The valve and box installation detail should be modified by removing the wood blocking note and adding a note that a valve box adapter will be required. 3. The casting number on the standard manhole detail should be revised to R- 1733 -5044- 2B8. In addition, a one -foot section should be shown below the cone. 4. The water and sanitary service detail should be modified to indicate a forty -five degree bend for the sanitary service up to a five -foot depth. 5. The private street section detail should be modified to indicate B618 curb and gutter. The street width back to back should be modified to thirty two -feet. Other Comments 1. The City is investigating methods to improve the treatment of storm water runoff from County Road B2 that is not associated with this development. Possible options for treatment are a treatment structure or enlarging the ponds within the development. Use of a pond will result in improved treatment of runoff from a larger range of storms, however this option is more land intensive. An increased pond size will probably result in the loss of one buildable lot. Ltr- 091604- council