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Review File: Pine Ridge <br />Preliminary Plat Request <br />Engineering Review <br />Page 2 of 2 <br />9. A legend must be provided. <br />10. The details must be Ramsey standard details. <br />11. The pond outlet to the wetland must have a skimmer structure <br />Staff offers the following comments on the drainage calculations submitted with this application <br />plan. The calculations dated July 2, 2014 are incomplete. The project name must be on the <br />calculations. A summary letter must be provided for the stormwater calculations along with maps <br />of the existing and proposed drainage areas. The model covers 6.6 acres. The 6 proposed lots total <br />22.26 acres with 16.17 acres of upland. This is a difference of 10 acres. The west half proposed <br />drainage area does not include any pavement, the east half does not include the ditches. We <br />suspend review of the drainage calculations pending receipt of updated calculations. <br />A permit from the Lower Rum River Water Management Organization (LRRWMO) will be <br />required. <br />Utilities: All lots are proposed to be served by well and septic. The septic design report must <br />show the locations of the borings performed for design of the septic systems. <br />