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~~~ <br />~~ <br />.ver <br />MEMORANDUM <br />TO: Jeremy Barnhart, Planning Manager <br />FROM: Terry Maurer, City Engineer <br />DATE: June 6, 2007 <br />SUBJECT: YMCA Site Plan <br />File #226- 16 I P <br />As you are aware, we have worked closely with BWBR, the architects for the YMCA site and <br />their engineer, Bogart Pederson, to arrive at the proposed site plan. From a utility <br />standpoint, the building is proposed to be served by sanitary sewer extended from the <br />existing sewer in Orono Park, just east of Gary Street. Watermain will be looped from the <br />existing water tower just north of the proposed YMCA building westerly to the intersection <br />of Joplin Avenue and TH 10 to create an additional loop in the water system. Appropriate <br />hydrant locations will be placed off of this watermain loop to provide fire-fighting <br />capabilities for the proposed building. Storm sewer is accomplished through a series of <br />small diameter pipes leading to a pond along the TH 10 frontage of the site. The pond <br />incorporates the existing pond for the water treatment facility backwash discharge. The <br />pond is sized to hold 100-year runoff without discharge. In the event of a larger frequency <br />storm, an emergency overflow will spill into the TH 10 highway ditch and eventually find its <br />way to Lake Orono. <br />Access to the parking lot will be from two driveways off of Orono Road. There will be no <br />direct connection to TH 10. The most westerly driveway along Orono Road will also <br />provide access to the Matthews Auto Sales building located just west of the YMCA site. The <br />site plan calls for a sidewalk to be constructed on the YMCA site adjacent to the Orono <br />Road right of way between the two driveways. This sidewalk will then be in place for future <br />extensions. <br />The City is platting the property. The property will be divided into three lots. One lot will <br />contain the existing water tower, well and treatment facility built several years by the Elk <br />River Municipal Utilities. The largest lot will contain the YMCA site and the holding pond. <br />Lot 3 is along the east side (Gary Street) of the property. It is being cut out to be reserved <br />for potential future Orono Park development. <br />If you have any questions regarding any of these comments, please contact me. <br />S:\PLANNING\Case Files\Plat\P 07-07 Civic Campus Addition\06 06 07 Engr's comments.doc <br />