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NOU -06 -2000 15:40 <br />oTKDA <br />651 292 0083 P.02/03 <br />TOLTZ, KING, DUVALL, ANDERSON <br />AND ASSOCIATES, INCORPORATED <br />ENGINEERS • ARCHITECTS • PLANNERS <br />• <br />• <br />MEMORANDUM <br />To: John Powell <br />Copies To: <br />From: Jason Wedel <br />Date: November 3, 2 <br />1500 PIPER JAFFRAY PLATA <br />44-4 CEDAR STREET <br />SAINT PAUL, MINNESOTA 55101-2140 <br />PHONE: 651x292 -400 FAX; 651r282-0083 <br />• <br />Reference: Mueller -Bies Funeral Home <br />Lino Lakes, Minnesota <br />Commission No. 11985 -002 <br />I have reviewed the revised plans for Mueller -Bies Funeral Home Bank received on October 23, <br />2000. I have the following comments: <br />1. A drainage area map needs to be provided. <br />2. The Time of Concentration path increases from 531 feet, under existing conditions, to <br />1029 feet, under the proposed conditions, for subcatchment 1. A sketch of the Time of <br />Concentration paths needs to be provided. <br />3. The grading plan calls for 15" RCP from the outlet control structure, but the detail <br />provided shows a 12" RCP. The detail needs to be corrected. <br />4. The outlet detail and the hydrocad calculations show an outlet elevation of 893.0, but the <br />grading plan shows an outlet elevation of 892.0. The grading plan needs to be corrected. <br />5. The orifice opening for the outlet structure appears to be underground based on the <br />grading plan. Either the grading of the pond needs to be adjusted, or a pipe will need to <br />be extended from the orifice. <br />6. The outlet control structure detail should be shown on the grading plan, not on a separate <br />sheet of paper. <br />7. The grading plan shows a bale check detail, but the location of where the bale checks are <br />to be used is not shown. <br />8. The slope of the storm sewer that crosses beneath the driveway entrance does not <br />correspond with the invert elevations shown. <br />9. The class of storm sewer pipe must be shown. <br />10. The cover for watermain that is 10 inches or less is 8 feet. <br />11. The silt fence detail is not the City detail. <br />12. The rock construction entrance needs to be dimensioned as 20' minimum width. <br />13. Relocate the 6 -inch gate valve near the tee. <br />14. The proposed right -of -way needs to be shown on the plans. <br />An Equal Opportunity Employer <br />