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(. <br /> <br />consutincj encj'neer$ d'ver$'f'ed nc, <br /> p.o. boxj. osseo, minnesota 55369 u~ (612) 425-2181 <br /> <br />civil <br />municipal <br />planning <br />environmental <br />land surveying <br />geolechnics <br /> <br />Mr. Kenneth Peterson <br />February ], 1979 <br />Page Two <br /> <br />systems. Percolation rates varied from 5 to 15 minutes per inch, <br />and are suitable rates for on site sewage disposal systems. <br /> <br />7. In review of the street plans, the street grades are in conformance <br /> with the City Code. However, we would recommend that the temporary <br /> turn-around on Basalt Street N.W. have a minimum radius of 40 feet <br /> to provide adequate area for turning of snowplowing and maintenance <br /> equipment. Also at the point where Azurite Street N.W. meets the <br /> existing roadway, the existing grade should be shown and a vertical <br /> curve may be required. <br />8. In review of construction requirements, the reference to the curb· <br /> section in item 6 should be deleted since the proposed street sec- <br /> tion is rural and item 8 should be·changed to include arch culvert <br /> pipes and the culvert gage or thickness should be stated...- <br /> <br />If you have any questions regarding the preliminary plat, please let us know. <br /> <br />Yours truly, <br /> <br />CONSULTING ENGINEERS DIVERSIFIED, INC. <br /> <br />Peter R. Raatikka, P.E. <br /> <br />cc' Zoning Members <br /> Lloyd Schnelle, City Adm. <br /> John Oliver & Assoc. <br /> Don Greenberg <br /> <br />RT2:15-66 <br /> <br />keith caswell jr.. :; darrell schneider richard sha <br /> <br /> <br />