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C-505 <br />DETAILS <br />DRW25001 <br />PROJECT NO. <br />PRELIMINARY PLAT, <br />SITE PLAN, AND <br />REZONING REVIEW <br />04/20/26 <br />NOT FO <br />R <br />CONST <br />R <br />U <br />C <br />T <br />I <br />O <br />N <br />SHEET <br />CERTIFICATION <br />REVISION DATE <br />ISSUE <br />PROJECT <br />D E S I G N <br />C I V I L E N G I N E E R I N G | L A N D S C A P E A R C H I T E C T U R E <br />3 1 0 4 T H A V E S O U T H , S U I T E 1 0 0 6 <br />M I N N E A P O L I S , M N 5 5 4 1 5 <br />www.elanlab.comp 612.260.7980 <br />f 612.260.7990 <br />1 2 3 4 5 6 <br />E <br />D <br />C <br />B <br />A <br />I hereby certify that this plan, specification <br />or report was prepared by me, or under my <br />direct supervision, and that I am a duly <br />Licensed Professional Engineer under the <br />laws of the state of MINNESOTA. <br />Stephen M. Johnston <br />18914 04/20/2026 <br />NOT FO <br />R <br />CONST <br />R <br />U <br />C <br />T <br />I <br />O <br />N <br />REGISTRATION NO. <br />DATE <br />ONEKA LAKE <br />RESERVE <br />HUGO, MN <br />ONEKA LAKE, LLC <br />DON WILLENBRING <br />2120 WUTHERING <br />HEIGHTS ROAD <br />EAGAN, MN 55122 <br />651-363-3915 <br />A1 <br />RECTANGULAR CATCH BASIN (RCB) <br />NO SCALE <br />24"MAX.6"MAX. <br />"L" <br />SIZE OF PIPE BARS BOLTS "L" <br />4"12" TO 42"1"3/4" <br />6"48" TO 72"1-1/4"1"12" <br />MIN. <br />TIE THE LAST 6 JOINTS ON INLET AND OUTLET PIPES AND <br />BED IN GRANULAR MATERIAL. ANY COVER LESS THAN 2' <br />OVER TOP OF PIPE SHALL BE GRANULAR MATERIAL. <br />USE 2 TIE BOLT FASTENERS PER JOINT <br />INSTALLED AT 60 DEG FROM TOP OR BOTTOM <br />OF PIPE. <br />USE 5/8" TIE FOR PIPE SIZES 12" TO 27". <br />USE 3/4" TIE FOR PIPE SIZES 30" TO 66". <br />USE 1" TIE FOR PIPE SIZES OVER 72". <br />NUTS AND WASHERS ARE NOT REQUIRED ON <br />PIPE SIZE LESS THAN 24". <br />TRASH GUARDS REQUIRED ON ALL PIPES. <br />PLACE NONWOVEN GEOTEXTILE FABRIC UNDER <br />CABLED CONCRETE AND EXTENDING 1' UNDER <br />FES <br />A2 CONCRETE HEADWALL <br />NO SCALE <br />PROVIDE 3 CLIPS TO FASTEN TRASH GUARD TO F.E.S. HOT DIP <br />GALVANIZE AFTER FABRICATION. <br />A4 <br />RECTANGULAR CATCH BASIN (RCB) <br />NO SCALEWITH SUMP <br />C1 <br />RIP RAP <br />NO SCALE C2 <br />RCP FLARED END SECTION <br />NO SCALE <br />PILING FOR STORM SEWER APRONSC4 NO SCALE