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N <br />VAR/E. <br />f 10' <br />10 <br />4" TOPSOIL MIN <br />1-FOOT MINERAL COVER SOIL, PER <br />SPECIFICATIONS. EXCAVATION BELOW FINISHED <br />GRADE PAID AS COMMON EXCAVATION. <br />HDPE LINER WITH A MIN. THICKNESS 40 MIL, OR <br />PVC LINER WITH A MIN. THICKNESS OF 30 MIL, OR <br />BENTONITE COMPOSITE LINER, OR 2' CLAY LINER, <br />PLACED ON APPROVED SUBSOIL <br />32' <br />32' <br />—HWL =850.23— <br />NWL =847.0— <br />WET BASIN <br />ts,,s BOT = 839.0• <br />10' <br />' fir •�i <br />4 -♦ - <br />♦ <br />• <br />♦• <br />♦ <br />• <br />♦• <br />ALL OVERLAPPING, SEAMING MATERIALS, GCL COLLARS REQUIRED FOR <br />STRUCTURES NCESSARY FOR PLACEMENT OF GCL , OR HDPE LINER, PER <br />MANUFACTURER AND SPECIFICATIONS IS INCIDENTAL. <br />CLAY LINER OPTION CRITERIA: <br />• 50 PERCENT FINES (200 SIEVE), OR 20 PERCENT FINES AND API OF 7 <br />• AN IN -PLACE HYDRAULIC CONDUCTIVITY OF 1 X 10-5 CENTIMETERS <br />PER SECOND OR LESS <br />846 — <br />10.1 <br />PLACE POND LINER 1 VERTICAL <br />FOOT ABOVE NWL (TYP) <br />AQUATIC BENCH (TYP) <br />HWL = 850.23 <br />HWL = 850.23 <br />RIP RAP AROUND <br />OUTLET CONTROL <br />STRUCTURE <br />OUTLET PIPE <br />SKIMMER <br />SAFETY / AQUATIC VEGETATION BENCH <br />TYPICAL SIDE SLOPE PROFILE <br />SIDE SLOPE PROFILE <br />WITHIN 10' OF SKIMMER <br />o • I I NWL 847.00 <br />001.4, <br />TYPICAL BENCH DETAIL WITHIN <br />10' OF SKIMMER OUTLET <br />POND BOTTOM 839.00 <br />SAFETY / AQUATIC VEGETATION BENCH <br />TYPICAL BENCH DETAIL <br />NOT TO SCALE <br />SKIMMER INVERT <br />ELEV. = 844.50 <br />POND BOTTOM 839.00 <br />OUTLET CONTROL STRUCTURE <br />LOW <br />SIDE <br />PROVIDE 4 - 1/2" SS <br />ANCHOR BOLTS <br />OUTER RING <br />GRATE DETAIL <br />MANHOLE <br />DIAMETER <br />SKIMMER <br />OPENING <br />4' <br />3.5'x1.5' <br />ELEV.=849.25 <br />NWL ELEV.=847.00 <br />SKIMMER OPENING <br />VARIES, SEE CHART <br />CLASS 3 <br />RIP RAP <br />HIGH <br />SIDE <br />FLAT STEEL BARS @ 4" O.C. <br />NO PERPENDICULAR SUPPORT <br />BARS ALLOWED FOR STRUCTURES <br />LESS THAN 84" DIA. <br />HOT -DIPPED GALVANIZED GRATE IN 2 SECTIONS <br />WITH HEAVY DUTY HINGES ABLE TO SUPPORT <br />250 LBS/SF AND BE ABLE TO REMOVE ONE <br />SECTION FOR ACCESS TO STEPS BY REMOVING <br />NUTS FROM TWO ANCHOR BOLTS. SUBMIT <br />SHOP DRAWINGS TO ENGINEER FOR REVIEW <br />PRIOR TO FABRICATION. <br />MANHOLE STEPS SHALL BE PLACED SO THAT <br />LOCATION IS PERPENDICULAR TO THE BARS. <br />MANHOLE STEPS, STANDARD PLATE 41801 OR <br />EQUAL, 16" MAX ON CENTER. ALUMINUM STEPS <br />APPROVED. <br />SEE STORM SEWER SCHEDULE <br />FOR SPECIFIC STRUCTURE. <br />HOLE FOR 15" DIA. RCP <br />DOGHOUSES MUST BE <br />MORTARED BOTH INSIDE AND <br />OUTSIDE OF STRUCTURE <br />6" AGGREGATE BACKFILL <br />(MNDOT SPEC. 3149,H MOD.) <br />SECTION <br />#4 REBAR <br />@ 12" OC <br />(VERTICAL & <br />HORIZONTAL) <br />,■■■■, <br />1••••I <br />1••••I <br />8 <br />CONCRETE BAFFLE WALL <br />SECTION A -A <br />36„RCP <br />N <br />NOT TO SCALE <br />A <br />v A <br />a <br />DIVERSION MANHOLE 2 <br />INSIDE DIA. = 8.0' <br />R = 854.10, BLD = 6.83' <br />8 I = NW (36 INCH RCP) 848.44 <br />I = SE (36 INCH RCP) 848.41 <br />I = NE (24 INCH RCP) 847.27 <br />I = SW (24 INCH RCP) 847.27 <br />TOP WEIR = 851.20 <br />36" <br />RCP C� // 7.5' <br />DIVERSION MANHOLE 1 <br />INSIDE DIA. = 8.0' <br />R = 854.00, BLD = 6.49' <br />I = NW (48 INCH RCP) 847.57 <br />I = SE (48 INCH RCP) 847.51 <br />I = SW (24 INCH RCP) 847.51 <br />TOP WEIR = 851.66 <br />#4 REBAR <br />@ 12" OC <br />(VERTICAL & <br />HORIZONTAL) <br />m <br />,■■■■, <br />1••••I <br />1••••I <br />6" CONCRETE BAFFLE <br />WALL POURED IN FIELD <br />BY CONTRACTOR <br />2"x 6" KEYWAY <br />CAST INTO WALL <br />BY SUISPLIER <br />2' <br />CASTING PER SEW-2 <br />"STORM SEWER" <br />PRECAST CONCRETE POND DIVERSION MANHOLE 1 <br />WITH RATE CONTROL BAFFLE <br />CONCRETE BAFFLE WALL <br />SECTION B-B <br />NOTE: <br />1. BAFFLE WALL SHALL BE <br />CONSTRUCTED TO PREVENT <br />LEAKAGE AROUND THE <br />WALL <br />ADJUSTING RINGS <br />AS SPECIFIED <br />MANHOLE INVERTS SHALL <br />BE SLOPED TO PROVIDE A <br />SMOOTH FLOW LINE FROM <br />INLET TO OUTLET <br />2"x 6" KEYWAY CAST <br />INTO WALL BY SUPPLIER <br />MONOLITHIC BOTTOM <br />I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED <br />BY ME OR UNDER MY DIRECT SUPERVMON AND THAT I AM A DULY LICENSED <br />PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA <br />EVIN P. KIELB <br />LIC <br />0 23211 <br />DATE <br />8/20/2024 <br />BOLTON <br />& MENK <br />7533 SU N WOOD DR NW, SUITE 206 <br />RAMSEY, MN 55303 <br />Phone: (763) 433-2851 <br />Email: Ramsey@ bolton-menk.com <br />www.bolton-menk.com <br />DESIGNED ZFL <br />DRAWN TJH <br />NO <br />ISSUED FOR <br />DATE <br />2 <br />ADD 1 <br />ADD 2 <br />09/03/2024 <br />09/05/2024 <br />CHECKED KPK <br />CITY OF RAMSEY, MINNESOTA <br />RIVERS BEND REGIONAL STORMWATER IMPROVEMENTS <br />CLIENTCP 25-01 <br />PRO1 NO <br />POND TYPICAL SECTION <br />SHEET <br />5 <br />OF <br />12 <br />