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NOTES: <br />1. BENDS AND RISER TO BE SAME SIZE AS DRAINTILE. <br />2. SEE SHEET CG-26 FOR LAYOUT OF DRAINTILE AND <br />CLEANOUTS. <br />PLANT BEDDING <br />DRAIN TILE <br />FINISHED <br />GRADE <br />CASTING ASSEMBLY <br />NEENAH R-1976 <br />(INCIDENTAL) <br />CAPPED WITH SCREW <br />IN PLUG WITH RAISED 2" <br />SQUARE TOP FOR <br />REMOVAL <br />4" PVC SCHED. 40 <br />VARIESCS-47 <br />AS SHOWN SJH / JEB <br />KWHJEB / ATH <br />SCALE: <br />PLAN BY: <br />DESIGN BY: <br />CHECK BY: <br />SHEET <br />WSB PROJECT NO.REVISIONSNO.DATEDESCRIPTIONPIONEER COMMONS - SECOND ADDITIONLENNAR HOMES - LITTLE CANADA, MINNESOTA019789-000102/20/2023BID PLANS204/11/2023CONSTRUCTION PLANSCIVIL DETAILS <br />IRRIGATION SLEEVE DETAIL <br />PLUG/CAP RISER <br />R/W R/W <br />F/G <br />18-24" <br />36" <br />90 ELBOW <br />PVC SCHEDULE 40 <br />SLEEVE, SIZE AS <br />NOTED ON PLANS <br />SCALE: <br />1 <br />CS-47 <br />POND WITH A FILTRATION BENCH DETAIL <br /> NOT TO SCALE <br />8" PERFORATED DRAINTILE (NO SOCK, <br />MUST BE SLOTTED, .25" MAX WIDTH) - <br />ELEVATION AND VERTICAL POSITION <br />WITHIN ROCK TRENCH VARY ALONG <br />LENGTH OF DRAINTILE <br />18" FILTER MEDIA SPECIAL <br />70% SAND (ASTM C-33 COARSE WASH SAND) <br />30% COMPOST (MNDOT 3890.2B, GRADE 2 LEAF LITTER) <br />SLOP <br />E <br />S <br />1: <br />4 <br />M <br />A <br />XI <br />M <br />U <br />M <br />BOTTOM OF BENCH - 900.00 <br />BOTTOM - 895.0 <br />COARSE FILTER <br />AGGREGATE <br /> (MnDOT 3149.2H) <br />3' TYPICAL <br />12" TYPICAL <br />NOTE: <br />CONTRACTOR SHALL PROVIDE A POST CONSTRUCTION TEST ON THE <br />BIOFILTRATION BENCH. TEST SHALL BE CONDUCTED USING DOUBLE <br />RING INFILTROMETER. INFILTRATION RATE IS TO BE NO LESS THAN 1.2 <br />INCHES PER HOUR AND NO GREATER THAN 8.3 INCHES PER HOUR. THE <br />ENGINEER SHALL BE NOTIFIED NO LESS THAN 3 DAYS PRIOR TO THE <br />TEST TO WITNESS THE RESULTS. <br />FILTRATION BENCH <br />18" MINIMUM <br />SCALE: <br />2 <br />CS-47 <br />DRAINTILE CLEANOUT DETAIL <br /> NOT TO SCALE <br />EXISTING OUTLET <br />CONTROL STRUCTURE <br />EXISTING 8" SOLID PVC <br />NWL - 900.0 <br />HWL - 904.1 <br />ITEMS WITHIN DASHED LINE <br />INDICATE SAND FILTER AND <br />DRAINTILE TO BE CONSTRUCTED <br />FOLLOWING BUILD-OUT <br />INSTALL IN 2025. <br />VINYL SHEET PILE ALONG LENGTH OF BENCH <br />ADJACENT TO POND SIDE SLOPE <br />EXISTING POND BOTTOM30"MIN.CONTRACTOR TO EXCAVATE TO BOTTOM <br />OF SAND LAYER AND DRAINTILE TRENCHES <br />FOLLOWING FINAL BUILD OUT <br />ELEV 898.50