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CONCRETECURBTURF SECTION ATMULTI-PURPOSE FIELD - ALTERNATE 16" DEPTH 34" GRANITE(POROUS AGGREGATE)2" DEPTH TRAP ROCK(POROUS AGGREGATE)TURF CARPET WITHIN-FILL (BY OTHERS)1/2" RADIUS (TYPICAL)EXCEPT FOR AREAABUTTING PAVEMENTGEOTEXTILEFABRIC2' SANDSUBBASE GRASSNAILER BOARDFASTENED TO CURB5"15"7"11 MIN. 6"TOPSOIL20.00'12" PERFORATED PVC -ELEVATION VARIES - REFERTO PLAN3" MIN. PEA ROCKAROUND DRAINTILEGEOTEXTILE FABRIC6" DRAINTILE-REFER TO PLAN FORLOCATION AND INVERT3" MIN. PEA ROCKAROUND DRAINTILEGEOTEXTILE FABRICWRAP DRAINTILE ANDPEAROCK WITHGEOTEXTILE FABRIC8C2.2FLAT DT TO COLLECTOR PIPECONNECTIONGRANITE (POROUS AGGREGATE)TRAP ROCK (POROUS AGGREGATE)TURF CARPET WITH IN-FILL (BY OTHERS)SANDSUBBASEPREPARED SUBGRADESUBGRADE ELEVATIONVARIES - REFER TO PLANAND DETAILS1" x 12" FLAT TILEVARIES - REFER TO UTILITY PLAN:12" OR 15" PERFORATED STORMSEWER4" DRAIN TILE12" FLAT AdvanEDGEOUTLET ADAPTER22° BENDVARIES - REFER TOUTILITY PLAN:4 X 12" WYE,OR 4 X 15 WYE4" DRAIN TILE12" FLAT AdvanEDGEOUTLET ADAPTER1" x 12" FLAT TILESECTIONPLANVARIES - REFER TO UTILITY PLAN:12" OR 15" PERFORATED STORMSEWERVARIES - REFER TO UTILITY PLAN:12" OR 15" PERFORATED STORMSEWERVARIES - REFER TOUTILITY PLAN:4 X 12" WYE,OR 4 X 15 WYE,ATHLETIC IMPROVEMENTSBETHEL UNIVERSITY3900 Bethel DrSt Paul, MN 551123003/17/2021CITY 02/16/2021CITY RESUBMIT 03/24/2021DETAILSDARBJD0V1123087TYPICAL SECTION THRUFILTRATION AREAFILTRATION AREALIMITS AS SHOWN ON PLANSEE NOTE 7 OF 12 / C2.2 FOR ENGINEERED SOIL MIXTUREPLACE SEDIMENT LOG AT EDGE OF FILTRATION AREA - FULLPERIMETER , AND REMOVE ONCE ALL UPSLOPE AREAS AREFULLY STABILIZED (PERMANENT STABILIZATION)FLAT BOTTOM11UTILITY TRACERWIRE (TYPICAL)6" DRAIN TILE WITH 3" MIN. PEA ROCKSURROUNDING, WRAPPED IN GEOTEXTILE FABRIC- REFER TO PLAN FOR LOCATION AND INVERT12" MIN.GRASSFILTRATION AREA SOILMIXTURE - SEE BELOW6" DEPTHTOPSOILMINERAL SOD30" MIN.3"FILTRATION AREACONSTRUCTION NOTESFILTRATION AREA CONSTRUCTION SHALL COMPLY WITH THE FOLLOWING:1. FILTRATION AREA LIMITS SHALL BE SURVEYED AND A VISUAL BARRIER, SUCH AS ORANGE SNOW FENCE, SHALL BEPLACED AROUND THE FULL PERIMETER TO KEEP ALL CONSTRUCTION TRAFFIC, EQUIPMENT AND MATERIAL STOCKPILESOUT OF THE PROPOSED FILTRATION AREA. THE VISUAL BARRIER MUST BE INSTALLED BEFORE NEW CONSTRUCTIONBEGINS AND SHALL BE MAINTAINED THROUGH THE DURATION OF THE PROJECT.2. DELIVER SAMPLE MATERIALS ONSITE FOR PRIOR APPROVAL. PRIOR TO BEGINNING THE INSTALLATION, SUFFICIENTMATERIAL QUANTITIES SHALL BE ONSITE TO COMPLETE THE INSTALLATION AND STABILIZE EXPOSED SOIL AREASWITHOUT DELAY.3. CARE MUST BE TAKEN TO AVOID CONTAMINATION OF ENGINEERED SOILS WITH SEDIMENT, IN-SITU OR TOPSOIL DURINGAND AFTER INSTALLATION. MATERIALS MUST BE SEGREGATED.4. INSTALLATION WITH DRY SOIL CONDITIONS IS CRITICAL TO PREVENT SMEARING AND COMPACTION. SCHEDULE WORKFOR PERIODS OF DRY WEATHER. DO NOT WORK IF SOIL CONDITIONS ARE WET. EXCAVATION, SOIL PLACEMENT ANDRAPID STABILIZATION OF PERIMETER SLOPES WITH TURF SOD MUST COMPLETED BEFORE THE NEXT PRECIPITATIONEVENT. TURF SOD PLACED IN FLOW PATHS SHALL BE SECURED WITH AT LEAST 6 STAKES PER SQUARE YARD. PLACESTAKES ALONG UPHILL SEAM EDGES TO PREVENT UNDERMINING FLOWS UNTIL SOD ROOTS ESTABLISH.5. DO NOT LEAVE STORMWATER AREAS AND / OR PERIMETER SLOPES EXPOSED OVERNIGHT. SECURE THE SITE FROM RISKOF PRECIPITATION DAMAGES AT THE END OF EVERY WORK DAY. IN THE EVENT OF RAIN, TAKE ACTION TO DIVERTSTORMWATER AWAY FROM THE WORK AREA AND TEMPORARILY COVER OF ALL EXPOSED SOILS WITH FILTER FABRICOR IMPERMEABLE SHEETING.6. FIELD OBSERVATION OF EXCAVATION AND SOIL PLACEMENT IS REQUIRED. NOTIFY GEOTECHNICAL ENGINEER PRIOR TODIGGING. USE BACKHOE WITH TOOTH BUCKET FOR CELL EXCAVATION TO AVOID COMPACTING OR SMEARING OF SOILS.(DO NOT USE SKID STEER FOR EXCAVATION WITHIN THE CELL) USE EXCAVATOR BUCKET TO PLACE MATERIALS.CONSTRUCTION EQUIPMENT SHALL NOT BE ALLOWED INTO THE STORMWATER AREAS. LEVELING AND FINAL GRADINGWITHIN THE CELL MUST BE COMPLETED BY HAND.7. FILTRATION AREA SOIL MIX SHALL BE MINNESOTA STORMWATER MANUAL 4.1.2 MIX B: ENHANCED FILTRATION BLEND(WELL BLENDED MIXTURE OF 70% ASTM C-33 COARSE WASHED SAND (MN/DOT 3126) AND 30% MN/DOT 3890 GRADE 2LEAF LITTER COMPOST. THE MATERIAL SUPPLIER SHALL PROVIDE DOCUMENTATION THAT THE COMPOST HAS BEENSAMPLED AND TESTED AS REQUIRED BY THE SEAL OF TESTING ASSURANCE (STA) PROGRAM OF THE UNITED STATESCOMPOSTING COUNCIL (USCC) AND A GRADATION SIEVE ANALYSIS FOR THE WASHED SAND. THE ENGINEERED SOILSHALL NOT CONTAIN ANY TOPSOIL OR FILTER AGGREGATE WITH FINES.8. INSTALL MINERAL SOD.9. INSTALLED SOD REQUIRES A TOTAL OF 1" OF WATER PER WEEK AND ACTIVE WEED MANAGEMENT UNTIL WELLESTABLISHED. WATERING COSTS ARE CONSIDERED INCIDENTAL TO SOD INSTALLATION. CONSTRUCT A TEMPORARYIRRIGATION SYSTEM, CONSISTING OF ABOVE GROUND HEADS, PIPING, VALVES, ETC., FOR WATERING UNTIL VEGETATIONIS ESTABLISHED. DO NOT USE A WATER TRUCK AS THE FORCE OF THE WATER WILL ADVERSELY AFFECT THESTORMWATER AREA SOILS.10. REMOVAL OF ACCUMULATED SEDIMENT AND DEBRIS SHALL BE DONE BY HAND OR, IF SELF-PROPELLED EQUIPMENT ISREQUIRED, FROM OUTSIDE THE PERIMETER OF THE FILTRATION AREAS.OUTLET CONTROLSTRUCTURE (OCS 1)SECTIONPLAN72" INSIDEDIAM.PIPE INV. = SEE SECTIONPROVIDE FLEXIBLE JOINTAT CONNECTION - REFERTO SPECS24" RCP PIPE IN6'-0"24" RCP PIPE ININV. = 916.38BASES SHALL BE 8" STANDARDPRECAST WITH 2" LEAN GROUT,OR POURED 8" SLAB REINFORCEDWITH 6" x 6" 10/10 MESHPRECAST CONCRETESECTIONSTORM SEWER PIPE - REFER TO UTILITYPLANS FOR PIPE LENGTHS AND SLOPESCONCRETE BAFFLE WITH #4REBAR 12" O.C. BOTH WAYSDOWELED INTO SIDE WALLSOF INSIDE OF STRUCTUREAND BOTTOM SLAB.TOP WEIR = 918.38HWL = 919.176"WEIR WALLRIM ELEVATION = 925.75PRECAST COVER -8" THICKMIN. 2 AND MAX. 5 ADJUSTINGRINGS. GROUT BETWEENRINGS, CASTING, AND ALONGOUTSIDE. NEENAH R-1642 CASTING6" DT FROM UGS 1B. CONNECTBEHIND WEIR WALL15" RCP PIPE OUTINV. = 913.606" DT FROM UGS 1B ININV. = 913.60. INSTALLBEHIND WEIR WALL.PIPE INV. = SEE SECTION15" RCP PIPEOUTPROVIDE FLEXIBLEJOINT (TYP)CONSTRUCTION LOADINGDIAGRAMCONSTRUCTION LOADSFOR TEMPORARY CONSTRUCTION VEHICLE LOADS, AN EXTRA AMOUNT OF COMPACTED COVERMAY BE REQUIRED OVER THE TOP OF THE PIPE. THE HEIGHT-OF-COVER SHALL MEET THE MINIMUMREQUIREMENTS SHOWN IN THE TABLE BELOW. THE USE OF HEAVY CONSTRUCTION EQUIPMENTNECESSITATES GREATER PROTECTION FOR THE PIPE THAN FINISHED GRADE COVER MINIMUMSFOR NORMAL HIGHWAY TRAFFIC.PIPE SPAN,INCHES18-50MINIMUM COVER (FT)AXLE LOADS (kips)50-7575-110 110-15012-422.0 2.53.03.04.03.53.048-723.03.078-1203.54.04.04.54.54.0126-1443.5*MINIMUM COVER MAY VARY, DEPENDING ON LOCAL CONDITIONS. THE CONTRACTOR MUST PROVIDETHE ADDITIONAL COVER REQUIRED TO AVOID DAMAGE TO THE PIPE. MINIMUM COVER IS MEASUREDFROM THE TOP OF THE PIPE TO THE TOP OF THE MAINTAINED CONSTRUCTION ROADWAY SURFACE.HEIGHTOF COVERTEMPORARY COVER FORCONSTRUCTION LOADSFINISHGRADEMANHOLE CAPNOTES1.DESIGN IN ACCORDANCE WITH AASHTO, 17th EDITION.2.DESIGN LOAD HS25.3.EARTH COVER = 1' MAX.4.CONCRETE STRENGTH = 4,500 psi5.REINFORCING STEEL = ASTM A615, GRADE 60.6.PROVIDE ADDITIONAL REINFORCING AROUND OPENINGS EQUAL TO THE BARSINTERRUPTED, HALF EACH SIDE. ADDITIONAL BARS TO BE IN THE SAME PLANE.7.TRIM OPENING WITH DIAGONAL #4 BARS, EXTEND BARS A MINIMUM OF 12" BEYONDOPENING, BEND BARS AS REQUIRED TO MAINTAIN BAR COVER.8.PROTECTION SLAB AND ALL MATERIALS TO BE PROVIDED AND INSTALLED BYCONTRACTOR.SECTION VIEWPLAN VIEW54"Ø30" CMP RISER32"1" GAP(TYP. ALL SIDES)2" COVER TYP.8"12"CMP PROTECTION SLABØ36" MAX., HS-25 ACCESSCASTING TO BE PROVIDED ANDINSTALLED BY CONTRACTOR11" TYP.2" COVE <br />R ( <br />T <br />Y <br />P.)Ø54"Ø32"2" COVER (TYP.)#4 DIAGONAL TRIMBAR (TYP. 4 PLACES),SEE NOTE 7.OPENING INPROTECTION SLABFOR CASTINGINTERRUPTED BARREPLACEMENT, SEE NOTE 6.REINFORCING -#5 @ 10" OCEWBACKFILL DETAILFOUNDATION/BEDDING PREPARATIONPRIOR TO PLACING THE GEOTEXTILE FABRIC AND OPEN GRADED STONE, THE FOUNDATION MUSTBE CONSTRUCTED TO A UNIFORM AND STABLE SUBGRADE. IN THE EVENT THAT UNSUITABLEFOUNDATION MATERIALS ARE ENCOUNTERED DURING EXCAVATION, THEY SHALL BE REMOVEDAND BROUGHT BACK TO SUBGRADE WITH SAND SUBBASE.BACKFILLWHEN PLACING THE FIRST LIFTS OF BACKFILL IT IS IMPORTANT TO MAKE SURE THAT THEBACKFILL IS PROPERLY COMPACTED UNDER AND AROUND THE PIPE HAUNCHES. BACKFILLSHALL BE PLACED SUCH THAT THERE IS NO MORE THAN A TWO LIFT (16") DIFFERENTIAL BETWEENANY OF THE PIPES AT ANY TIME DURING THE BACKFILL PROCESS. THE BACKFILL SHALL BEADVANCED ALONG THE LENGTH OF THE DETENTION SYSTEM AT THE SAME RATE TO AVOIDDIFFERENTIAL LOADING ON THE PIPE.SAND SUBBASEPLACED IN 8" LIFTSGEOTEXTILE FABRIC (REFER TO SPEC SECTION 33 40 00)BURRITO WRAP (ENTIRE ASSEMBLY)MIN. 24" SEAM OVERLAPOPEN GRADED STONETYPICAL PERFORATIONDETAIL1.50"2.8"COIL WIDTH2.05"2 2/3" x 1/2"CORRUGATION - STEELAND ALUMINUM CMPEDGE SPACING EQUALON BOTH SIDESTYPICAL RISER DETAILELEVATIONENDRISER (TYP.)SEE DETAIL