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911912913914915916917918918 919 919919 920920920921921921 922 922923 923924 924 925926 927 928 929 930 931 93224.393319.06919920924924925INV. = 906.50AAAAAA15' - 15" RCP @ 0.67%INV. = 908.40UGSSAND INV. = 904.00STONE INV. = 906.00TANK INV. = 906.50HWL = 913.08TOTAL STORAGE = 11,443 CFINFILTRATION VOLUME = 3,400 CF72" PERFORATED CMP UNITSAAAAINV. = 906.50CB 1RIM = 919.5INV. = 908.20 N/S (EXISTING - FIELD VERIFY)INV. = 916.90 W48" IDR-3067VCONSTRUCT OVER EXISTINGPIPE AND PROVIDE FLEXIBLEJOINTS AT PIPE CONNECTIONSCB 2RIM = 914.0INV. = 902.50 (4' SUMP)INV. = 906.5048" IDR-3067V18' - 18" RCP @ 0.26%MH 103RIM = 920.5INV. = 902.60 (4' SUMP)INV. = 906.60 N/E48" IDR-1642MH 102RIM = 922.5INV. = 917.4048" IDR-1642MH 101RIM = 916.0INV. = 907.80 S (EXISTING - FIELD VERIFY)INV. = 907.90 N (EXISTING - FIELD VERIFY)INV. = 908.20 W48" IDR-3067VCONNECT TO EXISTING STRUCTURE.PROVIDE FLEXIBLE JOINT AT PIPECONNECTIONS.REPLACE CASTING WITH R-1642 ANDADJUST RIM TO FINISH GRADE.RECONSTRUCT STRUCTURE AS REQUIRED.BRICK AND MORTAR NW DOGHOUSECLOSED.MH 104RIM = 923.5INV. = 912.74 WINV. =906.9 S48" IDR-1642INV. = 913.22AINV. = 913.22INV. = 919.55INV. = 919.55MH 2RIM = 923.5INV. = 912.9348" IDR-17336" PVC WM45' - 12" RCP @ 0.48%95' - 12" RCP @ 0.53%23' - 12" RCP @ 2.08%67' - 12" RCP @ 0.45%12' - 12" RCP @ 0.83%5' - 12" RCP @ 2.22%MH 105RIM = 934.0INV. = 929.45 E/W (EXISTING - FIELD VERIFY)INV. =930.10 NW48" IDR-1642CB 3RIM = 934.0INV. = 930.2048" IDR-3067VCB 4RIM = 918.5INV. = 913.60 NE (EXISTING - FIELD VERIFY)INV. = 916.36 W48" IDR-2501CCONSTRUCT OVER EXISTINGPIPE AND PROVIDE FLEXIBLEJOINTS AT PIPE CONNECTIONSINV. = 916.8021' - 12" RCP @2.08%29' - 6" PVC @ 1.00%13' - 6" PVC @ 1.00%29' - 4" PVC @ 1.90%MH 1RIM = 923.0INV. = 912.80 S (EXISTING - FIELD VERIFY)INV. = 912.80 WINV. = 919.00 N48" IDR-17331C2.11HYDRANT AND GATE VALVE15' - 6" DIP WM911 912 913 914 915 916 917 918918 919 919919 920920 920921 921921 922 922923 923924 924 925926 927 928 929 930 931 93224.393319.06919920924924925BUILDING ADDITION 1BUILDING ADDITION 2BUILDING ADDITION 3BUILDING ADDITION 421C2.1122C2.1112C2.126C2.125C2.125C2.125C2.125C2.1212C2.1213C2.1214C2.124C2.125' WALK8' PATH8' PATH15' MIN WALK15' WALK15' WALK5' MIN WALKSTOP SIGNSTOP SIGNACCESSIBLE SIGN9' X 18' STALL (TYPICAL)5' WALKC2.1210C2.129C2.1210C2.1295C2.127BC2.127AC2.122C1.21UTILITY AND EROSION & SEDIMENT CONTROL PLAN1C1.21GRADING AND DRAINAGE PLAN1. ALL CONSTRUCTION MUST COMPLY WITH APPLICABLE STATE AND LOCAL ORDINANCES.2. THE CONTRACTOR WILL BE RESPONSIBLE FOR AND SHALL PAY FOR ALL CONSTRUCTION STAKING /LAYOUT.3. THE CONTRACTOR SHALL OBTAIN AND PAY FOR ALL RELATED CONSTRUCTION PERMITS, INCLUDINGTHE NPDES PERMIT FROM THE MPCA. SUBMIT A COPY OF ALL PERMITS TO THE CITY.4. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL TRAFFIC CONTROL SIGNAGE (CONSTRUCTION ZONES)NECESSARY TO CONSTRUCT PROPOSED IMPROVEMENTS. ALL SIGNAGE LAYOUTS MUST BE DESIGNEDBY THE CONTRACTOR AND APPROVED BY LOCAL AUTHORITIES.5. INSTALL CONTROL FENCING AND BARRICADING AS NECESSARY TO PROTECT THE PUBLIC.6. INSPECT SITE AND REVIEW SOIL BORINGS TO DETERMINE EXTENT OF WORK AND NATURE OF MATERIALSTO BE HANDLED.7. REFER TO SPECIFICATIONS FOR DEWATERING REQUIREMENTS.8. CHECK ALL PLAN AND DETAIL DIMENSIONS AND VERIFY SAME BEFORE FIELD LAYOUT.9. REFER TO ARCHITECTURAL PLANS FOR BUILDING AND STOOP DIMENSIONS AND LAYOUT.10. REFER TO THE STORM WATER POLLUTION PREVENTION PLAN (SWPPP) NARRATIVE, PART OF SECTION 0189 13, FOR EROSION CONTROL REQUIREMENTS. SECTION 31 00 00 SHALL BE RESPONSIBLE FOR FULLIMPLEMENTATION OF THE SWPPP.11. MAINTAIN ADJACENT PROPERTY AND PUBLIC STREETS CLEAN FROM CONSTRUCTION CAUSED DIRT ANDDEBRIS ON A DAILY BASIS. PROTECT DRAINAGE SYSTEMS FROM SEDIMENTATION AS A RESULT OFCONSTRUCTION RELATED DIRT AND DEBRIS.12. MAINTAIN DUST CONTROL DURING GRADING OPERATIONS.13. ALL EROSION CONTROL METHODS SHALL COMPLY WITH MPCA AND LOCAL REGULATIONS.14. CONTRACTOR SHALL MINIMIZE DISTURBANCE TO SITE AND PROTECT EXISTING SITE FEATURES(INCLUDING TURF AND VEGETATION) WHICH ARE TO REMAIN.15. PROPOSED CONTOURS AND SPOT ELEVATIONS ARE SHOWN TO FINISH GRADE UNLESS OTHERWISENOTED.16. PROPOSED ELEVATIONS SHOWN TYPICALLY AS 20.1 OR 20 SHALL BE UNDERSTOOD TO MEAN 920.1 OR920.17. SPOT ELEVATIONS SHOWN IN PARKING LOTS, DRIVES AND ROADS INDICATE GUTTER GRADES, UNLESSNOTED OTHERWISE. SPOT ELEVATIONS WITH LABELS OUTSIDE THE BUILDING PERIMETER INDICATEPROPOSED GRADES OUTSIDE THE BUILDING. SPOT ELEVATIONS WITH LABELS INSIDE THE BUILDINGPERIMETER INDICATE PROPOSED FINISH FLOOR ELEVATIONS.18. THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR DETERMINING QUANTITIES OF CUT, FILL ANDWASTE MATERIALS TO BE HANDLED, AND FOR AMOUNT OF GRADING TO BE DONE IN ORDER TOCOMPLETELY PERFORM ALL WORK INDICATED ON THE DRAWINGS. IMPORT SUITABLE MATERIAL ANDEXPORT UNSUITABLE / EXCESS / WASTE MATERIAL AS REQUIRED. ALL COSTS ASSOCIATED WITHIMPORTING AND EXPORTING MATERIALS SHALL BE INCIDENTAL TO THE CONTRACT.19. NO FINISHED SLOPES SHALL EXCEED 4' HORIZONTAL TO 1' VERTICAL (4:1), UNLESS OTHERWISE NOTED.20. ALL DISTURBED AREAS OUTSIDE THE BUILDING PAD WHICH ARE NOT DESIGNATED TO BE PAVED ORRECEIVE AGLIME, SHALL RECEIVE AT LEAST 6" OF TOPSOIL AND SHALL BE SEEDED OR SODDED. REFERTO SHEETS C8.1, C8.2, C8.3, LANDSCAPING PLANS, FOR SOD AND SEED LOCATIONS. ALL OTHER AREASDISTURBED BY CONSTRUCTION NOT SPECIFICALLY IDENTIFIED TO RECEIVE A CERTAIN SEED MIX SHALLBE SEEDED WITH SEED MIX #2.21. WHERE NEW SOD MEETS EXISTING SOD, EXISTING SOD EDGE SHALL BE CUT TO ALLOW FOR ACONSISTENT, UNIFORM STRAIGHT EDGE. JAGGED OR UNEVEN EDGES WILL NOT BE ACCEPTABLE.REMOVE TOPSOIL AT JOINT BETWEEN EXISTING AND NEW AS REQUIRED TO ALLOW NEW SOD SURFACETO BE FLUSH WITH EXISTING.22. FAILURE OF TURF DEVELOPMENT: IN THE EVENT THE CONTRACTOR FAILS TO PROVIDE AN ACCEPTABLETURF, THE CONTRACTOR SHALL RE-SEED OR RE-SOD ALL APPLICABLE AREAS, AT NO ADDITIONAL COSTTO THE OWNER, TO THE SATISFACTION OF THE ENGINEER.23. ANY MANHOLE, CATCH BASIN, STORM SEWER, SANITARY SEWER, DRAINTILE OR OTHER POTENTIALSOURCE FOR CONTAMINATION SHALL BE INSTALLED AT LEAST 10 FEET HORIZONTALLY FROM ANYWATERMAIN PER MINNESOTA PLUMBING CODE. THIS ISOLATION DISTANCE SHALL BE MEASURED FROMTHE OUTER EDGE OF THE PIPE TO THE OUTER EDGE OF THE CONTAMINATION SOURCE (OUTER EDGE OFSTRUCTURES OR PIPING OR SIMILAR).24. LOCATE ALL EXISTING UTILITIES, VERIFY LOCATION, SIZE AND INVERT ELEVATION OF ALL EXISTINGUTILITIES. VERIFY LOCATIONS, SIZES AND ELEVATIONS OF SAME BEFORE BEGINNING CONSTRUCTION.25. CONTRACTOR SHALL MAINTAIN DRAINAGE FROM EXISTING BUILDING AT ALL TIMES. PROVIDETEMPORARY STORM SEWER (INCLUDING, BUT NOT LIMITED TO, CATCH BASINS, MANHOLES, PIPING, ETC.)AS REQUIRED. EXISTING STORM SEWER SHALL NOT BE REMOVED UNTIL TEMPORARY OR PERMANENTSTORM SEWER IS INSTALLED AND FUNCTIONAL. COORDINATE ALL REMOVALS WITH APPROPRIATETRADES (SITE UTILITY CONTRACTOR, MECHANICAL CONTRACTOR, ETC.) AS REQUIRED.26. ALL WATERMAIN PIPE SHALL BE DIP, CLASS 52. ALL WATERMAIN SHALL HAVE MINIMUM 8'-0" BURY (TOPOF PIPE TO FINISH GRADE). DIP SHALL BE ENCASED WITH POLYETHYLENE FILM CONFORMING TO ASTM D1248-889.27. ALL SANITARY SEWER PIPE SHALL BE PVC PIPE (ASTM D 3034, SDR 26), UNLESS OTHERWISE NOTED.SANITARY SEWER INSTALLATION SHALL BE IN ACCORDANCE WITH ASTM D2321.28. ALL STORM SEWER PIPE SHALL BE RCP, CLASS III (MIN.), WITH FLEXIBLE WATERTIGHT JOINTS INACCORDANCE WITH ASTM C-361 OR PVC PIPE (ASTM D3034, SDR 35) INSTALLED IN ACCORDANCE WITHASTM D2321, UNLESS OTHERWISE NOTED.29. FLEXIBLE JOINTS AT STORM SEWER PIPE CONNECTIONS TO STRUCTURES:a. IN ACCORDANCE WITH MINNESOTA PLUMBING CODE, PROVIDE FLEXIBLE JOINTS AT ALL PIPECONNECTIONS TO ALL STORM SEWER STRUCTURES.b. ACCEPTABLE MANUFACTURERS / PRODUCTS:i. FERNCO, “CONCRETE MANHOLE ADAPTORS” OR “LARGE-DIAMETER WATERSTOPS”ii. PRESS-SEAL, WATERSTOP GROUTING RINGS”iii. OR APPROVED EQUAL.29. WATERMAIN SHALL BE INSTALLED AT LEAST 10 FEET HORIZONTALLY FROM ANY MANHOLE, CATCHBASIN, STORM SEWER, SANITARY SEWER, DRAINTILE OR OTHER POTENTIAL SOURCE FORCONTAMINATION PER MINNESOTA PLUMBING CODE. THIS ISOLATION DISTANCE SHALL BE MEASUREDFROM THE OUTER EDGE OF THE PIPE TO THE OUTER EDGE OF THE CONTAMINATION SOURCE (OUTEREDGE OF STRUCTURES OR PIPING OR SIMILAR).30. ANY MANHOLE, CATCH BASIN, STORM SEWER, SANITARY SEWER, DRAINTILE OR OTHER POTENTIALSOURCE FOR CONTAMINATION SHALL BE INSTALLED AT LEAST 10 FEET HORIZONTALLY FROM ANYWATERMAIN PER MINNESOTA PLUMBING CODE. THIS ISOLATION DISTANCE SHALL BE MEASURED FROMTHE OUTER EDGE OF THE PIPE TO THE OUTER EDGE OF THE CONTAMINATION SOURCE (OUTER EDGE OFSTRUCTURES OR PIPING OR SIMILAR).31. PRIOR TO CONSTRUCTION OF PROPOSED BUILDING UTILITY SERVICES (STORM, SANITARY SEWER,WATERMAIN), VERIFY ALL PROPOSED BUILDING UTILITY SERVICE PIPE SIZES, LOCATIONS ANDELEVATIONS WITH MECHANICAL PLANS. COORDINATE CONSTRUCTION AND CONNECTIONS WITHMECHANICAL CONTRACTOR.32. CONTRACTOR SHALL STAKE LIMITS OF WALKS AND CURBING PRIOR TO INSTALLATION OF GATEVALVES, CATCH BASINS AND MANHOLES. GATE VALVE AND MANHOLE LOCATIONS SHALL BE ADJUSTEDTO AVOID PLACEMENT OF THESE STRUCTURES IN WALKS AND CURB AND GUTTER. CURB AND GUTTERSHALL BE STAKED TO ALLOW CURB INLET TYPE CATCH BASINS TO BE PROPERLY LOCATED IN LINEWITH CURBING.33. REFER TO SWPPP NARRATIVE (SECTION 01 89 13) FOR CONSTRUCTION SEQUENCING AND EROSIONCONTROL REQUIREMENTS.34. IF EROSION AND SEDIMENT CONTROL MEASURES TAKEN ARE NOT ADEQUATE AND RESULT INDOWNSTREAM SEDIMENT, THE CONTRACTOR SHALL BE RESPONSIBLE FOR CLEANING OUTDOWNSTREAM STORM SEWERS AS NECESSARY, INCLUDING ASSOCIATED RESTORATION.35. SEDIMENT CONTROL DEVICE AT STORM SEWER INLETS. AT THE INLETS TO ALL STORM SEWERSTRUCTURES, PROVIDE A PRODUCT FROM THE FOLLOWING LIST. ACCEPTABLE PRODUCTS:A. WIMCO TOP SLAB™ MODEL RD 27.B. INFRASAFE® SEDIMENT CONTROL BARRIER, DISTRIBUTED BY ROYAL ENVIRONMENTAL SYSTEMS,INC. SCB'S SHALL BE SIZED SPECIFICALLY FOR THE STRUCTURE AND CASTING SPECIFIED. SCB'SSHALL BE EQUIPPED WITH FRAME AND PERFORATED SHROUD AND SHALL BE WRAPPED ON THEOUTSIDE, COVERING THE PERFORATED WALL ONLY, WITH A GEOTEXTILE SOCK.C. DANDY BAG® OR DANDY BAG II® DISTRIBUTED BY BROCK WHITE COMPANY, ST. PAUL, MN (615)647-0950. DANDY BAG SHALL BE USED ONLY FOR CURB INLETS AFTER PAVEMENT (BINDERCOURSE OR WEAR COURSE) IS INSTALLED OR AT EXISTING PAVED AREAS.D. INFRASAFE® DEBRIS COLLECTION DEVICE BY ROYAL ENVIRONMENTAL SYSTEMS, INC.,DISTRIBUTED BY ESS BROTHERS, 9350 COUNTY ROAD 19, CORCORAN, MN 55357 DCD'S SHALL BESIZED SPECIFICALLY FOR THE STRUCTURE AND CASTING SPECIFIED. PROVIDE FILTER BAGS ANDTIES FOR COMPLETE INSTALLATION.E. OR APPROVED EQUAL.GENERAL NOTESLANDSCAPE ARCHITECTURE SITE PLANNING CIVIL ENGINEERINGANDERSON - JOHNSONASSOCIATES,INC.7575 GOLDEN VALLEY ROAD SUITE 200 MINNEAPOLIS. MN 55427FAX (763) 544-0531 PH (763) 544-7129DateRegistration NumberCheckDrawnDate:CommI hereby certify that this plan, specification or report was prepared byme or under my direct supervision and that I am a duly Licensedunder the laws of the State ofRevisionsDescription Date NumScale:NorthGRADING,UTILITY, EROSIONAND SEDIMENTCONTROL PLANDAVID A. REYXX/XX/XX40180MLBDAR1" = 30'C1.21MINNESOTAPROFESSIONAL ENGINEERISD #621: MOUNDSVIEW PUBLIC SCHOOLS4570 VICTORIA ST NSHOREVIEW, MN 55116BEL AIR ESADDITIONS &ALTERATIONSLEGENDREFERENCE KEY TO SITE DETAILS DETAIL I.D NUMBER (TOP) DETAIL SHEET NUMBER (BOTTOM)EXISTING CONTOUREXISTING SPOT ELEVATIONPROPOSED CONTOURPROPOSED SPOT ELEVATIONME = MATCH EXISTINGEOF = EMERGENCY OVERFLOWTW = FINISH GRADE AT HIGH SIDE OF WALLBW = FINISH GRADE AT LOW SIDE OF WALLPROPOSED GRADING LIMITSPROPOSED SAND SUBBASE AT FROST FOOTED STOOPSAPPROXIMATE SOIL BORING / TEST PIT LOCATIONPROPOSED MANHOLE (MH)PROPOSED CATCH BASIN (CB)PROPOSED STORM SEWERPROPOSED SANITARY SEWERPROPOSED WATERMAINPROPOSED UNDERGROUND STORAGE UNITSPROPOSED SILT FENCEPROPOSED SEDIMENT CONTROL LOGPROPOSED EROSION CONTROL BLANKETPROPOSED BUILDING STOOP - REFER TO ARCHITECTURAL PLANSPROPERTY LINEXX92020.61.) TOP OF TOP NUT OF FIRE HYDRANT IN THE NORTHWEST CORNER OF 19TH AVENUE NW AND 6THSTREET NW. Elevation = 923.25 FEET2.) TOP OF TOP NUT OF FIRE HYDRANT ON THE WEST SIDE OF THE ENTRANCE TO THE SCHOOL.Elevation = 923.783.)TOP OF TOP NUT OF FIRE HYDRANT IN THE SOUTHWEST CORNER OF 20TH AVENUE NW AND 6THSTREET NW.ELEVATION = 927.84 FEETBENCHMARKS (FIELD VERIFY BEFORE USING)GEOTECHNICAL TABLEREFER TO SPEC 31 00 00 EARTHWORK AND UNIT PRICESNOTE: DEPTHS LISTED IN TABLE BELOW DO NOT INCLUDE REMOVAL OF SUITABLE SOIL REQUIREDTO MEET PROPOSED GRADES.BoringEstimated Cut (FT)B-12.00B-20.50B-3 7.00B-44.50B-5 4.50B-69.5 (17)*B-77.00B-84.5 (12)*B-92.00B-104.50* REQUIRED EXCAVATION WILL BE DETERMINED AT THE TIME OF CONSTRUCTIONDUE TO THE PRESENCE OF POSSIBLE DEEPER FILL