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12" ku" <br />3 H,Oberry <br />966.60 <br />rry <br />966 <br />?r <br />O <br />N <br />N N <br />GRADING NOTES ° <br />N�0 <br />L`n1� aa) N <br />/ 1❑ - All elevations shown are to final surfaces.CD <br />/ 2❑ - Contractor is responsible for obtaining a National Pollutant Discharge Elimination System o R 3 J <br />(NPDES) General Storm Water Permit for Construction Activity before construction begins. <br />M W H <br />l <br />EROSION CONTROL NOTES Z <br />Contractor is responsible for all notifications and inspections required by General Storm Water Permit. vj H <br />All erosion control measures shown shall be installed prior to grading operations and maintained Q o <br />until all areas disturbed have been restored. Q <br />Sweep paved public streets as necessary where construction sediment has been deposited. = v <br />O � I <br />Each area disturbed by construction shall be restored per the specifications within 14 days afterUj <br />the construction activity in that portion of the site has temporarily or permanently ceased. Q W N <br />962 Temporary soil stockpiles must have silt fence around them and cannot be placed in surface waters, 0a '- Z <br />including storm water conveyances such as curb and gutter systems, or conduits and ditches. <br />960.30 I / / ©- The normal wetted perimeter of any temporary or permanent drainage ditch or swale that drains water Uj <br />from any portion of the construction site, or diverts water around the site, must be stabilized within o <br />� 200 lineal feet from the property edge, or from the point of discharge into any surface water. CI_ <br />959.85 0" 1\1 / Stabilization of the last 200 lineal feet must be completed within 24 hours after connecting to a <br />ss 105' - 4" PERF. DT surface water. <br />959.00 O7 -All pipe outlets must be provided with temporary or permanent energy dissipation within 24 hours c0 <br />of connection to a surface water. -o oN LO <br />ao <br />990.50 ®- Excess concrete/water from concrete trucks shall be disposed of in portable washout <br />EOF concrete basin or disposed of in a contained area. a 4) ! o <br />959.0 CITY OF ORONO z <br />. •/CITY OF WAYZATA `W <br />INSPECTION AND MAINTENANCE v•a r <br />0 0 o a� <br />B-6 GROUND WATER LEV. 952.3 3 0 CO <br />r - The site must be inspected once every seven (7) days during active construction and within 24 hours a Q.0 c <br />998.70 �6 �6 PRE-TREATMENT BASIN after a rainfall event greater than 0.5 inches in 24 hours. °- <br />/� VOLT ME ® 957.0 = 1,588 C.F. o o E <br />958.75 j �� - All inspections and maintenance conducted must be recorded in writing and records retained with the SWPPP. t 0 0 �v <br />0 <br />- Areas of the site that have undergone final stabilization, may have the inspection of these areas reduced o ` -0 a a <br />957.00 to once per month. <br />t� ONCL <br />87 - 4" PERF. PVC �' c <br />® 0.0% - All silt fence must be repaired, replaced, or supplemented within 24 hours when they become nonfunctional E h o <br />57.5 or the sediment reaches 1/3 of the height of the fence. (-',� o s <br />52.3 SW,N 8 >, 0 0 <br />C.O. - Temporary and permanent sedimentation basins must be drained and the sediment removed when the depth 3 z <br />TO <br />BIOFILTRATION BASIN of the sediment reaches 1/2 the storage volume. Removal must be completed within 72 hours of discovery. <br />INCB o <br />IV 955.0 FILTRATION VOLUME - Surface waters and conveyance systems must be inspected for evidence of sediment being deposited. Removal 0 o E <br />PROVIDED = 9,976 C.F. y y p g p t 0 E 0 v <br />100 -YR HWL = 958.0 and stabilization must take place within seven (7) days of discovery unless precluded by legal, regulatory, or - E o - Z <br />45 physical access constraints. <br />4" VALTERRA VALVE OR APPROVED EQUAL TO BE <br />- Construction site vehicle exit locations must have sediment removed from off-site paved surfaces within N <br />01 INSTALLED ON ENDS OF 4" DRAINTILE WITHIN 24 hours of discovery. N N N N N N <br />INT CB 60 - 4" PERF. DT THE EXISTING CATCH BASIN N rn co Cq " to <br />- Infiltration areas shall be graded to finished grade when all contributing drainage areas have been stabilized. N N N I N <br />953.5 Protect infiltration area from sediment and heavy equipment compaction during/after construction with silt fence. r olo °' 1 <br />14 T <br />103' - 4" PERF. PVC <br />959.30 ® 0.0% <br />I POLLUTION PREVENTION MANAGEMENT <br />q58 5 <br />958.40 - All solid waste must be disposed of off-site per the MPCA disposal requirements. <br />958.2 / C.O. A - All hazardous waste must be properly stored with restricted access to storage areas to prevent vandalism. <br />958.5 Storage and disposal of hazardous waste must be in compliance with MPCA Regulations. <br />195' - 4" PERF. DT <br />ROCK CONSTRUCTION <br />ENTRANCE -Choiniink <br />�'- f Fence <br />TOP 962.65 <br />INV 959.65 (DT) <br />INV 958.1 (12") TENNIS <br />INV 952.0 (MATCH 36") <br />INV 950.0 (SUMP) COURTS <br />./ <br />BUILDING <br />.00 - <br />94 : <br />■ <br />L, ■ <br />■ <br />■ <br />■ <br />■ <br />: <br />: <br />M <br />U W <br />Z■ <br />J <br />W - <br />_ � 2 <br />W FV - <br />W Zw - <br />W- <br />lzll�v v54.3 NIS <br />'AINTIL <br />a ti�Spruce _ <br />\ "Pine <br />3' <br />-S <br />I M Inv. 956.1 <br />- <br />24'ST <br />MH <br />--------- - <br />To 958.9 <br />ELEVATED / <br />COURT <br />UTILITY NOTES <br />0 -Remove existing 8" drain tile between existing catch basin and CB 1. <br />(:D- Construct CB 1 over the existing 8" drain tile. Notify Engineer of invert. <br />CATCH BASIN/MANHOLE SCHEDULE <br />STRUCTURE NO. <br />BARREL SIZE <br />NEENAH <br />CASTING NO. <br />CB 1 <br />48" <br />R <br />-3067V <br />CB 2 <br />24" X 36" <br />R <br />-3067V <br />CB 3 <br />24" X 36" <br />R <br />-3067V <br />RECONSTRUCTED CB 4 <br />60" <br />R <br />-2573-1C <br />AREA DRAIN SCHEDULE <br />STRUCTURE NO. NYLOPLAST BASIN TYPE NYOPLAST GRATE <br />AD 1 18" DRAIN BASIN (2818AG5) 18" DOME (1899CGD) <br />LEGEND <br />'IP -RAPS nv. 949.7 NIS - - <br />_ - - ® <br />PROPOSED CLEANOUT <br />FABRIC <br />_ _ <br />BUILDING/PARKING SETBACK LINE <br />MH -' <br />- - <br />PROPOSED CATCH BASIN <br />Top 960.5 <br />S <br />EXISTING SANITARY SEWER <br />Inv. 955.2 N <br />/ <br />PROPOSED FLARED END <br />RIGHT-OF-WAY Inv. 952.7 S <br />E <br />EXISTING BURIED ELECTRIC LINE <br />/ <br />N <br />EXISTING CONTOUR <br />PROPOSED STORM SEWER <br />EXISTING ELEVATION <br />0 <br />PROPOSED CONCRETE <br />\ <br />� <br />PROPOSED LIGHT DUTY BITUMINOUS <br />z <br />PROPOSED HEAVY DUTY BITUMINOUS <br />� <br />ioso <br />PROPOSED CONTOUR <br />. 1023.54 <br />PROPOSED ELEVATION <br />o <br />Q <br />SILT FENCE <br />Q <br />INLET PROTECTION DEVICE <br />------i <br />PROPOSED EC BLANKET <br />MNDOT CAT. 35 (3885) <br />- <br />BOUNDARY/ROW/BLOCK LINE <br />EASEMENT <br />- - <br />BUILDING/PARKING SETBACK LINE <br />-► <br />DRAINAGE ARROW <br />W- <br />EXISTING WATERMAIN <br />S <br />EXISTING SANITARY SEWER <br />-ST- <br />EXISTING STORM SEWER <br />G <br />EXISTING BURIED GAS LINE <br />E <br />EXISTING BURIED ELECTRIC LINE <br />980 <br />EXISTING CONTOUR <br />X 995.50 <br />EXISTING ELEVATION <br />0 15 30 60 <br />Scale in Feet <br />� wwQw� <br />z a <br />¢N U � <br />O W W W W N <br />Uj <br />oaV)a0: <br />cc cc <br />Z <br />ozm <br />COg� <br />omJ <br />W <br />U <br />N <br />LLJ <br />J <br />T <br />V <br />Q <br />� <br />7~ <br />Z <br />z <br />� <br />Q�o� <br />o <br />Q <br />J <br />Q <br />ozQ <br />o <br />Q <br />N <br />0.L <br />U <br />SHEET NUMBER <br />90 <br />I C4 <br />