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a 2014 Westwood Professional Services, Inc. <br />Call 48 Hours before digging: <br />811 or co11811. com <br />Common Ground Alliance <br />X <br />002,8 <br />smolu <br />BLOCKS/ROCKS PER OWNER <br />Construction Sequence <br />1. INSTALL SILT FENCE ON DOWNSTREAM SIDE OF PROPOSED INFILTRATION <br />BASINS. <br />2. REMOVE EXISTING PIPE TO UPSTREAM SIDE OF INFILTRATION BASIN. <br />3. EXCAVATE INFILTRATION BASINS TO MINIMUM VOLUMES. <br />4. LINE BASIN WITH EROSION CONTROL BLANKET AND MONITOR BASIN DURING <br />THE SPRING DURING SNOW MELT AND SPRING RAIN EVENTS TO ENSURE NO <br />EROSION IS OCCURING. <br />5. ONCE WEATHER ALLOWS, REMOVE EROSION CONTROL BLANKET, PLACE <br />BIORETENTION SOIL AND PLANT RAIN GARDEN PLANTINGS. <br />6. REMOVE SILT FENCE ONCE FINAL STABILIZATION HAS OCCURED. <br />X <br />_ 1 <br />100` <br />VALVE CONTROLLED <br />DRAT tLE�TULET <br />W/- IP -RAP \ <br />RECORD DRAW/NG <br />INFORMATION IS FURNISHED WITHOUT <br />WARRANTY AS TO ACCURACY. USERS <br />SHOULD FIELD VERIFY LOCA 77ONS AND <br />ELEVATIONS, FINAL GRADES CAN BE <br />CHANGED BY EROSION OR BY HEAVY <br />CONS7RUC770N TRAFFIC. <br />E <br />Vicinity Ma <br />Basin Parameters <br />West Basin <br />Top Basin Elevation -988.00 Minimum Area: 1,714 sf <br />Bottom Basin Elevation - 986.75 Minimum Area: 979 sf <br />Minimum Side Slopes: 4:1 <br />Minimum Volume: 1,655cf <br />East Basin <br />Top Basin Elevation -986.00 Minimum Area: 1,287 sf <br />Bottom Basin Elevation - 984.75 Minimum Area: 655 sf <br />Minimum Side Slopes: 4:1 <br />Minimum Volume: 1,220cf <br />THIS DRAWING IS TO OUR KNOWLEDGE <br />AN ACCURA 7E RECORD OF THE <br />PROJECT AS CONSTRUCTED. <br />ROBERT OLSON <br />PROJECT MANAGER <br />WESTWOOD PROFESSIONAL SERVICES, INC. <br />NOVEMBER 12, 2015 <br />RECORD DRA WING <br />CONFORM/NG TO CONS TRUC T/ON RECORDS. <br />BY ROBERT OLSON DATE 11/12 <br />WESTWOOD PROFESSIONAL SERVICES, INC. <br />RAIN GARDEN CONSTRUCTION SEQUENCING <br />1. Install appropriate temporary erosion control devices to prevent sediment from leaving or entering the practice during construction. <br />2. All down -gradient perimeter sediment control bmp's must be in place before any up gradient land disturbing activity begins. <br />3. Perform continuous inspections of erosion control practices, especially after each rainfall event. <br />4. Install all utilities prior to setting final grade of bioretention device. <br />5. Rough grade the site. <br />6. Complete, stabilize, and vegetate all other site improvements. <br />7. Construct and vegetate bioretention device following stabilization of contributing drainage area. Ensure that critical elevations, such as underdrain invert, top of media, top of mulch, and invert of overflow structure (if present) <br />are correct. <br />8. Remove temporary erosion control devices after the contributing drainage area is adequately vegetated. <br />GENERAL NOTES <br />1. In the event that sediment is introduced into the bmp during or immediately following excavation, this material shall be removed from the practice prior to continuing construction. <br />1.25' - Ponding Depth, Drainii <br />in Max 48 Hours <br />Infiltration Basin <br />IYV11- VV11 It.IV V�GV .J IA /y14VV <br />Soil Type: Lester Loam <br />Hydrologic Soil Group B <br />Infiltration Rate: 0.35 in/hr <br />-MixB <br />er <br />Not To Scale <br />Grading Legend <br />- - <br />- - -- <br />PROPERTY LINE <br />- <br />LOT LINE <br />= r'-980 <br />-980. <br />INDEX CONTOUR <br />982 <br />INTERVAL CONTOUR <br />CURB AND GUTTER <br />POND NORMAL WATER LEVEL <br />n n <br />A <br />SILT FENCE <br />sro <br />STORM SEWER <br />9 <br />► <br />FLARED END SECTION (WITH RIPRAP) <br />war <br />WATER MAIN <br />-SAN <br />► <br />SANITARY SEWER <br />837.80 <br />x <br />X <br />X837.80 <br />1.,50 <br />0' <br />E.O.F. <br />58 00 <br />Q SB -19 <br />0 <br />Notes <br />RETAINING WALL <br />DRAIN TILE <br />BREAK LINE <br />GRADING LIMITS <br />ROCK CONSTRUCTION ENTRANCE <br />EROSION CONTROL BLANKET <br />TURF REINFORCEMENT MAT <br />SPOT ELEVATION <br />FLOW DIRECTION <br />TOP AND BOTTOM OF RETAINING WALL <br />EMERGENCY OVERFLOW <br />SOIL BORING LOCATION <br />INLET PROTECTION <br />1. LOCATIONS AND ELEVATIONS OF EXISTING TOPOGRAPHY AND UTILITIES AS <br />SHOWN ON THIS PLAN ARE APPROXIMATE. CONTRACTOR SHALL FIELD VERIFY <br />SITE CONDITIONS AND UTILITY LOCATIONS PRIOR TO <br />EXCAVATION/CONSTRUCTION. THE ENGINEER SHALL BE NOTIFIED IMMEDIATELY <br />IF ANY DISCREPANCIES ARE FOUND. <br />2. ALL EXCAVATION SHALL BE IN ACCORDANCE WITH THE CURRENT EDITION OF <br />"STANDARD SPECIFICATIONS FOR TRENCH EXCAVATION AND <br />BACKFILL/SURFACE RESTORATION" AS PREPARED BY THE CITY ENGINEERS <br />ASSOCIATION OF MINNESOTA. <br />3. ALL DISTURBED UNPAVED AREAS ARE TO RECEIVE FOUR INCHES OF TOPSOIL <br />AND SOD OR SEED. THESE AREAS SHALL BE WATERED UNTIL A HEALTHY <br />STAND OF GRASS IS OBTAINED. SEE LANDSCAPE PLAN FOR PLANTING AND <br />TURF ESTABLISHMENT. <br />4. ALL SLOPES SHALL BE GRADED TO 4:1 OR FLATTER, UNLESS OTHERWISE <br />INDICATED ON THIS SHEET. <br />5. CONTRACTOR SHALL UNIFORMLY GRADE AREAS WITHIN LIMITS OF GRADING <br />AND PROVIDE A SMOOTH FINISHED SURFACE WITH UNIFORM SLOPES BETWEEN <br />POINTS WHERE ELEVATIONS ARE SHOWN OR BETWEEN SUCH POINTS AND <br />EXISTING GRADES. <br />6. SPOT ELEVATIONS SHOWN INDICATE FINISHED PAVEMENT ELEVATIONS & <br />GUTTER FLOW LINE UNLESS OTHERWISE NOTED, PROPOSED CONTOURS ARE <br />TO FINISHED SURFACE GRADE. <br />7. CONTRACTOR SHALL DISPOSE OF ANY EXCESS SOIL MATERIAL THAT EXISTS <br />AFTER THE SITE GRADING AND UTILITY CONSTRUCTION IS COMPLETED. THE <br />CONTRACTOR SHALL DISPOSE OF ALL EXCESS SOIL MATERIAL IN A MANNER <br />ACCEPTABLE TO THE OWNER AND THE REGULATING AGENCIES. <br />8. ALL CONSTRUCTION SHALL CONFORM TO LOCAL, STATE AND FEDERAL RULES <br />INCLUDING THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM <br />(NPDES) PERMIT REQUIREMENTS. <br />9. ALL SOILS AND MATERIALS TESTING SHALL BE COMPLETED BY AN <br />INDEPENDENT GEOTECHNICAL ENGINEER. EXCAVATION FOR THE PURPOSE OF <br />REMOVING UNSTABLE OR UNSUITABLE SOILS SHALL BE COMPLETED AS <br />REQUIRED BY THE GEOTECHNICAL. ENGINEER, THE CONTRACTOR SHALL BE <br />RESPONSIBLE FOR COORDINATING ALL REQUIRED SOILS TESTS AND <br />INSPECTIONS WITH THE GEOTECHNICAL ENGINEER. <br />1!!%�� -I <br />0' 50' 100' 150' <br />CITY OF ORONO <br />SITE PLAN GRADING PLAN <br />❑ APPROVED AS - 2xii - I <br />❑ APPROVED WITH REVISIONS <br />❑ DIM��- <br />BY_ <br />DATE 1 3 401(16, <br />L=7, -j;", is • • <br />Westwood Professional Services, Inc. <br />3701 12th Street North, Suite 206 <br />St. Cloud, MN 56303 <br />PHONE 320-253-9495 <br />FAX 320-253-8737 <br />TOLLFREE 1-800-270-9495 <br />www.westwoodps.com <br />De*mjod: RJO <br />Checked: RJO <br />RJO <br />Drawn <br />Record Drawing by/date: <br />Revisions: <br />RECORD DRAWINGS <br />I hereby certify that this plan was prepared by me or under my <br />direct supervision and that I am a duly licensed PROFESSIONAL <br />ENGINEER under the laws o'ff the State of Minnesota. <br />Robert J. Olson <br />Data 11/12/2015 Ucem No. 45023 <br />Prepared for: <br />Wayzata <br />Country Club <br />200 Wayzata Boulevard West <br />Wayzata, Minnesota 55391 <br />Rain Garden <br />Construction <br />Orono, Minnesota <br />Grading and Erosion <br />Control Plan <br />22W Wa�2q�' e)14W20 14-- 0 1-2.11A t, I - <br />Date: 11/11/2014 <br />Sheet: 1 OF 1 <br />0004273.00GDF02.dwg <br />