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GRADING, DRAINAGE, AND EROSION CONTROL PLAN <br />�10 <br />8�e <br />- <br />5 <br />M. LEV. 908.64 <br />INV. ELEV. 90378 <br />ML � <br />L O-; I L A <br />1 <br />(BITUMINOUS SURFACE) g <br />O <br />(BITUMINOUS SURFA. <br />I I <br />3'x3'x5' WOOD <br />STAKES 0 8' 0.C. - <br />EXISTING GRADE <br />SILT FENCE. <br />TYPE PREASSEMBLED, <br />EUELESTOTSC OR <br />WAL-FASSTNSTAKES <br />10' MIN. <br />ACKFILL <br />URY BOTTOM 1OF <br />FABRIC <br />PROPOSED EM8ANKMENT <br />SILT FENCE REQUIREMENTS <br />FABRIC AS PER MNDOT SPEC. 3886 <br />8' MAXIMUM SPACING BETWEEN STAKES <br />2' MINIMUM EMBEDMENT OF STAKES <br />1' MINIMUM EMBEDMENT OF FABRIC <br />3'X3'X5' MINIMUM DIMENSIONS OF WOOD STAKES <br />HEAVY DUTY SILT FENCE PER MNDOT SPEC. 3886 <br />SILT FENCE <br />WOOD POST <br />MLSE No. 500 <br />GRADING LEGEND <br />EXISTING CONTOURS <br />PROPOSED CONTOURS <br />SILT FENCE <br />DRAINAGE ARROW <br />RAIN GARDEN <br />INFILTRATION AREA <br />LOCATION MAP <br />NOT TO SCALE <br />,I8. <br />�I,. <br />tlA <br />ot <br />be <br />SECTION 8, TOWNSHIP 31, <br />RANGE 22 <br />ANOKA COUNTY, MINNESOTA. <br />SELO <br />GAR: 912.0 <br />PROPOSED HOUSE TYPE (SPLIT ENTRY LOOK OUT) <br />PROPOSED GARAGE ELEVATION <br />LFE: 907.9ELEVATION <br />-PROPOSED LOWEST OPENING ELEVATION <br />L0: 911.9�� <br />GRADING NOTES <br />PROPOSED CONTOURS REPRESENT FINISHED SURFACE ELEVATIONS SPOT ELEVATIONS ALONG PROPOSED CURB DENOTE GUTTER UNE OF CURB. <br />EXISTING UTIUTIES SHOWN ON THESE PLANS ARE BASED ON RECORD DRAWINGS AND. WHERE POSSIBLE, MEASUREMENTS TAKEN IN THE FIELD. THE INFORMATION IS <br />NOT TO BE REUED ON AS BEING EXACT OR COMPLETE. CONTRACTOR SHALL CONTACT THE APPROPRIATE U11UTY COMPANIES AT LEAST 48 HOURS PRIOR TO <br />EXCAVATION. TO REQUEST EXACT FIELD LOCATION OF UTIUTIES. THE CONTRACTOR IS RESPONSIBLE FOR RELOCATING ALL EXISTING UTIUTIES WHICH CONFUCT WITH <br />THE PROPOSED IMPROVEMENTS SHOWN ON THE PLANS. <br />CONTRACTOR TO CALL GOPHER STATE ONE CALL (1-800-252-1166) 48 HOURS PRIOR TO EXCAVATION FOR LOCATIONS OF UTIUTIES. <br />CONTRACTOR REQUIRED TO PROTECT THE TREES TO BE SAVED. SHOULD ANY PORTION OF THE TREE BRANCHES REQUIRE REMOVAL TO PERMIT OPERATION OF THE <br />CONTRACTOR'S EQUIPMENT, THE CONTRACTOR SHALL OBTAIN THE SERVICES OF A PROFESSIONAL TRIMMING SERVICE TO TRIM THE TREES. SHOULD THE <br />CONTRACTOR'S OPERATIONS RESULT IN THE BREAKING OF ANY UMBS, THE BROKEN UMBS SHOULD BE REMOVED IMMEDIATELY AND CUTS SHALL BE PROPERLY <br />PROTECTED TO MINIMIZE ANY LASTING DAMAGE. NO TREES SHALL BE REMOVED WITHOUT AUTHORIZATION BY THE ENGINEER. COSTS FOR TRIMMING SERVICES <br />SHALL BE CONSIDERED INCIDENTAL TO THE GRADING CONTRACT. <br />CONTRACTOR SHALL STRIP, STOCKPILE AND RE -SPREAD SUFFICIENT TOPSOIL TO PROVIDE A MINIMUM FOUR INCH DEPTH TO ALL DISTURBED AREAS TO BE SODDED <br />OR SEEDED. <br />THE PROPOSED GRADING PLAN INDICATES FINAL GRADING AFTER THE HOUSES ARE CONSTRUCTED. THE CONTRACTOR SHALL APPLY A H0LDD0WN OF 2.5' ACROSS <br />THE BUILD PAD LOCATIONS DURING THE GENERAL GRADING OF THE SITE THE FINISHED BUILDING SUBGRADE ELEVATION SHALL NOT VARY BY MORE THAN 0.10 <br />FEET ABOVE OR BELOW THE PROPOSED ELEVATION. STREET OR PARKING AREA SUBGRADE ELEVATION SHALL NOT VARY BY MORE THAN 0.05 FEET ABOVE OR <br />BELOW THE PRESCRIBED ELEVATION. AREAS TO RECEIVE TOPSOIL SHALL BE GRADED TO WITHIN 0.10 FEET OF THE REQUIRED ELEVATION UNLESS DIRECTED <br />OTHERWISE BY THE ENGINEER. TOPSOIL SHALL BE GRADED TO WITHIN )¢ INCH OF THE SPECIFIED THICKNESS. <br />THE CONTRACTOR SHALL COMPLY WITH THE REQUIREMENTS OF THE MINNESOTA POLLUTION CONTROL AGENCY - NATIONAL POLLUTANT DISCHARGE EUMINATION <br />SYSTEM (NPDES) PERMIT. CONTRACTOR SHALL BE A C0-APPUCANT WITH THE OWNER. THE CONTRACTOR SHALL COMPLETE THE REQUIRED INSPECTION REPORTS <br />AND 8E RESPONSIBLE FOR MAINTENANCE OF THE EROSION CONTROL DEVICES. <br />EROSION CONTROL NOTES <br />ALL EROSION CONTROL MEASURES MUST BE INSTALLED PRIOR TO COMMENCEMENT OF GRADING OPERATIONS AND BE MAINTAINED UNTIL ALL DISTURBED AREAS <br />ON THE SITE HAVE BEEN RESTORED. <br />TEMPORARY EROSION CONTROL TO BE PLACED AROUND STORM DRAIN STRUCTURES DURING CONSTRUCTION. <br />SEDIMENT SHALL BE REMOVED FROM ALL SEDIMENT CONTROL DEVICES AS NECESSARY AND MUST BE REMOVED IF DESIGN CAPACITY HAS BEEN REDUCED BY <br />FIFTY PERCENT. <br />A STABIUZED CONSTRUCTION ENTRANCE SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR DURATION OF PROJECT. <br />ALL SLOPES 311 OR STEEPER, NOT TO BE SODDED AND GREATER THAN EIGHT FEET IN HEIGHT, SHALL HAVE EROSION CONTROL FABRIC INSTALLED. <br />STREETS SHALL BE KEPT FREE OF SEDIMENT CARRIED BY CONSTRUCTION TRAFFIC. <br />CONTRACTOR SHALL SEED AND MULCH ALL DISTURBED AREAS NOT TO BE SODDED. SEEDING SHALL BE PER MnDOT SPECIFICATION 3876 APPUED AT A RATE OF <br />FIFTY POUNDS PER ACRE. SEEDING IN POND AND INFILTRATION AREAS SHALL BE MIXTURE 310NWT (NATIVE WET TALL) IN ACCORDANCE NTH MnDOT <br />SPECIFICATION 3876 APPUED AT A RATE OF 82 POUNDA PER ACRE. MULCH SHALL BE PER MnDOT SPECIFICATION 3882, TYPE 2. THE MULCH SHALL BE <br />APPUED IN ACCORDANCE WITH MnDOT SPECIFICATION 2575.3, F1. MULCH TO BE APPUED AT A RATE OF TWO TONS PER ACRE. MULCH SHALL BE ANCHORED <br />WITH A DISC, CLCDBUSTER OR OTHER APPROVED EQUIPMENT. <br />0 <br />W <br />N <br />O <br />JZU) <br />Waz <br />m J <br />Nzz <br />W <br />Oz - <br />H <br />03 <br />z <br />J <br />oa <br />z <br /><0 <br />o <br />zz <br />p U <br />Q Z <br />fn <br />0 <br />IY <br />W <br />ISABELL ESTATES <br />LINO LAKES, MN <br />DRAWN <br />JMB <br />CHECKED <br />JCJ <br />PROJECT x <br />3446.001 <br />DATE <br />3/20/14 <br />4 of 9 <br />