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GENERAL GRADING NOTES: <br />1. Specifications applicable for this project: Current standard <br />specifications for City of Elk River, MN, and the latest Minnesota <br />Department of Transportation Specifications for Highway Construction <br />and all NPDES requirements except where modified by these contract <br />documents. <br />2. OSHA requirements shall be followed for all work on this project. <br />3. The Contractor shall notify "Gopher State One Call" 48 hours prior to <br />any excavation (1-800-252-1 1 66.) <br />4. The Grading Contractor shall verify all locations and elevations of <br />underground utilities with utility companies prior to any construction, <br />and immediately notify the Engineer of any conflicts. <br />5. Erosion Control shall be constructed, as applicable, as sequenced below: <br />A. Silt Fence. <br />B. Rock Construction Entrance. <br />C. Demolition <br />D. Common excavation (grading). <br />E. Seed and mulch or sod (See notes on Landscape plan). <br />6. Final Plat shall govern for easements and lot dimensions. <br />7. Any erosion control items necessary to protect adjacent properties shall <br />be constructed by the Grading Contractor. <br />8. Erosion control maintenance shall be performed by the Grading <br />Contractor, and removed as per the Contract Documents or as <br />directed by the Engineer, followed by all necessary restoration of <br />disturbed area. This work shall be incidental to the grading contract. <br />9. The Grading Contractor shall schedule the soils engineer to facilitate <br />certification of all controlled fills in a timely fashion. Density tests <br />shall meet the following: <br />A. Within the upper 3' of streets, the Grading Contractor shall <br />utilize approved soils that are within 1 % of the optimum <br />moisture content as defined by the Standard Proctor Test-ASTM: <br />D-698 with compaction meeting 100% Standard Proctor Density <br />and not exceeding this compaction by more than 1 %. Below <br />the upper 3', compaction shall meet 95% Standard Proctor <br />Density, and be within 3% of the optimum moisture content. <br />Grading tolerances shall be 0.1'. <br />B. Grading tolerances for the remainder of the site shall be 0.25'. <br />X 888.3 <br />X 888.9 d+ <br />.889 /J <br />i -7 a, <br />o -7 <br />i <br />8 f QJC, <br />ELEV.=889.6 <br />SW)=875.0 <br />10. All areas of unsuitable soils found in the pad described above that <br />cannot be corrected shall be located in the field by the Grading <br />Contractor. The Grading Contractor shall immediately notify the <br />Engineer of these areas and provide information as to their size and <br />location. <br />11. The Grading contractor shall provide positive drainage on the site at <br />all times. <br />12. The Grading Contractor shall keep public streets and travel ways clear <br />of soil and debris. Daily cleaning at the construction entrance shall be <br />performed, especially at the end of each day's work. <br />13. All silt fence shall be removed at project completion. <br />14. All proposed elevations are at curb flow line or finished bituminous <br />surface unless otherwise noted. <br />15. All erosion control best management practices shall be per City <br />standards. <br />C6 <br />61 C ..�� <br />\ �\���• goo • .. <br />TC 889 <br />890 o 889.5 <br /><2 <br />/ moo\ �vo X 890.7 <br />wP \ 01 <br />\ / 891 \ TC 890. \ "' ' <br />-10 / / '69 X 1.8 \ � <br />890. <br />-7X891.4 <br />8901 <br />\ \\ 91.6 <br />TC 891. 89\ \� gg�0 <br />892.0 X 89 ' ..:.:.: \ d'�o 3 <br />Ir�l II I n A n N I ,r�I A F_ <br />LJ L_ L-IV I/-\ I N I L_/-\ L_ <br />f E�EV. <br />/iVV 115 <br />/iVV. 4.� (IIV)-198s s <br />E&.�(EJ\8862 ;? I <br />\ ,, . y . opO g92 6 9/ o 00 0° Top w)8851` ti <br />io •. � \ 2S s' o°o°o ° o°°oo°o°0 0 0 BUT of ------ <br />Al � <br />°O f \ �, <br />\ / o gg 2. po 892.66 /p . o o° 0 9p 8g CU qS, <br />A <br />° 84 r'\X //y�OpO0°o 0 C 890.06 (FROM YOn'�NT eF/VC 1 I <br />\ ��i �i p00 8g.- 891. o0 8j-�j` �S & �;U eC//�7 V�B RK..890.91.E ,� , / �� o ° 892 �g6 8 X o0�, �o �o .. 7jER ORA 0.9,5 <br />+893.0 891.9 Q� P 9.5 w� o a <br />� h c <br />\ 93� -7 G �� 89? <br />$ 3 r' \ . o , + /.0 890.9 <br />\ /\ �Fy GPI �' / / �(� O\� O D �o�`l, �'L• � � <br />\ d h <br />F i' / 892 `` \\\� /'� o o ° x 892.2 0% e9 9 �� \.. f <br />\ / T Q 4 / �vnn�� � 2 � A � \ �� • TC � /NV. E�EV.8886 890.7 \ <br />891.21 <br />\ RIM ELEV. / 88 °01 <br />9214 <br />890 S <br />\ - <br />\ TOP NUT OF / 0 0 ° `'p0� o�� 89 o y4 892.17 1.49 X 89 .2 e 892 SO \ --'% ° C 891.0 <br />\ HYDRANT , �\ o ° �o v <br />1 <br />\ ELEV.=895.56 / 89 \ `\ ��, ��0 �� 40k/400/NG It^„ 887.8 X <br />\ 2.72 + X 892.4 _ / �� _ ° °° o 0 5- Q <br />' 6 0 S` SURMOUNTABLE <br />\ TC 3.6 T l' 9215 X 892.0 ' 9g X 891.1 N o ° o 00 0 °o o ° 0 F \ <br />\ �\ <br />P5 893. i o X 2,� x89 /� rn <br />\ o0 <br />_p,- gg3.2 0 ° o \ 2 00 oo°�o °moo <br />E �v 5 ° V �° 92.17 oo <br />X, \ �. o o ° (992, go / :OILBORING #3 N <br />8 <br />0 <br />\ \ \ 892.7 8;� 1 3.00 91.9 0 0° o OJ�� `� C o'�9 g� 60 892.0 88.3 <br />\ \893.1 �� 892 20 \ �X 89: <br />09� $g'L o/\G O \ J p��9 <br />891.7t) I <br />o \ N P X897.19 °O ��' 4g� .00 00 <br />o0 <br />c <br />000 <br />20 / 91 F 892 0 lot0. <br />x s9z ' a � 0 <br />\ l o o\ / sg i Ok 14 NG <br />�o <br />\ \ �'��� 51600 S x 888.3 <br />CY� <br />X891��`` <br />88.9 890 or �' ► a I ; �9 _ 891 _890.7 <br />\ \ EGA <br />90.8 <br />X 888.2 <br />\ \ -887 887.1 PRE-TREATMENT 887.3 <br />BASIN \ \ <br />\ / \ BOTTOM=883.0 \ <br />\ NWL=886.25 \ <br />100YR HWL=888.4 \ <br />DRAINAGE SPILLWAY <br />ELEV.=886.25 <br />ARTICULATED CONCRETE <br />BLOCK <br />X 888.9 - <br />INFILTRATION BASIN <br />BOTTOM=886.25 <br />OUTLET=887.50 <br />100YR HWL=888.4 <br />N <br />0 30 60 90 <br />GRAPHIC SCALE IN FEET <br />LEGEND: <br />908 <br />Existing Contours <br />>> <br />Existing Storm Sewer <br />x908.0 <br />Existing Spot Elevation <br />908 <br />Proposed Contours <br />►► <br />Proposed Storm Sewer <br />X 943.50 <br />Proposed Spot Elevation <br />2.40 <<< <br />Flow Direction <br />Overflow Route <br />S U RVEY DATA <br />SURVEY INFORMATION PROVIDED BY: <br />MEYER ROHLIN LAND SERVICES <br />708 1st AVENUE NE <br />BUFFALO, MN 55313 <br />DATED: AUGUST 12, 2021 <br />BENCHMARK: <br />TOP NUT OF HYDRANT ® SOUTHWEST CORNER OF <br />OUTLOT F. <br />ELEV.=895.66. <br />CLIENT: <br />SDK ARCHITECTS <br />5075 Holly Lane N., Unit 7 <br />Minneapolis, MN 55446 <br />Steve Krause <br />stevek@sdk-architects.com <br />763-331-5178 <br />W <br />0 <br />Q <br />rr <br />O <br />~ <br />~ <br />V <br />ui <br />r <br />M <br />Z <br />Ja <br />Z� <br />a <br />2: <br />Iftm <br />�.. <br />�m <br />W <br />OUJ <br />Jc <br />Z <br />UJ <br />fq <br />W <br />r L <br />°p % <br />Q <br />o�j <br />� <br />a <br />111 <br />w <br />cc <br />CO) <br />Q <br />0 <br />Q) <br />J <br />o � <br />a�00 <br />q)� <br />N <br />10 (0 <br />-,;,3N <br />o "`o <br />I o <br />o W <br />d <br />W <br />I a� ��� <br />�� o <br />y ' <br />Z <br />W <br />Aim <br />o �� <br />co <br />U <br />UC) U� <br />W � <br />y N <br />10 U <br />O � <br />L <br />C -s <br />N <br />� ° <br />m <br />0 0 0 <br />O <br />N 3 <br />Q <br />c <br />4< CURB & GUTTER <br />/ TW=892.0 <br />887.9 X BW=891.5 <br />° 00 pO TW=892.0 <br />°O <br />BW=888.7 <br />92 <br />38 <br />^C �� I <br />)9• <br />\ / C 8906 <br />72 I <br />0 <br />892.0� <br />TW=892.0 ag�'3 17151, <br />BW=888.7 <br />o <br />TW=892.0 <br />Z <br />MO N 1 BW=891 5 <br />o <br />\ /AV/ <br />8.0 X 889.7 <br />•s <br />50 �889�_ <br />N <br />(n <br />8a8 <br />x <br />° <br />N <br />m <br />m <br />X 888.4 <br />p <br />m <br />W <br />O <br />EOF=888.5LQ <br />�u <br />� <br />C� <br />� <br />U <br />O <br />O <br />O <br />U <br />FILE NO. 00865 <br />INDEX OF CIVIL SITE DRAWINGS: <br />CO PROJECT LOCATION PLAN <br />C1 SITE PLAN, PUD DEVELOPMENT PLAN <br />C2 GRADING AND DRAINAGE PLAN <br />C3 STORM SEWER PLAN <br />C4 SWPPP <br />C5 EXISTING CONDITIONS & REMOVAL PLAN <br />C6-C7 DETAILS <br />C8 LANDSCAPE PLAN <br />c2 <br />Grading & Drainage Plan <br />