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Albertville Townhomes Westwind 3rd Addn (16) BIG PLANSWAh­' INN •.l ®r b.. alsnNG CIVILL LEGEND PROPosm onsnNc CIVIL LEGEND PROPosEn STORM WATT%ER POLLUTION PREVENTION PLAN (SWPPP) 0SANITAtRY MANHOLE ! GENERAL NOTES:®- DIRECTION OF FLOW�= NIKKI STORI.M MANHOLE (9)-, I. THE NATURE OF THIS PROJECT WILL CONSIST OF CONSTRUCTING: 54 SINGLE FAMILY LOTS, STREETS, NORTH COICH BASIN sPor ELEVATION X UTILITIES, AND) A SEDIMENTATION PONDS. _ } ciuLVERT - s CONTOURS .-�"��*--� 2. .THE INTENDED) 'SEQUENCING OF MAJOR CONSTRUCTION ACTIVITIES ARE AS FOLLOWS: 40 81� - HYDRANT # ." �_ SANITARY SEWER I: INSTALL STABILIZED ROCK CONSTRUCTION ENTRANCE PAD. �,�--• STORM SEWER �� 2. INSTALLATI'CON OF STAGE I SILT FENCE AROUND SITE. GAWEVALVE jN 3. CLEAR AND GRUB FOR SEDIMENT BASIN/DITCH INSTALL %7= POST INDIICATOR VALVE i�aly I WATERMaIN' �� 4. INSTALL STAAGE 2 SILT FENCE AROUND ALL STRUCTURES, PONDS AND WETLAND RESTORATION . . FORCEMAIN FM 5. CONSTRUCTi SEDIMENTATION BASIN. hK LIG'WT POLE 6. CLEAR AND) GRUB REMAINDER OF SITE. _ `�'- SCALE IN FEET PO%VJER POLE DRAINTILE » DT-- ` 7: STRIP AND, STOCKPILE TOPSOIL: �• ��� SILT FENCE t 8. ROUGH GRXFDING OF SITE. � 41,, , - - ESIGN 9. STABILIZE DiENUDED AREAS AND STOCKPILES I. AN •-"-"---"-"-w- CURB & GUTTER 10. INSTALL SANITARY SEWER, WATERMAIN, STORM SEWER, AND SERVICES: `� 'w a w s M1 BEMCHMARK Q, , m ®®� RETAINING WALL 11. SUB -CUT S I RESTS, INSTALL STREET SECTION. �•' � +� F'� f ' WAQEFIZI MANHOLE TREELINE JI1�RB AND GUTTER. ` _ V-,,, 12. INSTALL C u •''�} `� '��` L �` - -_ 13. BITUMINOU, ON STREETS `ftW `•� `,, ' 1.,-% ----- EASEMENT LINE 14. FINAL GRADE BOULEVARD INSTALL SEED AND MULCH. ` `'�II 15. INSTALL STI AGE 3 SILT FENCE BEHIND ALL CURB 4* try TELEPH(SDNE MANHOLE � SETBACK LINE - • - • - • - �,� �� __ a";;•-w�.,'\„•� ' -.,� ^,�„ UTILITIY MANHOLE Ifi. REMOVE A(OCUMULATED SEDIMENT FROM BASIN. - g� FENCE uNE -x x- 17_ WHEN ALL. (CONSTRUCTION ACTIVITY IS COMPLETE AND THE SITE IS STABILIZED, REMOVE SILT FENCE W + da. ELECTR3(C MANHOLE 'Hill�. �.. UNDERGROUND TELE AND RESEEID ANY. AREAS DISTURBED BY THE REMOVAL. vW., °+ FHill 4 18. SEE PRELIIvi11NARY ' e WATETR SERVICE --� LAND INVENTORY MITIGATION AN FOR DIN OF L AREA'S WET E & MI ATION PLAN SEEDING WETLAND REA 4, f w� iml, Ww + s� + �ts'A". UNDERGROUND GAS gm4ia" m • li`. �•'►,.. �''+ --er--u SANITARY SERVICE UTILITY 3. SITE DATA: OVERHEAD ,,,.' HANDIC?AI' PARKING AREA TO BE DISTURBED = 42.25 oc. I v ti `,`."•� ` \w '� % PRIOR TO POST doe a/ "� `� ., �:'�, '„- CONSTRUCTION CONSTRUCTION IMPERVIOUS AREA 0.00 ac. 9.00 ac. . P r •� / _ ! '<. �,:..',� {� ?``'' SOIL TYPES: SEE SOILS REPORT r N POST CONSTRICTION RUNOFF COEFFICIENT CN=78 96 4. THE LOCATION; (OF AREAS NOT TO BE DISTURBED MUST BE IDENTIFIED WITH FLAGS STAKES, SIGNS / W 3 ` ? `` , �� ^4. s+- ��. � . SILT FENCE, E.TTC. BEFORE CONSTRUCTION BEGINS. way 5. ` CONSTRUCTION] :ACTIVITY - EROSION PREVENTION PRACTICES TIME AN AREA CAN REMAIN TW=959.0 �r`'�• r r � , w .. `` OPEN WHEN NOT ACTIVELY r qW=9�7. / E i ., _ , - `1. .f i TYPE( F SLOPE BEING WORKED: r,r o g '` t STEEPE_� THAN 3: 1 7 DAYS � .,, W 10:.11 TO 3:1 14 DAYS �� \ �r i ° .�W� FLATTERi THAN 10:1 21 DAYS u •I it tl 0T i U d ��r 964.0 '96 4 L {'�, xw �, DENOTES SLOPES STEEPER THAN 3:1 t a' j / 96a`2.35 962 6. ON SLOPES 3::11 OR GREATER MAINTAIN SHEET FLOW AND MINIMIZE RILLS AND/OR GULLIES, SLOPE LENGTHS CAN! [NOT BE GREATER THAN 75 FEET. ID �' ��' 962. 63.5 s6 2 �� _ R, '' d,�, ��` �„ 7. ALL STORM DWAINS AND INLETS MUST BE PROTECTED UNTIL ALL SOURCES OF POTENTIAL DISCHARGE �+ , 964. 4:2 �O ./" � �962.7 °' .3 �' �(� � W, �� 7 ^.�� �,.•` /�����.,, ,�� ARE STABILIZED. ,� J " 964. �62. ..�-. 8. TEMPORARY SOIL STOCKPILES MUST HAVE EFFECTIVE SEDIMENT CONTROL AND CAN NOT BE PLACED � ✓fir � A � r � '.:1, u�` w,� s•'' �.., ,`•.,~r''_5; •°'� , q f IN SURFACE WATERS OR STORM WATER CONVEYANCE SYSTEMS. TEMPORARY STOCKPILES WITHOUT Si. �"" SIGNIFICANT AWA`OUNT OF SILT, CLAY, OR ORGANIC COMPOUNDS ARE EXEPMT €EX: CLEAN. AGGREGATE f' `"® -9irE' 959.93 w n s w �`� , W` 96 ��., 963.3 �'�' ...��® .9 , 982 !� w ,, ,W� STOCK PILES, CIEMOLITION CONCRETE STOCKPILES, SAND STOCKPILESj. `y 64 964.2 964. �, 9. SEDIMENT LADLiN WATER MUST BE DISCHARGED' TO A SEDIMENTATION BASIN WHENEVER P I . f i3 `ww "�. �. 6 �`V, +�. W' .I, * `� E POSSIBLE. IF %�,,, / ' / _ , �0, i w� NOT POSSIBLE-, 'IT MUST BE TREATED WITH THE APPROPRIATE BMP S. •. 40 �sY p�f / p� 9 \ r 164.3 I-_963_5 63 I ! ,yr .r - Ja� �`. A �,� ! ` •^ SO 963.8 3�"�7u ='� - �'�. \ '` 10_ SOLID WASTEi1UST $E DISPOSED OF PROPERLY AND MUST COMPLY WITH MPCA DISPOSAL REQUIREMENTS. W-g62.Ib / 963.2 9fi3.0 �r _ �,��4:}✓ w a".. •, J BW96210 ..B58 963.3 ., 4 \ ... „ g�6 �» II. EXTERNAL WASJHING OF CONSTRUCTION VEHICLES MUST BE LIMITED TO A DEFINED AREA OF THE SITE. 9648 90 r�r e e ` " ti \ 12. NO ENGINE DE_i7 e` wr D /° '� REASING IS ALLOWED ON SITE. rA I zr' 963.5-y- =.. W r`-� 963 2' 2. ' / .,"" �'• 4 14, 13. 963.5 EOF.'r ', 962 22f' ql �p °�rW 4, " 13. THE OWNER WHfO SIGNS THE NPDES PERMIT APPLICATION IS A PERMITTEE AND IS RESPONSIBLE FOR 2.3 r i ""` `-. 4 f� ,� COMPLIANCE Wl1_1TH ALL TERMS AND CONDITIONS OF THE PERMIT. THE OPERATOR CONTRACTOR WHO SIGNS THE NPDES PERMIT APPLICATION IS A PERMITTEE FOR PARTS II.B., PART ILC AND PART IV. OF THE NPDES PERRMIT AND IS JOINTLY RESPONSIBLE WITH .THE OWNER FOR COMPLIANCE WITH THOSE - 64 ( Sy I �g /"''�954.3 / `' r-,�:i �• ,„.+• /iru' "''�I PORTIONS OF THE PERMIT. TW 964. E91+= 63 t y 6 .3 I �- `-. y7 ��, 0 36� ``F 14. CHANGE OF CO)WERAGE- UPON COMPLETION OF GRADING, UTILITIES, AND STREET CONSTRUCTION THE 62.7 ' ,- '� NEW OWNER (HEOME BUILDER) MUST SUBMIT A SUBDIVISION REGISTRATION WITHIN 7 DAYS OF ASSUMING / 962•,.¢', OPERATIONAL r't`ONTROL OF THE SITE, COMMENCING WORK ON THEIR PORTION OF THE SITE, OR OF THE nF q jf J W" 953.4 / p , ,. ' + �� ., LEGAL TRANSFER, SALE OR CLOSING ON THE PROPERTY. NOTE: THE NEW CAN IMPLEMENT THE ORIGINAL g63'0 / / ¢9 ���° ° ` 962'(Y `�'� • 9 SWPPP CREATED FOR THE PROJECT OR DEVELOP AND IMPLEMENT THEIR OWN SWPPP. I I a r ) - „ ,/ / � r•ct ! �� " /' E / ,/`r- 15. TERMINATION Qr COVERAGE-PERMITTEE(S) WISHING TO TERMINATE COVERAGE MUST SUBMIT A NOTICE i fi3.3 . 9L5 .9. t e / �w� qF � , �•. �°°�OF TERMINATIOM (NOT) TO THE MPCA. ALL PERMITTEE(S) MUST SUBMIT A NOT WITHIN 30 DAYS AFTER 96 . 9 4.I t i f i I t �u 3 I .�'` - -r I� t w I �1 _ _ . ,� .r '�f ONE OR MORE (OF THE FOLLOWING CONDITIONS HAVE BEEN MET: is �- ig r A. FINAL STABIILIZATION, PER NPDES PERMIT PART IV.G. AND DEFINITION IN APPENDIX B HAS BEEN r � III 4 ACHIEVED OJN ALL PORTIONS OF THE SITE FOR WHICH THE PERMITTEE IS RESPONSIBLE. �uf f � fD tV 964.33 . Ila Q g 96 .5 �� 964.0 / 3.35 "` w� ` , i t W=;6 BFNALL Y 01'(MER HAS ASSUMED CONTROL OVER ALL AREAS OF THE SITE THAT HAVE NOT BEEN 6 °� - 964.3x 964.7�. �( `� ST'�BILIZED.G.FOR RESIDEI`IjTIAL CONSTRUCTION ONLY, TEMPORARY EROSIONPROTECTION AND DOWN GRADIENT 964.8 �1 64 PERIMETER CONTROL FOR INDIVIDUAL LOTS HAS BEEN COMPLETED AND THE RESIDENCE HAS BEEN . I 3.8% ;, ,. TRANSFERRED TO THE HOMEOWNER. ADDITIONALLY, THE PERMITTEE MUST DISTRIBUTE THE MPCA'S `s a j` 64.4 96�3.8 4.1 i �/�r y �, u+� "HOMEOWNER F-/ACTSHEET" TO THE HOMEOWNER TO INFORM THE HOMEOWNER OF THE NEED FOR AND 999 -- - - ( ry� r '`� ry. �'� f - BENEFITS OF, Ft1NAL STABILIZATION. p 1 � 96 �' 96 . �., , "'!" .'"� /! P 16. INSPECTIONS �r� S \ 964. = � , A. INITIAL INSPIECTION FOLLOWING SILT FENCE INSTALLATION BY CITY REPRESENTATIVE IS REQUIRED. >' �t 9� _5 50� \ r o� 4 qL" 4 = / B. EXPOSED SQfL AREAS: ONCE EVERY 7 DAYS AND WITHIN 24 HOURS FOLLOWING A 0.5" OVER 24 m i 96 .8 a _•, ti / �' ro 4 ` HOURS RAIN! 'EVENT. t . - 964.5 ` .. _ 964_; > a o ', ,- ' .�- 5 = , '• 965 5 ,'"° f ` t3 °j �� C. STABILIZED AREAS: ONCE EVERY 30 DAYS = 6445 -` � _ , flt_•` 3 w " �'` D. FROZEN GROJUND: AS SOON AS RUNOFF OCCURS OR PRIOR TO RESUMING CONSTRUCTION. =l �63+ .- j g' ° "# " 17. OWNER MUST KEEP RECORDS OF ALL PERMITS REQUIRED FOR THE PROJECT, ALL INSPECTIONS AND ��\ 964.2 �' 5 ,✓r ^o i1 "�� MAINTENANCE, l;?ERMANENT OPERATION AND MAINTENANCE AGREEMENTS, AND REQUIRED CALCULATIONS f • .,, .oF o° �'`'! FOR TEMPORAR,Y'� AND PERMANENT STORM WATER MANAGEMENT SYSTEMS. THESE RECORDS MUST BE RETAINEDr FOR TrHREE YEARS. 74. 18: SWPPP MUST BlE AMENDED WHEN: J t2 963 7j " `� A. THERE IS A, (CHANGE IN DESIGN OPERATION MAINTENANCE, WEATHER OR SEASONAL CONDITIONS (�s �k _ 64.5 63.0 h , . , , `.;.. . THAT HAS A,a SIGNIFICANT EFFECT ON DISCHARGE ti :: 9ti \ o� _ 963.7 t b �• i w 4� S !INDICATE THAT THE SWPPP IS NOT EFFECTIVE AND DISCHARGE IS EXCEEDING WATER I •ry• 64. B. INSPECTION , .j,L} . i I I 9 d 1�" 1 `� , 6 I vE QUALITY ST NNDARDS. 96 ' C. THE BMP'S IIN THE SWPPP ARE NOT CONTROLLING POLLUTANTS IN DISCHARGES OR S f 65.0 �• 9 CONSISTENT 'WITH THE TERMS AND CONDITIONS OF THE PERMIT.63. I NOT �Qn 63.E �``. :,: `'T \ �11 � �• .962.3 _ 'tl" Sp srz5.o -'°� �° SILT FENCE ]REQUIRED MAINTENANCE: ,+�' _ •.y n ~^t I. WHEN SEDIMENT REACHES 1/3 THE HEIGHT OF SILT FENCE IT MUST BE REMOVED WITHIN 24 HOURS. „u� Ti 1-- ••� .„``». ~ • j'�' 11 2. REPAIR OR REPILACE DISFUNCTIONAL SILT FENCE WITHIN 24 HOURS. 'ri,•E'' - �eali u ^.. '"•,.,y w'""`,w.yI, CALL BEFORE YOU DIG? 65'f'Ip W Gopher State One Cal I �f 14=9hd I / }t w--62.0TWIN CITY AREA: 651-454-0002 a TOLL FREE: 1-800-252-1166 \.. ,T = o IgWA R N I • '�, f - '.�- �, � , _ �u '' _ � Ir � fr� LI!,� •,F i � ,f "'�Ilhs n ^r 4'.., 'r_s,.-,. '6� '.ti..,-. 4�1. Jam- _„�,,,,e J(.,�� ��_ Wm THE CONTRACTiOR.SHALL BE RESPONSIBLE FOR CALLING FOR LOCATIONS OF ALL EXISTING UTILIfTIES. THEY SHALL COOPERATE WITH ALL UTILITY COMPANIES IN MAINTAINING THEIR SERVICE AND / OR RELOCATION OF LINES. + t THE CONTRACTOR SHALL CONTACT GOPHER STATE ONE CALL AT 651-454-0002 AT LEAST 48 H:C)URS IN ADVANCE FOR THE LOCATIONS OF ALL UNDERGROUND WIRES, CABLES;,, CONDUITS, PIPES, MANHOLES, VALVES OR OTHER BURIED STRUCTURES BUEFORE DIGGING. THE CONTRACTOR SHALL REPAIR OR REPLACE THE ABOVE WHEN DAMAGED DURING CONSTRUCTION AT NO COST TO THE OWNER. Project Name: Albertville Town homes AlbeitAlle, Minnesota Owner Develolper Name: Dominiium Management Srvices, Inc. 2355 Pdairs Lane, Suite 100 Minnea dis, Minnesota 55447 David IDye.(763-354-5500 I Professional Services: AssocIATES_... Planning • CiviII!Engineering - Land Surveying Landscape A'trchitecture • Environmental ■ 7200 Hemlock Lane - Suite 300 Minneapolis, Minnesota 55369 Telepkbone: (763)424-5505 Faw (763)424-5822 www. Leo u cksAssoc iates.com ©2004 CADD ualifiis`ation: CADD files prep . red by the Consultant for this project are instruments c0the Consultant professional services for use solely with t Eespeet to this project. These CADD files shall not be used on'o-Ither projects, for additions tp this project, . or for completion of tht� project by others without written approval by the ConsultsWt With the Consultants approval, others may be permittedUD obtain copies of the CADD drawing files for information and'rteference only. All intenftonal or unintentional revisions, additions, ordjeletions to these CADD files shall be made at the full risk of thati:party making such revisions, additions or deletions and that pa: MY shall hold harmless and indemnify the Consultant from any 0-all responsibilities, claims, and liabilities. 07-127 Submittal: 2-14-08 City 5ubm>ittal Professional Si' nature: 1 hereby certify that'tthis plan, specification or report was prepared by me or wander my direct supervision and that am a duly LicenseldJFProfessional Engineer under the laws of thta. State of Minnesota. o� Ten 0 25126 �� se Date Quality Controll: A(MB WRP Project Lead: Drawn By. [RLL Checked By: Review Date: Sheet Index: C1-0 Cover 5he t C1-1 ExistingC*ditions Plan C1-2 Removal PIIan C2-1 Site Plan C3-1 Grading arncd Drainage Plan 0-2 Storm Water Pollution Prevention Plan C44 Utility Plain C8-1 Project Details C8-2 Project Dettails 1.1-1 Landscape'=[Plan . Sheet Title: Storm Water Pollution Preventlon.Plan Project No.: 07-127 Sheet No.: C3 -2