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3a. High Zone Water Tower Site Plan Approval0 CITY OF CHANHASSEN 7700 Market Boulevard PO Box 147 Chanhassen, MN 55317 Administration Phone: 952.227.1100 Fax: 952.227.1110 Building Inspections Phone: 952.227.1180 Fax: 952.227.1190 Engineering Phone: 952.227.1160 Fax: 952.227.1170 Finance Phone: 952.227.1140 Fax: 952.227.1110 Park & Recreation Phone: 952.227.1120 Fax: 952.227.1110 Recreation Center 2310 Coulter Boulevard Phone: 952.227.1400 Fax: 952.227.1404 Planning & Natural Resources Phone: 952.227.1130 Fax: 952.227.1110 Public Works 7901 Park Place Phone: 952.227.1300 Fax: 952.227.1310 Senior Center Phone: 952.227.1125 Fax: 952.227.1110 Web Site MEMORANDUM TO: Todd Gerhardt, City Manager FROM: Bob Generous, Senior Planner DATE: July 11, 2011 p SUBJ: Site Plan Review for Construction of a Water Tower Planning Case #11-05 PROPOSED MOTION "The Chanhassen City Council approves the Site Plan for a water tower located at Minnetonka Middle School West, plans prepared by SEH dated July 11, 2011 subject to the conditions of the staff report; and adoption of the findings of fact." City Council approval requires a majority vote of City Council present. EXECUTIVE SUMMARY The City of Chanhassen is requesting site plan approval to construct a 750,000 gallon water tower on the Minnetonka Middle School West site. Utility services are a permitted use on the site. The water tower will be located in the extreme southwest corner of the property between the school building and the south and west property lines. Staff visited the Minnetonka Middle School site to evaluate the material options. The school building material is primarily red brick. Staff recommends the use of 12008 Mankato Cut Stone (see photo). The design of this custom rock concrete resembles the brick design. The horizontal lines will de- emphasize the height of the tower. Staff also recommends the use of www.ci.chanhassen.mn.us an expanded cornice at the connecting point of the tank and pedestal to add architectural interest. If this material is used, staff strongly recommends that the tank color be a shade complimentary to the tan and avoid using the typical sky blue. Chanhassen is a Community for Life - Providing for Today and Planning for Tomorrow Todd Gerhardt July 11, 2011 Page 2 PLANNING COMMISSION SUMMARY The Chanhassen Planning Commission held a public hearing on June 21, 2011. The Planning Commission voted unanimously to recommend approval of the site plan for the 750,000 gallon water tower. The Planning Commission noted that the reason for the water tower was to improve public safety through the provision of adequate water capacity in the northwest part of the city. Planning Commission minutes are item 1 a of the July 11, 2011 City Council packet. RECOMMENDATION The Planning Commission and staff recommend adoption of the motion approving the 750,000 gallon water tower on the Minnetonka Middle School West property subject to the conditions of approval specified on pages 6 and 7 in the staff report dated June 21, 2011. ATTACHMENTS 1. Revised Plans prepared by SEH dated July 11, 2011. 2. Planning Commission Staff Report Dated June 21, 2011. gAplan\2011 planning cases \11 -05 water tower site plan \executive summary.doc 3q CONSTRUCTION DRAWINGS FOR 750,000 GALLON WATER TOWER FOR THE CITY OF CHANHASSEN MINNESOTA � �RG hi PROJECT LOCATION N LOl'.ATION ►a P NO P SHEET NUMBERING LEGEND DISCIPI INF G GniRAL NPofYATION C uvL L ANDSWE P PRDQQ E nED na1 s E17 P1 ONS - rtTV S-.17NCr O A 111 • ....Fa CITY HALL SHEET INDEX G1 TTRE sNn:T ANo sTN>Er vent G2 Rmwo ARRRFVIATN . LFOFNO mo GDVEIUL NDIfS Cl mnS G C DON1N5 C2 CRAgNG PLVi C3 nNssaN coNma PLAN C4 PED aNs C5 511E AND nT WPROVEN C6 ouf C7 DUALS C8 D6T L7 tANOSGPE PLAN L2 DE ALL5 P7 DONPOSOE TANK - PIAxs ANO Trnrwl samorT P2 FUMM C MN -PUNS AND TTPIC& MMON (ALTERNATE 1) P3 1YPIGL SFLTDN P4 F1NFD C K ELEVATON AND LOGO OKWAI N PUN P5 of Aus E1 E3F.CIRIOLL sffE PLW E2 Tux - FIFOIRICIL - 0 uDNN1G fY.WS AND E3 aEGmlou -Nn m AND DLT 3 >t R� 2� t a GENERAL DRAWINGS ABBREVIATION LIST All AND= BOLT 0 GATE PSI POUNDS PER SOUARE INCH K ADAPTER RANGE G GMIOE P POINT ALT ALTERNATE GAL GALLON w FWO VALVE ALLBM AUYMIW ONLY GALMAN® w a l l PLUG VALVE t BOX AILS AIEEdGN NATION& STANDARDS INSTITUTE ON D GROUND PVC POLYVINYL CIMLDINE APPTCM APPROXIMATELY OP WARD POSE ARCH APD*= GPO G410S PER MY OTY OWNITY ASS( ASSEMBLY OPM GALLONS PER MINUTE ASTM AMERICAN SOCIETY FOR TESTING ARO MATERIALS ORV GROOVE R RADIUS AI AUXILIARY M t B GTE VALVE t BOX RCP ppNFORCED CONCRETE PIPE A G AVERAGE RD ROOF DRAIN NITWIT AMERICAN WATERWDRI ASSOCNION HD NERVY DUTY RDCT RE;fN10NAR AZ AZIUTH NY HOLLIY METAL RED REDUCER t AND HP HORSE+OWEIt RENT REINFORCE (D) O AT HPT HIGH! POINT RED REWIRE (D) MR HOUR REV REVISION DC BOLT CIRCLE ESP HIGH SERVICE PUMP w RECLAIM PUMP GO BWDUNOUS NTR HEATER RPM REWLLNONS PER MINUTE BLDG III NNE. HIGH WATER LEVEL. RR RAILROAD BF SLID FVAOE HANK HN BLOCK 111D HYDRANT SAN SANITARY BOT BOTTOM HEATING, VENTILATING. AND MR CONDITIONING M SOUTHEAST ffV BUTTERFLY VALVE ID INSIDE DIAMETER SEC SECIION Bw t B BUT EMILY VALVE AND BOX IN INC SCADA SUPERVISORY CONTROL AND DATA ICOUIsION INN INVERT SGI SCHEDULE . 0 DEGREES CELSIUS IPS IRON PPE SUE SW SIMILAR C CHECK SIN SLEEVE CET COMPOSITE ELEVATED TALL JT JOINT SP SLUDGE PIMP CFTC CUBIC FEET PER MINUTE SPEC SPECIFiGTON CIEMI CHOUCAL RV METE VALVE SS SUNLESS STEEL CH. ILOI■E SO STANDARD D CAST" W L. LOW STRUCE sTHUDURAI Cp CAST MON PIPE LF UNEAL FEET/FOOT SO SOUARE CA CONSTRUCTION JOINT LL LIQUID LEVEL SYY SYMMETRICAL DD CIS LP LOW PINT CL CENTERWE LT LEFT TEMP TEMPORARY DIP OORREMAZED METH. RK UAL RDA WATER LEVEL TH THICX DRI CONCRETE MASONRY UNIT T O THREAD CO CLEAN-OUT WAG MAGNETIC THRU THROUGH GONG CONCRETE MAT. MATERIAL TOG TOP OF CONCRETE COAT CONTINUOUS MAX MAJIEIM TKID TREATED C.T. CERAMIC TILE MECHH MECHANICAL TYP TYPICAL CIE CONNECT TO EXISTRD MP: MANUFACTURING ORE JT CONTROL JOINT MFR MANUFACTURER JON UNLESS OTHERWISE NOTED W CUBIC AN MANHOLE d CHECK VALVE MW MINIMUM VAC VACUUM MSC MISCELLANEOUS VTP VTTRIFED DAY PPE OP DEEP W AECIYNICAL JOU/F VEIL VERTICAL DA DIAMETER VFD VARIABLE FREWENCF DRIVE DP DUCTILE INCH PPE N NORTH LAID [MEANING N/A NOT APPUC W WIDE/YESf MOM NOMINAL W/ WEEK E FAST RED NMTNE W/0 WITHOUT EA FARM MIC NOT W CONTRACT W. WATER LEVEL ECO EDOENfRO NO NORMAL CLOSED W7M WATER MAN E. ELEVATION NO NON OPEN WS WATER SURFACE EEO ELECTRICAL W. NUMBER WT WEIGHT EDLAP EDUPYENT NPS RAMOML PPE Siff WIP WATER TREATMENT PLANT DOW EKED APT NATIONAL PIPE THREAD WWIP WASTEWATER TREATMENT PLANT BE EACH MY NIS NOT TO SCALE IX FISTING NEW NORTHWEST X FENCE NWL NORMAL WATER LEVEL 'F DEGREES FA■ENHF7f YD YARD FD FLOOR DRAIN 0 /C. OC ON OEOER FEN FDEDATON CO OUTSIDE DUMEIER FFE FINISHED FLOW ELEVATION GANG OPENING FL FLOOR OS&r OUTSIDE SCREW AND YOKE FTD FIANDE TEN FCRCEMAN PE PAN END FPS FEET PER SECOND PED PEDESTRIAN TRIP FIBER REINFORCED P&G PIPING AND INSTRUMENTATION OVDRAII FT FEES/FOOT PL RATE FO FTTTRD/FONI G PNT PART M FNWE PIGS POSITIVE PP POWER POLE PPC PRESTRESSED PRECAST CONCRETE PIN PRESSURE BELIEF VALVE GENERAL DRAWINGS SITE LEGEND 5 SURVEY WELME - -- RIDNT OF WAY ---- -- ---- -------- - - - - -- IEPOPMf FASE]IFNf - - - - - - - PERMANENT EASEMENT ENISTING -> SNORT/ SEWFN AND MANHOLE -» STORY SEWER AND MANHOLE 070.^ HYDRANT AND VALVE F- FIREMAN �� DNGMFID a SEWER ICE D N CUR B 510P BOX WATER B AND CUR GTd BASH WATER \4LLVE AMAYHIE C NDERG - UNDERGRO TELEPH NDER D IC CABLE OR C ONDUIT E MOM T TELEPHONE M E] TELEPHONE CABLE OR CONDUIT" 7E PEDESAL ABLE T PEDVE PmEST CARNE IC ESTAL OL POUR P C MANHO P DOWN POLE CON DUY P OLE # STEEL LIGHT POLE GAS M MAN SIGN11 STANDARD -o- OAS NN A IS VALVE 0 SOL BORNO --------- CONCRETE CURB A CUTTER TF CONCRETE PAVEMENT" OR SIDEWALK 5101 OHWY. PARK, STOP. ETC.) + SIFEET SIGN DOOR RMIR M) ERMINE, z FENCE TREE (DECIDUOUS) 0 TREE (CaNRFROJS) O BUSH -SHRUB t NODDED AREA BULCNG NEW CONSTRUCTION SMEAR/ SEWER AND MANHOLE STORM SEVER AND MNHOE WAT.UWN. HYDRANT AND VALVE FOIOFLWN BULKEA0 SNDAR/ SEWER S MENACE A WFA EW%E SE WEB SLOP BOX CATCH BASIN • am VALVE AAHROLE CULVERT COMMITTEE CURB AND OUTER # SLED. UGH` POLE ■ iMFFC SOIW, STANDARD, SON OILY, PARK SOP. EC) JL SHEET LIAR FEED PONT ------- - - - - -- STREET UMWG CANE GENERAL PIPING LEGEND EDSIINO PIPE FLAoTD PPE �- MECHADGL JOINT PPE BUTTERFLY VALVE GTE VALVE CO BEND TEE GENERAL NOTES 1. INFORMATION REGARDING THE BMW CONDD016 WAS OBTAINED FROM SURVEY DATA AND PRELIMINARY FIELD INVESTIGATIONS. ALL EODSTNG AND PROPOSED CONDITIONS SHALL BE FIELD VERIFIED BY CONTRACTOR PRIOR TO ANY CONSTRUCTION. 2 TIME ORAWNCS ARE ESSENTIALLY TO SCALE UNLESS IDIFD GUEDA156 DRAWING'S SHALL NOT TALE PIES OYLR ME MEASUREMENTS. O. ALL WORK SH MLL BE COORDUATm WITH OTHER TRADES, THE CONTRACTOR SHALL CONSULT ALL DRAWINGS AND VARIOUS CONSTIILTON TRADES TO ACOULANT SELF WITH TIME PROJECT. CONTRACTOR SHALL IMIELUTFLY NOTIFY ENGINEER OF ANY OSIRmANIES NOTED BEFORE AD DURING CONSTRUCTION. THE ENGINEER RESERVES THE RIGHT TO MANE REASONABLE MODIFICATIONS IN LAYOUT TO AVOID CONFLICT WITH THE WORK OF OTHER TRADES AND FOR THE PROPER EXECUTION OF THE WORK AT NO ADDITIONAL COST TO THE OWNER. ♦. ML WORN SHALL BE CONDUCTED WITHIN THE UWTS OF CONSTRUCTION. CONTRACTOR 94AL1 REPAIR AND RESTDE ANY PAVEMENT, UTILITIES. OR OTHER FEATURES OUTSIDE THE UNITS OF CONSTRUCTION THAT ARE DAMMED DUE TO THE CONTRACOR% ACTS OR NEGLIGENCE AT THE CONTRACTORS MN EXPENSE S. THE CONTRACTOR SKYL COMPLY WTN ALL CM. COUNTY. NO STATE ROAD RES FOR HAU N; AND EOUPAD(T MOBLRATON. I. T CONTRACTOR SHAL ASSUME FULL RF9VXSIBWIY FOR ANY' ADODOtW. COSTS WHWFH MAY RESULT FROM UNAUTHORIZED) DEMATONS FROM TIME CONTRACT DOCUMENTS. 7. CONTRACTOR SHAL PROTECT ALL COSTING AND INSTALLED PIPING, EQUIPMENT, AND STRUCTURES DURING CONSTRUCTION NOT NOTED TO BE REMOVED, ALL DAMAGED EELS SNAIL BE RE'AIRFD OR REPINED WITH NO ADDITIONAL COST TO THE OWNS. S ALL APPLHTABLE FEDERN. STATE AND LOLL LAYS AND ORDENANCts SHAD ff AOMRRm TO 1HDOLMaHHOIJf THE CONSTRUCTION PROJECT. B. STANDARD DELLS ARE WIENOED TO SHOW GEIIEINL DESIGN CONCEPTS REFER TO THE SPECIFIC STRUCTURE ORWINOS FOR DIMENSIONS AND S@5. 10. WHERE NOT SPECPCALLy SMOAN ON TIME DRAWINGS. IT 6 MENDED THAT ALL AREAS BE GRADED TO SLOPE AWAY FROM BUILDINGS AND SI WWRIES (EXCEPT DR WAGE RFtF]VING SIIdIDURR) UMIES OTHERWISE NOTED ON TE ORAW DL SPECtFIG710N5. 11. SEME OF FITTWCS AND VALVES SWILL CORRESPOND TO THE sac OF ADJACENT PIPING. JIGS AND TOTTING MATERIAL SHILL K AS SHOWN FOR ADJACENT PIPING. 12 PROVIDE PROPER PLUMS, CAPS AND RESITWNTS WHEN ANY PIPNG 6 TERN' 10. . 1101 AS TURM. GASTE EPIONE. FIBEROPIO, &UMTRD CABLE IV. AND PPE LINTS ARE LNIANOWN. CDNTRACTIt AWL CONTACT GOPHER STATE ONE. CALL AT (IOU) 252 -MITI BEFORE COMMENCER; ANY IXGVAION to TE 2COO EATON OF THE MINNEWTA DEPARTMENT OF TP.VSPORTATON STANDARD, SPECIFICATIONS FOR CONsnwnoN' SHALL GOVERN EXCEPT AS MODIFIED BY THE SPECIFICATIONS FOR THIS PROJECT. 1S. AL- SUB MERGED ANCHOR BOLTS. NUR, FASTENERS. ETC. TA SLL BE 30A STAINLESS STEEL UNLESS OTHERWISE NOTED . 16. ALLHMINUY SURFACES W CONTACT WITH CONCRETE SHALL RECEIVE TWO COATS OF BIIUINRO OR ZINC CHROMATE 17. SOME ITEMS HAVE ROTATED INTO THE PLANE OF PROUECTIOH ON TYRGL SO)ONS FOR CLARTTY. c • MINNETONKA MIDDLE SCHOOL WEST I.S.D. 276 hoe / J � yew. io I.w DS Zj It (9)3 -0 `� �i2 / \ f E;/ l (L 72 "RVC 'DS 1 K�1��.aS2.1V� �2PPROX }� inc" \ RtM =10.41. c �I INV 10357 E _ —7122 � A INVc1036.8 S N� I =� 2 x_72 " CL AY ^_ ✓� maw P D �Z Ji 00 RIM = 1041.4 II fz z 6 INV= 1038.7 NW) V �? F i INV-10 5.3 \ / � INV= 1038.2 NE), . ` \\ \ \ \ INV= 1038.0 E /S)I INV= 1037.9 W)/ « 12 "RCP �i E T034.94 ,\ �� \� — � — - — — 4Ny -1032. E \�, ��� `� RIM- 1042.80 \ NtU �PJ7 '. ,; j ��\ tNV:1038.5((N \ �`� �\ ��\ \ IN V 013 4(F� / RIM -1044. �. NV 103J 9 W) INP 1038.7 N / INV= 1038. W� , �`- R 'ter - i1 \ _. �� MINNEfONKA MIDDLE SCHOOL WEST / /'l(/ /fir / /j•� LS.D.276 `'� .wr io ew U ' lr coNSrnucnoN uMrts (1m.) L STORM WATER POND /Y I : I / aono ounEr rA � A 2 1 8" � I NWL - 1035.50 / 100 YR - 103839 r RIP RAP / '! / v l / / // / / / , SfRUCNRE 102 t\ ( \ SANITARY 10 YR - 1036.69 35.5 \� \ I MANHOLES / 2 YR - 1035.66 WV-1033.5(E) \ _ ii2 , STRUCRE 100 + { 3 5" 2' : i � IJ INV 1013.0 � � Ts.' ,^ �ceMH �� INV 103o2(W) .- ,030.2(S) $ x BOTr6M POND -10345 CBMH 106 POF -10 rrv TC- 1041.4 I IMr- 1 o3s.o(E) - 1o38.7(NW) INV- 1036.2(1E) /INV- 103z1(S) 0 // j CBMH 105 TC -10420 \ \ 1035 ,'�_ TC -10428 / \• r { / �� /�� / /„ INV- 1039 0 \ \ ,\ INV- 103.4(N) INV- 1035.4(E) FES 104 x INV- 1036.3(NW) 1040 \INV\ 1035.5 / / /! / /,� �\ •.. \� � r //. �� f / \ ti5 10425 Towoi — /t COLUMN: 1042 043 / 3.i/ CONIFEROUS 1 — A1:17CH�'� —. 12 J c_ EE (ttPJ G % E7fISHN X10425 -�� W423- - PAVEMENT \ / Tu�oFivNi io4za Av V v 1042f3 / BOTTOM OF WALL-1038.90, \ I \ \ �— — — %�MIIY' us DR V�SVAV i �/ oils \ \ WATER TOWFx- DRIPUNE TOP of wALL'1038 RETNNINC WALLS --k .o \ ; \� - — — - / .BOTTOM OF WALL 1034.0 \ \ % // \ \ \\ \ � � . \. �, � � - �,'- _ - ���� 2 ! `��\ j ,�'cf \f � = 1 ✓ �� vI "_ _ �� I , N o ao � 1 � LEGEND CATEGORY 2 EROS TON CONTROL BLANKET BIOROLL SILT FENCE GEOCELL NOTES: 1. RESTORE ALL DISTURBED AREAS WITHIN THE STATE HIGHWAY RIGHT —OF —WAY IMMEDIATELY UPON COMPLEBON OF UTILITY INSTALLATION. 2 RESTORE ALL OTHER DISTURBED AREAS WITHIN 14 DAYS OF FINISH GRADING. ®aB e�y W �e IkA 3� y � yy j �l� k VV yy }}, � P [� w W Z y U 5 0425 \ _ 1o42.5 10423 \ 0457 _DNPUNE \ 0423 � -� �..T�TOWER 1042ir 425'�/ MINNETONKA MIDDLE SCHOOL WEST I.S.D. 276 a r a a Hill 4 Ei A C3 � I N v� �w V i:% i MINNETDNKA MIDDLE SCHOOL WEST I.S.D. 276 ( OVERHEAD ELECTRIC TO BE ce. to r DIRECT BURIED BY bl}iFRS O / CUT AND CAP EXISTING s', WATER MAIN�� ly I / / / -� ( CONSTRUCTION LIMITS (TYP.) ' REM WATER MAN PIPE (238 LF) a - —L (12) CLEAR TREE) GRUB (1 i I Y 'T V. \` A REMOVE SANITARY SEWER CLEAR AND GR \ I PIPE (50 LF) (D.15 ACRE) ' � CLEAR AND GRUB (8 TREE) Al I y CLEAR AND GRUB (1 TREE) 28' MARY REwiovE swARY REMOVE SANITARY REMOVE SEWER STORM V � / SEWER PIPE (50 LF)_ \ r SEWER STRU_C'NRE \ -_ -- `/c__ - \,:G `, i \• V SEWER STRUCT REMOVE STORM SEWER / �¢�� - REMOVE STORM SEWER \� PIPE (51 LF) 7 V / / / .PIPE (28 LF) REMOVE STORM PIPE 178 SEWE . REMOVE SSTORRM SEWER \ \ \�\ BP VEYENI REMOVE STORM APRON (2) (1e0 SY) SEWER sRtUCLURE 1BUl1CHEAD EXISTING \ / / I( `. \ \ ` \ \\ \ STORM SEWER PIPE � 41 REMOVE STORM SEWER SfRUCNRE — f WE STORM \ � ^� REMOVE STORM SEWER � — — — — -C \ \ t \ SEWER PIPE (B4 LF) \ I �; \ \ "-.. PIPE (122 LF) p �\ '\UJJ SAWCUT BIHJMINOUS PAVElIENf� DEPTH (210 LF) OVERHEAD ELECTRIC 70 BE - ' � A\ V - DIRECT BURIED BY OTHERS r CLEAR - ARD GRUB �\ \ ' f 1 --r 7-- x� i%�5��•-- -��, `. r �g (o.o� 1050; 11050 � / � 22 , :� 1045— f T TC- 1042.00 1040 to / 1040 t - PR ADING - PON t caAaNc TC- 1035.50 10351 / 10 1035 CONSTRUCTION OVER PROPOSED UNITS (1YP) li STORM SEWER �i V 10301 1030 J / / ! / / �'1 �/ / ! �� CONNECT SEWER y ENERGY DISSIPATOR / I // / , STRUCNRE 100 I \ 1o13.oD 1025 4 °� u 1 1025 h� �I / ceMH 1 SAN MH , / o CLA55 2 - I TC 1042.00 01 ' \ \ \ 10 B (N) �� 38 LP 14 HDPE RIP wP NV- lo3o.ls(w) / AI y��� 10201 a 1020 \� \ INN 1036.56(SE) __ -. -�_ ; �_. —.__ O S50x ___ - -- �� /, INN 1o3o.za(ES) !( /'�� • t / 97 LF 14 HDPE /' - 38 LF 14' HDPE IB.00% O 5.50% / ; 1015: / 1 1015 12' WATER MNN /�� TCr1013.00 12 TEE � ' taklz m Rua ' / u w4 � v A 70 LF 12 M SDR 3s 1010 � � Aron 1010 1e o o.ee% „ y 1005 ;1005 \, \ POND OURET _ _ _ STRUCTURE 102 d TC- 1035.50 1 2 ` �INV- 1o3z.2s(w)� 3 - 1'. : INN- 1033.50(E) B PERFORATED HDPE TC TC- 10505300 `�O 0.1 %, BEDDED ON 'INN- 103712(NW)� _ l i t INN- ,03722 11 TRITION MEDIA (SEES LI (� ML I 18 45` BEND �� DETAIL SHEET.) CONNECT TO EX. /� / I �' I ♦ BOX ♦ �: - SANRARY SEWER , \ ' 96NNECT TO E%. STORM SEWER (3) CEIMH _ v V A TC-1 108 TC- 1041.40 �INV- IG37.05(S) _CB lo3 ` \ INV- 1038.20(NE) n i— 1 B.00% TC- 104 \ INN- 1036.70(N� o ao o a.00x '`1e a• � � r _ INN- ,o3e.DO ` � �� \\ . •cLrss 3 i .m. ,o ra I _ 18' BV k BO% RAP , ` ��y RIP 56 LF 14' HDPE BEND 1 O 1.22% FES 104 7 111111111 NV- 1035.50 / �, �' 1 1 •--_ 18' PL X55 LF \ ` V `� O 24 HDPE 1.40% CONNECT TO IX. STORM SEINER 18'x8• TEE 6 GV k BO% ' \\ TOWER TER - -- — J 7-7 COLUMN CONNECT TO / \ \�'.\ 92 \ \ '� _ l CaMH 105 TC- 1042.80 / '4' _INV- ,036.27(NW)_ i �/ �7 LF 6' DIP .INN- 1038.40(E) = \ WATER TOWER 'BODUINWS_ - _ 4F, ORNEWAY 6' GV & BOX. `DRIPUNE _ _ ✓ l / \ , "i /ANO 1iVDRA _ IX BITUMINOUS DRIVEWAY 2 OUTLET STRUCTURE DETAIL C800 NT$ ENGINEEREDSOIL WELL BLENDED MIXTURE (BY VOLUME(: 70% SAND MEETING MN /DOT 3149.21 "NNE FILTER AGG.' 25% ORGANIC LEAF COMPOST MEETING MN /DOT 3890.28 GRADE 2 5% SANDY LOAM TOPSOIL PERFORATED SUBSURFACE DRAIN INVERT 10335 UNDtSTURBED. UNCOMPACiED IN -SITU SOIL SCARIFY TO A MINIMUM DEPTH OF 17 PRIOR TO PLACEMENT OF ENGINEERED SOIL (INCIDENTAL) 8" DIAMETER PERFORATED SUBSURFACE DRAIN SEE DRAINAGE PLANS FOR LOCATION POND BOTTOM TYPICAL CROSS - SECTION caoo NTS 1BARk.ER IgIEa R� p RNa 2i1D) 4 aaarsa -vm. xe. 9 -s+sD r «. If °rM TAP D� . of Ue« �2 SNt «e b 1-- e s /4' w oM9a +AP IY l ei eaMatm�nL w . 5a Tyn 6850 Gram r Grv.� ^SOOt Al .9522 b Ng5p0 Na 60 M' Bo 0 .�e4 Na 6aS0 65" BigrSle -CrN. Ne V0516 1 60' B.tl.ny vmw Be. �iw .P all .twlr �iW. &Wt� Ie'x15'xe" Cwnte Meet © T BUTTERFLY VALVE ® ENRIEEIOIP. DEPARTMENT �.d 2109 ©nm' AND AND BOX INSTALLATION ® ENQMMUNG DEPARTMENT -- 1007 1BARk.ER IgIEa R� p RNa 2i1D) M µ F 0. A 1t C tG D µ BY'SwME GRLWCI$' as .P.ao5E0 Eau CAST. BLOCx. OR MN� M ND� CONE CORBFA CwEAE,E ApMSr xc auC M FxANE AxD STROC E — \ IDS) E.�mx.0 £A+5 AT — FIL 4 5 a REWUTE�D evn +E (NGx(Ea. xorz� rDR a sEU TD +- .BDM: rDP a Rwgs. CASIWG SNOJC a rW s " C . YCn x01 TO BE USED �IEx MIRE ME MORE MAN 5 MACS OR INKCS COxIRAC,OR SPALL IxSTALL TRf SEMIS. MEx D ry T F w —TICIx AT (gsz7 NO COBALT ME Ott zn -+9DD, CU m.:o k ©om © BARRIER ® ENRIEEIOIP. DEPARTMENT �.d 2109 8 _p "err. wEAR I(D BARKER —C' (IT SEE CEATNL CP 2109 APE .NJJSnNC ANN. RING$ $M L. BE SET I..BS - .AUNT OR APPROLED EWAI, CK CONCRETE IISER ARE IOT 1— MI. FILAR COURSE p CauR nip DEYNL iwCL �.WOLS I SELFR -LiIC MIE$ L coxa-'AUO uxoin ort .1 . 1A N. . °mHS AND YIP_ - :' " CCNCCRSEI 1. SEE DUTUp 2+Oq 2Y CILINMC° CIX:WEI xene BIT. BASE OR .1— —1. ADJ. pETNL 1. P CONICIII —TIC PIGS IN- BE DEDDED A' +/II TO 1/2' T By IVE" INC. OA AP WED EW Pm —IT I—— Yklf I MANHOLE CASTING AND ® ADJUSTING DETAIL ENGINEEWNG DE—ENT " 2110 MINIMUM FEET OF RESTRAINED PIPE REQUIRED ON EACH SIDE OF BEND FOR DUCTILE IRON PIPE INCREASE MINIMUM LENGTHS BY THE FOLLOMNG AMOUNTS IF PIPE IS MAPPED IN POLYETHYLENE, 50% INCREASE ON ALL DEAD ENDS. 20% INCREASE ON ALL BENDS, ME i.B w.s DELELOPEC PRD. CPIEPA IOENnFiED o+ ME 19g2 ft DE 'MRUST RESTRA PIlE l E011 PCN I IRPI PIPE•. As mE A uB car�rn I sa E N. — '.. 00- (DPR.). ..1AAA - -1— - ID DIFFEREw1 — 0R LAIC RESTRAINED PIPE L REQUIREMENT FOR DIP ENGINEEM G DEPARTMENT -- 1011 I DpTFC. + o . blw xw q. bW4n9 wJ payq a u..q .. /� / ew+ w + C a e I. NtI D0T E e «r. pOa`.p9�e9atemn era..I . e a` l iw: ol.m:ld. A0p°0 le rR P. PIP° R� p RNa 2i1D) PIPE BEDDING .... m =a. P.1. 209) Y s+ i98iT"I Ie..aw.n m Ppe Okmel. b a.12 ^ - «. IN GOOD SOILS qo 1. e.UUE Di«Uy + i RCP & DIP - ENGMEiFAING DEPARTMENT .urt 11pi 2202 er x n, A P An m e. Nd I .+.. z: y m-'Kd —I I. tFF manna. m.:o W1� ©om © ©omo ©nm' alo © ®m ©om ® ©omm', a ©vmm ©v ® ® ©omm, ®loom000mmoomm m.iommm ©mmm ©mmm �lommmommmommm ME i.B w.s DELELOPEC PRD. CPIEPA IOENnFiED o+ ME 19g2 ft DE 'MRUST RESTRA PIlE l E011 PCN I IRPI PIPE•. As mE A uB car�rn I sa E N. — '.. 00- (DPR.). ..1AAA - -1— - ID DIFFEREw1 — 0R LAIC RESTRAINED PIPE L REQUIREMENT FOR DIP ENGINEEM G DEPARTMENT -- 1011 I DpTFC. + o . blw xw q. bW4n9 wJ payq a u..q .. /� / ew+ w + C a e I. NtI D0T E e «r. pOa`.p9�e9atemn era..I . e a` l iw: ol.m:ld. A0p°0 le rR P. PIP° R� p RNa 2i1D) PIPE BEDDING .... m =a. P.1. 209) Y s+ i98iT"I Ie..aw.n m Ppe Okmel. b a.12 ^ - «. IN GOOD SOILS qo 1. e.UUE Di«Uy + i RCP & DIP - ENGMEiFAING DEPARTMENT .urt 11pi 2202 1 a.. M P + 1. A . ae FnpO.. YI I reWRa. t. N. O.oN LnR A oen 11 II. NNOOi 3 �9.2H va�� o+ r � -1-1 enM M r —11- 1. v S Pe.e 9 . ° 3 /� aea� leas Uw 10 Omi 0 . 200 eMw. +00 �f PIPE BEDDING FOR P.V.C. PIPE ENGNEEDNG DEPARTMENT tad 2203 6 M € it �, �� W N g�a y3 aE- � 2 W OC 8 °13 U tl� b � s E n v7C7 R� p RNa 2i1D) .... m =a. P.1. 209) Y s+ i98iT"I Ie..aw.n m Ppe Okmel. b a.12 ^ - «. qo 1. e.UUE Di«Uy + i Z / mY SECTION VIEW •/ 1 l V s. rew.e u. rwt er x n, A P An m e. Nd I .+.. z: y m-'Kd —I I. tFF manna. ` w wNl e.) W1� STANDARD MANHOLE ENGNEEPoNG DEPARTMENT PM[ 2101 1 a.. M P + 1. A . ae FnpO.. YI I reWRa. t. N. O.oN LnR A oen 11 II. NNOOi 3 �9.2H va�� o+ r � -1-1 enM M r —11- 1. v S Pe.e 9 . ° 3 /� aea� leas Uw 10 Omi 0 . 200 eMw. +00 �f PIPE BEDDING FOR P.V.C. PIPE ENGNEEDNG DEPARTMENT tad 2203 6 M € it �, �� W N g�a y3 aE- � 2 W OC 8 °13 U tl� b � s E n v7C7 m7- vA e 1q xeenen nasty j - moa Pe uup el al I pm,v mum .eeRO.[P � L a ^ � - - �RIPRAP - B• B e Cmc. m �yf / eN « «ma.Ynvn �mSU= mw(ml wmr ]AxEa '° cm Ie r •-- — m Y PLAN ,i z REW e cr aEia e:a "Ar"a01I'EO �Q E ie o'. a -rsr wlwc s aw.m :r Tp 3a• a rp N c: u s u rtsa EoDE wFUI u ro e w ez cr ,.a l I EY s• ,•, SECTION A -A <ePia.ti. A :INe. T­ III 3 u„ If mau ' mP ' P • Q lo /lo mien. CATLHBASIN E DIA.1 DESIGN SPECIA L 2 L Rwxav awt Oeleln er m a ye to I/2 SEC TION o m e vwt IY Cro+ular r.,u (u xe1 IDOT SEO Ceo,mue 1— T_ III ITS TIE LAST ­EE AN. MTS UTAESB GII(AEISE NOTED IW THE RAN. J�GiMi ON E C. It. OY�r1E - vER RIVE AT 6C I— — — t 0E TIE —E. cuf TYPICAL 4' DIAMETER CATCH BASIN MANHOLE �t TYPICAL 27' DIAMETER CATCH BASIN �f RIP RAP DETAIL / 8TANd111D otTYH — MGNEFftlNG DEPARTMENT R1R 102 3102 FNCNFFAING DEPARTMENT tia[p 31 C3 ` tea ENGNEERNG D RTMEN EPAT NN[16 3107 SEH BuRBE Bm _ _ STN-18 R Aryma.ro Spar' loa+a.ror a _ I • v( b T. BE V WA . WEIR 0 BE EMDVEO EN STAB uz Two �AP�f wY Wrr(iy0 S1Li fIIKE. uAapxE ­()z 6 R. WL gPAON U6Gi* LL f�0 AT S CP -2 U—. I.. M tAYPED Bpl 0 IXBLL w ELryy SD hI�'y� Wne.e ease Be. A mole I+ paDena nla a;ree,an n ev. _ &T "IX IX 5� P s GE W WW ,fb LMGIN OTIIENI ORBf10W T FENCE PPGSSEY&ED� ANAOCE R V YoPE unx Prue C�Fy 6 "uIN pEPM E O � IO'ul10EPix POR OOOCxIPS �? �- �pM OY WATRE BI i WEIR RGGx k GABRIC wFIF SHINGLING 5G0 0 � P4Y� g �� � E T OG V D. �SLLi F � T FEIC 1C W� T° MINIMIZE RVA ? b'F rRdl 42 FILLER FABRIC GVARp P Fat er�YFxr ANABLE — °E F SIDE, mi xfAB pr rCS B YVES tlUOt+^M e?c «soa ,LPs O1LRLAPPING N OTE: To S FABRIC SIA nTPEV hACF RDER ROdt 0 STOP uVp uICR T'` Cd Utlgv / —� RNCE - IX e' 12 YNRFD m50E FES �xypE uoxoF F­ IH iE5 eea nI[ e0^xN p" p a0li^mm A t of a eP0 a .edacemmt sm .nxn oecwnea a age aue to b6 0l �f SILT �R ROCK CONSTRUCTION FLARED END SEDIMENT TRAP ���Q SOD FENCE ENTRANCE ROCK WEIR/WATTLE ROLL 1r PLACEMENT ENGNEERNG DFPANTMEM An 5300 we 1p ENGBIMING DEPARTMENT ° 5301 ENGNEERING DEPARTMENT " 5302F ENGINEEPoNG OLPARiMENT wi°E ° 5303 7 - BLACK HILLS SPRUCE 2:NORTHWOOD MAPLE i \ i; / -BLACK HILLS SPRUCE au SEE CIVIL FOR GRADING PLAN 35"// SEED MIXTURE 260 IN ALL OTHER 13 7 DISTURBED AREAS ON SITE; SEE I �CIVIL FOR GRADING LIMITS FENCE; SEE SIT BITUMINOUS ACCESS DR rVE; SEE CIVIL ot�lv NOT CUT LEADER I BY 1/6 (USING SHIGO METHOD) NOT CUT LEADER QUANTITY •Ip'fl ET R FLARE 1 -2" HIGHER SIZE ROOT SPACING 4 NORTHWOOD MAPLE ACER RUBRUM 'NORTHWOOD' THAN EXISTING GRADE e PER PLAN 16 PUNT ACCORDING TO PICEA GLAUCA DENSATA 6' 'BUILT -UP EARTH AROUND PIT e e TREE WRAP PLAN LNG DETAILS, AS AP CABLE BI fowl 5.5 'SHREDDED HAR MULCH 31.3 indmn ET ROOT FLARE 1 -2' HIGHER THAN EXISTING GRADE ON 1:2 SLOPES OR GREATER, DO NOT EXISTING GRADE CONSTRUCT THE UPHILL HALF OF THE 125 C T.m6: MULCH I (DO NOT PLACE MULCH N CONTACT 3X ROOT BALL =MIN. WIDTH OF las BUILT -UP EARTH AROUND PIT CUT AREA WATERING BASIN. Far: Camm.rcw w I Arty accepted low maintn Ktm wkY BWegmxs EXCEPT V W/ TREE TRUNK PREPARED SOIL FOR TREES Roo 4 SHREDDED HARDWAOOD MULCH (DO NOT PLACE MULCH IN CONTACT W/ TREE TRUNK Wima Wham• 3X ROOT BALL -MIN. IDTH OF PREPARED SOIL FO TREES 56.0 FlNISH GRADE RytVm ­W 123 FINISH GRADE NOT CONSTRUCT WATERING BASIN -y�r. 3.1 CANTING SOIL (SEE SPEC) '�, J �o+ '� y S+s,q. s ri'� 3 :.. Y PLANTING SOIL (SEE SPEC) 7O 'dws ISTINC NON - COMPACTED ISTINC NON - COMPACTED SUBGRADE %ormis Cm NBlkweed marsh 0.33 0.3 15.0 Pnsie tiara SUBGRADE 0.3 0.0 Tic4nfoD .law 0.33 0.3 15.0 SmrRowa -ly 0.33 0.3 15.0 Black •ed Susan 0. 5 0.5 25.0 are' 1. a$r <' 157 IG WIDE, SHALLOW PIT AND TAPER SIDES 24 24 IG WIDE, SHALLOW PIT AND TAPER SIDES ALA: 80.0 1 0 2>oisw be auMtituted far ' UT TOP OF WIRE BASKET SET RO N T BOOM N FIRM rwf-NoTfx amslw waralydaa D SET ROOT BOLL ON FIRM AND FOLD AWAY FROM FOID F WIRE R00T BALL PAD IN BOTTOM OF PIT ROOT BALL LD AWAY BURLAP LD AWAY BURLAP TREE PLANTING 21 TREE PLANTING 3 TREE PLANTING ON STEEP SLOPES �NO SCALE Lz NO SCALE L2 NO SCALE PLANT SCHEDULE PLANTING NOTES QUANTITY COMMON NAME SCIENTIFIC NAME SIZE ROOT SPACING 4 NORTHWOOD MAPLE ACER RUBRUM 'NORTHWOOD' 2 -1/2" B &B PER PLAN 16 BLACK HILLS SPRUCE PICEA GLAUCA DENSATA 6' B &B PER PLAN 1. CONTRACTOR TO VERIFY PLANTS REQUIRED AS REFLECTED ON PLAN. 2. CONTRACTOR IS RESPONSIBLE FOR ON -GOING MAINTENANCE OF ALL NEWLY INSTALLED MATERIALS UNTIL TIME OF OWNER ACCEPTANCE. ANY ACTS OF VANDALISM OR DAMAGE WHICH MAY OCCUR PRIOR TO OWNER ACCEPTANCE SHALL BE THE GRASS SEED MIXES RESPONSIBILITY OF THE CONTRACTOR. a3 c-Nams Pulta. laffiA IYas %of Com Bhlmtw h' 2.2 2 12.5 mmmaial 22 2 12.5 WE, V, 44 4 25.0 30 1.1 I 3 BI fowl 5.5 5 31.3 indmn 2.2 2 125 C T.m6: 17.6 160 las Far: Camm.rcw w I Arty accepted low maintn Ktm wkY BWegmxs EXCEPT Commr Naas. Bdh Roo %4fM1a com Wima Wham• 61.6 56.0 80.0 RytVm ­W 123 11.2 16.0 dada 3.1 2.8 4.0 Cw.r T.Wc n 7O 'dws Cmman Nmo BWt RW WI.. %ormis Cm NBlkweed marsh 0.33 0.3 15.0 Pnsie tiara 0.33 0.3 0.0 Tic4nfoD .law 0.33 0.3 15.0 SmrRowa -ly 0.33 0.3 15.0 Black •ed Susan 0. 5 0.5 25.0 are' 1. 0.34 0.3 157 EmwwForbs Taafx 24 24 IOU ALA: f6.0 80.0 1 0 2>oisw be auMtituted far ' pwatum rwf-NoTfx amslw waralydaa l�dk brt�K Taff kAfik MM..: 260 Common Name &A R.I. %of Alta Campenen wm lww BWegT K-ky "Certified Pmk" 35.8 32 32.0 Bluegrass, Careda 11.2 10 10.0 Bloeg -A. K.9_a y- Low M.ink Tranar 33.6 30 30.0 Fesale, herd 9.0 B 1 8.0 Rye•gnm, pe 1.l 224 20-00 GRANDTOTALS: 112 tOD 100.0 Far: Camm.rcw w I Arty accepted low maintn Ktm wkY BWegmxs EXCEPT PRIOR APPROVAL IS REQUESTED OF THE LANDSCAPE ARCHITECT BY THE LANDSCAPE CONTRACTOR PRIOR TO THE SUBMISSION OF A BID AND /OR QUOTATION. 5. CONTRACTOR SHALL VISIT AND INSPECT SITE TO BECOME FAMILIAR WITH EXISTING CONDITIONS RELATING TO THE NATURE AND SCOPE OF WORK PRIOR TO SUMBITTING BID. 6. MULCH SHALL BE INCIDENTAL TO PLANTING TREES. 7. ALL SEEDED AREAS SHALL RECIEVE 6" DEPTH OF TOPSOIL. 3} P R� 2� SPECFIFATK RETFAENCf RISER PPE - 16' 33 16 25 SLT s10P m 16 25 PPE 1611LATDN WAIN ANYIIAY &zNET 33 16 60 R@LL ASSOIBLY 3316 25 J/PS HOPE / W fEIDFAYWI - TRANWON 16' HOPE 33 11 W TO 16' oP sAETY AND ArK3se 51 HA1 L - W ixAaauI 33 16 26 AB/P5 DB6ti5 Of OVVnOW PIPE - 12' NINMW 3310 25 D2 OVmNDW KENO WITH N R SORmN W 16 25 OVERFLOW WOR BOX 3316 25 TALK BOWL ORW 33 16 25 F/P5 G1 WELDED Mn TANG BOWL 33 16 23 O2 REIIFOMED WNcRErE PEDESTAL 33 16 26 3' I T MICRON POMMEL DOOR 06 11 13 Ho VFIIDIE DOOR - 10' WIDE X 12' NON 06 33 00 oosnmxTDN LIONT 33 44 20 WOFLOW GTO1 BASIN 01610 0 /C2 CONCRETE TANK BOWL Fl WTR1 STEEL LWER 33190 EKKNJST K WTIH PIIESSURE/VACIIUN VETO - 24' 33 16 26 AGI'FSs TUBE 1x1011 TWI11 vENT - 30' 33 16 25 C/PS w 16 26 LADDER WRH BK -T -CWB 3316 26 HOPE TO 1Y DP WALIMY - 4' WOE 33 16 25 G10 a ACcE TUBE UOOOI W w- T-CIJ16f w 18 26 Now NATCI1 - 30' 3T 16 ?S KO 31 20 TNIN BOWL ACLt56 {HOER 33 16 26 SEE SiPET PS FOR SOL NNPROVFNFTOs ACCESS TUBE - YINIUM 5' DWETER 33 16 25 510 oaERx R PANIFRs PAL ( wm.) 33 16 m 511 KI ERDR PAINTERS; m PALS pm) 3316 25 512 TANK BOWL ACCESS xNRDLE - 30' 3316 25 513 PAINTERS IMTCHAW - 30' YINW W 33 16 25 DB6ti5 Of OVVnOW PIPE - 12' NINMW 3310 25 D2 OVmNDW KENO WITH N R SORmN W 16 25 OVERFLOW WOR BOX 3316 25 TALK BOWL ORW 33 16 25 F/P5 G1 WELDED Mn TANG BOWL 33 16 23 O2 REIIFOMED WNcRErE PEDESTAL 33 16 26 3' I T MICRON POMMEL DOOR 06 11 13 Ho VFIIDIE DOOR - 10' WIDE X 12' NON 06 33 00 oosnmxTDN LIONT 33 44 20 WOFLOW GTO1 BASIN 01610 0 /C2 CONCRETE TANK BOWL Fl WTR1 STEEL LWER 33190 GENERAL NOTES I. 5011E DEALS 1xVE BEEN ROTATED INTO THE BANE OF PROJW7ION FOR CLARITY. �r ROOF /BOWL ORIENTATION PLAN l� UPPER TOWER ORIENTATION PLAN Iv N LU W LK IVWLK UKItN1A11UN MAN 6' TNicN COKCREfE RDOR sLopm TO DOOR 03 3130 ROPE / W FEfDfAYNII - TRANSITION 16' w 16 26 1K/P5 HOPE TO 1Y DP G10 co11CROE RING KAY 33 1s 25 clt CONCROE FOUNDATION KO 31 20 G12 SEE SiPET PS FOR SOL NNPROVFNFTOs Gf3 UPPER Lm FLDON 33 16 20 SKEET P3 G14 PROYBoK EUR sEco D FLOM 33 16 20 SKEET P3 GENERAL NOTES I. 5011E DEALS 1xVE BEEN ROTATED INTO THE BANE OF PROJW7ION FOR CLARITY. �r ROOF /BOWL ORIENTATION PLAN l� UPPER TOWER ORIENTATION PLAN Iv N LU W LK IVWLK UKItN1A11UN MAN 3q R I A S I w�\ ROOF /BOWL ORIENTATION PLAN Awl\ BOWL/PILLAR ORIENTATION PLAN IY PILLAR ORIENTATION PLAN Iv sAmr .x0 .mFss 51 E,DWA ST HATCH WITH PRESSUBE/VXUUN VENT - 2P m M 20 �ds HANDRAIL. 33160 AA/PS 53 PAIMEts RAIL HATCH - 30' 33 20 st TANK BOWL MANHOLE - 30' M 16 20 55 TANK ACCESS LADDER 33 16 20 56 WALXWAY - 4' WOE AT AO' MAX SPACING 33 18 20 31NkS.18Et�11310M SPE OXATICH ��*+� 2ML wt sLT slap m 16 20 59 R6ER PIPE - 16' w 16 20 E PIPE NSIRATION WITH AIDMNUM JAOQT 33 10 WO Wa RISER ASSEMBLY 33 16 20 J/P5 E HOPE / PIP FFIDauivN - 1RAl9DON Ir mcPE 33 11 00 E TD le DP 33 16 0 sAmr .x0 .mFss 51 E,DWA ST HATCH WITH PRESSUBE/VXUUN VENT - 2P m M 20 �ds HANDRAIL. 33160 AA/PS 53 PAIMEts RAIL HATCH - 30' 33 20 st TANK BOWL MANHOLE - 30' M 16 20 55 TANK ACCESS LADDER 33 16 20 56 WALXWAY - 4' WOE AT AO' MAX SPACING 33 18 20 CBM55 D1 OVERFLOW WER BO% 33 16 20 D2 OVERFLOW PIPE 33 16 20 TAW( DP.VN - e m 18 20 E/P5 CONDENSATE COUND 33 16 20 SHEET P3 OVERROW BEND WON IC SS SCREEN 33 16 20 0 /C2 AMU& Gi WELDED STEEL TAW( BOWL 33 16 20 G2 bO FOUNDATION/PILLAR TYPICAL SECTION 03 31 20 SNRT P3 GS VFSIICLE DOOR - 10' WIDE 2 12' HIGH 05 33 DO 3' IE 2' PERSONNEL DOOR o il 13 6 MCI( CONCRETE FLOOR SLOPED TO OVERHEAD DOOR 03 31 30 GB WNOWAL FOUNDATION 03 31 20 G) 5023. p— COLUMN 33 IB 20 G8 OVERFD CATCH BASIN 33 K 20 D /C2 El s SEE SHEET P3 FOR SOL YIPROVE]IENIS G10 UPPER LEVEL FLOOR 33 16 20 SHEET P3 Gl l PRO ISION FOR SODOM FLOOR w 16 2C $FEET P3 GENERAL NOTES 1. SOME OEAS HAVE BEEN ROTATED INTO THE PLANE OF PROJECTION FOR CLARITY. OFFSET LADDER WON SAF -T-2YB (TYPICAL) m 16 20 ACCESS FUSE HATCH MTM VENT - 30' 3316 20 C/P5 59 ROOF IIATCII - 30' 33 16 20 E ACCESS TU BE LADDER S3 16 20 E ACCESS TUBE - MNMVM 5' DNMETER 33 16 20 E M13bGR PAGERS ML (TVWAJ 33 l6 20 E COWMN VENT 33 16 0 51A MEROR PAINTER'S RAILS (TYPICAL OF 2) 3316 20 E OBSTRUCTION LIOHT 33 16 20 518 PAINTER'S MTCII/VENT - 30' MINIMUM 3316 20 CBM55 D1 OVERFLOW WER BO% 33 16 20 D2 OVERFLOW PIPE 33 16 20 TAW( DP.VN - e m 18 20 E/P5 CONDENSATE COUND 33 16 20 SHEET P3 OVERROW BEND WON IC SS SCREEN 33 16 20 0 /C2 AMU& Gi WELDED STEEL TAW( BOWL 33 16 20 G2 bO FOUNDATION/PILLAR TYPICAL SECTION 03 31 20 SNRT P3 GS VFSIICLE DOOR - 10' WIDE 2 12' HIGH 05 33 DO 3' IE 2' PERSONNEL DOOR o il 13 6 MCI( CONCRETE FLOOR SLOPED TO OVERHEAD DOOR 03 31 30 GB WNOWAL FOUNDATION 03 31 20 G) 5023. p— COLUMN 33 IB 20 G8 OVERFD CATCH BASIN 33 K 20 D /C2 El s SEE SHEET P3 FOR SOL YIPROVE]IENIS G10 UPPER LEVEL FLOOR 33 16 20 SHEET P3 Gl l PRO ISION FOR SODOM FLOOR w 16 2C $FEET P3 GENERAL NOTES 1. SOME OEAS HAVE BEEN ROTATED INTO THE PLANE OF PROJECTION FOR CLARITY. 3 >t • I b� _ A S 8 IT KEYNOTES: qq i Ol TARN POLAR CGOMN RF Ci I p OVERFLOW PPE / _ 8 OS 13' ft@R PIPE WITH INSIAARON AND AWYNIM JACKET W 3 © 3' SON 30 PVC CONDENSATE C&UNG DRAIN LINE 4 SUPPORTED AT 3' ON CENTER H Q 10' WOE , 12• NIGH VEHICLE ACCESS DOOR O 3' CONCRETE FLOOR SLOPED TO VEHICLE DOOR O 1/4 /FOOT ; e O7 NSER ASSOBLY - SEE DETAIL J /PS © 11' NCP CL V STORM SEWER (SEE SITE PLAN) S 1B' HOPE WATER MAIN (SEE SITE PLAN)yi k Y CONDENSATE WAN OUREf MIIHI SCREEN 11 OVERFLOW CHALET WITH /4 STAINLESS STEEL SCREEN O OVERFLOW CATCH BASIN - SEE DETAIL D /CG 13 TINOWAIL FOUNBATION - SEE DETAIL N/P5 QS B E 14 5' , 5• DOUBLE LEAF ALUMINUM MATCH WITH CHAIN - GUARDS ON BOTH SIDES 15 NARK SACXFRL MATERIAL MEETING THE REWRFMENTS OF MADOT (314818) SEIFLT GTANLNIR BORROW 4 16 CONDENSATE CLILNG Z 1© ACCESS LADDER WITH REST PLATFORMS AND UDDER EV OFFSETS AT 40• MAXTMUM WITH SAF -T -CLIMB 1B Y , 7' EXTERIOR R7150NHE. DOOR F 3 1B CONTACTED NATIVE BAGOLLL MATERIAL (TYPICAL) o ® LIPPER LEVEL FLOOR 8 Z 21 WSFALED FLOOR SLEEVE THROUGH UPPER LEVEL p Z EL 1080.50 FLOOR (TTPIC.IL) - SEE DETAIL M/PS p 3 .. UPPER LEVEL FLOORS ® ZONE OF SOL WPIH0A4NEMT. OEFP FOUNDATION (SEE n } SPECIRCATNRIS) C t ' ® 10 HIM LADDER SECUPOY PANEL WITH IOTK HASP 6 B 8 M 11 O EL 10425 a Aa.- -• FLOOR HIGH POW }� O XNiX POW 3 " Pt , 0 NOTE SEOQN / /, /,, .,.. � .,...�.... 1. SOME REVS XAK BEE7L RRATED WTHE SECIgN FOR CWH 7 P3 EL OIXJIX 3� 9f y\ LOGO ORIENTATION PLAN E X0 U W N �E3 C a P� R ITF'IGAL LUVATION (m11E aw mw mm Rmaw wo THE PLWE OP PRwwrioN FM GWWI) ECH SGGARE - TMO (2) FW LOGO ORIENTATION DEVELOPMENT rsrx " x�tFS• 1. CGNBYCfOR V L VMN LEnMG SME, CMM ANO MF AMW M OATFR ANG FNGNFFR MM TO PAK" 2 pNFNSI0N5 MW ARE B WON A BOAT amETEA M W a 0 z o z 00 � Q t a a W A ��O P4 3§ R 19 'TARP RAL TO POSE FlF1D WELD PERMITTED L1 1/3 A 11/3 s 1/4 FAILING (TYP) WELD A3e SHIMS TO HANDRAIL POST EASE PLATE AS REQUIRED IF EAASE PLATE IS LOCATED AT ROOF PLATE LAP HANDRA . 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FI+EID SIR mt AGE $I+BPANEL ptllll EN611ME IOKS. 5 SER M flTIONEM NAIEy �Y Al , - IV ?y 4% 4, n bat GROUND FLOOR PROPC+9D taMllDla N m�aauA�MIwIO1a fx ordw 4 TELEC0INIUNIGTiONS FLOOR PC DATE: June 21, 2011 1 CC DATE: July 11, 2011 REVIEW DEADLINE: July 19, 2011 CASE #: 11 -05 BY: AF, RG, JM, ML, JS PROPOSED MOTION: "The Chanhassen Planning Commission recommends that City Council approve the Site Plan for a water tower located at Minnetonka Middle School West, plans prepared by SEH dated February 22, 2011, subject to the conditions of the staff report; and adoption of the findings of fact and recommendation." SUMMARY OF REQUEST: The developer is requesting Site Plan Review for construction of a water tower. LOCATION: 6421 Hazeltine Boulevard (Minnetonka Middle School West site) APPLICANT: City of Chanhassen Independent School District #276 7700 Market Blvd. 5621 County Road 101 Chanhassen, MN 55317 Minnetonka, MN 55345 (952) 227 -1169 (952) 401 -5024 poehme&ci.chanhassen.mn.us PRESENT ZONING: 2020 LAND USE PLAN ACREAGE: 30.7 acres OI, Office Institutional Public /Semi - Public LEVEL OF CITY DISCRETION IN DECISION - MAKING: The City's discretion in approving or denying a site plan is limited to whether or not the proposed project complies with Zoning Ordinance requirements. If it meets these standards, the City must then approve the site plan. This is a quasi-judicial decision. PROPOSAL /SUMMARY The City of Chanhassen is requesting site plan approval to construct a 750,000 gallon water tower on the Minnetonka Middle School West site. Utility services are a permitted use on the site. The water tower will be located in the extreme southwest corner of the property between the school building and the south and west property lines. To the south of the tower are single - family homes. West of the tower is the right -of -way for Highway 41. The proposed water tower provides the storage capacity needed within the high- pressure zone in the City. CITY OF CHANHASSEN Planning Commission Water Tower Site Plan — Planning Case 2011 -05 June 21, 2011 Page 2of8 This site was evaluated along with five other locations for the high zone water tower and was determined to be the best location. In November 2008, the city completed an update to the Comprehensive Water Plan. As part of the plan, a storage analysis was performed that recommended additional storage be constructed in the existing high service zone. The high zone water area has seen significant growth in recent years, which has driven the need for additional storage capacity. The city has two main pressure zones. The low zone area services about 88% of the current city demand. Two water towers service this area along with the east water treatment plant. The high zone area is serviced by two wells and a 200,000 Melody Hill Tank located next to Minnetonka Middle School West. The tower was constructed in 1971. The population of Chanhassen in 1970 was 4,875. Today the population of Chanhassen is 22,952. The high zone is mainly in a residential service area which has seen significant growth in the past 15 years. Currently, the demand in the high zone area can be as little as 100,000 gallons a day during the winter months and as much as 1,800,000 during peak summer time usage (2007). Since the high zone does not have much storage capacity, during high demand periods the tank cycles continuously, which causes many problems. The high cycling causes condensation to form on the tank which accelerates tank corrosion. The continuous cycling also puts additional stress on pumps and motors needed to supply the tower and is a very inefficient way to supply water. Also, the undersized storage facility leaves little time for utility staff to respond to power outages and start auxiliary power generation. In addition, the tank at this time is undersized for fire flow design. One of the most critical roles that a water distribution system provides, especially in urban areas, is fire protection. The Insurance Services Office (ISO) provides a score for municipalities based on their ability to meet industry standards for required fire flow based on building size, occupancy class, construction type, etc. Lower scores indicate better ability of systems to suppress fires and typically result in lower insurance rates for commercial and industrial property. The standard required available fire flow that ISO has is 3,500 gpm for 3 hours. Since this is mostly a residential area and all the commercial buildings are sprinkled, the fire marshal recommends using a 2,750 gpm for two -hour fire flow. Water storage capacity should be adequate to sustain normal system demands as well as fire protection operations. The existing Melody Hill Tank is not capable of providing 2,750 gpm as recommended. In addition, the amount of storage required to provide two hours of 2,750 gpm of available fire flow for full build -out is shown to be approximately 725,000 gallons. This volume gives the city capacity to supply a 2,750 gpm fire flow rate for two hours while concurrently meeting projected maximum day demands on the system. The standard tank size for this demand is 750,000 gallons. Staff is recommending approval of the site plan for a 750,000 gallon water tower subject to the conditions of this report. Planning Commission Water Tower Site Plan — Planning Case 2011 -05 June 21, 2011 Page 3 of 8 APPLICABLE REGUATIONS Chapter 20, Article II, Division 6, Site Plan Review Chapter 20, Article XXI, "OI" Office and Institutional District BACKGROUND On January 24, 2011, the Chanhassen City Council approved an interim use permit to permit site grading for the tennis courts at Minnetonka Middle School West (Planning Case #2011 -01). On February 27, 2006, the Chanhassen City Council approved Interim Use Permit #2006 -03 to permit the grading of approximately 3,400 cubic yards for an infiltration basin and drainage swales to reduce downstream erosion and sedimentation along Highway 41 (Planning Case #2006 -03). On June 9, 2003, the Chanhassen City Council approved Interim Use Permit #2003 -02 to permit grading in excess of 1,000 cubic yards to install a storm water pond and reconfigure the bus circulation route and parking area on the north side of the school. GENERAL SITE PLAN /ARCHITECTURE The height of the 750,000 gallon water tower is approximately 170 feet to the very top of the tower. Besides the tower, site improvements include a bituminous driveway and fencing around tank; grading of the site to raise the location of the proposed tower to reduce the height of the tower; relocation of the storm water retention pond; relocation of storm water piping/outlet structure; relocation of water service to the school building; relocation of approximately 500 feet of overhead power lines; and installation 200 feet of 16 -inch water main to TH 41. The tank bowl will be a steel shell painted sky blue to minimize the visual impact of the structure with the green Chanhassen Maple Leaf. The tank diameter is 60 feet. The pedestal will either be a steel shell painted sky blue or a composite concrete material that will be stamped with architectural patterns to mimic blocks or brick. The pedestal diameter shall be 28 -32 feet. LIGHTING /SIGNAGE Lighting shall be limited to requirements of the Federal Aviation Administration and a single light above the overhead door. The light fixture shall have a 90- degree cut -off angle and be shielded from off -site view. The only signage on the water tower will be the Chanhassen Maple Leaf Planning Commission Water Tower Site Plan — Planning Case 2011 -05 June 21, 2011 Page 4 of 8 ACCESS Access to the proposed water tower will be by the existing middle school access on the east side of Highway 41. A 12 -foot wide driveway is proposed from the southwest side of the existing pavement. EROSION CONTROL 1. If the total disturbance exceeds one (1) acre in area, an NPDES General Stormwater Permit for Construction Activities will be needed from the MPCA. 2. If an NPDES Permit is needed, a Storm Water Pollution Prevention Plan (SWPPP) will need to be prepared and submitted for review and the conditions of the permit must be met. 3. The outlet to the right -of -way for Minnesota Trunk Highway 41 will need to be stabilized immediately upon connection. 4. The pond must be protected from sedimentation to the greatest extent practicable during construction and all sediment deposited during construction must be removed to return the pond to the design conditions. A record drawing shall be prepared showing this condition has been met. 5. The plan must address the comments from the Carver County SWCD. STORM WATER MANAGEMENT 1. The proposed conditions will result in a decrease in runoff rate for the 2, 10 and 100 -year events and an increase in total phosphorus and suspended solids removal. 2. The underdrain bedding material shall be washed river rock wrapped in a high -flow filter fabric. 3. According to the Carver County Soil Survey and double ring infiltrometer tests performed by the School District, this site may well be conducive to infiltration. To this end an additional hold down should be constructed below the underdrain such that the feature is a filtration/partial recharge feature as described in the Minnesota Stormwater Manual. 4. Eliminate CBMH 109 and bulkhead the outlet from the upstream structure to the west. Move CBMH 107 to the east into the location of the existing manhole. Replace this structure as needed and outlet to the pond. The end result will be a single outlet point into the first cell near the pinch point of the 1035 -foot contour. GRADING Based on the consultant's calculations, over 5,000 cubic yards of loose material will be cut from the site, with almost 2,900 cubic yards of loose material being filled within the site. Excess Planning Commission Water Tower Site Plan — Planning Case 2011 -05 June 21, 2011 Page 5 of 8 material will be removed from the site. Haul routes must be established for the trucking of material off the site. A tiered retaining wall system is proposed on the west side of the proposed tower. A building permit is required for the retaining walls since they will be at least four feet high. The retaining walls must be designed by an engineer registered in the State of Minnesota. The following additional information must be shown on the grading plan: `M G.. / a) Show the top and bottom of wall elevations. b) Provide more spot elevations along the driveway and the area to the north of the driveway, ensuring that minimum I% grade is achieved on paved surfaces and minimum 2% grade is achieved in the green area. LANDSCAPING/TREE PRESERVATION There are existing trees at the edge of the grading limits that are proposed to be preserved. Staff recommends that tree protection fencing be installed at the edge of the grading limits. MISCELLANEOUS A building permit is required. Geotechnical investigation and report required. All plans must be prepared and signed by design professionals licensed in the State of Minnesota. Portions of retaining wall(s) exceeding four feet in height must be professionally designed. The owner and/or their representative shall meet with the Inspections Division to discuss plan review and permit procedures. UTILITIES Some private storm sewer and sanitary sewer lines must be relocated due to the proposed grading. A plumbing permit is required for the proposed sewer relocations. A 16 -inch trunk watermain is proposed between the new water tower and the existing trunk watermain within the east side of the Highway 41 right -of -way. Contact the Utility Department at 952- 227 -1300 a minimum of 48 hours before tapping into the existing watermain. MnDOT permits are required for the installation of the proposed watermain and storm water pond outlet pipe. Planning Commission Water Tower Site Plan — Planning Case 2011 -05 June 21, 2011 Page 6 of 8 COMPLIANCE TABLE Building Height Building Setback OI WATER TOWER Water Towers are exempt from the district height requirements pursuant to Section 20 -907 (b) (1) of the Chanhassen City Code. Hard Surface Coverage Lot Area RECOMMENDATION W- 35'S -15' 65% 0.344 acre W- 40'S -41' 33% 30.7 acres Staff recommends that the Planning Commission recommend approval of the site plan subject to the conditions of the staff report and adoption of the attached findings of fact and recommendation. The recommended conditions of approval are as follows: 1. The pedestal shall be painted sky blue if a steel shell, or if constructed of a composite concrete material shall be stamped with architectural patterns to mimic block or brick. 2. The light fixture shall have a 90- degree cut -off angle and be shielded from off -site view. 3. Haul routes must be established for the trucking of material off the site. 4. A building permit is required for the retaining walls since they will be at least four feet high. 5. The retaining walls must be designed by an engineer registered in the State of Minnesota. 6. The following additional information must be shown on the grading plan: a) Show the top and bottom of wall elevations. b) Provide more spot elevations along the driveway and the area to the north of the driveway, ensuring that minimum 1 % grade is achieved on paved surfaces and minimum 2% grade is achieved in the green area. 7. A plumbing permit is required for the proposed sewer relocations. Contact the Utility Department at 952- 227 -1300 a minimum of 48 hours before tapping into the existing watermain. 9. MnDOT permits are required for the proposed watermain and storm water pond outlet pipe. Planning Commission Water Tower Site Plan — Planning Case 2011 -05 June 21, 2011 Page 7 of 8 10. Tree protection fencing shall be installed at the edge of the grading limits. 11. A building permit is required. 12. Geotechnical investigation and report required. 13. All plans must be prepared and signed by design professionals licensed in the State of Minnesota. 14. Portions of retaining wall(s) exceeding four feet in height must be professionally designed. 15. The owner and or their representative shall meet with the Inspections Division to discuss plan review and permit procedures. 16. If the total disturbance exceeds one (1) acre in area an NPDES General Stormwater Permit for Construction Activities will be needed from the MPCA. 17. If an NPDES Permit is needed, a Storm Water Pollution Prevention Plan will need to be prepared and submitted for review and the conditions of the permit must be met. 18. The outlet to the right -of -way for MN Trunk Highway 41 will need to be stabilized immediately upon connection. 19. The pond must be protected from sedimentation to the greatest extent practicable during construction and all sediment deposited during construction must be removed to return the pond to the design conditions. A record drawing shall be prepared showing this condition to be met. 20. The plan must address the comments from the Carver County SWCD. 21. The proposed conditions will result in a decrease in runoff rate for the 2, 10 and 100 -year events and an increase in total phosphorus and suspended solids removal. 22. The underdrain bedding material shall be washed river rock wrapped in a high -flow filter fabric. 23. According to the Carver County Soil Survey and double ring infiltrometer tests performed by the School District, this site may well be conducive to infiltration. To this end an additional hold down should be constructed below the underdrain such that the feature is a filtration/partial recharge feature as described in the Minnesota Stormwater Manual. 24. Eliminate CBMH 109 and bulkhead the outlet from the upstream structure to the west. Move CBMH 107 to the east into the location of the existing manhole. Replace this structure as needed and outlet to the pond. The end result will be a single outlet point into the first cell near the pinch point of the 1035 -foot contour. Planning Commission Water Tower Site Plan — Planning Case 2011 -05 June 21, 2011 Page 8 of 8 ATTACHMENTS 1. Findings of Fact and Recommendation. 2. Reduced Copy Title Sheet. 3. Reduced Copy Existing Conditions. 4. Reduced Copy Grading Plan. 5. Reduced Copy Erosion Control Plan. 6. Reduced Copy Removals. 7. Reduced Copy Site and Utility Improvements. 8. Reduced Copy Details. 9. Reduced Copy Project Location. 10. Letter from Chip Hentges (Carver Soil and Water Conservation District) to Robert Generous dated June 7, 2011. 11. Public Hearing Notice and Mailing List. gAplan\2011 planning cases \11 -05 water tower site plan\staff report water tower.doc CITY OF CHANHASSEN CARVER AND HENNEPIN COUNTIES, MINNESOTA FINDINGS OF FACT AND RECOMMENDATION RIZIM, Application of the City of Chanhassen and Independent School District #276, for Site Plan Review for a 750,000- gallon, 170 -foot tall water tower in the Office Institutional District (OI). On June 21, 2011, the Chanhassen Planning Commission met at its regularly scheduled meeting to consider the application of the City of Chanhassen and Independent School District #276 for Site Plan review for a 750,000- gallon, 17 -foot tall water tower for property located at 6421 Hazeltine Boulevard. The Planning Commission conducted a public hearing on the site plan which was preceded by published and mailed notice. The Planning Commission heard testimony from all interested persons wishing to speak and now makes the following: FINDINGS OF FACT 1. The property is currently zoned Office Institutional District (OI). 2. The property is guided by the Land Use Plan for Public /Semi - Public use. 3. The legal description of the property is: See attached Exhibit A 4. Site Plan Findings: a. The proposed development is consistent with the elements and objectives of the City's development guides, including the comprehensive plan, official road mapping, and other plans that may be adopted; Finding: The development of the site is consistent with the City's development guides and comprehensive plan. b. The proposed development is consistent with the site plan review requirements; Finding: The site is consistent with the site plan review requirements and complies with all zoning code requirements. c. The proposed development preserves the site in its natural state to the extent practicable by minimizing tree and soil removal and designing grade changes to be in keeping with the general appearance of the neighboring developed or developing or developing areas; Finding: The propose tower is in a location that has previously been altered with the development of the site. The proposed development is in keeping with the general appearance of the neighboring developed or developing areas. The proposed development will improve surface water treatment of run -off. d. The proposed development creates a harmonious relationship of building and open space with natural site features and with existing and future buildings having a visual relationship to the development; Finding: The development will be harmonious with the existing site buildings and features. e. The proposed development creates a functional and harmonious design for structures and site features, with special attention to the following: 1) An internal sense of order for the buildings and use on the site and provision of a desirable environment for occupants, visitors and general community; Finding: The proposed expansion is in a logical and practical location on the site. 2) The amount and location of open space and landscaping; Finding: The proposed tower is located in a location that was previously altered. 3) Materials, textures, colors and details of construction as an expression of the design concept and the compatibility of the same with adjacent and neighboring structures and uses; and Finding: The proposed tower will be in keeping with the existing building. 4) Vehicular and pedestrian circulation, including walkways, interior drives and parking in terms of location and number of access points to the public streets, width of interior drives and access points, general interior circulation, separation of pedestrian and vehicular traffic and arrangement and amount of parking. Finding: Access to the site shall remain as exists. Parking areas and circulation comply with code requirements. 5) Protects adjacent and neighboring properties through reasonable provision for surface water drainage, sound and sight buffers, preservation of views, light and air and those aspects of design not adequately covered by other regulations which may have substantial effects on neighboring land uses. Finding: Surface water is being directed to an improved storm water system. The tower is located in a logical location on the site. 5. The planning report, Planning Case #11-05 dated June 21, 2011, prepared by Robert Generous, et al, is incorporated herein. 2 RECOMMENDATION The Planning Commission recommends that the City Council approve Planning Case #2011 -05 for Site Plan approval for a 750,000- gallon, 170 -foot tall water tower on property located at 6421 Hazeltine Boulevard. ADOPTED by the Chanhassen Planning Commission this 21 sc day of June, 2011. CHANHASSEN PLANNING COMMISSION raw Its Chairman 3 EXHIBIT A LEGAL DESCRIPTION The Southwest Quarter (SW 1/4) of the Northwest Quarter (NW 1/4) of Section Three (3). Township One Hundred Sixteen (116). Range Twenty Three (23) West according to the U. S. Government Survey thereof, excepting therefrom the 33/100the acres conveyed by deed recorded in the office of the Register of Deeds of Carver County, Minnesota, in Book 8 of Deeds, page 400, and that part thereof conveyed by deed recorded in the office of the Register of Deeds of Carver County, Minnesota, in Book 41 of Deeds, page 322. and subject to the right, title and interest of the State of Minnesota in that strip of land conveyed by deed recorded in the office of the Register of Deeds of Carver County, Minnesota, In Book 33 of Deeds, page 25. Also that part of Lot E, Bardwell Acres, not conveyed by said deed recorded in the office of the Register of Deeds of Carver County, Minnesota, in Book 41 of Deeds. page 322. Subject to a permanent easement for roadway purposes as recorded In the office of the Register of Deeds of Carver County. Minnesota. in Book 64 of Deeds, page 32 4 3'q s� ee 750,000 GALLON WATER TOWER FOR THE CITY OF CHANHASSEN MINNESOTA CITY OF CHANHASSEN y T 7 i s 6� p �3 �O ,R N LOCATION MAP 0 SCALE CITY HALL 8 jgjaj 1 W N ��ggf W �h 0 0- - w n U a 5 3 0 3r e gk88 8 caa o w N 4 u GG1 MINNETONKA MIDDLE SCHOOL WEST 3� I.S.D. 276 N ]0 30 b weN i0 M 8 5 �aa�iE W t , V1 C s � d A Y r Z N O W 3 3 X 03 8 X2 O v 3 O U o� Y � F z �+ z 771 1 \ \ ..... (APPROX) R N 1 V R 1037 2(E .... \ \\ / incvo - - \ R1M 1041 `INV.. r07C ; 35 oaten \ 2- 12 CLAY .. II II "... \\ _RIM 1041.4 Z ; / 1 PVc Rz> F INV =1035 3 A \ \ NV= 1038.2(N INV= 1038.0((E/S) I°u \ \ INV= 1037.9(W) \ . \ p �C.1 A`. IpfU ib-55 \ : •.�18CPP .. — ... CP ?. �, /" _. •.:,.'' 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MULCH, DISK ANCHOR AND FERTIUZE ALL DISTURBED AREAS WITHIN 14 DAYS OF FINISH GRADING. .... . ... . . ..... - - - - - - --- - ... ... ....... 7777777�� SAN MH I TC- J 053 50 INV-1036.56(SE) MINNETONKA MIDDLE SCHOOL WEST I.S.D. 276 50 lF IS RCP CBM H CL V 0 1.92% TC= 109 1042.00 ......... . . .... .... . 70 LF 12 PVC SDR 35 0 0.88% v SAN MH 2 TC-1053.00 1— 1017 11(11 8' PERFORATED PVC 00. 1%, BEDDED ON FI LTRATION MEDIA (SEE' DETAIL SHEET.) FES 106 LF 12 RCP V 0 1.22% \ CBMH �107 TC _1043.00 S U5. 1 0 -10 , 50 lF IS RCP CBM H CL V 0 1.92% TC= 109 1042.00 ......... . . .... .... . - — — — — — — — — — — CONIFEROUS TREES (TYP). )MINOUS ORNEWAH l HYDRANT AND 5" GV & BOX :16� DOUBLE SWING GATE so w flo 6' TOPSOIL BITUMINOUS DRIVEWAY TOPSOIL PRECAST OPENING FOI INV. 6' PRECAST - 6 POURED LH CASTING R - 3e2 ItML 2 -a 2' THICK ADJUST. RINGS W/ MORTAR JOIMS-PLASTER OUTSIDE, STRIKE INSIDE CLEAN PRECAST OPENING FOR A' PVC INV. = 1032.50' 1) OUTLET STRUCTURE DETAIL ca00 NTS WIDTH VARIES- SEE GRADING PLAN COMPOSTED TOPSOIL (4" DEPTH) 6 "TOPSOIL —� TOPSOIL TOP OF ENGINEERED SOIL I BASIN BOTTOM AT 1035.00' ENGINEERED SOIL WELL BLENDED MIXTURE (BY VOLUME): 70% SAND MEETING MN /DOT 3149,21 "FINE FILTER AGG:' 25 %0 RGANIC LEAF COMPOST MEETING MN /DOT 3690.22B GRADE 25 %SANDY LOAM TOPSOIL 1 V:3H MAX SIDE SLOPE 1 OF ENGII JEERED SOIL AT 1032.50 I V:IH SLOPE UNDISTURBED. UNCOMPACTED IN -SITU SC \ \ / SAND MEDIA, WASHED SAND. SCARIFY TO A MIT i0 JIM DEPTH OF I2' PRIOR /\ MN /DOT 31 a9.2J FOR FINE FILTER AGG. PLACEMENT OF SAND MEDIA d ENGINEERED SOIL IINCIDENTALI B" DIAMETER PERFORATED SUBSURFACE DRAIN SEE DRAINAGE PLANS FOR LOCATION GEOTEXTILE FABRIC, MN /DOT TYPE II (i) POND BOTTOM TYPICAL CROSS - SECTION caoo NTS - - -, -/ - -- /v —. ---L -- -- .. _ :.. . . ........— — — —,— MELODY — -- HILL ROAD "'— ` 1 \ I � Y I �r.. t :: _. �� /�•�,. i PROPERTY UNE (TYP) A-0 i '^'r � ,M1NNEfONKA MIDDLE SCHOOL WEST I.S.D. 276 / F ADD /T /ON -, All I / r f PROJECT LOCATION II /!!!/ �= — ! - ._ ....' / - - - ._ . E f .. .. ........, ., t'�j. P r CONSE RVATION DISTRICT It C ar` 11360 Hwy.212 t0 Suite 6 ti 1946 '` Colgone, MN 55322 ��ghhr $ •�,pv 0 Phone 952- 466 -5230 h "D:Hwww.co.carver.mn.us /SWCD /SWCD main.html Mission Statement: To provide leadership in conservation and teach stewardship of the soil, water, and related resources through a balanced, cooperative program that protects, restores, and improves those resources. June 7, 2011 Robert Generous, Senior Planner City of Chanhassen 7700 Market Boulevard Chanhassen, MN 55317 Re: Water Tower project The SWCD has reviewed the above mentioned preliminary development plan for erosion and sediment controls and water quality benefits. Following you will find my comments: -A National Pollution Discharge Elimination System permit will be required for this development. -The General Contractor who has overall charge of day to day operations needs to be on the NPDES Permit as the contractor. The Owner and or General Contractor have the responsibility for the NPDES permit, not the grading contractor. The owner must have an individual qualified to complete stormwater inspections. A box will need to be placed on site for these specific documents, and or kept in the project office. The Carver SWCD will be completing inspections of the rules of the NPDES permit and city ordnances to see if the owner and or contractor are in compliance with the permit. This permit is a self maintained permit. Guidelines of the permit can be found at the following web site: htti)://www.pea.state.mn.us/water/stormwater/storrnwater-c.html A Stormwater Pollution Preventive Plan ( SWPPP) will need to be developed for this site as it will have over 1- acre of disturbance. General Comments: The existing drainage from the 5+ acres of mostly impervious surfaces is very flashy and has caused sever erosion issues in the past at this site. The SWPPP will need to address how the construction of the water tower and the building of the new stormwater pond will be sequenced in order to handle the existing stormwater that drains to this spot. A plan will need to be developed AN EQUAL OPPORTUNITY EMPLOYER - that lays out the proper sequencing for the contractor to implement to create a protection for them and the city, as the downstream receiving waters is a shallow lake. - Perforated pipe needs to be documented. If drain tile will be PVC, the PVC pipe will need have additional holes drilled on site to meet the requirements of a typical plastic drain tile, and or order the equivalent. Traditional PVC drain tile only has holes drilled at the 4 — 8 o'clock. - Perforated drain tile should be placed off the bottom at an elevation of 1033.5 to allow for volume water retention storage for plants. The information I received did not have planting materials and I'm assuming the plants will be water loving plants that can handle both wet and dry conditions. If this is the case, by placing the tile on the bottom, conditions of the filtration media will become quite dry, verses placing the tile about a foot off the bottom. - The perforated tile should be placed in washed river rock and or equivalent instead of washed sand. Please include me with any correspondences of changes to this original concept plan, and also of any pre - construction meetings prior to start of construction. Sincerely, Chip Hentges CPESC Conservation Technician CITY OF CHANHASSEN AFFIDAVIT OF MAILING NOTICE STATE OF MINNESOTA) ) ss. COUNTY OF CARVER ) I, Karen J. Engelhardt, being first duly sworn, on oath deposes that she is and was on June 9, 2011, the duly qualified and acting Deputy Clerk of the City of Chanhassen, Minnesota; that on said date she caused to be mailed a copy of the attached notice of Public Hearing for the Water Tower Site Plan Review — Planning Case 2011 -05 to the persons named on attached Exhibit "A ", by enclosing a copy of said notice in an envelope addressed to such owner, and depositing the envelopes addressed to all such owners in the United States mail with postage fully prepaid thereon; that the names and addresses of such owners were those appearing as such by the records of the County Treasurer, Carver County, Minnesota, and by other appropriate records. K n J. En el rdt, D�efUy Clerk Subscribed and sworn to before me this � (� day of - -3 - Lx rw— , 2011. Notary 1' KIM T. MEUWISSEN Notary Public- Minnesota �''° ; ;a My Commission Expires Jan 31, 2015 Notice of Public Hearing Chanhassen Planning Commission Meeting Date & Time: Tuesday, June 21, 2011 at 7:00 p.m. This hearing may not start until later in the evening, depending on the order of the agenda. Location: City Hall Council Chambers, 7700 Market Blvd. Proposal: Request for Site Plan Review for construction of a water tower on ro erty zoned Office Institutional OI . Applicant: City of Chanhassen Property 6421 Hazeltine Boulevard (Minnetonka Middle School West) Location: A location map is on the reverse side of this notice. The purpose of this public hearing is to inform you about the applicant's request and to obtain input from the neighborhood about this project. During the meeting, the Chair will lead the What Happens public hearing through the following steps: at the Meeting: 1. Staff will give an overview of the proposed project. 2. The applicant will present plans on the project. 3. Comments are received from the public. 4. Public hearing is closed and the Commission discusses the project. If you want to see the plans before the meeting, please visit the City's projects web page at: www.ci.chanhassen.mn.us /sery /plan /11- 05.html If you wish to talk to someone about this project, please contact Bob Questions & Generous by email at bgenerous(d-)ci.chanhassen.mn.us or by Comments: phone at 952 - 227 -1131. If you choose to submit written comments, it is helpful to have one copy to the department in advance of the meeting. Staff will provide copies to the Commission. The staff report for this item will be available online on the project web site listed above the Thursday p rior to the Planning Commission meeting. City Review Procedure: • Subdivisions, Planned Unit Developments, Site Plan Reviews, Conditional and Interim Uses, Wetland Alterations, Rezonings, Comprehensive Plan Amendments and Code Amendments require a public hearing before the Planning Commission. City ordinances require all property within 500 feet of the subject site to be notified of the application in writing. Any interested party is invited to attend the meeting. • Staff prepares a report on the subject application that includes all pertinent information and a recommendation. These reports are available by request. At the Planning Commission meeting, staff will give a verbal overview of the report and a recommendation. The item will be opened for the public to speak about the proposal as a part of the hearing process. The Commission will close the public hearing and discuss the item and make a recommendation to the City Council. The City Council may reverse, affirm or modify wholly or partly the Planning Commission's recommendation. Rezonings, land use and code amendments take a simple majority vote of the City Council except rezonings and land use amendments from residential to commercial /industrial. • Minnesota State Statute 519.99 requires all applications to be processed within 60 days unless the applicant waives this standard. Some applications due to their complexity may take several months to complete. Any person wishing to follow an item through the process should check with the Planning Department regarding its status and scheduling for the City Council meeting. • A neighborhood spokesperson /representative is encouraged to provide a contact for the city. Often developers are encouraged to meet with the neighborhood regarding their proposal. Staff is also available to review the project with any interested person(s). • Because the Planning Commission holds the public hearing, the City Council does not. Minutes are taken and any correspondence regarding the application will be included in the report to the City Council. If you wish to have something to be included in the report, please contact the Planning Staff person named on the notification. Notice of Public Hearing Chanhassen Planning Commission Meeting Date & Time: Tuesday, June 21, 2011 at 7:00 P.M. This hearing may not start until later in the evening, depending on the order of the agenda. Location: City Hall Council Chambers, 7700 Market Blvd. Proposal: Request for Site Plan Review for construction of a water tower on property zoned Office Institutional OI . Applicant: City of Chanhassen Property 6421 Hazeltine Boulevard (Minnetonka Middle School West) Location: A location map is on the reverse side of this notice. The purpose of this public hearing is to inform you about the applicant's request and to obtain input from the neighborhood about this project. During the meeting, the Chair will lead the What Happens public hearing through the following steps: at the Meeting: 1. Staff will give an overview of the proposed project. 2. The applicant will present plans on the project. 3. Comments are received from the public. 4. Public hearing is closed and the Commission discusses the project. If you want to see the plans before the meeting, please visit the City's projects web page at: www.ci.chanhassen.mn.us /sery /plan /11- 05.html If you wish to talk to someone about this project, please contact Bob Questions & Generous by email at bgenerousCa)-ci.chanhassen.mn.us or by Comments: phone at 952 - 227 -1131. If you choose to submit written comments, it is helpful to have one copy to the department in advance of the meeting. Staff will provide copies to the Commission. The staff report for this item will be available online on the project web site listed above the Thursday p rior to the Planning Commission meeting. City Review Procedure: • Subdivisions, Planned Unit Developments, Site Plan Reviews, Conditional and Interim Uses, Wetland Alterations, Rezonings, Comprehensive Plan Amendments and Code Amendments require a public hearing before the Planning Commission. City ordinances require all property within 500 feet of the subject site to be notified of the application in writing. Any interested party is invited to attend the meeting. • Staff prepares a report on the subject application that includes all pertinent information and a recommendation. These reports are available by request. At the Planning Commission meeting, staff will give a verbal overview of the report and a recommendation. The item will be opened for the public to speak about the proposal as a part of the hearing process. The Commission will close the public hearing and discuss the item and make a recommendation to the City Council. The City Council may reverse, affirm or modify wholly or partly the Planning Commission's recommendation. Rezonings, land use and code amendments take a simple majority vote of the City Council except rezonings and land use amendments from residential to commercial /industrial. • Minnesota State Statute 519.99 requires all applications to be processed within 60 days unless the applicant waives this standard. Some applications due to their complexity may take several months to complete. Any person wishing to follow an item through the process should check with the Planning Department regarding its status and scheduling for the City Council meeting. • A neighborhood spokesperson /representative is encouraged to provide a contact for the city. Often developers are encouraged to meet with the neighborhood regarding their proposal. Staff is also available to review the project with any interested person(s). • Because the Planning Commission holds the public hearing, the City Council does not. Minutes are taken and any correspondence regarding the application will be included in the report to the City Council. If you wish to have something to be included in the report, please contact the Planning Staff person named on the notification. Disclaimer This map is neither a legally recorded map nor a survey and is not intended to be used as one. This map is a compilation of records, information and data located in various city, county, state and federal offices and other sources regarding the area shown, and is to be used for reference purposes only. The City does not warrant that the Geographic Information System (GIS) Data used to prepare this map are error free, and the City does not represent that the GIS Data can be used for navigational, tracking or any other purpose requiring exacting measurement of distance or direction or precision in the depiction of geographic features. If errors or discrepancies are found please contact 952 - 227 -1107. The preceding disclaimer is provided pursuant to Minnesota Statutes §466.03, Subd. 21 (2000), and the user of this map acknowledges that the City shall not be liable for any damages, and expressly waives all claims, and agrees to defend, indemnify, and hold harmless the City from any and all claims brought by User, its employees or agents, or third parties which arise out of the user's access or use of data provided. This map is neither a legally recorded map nor a survey and is not intended to be used as one. This map is a compilation of records, information and data located in various city, county, state and federal offices and other sources regarding the area shown, and is to be used for reference purposes only. The City does not warrant that the Geographic Information System (GIS) Data used to prepare this map are error free, and the City does not represent that the GIS Data can be used for navigational, tracking or any other purpose requiring exacting measurement of distance or direction or precision in the depiction of geographic features. If errors or discrepancies are found please contact 952 - 227 -1107. The preceding disclaimer is provided pursuant to Minnesota Statutes §466.03, Subd. 21 (2000), and the user of this map acknowledges that the City shall not be liable for any damages, and expressly waives all claims, and agrees to defend, indemnify, and hold harmless the City from any and all claims brought by User, its employees or agents, or third parties which arise out of the user's access or use of data provided. BEN & MARGARET LIAO BENJAMIN H & HIDEKO GOWEN BEULAH S BAER 3645 FORESTVIEW LN 6440 HAZELTINE BLVD 6300 CHASKA RD PLYMOUTH MN 55441 -1336 EXCELSIOR MN 55331 -8049 EXCELSIOR MN 55331 -8825 BRIAN D & KRISTINE V MCMENAMIN 6393 MELODY LN EXCELSIOR MN 55331 -6405 BRIAN L & TONYA M Z GABBARD 6444 MURRAY HILL RD EXCELSIOR MN 55331 -8994 BROOKS C & KATIE M DEIBELE 6490 MURRAY HILL RD EXCELSIOR MN 55331 -8994 BRYAN P & ELIZABETH WUTZKE 2280 MELODY HILL RD EXCELSIOR MN 55331 -8891 CHARLES G GOERS SR REV TRUST 2160 MURRAY HILL CT EXCELSIOR MN 55331 -8882 CHARLES R & KATHLEEN J MOWREY 367 SANTANA HTS SAN JOSE CA 95128 -2074 CINDY TELLINGHUISEN 6370 MURRAY HILL RD EXCELSIOR MN 55331 -8834 DAMON M & NANCY M JOHNSON 6366 MELODY LN EXCELSIOR MN 55331 -6402 DAVID L & HOLLY J JESSEN 6618 BRENDEN CT CHANHASSEN MN 55317 -7560 DENNIS M & JOAN E CLARK 6651 HAZELTINE BLVD EXCELSIOR MN 55331 -8039 CAROL ASLESEN CHILD 6482 MURRAY HILL RD EXCELSIOR MN 55331 -8994 CHARLES R & BEVERLY J JACKSON 2110 CRESTVIEW DR EXCELSIOR MN 55331 -8009 CHRISTOPHER M JERDEE 2081 65TH ST W CHANHASSEN MN 55317 -9006 CLAUDE W & KAYE L BENSON 2211 SOMMERGATE EXCELSIOR MN 55331 -8800 DAN V & CYNTHIA M SEEMAN 6673 BRENDEN CT CHANHASSEN MN 55317 -7560 DAVID L & MARY JO WILLADSEN 2325 MELODY HILL RD EXCELSIOR MN 55331 -8894 DOUGLAS E & MARY K JOHNSON 6474 MURRAY HILL RD EXCELSIOR MN 55331 -8994 CARVER COUNTY 600 4TH ST E CHASKA MN 55318 -2102 CHARLES R & JOANNE F LEWELLEN 6340 MURRAY HILL RD EXCELSIOR MN 55331 -8834 CHRISTOPHER NOVOGRATZ 6624 ALDER WAY CHANHASSEN MN 55317 -4581 CURTIS W & NOELLE W SWENSON 6614 ALDER WAY CHANHASSEN MN 55317 -4581 DANIEL C & JANE A MCKOWN 2171 PINEHURST DR CHANHASSEN MN 55317 -4579 DEBRA LEIGH THOMASSON- HIGGINS 6285 CHASKA RD EXCELSIOR MN 55331 -8824 GESTACH & PAULSON CONSTRUCTION 200 CHESTNUT ST N CHASKA MN 55318 -1920 GREGORY I & JULIE M NELSON IND SCHOOL DIST 276 JANE QUILLING REVSBECH 2165 MURRAY HILL CT 5621 CO RD 101 2155 MURRAY HILL CT EXCELSIOR MN 55331 -8882 MINNETONKA MN 55345 EXCELSIOR MN 55331 -8882 JEFFREY A & CHRISTINA M JEFFREY WIRTH JOHN D & KATHRYN D DESMET WUNROW 6486 MURRAY HILL RD 6454 MURRAY HILL RD 6361 MELODY LN EXCELSIOR MN 55331 -8994 EXCELSIOR MN 55331 -8994 EXCELSIOR MN 55331 -6405 JOHN J & LYNNETTE J DELUCA JOHN K BROOKS JOSEPH R COOK 6484 MURRAY HILL RD 2151 PINEHURST DR 6672 BRENDEN CT EXCELSIOR MN 55331 -8994 CHANHASSEN MN 553174579 CHANHASSEN MN 55317 -7560 JUNIE M HOFF - 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