Laserfiche WebLink
o <br />_T7_ <br />J` <br />Ta `'Yaa �rY <br />e <br />"uAp <br />Bast Management P -r - <br />EXISTING DRAINAGE AREAS <br />10 -YR STORM (4.157 <br />100 -YR 7CRM (3.9a7 <br />RUNOFF (CFS) <br />IMI AREA PERVIOUS AREA TOTAL AREA <br />Q D„T iCFSJ STORY EVENT <br />DRAINAGE AREA <br />y <br />CACRLS) (ACRS) <br />.1({-1Y{AR <br />1110'YEAR <br />ROL.TING <br />HWL <br />High Watar La N <br />INV <br />(ZY <br />MAX <br />MaxIM'M <br />1 <br />"uAp <br />Bast Management P -r - <br />EXISTING DRAINAGE AREAS <br />10 -YR STORM (4.157 <br />100 -YR 7CRM (3.9a7 <br />RUNOFF (CFS) <br />IMI AREA PERVIOUS AREA TOTAL AREA <br />Q D„T iCFSJ STORY EVENT <br />DRAINAGE AREA <br />(ACRES) <br />CACRLS) (ACRS) <br />.1({-1Y{AR <br />1110'YEAR <br />ROL.TING <br />HWL <br />High Watar La N <br />INV <br />(ZY <br />MAX <br />MaxIM'M <br />1 <br />0.67 <br />0.48 0.55 <br />0.95 1.6D <br />M79 <br />TO PARKING LOT STORM SEAOF <br />2 <br />0.09 <br />7.3' 0_3F <br />0.51 I 1.O" <br />2.20 <br />'D LESa)ENT91L SW <br />3 <br />O.D1 <br />0.03 0.04 1 <br />0.08 0-15 <br />0.31 <br />TO NW HWY 8 BLVD. <br />TCTAL <br />0.07 <br />0.82 0.90 1 <br />1.54 296 <br />6.30 <br />"uAp <br />STORMWATER RUNOFF SUMMARY <br />Bast Management P -r - <br />2 -YR STORM (2.751 <br />10 -YR STORM (4.157 <br />100 -YR 7CRM (3.9a7 <br />RUNOFF (CFS) <br />RUNOFF (CFS) <br />RUNOFF (CFS, <br />EXISTING SITE 1.54 <br />2.96 <br />6.30 <br />PROPOSES SCE 1.45 <br />2.B9 <br />6.11 <br />HWL <br />High Watar La N <br />INV <br />Imert <br />MAX <br />MaxIM'M <br />MH <br />Manhole <br />aY �+ <br />Mni- <br />Pdlution Control <br />MPCA <br />�%N <br />NPOES <br />National Pallatant 01-hwoe <br />EJrmim11- SyAtem <br />NWL <br />N. -I Wotar Laval <br />PVC <br />PWyAryl Chk idaLa <br />RCP <br />ReinraeW Can to Pipe <br />TSNTop <br />or Rau <br />P <br />Waahaat <br />cc <br />CnArkAnin_ <br />H <br />.A \ I <br />\ <br />7 <br />w <br />4 uixe <br />STORMWATER RUNOFF SUMMARY <br />Bast Management P -r - <br />2 -YR STORM (2.751 <br />10 -YR STORM (4.157 <br />100 -YR 7CRM (3.9a7 <br />RUNOFF (CFS) <br />RUNOFF (CFS) <br />RUNOFF (CFS, <br />EXISTING SITE 1.54 <br />2.96 <br />6.30 <br />PROPOSES SCE 1.45 <br />2.B9 <br />6.11 <br />- - M-NIMUM ESIMATED QUANTITIES FOR EROSION <br />NI <br />ITEM DESCRIPr.ON Esnmum Ou ITV <br />DRAINAGE STRUCT. INLET FIEF! 5 EACH <br />CONCONCRETE <br />WASHOUTFION ENTRANCE 1 EACH <br />d CONCRETE WASHOUT 1 EACH <br />PERIMETER ER090NNET 434 tF <br />t 1 II!�{11.0 EROSION CDNTRDi BLANKET <br />NOTE: OIIANTIlELS SHOWN ARE THE MINaMUM REQUIRED, <br />NUGO VICINITY MAP THE <br />ADDITIONAL WATERQUANTITIES MAY IC. OR C IF REQUIRED BYR <br />THE MPGA WATERSHED pLrDET OR CRY. CONTRACTOR <br />IS RESPONSIBLE FOR FINAL DETERMINATION OF <br />OMNNnT1E5 PRIOR TO CONSTRLX.'T:ON. <br />BMP <br />Bast Management P -r - <br />BW <br />Batlam of Wall <br />C13 <br />Calch Basin <br />00MC <br />Conorde <br />ELEV <br />El- rro <br />EX <br />Exetin9 <br />FEE <br />FI.iehed FIVar Elavott- <br />HWL <br />High Watar La N <br />INV <br />Imert <br />MAX <br />MaxIM'M <br />MH <br />Manhole <br />MIN <br />Mni- <br />Pdlution Control <br />MPCA <br />�%N <br />NPOES <br />National Pallatant 01-hwoe <br />EJrmim11- SyAtem <br />NWL <br />N. -I Wotar Laval <br />PVC <br />PWyAryl Chk idaLa <br />RCP <br />ReinraeW Can to Pipe <br />TSNTop <br />or Rau <br />W.B. <br />Waahaat <br />INSPECTIONS <br />EXPOSED SOUL MEAS: ONCE EVERY 7 DAYS <br />AND WITHIN 24 HOURS FOLLOWING A 1/2 INCH <br />OVER 24 HOURS RAIN EVENT- <br />STAaIuZED AREAS: ONCE EVERY 30 DAYS, <br />FROZEN GROUNO: AS SOON AS RUNOFF <br />OCCURS OR PRIOR TO RESUMING <br />CINSTRUCITON. <br />EINA STABILIZATION <br />STABILIZATION BY UNIFORM PERENNIAL <br />VEGETATE.E COVER (70% DENSITY) <br />DRAINAGE DITCHES STABILIZED. <br />ALL TEMPORARY sYNTHEnC AND STRUCTURAL <br />BI REMOVED. <br />CLEAN OUT SEDIMENT FROM CONVEYANCES AND <br />SEOIMENTATON BASINS (RENRN TO DESIGN <br />CAPACnv). <br />H TE NC NOTES: <br />1. <br />LONG TERM 3WNIENAICE OF THE SITE <br />WALL BE PERFORMED BY THE OWNER. <br />INCLUDED MAINTENANCE FOR STORMWATER <br />DEVISES SHALL BE- <br />I.I. INSPECT RAIN GUARDIAN ON A <br />BIANNUAL BASIS. ONCE IN THE SPRING <br />AND ONCE IN THE FALL <br />1.2. CLEAN RAIN GUARDIAN OF SEDIMENT <br />AND DEBRIS ANNUALLY OR WHEN <br />SEDIMENTS FILL ] OF THE STORAGE <br />VOLUME <br />SOLD WASTE DISPOSED PROPERLY'. COMPLY <br />WITH MPGA REQUIREMENTS. <br />HAZAROOUS WASTE STORED (SECONDARY <br />CONTAINMENT, RESTRLCTED ACCESS) AND <br />DISPOSED IN COMPLIANCE WITH MPGA <br />REQUIREMENTS. <br />EXTERNAL WASHING OF TRUCKS AND OTHER <br />CONSTRucnON VEHICLES MUST BE LIMITED TO <br />A DEFINED AREA OF THE SITE RUNOFF MUST <br />BE CONTAINED AND WASTE PROPERLY DISPOSED. <br />NO ENGINE DEGREASING ALLOWED ON -SRF. <br />CONCRETE WASHOUT ON-SITE: ALL LIQUID AND <br />SOLID WASTES GENERATED BY GONCREIE <br />VhSHOUT OPERATIONS MUST BE CONTAINED IN <br />A LEAK -PROOF CONTAINMENT FACILITY CR <br />IMPERMEABLE LINER, A COMPACTED CLAY LINER <br />THAT DOES NOT AGLOW LIQUIDS TO ENTER <br />GROUND WATER IS CONSIDERED .AN <br />IMPERMEABLE UNER. THE LIQUID AND SOLID <br />WASTES MUST NOT CONTACT THE GROUND, AND <br />THERE MUST NOT BE RUNOFF FROM THE <br />CONCRETE WASHOUT OPERATIONS OR ARMED <br />UQUIO AND SOLID WASTES MUST BE MIS <br />OF PROPERLY AND H COMPLIANCE WITH MPGA <br />REGULATIONS. A SIGN MUST BE INSTA1lID <br />ADJACENT TO EACH WASHOUT FACT TO <br />INFORM CONCRETE EQUIPMENT OPERATORS TO <br />UTIUZE THE PROPER FACILITES, THE CONCRETE <br />WASHOUT AREA INDICATED ON THE PLANS IS <br />SHOWN IN AN APPROXIMATE LOCATION. PRIOR <br />TO THE START OF cCN5rRuCTION, THE <br />CONTRACTOR SHALL DETERMINE THE EXACT <br />LOCATION IN ACCORDANCE WITH MPGA <br />REQUIREMENTS. <br />N <br />49 W a 40' eo <br />SCALE 1' - 40' <br />gnNSTRUCTION ACTMTY EROSION <br />EREVENTION <br />CONTRACTOR SHALL sTARUZE ALL EXPOSED <br />SCIL AREAS (INCLUDING STOI <br />STABILIZATION MUST BE INITIATED IMMEDIATELY <br />7D UNIT SOIL EROSION WHENEVER ANY <br />CONSTRUCTION ACTNRIY HAS PERMANENTLY OR <br />TEMPORARILY [EASED ON ANY PORTION OF THE <br />SITE AND WILL NOT RESUME FOR A PERIOD <br />EXCEEDING 14 CALENDAR DAYS STABILIZATION <br />MUST BE COMP ETEO NO LATER THAN 14 <br />CALENDAR DAYS AFTER THE CONSTRUCTION <br />ACTMW N THAT PORTION OF THE SITE HAS <br />TEMPORARILY OR PERMANENTLY CEASED. <br />FOR PUBLIC WATER THAT THE UNR HAS <br />PROMLAAATED `WORK IN WATER RESTRICTIONS' <br />DURING SPECIFIED RSH SPAWNING TIME <br />FRAMES, ALL EXPOSED SOIL AREAS THAT ARE <br />WITHIN 2DD FEET OF THE WATER'S EDGE, MIO <br />DRAIN TO THESE WATERS MUST COMPLETE THE <br />STABIUZATON AC UES WITHIN 24 HOURS <br />DURING THE RESTRICTION PERCD. <br />PIPE OUTLETS MUST BE PROVIDED WITH <br />TEMPORARY OR PERMANENT ENERGY CISSIP-T1CN <br />WITHIN 24-HDURS AFTER CONNECTION TO A <br />SURFACE WATER. <br />SEDIMENT CONTROL MEASURES MUST BE <br />INSTALLED ON ALL DOWN GRADIENT PERIMETERS <br />BEFORE ANY UPGRADIE14T LAND CISTURBING <br />ACTIVITIES BEGIN. <br />«T]INENT AND EROSION CONITROL <br />MAINTENANCE <br />PERIMETER SEDIMENT CONTROL PRACTICES: <br />WHEN SEDIMENT REACHES 1/3 7HE HEIGHT OF <br />THE DMP, THE SEDIMENT MUST BE REMOVED <br />WITHIN 24 HOURS. IF PERIMETER SEDIMENT <br />CONTROL HAS BEEN DAMAGED 0-. IS NOT <br />FUNCTIONING PROPERLY, IT MUST BE REPAIRED <br />AND/OR REPLACED WITHIN 24 HOURS. <br />PERIMETER BMP MEASURES MAY INCLUDE SILT <br />FENCING. <br />CONSTRUCTION SITE VEHICLE EXIT LOCATIONS: <br />ALL TRACKED SEDIMENT ONTO PAVED SURFACES <br />MUST BE REMOVED WITHIN 24 HOUR OF <br />DISCOVERY OR MORE FREQUENTLY IF REQUIRED <br />BY CITY OR WATERSHED. <br />CONSTRUCTION SITE DEWATERING: <br />THE CONTRACTOR SHALL BE RESPONSIBLE FOR <br />OBTAINING ALL DEWATERING PERMITS. DISCHARGE <br />FROM ALL DEWATERING OPERATIONS SHALL 13E <br />DIRECTED TO ON-SITE DEPRESSIONS- NO <br />DISCHARGE FROM DEWATERING OPERATIONS <br />SHALL BE DIRECTED OFF -SNE TOWARDS A <br />WATER OF THE STATE <br />pGFNf..Y��Nf9 TS.� <br />CITY OF HUCC <br />ENGINEERING DEPARTMENT <br />PHONE: (1351) 762-8300 <br />MINNESOTA POLLUTION CONTROL -GENCY <br />PHONE: (651) 296-6300 <br />RICE CREEK WATERSHED DISTRICT <br />PHONE: (.63) 396-3010 <br />THE ^' <br />FOUMDATION <br />ARCHI'T'ECTS <br />22 Third A" N Sults 460 <br />Minneapolis. MN 55401 <br />www.taundationaf[htOm <br />p, 612.M 0.5430 <br />L 612.340.5431 <br />BKBM a " <br />WWwL1�m.Wm <br />® are IVF ro+ Ye <br />Aowri b vn'wIY-� V ay m Y Ib Pwai • xxal <br />�y.a4 0+ � Tal M aM r aFr �iYrl �r wiYr award <br />I certify that this plan. speclticatiom of <br />report was prepared by me or under <br />my direct supervislon and that I am a <br />duly Licensed Profession! Er11 1I <br />Under the laws of the state of Minnesota <br />Joel W. Maler <br />Date 08-24.2016 Rey, Nn 19181 <br />STORM WATER RAN <br />D. 08.24.2016 <br />'"K) t Numrlar 16127 <br />0600 <br />fY <br />N <br />Z <br />W <br />d <br />a_ <br />a <br />GO <br />0 <br />cc <br />CnArkAnin_ <br />H <br />LLJ <br />7 <br />w <br />0 <br />copYN9ht 2016 <br />_ <br />STORM WATER RAN <br />D. 08.24.2016 <br />'"K) t Numrlar 16127 <br />0600 <br />