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CITY OF ORONO RESOLUTI1 L EROSION CONTROL RESPONSIBLE PARTY: DAVID WEEKLEY HOMES CONTACT: AZIZ SIDDIQUI 12900 WHITEWATER DRIVE -� SUITE 180 MINNETONKA, MN 55343 PH: 612-260-2310 -- --' ------- CONTRACTOR JI' eaa.,.ry e Orono `a. s�sp 'rat+ SWPPP CERTIFIED CONTRACTOR. SWPPP BMP QUANTITIES (PER PLAN): I 0J &_$6_. . ^J IE lO16.43(N) roNq ` m �-`" DISTURBED AREA 3.7 AC IE: ID 16_OI(W) 5�. \ , iii p _ � SILT FENCE 2,181.0 LF INLET PROTECTION 5 EA VICINITY MAP SEED/SOD POST GRADING AREA 2.8 AC NOT TO SCALE NOTE: 1. SEE SHEET 9 FOR ALL EROSION AND -------45-- -----40- SEDIMENT CONTROL NOTES AND DETAILS. IMPAIRED WATER REQUIREMENT ie DURING CONSTRUCTION: A. ALL EXPOSED SOIL AREAS MUST BE STABILIZED AS SOON AS POSSIBLE TO LIMIT SOIL EROSION BUT IN NO CASE LATER THAN SEVEN (7) DAYS AFTER CONSTRUCTION ACTIVITY IN THAT PORTION OF THE SITE HAS TEMPORARY OR PERMANENTLY CEASED. B. TEMPORARY SEDIMENT BASIN REQUIREMENTS DESCRIBED IN PART III, B.1.5 MUST BE USED FOR COMMON DRAINAGE LOCATIONS THAT SERVE AN AREA WITH FIVE (5) OF MORE ACRES AT A TIME. NOTE TO CONTRACTOR: PERIMETER EROSION CONTROL MEASURES MUST BE INSTALLEDBY THE CONTRACTOR AND INSPECTED BY THE CITY PRIOR TO ANY OTHER WORK. CONTRACTOR MUST PROVIDE MINIMUM 24-HOUR NOTICE PRIOR TO INSPECTION. THE MASS GRADING CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ALL EROSION AND SEDIMENT CONTROL BEST MANAGEMENT PRACTICES (BMPS) AS SHOWN (EXCEPT FOR POST -GRADING BMPS NEEDED AFTER UTILITY CONSTRUCTION ACTIVITY). THE BMPS ARE TO BE INSTALLED AT A MINIMUM AS SHOWN IN THE PLAN. IF CONDITIONS ARISE, ADDITIONAL BMP SUPPLEMENTATION TO PREVENT SITE EROSION OR SEDIMENT TRANSPORT MAY BE NECESSARY. THE MASS GRADING CONTRACTOR IS RESPONSIBLE FOR ALL BMPS REQUIRED TO COMPLETE THE MASS GRADING ACTIVITIES AND SUBSEQUENT TEMPORARY SOIL STABILIZATION NECESSARY TO PREPARE SITE FOR STREET AND UTILITY CONSTRUCTION AND HOME BUILDING. AT THE COMPLETION OF MASS GRADING WORK AND SATISFACTORY SITE SOIL STABILIZATION, THE DEVELOPER AND MASS GRADING CONTRACTOR SHALL COORDINATE THE TRANSFER OF NPDES PERMIT RESPONSIBILITIES TO THE STREET AND UTILITY CONTRACTOR AND THE CITY. THE STREET AND UTILITY CONTRACTOR AND CITY WILL THEN ASSUME THE RESPONSIBILITY TO PROVIDE INSPECTION AND MAINTENANCE OF ANY IN-PLACE BMPS AS WELL AS INSTALL ADDITIONAL BMPS AS REQUIRED. UPON COMPLETION OF STREET AND UTILITY CONSTRUCTION, THE STREET AND UTILITY CONTRACTOR SHALL REMOVE ANY BMPS INSTALLED DURING THE STREET AND UTILITY PHASE THAT ARE NO LONGER REQUIRED AND COORDINATE THE TRANSFER OF NODES PERMIT RESPONSIBILITIES BACK TO THE DEVELOPER OR TERMINATE THE PORTION OF THE NPDES PERMIT TRANSFERRED TO THE CITY AND THEIR CONTRACTOR. CONSTRUCTION SEQUENCING: MASS GRADING PHASE: 1. INSTALL STABILIZED CONSTRUCTION ENTRANCES. 2. PREPARE TEMPORARY PARKING AND STORAGE AREA. 3. INSTALL THE PRE -GRADING SILT FENCES AND INLET PROTECTION BMPS ON THE SITE. 4. CONSTRUCT ALL PRE -GRADING EROSION AND SEDIMENTATION CONTROL BMPS. 5. COMPLETE MASS GRADING AND INSTALL TEMPORARY AND PERMANENT SEEDING AND PLANTING. 6. CONSTRUCT POST -GRADING SILT FENCE ON THE SITE. STREET & UTILITY PHASE: 1. INSTALL UTILITIES, UNDERDRAINS, STORM SEWERS, CURBS AND GUTTERS. 2. INSTALL RIP RAP AROUND OUTLET STRUCTURES. 3. INSTALL INLET PROTECTION AROUND ALL STORM SEWER STRUCTURES. 4. PREPARE SITE FOR PAVING. 5. PAVE SITE. 6. INSTALLINLET PROTECTION DEVICES. IN 7. STALL POST STREET AND UTILITY SILT FENCE. 8. INSTALL PRIVATE UTILITIES. 9. REMOVE ALL TEMPORARY EROSION AND SEDIMENT CONTROL DEVICES (ONLY IF SITE IS STABILIZED), IF REQUIRED BY THE CONTRACT SEDIMENT BARRIERS ANTI -TRACKING CONTROL I.SILT FENCE (MnDOT 3886) L 2" CRUSHED CLEAR ROCK 2. CURB LOG (LAND DEVELOPMENT) 3. ROCK WEEPER INLET PROTECTION DEVICES TEMPORARY SEED MIX I. WIMCO (MnDOT TYPE A & C) I. MnDOT-2I-III 2. INFRASAFE STORM DRAIN/CULVERT (OATS 21-120 DAY STABILIZATION) 3. SILT SACK (MnDOT TYPE A) 2. MnDOT-22-III (1-2 YR. STABILIZATION) 4. DANDY BAG (MnDOT TYPE B) D N D DO NOT DISTURB AREAS > PERMANENT SEED MIX/STABILIZATION STABILIZATION BMP'S 1.MnDOT 25-151 (RESIDENTIAL TURF) I. STRAW/HAY 2. SOD MnDOT TYPE I MULCH PROPERTY LINE 2. EROSIONCONTROL BLANKET GRADING ACTIVITY MnDOT CAT. 3 I. CONCRETE WASHOUT IS DONE BY 3. HYDROMULCH TRUCK WITH A MOBILE WASHOUT MnDOT TYPE 5 SYSTEM PROVIDED AND COMPLETED 4. TURF REINFORCEMENT MAT BY THE CONCRETE CONTRACTOR. SC250 NORTH AMERICAN GREEN OR EQUAL-MNDOT CAT 6 LEGEND: -9- - - - EXISTING CONTOUR - PRE - SF - PROPOSED SILT FENCE (PRE GRADING) 789- PROPOSED CONTOUR - PST - SF - PROPOSED SILT FENCE (POST GRADING) 789 PROPOSED CONTOUR (BY OTHERS) DIRECTION OF DRAINAGE }--} 1-1 INLET PROTECTION 0 0 PROPOSED CATCH BASINS D N D DO NOT DISTURB AREAS > PROPOSED STORM SEWER - - - - - - - - - PROPOSED EASEMENT ROCK CONSTRUCTION ENTRANCE PROPERTY LINE O EXISTING TREE TO REMAIN SETBACK LINE LOT LINE - - RIGHT-OF-WAY CONCRETE WASHOUT LOCATION D IN NO. 7206 ALLIANT 733 Marquette Avenue Suite 700 Minneapolis, MN 55402 612.758.3080 www.alliant-inc.com 'Cn V z_ N Cn O cc U O z O cc O David Weekiey Homes Cn z LU C U O 0 z _O U ccH Cn z O U I hereby certify that this plan, specification, or report w prepared by m ounder a my direct supervision and that I am a duly Licensed PROFESSIONAL ENGINEER under the laws of the State of MINNESOTAA�q � MARK RAUSUS/CHVPE�� 6-3-2021 43480 Date License No. QUALITY ASSURANCE/CONTROL BY DATE DATE ISSUE 1-20-2021 CITY SUBMITTAL - PRELIM PLAT 4-21-2021 CITY SUBMITTAL 6-3-2021 CONSTRUCTION DOCUMENTS PROJECT TEAM DATA DESIGNED: MPR DRAWN: TAS PROJECT NO: 220-0101 SHEET 8 OF 23