Agenda - Council - 09/08/2026 - Laserfiche WebLink

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SWPPP NARRATIVE: 1. THE CONTRACTOR AND OWNER MUST APPLY FOR PERMIT COVERAGE UNDER THE GENERAL STORMWATER PERMIT FOR CONSTRUCTION ACTIVITY AS REQUIRED BY THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PHASE II PROGRAM ISSUED AUGUST 1, 2023. COVERAGE WILL BEGIN 7 DAYS AFTER ONLINE SUBMISSION OF THE PERMIT APPLICATION. 2. THIS SWPPP INCLUDES BOTH PERMANENT AND TEMPORARY BEST MANAGEMENT PRACTICES (BMPs). THE LOCATION AND TYPE OF BMPs ARE DEPICTED ON THE GRADING, DRAINAGE AND EROSION CONTROL PLAN. CONSTRUCT ALL BMPs IN ACCORDANCE WITH THE APPLICABLE DETAILS IN THESE PLANS. 3. DISCHARGE OF ANY MATERIAL OTHER THAN STORMWATER OR DISCHARGES ASSOCIATED WITH DEWATERING FROM THE SITE ARE PROHIBITED. 4. THIS SWPPP IS NOT DESIGNED FOR DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY. PERMITTEES MUST OBTAIN COVERAGE FOR DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITIES UNDER A SEPARATE NPDES PERMIT AFTER DAY TO DAY OPERATION ACTIVITIES COMMENCE EVEN IF CONSTRUCTION IS ONGOING. 5. PERMITTEES MUST SUBMIT A NOTIFICATION OF TERMINATION WITHIN 30 DAYS OF TERMINATION OF PROJECT. THE CITY OF BECKER MUST APPROVE THE NOTICE OF TERMINATION BEFORE IT IS SUBMITTED TO THE MPCA. PROJECT CONTACTS: DESCRIPTION COMPANY CONTACT PERSON PHONE OWNER WILDLIFE RESEARCH CENTER, INC. SAM BURGESON 763-427-3350 CONTRACTOR RJ RYAN JOHN GROTKIN 651-443-2000 SWPPP DESIGNER HAKANSON ANDERSON SAM JOCHUM 763-427-5860 ANTICIPATED CONSTRUCTION SEQUENCE: 1. PERIMETER SEDIMENT CONTROL SHALL BE INSTALLED PRIOR TO ANY EARTH DISTURBING ACTIVITIES. 2. CONSTRUCT STABILIZED CONSTRUCTION ENTRANCE. 3. CLEARING AND GRUBBING, REMOVAL OF IMPERVIOUS SURFACES, AND REMOVALS OF EXISTING UTILITIES. 4. CONSTRUCT GRADING, UTILITIES, BUILDING AND PARKING AREA. 5. STABILIZE ALL UPGRADIENT AREAS. PROJECT INFORMATION: DISTURBED AREA (ACRES) 4.7100 EXISTING IMPERVIOUS SURFACE (ACRES) 0.8100 PROPOSED IMPERVIOUS SURFACE (ACRES) 1.5040 PLANNED CONSTRUCTION START DATE 9/1/2026 ESTIMATED CONSTRUCTION COMPLETION DATE 12/1/2027 COUNTY ANOKA LATTITUE 45.2336 LONGITUDE —93.4302 TEMPORARY SEDIMENT BASINS: 1. TEMPORARY SEDIMENT BASINS ARE REQUIRED WHERE 10 OR MORE ACRES DRAIN TO A COMMON LOCATION. TEMPORARY SEDIMENT BASINS MUST HAVE A LIVE STORAGE FOR A 2 YEAR, 24 HOUR STORM EVENT OR 1800 CUBIC FEET PER ACRE DRAINED. MORE THAN 10 ACRES OF DISTURBED AREA DRAINING TO COMMON LOCATION NO TEMPORARY SEDIMENT BASIN REQUIRED NO VOLUME REQ'D BASED ON 2—YEAR STORM OR 1800 CF / ACRE NOT APPLICABLE TIMING OF EROSION CONTROL: 1. RIPRAP AND GEOTEXTILE FILTER SHALL BE INSTALLED WITHIN 24 HOURS OF THE OUTLET PLACEMENT 2. THE CONTRACTOR MUST STABILIZE ALL EXPOSED SOIL IMMEDIATELY TO LIMIT SOIL EROSION WHEN CONSTRUCTION ACTIVITY HAS PERMANENTLY OR TEMPORARILY CEASED AND WILL NOT RESUME FOR A PERIOD EXCEEDING SEVEN CALENDAR DAYS. 3. ADJACENT TO SURFACE WATERS, STABILIZE THE NORMAL WETTED PERIMETER OF THE LAST 200 LINEAL FEET OF PERMANENT OR TEMPORARY DRAINAGE DITCHES OR SWALES WITHIN 24 HOURS. 4. DURING FISH SPAWNING TIME FRAMES, STABILIZE ALL EXPOSED AREAS WITHIN 200 FEET OF THE WATERS EDGE WITHIN 24 HOURS IF WITHIN THE RESTRICTION PERIOD. DATE REVISION 6/11/26 CITY REVIEW NO.1 I hereby certify that this plan, specification, or report was prepared by me or under my direct supervision and that I am a duly Licensed Professional Engineer under the laws of the State of Minnesota. DESIGNED BY: SGJ DRAIN BY: IDM SAMUEL G. JOCHUM, P.E. Date5-18-26 Lic. No 61933 cta o BY: CJJ SURFACE WATERS MAP 1—MILE BOUNDARY 1E77JAKIGEM imam PROJECT LOCATION MISSISSIPPI RIVER OIAMONO N+ATIONAL RIEOREATION SUNWOOD i. College, Kings Island 171 Hakanson Anderson Civil Engineers and Land Surveyors 3601 Thurston Ave., Anoka, Minnesota 55303 763-427-5860 FAX 763-427-0520 www.hakanson—anderson.com WILDLIFE RESEARCH ADDITION SWPPP CITY OF RAMSEY, MINNESOTA 2165.12