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SWPPP NARRATIVE: <br />1. THE CONTRACTOR AND OWNER MUST APPLY FOR PERMIT COVERAGE UNDER THE GENERAL STORMWATER PERMIT FOR <br />CONSTRUCTION ACTIVITY AS REQUIRED BY THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />PHASE II PROGRAM ISSUED AUGUST 1, 2023. COVERAGE WILL BEGIN 7 DAYS AFTER ONLINE SUBMISSION OF THE <br />PERMIT APPLICATION. <br />2. THIS SWPPP INCLUDES BOTH PERMANENT AND TEMPORARY BEST MANAGEMENT PRACTICES (BMPs). THE LOCATION <br />AND TYPE OF BMPs ARE DEPICTED ON THE GRADING, DRAINAGE AND EROSION CONTROL PLAN. CONSTRUCT ALL <br />BMPs IN ACCORDANCE WITH THE APPLICABLE DETAILS IN THESE PLANS. <br />3. DISCHARGE OF ANY MATERIAL OTHER THAN STORMWATER OR DISCHARGES ASSOCIATED WITH DEWATERING FROM THE <br />SITE ARE PROHIBITED. <br />4. THIS SWPPP IS NOT DESIGNED FOR DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY. PERMITTEES MUST OBTAIN <br />COVERAGE FOR DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITIES UNDER A SEPARATE NPDES PERMIT AFTER <br />DAY TO DAY OPERATION ACTIVITIES COMMENCE EVEN IF CONSTRUCTION IS ONGOING. <br />5. PERMITTEES MUST SUBMIT A NOTIFICATION OF TERMINATION WITHIN 30 DAYS OF TERMINATION OF PROJECT. THE <br />CITY OF BECKER MUST APPROVE THE NOTICE OF TERMINATION BEFORE IT IS SUBMITTED TO THE MPCA. <br />PROJECT CONTACTS: <br />DESCRIPTION COMPANY <br />OWNER WILDLIFE RESEARCH <br />CENTER, INC. <br />CONTRACTOR RJ RYAN <br />SWPPP DESIGNER <br />CONTACT PERSON <br />SAM BURGESON <br />JOHN GROTKIN <br />HAKANSON ANDERSON SAM JOCHUM <br />ANTICIPATED CONSTRUCTION SEQUENCE: <br />1. PERIMETER SEDIMENT CONTROL SHALL BE INSTALLED PRIOR TO ANY EARTH DISTURBING ACTIVITIES. <br />2. CONSTRUCT STABILIZED CONSTRUCTION ENTRANCE. <br />3. CLEARING AND GRUBBING, REMOVAL OF IMPERVIOUS SURFACES, AND REMOVALS OF EXISTING UTILITIES. <br />4. CONSTRUCT GRADING, UTILITIES, BUILDING AND PARKING AREA. <br />5. STABILIZE ALL UPGRADIENT AREAS. <br />PROJECT INFORMATION: <br />DISTURBED AREA (ACRES) 4.7100 <br />EXISTING IMPERVIOUS SURFACE (ACRES) 0.8100 <br />PROPOSED IMPERVIOUS SURFACE (ACRES) 1.5040 <br />PLANNED CONSTRUCTION START DATE 9/1/2026 <br />ESTIMATED CONSTRUCTION COMPLETION DATE 12/1/2027 <br />COUNTY ANOKA <br />LATTITUE 45.2336 <br />LONGITUDE -93.4302 <br />PHONE <br />763-427-3350 <br />651-443-2000 <br />763-427-5860 <br />TEMPORARY SEDIMENT BASINS: <br />1. TEMPORARY SEDIMENT BASINS ARE REQUIRED WHERE 10 OR MORE ACRES DRAIN TO A COMMON LOCATION. <br />TEMPORARY SEDIMENT BASINS MUST HAVE A LIVE STORAGE FOR A 2 YEAR, 24 HOUR STORM EVENT OR 1800 CUBIC <br />FEET PER ACRE DRAINED. <br />MORE THAN 10 ACRES OF DISTURBED AREA NO <br />DRAINING TO COMMON LOCATION <br />aH of the State of Minnesota. ! DRAWN BY: <br />� �_ IDM <br />i- SAMUEL G. JOCHUM, P.E. CHECKED BY: <br />Dates-18-26 Lic. No 61933 CJJ <br />� 1 <br />TEMPORARY SEDIMENT BASIN REQUIRED NO <br />ft <br />' <br />VOLUME REQ'D BASED ON 2-YEAR STORM OR NOT APPLICABLE <br />1800 CF / ACRE <br />TIMING OF EROSION CONTROL: <br />1. RIPRAP AND GEOTEXTILE FILTER SHALL BE INSTALLED WITHIN 24 HOURS OF THE OUTLET PLACEMENT <br />i 2. THE CONTRACTOR MUST STABILIZE ALL EXPOSED SOIL IMMEDIATELY TO LIMIT SOIL EROSION WHEN CONSTRUCTION <br />0 ACTIVITY HAS PERMANENTLY OR TEMPORARILY CEASED AND WILL NOT RESUME FOR A PERIOD EXCEEDING SEVEN <br />CALENDAR DAYS. <br />3. ADJACENT TO SURFACE WATERS, STABILIZE THE NORMAL WETTED PERIMETER OF THE LAST 200 LINEAL FEET OF <br />z PERMANENT OR TEMPORARY DRAINAGE DITCHES OR SWALES WITHIN 24 HOURS. <br />i 4. DURING FISH SPAWNING TIME FRAMES, STABILIZE ALL EXPOSED AREAS WITHIN 200 FEET OF THE WATERS EDGE WITHIN <br />`24 HOURS IF WITHIN THE RESTRICTION PERIOD. <br />N <br />a <br />o I herebycertifythat thisplan, specification, or report was DESIGNED BY: <br />o DATE REVISION P P <br />6/11/26 CITY REVIEW NO.1 prepared by me or under my direct supervision and that I SGJ <br />am a duly Licensed Professional Engineer under the laws <br />SURFACE WATERS MAP <br />Anoka' <br />Techn Oa <br />- <br />\Ilej <br />IS•SdS'DP.PINNA<INONAI.J <br />RtECRtEATIAN <br />Gov <br />Eenter <br />ilG� R'24W <br />ztagmkt7 <br />•. — <br />gmmxi <br />Hakanson Anderson <br />Civil Engineers and Land Surveyors <br />3601 Thurston Ave., Anoka, Minnesota 55303 <br />763-427-5860 FAX 763-427-0520 <br />www.hakanson—anderson.com <br />WILDLIFE RESEARCH ADDITION <br />SWPPP <br />CITY OF RAMSEY, MINNESOTA <br />2165.12 <br />