04/25/2007 Env Bd Packet - Laserfiche WebLink

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• E -06 05/06 NO SCALE SITE LOCATION MAP NOT TO SCALE 7 ACRPS CR I FSS OF DRAINAGE AREA. (DONNSIREAY VFW) 2 -1O ACRFS OF DRANAGE AREA ROCK CHECK DAM M FRA USGS MAP NOT TO SCALE CONSTRUCT r HIGH BERM NTH MAX AM 510E SLOPE CF 4:1 x103 GRAVEL E -07 05/06 NO SCALE NOTE DIE R0O( ENTRANCES SHALL BE INSTALLED PRIOR 7D THE START (IF ANY 511E NORF( THE ROCK ENTRANCES SHALL IF INSPECTED FELDIING EACH RAINFALL MAINTENANCE OF THE RO ( ENTRANCES SHALL INCWOE A TOP DRESSING OF NEW GRAVEL OR REMOVAL AND REPLACEENT OF TIE GRAVEL AS NEEDED, TO KEEP THE ENTRANCE FREE FROM COLLECTED MUD. ROCK ENTRANCE DRIVE 2'=2 rom POSTS 4.13. 0.G VFRA Yfami GWllMs A� ;AG E -1D 05/06 NO SCALE DIRECTION Cr DRAINAGE MORE STRINGENT SPECIFICATION SHALL APPLY. 2 114E CWTRACTOR 15 SPECIFICALLY CAUTIONED THAT THE LOCATIONS AND /OR ELEVATIONS OF EXISTING UTILITIES AS SHOWN ON THESE PLANS ARE BASED ON RECORDS OF THE VARIOUS UTIUTY COMPANIES AND, WHERE POSSIBLE. MEASUREMENTS TAKEN IN THE FIELD. THE SUBSURFACE UTILITY INFORMATION SHOWN ON THESE PLANS IS A UTIUTY QUALITY LEVEL D. THIS QUALITY LEVEL WAS DETERMINED ACCORDING TO THE GUIDWNES OF Cl/ASCE 38-02. ENTITLED STANDARD GUIDELINES FOR THE COLLECTION AND DEPICTION OF EXISTING SUBSURFACE UTIUTY DATA.' THE INFORMATION I5 NOT TO BE RELIED ON AS BEING EXACT OR COMPLETE THE CONTRACTOR MUST CONTACT ALL THE APPROPRIATE UTIUTY COMPANIES AT LEAST 48 HOURS BEFORE ANY EXCAVATION TO REQUEST EXACT FIELD LOCATION OF UTLrt1ES. IT SHALL BE 114E RESPONSBWTY OF 114E CONTRACTOR TO RELOCATE ALL EXISTING UTILITIES WHICH CONFLICT WITH THE PROPOSED IMPROVEMENTS SHOWN ON THE PLANS. THE LOCATIONS OF SMALL UTILITIES SHALL BE OBTAINED BY THE CONTRACTOR BY CAWNG MINNESOTA GOPHER STATE ONE CALL AT 800- 252 -1166 OR 651- 454 -0002 3 'NE GENERAL CONTRACTOR SHALL TAKE ALL PRECAUTIONS NECESSARY TO AVOID PROPERTY DAMAGE TO ADJACENT PROPERTIES DURING THE CONSTRUCTION PHASES OF 114(5 PRO.ECT. THE CONTRACTOR WILL BE HELD SOLELY RESPONSIBLE FOR ANY DAMAGES OCCURRING TO THE ADJACENT PROPERTIES DURING THE CONSTRUCTION PHASES OF 1X15 PROJECT. THE STORMWATER POLL611ON PREVENTION PLAN (SWPPP) IS COMPRISED OF THIS DRAWING (EROSION 8 SEDIMENTATION CONTROL PLAN -ESC PLAN), THE STANDARD DETAILS. THE PLAN NARRATIVE, ATTACHMENTS INCLUDED IN THE 91EWORK SPECIFICATIONS SECTION 02370 (SWPPP). PINS THE PERMIT AND ALL SUBSEQUENT REPORTS AND RELATED DOCUMENTS. 5 THE CONTRACTOR SHALL BE RESPONSIBLE FOR COMPLETING k SUBMITTING THE APPLICATION FOR THE MPCA GENERAL STORMWATER PERMIT FOR CONSTRUCTION ACTIVITY. ALL CONTRACTORS AND SUBCONTRACTORS INVOLVED WITH STORM WATER POLLUTION PREVENTION SHALL OBTAIN A COPY OF THE SWPPP AND THE STATE OF MINNESOTA NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM GENERAL PERMIT (NPDES PERMIT) AND BECOME FAMTUAR WI1H THEIR CONTENTS 'RE SIM AID ALL DINER RELATED DOCUIO71S MUST BE KIST AT 11E ST1E WRNS CONS1RUC110/ 6. CONTRACTOR SHALL IMPLEMENT BEST MANAGEMENT PRACTICES (BMP'S) AS REQUIRED BY 111E SWPPP & PERMITS THE CONTRACTOR SHALL OVERSEE THE INSPECTION @ MAINTENANCE OF THE BLIP'S AND EROSION PREVENTION FROM BEGINNING OF CONSTRUCTION AND UNTIL CONSTRUCTION IS COMPLETED. IS APPROVED BY ALL AUTHORITIES. THE NOTICE OF TERMINATION (10T) HAS BEEN FILED 'MTH THE MPCA BY EITHER THE OWNER OR OPERATOR AS APPROVED ON PERMIT ADDITIONAL NAPS SHALL BE IMPLEMENTED AS DICTATED BY CONDITIONS AT NO ADDITIONAL COST TO OWNER THROUGHOUT ALL PHASES OF CONSTRUCTION 7. BMP'S AND CONTROLS SHALL CONFORM TO FEDERAL STATE, OR LOCAL REQUIREMENTS LR MANUAL OF PRACTICE. AS APPLICABLE CONTRACTION SMALL MPLEUENT ADDITIONAL CONTROLS AS DIRECTED BY PERMITTING AGENCY OR OWNER. 8. ESC PLAN MUST CLEARLY DELINEATE ALL STATE WATERS. PERMITS FOR ANY CONSTRUCTION ACTIVITY IMPACTING STATE WATERS OR REGULATED WETLANDS MUST BE MAINTAINED ON Sill AT ALL TWES. 9. GENERAL CONTRACTOR SHALL DENOTE ON PLAN THE TEMPORARY PARKING AND STORAGE AREA WHICH SHALL ALSO BE USED AS THE EQUIPMENT MAINTENANCE AND CLEANING AREA, EMPLOYEE PARKING AREA AND AREA FOR LOCATING PORTABLE FACTURES. OFFICE TRAILERS. AND TOILET FACILITIES 10. ALL WASH WATER (CONCRETE TRUCKS, VEHICLE CLEANING, EQUIPMENT CLEANING, ETC.) MUST BE LIMITED TO A DEFINED AREA OF THE SITE AND SHALL BE CONTAINED AND PROPERLY TREATED OR DISPOSED. ND ENGINE DEGREASING I5 ALLOWED ON SITE. 11. SUFFICIENT OIL AND GREASE ABSORBING MATERIALS AND FLOTATION BOWS SHALL BE MAINTAINED ON SITE OR READL1 AVAILABLE TO CONTAIN AND CLEAN -UP FUEL OR CHEMICAL SPILLS AND LEAKS 12. DUST ON THE SITE SHALL BE CONTROLLED. THE USE O MOTOR OILS AND OTHER PETROLEUM BASED OR TDXLC U0JID5 FOR DUST SUPPRESSION OPERATIONS 15 PROHIBITED. 13. SOLO NAVE COLLECTED SEDIMENT. ASPHALT A CONCRETE MILLINGS. FLOATING DEBRIS. PAPER, PLASTIC, FABRIC. CONSTRUCTION k DEMOLITION DEBRIS 3 OTHER WASTES MUST BE DISPOSED OF PROPERLY k MUST COMPLY WITH MPCA DISPOSAL REOJRNEMENTS. 14. HAZARDOUS MATERIALS: OIL GASOLINE. PAINT k ANY HAZARDOUS SUBSTANCES MUST BE PROPERLY STORED, INCLUDING SECONDARY CONTAINMENT, TO PREVENT SPILLS. LEAKS OR OTHER DISCHARGE. RESTRICTED ACCESS TO STORAGE AREAS MUST BE PROVIDED TO PREVENT VANDAUSA. STORAGE & DISPOSAL OF HAZARDOUS WASTE MUST BE 1N COMPLIANCE NM MPCA REGULATIONS 15. ALL 5TORHA WATER POLLUTION PREVENTION MEASURES PRESENTED ON THIS PLAN, AND IN THE SWPPP, SHALL BE INITIATED AS SOON AS PRACTICABLE AND PRIOR TO ANY 0IEWORK. 15 DISTURBED PORTIONS OF THE SITE WHERE CONSTRUCTION ACTIVITY HAS STOPPED SHALL BE TEMPORARILY SEEDED. SEEDING SHALL BE IN ACCORDANCE WITH MN/DOT SPEC. 2575 0 10DL85 /ACNE (0R APPROVED EQUAL) AND IN ACCORDANCE WITH 711E FOLLOWING GUIDWNES: 0411E OF 5L0PE MME STEEPER THAN 3:1 7 DAYS 10:1 TO 3:1 14 DAYS (MAX RUE AN AREA CAN REMAIN OPEN WHEN THE AREA IS NOT ACTIVELY BEING WORKED) FLATTER THAN 10:1 21 DAYS 17. DISTURBED PORTIONS DF THE 910 WHERE CONSTRUCTION ACTIVITY HAS PERMANENTLY STOPPED SHALL BE PERMANENTLY SEEDED. THESE AREAS SHALL BE SEEDED IN ACCORDANCE 1M114 THE TIME TABLE DESCRIBED ABOVE REFER TO THE GRADING PUN AND /0R LANDSCAPE PLAN FOR VEGETATIVE COVER. TEL CONTRACTORS OR SUBCONTRACTORS WILL BE RESPONSIBLE FOR REMOVING SEDIMENT FROA CONVEYANCES k FROM TEMPORARY SEDIMENTATION BASINS THAT ARE TO BE USED AS PERMANENT WATER OUA1ITY MANAGEMENT BASINS. SEDIMENT FAUST BE STABILIZED TO PREVENT IT FROM BENG WASHED BACK INTO THE BASIN, CONVEYANCES. OR DRAINAGEWAYS DISCHARGING OFF -91E OR TO SURFACE WATERS. THE CLEANOUT OF PERMANENT BASINS FAUST BE SUFFICIENT TO RETURN THE BASH TO DESIGN CAPACITY. I9. ON -9TE W OFT-SITE SOIL STOCKPLE AND BORROW AREAS SHALL BE PROTECTED FROM EROSION AND SEDIMENTATION THROUGH IMPLEMENTATION OF BMP'S. STOCKPILE AND BORROW AREA LOCATIONS SHALL BE NOTED ON THE SITE MAP AND PERMITTED IN ACCORDANCE WITH GENERAL PERMIT REQUIREMENTS_ 20. TEMPORARY SOIL STOCKPILES MUST HAVE SILT FENCE OR OTHER EFFECTIVE SEDIMENT CONTROLS & CANNOT BE PLACED N SURFACE WATERS, INCLUDING STORMWATER CONVEYANCES SUCH AS CURB & GUTTER SYSTEMS OR CONDUITS & DITCHES. 21. SLOPES SHALL BE LEFT N A ROUGHENED CONDITION DURING THE GRADING PHASE TO REDUCE RUNOFF VELOCITIES AND EROSION. 22. DUE 1D THE GRADE CHANGES DURING THE DEVELOPMENT OF THE PROJECT, THE CONTRACTOR SHALL BE RESPONSIBLE FOR ADJUSTING THE EROSION CONTROL MEASURES (5LT FENCES, CHECK DAMS, MILD- PROTECTION DEVICES ETC.) TD PREVENT EROSION. 23. ALL CONSTRUCTION SHALL BE STABILIZED AT THE END OF EACH WORKING DAY, 111I5 INCLUDES BACKFIWNG OF TRENCHES FOR UTILITY CONSTRUCTION AND PLACEMENT OF GRAVEL OR BITUMINOUS PAVING FOR ROAD CONSTRUCTION. MAINTENANCE: ALL MEASURES STATED ON THIS EROSION AND SEDIMENT CONTROL PLAN. AND IN THE STORM WATER POLLUTION PREVENTION PLAN SHALL BE MAINTAINED N FULLY FUNCTIONAL CONDITION UNTIL NO LONGER REQUIRED FOR A COMPLETED PHASE OF WORK OR 0NAL STABILIZATION OF THE SITE THE DESIGNATED CONTACT PERSON NOTED ON THIS PLAN MUST ROUTINELY INSPECT THE CONSTRUCTION ON SITE ONCE EVERY SEVEN DAYS WRING ACTIVE CONTRUCTION AND WHIN 24 HOURS AFTER A RAINFALL EVENT GREATER THAN 0.5 INCHES N 24 HOURS. Al EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE CLEANED AND REPAIRED N ACCORDANCE WITH THE FOLLOWING: I. ALL STORM DRAIN INLETS MADE OPERABLE DURING CWSTRUCTION MUST BE PROTECTED BY APPROPRIATE BMP'S UNTIL ALL 501JRCE5 NTH POTENTIAL FOR DISCHARGING TO THE INLET HAVE BEEN STABIUZED. 2 ALL SEEDED AREAS SHALL BE CHECKED REGULARLY TO SEE THAT A COCO STAND 145 MAINTAINED. AREAS SHOULD BE FERTILIZED, WATERED, AND RESEEDED AS NEEDED. 3. SILT FENCES SHALL BE REPAIRED. REPLACED CR SUPPLEMENTED TO THEN ORIGINAL CONDITIONS IF DAMAGED. SEDIMENT SHALL BE REMOVED FROM THE SILT FENCES WHEN IT REACHES ONE -THIRD THE HEIGHT OF 711E SILT FENCE. THESE REPAIRS MUST BE MADE WITHIN 24 HOURS OF DISCOVERY, OR AS SOON AS FIELD CONDITIONS ALLOW ACCESS. 4. VEHICLE TRACKING LF SEDIMENT FROM THE CONSTRUCTION SITE MUST BE MINIMIZED BY BMP'5 SUCH AS STONE PADS, CONCRETE OR STEEL WASH RACKS, OR EQUIVALENT SYSTEMS. STREET SWEEPING MUST BE USED 1F SUCH BMP'5 ARE NOT ADEQUATE TO PREVENT SEGMENT FROM BEING TRACKED 0NTD THE STREET. TRACKED 5FOMENT MUST BE REMOVED FROM ALL OFF -SITE PAVED SURFACES WHIN 24 HOURS OF DISCOVERY OR SOONER. 5. THE 7EMP0RARY PARKING AND STORAGE AREA SHALL BE KEPT IN GOOD CONDITION (SUITABLE FOR PARKING AND STORAGE). THIS MAY REQUIRE PERIWIG TOP DRESSING O THE TEMPORARY PARKING AS CONDITIONS DEMAND. 6. OUTLET STRUCTURES IN IRE TEMPORARY AND PERMANENT SEDIMENTATION BASINS SHALL BE MAINTAINED IN OPERATIONAL CONDITIONS AT ALL TIMES. SEDIMENT SHALL BE REMOVED FROM SEDIMENT BASINS OR TRAPS WHEN THE DESIGN CAPACITY REACHES ONE -HALF THE STORAGE VOLUME. DRAINAGE & REMOVAL FAUST BE COMPLETED WITHIN 72 HOURS OF DISCOVERY OR AS SOW AS FIELD CONDITIONS ALLOW ACCESS. FLIER FABRIC (111RAFI- ENVRNO FENCE ON APPROVED EQUAL) 104. 30. - MAIL 36' ABOVE GRADE TRENCH 6- = 6' FRA Yfmbfarlrl JAHmlA`c SILT FENCE DETAIL L „N rY C Pty f'' L� 0 O a 00 51 O CD CO 1 5 CO m i 0 a SHEET NUMBER C -5.03 REV. MFRA FILE j 16172