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HomeMy WebLinkAbout2015 New HomeF a AF IR U I L R S OF LOT `r. B.Lf.,-)CK 1, ill�.,�-.,#.'..-,�-",-,-N,5-�'iT,..-f-l�-"A�".",Nr,",kqo���������� f \J f / f, F .R i f / ' % f '� / I / 1 3a-- s a PROPOSED t �I VV PRSSfC SILT F }C 4/ y DECK P \ i \. g�'` \Rorei_o 2 i_ X } \ J X �C X X / 4i 117 0\ "'CCC 176- -�=- o ti \ / / 7/1, X \ 1 \ \ \ 1 l6 t1 \ \� ! SLS`' � \ STS ---- - --/ I Lt i V 00, \ , No / 1 0) , t---�_---- ------ --- 1 .N tIt 1 ' 0 C) 1I r� �IC3'1 8 _9'�'' V y'�IF f / I11 s. xF:.ckR i _ { \ W - I, E_' FE ) �� >r U \ HOZ t 4 I Pry �i + nk' `.I.1 r r. 0283; ^ g .z s \7`? 01,4 �arq¢St - 56d-L""Lf NAIL V=30' spa STEEL OR ATTACH FILTER WOOD POST \ FABRIC SECURE, Y Al 10 UPSTREAM !y SIDE OF POST EXTRA STRENGTH FILTER FABRIC NEEDED WITHOUT WIRE MESH SUPPORT 10' MAXIMUM SPACING WITH STEEL OR WOOD WIRE SUPPORT FENCE; POST iii" HIGH 6' MAXIMUM SPACING WITHOUT MAXIMUM WIRE SUPPORT FENCE PONDING HEIGHT IG HT PONDING HEI HT G 3/4" MIN. DRAIN ROCK FLOW 9" MAX. FLOW 2" MIN. 12" MIN. C4"xB" TRENCH WITH COMPACTED BACKFILL TRENCH DETAIL INSTALLATION WITHOUT TRENCHING NOTES : 1. SILT FENCE SHALL. BE PLACED ON SLOPE. CONTOURS TO MAXIMIZE PONDING EFFICIENCY. 2. INSPECT AND REPAIR FENCE AFTER EACH STORM EVENT AND REMOVE SEDIMENT WHEN NECESSARY. 9" MAXIMUM RECOMMENDED STORAGE HEIGHT. 3. REMOVED SEDIMENT SHALL BE DEPOSITED TO AN AREA THAT WILL NOT CONTRUBUTE SEDIMENT OFF-SITE AND CAN BE PERMANENTLY STABILIZED. j SILT FENCE (DETAIL. !_ NO SCALE SITE DEWATERING PRACTICES: `:. WATER PUMPED FROM THE SITE SHALL BE TREATED BY TEMPORARY SEDIMENTATION BASINS, GRIT CHAMBERS, SAND FILTERS, UPFLOW CHAMBERS, HYDROCYCLONES, SWIRL CONCENTRATORS OR OTHER APPROPRIATE CONTROLS AS APPROPRIATE. ALL WATER FROM DEWATERING MUST BE DISCHARGED IN A MANNER THAT DOES NOT CAUSE NUISANCE CONDITIONS, EROSION IN RECEIVING CHANNELS OR ON DOWNSLOPE PROPERTIES, OR INUNDATION IN WETLANDS CAUSING SIGNIFICANT ADVERSE IMPACT TO THE WELAND. 2. ALL DISCHARGE POINTS MUST 8E ADEQUATELY PROTECTED FROM EROSION AND SCOUR, THE DISCHARGE MUST BE DISPERSED OVER NATURAL ROCK RIPRAP, SAND BAGS, PLASTIC SHEETING OR OTHER ACCEPTED ENERGY DISSIPATION MEASURES. ADEQUATE SEDIMENTATION CONTROL MEASURES ARE REQUIRED FOR DISCHARGE WATER THAT CONTAINS SUSPENDED SOLIDS. FINAL STABILIZATION THE CONTRACTOR MUST ENSURE FINAL STABILIZATION OF THE SITE. THE CONTRACTOR MUST SUBMIT A NOTICE OF TERMINATION (NOT) WITHIN 30 DAYS AFTER FINAL STABILIZATION is COMPLETE, OR ANOTHER OWNER/OPERATOR (PERMITEE) HAS ASSUMED CONTROL OF ALL AREAS OF THE SITE THAT HAVE NOT UNDERGONE FINAL STABILIZATION. FINAL STABILI17ATION CAN BE ACHIEVED IN ONE OF THE FOLLOWING WAYS: A€1_ SOIL. DISTURBING ACTIVITIES AT THE SITE HAVE BEEN COMPLETED AND ALL SOILS MUST BE STABIL€ZED BY A UNIFORM PERENNIAL VEGETATIVE COVER WITH A DENSITY OF 70 PERCENT OVER THE ENTIRE PERVIOUS SURFACE AREA, O O i HER EQUIVALENT MEANS NECESSARY TO PREVENT SOIL FAII_JRE UNDER EROSIVE CONDITIONS AND: A ALL DRAINAGE DITCHES, CONSTRUCTED TO DRAIN 'WATER FROM THE SITE AFTER CONSTRUCTION IS COMPLETE, MUST BE STABILIZED TO PRECLUDE EROSION, B. ALL TEMOPRARY SYNTHETIC, AND STRUCTURAL EROSION PREVENTION AND SEDIMENT BMPS (SUCH AS SILT FENCE) MUST BE REMOVED AS PART OF THE SITE FINAL STABILIZATION: C THE CONTRACTORS MUST CLEAN OUT ALL SEDIMENT FROM CONVEYANCES AND FROM TEMPORARY SEDIMENT BASINS THAT ARE TO BE USED AS PERMANENT WATER QUALITY MANAGEMENT BASINS. SEDIMENT MUST" BE STABILIZED TO PREVENT IT FROM BEING WASHED BACK INTO THE BASIN, CONVEYANCES OR DRAINAGE WAYS DISCHARGING OFF-SITE OR TO SURFACE WATERS. THE CLEAN OUT OF PERMANENT BASINS MUST BE SUFFICIENT- TO RETURN THE BASIN TO DESIGN CAPACITY. EROSION AND EDIMENT CONTROL 1. PRIOR TO ANY CONSTRUCTION OR DEMOLITION, SILT FENCE AND FILTERS MUST BE INSTALLED. 2. A EROSION ALL ER4 O CONTROL INSTALLATIONS SHALL REMAIN EMA N IN PLACE AND BE MAINTAINED IN <30UD CONDITION BY THE CONTRACTOR UNTIL THE SITE HAS BEEN RE -VEGETATED, CONTRACTOR MAY REMOVE NECESSARY SILT FENCING/FILTERS TO CONSTRUCT ROADWAYS, WHILE MAINTAINING ADEQUATE EROSION CONTROL IN ADJACENT AREA. 3. THE CONTRACTOR SHALL SCHEDULE SITE GRADING, UTILITY INSTALLATION AND PAVEMENT CONSTRUCTION SO THAT THE GENERAL SITE CAN BE MULCHED AND RESEEDED SOON ASTER DISTURBANCE. AREAS THAT WILL NOT BE SUBJECT TO CONSTRUCTION TRAFFIC SHALL BE SEEDED (MnDOT MIX 190 @ 100#/AC AND MULCHED OR SODDED WITHIN SEVEN DAYS OF BEING DISTURBED. 4, CONTRACTOR SHALL INSTALL EROSION CONTROL DEVICES AS INDICATED ON THIS EROSION CONTROL PLAN AND ANY ADDITIONAL REQUIRED, BASED ON MEANS, METHODS AND SEQUENCES OF CONSTRUCTION, 5. BEST MANAGEMENT PRACTICES (BMP'S) REFER TO EROSION AND SEDIMENT CONTROL PRACTICES DEFINED IN THE MPCA PROTECTING WATER QUALITY IN URBAN AREAS AND THE MINNESOTA CONSTRUCTION SITE EROSION AND SEDIMENT CONTROL PLANNING HANDBOOK. 6. ALL BMP'S SELECTED SHALL BE APPROPRIATE FOR THE TIME OF YEAR. SITE CONDITIONS, AND ESTIMATED DURATION OF USE. 7. ALL SEPTIC AREAS ARE TO BE FENCED OFF FOR PROTECTION. PROTECTION TO EXTEND MINIMUM OF 20' OUTSIDE OF SEPTIC AREAS. 8. INSTALL PERIMETER CONTROL DEVICES AROUND ANY DIRT STOCKPILE AREAS. 9. THE CONTRACTOR MUST SCHEDULE HIS OPERATIONS TO MINIMIZE THE AMOUNT OF DISTURBED ".RFA AT ANY GIVEN TIME. THE 'CONTRACTOR -MUST -LIMIT THEIR ACT€VITiES 'O THE -GRA i#HITS SHOWN. 10. EROSION CONTROL BLANKETS MUST BE INSTALLED BETWEEN THE NWL AND HWL OF AN PROPOSED POND AFTER FINAL GRADING. 11, WHEREVER POSSIBLE, PRESERVE THE EXISTING TREES, GRASS AND OTHER VEGETATIVE COVER TO HELP FILTER RUNOFF. 12. ALL TREES NOT LISTED FOR REMOVAL SHALL BE PROTECTED. DO NOT OPERATE EQUIPMENT WHiTHIN THE DRIPLINE, ROOT ZONES OR WITHIN THE TREE PROTECTION FENCE AREA. 13, SILT FENCE IS REQUIRED AT DOWN GRADIENT PERIMETER OF DISTURBED AREAS AND STOCKPILES. PROTECT WETLANDS, WATERCOURSES AND ADJACENT PROPERTIES FROM SEDIMENTATION AND STORMWATER RUNOFF. 14. THE BMP'S SHOWN ON THE PLANS ARE THE MINIMUM REQUIREMENTS FOR THE ANTICIPATED SITE CONDITIONS, AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS, DICTATE, THE PERMITEEICONTRACTOR SHALL ANTICIPATE THAT MORE BMP'S WILL BE NECESSARY TO ENSURE EROSION AND SEDIMENT CONTROL ON THE SITE. DURING THE COURSE OF CONSTRUCTION, IT IS THE RESPONSIBILITY OF THE PERMITEE(CONTRACTOR TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY CONSTRUCTION ACTIVITIES AND/OR CLIMATIC EVENTS. 15. PROVIDE ADDITIONAL BMP'S OVER AND ABOVE THE MINIMUM REQUIREMENTS SHOWN'CN THE PLANS, AS MAY BE NEEDED TO PROVIDE EFFECTIVE PROTECTION OF WATER AND SOIL RESOURCES. 16. OPERATE TRACK EQUIPMENT (DOZER) UP AND DOWN EXPOSED SOIL SLOPES ON FINAL PASS, LEAVING TRACK GROOVES PERPENDICULAR TO THE SLOPE. DO NOT BACK -BLADE. LEAVE A SURFACE ROUGH TO MINIMIZE EROSION. - 17. ALL AREAS DISTURBED BY CONSTRUCTION L STURBE SHALL BE7A I S BIL ZED FROM EROSION WITHIN 15 DAYS OF SUBSTANTIAL COMPLETION OF GRADING IN THAT AREA. TEMPORARY SEED AND MULCH SHALL COVER ALL EXPOSED SOILS IF GRADING COMPLETION IS DELAYED )- LONGER THAN 15 DAYS. PERMANENT SEED AND MULCH IS REQIURES WITHIN 15 DAYS OFF COMPLETION OF FINAL GRADING. 18. GENERAL TEMPORARY SEED SHALL BE MNDOT MIX 190 @ 100 LBS. PER ACRE OR APPROVED EQUAL. PERMANENT SEED SHALL BE MNDOT MIX 270 @ 120 LBS PER ACRE OR APPROVED EQUAL. (PLANTING DATES PER SPEC 2575) MULCH SHALL BE MNDOT TYPE 1 (CLEAN OAT STRAW) m Z TONS PER ACRE AND DISK ANCHORED IN PLACE OR APPROVED EQUAL. FERTILIZER SHALL BE 80-80-80 NPK PER ACRE. (UNLESS P RESTRICTIONS APPLY) AND INCORPORATED INTO THE SEED BED. 19. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE PROPERLY DISPOSED OF WITHIN THIRTY (30) DAYS AFTER FINAL SITE STABILIZATION IS ACHIEVED OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED. 20. REPORT ALL FOUND FIELD TILES TO THE ENGINEER FOR EVALUATION. 21. CHANNELIZED RUNOFF FROM ADJACENT AREAS RUNNING THROUGH THE SITE SHALL BE DIVERTED AROUND DISTURBED AREAS, IF PRACTICAL. DIVERTED RUNOFF SHALL BE CONVEYED IN A MANNER THAT WILL NOT ERODE THE CONVEYANCE AT RECEIVING CHANNELS. ALL TEMPORARY OR PERMANENT DRAINAGE CHANNELS MUST BE STABILIZED WITHIN 24 HOURS OF BEING CONNECTED TO A WATER OF THE STATE. SEDIMENT CONTROL IS REQUIRED ALONG CHANNEL EDGES TO REDUCE SEDIMENT REACHING THE CHANNEL. 22. ALL ACTIVITIES ON THE SITE SHALL BE CONDUCTED IN A LOGICAL SEQUENCE TO MINIMIZE THE AREA OF BARE SOIL EXPOSED AT ANY ONE TIME. 23. ALL DISTURBED GROUND LEFT INACTIVE FOR 14 OR MORE DAYS MUST HAVE TEMPORARY OR PERMANENT STABILIZATION TEAR ROUND. 24. FOR SITES WITH MORE THAN TEN ACRES DISTURBED AT ONE TIME, OR IF A CHANNEL ORIGINATES IN THE DISTURBED AREA, ONE OR MORE TEMPORARY OR PERMANENT SEDIMENTATION BASINS SHALL BE CONSTRUCTED. EACH SEDIMENTATION BASIN SHALL HAVE A SURFACE AREA OF AT LEAST ONE PERCENT OF THE AREA DRAINING TO THE BASIN AND AT LEAST THREE FEET OF DEPTH AND CONSTRUCTED IN ACCORDANCE WITH ACCEPTED DESIGN SPECIFICATIONS. SEDIMENT SHALL BE REMOVED TO MAINTAIN A DEPTH OF THREE FEET. THE BASIN DISCHARGE RATE SHALL. ALSO BE SUFFICIENTLY LOW AS TO NOT CAUSE EROSION ALONG THE DISCHARGE CHANNEL OR THE RECEIVING WATER. 25, PERIMETER SEDIMENT CONTROL MEASURES SHALL BE PLACED ALONG ALL DOWN GRADIENT PERIMETERS OF THE SITE, IF A CHANNEL OR AREA OF CONCENTRATED RUNOFF PASSES THROUGH THE SITE, PERIMETER SEDIMENT CONTROL MEASURES SHALL BE PLACED ALONG THE CHANNEL EDGES TO REDUCE SEDIMENT REACHING THE CHANNEL, ALL DOWN GRADIENT PERIMETER SEDIMENT CONTROL MEASURES MUST INCLUDE A MAINTENANCE AND INSPECTION SCHEDULE 26, ANY SOIL OR DIRT STORAGE PILES CONTAINING MORE THAN TEN CUBIC YARDS OF MATERIAL SHOULD NOT BE LOCATED WITHIN 25 FEET FROM A ROADWAY OR DRAINAGE CHANNEL. IF REMAINING FOR MORE: THAN 14 DAYS, THEY SHALL BE STABILIZED BY MULCHING VEGETATIVE COVER, TARPS OR OTHER MEANS AND ENCLOSED WITH DOWN GRADIENT PERIMETER SEDIMENT CONTROLS. PILES WHICH WILL BE IN EXISTENCE FOR LESS THAT 14 DAYS SHALL BE ENCLOSED WITH PERIMETER SEDIMENT CONTROLS- 27- PIPE OUTLETS MUST HAVE ENERGY DISSIPATION INSTALLED WITHIN 24 HOURS OF CONNECTION TO WATERS OF THE STATE, SEDIMENT CONTROL PRACTICES: 1. SEDIMENT CONTROL PRACTICES MUST MINIMIZE SEDIMENT FROM ENTERING SURFACE WATERS, INCLUDING CURB AND GUTTER SYSTEMS AND STORM INLETS. 2. SEDIMENT CONTROL PRACTICES MUST BE ESTABLISHED ON ALL DOWN GRADIENT PERIMETERS BEFORE ANY UPGRADIENT LAND DISTURBING ACTIVITIES BEGIN. THESE PRACTICES SHALL REMAIN IN PLACE UNTIL FINAL STABILIZATION HAS BEEN ESTABLISHED, 3. THE TIMING OF THE INSTALLATION OF SEDIMENT CONTROL PRACTICES MAY BE ADJUSTED TO ACCOMMODATE SHORT-TERM ACTIVITIES SUCH AS CLEARING OR GRUBBING, OR PASSAGE OF VEHICLES. ANY SHORT-TERM ACTIVITY MUST BE COMPLETED AS QUICKLY AS POSSIBLE AND THE SEDIMENT CONTROL PRACTICES MUST BE INSTALLED IMMEDIATELY AFTER THE ACT€ViTY IS COMPLETED. HOWEVER, SEDIMENT CONTROL PRACTICES MUST BE INSTALLED BEFORE THE NEXT PRECIPITATION EVENT EVEN IF THE ACTIVITY IS NOT COMPLETE. 4 ALL STORM DRAIN INLETS MUST BE PROTECTED BY APPROPRIATE BMPS DURING CONSTRUCTION UNTIL ALL SOURCES WITH POTENTIAL FOR DISCHARGING INTO THE INLET HAVE BEEN ESTABLISHED_ 5. TEMPORARY SOIL STOCKPILES MUST HAVE SILT FENCES OR OTHER EFFECTIVE SEDIMENT CONTROLS, AND CANNOT BE PLACED IN SURFACE WATERS, INCLUDING STORM WATER CONVEYANCES SUCH AS CURB AND GUTTER SYSTEMS, OR CONDUITS AND DITCHES. ORONO -CUpy ERO ION AND SEDIMENT CONTROL INSPECTION PROGRAM: THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONDUCTING INSPECTIONS OF ALL EROSION AND SEDIMENT CONTROL BMP'S ON SITE. INSPECTIONS AND RAINFALL ON SITE MUST BE DOCUMENTED AND READILY AVAILABLE FOR REVIEW. INSPECTIONS ARE REQUIRED AS FOLLOWES: 1, ONCE EVERY SEVEN DAYS ON EXPOSED SOIL AREAS. 2. WITHIN 24 HOURS AFTER A ONE-HALF INCH OR GREATER RAIN EVENT OVER 24 HOURS, 3. ONCE EVERY 30 DAYS ON STABILIZED AREAS. 4. AS SOON AS RUNOFF OCCURS OR PRIOR TO RESUMING CONSTRUCTION ON FROZEN GROUND. ER I NAND SEp1MENT CONTROL PROURAW 1. WHEN SEDIMENT REACHES 113 THE HEIGHT OF THE BMP ON PERIMETER CONTROL DEVICES, SEDIMENT MUST BE REMOVED WITHIN 24 HOURS OF DISCOVERY 2. IF THE PERIMETER CONTROL DEVICE IS NOT FUNCTIONAL IT MUST BE REPAIRED OR REPLACED WITHIN 24 HOURS OF DISCOVERY. 3. TEMPORARY SEDIMENT BASINS SHALL BE MAINTAINED WHEN SEDIMENT REACHES 112 THE OUTLET HEIGHT OR 112 THE BASIN STORAGE VOLUME. BASINS MUST BE DRAINED OR SEDIMENT REMOVED WITHIN 72 HOURS OF DISCOVERY. 4. SEDIMENT MUST BE REMOVED FROM PAVED SURFACES WITHIN 24 HOURS OF DISCOVERY. 5 EROSION INTO STREETS. WETLANDS OR WATER BODIES: - ' A. IF ERODED`SOILSTINCLUDING TRACKED SOILS FROM :CONSTRUCTION ACSNITES) ENTER OF' APPEAR LIKELY 10 ENTER STREETS. WETLANDS, OR OTHER WATER BODIES, PREVENTION STRATEGIES, CLEANUP AND REPAIR MUST BE IMMEDIATE WITH THE APPROPRIATE APPROVALS FROM THE DNR, MPCA, OR ANY OTHER STATE, FEDERAL. OR LOCAL AGENCIES AS NECESSARY. THE OWNER SHALL PROVIDE ALL TRAFFIC CONTROL AND FLAGGING REQUIRED TO PROTECT THE TRAVELING PUBLIC DURING CLEANUP OPERATIONS. 6. EROSION OFF-SITE: A. IF EROSION BREACHES THE PERIMETER OF THE SITE, THE OWNER SHALL IMMEDIATELY DEVELOP A CLEANUP AND RESTORATION PLAN, OBTAIN RIGHT -OF -ENTRY FROM THE ADJOINING PROPERTY OWNER AND GET APPROPRIATE APPROVALS FROM ALL STATE, FEDERAL, AND LOCAL AGENCIES AS NECESSARY. THEN IMPLEMENT THE CLEANUP AND RESTORATION PLAN WITHIN 48 HOURS OF OBTAINING THE ADJOINING PROPERTY OWNER'S PERMISSION AND APPROVAL FROM ANY APPROPRIATE STATE, FEDERAL, AND LOCAL AGENCIES. CONSTRUCTION SITE PRACTICES: 1. WASTE AND MATERIAL DISPOSAL: A. ALL WASTE, UNUSED BUILDING MATERIAL (INCLUDING GARBAGE DEBRIS, CLEANING WASTES, WASTEWATER, TOXIC MATERIALS OR HAZARDOUS MATERIALS), COLLECTED SEDIMENT, ASPHALT AND CONCRETE MILLINGS, FLOATING DEBRIS, PAPER, PLASTIC, FABRIC, CONSTRUCTION AND DEMOLITION DEBRIS AND OTHER WASTES MUST BE PROPERLY CONTAINED ON SITE AND DISPOSED OF OFF SITE, NOT ALLOWED TO BE CARRIED BY RUNOFF INTO RECEIVING CHANNEL OR STORAGE SEWER SYSTEM. 2. HAZARDOUS MATERIALS: A. OIL, GASOLINE, PAINT AND ANY HAZARDOUS SUBSTANCES MUST BE PROPERLY STORED, INCLUDING SECONDARY CONTAINMENT, TO PREVENT SPILL, LEAKS, OR OTHER DISCHARGE. B. RESTRICTED ACCESS TO STORAGE AREAS MUST BE PROVIDED TO PREVENT VANDALISM, C CONCRETE WASH MUST BE LIMITED TO A DEFINED AREA OF THE SITE AND RUNOFF MUST MUST BE CONTAINED WITHIN THE DEFINED AREA, D. STORAGE OF HAZARDOUS WASTE MUST BE IN COMPLIANCE WITH MPCA REGULATIONS. 3. LIQUID WASTE: A. ALL NON STORMWATER DISCHARGES (CONCRETE TRUCK WASHOUT, VEHICLE WASHING, MAINTENANCE SPILLS, ETC. CONDUCTED DURING THE CONSTRUCTION ACTIVITY MUST COMPLY WITH THE NEWEST VERSION OF THE STATE NPDES PERMIT. 4. SANITARY FACILITIES: A. ADEQUATE ON-SITE SANITARY FACILITIES SHALL BE PROVIDED IN CONVENIENT LOCATION(S) FOR ALL PERSONS WHO WORK ON THE SITE. 5. TRACKING: A. EACH SITE SHALL HAVE GRAVELED ROADS, ACCESS DRIVES AND PARKING AREAS OF SUFFICIENT WIDTH AND LENGTH TO PREVENT SEDIMENT FROM BEING TRACKED ONTO PUBLIC OR PRIVATE ROADWAYS. B. ANY SEDIMENT REACHING A PUBLIC OR PRIVATE ROAD SHALL BE REMOVED BY STREET CLEANING BEFORE THE END OF EACH WORKDAY, S. DRAIN INLET PROTECTION: A. ALL STORM DRAIN INLETS SHALL BE PROTECTED DURING CONSTRUCTION WITH CONTROL MEASURES AS APPROVED BY THE CITY. B. THESE DEVICES SHALL REMAIN IN PLACE UNTIL FINAL STABILIZATION OF THE SITE. C. A REGULAR INSPECTION AND MAINTENANCE PLAN SHALL BE DEVELOPED AND IMPLEMENTED TO ASSURE THESE DEVICES ARE OPERATIONAL AT ALL TIMES. 7. EXTERNAL WASHING OF TRUCKS AND OTHER CONSTRUCTION VEHICLES MUST BE LIMITED TO A DEFINED AREA OF THE SITE. RUNOFF MUST BE CONTAINED AND WASTE PROPERLY DISPOSED OF. NO ENGINE DEGREASING IS ALLOWED ON SITE. QRAUING GENERA( OTE 1. PRIOR TO INITIAL GRADING, THE CONTRACTOR IS RESPONSIBLE TO MAKE SURE ALL REQUIRED PERMITS AND APPROVALS HAVE BEEN OBTAINED, 2. ABSOLUTELY NO CONSTRUCTION, GRADING, OR FABRICATION SHALL BEGIN UNTIL: A. THE CONTRACTOR HAS RECEIVED AND THOROUGHLY REVIEWED ALL PLANS AND OTHER DOCUMENTS APPROVED BY ALL OF THE PERMITTING AUTHORITIES - B. ALL NECESSARY BMP'S ARE INSTALLED. 3, GOPHER STATE ONE CALL (800) 252 - 1166, MUST BE NOTIFIED 48 HOURS PRIOR TO. START OF CONSTRUCTION. 4. ROCK CONSTRUCTION ENTRANCES (PER THE STANDARD DETAIL PLATE) MUST BE PROVIDED AT ALL CONSTRUCTION SITE ACCESS POINTS, 5. TEMPORARY SEDIMENT POND(S) MUST BE ESTABLISHED IN INITIAL PHASE IN ORDER TO CAPTURE RUNOFF DURING GRADING OF THE CONSTRUCTION SITE. 6. ALL IMPROVEMENTS TO CONFORM TO CITY AND COUNTY'S LATEST STANDARDS SPECIFICATION. 7. TOPSOIL MUST BE STRIPPED PRIOR TO ANY CONSTRUCTION. REUSE STOCKPILE ON SITE. 8, IMMEDIATELY FOLLOWING GRADING OF (3:1 OR GREATER) SIDE SLOPES AND DRAINAGE SWALES, WOOD FIBER BLANKET OR OTHER APPROVED SOIL STABILIZING METHOD (APPROVED BY ENGINEER) MUST BE APPLIED OVER SEED MIXTURE WITH A MINIMUM OF 4" TOPSOIL - 9. ALL FINISHED GRADES MUST SLOPE AWAY FROM PROPOSED BUILDINGS AT MINIMUM GRADE OF 2,0%. 10. CONTRACTOR IS REQUIRED TO KEEP A COPY OF THE EROSION CONTROL PLAN ON SITE, AT ALL TIMES. Q 00 U 11 A L6 �05 ;- c: - C ;^ 0 c c q ai O a 00 W t CL c M _ CIS v L d"i T3 � tn�v� .EOJO { a) CSS E- c u CIS Ev a)+-�-' S 0 cu 0 -0 cu , CD V4 l Lu F- Q t� us m z w U) z lA! 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