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STORM WATER POLLUTION PREVENTION PLAN NOTES:
<br />1. GRADING CONTRACTOR SHALL VERIFY LOCATIONS AND ELEVATIONS OF ALL
<br />UNDERGROUND UTILITIES WITH THE RESPECTIVE UTILITY COMPANIES PRIOR TO CONSTRUCTION.
<br />2. ALL EROSION CONTROL MEASURES CALLED FOR ON THESE PLANS AND
<br />SPECIFICATIONS, WHICH MAY INCLUDE SILT FENCE, SEDIMENTATION BASINS
<br />OR TEMPORARY SEDIMENT TRAPS, SHALL BE CONSTRUCTED AND SERVICEABLE
<br />IN THE FOLLOWING ORDER:
<br />A. ROCK CONSTRUCTION ENTRANCES A MINIMUM OF 50 FEET.
<br />B. SILT FENCE.
<br />C. TEMPORARY CULVERTS.
<br />D. TEMPORARY SEDIMENTATION BASINS AND OUTFALL FACILITIES.
<br />E. STORM WATER POND CONSTRUCTION,
<br />F. COMMON EXCAVATION AND EMBANKMENT (GRADING )
<br />G. SEED AND MULCH OR SOD.
<br />H.BIO-ROLL BARRIERS IN FINISHED GRADED AREAS.
<br />I. INLET AND OUTLET FACILITIES SUBSEQUENT TO STORM SEWER WORK.
<br />3. GRADING CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL EROSION CONTROL MEASURES IN ACCORDANCE
<br />WITH CITY AND NPDES PHASE II PERMITTING REQUIREMENTS AS WELL AS EROSION CONTROL MEASURES AS
<br />MAY BE SHOWN ON THESE PLANS OR SPECIFICATIONS. GRADING CONTRACTOR SHALL IMPLEMENT ANY
<br />ADDITIONAL EROSION CONTROL MEASURES AS MAY BE REQUIRED TO PROTECT ADJACENT PROPERTY.
<br />4. ALL EROSION CONTROL FACILITIES SHALL BE MAINTAINED BY THE
<br />CONTRACTOR DURING GRADING OPERATIONS. ANY TEMPORARY FACILITIES WHICH
<br />ARE TO BE REMOVED AS CALLED FOR ON THESE PLANS AND SPECIFICATIONS
<br />SHALL BE REMOVED BY THE GRADING CONTRACTOR WHEN DIRECTED BY THE
<br />ENGINEER. THE GRADING CONTRACTOR SHALL THEN RESTORE THE SUBSEQUENTLY
<br />DISTURBED AREA IN ACCORDANCE WITH THESE PLANS AND SPECIFICATIONS.
<br />5. THE GRADING CONTRACTOR SHALL SCHEDULE THE SOILS ENGINEER SO THAT
<br />CERTIFICATION OF ALL CONTROLLED FILLS WILL BE FURNISHED TO THE OWNER
<br />DURING AND UPON COMPLETION OF THE PROJECT.
<br />6. ALL DISTURBED AREAS, EXCEPT AREAS TO BE PAVED AND/OR SPECIFICALLY DESIGNED BY A LANDSCAPE
<br />PLAN, SHALL BE COVERED WITH A MINIMUM 4" OF TOP SOL. ALL DISTURBED AREAS SHALL BE SEEDED
<br />& MULCHED AT THE PRESCRIBED RATES WITHIN 72 HOURS OF FINAL GRADING UNLESS OTHERWISE NOTED.
<br />SEED MIX: MNDOT NO. 50B 50#/ACRE
<br />MULCH TYPE 1 2 TONS/ACRE (DISK ANCHORED)
<br />FERTILIZER: 150#/ACRE RATE OF APPLICATION 20-10-10
<br />ALL EXPOSED SOIL AREAS WITH A CONTINUOUS POSITIVE SLOPE WITHIN 200 LINEAL FEET OF ANY
<br />SURFACE WATER, MUST HAVE TEMPORARY EROSION PROTECTION OR PERMANENT COVER FOR THE EXPOSED
<br />SOIL AREAS YEAR ROUND, ACCORDING TO THE FOLLOWING TABLE OF SLOPES AND TIME FRAMES.
<br />TYPE OF SLOPE TIME (Maximum time an area can remain open when the area is not
<br />actively being worked)
<br />STEEPER THAN 3:1 7 DAYS
<br />10:1 TO 3:1 14 DAYS
<br />FLATTER THAN 10:1 21 DAYS
<br />7. THE EXISTING TOPOGRAPHY AND CONTOUR ELEVATIONS SHOWN ON THE PLAN WERE TAKEN FROM A PLAN
<br />FURNISHED BY OWNER.
<br />8. CONTRACTORS GRADING AND EROSION CONTROL OPERATIONS SHALL TAKE PLACE WITHIN THE CONSTRUCTION LIMITS.
<br />9. IT IS REQUIRED THAT SOILS TRACKED FROM THE SITE BY MOTOR VEHICLES BE CLEANED DAILY FROM PAVED
<br />ROADWAY SURFACES THROUGHOUT THE DURATION OF CONSTRUCTION.
<br />10. PROVIDE TEMPORARY SEDIMENTATION BASINS AS DIRECTED BY THE ENGINEER.
<br />11. ALL REQUIREMENTS OF THE LOCAL WATERSHED DISTRICT SHALL BE SATISFIED PER THE APPROVED PERMIT.
<br />12. ALL EROSION & SEDIMENT CONTROL MEASURES SHOWN ON THIS PLAN AND
<br />IMPLEMENTED IN THE FIELD AS DIRECTED BY THE ENGINEER SHALL CONFORM TO THE MPCA'S
<br />"PROTECTING WATER QUALITY IN URBAN AREAS: BEST MANAGEMENT PRACTICES FOR MINNESOTA".
<br />13. DEWATERING AND/OR BASIN DRAINING DISCHARGE SHALL BE DIRECTED TO SEDIMENTATION BASINS
<br />WHEREVER POSSIBLE. ALL DISCHARGE POINTS SHALL BE ADEQUATELY PROTECTED FORM EROSION &
<br />SCOUR THROUGH USE OF APPROVED ENERGY DISSIPATION DEVICES.
<br />14. ALL SOLID WASTE/ CONSTRUCTION DEBRIS SHALL BE DISPOSED OF IN ACCORDANCE WITH MPCA
<br />REQUIREMENTS. HAZARDOUS MATERIALS SHALL BE STORED/ DISPOSED OF IN COMPLIANCE WITH
<br />MPCA REGULATIONS
<br />15. CONTRACTOR SHALL USE RAPID STABILIZATON METHODS PER MnDOT 2573 AS NEEDED DURING THE COURSE OF
<br />THE WORK TO MAINTAIN CONFORMANCE WITH THE CITY AND NPDES 11 PERMIT REQUIREMENTS.
<br />THIS WORK SHALL CONSIST OF OPERATIONS NECESSARY TO RAPIDLY STABILIZE SMALL CRITICAL AREAS, TO
<br />PREVENT OFF SITE SEDIMENTATION AND/OR TO COMPLY WITH PERMIT REQUIREMENTS. THE WORK MAY BE
<br />PREFORMED AT ANY TIME DURING THE CONTRACT AND DURING NORMAL WORKING HOURS. THIS WORK WILL BE
<br />CONDUCTED ON SMALL AREAS THAT MAY OR MAY NOT BE ACCESSIBLE WITH NORMAL EQUIPMENT. THIS WORK
<br />SHALL BE DONE IN ACCORDANCE WITH THE APPLICABLE MnDOT STANDARD SPECIFICATIONS, THE DETAILS SHOWN
<br />IN THE PLANS, AND THE FOLLOWING:
<br />THERE ARE FIVE STABILIZATION METHODS APPROVED FOR THESE OPERATIONS. THESE METHODS MAY BE
<br />CONDUCTED INDEPENDENTLY OR IN COMBINATION.
<br />METHOD #1: APPLY TYPE 1 MULCH AND DISC ANCHOR
<br />METHOD #2: APPLY TYPE 1 MULCH AND TACK WITH TYPE 5 HYDRAULIC SOIL STABILIZER
<br />METHOD #3: HYDROSPREAD SEED,FERTILIZER AND TYPE 6 HYDRAULIC SOIL STABILIZER
<br />METHOD #4: HAND INSTALL SEED, FERTILIZER AND EROSION CONTROL BLANKET CATEGORY 3
<br />METHOD #5: PLACE GEOTEXTILE AND RIP RAP CLASS II IN VARIOUS CONFIGURATIONS
<br />THESE EFFORTS WILL BE INCIDENTAL TO THE EROSION CONTROL BID ITEM.
<br />16. CHANGE OF COVERAGE: FOR STORM WATER DISCHARGES FROM CONSTRUCTION PROJECTS WHERE THE OWNER OR
<br />OPERATOR CHANGES, (E.G.,AN ORIGINAL DEVELOPER SELLS PORTIONS OF THE PROPERTY TO VARIOUS BUILDERS)
<br />THE NEW OWNER OR OPERATOR MUST SUBMIT A SUBDIVISION REGISTRATION WITHIN 7 DAYS OF ASSUMING
<br />OPERATIONAL CONTROL OF THE SITE, COMMENCING WORK ON THEIR PORTION OF THE SITE , OR OF THE LEGAL
<br />TRANSFER, SALE OR CLOSING ON THE PROPERTY.
<br />17. INDIVIDUAL SITE BUILDERS SHALL BE RESPONSIBLE FOR PROVIDING ANY AND ALL NECESSARY EROSION
<br />CONTROL MEASURES AS MAY BE REQUIRED. REQUIRED ECM'S SHALL CONSIST OF BUT NOT BE LIMITED
<br />TO THE FOLLOWING:
<br />A. STAKED FIBER LOG ROLLS AT BACK OF ALL CURB EXCEPT AT CONSTRUCTION/DRIVEWAY ENTRANCE.
<br />B. SILT FENCE ON ALL DOWN GRADIENT SLOPES FROM CONSTRUCTION AREA. SILT FENCE SHALL HAVE
<br />THE BOTTOM DUG IN WITH SOIL FIRMLY COMPACTED.
<br />C. ROCK CONSTRUCTION ENTRANCE HAVING 1" TO 2" CLEAR ROCK OVER GEOTEXTILE FABRIC.
<br />D. STREET CLEANING AS MAY BE REQUIRED SHOULD VEHICLE TRACKING OCCUR.
<br />INDIVIDUAL SITE BUILDERS ARE REQUIRED TO MAINTAIN ECM'S UNTIL SUCH TIME AS INDIVIDUAL
<br />YARDS/VEGETATION ARE ESTABLISHED.
<br />18. CONTRACTOR SHALL PROVIDE A TEMPORARY SEDIMENTATION BASIN ON SITE FOR CONSTRUCTION WASH OUT USE.
<br />TEMPORARY BASIN SHALL BE LOCATED AS TO PROVIDE EASY ACCESS FOR CONSTRUCTION VEHICLES AND
<br />CONCRETE TRUCKS AS NECESSARY.
<br />19. INLET SEDIMENTATION CONTROL IS TO BE PROVIDED TO ALL STORM SEWER CATCH BASINS THROUGHOUT
<br />CONSTRUCTION. MEASURES APPLIED SHALL COMPLY WITH BEST MANAGEMENT PRACTICES FOR MINNESOTA AND
<br />APPLICATIONS OF NPDES PHASE 11 AS APPROPRIATE FOR PHASE OF CONSTRUCTION,
<br />EROSION -F CONSTRUCTION SEQUENCING
<br />1. CONSTRUCTION WILL CONSIST OF RAIN GARDEN
<br />EXCAVATION CONSTRUCTION, GRAVEL STRIPPING,
<br />GRAVEL INSTALLATION, PAVING INSTALLATION,
<br />FENCING AND BERM CONSTRUCTION.
<br />2. RESPONSIBLE PARTY FOR EROSION INSPECTION AND
<br />MAINTENANCE IS: NATE WENDT, ROCHON CORP.
<br />(763) 559-9393.
<br />3. PHASING PER SHEET 1 PHASE NOTES.
<br />4. PROJECT SCHEDULE: 3-6 WEEKS OVER ALL LENGTH.
<br />WEATHER DEPENDENT.
<br />5. INSTALLATION OF EROSION: AT START OF PROJECT.
<br />WIRE MESH REINFORCEMENT
<br />(OPTIONAL) 7
<br />METAL OR WOOD
<br />POST OR STAKE
<br />ENGINEERING FABRIC
<br />FABRIC ANCHORAGE
<br />TRENCH BACKFILL WITH
<br />TAMPED NATURAL SOIL
<br />DIRECTO FOF
<br />OW
<br />t
<br />RUNOFF FINCH MINIM
<br />`.
<br />—NATURAL. FIN:
<br />st .;
<br />6 INCH MINIMUM
<br />NOTE: DEPENDING UPON CONFIGURATION, ATTACH FABRIC TO WIRE MESH WITH
<br />HOG RINGS, STEEL POSTS WITH TIE WIRES, OR WOOD POSTS WITH STAPLES.
<br />TYPICAL INSTALLATION FOR SILT FENCE
<br />(SECTION 6.3, MPCA'S "BEST MANAGEMENT PRACTICES")
<br />1" X 2" X 18" LONG WOODEN STAKES AT
<br />1' 0" SPACING MAXIMUM. STAKES SHALL BE
<br />DRIVEN THROUGH THE BACK HALF OF THE
<br />BIOROLL AT AN ANGLE OF 45 DEGREES WITH
<br />THE TOP OF THE STAKE POINTING UPSTREAN
<br />PROVIDE 8" TO 10" OF EMBEDMENT DEPTH.
<br />FLOW
<br />TEMPORARY
<br />SILT FENCE
<br />TEMPORARY SEED & —
<br />MULCH ALL DISTURBED
<br />AREAS PER SWPPP
<br />NOTE 6.
<br />RELOCATE FENCE TO
<br />EAST SIDE OF RAIN
<br />GARDEN.
<br />LOCATE TEMPORARY
<br />SILT FENCE ON
<br />PROPERTY LINE.
<br />MAY USE 810 -ROLLS
<br />AS ALTERNATE.
<br />RAIN GARDEN DEPRESSION
<br />STORMWATER CONTROL
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<br />NOTE: CONTRACTOR IS RESPONSIBLE FOR INSTALLATION, MAINTENANCE AND
<br />REMOVAL OF ALL APPLICABLE EROSION & SEDIMENT CONTROL ITEMS.
<br />BIOROLL EROSION PROTECTION
<br />LEGEND
<br />» „
<br />8 10 EMBEDMENT DEPTH
<br />DRAINAGE ARROW
<br />.........._
<br />..__..._...........te.
<br />>p
<br />1 HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS
<br />PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM
<br />A DULY LICENSED PROFESSIONAL ENGINEER UNDER TME LAWS OF THE
<br />STATE OF MINNESOTA.
<br />PRINT NAME: MICHAEL B. BRANDY , P.E.
<br />SIGNATURE:
<br />DATE 5-19-09 LICENSE # 41258
<br />902 PROPOSED CONTOUR
<br />STAKING DETAIL
<br />�-10PROPOSED 10' CONTOUR
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<br />— CL STREET
<br />STORM WATER POLLUTION PREVENTION PLAN
<br />CURB & GUTTER
<br />EXISTING SAN. SEWER
<br />-:
<br />.... ................... ... ..
<br />-
<br />_ N
<br />_ ____ _
<br />— — — — — — — — BLDG. SETBACK LINE
<br />SCHEDULE OF INSTALLATION + MAINTENANCE
<br />CALL 48 HOURS BEFORE DIGGING:
<br />>
<br />°I
<br />o-
<br />.. --- --- 1021 ----------------------------------------------- - - -- -
<br />-
<br />-
<br />GOPHER STATE O N E CALL
<br />ITEM INSTALLATION INSPECTION CT10N & MAINTENANCE REMOVAL
<br />D& U EASEMENT LINE
<br />CALL 811
<br />-
<br />- --11 1
<br />WETLAND POND
<br />INSPECT & MAINT. AFTER TRIBUTARY
<br />>
<br />BLOCK BU
<br />BUFFER NE
<br />_
<br />— — DELINEATED WETLAND LINE
<br />PRIOR TO COMMENCEMENT AFTER EACH RUN-OFF DRAINAGE AREA IS
<br />\%
<br />I
<br />o
<br />ADDRESS NO
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<br />>>
<br />SILT FENCE OF EARTHWORK OPERATIONS. EVENT. REMOVE SEDIMENTS RESTORED.
<br />EXISTING STORM SEWER
<br />1\ I
<br />PERMANENT SEED &MULCH
<br />AS REQUIRED.
<br />PROPOSED STORM SEWER
<br />»
<br />- , \
<br />OPEN AREAS NOT RECEIVING / . \\
<br />INSTALL 8 CY
<br />ROCK CONST. PRIOR TO COMMENCEMENT INSPECT REGULARLY.PRIOR TO PAVING.
<br />DRIVE AISLE PANG SECTION
<br />PERMANENT
<br />j� t ''= I
<br />SPECIAL PLANTINGS.
<br />CL 3 PERMANENT RIPRAP
<br />ENTRANCE OF EARTHWORK OPERATIONS. MAINTAIN AS NEEDED.
<br />\`
<br />EROSION
<br />i i
<br />OVERFLOW SWALE (TIE
<br />OUTLET SKIMMER AFTER POND GRADING INSPECT REGULARLY. PERMANENT.
<br />�O*
<br />j
<br />INTO EXISTING RIP RAP.
<br />STRUCTURE IS COMPLETED. MAINTAIN AS NEEDED.
<br />`
<br />= _'�,a _ 3 l
<br />UPON COMPLETION OF INSPECT & MAINTAIN
<br />RIP -RAP & POND GRADING, CONC. AT LEAST ANNUALLY PERMANENT.
<br />-rITT E� I
<br />FILTERr\�
<br />SWALE CONST. AND AND AFTER HEAVY
<br />I
<br />OUTLET INSTALLATION. RAINFALL EVENTS.
<br />STAKE
<br />INSPECT &MAINTAIN�F
<br />— —
<br />DETENTION POND DURING EARTHWORK AFTER HEAVY RAINFALL PERMANENT.
<br />— —
<br />* i / w / - — — —
<br />N i 1
<br />OPERATIONS. EVENTS. REMOVE
<br />SEDIMENTS AS NEEDED.
<br />_ -
<br />F $ \ 1 \
<br />INSPECT &MAINTAIN NO REMOVAL
<br />SEED &MULCH AFTER FINAL GRADING AFTER HEAVY RAINS.
<br />STRAW OR WOOD FIBER
<br />6" TO 7" DIA. ROLL ENCLOSED IN
<br />\
<br />/ NEW PAVEMENT SURFACE
<br />= t` ,
<br />NECESSARY.
<br />OPERATIONS. REPLACE WASH-OUT
<br />PLASTIC OR POLYESTER NETTING
<br />_ 1
<br />AREAS IMMEDIATELY.._
<br />/ \\
<br />INLET PROTECTION UPON INLET CONSTRUCTION WHEN 1/3 CAPACITY OF AFTER TRIBUTARY AREAS
<br />/` -------------- --
<br />I
<br />BMP IS REACHED ARE FULLY RESTORED.:
<br />_ \\\l
<br />NOTE: CONTRACTOR IS RESPONSIBLE FOR INSTALLATION, MAINTENANCE AND
<br />REMOVAL OF ALL APPLICABLE EROSION & SEDIMENT CONTROL ITEMS.
<br />BIOROLL EROSION PROTECTION
<br />LEGEND
<br />E-20
<br />-------902------- EXISTING CONTOUR
<br />DRAINAGE ARROW
<br />-------910-------- EXISTING 10' CONTOUR
<br />1 HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS
<br />PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM
<br />A DULY LICENSED PROFESSIONAL ENGINEER UNDER TME LAWS OF THE
<br />STATE OF MINNESOTA.
<br />PRINT NAME: MICHAEL B. BRANDY , P.E.
<br />SIGNATURE:
<br />DATE 5-19-09 LICENSE # 41258
<br />902 PROPOSED CONTOUR
<br />SPENSA
<br />OR ON 0, MINNESOTA
<br />SPENSA DEVELOPMENT GROUP LLC
<br />�-10PROPOSED 10' CONTOUR
<br />om
<br />— CL STREET
<br />CURB & GUTTER
<br />EXISTING SAN. SEWER
<br />1
<br />— — — — — — — — BLDG. SETBACK LINE
<br />>
<br />CALL 48 HOURS BEFORE DIGGING:
<br />>
<br />PROPOSED SAN. SEWER
<br />GOPHER STATE O N E CALL
<br />Q
<br />D& U EASEMENT LINE
<br />CALL 811
<br />i
<br />WETLAND POND
<br />\ /N
<br />\\ I IN
<br />>
<br />BLOCK BU
<br />BUFFER NE
<br />— — DELINEATED WETLAND LINE
<br />E-20
<br />DRAINAGE ARROW
<br />— — — -- — — _ —
<br />1 HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS
<br />PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM
<br />A DULY LICENSED PROFESSIONAL ENGINEER UNDER TME LAWS OF THE
<br />STATE OF MINNESOTA.
<br />PRINT NAME: MICHAEL B. BRANDY , P.E.
<br />SIGNATURE:
<br />DATE 5-19-09 LICENSE # 41258
<br />M••••• .......
<br />SPENSA
<br />OR ON 0, MINNESOTA
<br />SPENSA DEVELOPMENT GROUP LLC
<br />SILT FENCE
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<br />>
<br />EXISTING SAN. SEWER
<br />1
<br />O1\ II
<br />>
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<br />>
<br />PROPOSED SAN. SEWER
<br />Io
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<br />1
<br />6-18-09
<br />i
<br />EXISTING WM
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<br />ADDRESS NO
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<br />>>
<br />>>
<br />EXISTING STORM SEWER
<br />»
<br />PROPOSED STORM SEWER
<br />»
<br />DRIVE AISLE PANG SECTION
<br />PERMANENT
<br />EROSION
<br />M
<br />DESIGNED:
<br />MBB
<br />1 HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS
<br />PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM
<br />A DULY LICENSED PROFESSIONAL ENGINEER UNDER TME LAWS OF THE
<br />STATE OF MINNESOTA.
<br />PRINT NAME: MICHAEL B. BRANDY , P.E.
<br />SIGNATURE:
<br />DATE 5-19-09 LICENSE # 41258
<br />Anderson Engineering of Minnesota, LLC
<br />CIVIL ENGINEERIN G A N D L A N D S U R V E Y IN G
<br />13605 1st AVENUE NORTH, SUITE 100, PLYMOUTH, MN 55441
<br />TEL (763) 412-4000 FAX (763) 412-4090
<br />SPENSA
<br />OR ON 0, MINNESOTA
<br />SPENSA DEVELOPMENT GROUP LLC
<br />TEMPORARY & PERMANENT
<br />EROSION CONTROL PLAN
<br />COMM. NO.
<br />11586
<br />PLOTTED:
<br />DRAWN:
<br />PSH
<br />DRAWING N0.
<br />C
<br />2 O r
<br />2
<br />7-17-09
<br />CITY ENGINEER FINAL COMMENTS – PAVE SECTION PRIVATE
<br />1
<br />6-18-09
<br />CITY ENGINEER COMMENTS
<br />CHECKED BY:
<br />N0.
<br />DATE
<br />DESCRIPTION OF REVISIONS
<br />
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