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i DRAWN BY: DESIGN BY:
<br /> MISSION FOODS ADDiNA.G. CAS.
<br /> CHCKD BY: PROD.NO.
<br /> C.G.S. D9.1232
<br /> ORIGINAL DATE:
<br /> MARCH 3,2009
<br /> STORM WATER POLLUTION
<br /> PREVENTION PLAN [SWPPP) SITE SPECIFIC EROSION AND SEDIMENT CONTROL
<br /> City of New Brighton Minnesota ��° "'p"
<br /> �7 ! A)E5Q,CT NAME, Mission Food,BuHding Addition 1310610N CONTROL LEAGLIFEB
<br /> B)PB4JECT LOCATION' 1585 tat Avenue NW,New Brighton,MN STRUCTURAL PRACTICES z
<br /> 1. Silt Fence-will be installed prior to any grading activities along the perimeter of 6
<br /> C)PRQIECT OESC1wPBON- those portion,of the site which are downstream of storm water run-off. ,,,E
<br /> GENERAL EROSION AND SEDIMENT CONTROL Several new
<br /> This project will consist of a 45.000 s.l addition to on exlstinq food manufacturing 2. Storm water Management-Storm water management will be provided via pending
<br /> building. Some eehling bituminous will be removed to accommodate the new building. basins and ion-titration basins.
<br /> °tormenter features,Including two pond.and two iota-Otretlon basins,will 3. Rock Construction Entrance-shall be used at all location.where 0be constructed to provide water gustily and rate control. construction vehicles leave site onto hard surface roads. O
<br /> Soli disturbing odMlleo veil include: Installation of a rock construction entrance•, 4. Storm Sewer Outlet Protection-Including rip-rap and geotextile filter fabric qa
<br /> INSPECTIONS AND MAINTENANCE AMENDMENTS TO SWPPP Installation of slit fence where surface run-off leave*elle; site gradins:storm shwa, shall be used at all pipe outlets to prevent alto washouts. Cu
<br /> 1. The Permittea s watermaln,and twittery sewer Installation;building°onstrucUon Including foundation fz
<br /> O(either the owner or operator)must routinely inspect the The rermittee(s)must amend the SWPPP as necessary to include additional excavation;curb and street construction;and proporoltan for turf restoration. 5. Storm Sewer Inlet Protection-Silt fence shall be provided around the new
<br /> construction site once every seven(7)days during active construction and within requirements,such as additional or modified BMPs,designed to correct problems storm sewer structure Inlets that are proposed. 1
<br /> 24 hours after a rainfall event greater than 0.5 inches in 24 hours. identified or address situations whenever: D)Sig AREAS 4q
<br /> 2. All inspections and maintenance conducted during construction must be recorded in 1, There is a change in design,construction,operation,maintenance,weather or p
<br /> writing and these records must be retained with the SWPPP in accordance with season conditions that has a significant effect on the discharge of pollutants to BEFORE AFTER
<br /> RECORD DETENTION.Records of each Inspection and maintenance activity shall surface waters or underground waters; g p CO tETRUCTON CQYSTitUC60N �CONTROLS
<br /> Include: shall include: TOTAL SITE AREA 8.87 ACRES 1. Construction Waste Materials-All waste moleriale generated as a result of site
<br /> a.Dote and time inspections; 2. Inspections or investigations by site operators,local,stote or federal officials -
<br /> indicale the SWPPP is not.effective in eliminating or significantly minimizing the TOTAL ESTIMATED IIPERNOUS 5.34 ACMES 6.55 ACRES construction shall be collected and removed according to all local and/or state
<br /> b.Nome of person(s)conducting Inspections; discharge of pollutants to surface waters or underground waters or that the TOTAL ESTIMATED PERVIOUS 3.53 ACRES 2.32 ACRES waste management regulations by a licensed solid waste management company. h
<br /> c.Findings of Inspections,including recommendations for corrective actions; discharges ore causing water quality standard exceedunces,or - - The contractor wit ensure that all site personnel are Instructed in these practices. F•q `Al
<br /> d,Corrective actions taken(including dates, limes, and party completing 2. Hazardous Wastes-All hazardous waste materials shall be stored properly to o Fd$ z^_
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<br /> maintenance activities); 1 The SWPPP is not achieving the general objectives of controlling pollulonls in storm prevent spills and vandalism. When necessary,hazardous wastes will be disposed g
<br /> water discharges associated with construction activity,or the SWPPP is not E)/OVA DISTURBED AREA 2.00 ACRES of in the manner specified by local and/or state regulation or by the manufacturer. '73 G
<br /> e.Dote and amount of rainfall events greater than 1/2 Inch(0.5 inches) consistent with the terms and conditions of this permit. n /* Z
<br /> In 24 hours; and F)SIg SEDUENGING OF GRADING AND EROSION CONTROL MFASLIQFR: 3. Sanitary Waste-All sanitary waste will be collected from the portable units by a �l
<br /> f,Documentation of changes mode to the SWPPP. 4. At any time after permit coverage is effective,the MPCA may determine that the local,licensed water management company,as required by local regulation.
<br /> project's storm water discharges may cause,hove reasonable potential to cause,or • Prior to any grading operotlans,the contractor shall Install a rock construction 4. Offsite Vehide Tracking-A rock construction entrance has been provided to help I it'
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<br /> 3. Where parts of the construction site have undergone final stablesation,but work contribute to non-attainment of an applicable water quality standard. If MPCA reduce vehicle traddn of sediments. The d street adjacent to the site 4
<br /> remains on other parts of the site.Inspections of the slobelred alas may be Y DP 9 Y entrance and perimeter sit fence as shown on plan. (Contact City to Inspect 9 paved M 9
<br /> makes such a determination,the MPCA will notify the Permittee(s)in writing. In erosion control measures prior to grading o eratlone. AddlUonal silt tents may bar entrance shall be swept on an as-needed basis,or as determined by the City. t
<br /> reduced to once per month.Where work hat been sucpended due l0 frozen ground P 9 9 operation.) Y Ai
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<br /> conditions, the required inspections and mantenonce must take Place an soon as response,the Pennittee(s)must develop o supplemenlol BMP action plan or necessary If local condition.require. Dump trucks hauling loose materials(sand, topsoil,etc.)to and/or from the site p R2 t71
<br /> runoff occurs at the site a prier to rewmnq eenebuct[on,whichever comae Amt.
<br /> appropriate SWPPP amendments describing SWPPP modifications to address the shall be covered with a tarpaulin Pµ !,
<br /> identified concerns and submit information requested by the MPCA,which may a Perform site grading on on area-by-area baste to minimize uncompleted areas. 5. Vehide Cleaning-No engine degreasing is allowed on-site. External washing of U O
<br /> 4, All erosion postillion and sediment control Baps must be inspected to ensure include an Individual permit application. If MPCA's written notification requires a Ae each area le completed,all exposed exile must have temporary erosion control vehicles to be confined to a defined area("bone yard")on-site. The bone yard is
<br /> Integrity and o ill.functional
<br /> All nonfunctional IRAPN must be repaired,replaced,or response, failure to respond within the specified tlmeframe constitutes a permit protection or permanent cover according to the following time table: to be at least 50 feet from any storm drain inlet and shall drain to a temporary Lt g violation. e
<br /> supplemented with functional BMP..The Pence requirements:
<br /> must investigate and comply pit of adequate volume to hold all liquid end waste concrete materials gensreted
<br /> with the keening inspection and maintenance raqukomenta: during washout operations. Hardened sensate shag be proton up oral disposed of il
<br /> FINAL STABILIZATION as required by local regulation. If necessary.place sat fence around bone yard
<br /> a. All silt fences must be replaced,or supplemented when they become TYPE OF SLOPE TIME,' area to ensure no sediments enter any storm eater basin or slam sewer Intel.
<br /> nonfunctional(develop tears,ears,detach from posts,post become dislodged from eC
<br /> The Permitee(s)must ensure final stabilization of the site. The Permitee(s)must Steeper than 3:1 7 days ('Moxlmum Ilse an area can 5
<br /> ground,etc.)or the sediment reaches 1/3 of the height of the fence. These submit a Notice of Termination within 30 days after final stabilization is complete, main open when the arse Is _
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<br /> repairs must be made within 24 hours of discovery,or as soon as the field or another owner/operator (Permittea)has assumed control over all areas of the 10;1 to 3:1 14 days not actively being worked.) IMPEC110fIB AND MAl4T131AIJCE PRo
<br /> conditions allow access. Flatter than 10:1 14 days site that have not undergone final stabilization.Final stabilization can be achieved (Apo aroInepeafleonend MMlenence'under'038tAL EROSION AND SEDAENT CONTROL)
<br /> b. Temporary and permanent sedimentation ponds must be drained and the sediment in one of the following ways: The following are the inspection and maintenance practices that will be used Lo
<br /> removed when the depth of the sediment collected in the basin reaches 1/2 the All sod,seed,mulch and fertilizer shall conform with the following MnDOT maintain erosion end sediment controls,
<br /> storage volume.Drainage and removal musk be completed within 72 hours of epeclflcations as modified below. wi
<br /> 1. All soil disturbing at the site have been completed and all soils must be stabilized • All control measures will be Inspected following any
<br /> discovery or as soon as Field conditions allow access. sp ted at least once each week and
<br /> by a uniform perennial vegetative cover with a density of 70 percent over the stone even of 0.5 inches or greater. Q z a
<br /> c. Surface waters,includingdrainage ditches and conveyance systems,must be entire previous surface area,or other equivalent means necessary to prevent sole ITEM MnDOT SPECIFICATION/NOTES 1111s as 9 Y°° Ys • All measures will be maintained in good working order; if a repair is necessary,it
<br /> failure under erosive conditions and; lea
<br /> inspected for evidence of sediment being deposited by erosion. The Permitee(s) Sod 3876 will be initiated within 24 hours or report. cc ;_
<br /> must remove all deltas and sediment deposited in surface waters,including a. All drainage ditches,constructed to drain water from the site after construction Is Seed am • Built up sediment veil bar removed from silt fence when it has reached one-third CM ' Z
<br /> = N'
<br /> drainage ways,catch basins,and other drainage systems,and restobillze the areas complete,must be stabilized to preclude erosion; ICI C
<br /> where sediment removal results in exposed soil.The removal and stabilization must b. All temporary synthetic,and structural erosion prevention and sediment control •Far turf establishment MnDOT Mixture 260(100 Ibs/acre) (1/3)the height of the fence. 0 �. Z
<br /> take place within seven(7)days of discovery unless precluded by legal,regulatory, -OR- • Silt fence will be inspected for depth of sediment, tears,to see if the fabric is 0Lt a
<br /> Best Management Plans(such as silt fence)must be removed as part of the site MnDOT Mixture 270 / ) securely posts,and to see that the fence
<br /> or physical access constraints, The Permitee shell use all reasonable efforts to (120 Ibs acre attached to the fence posts are firmly W Z
<br /> final stabilization; and - <O
<br /> obtain access. If precluded,removal and stabilization most take place within sevenTemporary Fall cover MnDOT Mixture 1GD6(100 Ibs/ere) in the ground. = 0
<br /> (7)calendar days of obtaining access. The Permits°is responsible for contacting a The Permitee(s)must clean out all sediment from co and from • Temporary seeding and planting will be inspected for bore spots,washouts,and 420 . z
<br /> all local,regional state and federal authorities and receiving applicable amps, conveyances Spring/summer •MnDOT Mlxlure 110(at 100 Ibs/acre) W
<br /> 9 g any pP P temporary sedimentation basins that re to be used as permanent water quality healthy growth.
<br /> prior to conduction anywork. 1-2 years cover MnDOT Mixture 150(at 40 Ibs/acre) H m O W
<br /> P 9 management basins.Sediment must be stabilized to prevent it from being washed • A maintenance report will be made otter each Inspection. F
<br /> back into the basin,conveyance and drainage ways discharging off-site or to 2-5 years cover MnDOT Mixture 190(at 60!be/acre) m rn C.C.
<br /> d. Construction site vehicle exit locations must be Inspected for evidence off-site surface waters. The clean out of permanent basins must be sufficient to return Mulch 3882(Type 1-Disc Anchored) E,'w :
<br /> sediment tracking onto paved surfaces. Tracked sediment must be removed from the basin to design capacity.
<br /> all off-site paved surfaces,within 24 hours of discovery,or If applicable,within a Faliizer 3881
<br /> shorter time. 2. For residential construction only,final stabilization has been achieved when Wood Fiber Blanket 38E5(Category 2)
<br /> temporary erosion protection and down gradient perimeter control far individual loss
<br /> e, The Permlttee(s)are responsible for the operation and maintenance of temporary has been completed and the residence has been transferred to the homeowner. • Mow a minimum of once per 2 weeks LAMPERT ARCH.
<br /> and permanent water quality management BMPs,as well as ail erosion prevention Additionally,the Permitee must distribute the MPCA'homeowner foci sheet"to the
<br /> and sediment control BMPs,for the duration of the construction work at the site, homeowner to Inform the homeowner of the need for,and benefits of,final 13837 Lincoln St NE
<br /> The Permlttee(s)are responsible until another Permlte•has es s control over stabilization. Han Lake,MN 55304
<br /> areas of the site that have not been finally stebeitet the siteite hoe undergone
<br /> finalbeen stabilization,and o Notice of Termination hos been submitted to the MPCA • The contractor shall pay special attention to all adjacent property lines and mote
<br /> (see TERMINATION OF COVERAGE). RECORD DETENTION sure the erosion control practices Inplace In those area°prevent migration of PHONE:(763)785-1211
<br /> sediment onto adjacent properties,
<br /> I. If sediment escapes the construction site,off-site accumulations must be removed The SWPPP,all changes to it,and inspections and maintenance records must be s
<br /> in a manner and at a frequency sufficient to minimize ol1-site impacts e.., Protect stormwater features denims all dunes of conetructlam Blo-flltratlon basins
<br /> q Y P ( 9 kept at the site •
<br /> durng construction by the Permitee who has operational control to be constructed oil after stabilization of upstream features,
<br /> fugitive sediment in streets could be washed Into slam.ewers by the next rain of that potion of the site. The SWPPP con be kept in either the field office of in y P ``\
<br /> and/or pose a safety hazard to users of public streets). an on-site vehicle.
<br /> 5. All infitration areas must be inspected to ensure that no sediment from ongoing • If any elopes appear to be neededfoiling,.
<br /> oddltlxnoI ell fence,blordle and eroelon control
<br /> construction activities is reaching the Infiltration area rind these areas are All owner(s)must keep the SWPPP,along with the fallowing additional records,on blanket shall be added ere needed •i-/ ji
<br /> Tile for three(3)years after submitted of the NOT as outlined In TERMINATION OF ��
<br /> protected from compaction due to construction equipment driving across the COVERAGE. This does not include any records after submittal of the NOT. • The contractor shall maintain and repair all set fence(Including the removal of ®®® _`i
<br /> infiltration area. accumulated sediment)untl vegetation Is eetabllehed and the site Is stabilized. 1
<br /> POLLUTION PREVENTION MANAGEMENT MEASURES I. Any other permits required for the project; (See also INSPECTIONS AND MAINTENANCE).
<br /> 2. Records of all Inspection and maintenance conducted during construction • Final grade pond to depths shown an plan upon stabilization of upstream areas. SITE PLANNING
<br /> Themeasureson Permitee(s)shallitImplement the idlowing pollution prevention management 3. Allpermanent operation and maintenance agreements that have been implemented, • Provide temporary mulch over all pervious areas. &ENGINEERING
<br /> the site: P 9
<br /> including all right of way,contracts,covenants,anal other binding requirements
<br /> 1, Solid Waste: Collected sediment,asphalt and concrete millings, floating debris, regarding perpetual maintenance; and • Maintain sit fence,Including the removal of accumulated sediment,through PLOWS
<br /> paper,plostic,fabric,construction and demolition debris and other wastes must be 4. All required calculations for design of the temporary and permanent storm water completion of building construction. Slit fence to be removed only after completion
<br /> disposed of properly and must comply with MPCA disposal requirements. management systems. of building canetructlon and upon eetabllehment of vegetation.2. Hazardous Materials: Oil,ganden•.paint and any hazardous substances cruet be • Final grade.wale areas upon stabilization of upstream area,, ENGINEERING,
<br /> properly stored,including secondor °entitlement, to prevent veto leaks or other TERMINATION OF COVERAGE 6776 LAKE DRIVEdischarge, Restricted access to storage*teas must be prodded to prevent • Provide wood fiber blanket for all areas of concentrated lion,all slopes 3:1 or SUITE170
<br /> vandal) Storage anal disposal of hazardous waste must be Intomplionco with 1. Permittee(s)wishing to terminate coverage under this permit must submit a Notice greater,and where drainage sweles enter,tormlwater features. LINO LAKES,MN55014
<br /> MPCA regulations. of Termination(NOT) to the MPCA. Compliance with the permit Is required until a
<br /> 3. External washing of trucks and other construction vehicle must be limited to a NOT is submitted. The Pennittee(s)authorization to discharge under this permit • Sod all disturbed drainage area,,Including.wales,pond overflows,around storm PHONE:(651)361A210
<br /> defined area of the site. Runoff must be contained and waste properly disposed terminates at midnight of the day the NOT is signed. sewer flared-end sections,and off-street catch basins. FAX:(651)361A701
<br /> of. No engine degreasing is allowed on site. 2. All Permlttee(s)must submit a NOT within thirty(30)days after one or mare of • Upon grading completion the contractor shall provide mauve topeoll,seed,and
<br /> the following conditions have been met: mulch anchored with a etralght set disc within 46 hours of final grading.
<br /> DEWATERING AND BASIN DRAINING a. Final Stabilization has been achieved on all portions of the site for which the • Excess soli should be treated like other exposed soli and stabilized within 72 hours.
<br /> 1. Dewotering or basin draining(e.g.,pumped discharges,trench/ditch cuts for Permitee Is responsible(including the removal of all temporary erosion control Any soil etockplee to have silt fence placed around perimeter.
<br /> drainage)related to the construction activity that may hove turbid or sediment measures such as slit fence,and if applicable,returning agricultural land to its pre • Adjacent streets shall be kept clean of conetruelion malorlole.dill,and other
<br /> laden tlilsllae rota must be discharged to a temporary a permanent construction agricultural use); undesirable material. When materials or debris have washed/flowed onto adjacent
<br /> sedimentation basin en the project site whenever possible. H the water tarsal be b. Another owner/operator(Permitee)has assumed control according to Part II,B,S of streets,It le the Contractor's responsibility to sweep/scrape etroels as necessary
<br /> dpchorgod to o sedimentation boom prior to mitering the ourtoce weer.It must MPCA Permit No.MN R100001 over all areas of the site that have not been finally or as directed by the City.
<br /> Treated with the appropriate 61.1P,such that the discharge does not adversely stabilized; or
<br /> affect the receiving water or dcwnslreem I e The Permlltee(e)must
<br /> ensure that discharge point.ore dequot reety protected
<br /> cted from erosion and scour. c. For residential construction only, temporary erosion protection end dam podlenl
<br /> The discharge muse be dispersed over natural each derv,sand bogs,plastic perimeter control for Individual lots has been completed and the residence hos
<br /> shoaling or other accepted energy dissgolkm measures. Adequate sedimentation been transferred to the homeowner. Additionally, the Permitee must distribute the
<br /> control meoeuree ore required for discharge water that contains suspended solids, MPCA's"homeowner factsheet"to the homeowner to inform the homeowner of the
<br /> 2. All water from dewatering or basin draining activities must be discharged In a need for,and benefits of,final stabilization.
<br /> manner that does not cause nuisance conditions,erosion n f channels or ��
<br /> on downelope properties,or Inundation In wetlands causing significant adverse
<br /> Impact to the wetland.
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