Presentation on theme: "SWPPP Stormwater Pollution Prevention Plan"— Presentation transcript:
1SWPPP Stormwater Pollution Prevention Plan Self Inspection Training Program2010LaPorte County MS4 Co-op Program
2Table of Contents Purpose of SWPPP training What is pollution? What is erosion?What is sediment?Benefits of prevention measuresRequired posting at jobsitesConstruction SequencingReporting and documentationMaintenance during constructionKey pointsPicturesFines $$$$$
3Purpose of SWPPP Training IT’S THE LAW !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Enforced by the Federal EPA via Clean Water Act of 1988, National Pollution Discharge Elimination System (NPDES) 1990Enforced by state and local administrations having jurisdictionThe Stormwater Pollution Prevention Plan (SWPPP) is designed to eliminate pollution from leaving the construction site.To eliminate pollution of the U.S. waterwaysTo ensure that all individuals understand the importance of Best Management Practices (BMPs) on construction sites.
4“Trained Individual” Must be familiar with SWPPP and have access to it Must understand the purpose of BMPsMust have authority to make correctionsMust be present at pre-construction meetingShould not be the excavating contractorShould be available onsite throughout the projectMust know what BMPs are included in the SWPPP, the sequence of installation, proper maintenance of each, and be able to evaluate their effectivenessMust be able to identify BMPs that are failing
5Construction Site Pollution What is Pollution?“The action of polluting especially by environmental contamination with man-made waste”“The act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors”“undesirable state of natural environment being contaminated with harmful substances as a consequence of human activities”Construction Site PollutionWaste or debris is generated by every person doing work on a construction site.If the waste or debris is not contained and disposed of properly, it becomes pollution.Good Housekeeping practices will reduce the potential for pollution.
6What are the types of erosion? What is Erosion?Erosion: Is the process in which, by the action of wind or water, soil particles are displaced or transportedWhat are the types of erosion?Splash: Raindrop impact, dispersal and mobilization of soil particlesSheet: Saturated soils, soil particles entrained in run-off water, uniform removalRill: Increase topographic relief, higher run-off velocities, soil incisionGully: Concentrated flow, head cutting, down cuttingStream Bank: Natural drainage patterns, toe cutting, bank sloughing
7What is Sediment?Sediment: eroded material suspended in water or in the air. Sediment is the #1 pollutant of waterways.Sedimentation: the deposit of eroded materialsWhen erosion occurs, small particles become suspended in water or air and sediment is transported down-stream or down wind.The purpose of stormwater pollution prevention is to minimize the opportunity for EROSION to occur, thus minimizing the possibility of SEDIMENT leaving the jobsiteMost concentrated sedimentation comes from construction, which can exceed 100 times that from agriculture.
8Temporary and permanent stabilization Sediment fence or proper border What can be done to control sedimentation? These simple devices can be used during construction to greatly reduce erosion and minimize sedimentation.Temporary and permanent stabilizationSediment fence or proper borderStone construction entranceGrass covered drainage ditches
9Benefits of Prevention Measures? Reduce rainfall impactsReduce surface water velocitiesAssist with stormwater infiltrationReduce and control sedimentEliminate off-site pollutionProtection of SoilsProtection of soils can be established with vegetation. However, other types of cover materials such as mulches, erosion matting, erosion blankets, must be used until vegetation is established to minimize splash and sheet flow erosion.Effectiveness of soil protection is dependant on both the type and density of the specific cover material being utilized.
10Overriding GoalProtect the quality of U.S. waterways by reducing the discharge of sediment, oil and chemicals into storm drains, surface water and groundwater.
11All contained in a waterproof display case at construction entrance: Required Job PostingsAll contained in a waterproof display case at construction entrance:NPDES PermitNotice of Intent (NOI)Description of the projectGeneral Contractor’s local contact name and numberLocation of SWPPPAny other special conditions or required permitsAdditional Postings:Stormwater Pollution Prevention SignField Office sign posted on trailerSpill Containment System locationInside the Job Trailer:Original SWPPPWorking SWPPP drawing
12Construction Sequencing Contact IDEM and Local Authority 48 hours prior to beginning grading activities.Phase I installation of the following:Construction entrance (s)Silt fence or other barrier BMP…BEFORE any major gradingCheck damsDiversion drainsInlet protectionSwalesDetention pond, sediment basins and trapsConcrete washout area per SWPPPVehicle maintenance / fueling areaStoned storage / laydown areaPhase IIAdditional phased BMPs per SWPPPTemporary stabilization (any area which will not be worked for 15 days or more)Permanent stabilization
13Reporting and Documentation Reporting submitted to Owner and PMWeekly inspection summaryRainfall (1/2”) Event inspection summaryEPA, State, or Local jurisdiction inspectionsSpill report formDocumentationSite stabilizationContractor and subcontractor certificationsNotice of Termination (NOT)E&S PlanAll SWPPP records must be maintained a minimum of three years after Notice of Termination.
14Maintenance During Construction New or major grading will be recorded in SWPPP binder-Site StabilizationRepairs, discharges, modifications and alterations should be recorded daily on the Working SWPPPInspection reports document repairs, discharges, effectiveness, and should be recorded in the SWPPP binderPhotographic documentation should be taken of the site conditions and used to document the effectiveness of, alterations to, and repairs to any BMPsTransition from temporary to permanent stabilization is criticalReporting the failure of a BMP is the responsibility of all employees on the jobsite…this means YOU!!!
15Additional Measures Needed If BMPs are failing, the designer must be notified. It is the designers responsibility to find corrective BMPsOwner should also be notified of problemsProblems must be clearly identified, including exact location and observationsSuggestions should be recorded. Often, the person on site can be instrumental to helping the designer find solutions
16Key PointsIT IS THE LAW !!!!!!!!!!!!!!!!!!Construction Sites are active, and SWPPP will change every day. Documentation is required.It is the responsibility of every person on the jobsite to report any changes that are made, or need to be made, to the erosion and sediment controlsAll erosion and sediment controls are inspected weekly and after every ½” of rain, or thawAny discharge of sediment from the jobsite must be reported immediately!Vehicle track-out (mud from tires) is pollution !!Employees should know the location of the SWPPP
17Jobsite PollutionWaste and debris that is not properly controlled and disposed of is pollution!
18Jobsite PollutionWaste and debris that is not properly controlled and disposed of is pollution!
19Jobsite PollutionFuel and oil based products that are not contained or properly disposed of are pollution!
20Spill ContainmentThe spill containment kit shall be used if at any time oil or fuel based products are spilled or leak from their container.Pollution such as this must be reported to the Bureau of Water Quality and contained immediately!!!
21Jobsite PollutionProper storage of hazardous materials will eliminate the opportunity for pollution.Secondary containment is a valuable tool for preventing spills in the first place.
26Silt Fence Maintenance Must be trenchedMust be installed facing the proper directionMust have properly wrapped connectionsRemove sedimentation when it reaches 1/3 the height of the fenceMust be repaired as needed
28Inlet Protection (Good) Frames properly builtProperly trenchedReinforced filter fabricAnchoredShould allow for overflow in case of heavy rainfall
29Seeding and Stabilization (Bad) Lack of stabilization has allowed washout of soilsAreas have remained idle for more than 15 daysMulch or matting could have prevented most of this erosion
30Seeding and Stabilization (Good) Areas have received final grade while other areas are still under constructionPond and channel slopes have received blanket to combat erosionSod installed in concentrated flow areas
31Concrete Wash Out (Bad) Concrete wash out is pollution!Concrete washouts should be provided for delivery trucks.
32Concrete Wash Out (Good) Pit lined with continuous 10 mil linerStormwater run off protected from contamination