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Implementing a SWPPP - Easy, right?

The design is complete, the permits have been obtained, and contracts are in place for contractors. It's time to get construction started! What could possibly go wrong? A SWPPP, stormwater pollution prevention plan, is a best guess about how the construction site will begin, progress and finish based upon the information that the design has before construction. However, it is rare that construction progresses as the designer envisioned. When implementing a SWPPP, expect to encounter the following: - The contractor will have a different - and possibly better - way of grading the site, along with a different construction sequence. - The unforeseen will be uncovered and it will impact the construction schedule. - Not all parties on the construction site will agree on E&SC or stormwater management for the site. When implementing the SWPPP, the inspector/site manager must adapt to these issues while still meeting the intent of all permits. SWPPP modifications. There is no perfect SWPPP. All SWPPPs will need revision and modification during construction. Some states do not require that plans be resubmitted when modifications are required. Other states do require plan submittal and approval. Know your state's requirements - and any professional requirements. In most states, professional engineers are the only people licensed to design pipes and embankments (think sediment basins and culverts). The SWPPP must reflect what's on the ground and vice versa. For example, when silt fence or check dams are removed when they are no longer needed, the SWPPP should be modified to show that these measures have been removed. Inspection documentation should also indicate that the measures have been removed and why they were removed. Together, the modified SWPPP and inspection documentation should clearly tell the story of the site conditions at the time of the inspections. Take photos of the site as well to confirm site conditions. Documentation. As the SWPPP is revised or modified, document the changes on the SWPPP sheets, in inspection reports and with photos. Documentation is critical to show compliance. The construction general permit allows time for a contractor/developer to respond to problems found on a construction site, and if the problems are resolved within that timeframe, the site is in compliance. Note that some states have additional regulations governing construction sites and off-site sedimentation can be considered a violation of the regulation, regardless of storm size. Besides SWPPP modification and inspection reports, a site manager/inspector must also keep good documentation of rain events. The Construction General Permit requires that measures be designed for the 2yr, 24hr rain event. To determine the return interval for each storm, document the time a storm started and ended and the depth of rain. That information can be compared to rainfall information provided on NOAA's Atlas 14 Point Precipitation Frequency Estimates website (https://hdsc.nws.noaa.gov/hdsc/pfds/pfds_map_cont.html) to determine the storm's return interval. Site managers/inspectors should use the rainfall data to make decisions about the failed measures. If measures failed in a storm that exceeded the 2 year storm equivalent intensity, the measures were adequate and should be reinstalled. If measures failed in a storm that was less than or equal to the 2 year storm event, the measures should be upgraded. can be compared to the rain fall information on NOAA's Atlas 13 site to determine the equivalent intensity storm. As a final good practice on a construction site, provide feedback to the designer about the site: what worked well, what didn't work well. If that information is not conveyed to the designer, the same issues may occur on other construction sites.
Member Price:
$90.00
Nonmember Price:
$120.00
Available for Immediate Download
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Improving Infiltration & Vegetation in Post-Cons

This webinar will highlight treatment technologies that can be implemented in the construction industry to manage turbidity from dewatering operations. Dewatering methods are briefly introduced; however, the course focuses on best available technologies to treat and polish pumped effluent. Participants will be exposed to a decision matrix that assists in identifying the appropriate treatment for a site specific operation. Upon selection of the treatment, basic design elements are presented for consideration. The webinar targets a broad based audience who can use the information provided as a foundation to then independently research a specific treatment technology in more detail.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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Introduction to Erosion and Sediment Control

This course has been developed to introduce participants to the concepts of Erosion and Sediment Control (ESC). It is intended for contractors, developers, consultants, municipal staff, landowners or anyone looking to gain a general knowledge of erosion and sediment control concepts and best management practices. The course is comprised of eight modules and discusses the potential impacts of construction activities, ESC fundamentals, erosion control practices, sediment control practices, in-water and near water works, pollution prevention, winter preparedness and legislation.
Member Price:
$75.00
Nonmember Price:
$100.00
Available for Immediate Download
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Low Impact Development (LID) Design & Implementation

The Low Impact Development (LID) Design & Implementation Course Package offers you a discount of training for those seeking design and implementation training on Low Impact Development (LID). This package includes access to: Lessons in LID Construction Construction Site Erosion and Sediment Control: Best Practices and Low Impact Solutions Changing the Development Paradigm to Embrace LID - Part One & Part Two Stormwater Low Impact Development Practices • Part One & Part Two Designing LID Systems: What do you need to know and why Continuing education credit for this package is 0.7 CEU (7 PDH) Credit. Course Level: Basic - Intermediate
Member Price:
$250.00
Nonmember Price:
$300.00
Available for Immediate Download
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Maintenance of Permanent Best Management Practices (BMPs)

As more permanent stormwater best management practices (BMPs) are being installed across the nation, performing ongoing maintenance has been a challenge. Permanent stormwater BMPs are now required in most urban developments across the country and it is crucial that these BMPs be maintained correctly. All permanent stormwater BMPs require regular maintenance to remain operating as designed. Maintenance has been neglected in the past due to a failure to understand who is responsible for maintenance, failure to budget for maintenance, and from a lack of knowledge on appropriate maintenance practices. In this webinar, we teach participants to recognize permanent stormwater BMPs in the field, identify maintenance needs and activities, and to perform maintenance correctly. This webinar will provide attendees a broad introduction to the needs and application of permanent stormwater BMP maintenance.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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MS4 101: Beginning or Re-Tooling a Successful MS4 Program

Whether you are new to EPA’s NPDES Municipal Separate Storm Sewer System (MS4) regulatory permitting program or have an on-going established MS4 program, this course and checklist can help you work towards achieving successful permit compliance. The course includes the following 5 modules as well as a quiz at the end: 1.Regulations and Requirements 2.Key Program Elements 3.Partnerships 4.Funding 5.Enhancing the Program This overview, introductory course is intended to touch on all of the items needed for an overall, comprehensive MS4 program • not just what the regulations say.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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MS4 Audit Preparation

Do you work for a regulated NPDES Phase I or Phase II MS4 entity? Are EPA and/or your state permitting authority gearing up to audit, evaluate, or re-evaluate local MS4 programs in your area? If so, this webinar will assist you with your audit preparations. Even if an audit is not looming in your immediate future, this webinar will provide helpful tips so that you’re always ready to do your best to demonstrate permit compliance. Examples of how MS4 communities have been audited and what tools they have used to successfully survive those audits will be presented. Audit preparations can also be used to help enhance other MS4 program areas so we will highlight those connections. Key elements of audit preparation include knowing what inspectors are looking for and how MS4 communities are being compared to each other. So take a tip from the Boy Scouts and “Be Prepared”!
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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Pacific Northwest Regional Webinar | Erosion Control: A dive

The Inland Northwest is a diverse landscape of constantly changing topography, micro climates, and annual precipitation levels. In order for everyone to enjoy these areas that we live in, we need to keep the soil in place to the best of our ability. This webinar will explore the ins and outs of various plant material that fit these different niches in regards to erosion control and beautification. The goal is for attendees to walk away feeling more comfortable when making informed decisions on seed specs for erosion applications.
Member Price:
$0.00
Nonmember Price:
$25.00
Available for Immediate Download
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Plant Selection for Erosion and Sediment Control

Ever struggle with selecting plant materials specific to erosion and sediment control? What's best; seed or rooted stock, tap or fibrous roots, is more seed better? This course will review the different characteristics of plants and provide answers to these and more questions. It will provide guidance in selecting the best species and plant material types for a specific erosion control, sediment control, or wind stabilization application. Don't miss this discussion on a topic important to anyone who uses plants to stabilize disturbed soils.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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