Price
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Learning Units (Hours)
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John Huang, Ph.D., PE and John Poullain, PE
This three-hour online course provides general guidelines and practices for the development of wetland habitat areas by dredging and the construction of stormwater wetlands for stormwater runoff and sediment control at construction sites and urban areas. The course provides an overview for planning, design and utilization of dredged material as an alternative method for beneficial dredge disposal. Wetland creation with dredged material often consists of filling, raising and protecting areas that are periodically or permanently submerged. Remedial actions and activities performed at construction sites must comply with federal, state and local regulations to protect water quality.
The student will understand the procedures for planning and developing feasible areas for wetlands and marshes with dredged material, the benefits and disadvantages. Design factors including dredge material, weirs, shape and size and siting of dredged material wetlands are discussed. The student will also become familiar with the techniques of constructed wetlands to manage stormwater drainage at construction sites and developed areas. The purpose is to reduce erosion, water ponding and runoff of sediments and pollutants onto down gradient land and downstream water or streams since groundwater and surface water may be contaminated with volatiles, soluble organics, corrosive acids and alkalis.
Wetlands have many names freshwater and saltwater marshes, bogs, sloughs, swamps, bottom lands. They are in-between places, which lie between large bodies of water, coastal areas, lakes and streams and dry land. They are defined as areas inundated by surface or ground water at frequencies and duration that support vegetation adapted to saturated soil conditions. Although all wetlands are not wet all year, drier wetlands have significant functions. The type of dredged material will determine the suitability for wetland creation. Course or fine-grained materials may be used for their creation and will determine the need for containment dikes. It should be noted dredged material contaminants usually fall within the acceptable limits, which will allow it to be used as fill material for wetland and environmental construction.
This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.
NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.