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C738
Green Roofs – Benefits & Challenges

John Poullain, P.E.

This three-hour online course discusses the economic, environmental, and societal benefits of green roofs which help reduce the heat island effect of overdeveloped cities. The main benefits of green roof installation – stormwater management, energy saving, air quality and quality of life improvements, and aesthetics are considered. Challenges such as building structural requirements, leak and leak detection, and wind scour are also considered. The amount of vegetation depends on the scope of the green roof: extensive (min) or intensive (deeper soil layers and larger vegetation).

Green roof technology helps to mitigate some of the negative effects of urban land development by reintroducing a natural landscape into urban areas. They provide many economic, environmental and societal benefits to cities. Among factors to consider are the buildings’ structure requirements, leak and leak detection, plant establishment, root penetration, biodegradation and wind scour.

The student will better understand the benefits and challenges of green roofs installed on urban buildings. The benefits are numerous; stormwater management and mitigating urban heat island problems are the prime movers. Stormwater management is often the main reason for green roofs. Some cities still have combined sanitary and storm drain systems which can cause overflow and release untreated sewage when overwhelmed by large storms.

This course is intended for civil engineers, project managers, planners and building managers. It includes a multiple-choice quiz at the end, which is designed to enhance understanding of the course materials.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.


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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.

AIA Members: You must take the courses listed under the category "AIA/CES Registered Courses" if you want us to report your Learning Units (LUs) to AIA/CES. If you take courses not registered with AIA/CES, you need to report the earned Learning Units (not qualified for HSW credits) using Self Report Form provided by AIA/CES.

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