It needs to be deployed as a network and can reconcile historical flows with modern land use. Green first plan pwsa is committed to green infrastructure gi and has been developing a green first program, which involves consideration of implementing gi first to capture stormwater at its source to maximize overflow reduction and. Beginners guide to the citywide green first plan sierra club. Consequently, some local governments have adopted green infrastructure as a hedge against climate change risks, particularly if the strategies result in multiple other benefits. Green infrastructure gi is based on the principle that protecting and enhancing nature and natural processes are consciously integrated into spatial planning and territorial development. We can be most effective by focusing efforts on the sheds that contribute the most to the system.
Green infrastructure technologies it is the goal of the pwsa to effectively incorporate green infrastructure technologies into its final plan longterm control plan, due to the department of environmental protection in july of 20. Pwsa green infrastructure projects with current phase of development. Accordingly, the green infrastructure strategy defines gi as a strategically planned network of natural and seminatural areas with other environmental features designed and managed to deliver. Alcosans grow program a good start but more investment.
Background information introduction to stormwater management and green infrastructure materials and vegetation used in gi practices and systems safety, site management, and managing for longterm performance green infrastructure practices bioretention. Urban planning and green infrastructure plan pittsburgh water. A strategic plan for the citys priority watersheds, which informed pwsas green first plan. Pwsa gi initiatives started with the installation of a rain garden in front of the water. To integrate the results of the priority sewersheds and enhanced green infrastructure gi analyses with the citys planning and urban development opportunities, pwsa coordinated with several city agencies, and considered existing communitydriven. Pwsa looks to prove to dep that green infrastructure works. In addition to promoting cleaner rivers and streams, green infrastructure projects can also lessen the impact of flooding and erosion, while creating beautiful and relaxing green spaces. Pwsa engineering design for green infrastructure 5. They will also perform erosion and sediment control site inspections and manage illicit discharge investigations. The gi modeling capabilities permit assessment of the peak. Rooftops to rivers ii pittsburgh, pennsylvania pdf. Green infrastructure means different things to different people depending on the context in which it is used. This project will build a new transmission water line, connecting the water treatment plant and the lanpher reservoir, located in shaler township.
Over the past year, the city of pittsburgh has worked with pittsburgh water and sewer authority pwsa to develop a scalable and adaptive green infrastructure plan to address wet weather sewage overflows, basement backups, and localized flooding. Organizations allegheny county 5 pwsa 4 baldwin borough 2 allegheny land trust 1. Beginners guide to the citywide green first plan the green first plan focuses on identifying how green infrastructure can be implemented at small and large scales to address current needs to manage stormwater and also maximize the future benefits provided by the citys water infrastructure. Green infrastructure refers to ecological systems, both natural and engineered, that act as living infrastructure. This newer version is the most uptodate and presumably most reliable version and also has gi modeling capabilities that the older 5. For example, some people refer to trees in urban areas as green infrastructure because of the green benefits they provide, while others use green infrastructure to refer to engineered structures such water treatment. New jersey stormwater bmp manual includes discussion on the benefits.
A little rain didnt stop people from attending pwsas red oak and hayson green infrastructure tour on. Overall, the charrettes provided a forum for stakeholders to learn more about the wet weather. The responsibilities of this role are a combination of field and office work. This feature allows you to download your results in pdf format, and preserve your likes in the pdf. Green infrastructure modeling tools green infrastructure. Rooftops to rivers ii pittsburgh, pennsylvania pdf nrdc. Green infrastructure archives green building alliance. The following sections outline the subcommittee and its objectives. Inform decisionmakers and planners about the multiple benefits green infrastructure delivers to communities.
Green infrastructure elements are planned and managed primarily for stormwater control, but also exhibit social, economic and environmental benefits. Following are several key reasons why communities may want to consider incorporating green infrastructure strategies in public projects. Green infrastructure is a strategically planned network of natural and seminatural areas with other environmental features designed and managed to deliver a wide range of ecosystem services. Pwsas announces 12year water plan for pittsburgh, plans. Section 9 adaptive management, green infrastructure, and. Several green infrastructure approaches were ruled out by dpw late in the process, forcing unexpected and costly redesigns. We studied the historical development of the city of. This project also sets the stage for green stormwater infrastructure throughout the m29 sewershed that will reduce the amount of stormwater entering the combined sewer system and improve quality of life in six city neighborhoods. Pwsa and the gitac, recognizing the need to address monitoring, created amonitoring sub committee.
Pittsburgh will not be the first city to implement green infrastructure, but. Green infrastructure guide for public works projects. We are committed to providing you with clean, safe water. The new line will create a backup water feed for the existing lanpher rising main, which is nearly 100 years old. Executive summary university of wisconsinmadison is already a leader in sustainable stormwater practices, having implemented dozens of progressive practices. Green infrastructure for watershed planning quantifying. Doing so will highlight it for the remainder of your session. As we invest in infrastructure that is built to last, were mindful that pwsa must be a strong financial steward of a critical asset. Green infrastructure is particularly important in urban areas with combined sewers, where during wet weather events, combined sewer overflows csos result in untreated combined sewage being discharged directly into water bodies.
Pittsburgh pittsburgh water and sewer authority pwsa released a 12year plan for pittsburghs water. Pwsa releases 12year plan for pittsburghs water future. Green infrastructure modeling approach using gis and swmm this section describes the process used for modeling the performance of green infrastructure gi for stormwater mangementa, and resultant combined sewer overflow. We can reduce flooding, decrease water pollution, and build new stormwater solutions to change pittsburghs infrastructure for the better. The pittsburgh water and sewer authority pwsa released a draft of this green first plan to the public, and will accept. This program is a good first step towards developing a regionwide, green first approach to our regions sewer overflow and stormwater problems. The design infiltration rate was obtained by ms through onsite doublering infiltrometer testing. We identified the top 30 sheds and developed a green first plan for those sheds. Municipal policies for managing stormwater with green infrastructure.
That knowledge is captured in the findings section of this report. Pwsa files suit against management company that installed faulty water meters. The gifocused engineer will perform technical engineering and design services to plan, coordinate, and implement pwsas green infrastructure program. At the request of mayor william peduto, this plan outlines pwsas vision for pittsburghs water future, through 2030 and beyond. Pittsburgh, pa november 15, 2018 today, the pittsburgh water and sewer authority pwsa released a 12year plan for pittsburghs water future, entitled pgh2o 2030. Green infrastructure is designed to capture rainwater where it falls, slow it down, and clean it while enhancing community spaces like parks. Bioswales planted areas near streets and parking lots that slow down, filter and.
The red oak and hayson green infrastructure gi project, located in the banksville neighborhood, is the first gi project completed by pwsa to manage stormwater in a residential neighborhood. Citywide green infrastructure assessment public summary. Modeling tools support planning and design decisions on a range of scales from setting a green infrastructure target for an entire watershed to designing a green infrastructure practice for a particular site. National green infrastructure certification program ngicp information covered. A new study says the use of green infrastructure is a better, less expensive. Mayor william peduto asked pwsa to outline pittsburghs water future to 2030 and beyond. In 20, pwsa assembled a green infrastructure technical advisory committeegitac to assist pwsa in addressing technical challenges related to gsi implementation. Section 9 adaptive management, green infrastructure, and integrated watershed planning pwsa wet weather feasibility study 92 july 20 pwsa recognizes that green infrastructure and iwm approaches will require extensive collaboration between regional partners, such as alcosan and other municipalities, as well as padep, achd, and usepa. Pittsburgh regional green stormwater infrastructure. Pwsa report backs green first approach pittsburgh postgazette. December 1, 2016 citywide green infrastructure assessment. If you wish to preserve your likes beyond the current session, we recommend downloading your results to pdf by using the pdf download feature.
This project will build a new transmission water line, connecting the water treatment plant and. Green infrastructure for chesapeake stormwater management. In response, pwsa has been developing its green first approach to stormwater management. Shaw said one aspect of the plan that may go unnoticed is pwsas investments in green stormwater infrastructure. Green infrastructure news from pwsa constant contact. Parcel scale green infrastructure siting and cost effectiveness analysis. Some models can predict the water quality and water quantity impacts of green. Green infrastructure can include sitespecific management practices as well as watershedscale techniques such as land preservation and the restoration of wetlands and floodplains that naturally store water and reduce runoff. The plan relies heavily on green infrastructure, which involves planting trees and restoring the natural water cycle. Green infrastructure or gi is a costeffective, longlasting approach to. Benefits of using green infrastructure in public works projects there are a number of ways that incorporating green infrastructure into public works projects can benefit towns and cities. Evaluating green infrastructure as a combined sewer.
This paper focuses on green infrastructure as a solution, and aims to serve as a tool that will enable local. Com dellrose street green infrastructure page 2 life cycle costs. Pwsa ramps up its greeninfrastructure program green. This permeable paver concept is intended to provide a template for the dpw to apply to the future reconstruction of other city streets. Green infrastructure case studies university of kansas. Pwsa welcomed the opportunity to share its vision, goals, and plans to. Pittsburgh green infrastructure citywide evaluation for pwsa. How much green infrastructure will be included in alcosan. This is the first time these projects have been laid out all together in one document, pickering said. This multimillion dollar, twoyear project will ensure reliable water service for.
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