FAQ
Frequently Asked Questions:
Q: What is a GSI system?
A: GSI stands for Green Stormwater Infrastructure. Runoff is when water isn't able to absorb into the ground, a common problem in cities where most of the surfaces are impermeable. GSI systems absorb the excess runoff so that it doesn't go into the city's sewer systems and flood them.
Q: Why is it necessary to have GSI systems?
A: GSI systems are necessary because of the problem we face with runoff and the overflow of our sewer systems. Philadelphia's sewer systems are combined, meaning that both runoff and sewage flow through the sewer system. When it rains heavily, the sewer systems can flood because of the combined flow of sewage and excess water. This can lead to flooding in the sewer systems which causes the sewer systems to release excess waste into the nearby Schuylkill river, polluting the water and hurting the nearby habitats. GSI systems absorbs a portion of the runoff, lowering the amount of excess water reaching the sewer systems.
A: GSI systems are necessary because of the problem we face with runoff and the overflow of our sewer systems. Philadelphia's sewer systems are combined, meaning that both runoff and sewage flow through the sewer system. When it rains heavily, the sewer systems can flood because of the combined flow of sewage and excess water. This can lead to flooding in the sewer systems which causes the sewer systems to release excess waste into the nearby Schuylkill river, polluting the water and hurting the nearby habitats. GSI systems absorbs a portion of the runoff, lowering the amount of excess water reaching the sewer systems.
Q: What are some examples of GSI systems?
A: There are many different GSI systems. The ones that we used in our project were tree trenches, rain gardens, and porous concrete. Other GSI systems include: green roofs, green walls, planter boxes, and tree canopies.
Q: What is Philadelphia doing to incorporate more GSI systems?
A: Philadelphia has a lot of information on their website, phillywatersheds, about GSI systems. The city has eight Land-Based Green programs that are working on incorporating more green infrastructure in order to improve the environment, the sewers, and the lives of those living in the community.
A: Philadelphia has a lot of information on their website, phillywatersheds, about GSI systems. The city has eight Land-Based Green programs that are working on incorporating more green infrastructure in order to improve the environment, the sewers, and the lives of those living in the community.
Q: Why are you an engineer?
A: We want to be able to solve problems and be able to help our society.
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