Avenue V Pump Station Upgrade Named ACEC NY Platinum Award Winner

Increasing the capacity of the Avenue V pumping station from 30 to 80 MGD was an innovative solution to responding to CSO regulatory challenges. It saved hundreds of millions of dollars in comparison to a traditional solution and was responsive to community concerns about increasing traffic, noise, and odors.

The DEP/engineer team was able to deliver a coordinated upgrade on a tight footprint within a dense neighborhood. Construction was completed on schedule, and the team was responsive to several owner requests during construction.

The team was able to increase the facility’s capacity from 30 to 80 MGD without increasing the building’s size or the character of the facility.

CSO flow that previously was discharged to Coney Island Creek is now captured, conveyed, and fully treated at the Owl’s Head WWTP. A portion of this project was constructing two redundant forcemains between the pump station and treatment plant, reducing DEP’s operating risk.

The team preserved the 1910 Beaux Arts character of the building, featuring symmetrical facades and a lavish use of terra cotta details and ornamentation. The facility is eligible for placement on the National Register for Historic Places.

(NEW YORK, NY – November 5, 2015) – The Avenue V Pump Station Upgrade has been named an ACEC-NY Engineering Excellence Platinum Award winner.

Faced with the need to respond to stringent new Combined Sewer Overflow (CSO) regulations, an impact on the Coney Island Creek watershed, New York City Department Environmental Protection (DEP) sought an innovative solution to increase CSO capture. In lieu of storage tank collection, DEP collaborated with the Project Team, including Hazen and Sawyer, for an innovative solution to increase the capacity of the Avenue V Pump Station. The project team achieved consent order objectives without investing in high-cost, high-community impact storage tanks; used a temporary pumping system versus a multiphase approach to replace existing pumps; increased the hydraulic capacity of the pump station by extending the wet well; provided for the capability to isolate half of the wet well for cleaning and inspection and provided grinders in the wet well upstream of the pumps to reduce pump wear.

The project also considered the architectural appearance, as the pump station blends with the character of its surrounding community and features the original Beaux-Arts style; thus, the project increased the facility’s hydraulic capacity without expanding the building’s footprint or altering the architectural character of the structure.

Overall, the Avenue V upgrade enabled DEP to reduce the annual average CSO volume to Coney Island Creek by 78%. This project significantly improved water quality at a fraction of the capital and operating cost of traditional CSO storage tanks, and delivered the pump station to the Owner’s satisfaction while minimizing impacts to schedule and budget.

The winners will be honored at the 49th Annual Engineering Excellence Awards (EEA) Gala, which will take place at the Waldorf Astoria in New York City on March 19, 2016. The winner of the Empire Award — an award given to the highest rated project in New York State — will be announced at the EEA Gala.

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