Tag Archives: VersiCell Drainage

Transbay Transit Center – VersiCell in SF’s Upcoming Park

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We were thrilled to see the front page of the San Francisco Chronicle Newspaper on April 12 (online April 11), featuring the Transbay Transit Center currently being built in busy downtown San Francisco. The Transbay Transit Center is more than just a rooftop park, it will be a huge city park at 5.4 acres and a quarter of a mile long, within one of the busiest city sections on the West Coast.

Tournesol Siteworks is thoroughly involved in this high profile project, as 192, 000 sq. ft  our VersiCell sub-surface drainage panels were specified by PWP Landscape Architecture. In the SF Chronicle article titled “Transbay Transit Center rooftop turning into 5.4-acre City Park,” writer J.K. Dineen states,

The Transbay Transit Center is set to open late this year and will serve numerous bus lines, including AC Transit, Muni, Golden Gate Transit and Greyhound. It’s still unknown when it might connect to high-speed rail or Caltrain, which will operate the station, how much it will cost to operate, or what shops and restaurants will occupy the 100,000 square feet of retail space.

…But what is known is this: Tree by tree, San Francisco’s next significant public open space, a 5.4-acre green rooftop boxed in by towers of glass, is taking shape atop the transit center. And amid all the questions about the future of the transit center, it is the park — with its carefully curated collection of flora — that has the potential to make the project an attraction in the years before the trains arrive.

Our Versicell drainage panels were installed by contractors from McGuire and Hester out of Alameda, CA, just across the bay from San Francisco. VersiCell is a sub-surface drainage panel that provides the ultimate combination of strength and water flow capacity. The modular, connectable panels are frequently used in a variety of installations where fast, high-volume water flow is critical. In addition to sub-surface drainage, VersiCell is frequently used in place of heavy gravel aggregates for waterproofing membrane protection, for heat and sound insulation on structures, as a drainage channel, and on subterranean walls to prevent hydrostatic pressure buildup.

To read the entire SF Chronicle, Transbay Transit Center article, please click here. It is exciting to know that our VersiCell is highly inert, and won’t break down or crush over the life of this application, and that we are part of a project that will be enjoyed by people for decades.

 

 

 

A 1-acre Public Park, 11 Stories Up!

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Philadelphia, PA, recently welcomed its first elevated public park, Cira Green. This project was recently featured on Greenroof.com as their “Project of the Week” post. Cira Green, a 1.25 acre urban park, is located 11 stories above street level and is part of a larger mixed-use development project in the Cira Centre South neighborhood in the University City District.

Photo Courtesy of Roofmeadow

The park offers much needed open public green space with amazing views of the Philadelphia skyline and the Schuylkill Riverfront. Cira Green is also Philadelphia’s first blue-green roof, which can route storm water to the green roof areas.

OLYMPUS DIGITAL CAMERA
Photo Courtesy of Roofmeadow

Designed by Roofmeadow, a national designer of high-profile greenroof projects, Cira Green has a unique water storage system underneath its sloping lawn, swaying meadows and the pavers on the roof. That’s where Tournesol Siteworks comes in!

Photo Courtesy of Roofmeadow

At the beginning of the project, Roofmeadow specified 33,800 square feet of our VersiCell Drainage Panels to be placed underneath the greenroof. Sean’s Landscaping, Inc., the landscape contractor. installed the roof, stacked 30mm VersiCell two layers high at 16,900 sq. ft. per layer to create a 2-1/4” deep reservoir below the greenroof.

Photo Courtesy of Roofmeadow

The rigid VersiCell panels provide the ultimate combination of strength and high volume water flow capacity, especially when fast water-flowing is critical. Made of 100% recycled polypropylene, VersiCell rigid panels are highly inert, and won’t break down or crush over the life of a project. This is the same product recently used on the Whitney Museum terraces in NYC.

Cira Green3_ Credit photo to Roofmeadow
Photo Courtesy of Roofmeadow

We love it when our product is the foundation of an amazing urban public space that will be enjoyed by the community for years to come!