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Transportation Nation

Proposed Lowline Underground Park Debuts "Solar Harvesters" for Subterranean Photosynthesis (PICS)

Thursday, September 13, 2012

A sample "canopy distributor" channeling sunlight into a darkened warehouse demonstrates how the proposed Lowline underground park in Manhattan could have enough light to grow plants. (Photo by Alex Goldmark)

New Yorkers can get their first peek at the technology required to construct a proposed park in an underground abandoned trolley station. A year ago (almost to the day). the Lowline project teased the imaginations of New Yorkers and dazzled park lovers everywhere by releasing dreamy renderings of a lush park paradise-to-be in a most unlikely place: below ground. And not just below ground, but below Delancey Street, one of the most disparaged and dangerous stretches of asphalt in the whole city for a pleasant pedestrian stroll.

In dense Manhattan, though, clusters of unused cubic feet are precious, be they in a penthouse or buried in infrastructure purgatory. So an abandoned trolley terminal dating back to the early 1900s is a contender to become New York park space. The plan depends on subterranean sunlight shining through the sidewalk in beams powerful enough to grow greenery.

"What I envision is that we will have this kind of undulating, reflective ceiling actually functioning as an optical device to draw sunlight into the space to make it somewhere that you would actually like to spend some time," says James Ramsey, co-founder of the Lowline and designer of the "Imagining the Lowline" installation that opens Saturday to showcase sample "solar harvesting" technology.

A 35-foot wide aluminum canopy showers light upon a mock indoor park to demonstration the "remote skylight" concept. (Photo by Alex Goldmark)

The Lowline name is a play on the wildly successful High Line, which turned an abandoned freight rail line on Manhattan's far west side into elevated park space. To showcase how that might be replicated in cavernous conditions, the Lowline team has set up an exhibit in a warehouse at ground level, right above the proposed site on Essex Street between and Broome and Delancey Streets. The rugged, blackened warehouse aims to recreate what it might be like to amble through the 100-year old trolley terminal below.

"On top of this roof we created  a massive superstructure, that's way in the air, that's actually harvesting the sunlight, redirecting it through light pipes," Ramsey says. A computer guides the rooftop solar collectors to track the sun all day long for maximal reflected light through a system created by a Canadian company, Sun Central.

The solar technology was designed by Raad Studio, engineering firm Arup, and physics professor Lorne Whitehead of the Univ. of British Columbia. Landscape by Hortus Environmental Design. (Photo by Alex Goldmark)

To fund the exhibit, the Lowline raised $155,000 on Kickstarter. But it has to cross a number of hurdles before -- not to mention if -- it becomes reality.

Ramsey cautioned that the final design will depend on "many, many different conditions." Including negotiations with several city agencies. Delancey Street -- presently under a years' long redesign to become more bike and pedestrian friendly -- would need another overhaul to install "remote skylights." The preliminary engineering study for the Lowline is still weeks away from being finalized. That will bring with it cost estimates for tasks like lead paint abatement and adding drainage. After the price tag is tabulated, a design will be hatched, and the dreamers crazy enough to build a park below a busy city will have to commence some serious fundraising.

Also sharing space with the "Imagining the Lowline" exhibit is "Experiments in Motion," an installation sponsored by Audi and executed by Columbia architecture students to explore multi-modal transportation possibilities. The centerpiece of the projects on display is a 50-foot 3D model of New York's underground public spaces, mainly subway stations, meant to place the Lowline in spacial context.

Close up of the midtown Manhattan portion of a 3D model of the NY subway system. (Photo by Alex Goldmark)

The exhibit is open to the public Saturday, September 15th - 27th. More details are at the Lowline website.

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Transportation Nation

TN MOVING STORIES: Cuomo May Tap Pension Funds to Finance Tappan Zee, What The New Fuel Economy Standards Mean for You, and More on the "Low Line"

Tuesday, November 22, 2011

Top stories on TN:

DOT head Ray LaHood hopes to transportation doesn't get cut in the wake of the supercommittee failure. (Link)

Connecticut is getting inter-city bus BRT. (Link)

NY builds its first 'slow zone' to combat speeding. (Link)

Rendering of the Low Line (image courtesy of Delancey Underground)

New York Gov. Andrew Cuomo may use private and public pension funds to help finance the Tappan Zee Bridge overhaul. (Wall Street Journal)

Maryland's latest toll road could be its last for a generation, given how much the state had to borrow to build it. (Washington Post)

Senator Schumer is backing lower tolls for Staten Islanders. (Staten Island Advance)

NYC school bus drivers: not striking yet. (WNYC)

Editorial: the list of projects on Atlanta's upcoming transit referendum is a necessity, not a choice. (Atlanta Journal-Constitution)

What the new fuel economy standards will mean to you. (KQED Climate Watch)

Korean auto manufacturers are ramping up U.S. lobbying. (Politico)

Volkswagen's new concept delivery van has "semi-autonomous capabilities." (Gizmag)

An abandoned trolley terminal under NYC's Delancey Street could become the 'Low Line' -- an underground park. (New York Times)

Mobile, Alabama, gets its first bike racks. (Press-Register)

Obesity is a major problem for America's truck drivers. (New York Times)

Who's buying hybrids? Looks like people on the West Coast. (NPR)

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Features

Abandoned Trolley Tunnel Could Become City's First Underground Park

Monday, September 19, 2011

A Lower East Side trolley tunnel could be transformed into the city's first underground park, complete with greenery and a so-called remote skylight. The proposed park is called Delancey Underground because it would sit in a tunnel underneath Delancey St. near the base of the Williamsburg Bridge.

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