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Thread: WTC Memorial - by Michael Arad (Architect) and Peter Walker (Landscape)

  1. #3331

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    Testing the waterfalls!!!!!

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  2. #3332

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    Oh, that is too amazing! I'm guessing that Michael Arad was on-scene. But don't they have more panels to put in around the center void?

  3. #3333

  4. #3334

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    Wow wow so exciting!

  5. #3335

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    Ahhhhh!!!!! Ahhhhhhhhhhhh!!!!!!!!!!!! Waterfalls!!!!!!!!!!!!!!!!

  6. #3336

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    Courtesy of AP and The Modesto Bee







  7. #3337
    Crabby airline hostess - stache's Avatar
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    : )

  8. #3338
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    the waterfalls look a little anemic

  9. #3339

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    New York Post
    November 10, 2010

    9/11 memorial's fountains flow

    Waterfalls cascade in first moving tribute to WTC victims

    By TOM TOPOUSIS

    Photo Gallery

    The rebirth of the World Trade Center took a spectacular turn yesterday when one of the memorial's two massive fountains roared to life for the first time.

    "It was absolutely stunning," said Joseph Daniels, president of the 9/11 Memorial. "The way the sunlight played on the water, and the sound. It was perfect."

    The fountain, where the north tower of the World Trade Center once stood, was undergoing tests of the massive pumping systems that will blast 26,000 gallons a minute over the 30-foot deep black granite walls.

    Daniels, who happened upon the test yesterday, said the sight of the water filling the 1-acre pool was awe-inspiring after years of planning and building.

    Construction workers from around the site paused to look and listen during the tests as engineers below the memorial plaza monitored and adjusted the 16 pumps that will circulate 480,000 gallons of recycled water.

    During the design phase of the memorial, there were concerns that the fountains might be too loud. But Daniels said the sound of the cascading water yesterday created "a nice, peaceful background, like the sound of the ocean."

    "It's perfect. It's not overwhelming at all," Daniels said.

    A second fountain over the footprint of the south tower will be ready for testing later this year. A spokesman for the Port Authority, which is overseeing construction of the $500 million memorial, said yesterday's trial run went very well.

    The two fountains together make up the nation's largest manmade waterfalls, and are at the heart of the design of the memorial, called Reflecting Absence.

    Paula Berry, a 9/11 family member who served on the 13-member jury that picked the memorial design by Michael Arad, was ecstatic about the test run.

    "The presence of water is incredibly important at the memorial," said Berry. "When you think of the memorial's name, Reflecting Absence, you have to have the means to reflect and the water plays that role."

    But Berry said the sound of the water rushing over the sides of the fountains could very well be one of the most lasting impressions visitors take away.

    Yesterday's tests lasted a few hours, and will be repeated as needed.

    Construction of the memorial remains on schedule for its planned opening next Sept. 11 -- the 10th anniversary of the 9/11 terror attacks.

    More than 50 of the plaza's 400 trees have been planted so far.

    The reflecting pools covering the exact footprints of the Twin Towers will be surrounded by the names of all the victims of the 2001 and 1993 attacks, etched into a bronze parapet that will be back-lit so the names can be read at night.

    Arad's design, which has been revised over the years in consultation with architect Peter Walker, was picked from an international competition that drew 5,201 submissions from 63 nations and 49 states.

    Berry said watching the project come together leaves her believing more than ever that the right design was selected for the project, which will cover nearly half of the 16-acre World Trade Center site.

    "The design has grown since it was first selected, and the various alterations and changes have just made it better," she said.

    Combined, the two fountains will circulate a total of 52,000 gallons of water per minute. Chemically treated like water in a swimming pool, and heated so that it can run through winter, the water will surge at four feet per second.

    The entire volume of each fountain will circulate through the system every 22 minutes. And the fountains are designed to filter out coins in the likely event that visitors toss them into the pools of water.

    Engineers yesterday were testing pumping pressure and making adjustments to ensure the correct flow of water through the fountains.

    "The testing today went well, and it is an important sign of progress, but our work is by no means complete," said PA Executive Director Christopher Ward.

    "September 11, 2011, is the only goal that matters, and for the next 306 days, we will continue to keep our heads down and locked in on delivering the sacred heart of the site."

    Officially called the National Sept. 11 Memorial, the site will include a 9/11 museum below the plaza, scheduled to open a year after the memorial.

    tom.topousis@nypost.com

    Copyright 2010 NYP Holdings, Inc

  10. #3340

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    The New York Times
    November 10, 2010

    Testing Begins on 9/11 Waterfalls

    By DAVID W. DUNLAP


    The north memorial pool at the World Trade Center site, where the waterfalls were tested Tuesday. At right, in silhouette, the two “trident” columns from the original north tower can be seen.

    Video

    There has been a rainbow this week at ground zero.

    In fact, there have been many rainbows — faint and evanescent — as the wind shaped the beaded curtains of water falling into the north pool of the National September 11 Memorial and Museum; the pool that marks the spot where 1 World Trade Center once stood.

    Water.

    Almost a decade after the architect Michael Arad imagined memorializing the lives lost on Sept. 11, 2001, with two voids in the Hudson River — a vision transformed over time into two enormous sunken pools in a tree-filled plaza — water has begun to fall into the first pool. The Port Authority of New York and New Jersey, which is building the memorial, started the test on Tuesday.

    What was most striking on first impression was that the water did not fall in sheets or foamy torrents. This is no Niagara. Rather, because its flow is separated at the top by comblike weirs, the water falls in a striated pattern, each drop sparkling distinctly as it falls 30 feet into the pool.

    “The way the wind plays with the water, it makes it feel living,” said Joseph C. Daniels, the president and chief executive of the memorial and museum, as he looked over the expanse.

    Mr. Daniels said the test had already reassured him on two important concerns.

    First, the falling water is certainly audible but it is not deafening or even roaring (though, for the moment, it competes with the tumult of construction all around). The fact is, Mr. Daniels was able to speak at a fairly normal voice level just feet from where the water was pouring over the weir.

    His second concern, now allayed, was that the water flows would clash at the corners of each square pool, creating areas of turbulence. No such conflict was evident during the test on Tuesday.

    What was clear, however, is that considerable effort will have to go into keeping the water surface clear of falling leaves and debris. Pennies will be vacuumed up or trapped in strainers.

    Trial runs of one sort or another have been going on for years. They began not far from Toronto in early 2005 with the construction of a full-scale mock-up of one corner of a pool in the backyard of Dan Euser of Dan Euser Waterarchitecture, the water design consultant.

    But that mock-up was only 40 feet long. The two pools are 176 feet long on each side, meaning that taken together, they would generate a wall of water 1,400 feet long; roughly five Manhattan blocks. Officials believe it will be the largest engineered waterfall in the nation.

    Each pool has 16 pumps capable of pumping water at 3,000 gallons a minute. Each will hold about 480,000 gallons. Water is taken from city mains but is recirculated once it arrives at the memorial. It takes 15 hours to fill a pool, so Tuesday’s exercise — while a culmination in one way — was just the beginning. The memorial is to open on the 10th anniversary of the 9/11 attacks.

    “The testing today went well and it is an important sign of progress, but our work is by no means complete,” Christopher O. Ward, the executive director of the authority, said in a statement. “Sept. 11, 2011, is the only goal that matters, and for the next 306 days we will continue to keep our heads down and locked in on delivering the sacred heart of the site.”

    Copyright 2010 The New York Times Company

  11. #3341

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    Manmade waterfalls are always a letdown. Remember those Olafur Eliasson waterfalls?

  12. #3342
    Disgruntled Optimist lofter1's Avatar
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    Excellent! The sound of water as heard in the VID gives some idea of what's to come.

  13. #3343

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    Reminds me of when it rains. Very peaceful, not too hard, not too loud. Just like how a regular fountain is supposed to sound. I have no idea what those TTII supporters were talking about, but this definitely shuts them up.

  14. #3344
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    They're running them again now. It is definitely not as strong as I expected, though someone I know said it isn't on "full blast". Still, it's nice!

  15. #3345
    Disgruntled Optimist lofter1's Avatar
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    earthcam now shows a guy splashing around along the west wall!

    Scratch that ^ what I thought was a guy was a piece of the crane in the foreground.

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