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Old February 11th, 2014, 08:12 PM   #1301
Beto Velez
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Nice!
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Old February 11th, 2014, 08:36 PM   #1302
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Edit.

Last edited by Architecture lover; July 10th, 2014 at 07:58 PM.
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Old February 12th, 2014, 12:57 AM   #1303
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Nice tower! looking forward to see this rise.

Plans Unveiled for Tallest High-Rise in Los Angeles: 73-Story Wilshire Grand Tower
http://highrisefacilities.com/plans-...n-los-angeles/



Quote:
Developer Korean Airlines has unveiled the AC Martin designed Wilshire Grand tower at Wilshire Boulevard and Figueroa Street in LA’s financial district. The new tower will be 73 stories tall and the tallest building west of Chicago, a distinction currently held by LA’s US Bank Tower (Library Tower). The $1 billion project will dramatically alter the city skyline at 1,100 feet in height. It will be capped off with a sail-shaped architectural feature illuminated with LED lighting.

Wilshire Grande Tower - AC MartinA 4 star, 900-room hotel will occupy the building’s upper floors. Beneath it will be 400,000 square feet of office space and at street level there will be retail and restaurants. LA’s busiest subway station, the 7th/Metro, is located across the street.

According to the developer, the hotel will set a new standard in design, luxury, and hospitality and a sky lobby on the 70th floor will provide glamorous, upscale rooftop dining and views.

City rules require that every tower in Los Angeles include a helicopter pad, but AC Martin’s design appears to stray from that rule. It has been reported that the architect worked closely with the LA Fire Department to obtain approval for the unique roof design. A major factor contributing to the approval is a concrete-reinforced “hardened” elevator shaft which will allow the elevators to function during a fire evacuation.

The building is being developed by Korean Air, a subsidiary of Hanjin International. Construction is scheduled to begin in late 2013, after the demolition of the old 15-story Wilshire Grand. The new tower is expected to open in December 2016.
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Old February 12th, 2014, 02:25 AM   #1304
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It's proportionally perfect, and with an amazing clad, even from renders. The way it will be a new focal point in the 20th century skyline is great as well. But are there any renders from the other side of the building?
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Old February 12th, 2014, 04:11 AM   #1305
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Quote:
Originally Posted by ThatOneGuy View Post
The way it will be a new focal point in the 20th century skyline is great as well.
21st century.


Quote:
Originally Posted by ThatOneGuy View Post
But are there any renders from the other side of the building?
Not very good ones.
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Old February 12th, 2014, 04:13 AM   #1306
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Quote:
Originally Posted by mdiederi View Post
21st century.
I meant the existing skyline is largely 20th century.
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Old February 12th, 2014, 04:14 AM   #1307
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Anyone know what's going on with that dirt plot a few blocks away from the site in the first picture?
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Old February 12th, 2014, 04:17 AM   #1308
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So is the bottom of the tub the bedrock level?
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Old February 12th, 2014, 05:39 AM   #1309
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Quote:
Originally Posted by TheYesGuy View Post
Anyone know what's going on with that dirt plot a few blocks away from the site in the first picture?
Just a parking structure with some office space.
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Old February 12th, 2014, 01:39 PM   #1310
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So is the bottom of the tub the bedrock level?
I think so. I haven't seen any piling here.
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Old February 12th, 2014, 06:10 PM   #1311
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Quote:
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So is the bottom of the tub the bedrock level?
Nope.
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Old February 13th, 2014, 08:57 AM   #1312
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Quote:
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So is the bottom of the tub the bedrock level?
No it is not, but the answer to this question can be found at the Los Angeles projects developments, thread #683
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Old February 13th, 2014, 09:06 AM   #1313
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Looks like they'll have a public viewing area for the concrete pour set up at 1000 Wilshire.
http://www.scpr.org/news/2014/02/12/...s-attempt-lar/
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Old February 14th, 2014, 03:51 AM   #1314
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nice progress. rebar cages look immensely strong
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Old February 14th, 2014, 04:30 AM   #1315
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Quote:
Originally Posted by Riley1066 View Post
Looks like they'll have a public viewing area for the concrete pour set up at 1000 Wilshire.
That sounds really fun (listen to how totally crazy that sounds, oh my god what's happened to me??), too bad I'm going to be at an Olympics viewing party in Redondo. I hope someone films it and makes an awesome time lapse.
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Old February 14th, 2014, 02:59 PM   #1316
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They'll be pouring it on at New Wilshire Grand site
http://touch.latimes.com/#section/-1.../p2p-79297414/

The latest addition to the Los Angeles skyline — the New Wilshire Grand, the tallest structure to be built west of the Mississippi — takes a major step forward Saturday when more than 2,000 truckloads of concrete are driven through downtown for what is being billed as the world's largest continuous concrete pour.

The slurry-fest begins at 5 p.m. and is expected to last nearly 20 hours. Wilshire Boulevard and 7th and Figueroa streets in the vicinity of the construction site will be closed from noon Saturday to 10 p.m. Sunday.

Visitors can take in the bright lights and the armada of trucks from the sidewalks of Figueroa Street and Wilshire Boulevard.

Hyperbole comes easy when considering a building as ambitious as the New Wilshire Grand, which will have an outdoor terrace and a swimming pool on the 73rd floor. But any superlatives about the foundation — namely, that it was poured without interruption — will be verified by an official from Guinness World Records.

An hour before the concrete begins to flow, the USC marching band will lead a parade beside the construction site. There will be speeches from Yang Ho Cho, chairman of Korean Air, which is developing the project; Chris Martin, chief executive of AC Martin Partners, the project's architect; Assembly Speaker John A. Pérez; state Sen. Kevin de León; Mayor Eric Garcetti; and City Councilman Jose Huizar.

Aside from being a engineering first, the work this weekend is one of the most critical junctures of the project, which is estimated to cost more $1 billion.

"There has been a great deal of construction to get us here," said Michael Marchesano, general superintendent with Turner Construction Co., which is building the New Wilshire Grand. "But it's not been particularly rewarding because it has all been below grade. This pour allows us to go vertical, which makes everyone happy."

Once the site of the 16-story Wilshire Grand Hotel, this city block has been in a state of rubble and ruin for more than a year. The New Wilshire Grand will feature five levels of subterranean parking, convention space, office suites and a 900-room hotel in the signature tower, which will rise 1,100 feet from the street to the top of its architectural spire.

The logistics for the pour are daunting. Crews have been preparing the site for five months, excavating a pit 18 feet deep and nearly two-thirds the size of a football field. Ironworkers have lined the pit with nearly 7 million pounds of reinforcing steel, to which nearly 84 million pounds of concrete will be added.

Other foundations are commonly poured in sequences and connected with reinforcing steel and ancillary slabs of concrete, but the engineers for the New Wilshire Grand insisted this foundation be created in one piece to provide the tower with greater structural support.

The major challenge is to make sure the concrete arrives on time. Because it must be poured within 90 minutes of being mixed, CalPortland Co. will have 208 concrete trucks on the freeways as they make as many as 10 deliveries each to the site over the weekend. Eight batch plants — with one backup — have been enlisted to produce the mixture; each plant is no more than 20 miles from downtown.

Once on site, the trucks will offload the concrete into 19 pumps, which will dispense it through 13 hoses into the pit.

The most critical part of the pour will take place after the last truck leaves and the concrete starts to harden, a process that will take about two weeks. During this time, the concrete will heat up as it begins to set.

The heat dissipates in most concrete pours, but because of the size and depth of this foundation, the temperatures will only increase, which can compromise the integrity of the concrete. To avoid this problem, Turner will cool the concrete by pumping 45-degree water through nearly 100,000 feet of polyethylene hoses strung throughout the pit.

Twenty-four sensors throughout the foundation will record the temperatures on a hourly basis, and, assuming that Los Angeles isn't hit by a sudden heat wave, the concrete should hover comfortably between 120 and 160 degrees.

Fail-safe procedures are in place as well. Alternative routes have been mapped in case of freeway tie-ups. Additional chillers for the cooling water are on stand-by if one of the machines breaks down. More piping is available if the radiator system springs a leak.

"There are so many variables in projects like these," said Gerard Nieblas, president of the engineering firm Brandow and Johnston, which designed the structure. "You try to minimize them as much as possible. We're lucky if we get 99% of them, but with the foundation, we want to hit 100%."
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Hudson Yards mega development Map: June 2015
http://i.imgur.com/FVrYwpy.jpg
(click again once inside to enlarge the map)

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Old February 14th, 2014, 11:14 PM   #1317
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That spire looks well over 100 feet in the rendering... I hope this doesn't mean the roof is under 984 :p
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Old February 15th, 2014, 12:10 AM   #1318
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The top actual floor of this building looks only slightly taller than Aon.
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Old February 15th, 2014, 12:32 AM   #1319
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Yeah, it seems like it'll be noticeably shorter to the roof/top of crown than US Bank, as also seen in this render for the Metropolis project down the street:

Originally posted in the Los Angeles Compliation thread by PinkFloyd, not sure of the source.

That render obviously doesn't show the spire (I assume so it doesn't distract the viewer from Metropolis), but I have a feeling that's how it's going to feel most of the time anyway, since the spire is so thin.
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Old February 15th, 2014, 12:39 AM   #1320
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Quote:
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The top actual floor of this building looks only slightly taller than Aon.
Lame
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dtla, korean air group, los angeles, south figueroa street, wilshire boulevard, wilshire grand center, wilshire grand tower

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