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Seattle Space Needle

seattle needleLocated in Seattle Washington, the 605 foot tall Space Needle is a popular tourist attraction. Construction on the Space Needle was started in 1961 and completed in 1962. You may have seen the Space Needle in movies such as "It Happened at the World's Fair" (1963) with Elvis Presley, "The Parallax View" (1974) with Warren Beatty, and Austin Powers: "The Spy Who Shagged Me" (1999) with Mike Myers.

The Space Needle was built to withstand severe earthquakes. An earthquake registering 6.8 on the Richter Scale jolted the Needle enough in 1965 for water to slosh out of the toilets in the restrooms. Nobody in their right mind should have complained, though, because splashing toilet water does not compare to "falling over." The Space Needle can escape serious structural damage during earthquakes of magnitudes below 9. Also made to withstand Category 5 hurricane-force winds, the Space Needle sways only 1 inch per 10 mph (16 mm per 10 km/h) of wind speed.

 

 

 

Seattle Needle WebCam



From http://en.wikipedia.org/wiki/Space_Needle

"The Space Needle is a tower in Seattle, Washington, and is a major landmark of the Pacific Northwest region of the United States and a symbol of Seattle. Located at the Seattle Center, it was built for the 1962 World's Fair, during which time nearly 20,000 people a day used the elevators, with over 2.3 million visitors in all for the World Fair. The Space Needle is 605 feet (184 m) high and 138 feet (42 m) wide at its widest point and weighs 9,550 tons. When it was completed it was the tallest structure west of the Mississippi River. It is built to withstand winds of up to 200 mph (320 km/h) and earthquakes up to 9.5 magnitude (which would protect the structure against an earthquake as powerful as the 1700 Cascadia earthquake). The tower has 25 lightning rods on its roof to prevent lightning damage.

The Space Needle features an observation deck at 520 feet (160 m), the SkyCity restaurant at 500 feet (152 m), and a gift shop. From the top of the Needle, one can see not only the Downtown Seattle skyline, but also the Olympic and Cascade Mountains, Mount Rainier, Mount Baker, Elliott Bay and surrounding islands. Photographs of the Seattle skyline often show the Space Needle in a prominent position, even appearing to tower above the rest of the city's skyscrapers, as well as Mount Rainier in the background. This occurs because the tower, which is equivalent in height to a 60-story building, stands roughly four-fifths of a mile (1.3 km) northwest of most downtown skyscrapers.

Visitors can reach the top of the Space Needle via elevators that travel at 10 mph (16 km/h). The trip takes 43 seconds, and some tourists wait in hour-long lines in order to ascend to the top of the tower. On windy days, the elevators are slowed down to a speed of 5 mph. The Space Needle was designated a historic landmark on April 19, 1999.

Edward E. Carlson, chairman of the 1962 World's Fair in Seattle, originally had an idea for erecting a tower with a restaurant at the top as part of the World's Fair celebration. Carlson was then president of a hotel company and not previously known for art or design, but he was inspired by a recent visit to the Stuttgart Tower of Germany.

John Graham, a noted architect who had won praise for designing (Northgate Mall in Seattle) soon became involved in the planning and design. Graham's first move was to make the restaurant featured in the plans revolve, in the same manner as a tower he had previously designed for the Ala Moana shopping center in Honolulu.

Even then, the proposed Space Needle had no land on which to be built. Since it was not financed by the city, land had to be purchased that was within the fairgrounds. It was thought that there would be no land available to build a tower and the search for one was nearly dead when in 1961, a 120 foot by 120 foot (37-by-37 m) plot that contained switching equipment for the fire and police alarm systems was discovered and sold to the investors for $75,000. At this point, only one year remained before the World's Fair would begin.

It was privately built and financed by the "Pentagram Corporation" which consisted of Bagley Wright, contractor Howard S. Wright, architect John Graham, Ned Skinner, and Norton Clapp. In 1977 Bagley, Skinner and Clapp sold their interest to Howard Wright who now controls it under the name of Space Needle Corporation.

The earthquake stability of the Space Needle was ensured when a hole was dug 30 feet (10 m) deep and 120 feet (40 m) across. An army of cement trucks (467 in all) took one full day to fill it up. In fact, the foundation alone weighs almost 6,000 tons and there are 250 tons of reinforcing steel in the base. With this concrete base weighing the same as the above-ground structure, the Needle's center of gravity is just 5 feet (1.5 m) above ground level. The entire structure is bolted to the foundation with 72 bolts, each bolt being 30 feet (10 m) long.

With time an issue, the construction team worked around the clock. The top dome housing the top five levels (including the restaurants and observation deck) was perfectly balanced so that the restaurant could rotate with the help of one tiny electric motor, originally 1 hp (0.8 kW) but later replaced with a 1.5 hp (1.1 kW) motor. With fresh paint of such names as Orbital Olive for the body, Astronaut White for the legs, Re-entry Red for the saucer, and Galaxy Gold for the roof, the Space Needle was finished in less than one year. It was completed in April 1962 at a cost of $4.5 million; the last elevator car was installed the day before the Fair opened on April 21. During the course of the Fair nearly 20,000 people a day rode the elevators to the Observation Deck. The 20,000 mark however was never reached, missing by fewer than 50 people one day. At the time of construction, it was the tallest building in the West, taking the title from the Smith Tower across town that had held that title since 1914.

In 1974, author Stephen Cosgrove's children's book Wheedle on the Needle postulated a furry creature called a Wheedle who lived on top of the Space Needle and caused its light to flash. Its closing quatrain is: There's a Wheedle on the Needle/I know just what you're thinking/But if you look up late at night/You'll see his red nose blinking. The Wheedle had since become a fixture of Seattle, becoming for a time the mascot of the Seattle Supersonics.

In 1982, the SkyLine level was added at a height of 100 ft (33 m). While this level had been depicted in the original plans for the Space Needle, it was not built until this time. Today, the SkyLine Banquet Facility can accommodate groups of 20–360 people.

Renovations were completed in 2000 that cost nearly five times the original price ($21 million). Renovations between 1999 and 2000 included the SkyCity restaurant, SpaceBase retail store, Skybeam installation, Observation Deck overhaul, lighting additions, and of course, new coats of paint all over.

On May 19, 2007, the Space Needle welcomed its 45 millionth visitor. The guest, Greg Novoa of San Francisco, received a free trip for two to Paris which included a VIP dinner at the Eiffel Tower.

Every year on New Year's Eve, the Space Needle celebrates with a fireworks show at midnight that is synchronized to music. The 2007/2008 show stopped, restarted, then stopped again with the rest of the pyrotechnics needing to be detonated by hand. The pyrotechnics crew blamed the problem on a corrupted file in the customized software they use to control the timed detonations.

Three people have committed suicide by leaping from the Space Needle's observation platform. Each of these events occurred in the 1970s. Two of them jumped in 1974, before a "safety grid" was installed around the platform. The third suicide took place four years later, in 1978. Others have occasionally made it through the safety grid, but negotiators have coaxed them to safety.

Twice as many jumpers have used parachutes to break their fall as part of a sport known as BASE jumping. Six parachutists have leaped from the tower since its opening, but this activity is illegal without prior consent. Four jumpers were part of various promotions, and the other two were arrested."