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Posts Tagged "Seattle"

APE Vibratory Hammers Building the New Seattle 520 Floating Bridge

The Seattle Times just posted a news article this morning about the new 520 floating bridge project spanning Lake Washington just east of Seattle. The bridge has been in development for last couple years, with dry dock construction for the pontoon sections taking place in Aberdeen Washington (See Chris Wang’s article on the dry docks here). Construction on the actual bridge site has been in the prepping phases and is now ready for major foundation work which is slated to start next week.

The coming weeks will include huge foundations and concrete spans near shore, twin sloping transition spans that reach down to the lake, floating pontoons, and road decks fastened upon them. APE will be on the scene with a 600 Vibratory Driver extractor, the largest vibratory pile driver in the APE fleet will be pulling the outer casing for 12.5′ drilled shafts. We will also see an APE 200-6 driving the sheet piles for the cofferdams. See the Seattle Times new article here http://seattletimes.nwsource.com/html/localnews/2017862072_520bridge29m.html for more details.

Ferris Wheel on the Seattle Waterfront? You Got It! Courtesy of Manson and APE

Along with the on-going demolition of the Alaska way viaduct, a Seattle landmark second only to the Space Needle, rises a new attraction on Pier 57- a 175-foot-tall Ferris wheel. Pier 57 was originally built in 1902 as a rail-loading facility for a saw mill. Today, it houses a plethora of marine-oriented shops, restaurants, and even an antique carousel. Hal Griffith, owner of Pier 57, fears losing business due to the viaduct replacement and hopes a new waterfront attraction will keep the publics’ interest alive. With the loss of the Fun Forest at the Seattle Center, this will be the only Ferris wheel available in the city. Once completed with 41 air conditioned gondolas, it should prove to be quite an accommodating attraction to locals and tourists alike.

Manson Construction, a major player here in the PNW, was chosen to drive the foundation piles of this soon-to-be “landmark” on the water ward side of the existing pier. With a total of 53- 36” x .5” wall and 30” x .625” wall pipe piles on deck, the Manson crew set out to drive these piles with the APE Super Kong.  What else would you want driving the piles for a 175-foot marine based Ferris wheel, right?

So far, the Manson crew has driven a dozen test piles. With some fine tuning of the equipment to account for the infamous Glacial till the Northwest is known for, the 150’ piles are down to grade. Some were driven only a couple of feet away from the Fisherman’s Restaurant & Bar. Needless to say, some diners became spectators and spectators became diners.  Fair trade.

Today, the Manson crew is running production piles. Most are on 4:1 fore and aft batters. To accommodate the tight driving schedule and the layout of the pile driving grid, APE and Manson teamed up to outfit the Super Kong with a custom vibro sled fit for Manson’s leader system, as well as a custom swing arm pile gate. More pictures and updates to come!

Seattle’s Viaduct Replacement Project

Pacific Pile and Marine drives 5 foot diameter casing over 200 ft in length with company owned D100-42 for the Alaska Way Viaduct temporary detour off ramps. These ramps are ahead of the new underground tunnel that will be placed under downtown Seattle to replace the old viaduct. There will be 28 piles driven for the ramp pictured in this article. APE offers the only true D-series hammer available on the market.  The efficiency and reliability of the D-series single acting impact hammers have been in service since the early 40’s building the world’s infrastructure.  When a contractor needs reliability they call on APE Equipment.

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