Author: Rebecca Ragain, CEG CORRESPONDENT
The longest concrete slab, beam and girder-style structure in Oregon is being replaced by a new structure that meets modern standards.
The Martin Luther King, Jr., Boulevard viaduct was built in Portland in 1936 by Hoffman Construction Company at the cost of half a million dollars. The structure sits on the edge of a wetland area that had been filled with debris, as deep as 66 ft. (20 m) in places, from a nearby sawmill.
“That got covered over with miscellaneous dirt fill, and that’s what they came through in the 30s and drove piling through,” said John D. Smith, the Oregon Department of Transportation’s (ODOT) assistant project manager of the viaduct replacement project.
That worked fine for the amount of traffic in the 30s, but the design couldn’t handle the coming years’ increase in frequency, size and weight of vehicles.
Click to Read More | Roosevelt-Era Viaduct in Portland Has Outlived Its Usefulness
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John Deere Power Systems (JDPS) introduced its generator drive prime power Interim Tier IV power ratings for diesel engines above 174 hp (130 kW) at POWER-GEN International 2009, Dec.
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October 2009
Verizon Center of Progress Building, Syracuse, NY
Feb 24-25, 2010
Renaissance Schaumburg Convention Center