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Home » Authors » Tim Newcomb

Articles by Tim Newcomb

Quantifiable Data Model Could Promote Use of Accelerated Bridge Methods

Tim newcomb
Tim Newcomb
October 13, 2010
No Comments
As accelerated bridge construction (ABC) catches on quickly in the United States—particularly in Utah—a former Federal Highway Administration engineer now at the Oregon Dept. of Transportation wants to create national standards for the practice. Rapid bridge replacement method may get standards. Benjamin Tang, ODOT’s bridge preservation managing engineer, says readily available criteria adaptable nationwide can help bridge owners establish when ABC construction makes sense. “We are trying to create something that addresses some of the criteria used by the owners to make choices that will result in the best selection,” he says. “Putting quantifiable data, when available, into the model
Read More

Vancouver Footbridge Clings to Cliff

Tim newcomb
Tim Newcomb
October 12, 2010
No Comments
Construction of a 700-ft-long footbridge�cantilevered out on 20 steel beams and clinging to the side of a canyon in North Vancouver, British Columbia�has been an adrenaline-pumping building project that, when finished, will leave tourists breathless. Visitors to the Capilano Suspension Bridge & Park will be able to view the surrounding Canadian rainforest from a galvanized steel walkway with a 20-in.-wide timber deck, which is suspended 300 ft above the canyon floor and attached to a granite cliff face up to 20 ft away. Photo: Capilano The timber bridge is anchored into the rock face with steel plates. Photo: Capilano The
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Old Dams, New Power

Tim newcomb
Tim Newcomb
October 6, 2010
No Comments
Large dam upgrades in North America are squeezing every megawatt out of the grid as efficiently as possible by converting century-old powerhouses and replacing decades-old turbines. Construction is under way at several sites, from Pennsylvania to British Columbia. Earlier this month, PPL Montana began upgrading its Rainbow Dam, a 36-megawatt dam on the Missouri River, six miles northeast of Great Falls, Mont., where 200 workers are under the direction of Chicago’s Walsh Construction. Photo: Courtesy BC Hydro British Columbian utility will boost generating capacity at W.A.C. Bennett Dam by phasing in five replacement turbine units by 2017. PPL Montana says
Read More

Portland Activity Report

Tim newcomb
Tim Newcomb
October 1, 2010
No Comments
Three of Portland’s four most noticeable construction projects include some type of housing—either affordable, homeless or retirement—while the fourth project creates an intimate home for the Portland Timbers of Major League Soccer, the city’s newest big-league sports franchise. Lew Bowers, central city division manager for the Portland Development Council, says that in the short term, his agency wants to see smaller, sustainable rehabilitation projects. “Long term, we don’t see a return to large, single-developer projects,” Bowers says. “Instead, we’re focusing on master planning with opportunities for a variety of developers to participate on specific parcels so projects are ready as
Read More

Vancouver Footbridge Clings to Cliff

Tim newcomb
Tim Newcomb
September 29, 2010
No Comments
Construction of a 700-ft-long footbridge—cantilevered out on 20 steel beams and clinging to the side of a canyon in North Vancouver, British Columbia—has been an adrenaline-pumping building project that, when finished, will leave tourists breathless. Visitors to the Capilano Suspension Bridge & Park will be able to view the surrounding Canadian rainforest from a galvanized steel walkway with a 20-in.-wide timber deck, which is suspended 300 ft above the canyon floor and attached to a granite cliff face up to 20 ft away. It was difficult to even find a starting point for the design of the unique cliff-hanging attraction,
Read More

Coast Crane Enters Bankruptcy with Sale Plan

Tim newcomb
Tim Newcomb
September 24, 2010
No Comments
Coast Crane Co. of Seattle filed for Chapter 11 bankruptcy on Sept. 21, but the company has a plan to sell to New York’s Clearlake Capital Group within 90 days. The agreement will give the private investment firm substantially all of Coast Crane’s assets, subject to an auction and Bankruptcy Court approval. Photo Courtesy Coast Crane Coast Crane filed for bankruptcy on Sept. 21. The crane, forklift and equipment company serves the construction industry on the West Coast and in Alaska, Hawaii and Guam. Products are rented and sold through from its network of 14 locations, serving approximately 3,000 customer
Read More

WSDOT Tackles Repairs On I-90 East-West Corridor

Tim newcomb
Tim Newcomb
September 2, 2010
No Comments
Work is under way on a $571-million upgrade to a mountainous, five-mile stretch of Interstate 90 - Washington’s busiest east-west connector. Located miles from Seattle, the scenic highway, which is part of Snoqualmie Pass, weaves through the Cascade Range. The Washington State Dept. of Transportation’s comprehensive plan calls for widening the road from four lanes to six, repaving it with freeze- and thaw-resistant concrete, straightening curves, stabilizing rock slopes, and adding a chain-up area and 1,200-ft.-long snowshed. Moreover, WSDOT will add or replace four bridges and build four new ones bridges and culverts in an effort to improve fish and
Read More

Nature Takes Over Demolition of Outdated Oregon Dam

Tim newcomb
Tim Newcomb
August 27, 2010
No Comments
During the dismantling of Gold Ray Dam, a 106-year-old timber cofferdam and 70-year-old concrete dam near Medford, Ore., the Rogue River blew through a sand spit, changing course and freeing the river�s run for the first time in over a century. Photo: River Design Group Oregon�s Gold Ray Dam is razed two weeks ahead of schedule after an unexpected breach. Photo: River Design Group Oregon�s Gold Ray Dam is razed two weeks ahead of schedule after an unexpected breach. Scott Wright, project manager for the Corvallis, Ore., office of design-build contractor River Design Group, says that the entire process actually
Read More

Nature Takes Over Demolition of Outdated Oregon Dam

Tim newcomb
Tim Newcomb
August 25, 2010
No Comments
During the dismantling of Gold Ray Dam, a 106-year-old timber cofferdam and 70-year-old concrete dam near Medford, Ore., the Rogue River blew through a sand spit, changed course and ran freely for the first time in more than a century. Photo: River Design Group Oregon’s Gold Ray Dam is razed two weeks ahead of schedule after an unexpected breach. Scott Wright, project manager for the Corvallis, Ore., office of design-build contractor River Design Group, says the entire process actually sped up the crew’s work by almost two weeks. Crews built two temporary sand-and-gravel cofferdams—one in the river and one in
Read More

Open Bell Soon to Ring at Issaquah High

Tim newcomb
Tim Newcomb
August 1, 2010
No Comments
Tight working footprints and even cozier timelines highlight the ongoing reconstruction of Issaquah High School in Washington as Bothell-based Cornerstone General Contractors pushes through its summer rush, striving to complete the school’s classroom and core areas in time for the return of students this fall. The $84-million transformation of the high school is the flagship project of a $241-million 2006 bond that includes work on more than a dozen Issaquah School District projects. It changes the high school from one built in the mold of 1960s open-circulation designs into a larger, low-impact, modern campus. The 285,000-sq-ft school is being built
Read More
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