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The California High-Speed Rail Authority (Authority) has released a series of photographs in its February 2020 construction update, showing progress made on California’s high-speed rail line, which will connect the mega-regions of the state, contribute to economic development and a cleaner environment, create jobs and preserve agricultural and protected lands.
When completed, Phase 1 of the high-speed rail line will run from San Francisco to the Los Angeles basin in under three hours, at speeds capable of over 200mph. The network will eventually extend to Sacramento and San Diego, totalling 800 miles with up to 24 stations. In addition, the Authority is working with regional partners to implement a statewide rail modernisation plan that will invest billions of dollars in local and regional rail lines to meet the state’s 21st century transportation needs.
San Joaquin River Viaduct
In north Fresno at the San Joaquin River Viaduct, construction crews have begun placing concrete to form the centre spans of the viaduct’s signature arches – representing the entrance into the City of Fresno. Crews have also begun stripping the falsework of the arches on either side of the viaduct.
February 2020: Construction crews placed concrete to form the centre spans connecting the San Joaquin River Viaduct structure’s signature arches. Credit: buildhsr.com
CP1: Avenue 7 Overcrossing / Madera County
At the edge of Madera County, just north of the San Joaquin River Viaduct, construction crews continue to haul in embankment/dirt to form the mechanically stabilised earth (MSE) walls of the future overcrossing at the Avenue 7 and Road 33 intersection.
CP 2-3: Hanford Viaduct / Kings County
Construction crews are currently pile-driving concrete production piles at the northern portion of the Hanford Viaduct, near Grangeville Boulevard. Nearly 7,000 production piles are required to provide foundation support for the Hanford Viaduct, which will allow high-speed rail trains to travel over Grangeville Boulevard, the San Joaquin Valley Railroad and State Route 198.
CP 4: Garces Highway / Kern County
Construction crews working on Construction Package 4 have now poured 465 cubic yards of concrete to form the deck at the Garces Highway Viaduct. With the concrete now cured, crews are working on installing post-tensioning ducts and rebar to form the structure’s stems. More concrete will be poured later in February 2020.
CP 4: Wasco Viaduct / Kern County
In the centre of town, at the Wasco Viaduct, construction crews have poured a total of 32 columns to the west and 11 columns to the east side of the pergola structure. Now, construction crews are working on the falsework for the edge girders that connects all the columns together. When complete, the Wasco Viaduct will be nearly a mile long.
For further project update information and more construction details and photos, please visit the Authority website.
This article first appeared on www.globalrailwayreview.com
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