Railway Track & Structures - February 2008 - (Page 9) 772/Ryan Road in Loudoun County. Service on the new Metrorail line will continue from stations in the Dulles Corridor onto the existing Orange Line tracks and serve the Orange Line stations from East Falls Church through Arlington County and into Washington, D.C., to the Stadium-Armory Station. Most of the extension will be constructed in the median of the Dulles International Airport Highway and Dulles Connector Road. The extension includes 11 new stations, a new rail yard on Dulles Airport property and improvements to an existing rail yard at the West Falls Church Station. taining walls will be built along the rightof-way to support track restoration, allowing for improvements to service. The T’s contractor, J.F. White, has begun preliminary work at each bridge in preparation for demolition and reconstruction. Work requires a temporary one-track operation at Uphams Corner Station that will continue throughout the entire project, slated for completion in summer 2010. At various phases of the project, customers will be redirected to opposite platforms for inbound and outbound service. Over the past 10 years, the MBTA has spent approximately $90 million on its bridge management program. The T plans to spend $75 million over the next five years for bridge repair and replacement, which includes funding for six bridges as part of the Fairmount Corridor Improvement Project. The MBTA owns 471 bridges, including 282 commuter rail bridges. MBTA Fairmount Bridge Project under way According to MBTA General Manager Daniel A. Grabauskas, the complete replacement of the Columbia Road, Quincy Street and Massachusetts Avenue Commuter Rail bridges located along the Fairmount Corridor in Dorchester, Mass., is under way. At a cost of $22,865,000, the existing superstructure and substructure of each bridge will be demolished and replaced with structurally sound support systems. New re- November crosstie report Production continued a zigzag pattern that began in July. The latest “zig” is 16 percent down. Meanwhile, purchases are making an unseasonable surge upward of 24 percent. Inventories fell by two percent. The inventory-to-sales ratio decreased from 0.81 to 0.78. Year-to-date market data. Purchases are close to (within 1.9 percent) this past year’s results. Production is well behind this past year at this month, a total of eight percent. Purchases surpassed production in November, maintaining a pattern that characterized most of the year. Annual market data. Production is gradually slowing and settling in at 20.7 million ties during the past 12 months. Purchases declined starting in March 2007, but picked up speed, and now stand at 21 million ties. This is one percent growth for the year and is 14 percent higher than the average from the past five years. Since November 2006, the inventory-to-sales ratio fell from 0.80 to 0.78. Copyright RTA, 2007 www.rtands.com Railway Track & Structures February 2008 9 http://www.rtands.com
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