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Two Lanes Are Better Than One

The Virginia Avenue Tunnel (VAT), owned by CSX Transportation, in southeast Washington, D.C. is a crucial component of the East Coast railroad network. The single-track tunnel provides a bypass around Union Station and serves as a passageway for freight moving between ports, manufacturing centers and consumer markets. The 100 year-old, 3,800 ft tunnel can only accommodate one train at a time and has deteriorated throughout its years of service. Because of this, CSX is rebuilding and replacing it with two new structures to maximize capacity. The reconstruction will increase the tunnel width to hold a second track enabling northbound and southbound traffic to pass through simultaneously. It will also raise the height of the tunnel roof to make room for double-stack intermodal container trains.This will allow CSX to better serve customers and reduce rail and highway congestion.

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Construction began in May of 2015 and is expected to take up to 3.5 years to be completed. In order to minimize disruptions to surrounding neighbors, CSX has limited construction hours, controlled dust at the construction site to maintain air quality and created physical barriers to reduce noise, amongst other efforts.

After nearly a year and a half, phase 1 of construction is in the final stages. This phase included partial demolition of the existing tunnel, construction of the first new tunnel, backfilling excavation, and more. Phase 2 will focus on construction of the second tunnel.

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Kenseal Construction Products is proud to be involved in this high profile project! Craig Flater, Senior Account Manager, and the rest of the Kenseal Beltsville team have supported valued customer, AndieMac, the subcontractor tasked with the below grade waterproofing on the tunnel. Thus far, Kenseal has supplied Preprufe 300R Plus, which are unique composite sheets comprised of a thick HDPE film, pressure sensitive adhesive and weather resistant protective coating. Designed with Advanced Bond Technology™ and a dual adhesive ZipLap™, the Preprufe Plus membrane forms a unique, integral bond to poured concrete, preventing both the ingress and lateral migration of water while providing a robust barrier to water, moisture and gas. In addition, Kenseal also supplied the hot rubberized asphalt waterproofing for the project, Henry 790-11. This product is environmentally friendly, time-tested, and formulated to provide a monolithic, fully bonded roofing and waterproofing membrane.  

The application of these materials by the highly-skilled AndieMac team has gone very smoothly.

“Kenseal has been an invaluable partner for us in the ongoing completion of the CSX VA Ave Tunnel project. With a project as large and fast paced as this one, it is inevitable that field conditions will change and present unique challenges and demands for both material suppliers and installers. Kenseal’s ability to maintain a large inventory and wide variety of products allows us to react quickly to these changing conditions, which is crucial to the project’s overall success. So far, we have installed over 400,000 square feet of waterproofing products on the tunnel with absolutely zero material availability issues. Craig has provided us with exemplary service on this project, and many others. His depth of product knowledge, responsiveness, and dedication is second to none,” say Kevin Leasure, Project Engineer, AndieMac.

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Kenseal is proud to provide contractors with a complete line of high performance waterproofing materials for their demanding applications.

Kenseal Construction Products distributes quality innovative product lines to the waterproofing, sealant, glazing and concrete/masonry restoration markets. Founded in 1977, Kenseal has become one of the largest specialty construction product distributors in the country. Kenseal has 13 stocking locations located along the East Coast to ensure rapid order fulfillment. Our sales team is thoroughly trained to find solutions to the most challenging construction projects. Please visist Kenseal.com for more information or to contact us for any questions.

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