Published Nationally Northeast Edition
® July 11 2018 Vol. LVI • No. 14
“The Nation’s Best Read Construction Newspaper… Founded 1957.”
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Inside
Tunnel to Mitigate Chronic Sewer Flooding By Jennifer Rupp CEG CORRESPONDENT
3 World Trade Center to Open After Many Delays…10
ECA Celebrates 100 Years in Business…22
Nuanced Advancements Mark Loader Design…78
Table of Contents ................4 Paving Section..............53-66 Wheel Loaders, Tool Carriers & Attachments Section ........ ......................................67-86 Parts Section....................118 Auction Section ......122-133 Business Calendar ..........127 Advertisers Index ............134
Since the early 1900s, Washington, D.C., has battled chronic sewer flooding from an undersized sewer system not built for the boom of the District. Currently, there is a 50 percent chance that flooding could occur in any given year and there are six areas that are plagued by continuous overflow. In fall of 2017, DC Water began a project that will significantly mitigate the chance of flooding and provide a system capable of handling a 15-year storm in the areas it serves. The Northeast Boundary Tunnel (NEBT) is 27,000 ft. long and 23 ft. in diameter. This reinforced concrete sewer tunnel will increase the capacity of the existing sewer system in the District, significantly mitigating The German-manufactured Herrenknecht tunnel boring machine features a 26 ft.-3 in.-diameter sewer flooding and improving the cutterhead. water quality of the Anacostia River. The NEBT is the largest component of the DC Water’s “Clean Rivers ities along the tunnel alignment to capture flows from the existing sewer Project” and will start just south of the RFK Stadium and extend north to system and divert them to the tunnel. Ventilation control facilities will be added to regulate air flow. The NEBT will connect with the First Street Rhode Island Avenue and west to R Street NW. In addition to the tunnel, DC Water will be constructing diversion facil- Tunnel and Anacostia River Tunnel to provide a complete gravity system from Northwest DC to Blue Plains Advanced Wastewater Treatment Plant, where all flows captured by the tunnel system will be delivered for treatment prior to discharge to the Potomac River. A joint venture of SaliniImpregilo/Healy (SIH) was NEW YORK (AP) A rail line that will let Gov. Cuomo Office photo selected based on the highest train passengers travel between midtown technical score and lowest Manhattan and LaGuardia Airport will be price proposal. The $580 milstarted with the signature of legislation by lion bid is for design-build, a New York Gov. Andrew Cuomo. contract type adopted by DC “How can you not have a rail train to the Water in recent years. DC city from a New York airport? I mean, it’s Water recently adopted the just incomprehensible, right?,” the design-build method to allow Democrat said June 25 before signing the for more contractor innovation AirTrain construction bill into law after and greater coordination with detailing the plans during an event at the the project owner. World Trade Center in lower Manhattan. “With this decision, the
Cuomo OKs Bill for $1.5B Rail Link Between Midtown, LaGuardia Airport
see LINK page 94
see TUNNEL page 108