John Hennessy III,
P.E.
Approximately 20 percent of the SR 99 tunnel was designed to be built without Bertha, the SR 99 tunneling machine. Seattle Tunnel Partners bored more than 1,000 feet of tunnel before they stopped to repair Bertha. Since then, they have built an additional 1,200 feet of tunnel using cut-and-cover tunnel construction. This video gives a close-up look inside the newest part of the project to learn more about the tunnel built without Bertha.
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MIDDLEBURY INSTITUTE OF INTERNATIONAL STUDIES AT MONTEREY
CENTER FOR THE BLUE ECONOMY
In 2013, the American Petroleum Institute and the National Ocean Industries Association, oil and gas industry groups, commissioned Quest Offshore Resources, Inc., to prepare a report (the Quest report) on the economic impacts of offshore drilling in the Atlantic. This report has been widely cited to make the case for opening the Southeast to oil and gas development based on significant local, state, and regional benefits from drilling…This summary identifies issues with the Quest report that lead to significant overestimates of the economic impacts of offshore drilling in the Atlantic and provides an overview of the existing ocean economy of the South Atlantic region in order to provide the context of the industries that could be vulnerable to disruptions from oil and gas activity.
AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)
ALABAMA SECTION
The bad news is that Alabama’s infrastructure has some challenges that you should know about before it’s too late to keep these systems from breaking down. Infrastructure deteriorates every single day as it ages, just as our bodies do, and many of these critical systems are reaching the end of their useful life…The good news is there are solutions to all these challenges , and we can raise Alabama’s infrastructure grades. By learning more today about the conditions of the infrastructure you use every day, you too can help raise the grade.
Traveling from San Francisco to LA? Not as easy as you’d think. Find out the advantages high-speed rail will offer over driving and flying.#Iwillride
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This video shows the installation of rumble strips in MnDOT’s District 8 in October 2015.
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DISTRICT DEPARTMENT OF TRANSPORTATION
The goal of Vision Zero is straight-forward: zero fatalities and serious injuries in our transportation system, because no loss of life is acceptable. Vision Zero was first adopted in Sweden in 1997. Since then, fatal and serious injuries in Sweden have consistently declined, despite a regular increase in people driving, walking, biking, and using transit.
ODOT and contract crews reopen Oregon 230 (West Diamond Lake Highway) after heavy snows and fallen trees block the roadway for more than a week. Several times crews had to leave due to falling trees. Hazard trees that had been sprung by the snow were also removed.
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NATURAL RESOURCES DEFENSE COUNCIL
As California bids farewell to a fourth, searing year of drought, we don’t know what Mother Nature has in store for us next year. We may face torrential downpours associated with the strong El Niño in the Pacific Ocean. We may face another crippling year of drought. Or we could experience something in between. But we do know that California has experienced multi-year droughts in the past and will again. As a state, we must prepare for these inevitable droughts if we are to continue to support our growing population, thriving economy, and healthy environment.
HAWAII STATE ENERGY OFFICE
The past year marks a turning point in the history of energy in Hawaii. Since the establishment of the Hawaii Clean Energy Initiative in 2008, the state has been moving from fossil fuels to clean energy sources. Building on tremendous progress in recent years, in 2015 the state accelerated its commitment to an unprecedented level: 100 percent renewable energy in the electricity sector by 2045. This report details Hawaii’s efforts to increase energy efficiency, renewable energy, and the regulatory, technical and practical efforts required to make this world’s-first ambition possible.
The DC Power Line Undergrounding (DC PLUG) project represents a public-private partnership between the District government and Pepco that will result in the strategic undergrounding of overhead feeders in Wards 3, 4, 5, 7 and 8…Through this initiative, the high-voltage feeders most affected by outages will be installed underground. Approximately half of the District is already served by undergound lines. Secondary and service lines will remain overhead on the existing poles.
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