Civil & Geotechnical Engineering Home Insights Publications Understanding geological history when selecting trenchless installation methods: Part two Part two of this three-part series looks closely at the complications associated with an HDD crossing in an over-deepened, coastal New England pre-glacial bedrock valley. Understanding geological history for trenchless installations: Part one Read how understanding the geology and ground behavior when selecting a trenchless method can lead to lower risk with an associated decrease in cost of that risk. Action planning for urban development Read Heather Scranton’s article in the ULI Boston/New England blog to learn how forward-thinking will make your urban development project more successful. 2018 Geo-Institute web conference: Earth retaining structures Haley & Aldrich’s Wystan Carswell presented “Support of excavation wall and ground movements” during Geo-Institute’s five-day web conference in August 2018. Preserving the foundations of Boston’s historic structures: Wood piles, groundwater levels, and underpinning In this video series, Mike Atwood and the Boston Groundwater Trust describe how Boston groundwater levels are monitored and the process of underpinning. Engineers Without Borders: Dedicated to improving lives Portland, Maine’s chapter of EWB is continuing to make a difference both locally and abroad, in Ethiopia, Haiti, Nicaragua and Ecuador. 2017 Geo-Institute web conference: earth retaining structures From the Geo-Institute's five-day web conference, Wystan Carswell and Jean Louis Locsin Haley & Aldrich presented during the session titled “Earth Retaining Structures.” Tailings dam Engineer of Record (EoR) In GEOSTRATA, Kimberley Finke Morrison and Christopher N. Hatton explore tailings storage facility failures and how the Engineer of Record role is changing. Continued drought spells concern about building foundations in Back Bay Mike Atwood of Haley & Aldrich explains how the condition of below grade timber piles in the Back Bay can be vulnerable due to recent droughts. MassArt building experiences metamorphosis An old gymnasium becomes a new center for design and media on the campus of the Massachusetts College of Art and Design. Ground improvement and building support: what is it and who is responsible? The increasing use of ground improvement for building support brings with it potential risks that must be addressed. Lessons from the Streetcar The use of trenchless technology in urban settings is firmly established, and the Atlanta Streetcar HDD project demonstrates how well it can succeed. Foundation innovations ensure successful bridge replacement Innovative design solutions and collaboration saved about $9 million during the construction of the new Sakonnet River Bridge in Portsmouth and Tiverton, RI. Replacement of Mile Brook Bridge Haley & Aldrich authors detail the innovative thinking that helped the replacement of the Mile Brook Bridge come to fruition despite a tight budget and aggressive schedule. Building a sustainable U.S. infrastructure: a whole systems approach Karin Holland, Senior Sustainability Specialist, explains the Envision system for infrastructure projects.