Trenchless Practice Lead – East Coast, Delve Underground
Babs Marquis is a principal consultant at Delve Underground with 30 years’ experience in underground project design and construction. He is the Trenchless Practice Lead for the East Coast, and is located in the Burlington, MA office. Previously, Babs worked for Jacobs Engineering Group for 10 years and Stone & Webster Engineering Corporation for 11 years as a construction manager. During his extensive career in the trenchless industry, Babs has been involved in major tunneling and trenchless projects in the northeast for clients such as the Massachusetts Water Resources Authority, Boston Water & Sewer Commission, the Metropolitan District Commission (Hartford, CT), and Narragansett Bay Commission (Providence, RI), DC Clean Rivers Project, (Washington, DC), New York City Department of Design & Construction, New York City Department of Environmental Protection and New York State Department of Environmental Conservation .
For the past 21 years, Babs has focused on underground construction management for tunnels and conveyance pipelines, including water and wastewater pipeline design and construction projects, with an emphasis on trenchless construction methods. He has worked on various pipeline projects utilizing microtunneling with wet retrieval; pipe jacking; horizontal auger bore; and pipeline renewal methods such as pipe bursting, slip-lining as well as cured in place pipe lining. Babs developed a work activity matrix specifically for microtunneling risk management during construction which can be adopted for other trenchless construction methods. Babs was involved with the planning and design of the East Boston Branch Sewer Relief Project as part of the Boston Harbor cleanup, ordered under a Massachusetts Water Resources Authority (MWRA) consent decree. From 2009 to 2011 he was resident engineer on the project’s pivotal microtunneling and pipe bursting components. In 2011, East Boston Branch Sewer Relief was named North American Society for Trenchless Technology (NASTT) Project of the Year. Babs has authored and coauthored several papers for the NASTT No-Dig Show, American Society of Civil Engineers (ASCE) Pipelines Conference, and Rapid Excavation & Tunneling Conference (RETC); and is a member of NASTT, ASCE, Underground Construction Technology (UCT), and the Construction Management Association of America (CMAA).
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