Boston Children’s Hale Family Building Update 10/23/17

Treviicos begins slurry wall construction for Boston Children’s Clinical Building

Underground construction specialist Treviicos, headquartered in Charlestown, MA, is at work constructing a slurry wall for Boston Children’s Hospital’s new $1 billion Clinical Building in the Longwood Medical Area. The building will be 11 stories high with four stories below grade, requiring a substantial slurry wall foundation to reinforce its’ superstructure and protect the building from groundwater. Accordingly, Treviicos will construct a three-foot-thick wall 790 linear feet long, with a maximum depth of 100 feet and average depth of 75 feet. Altogether, the wall will have a concrete surface area of 50,000 square feet.

Treviicos will use a combination of a one-to-two-level internal bracing system and a total of 50 tiebacks to support the Clinical Building’s slurry wall. Once the slurry wall is excavated, tiebacks will be installed within tieback sleeves injected into the slurry wall by Treviicos, and Treviicos will commence cement grouting along the excavated slurry wall in order to strengthen its’ concrete.

The slurry wall is expected to take 15 weeks to construct, after which construction of the building’s four below-grade and 11 above-grade floors will begin. The building's structure is expected to be complete in the fourth quarter of 2018, at which point exterior and interior finishing will begin in anticipation of the building's opening in the third quarter of 2021. Once complete, the 565,000-square-foot clinic will feature an expanded cardiovascular program, a new neonatal intensive care unit, individual rooms for patients and state-of-the-art technologies for pediatric care.

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