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haywardbaker.com
Jet GroutingWentworth Institute of Technology | Beatty Hall | Boston, MA
Kevin Dawson, PE, Vice President, New England Area Manager
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Presentation Overview
• Overview of jet grout underpinning
• Overview of risk and reward of jet grout underpinning
• Project Summary - Holyoke Medical Center
• Conclusions
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An erosion based
ground improvement
system used to create in
situ cemented
geometries of soil and
binder (Soilcrete).
Jet grouting is…
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Risks and Rewards of Jet Grout Underpinning
Versus Pit Underpinning
Rewards
• Reduced schedule
• Reduced cost
• Adaptable to challenging
geometry
Risks:
• Heave/settlement
• Ability to measure structure
response and react
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Holyoke Medical Center Emergency Department
Expansion
Owner – Holyoke Medical Center
Architect - SMRT
Construction Manager – G. Greene Construction
Site Contractor – A.J. Virgilio
Underpinning Contractor – Hayward Baker, Inc.