Central Artery Vent Building No. 4, Boston, MA

Part of Boston’s Central Artery project, construction of Vent Building No. 4 included fresh air intake and exhaust vent stacks for the new underground Central Artery, a 310-car parking garage, and renovations to the MBTA’s Haymarket Station. 

Client:		MassDOT
Designer:		Bechtel/Parsons/Brinkerhoff
Size:		65,000 SF

 

Project Features

• New Vent Building consisting of three levels below grade and five levels above grade.
• Deep excavation for concrete ductwork 120-ft below grade.
• Slurry Wall pretrench and guidewall for excavation support and final substructure.
• Drilled shaft foundations.
• Sixteen reinforced concrete exhaust stacks with the tallest 125’ above street level.
• Zinc-coated stainless steel “rain screen,” architectural precast panels, and cast stone façade.
• Office space on upper floors and retail space at ground level.
• New Precast concrete framed 310-car Parking Garage.
• Garage partially constructed over the Haymarket MBTA station.
• Caissons installed through Haymarket Station.
• 24” storm drain installed in Hanover Street.
• Renovated lobby and handicapped access in the interconnected Haymarket Station.
• J/V with Walsh Northeast.