Designed by Gensler, Catalog is a five-story dining, retail, and entertainment hub located at the base of the 1970s Willis Tower. The repositioning project, which redevelops 388,900 sq ft of amenity space in this Chicago icon, also includes three...
Although the station was modified many times since opening in 1898, Government Center Station lacked accessibility. The Improvements Project includes installing new elevators from the surface to the Green and Blue Line levels, renovating...
The elevated section of Route 203, known as the Casey Overpass or Bridge No. B-16-367, carried the Arborway over Washington and South Streets in Boston’s Jamaica Plain neighborhood. The Casey Arborway Project involved removing structurally...
The Sacramento Kings’ new arena is in the heart of downtown Sacramento. To tie the building to the surrounding neighborhood, the arena’s design blends inside and out with large overhead doors, an outdoor terrace, and aluminum cladding...
The existing fender systems at two berths of a refinery terminal were significantly deteriorated. SGH was the engineer of record for the design of a replacement fender system. We developed an innovative modular design that could...
Portions of the Hynes Convention Center (Hynes) are located directly over I-90, the Massachusetts Turnpike. A fifty-year-old, cast-in-place concrete slab suspended from the underside of the Hynes served as the ceiling for the western...
The structure for the Massachusetts Bay Transportation Authority (MBTA) Charles Street/MGH Station included a 1914 riveted steel, through-girder viaduct that carries two tracks of the MBTA’s Red Line transit system. As part of the...
The Jamaicaway Towers Parking Garage required extensive concrete demolition and repair due to widespread deterioration of the structural elements. P.J. Spillane engaged SGH to develop and design means and methods to provide temporary support...
Abstract: The Hynes Convention Center is located in the heart of Boston’s historic Back Bay neighborhood. Portions of the Hynes are located directly over I-90, the Massachusetts Turnpike. A 50-year-old cast-in-place concrete slab, suspended...
Abstract: Designing structures in northern Greenland, where the environment consists of extremely cold temperatures, permafrost subgrade, and high wind speeds, presents a number of technical and logistical challenges. In this specific case study...