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140 New Montgomery Street

San Francisco, CA

Project Contacts: Carolyn Searls

Completed in the mid-1920s, 140 New Montgomery Street is one of the early skyscrapers built in San Francisco. The Art Deco high-rise, originally known as the Pacific Telephone and Telegraph Building, served as the headquarters for the...

Services:Building Enclosure Rehabilitation

Markets:Office

Keywords:Adaptive Reuse, Award Winning, Glass and Glazing, High Rise, Historic, Masonry, Masonry-Terra Cotta, National Register of Historic Places, Preservation Technology , Roof Replacement, Roofing, Windows

Pentagon, Mall Terrace

Arlington County, VA

Project Contacts: Joseph Rogers, Dean Rutila, Scott Silvester

The historic Mall Terrace is located on the Pentagon’s north side and comprises three monumental stone stairs, several sunken planters, and a large asphalt parking lot with concrete sidewalks at its perimeter. Most of the Mall Terrace...

Services:Building Enclosure Rehabilitation

Markets:Office

Keywords:Government, Historic, Plaza, Preservation Technology , Water Leakage, Waterproofing

U.S. Chamber of Commerce

Washington, DC

Project Contacts: Eric Ober, Joseph Rogers

Designed by Cass Gilbert and constructed in the 1920s, the Chamber of Commerce is listed on the National Register of Historic Places. The street-facing elevations feature a story-high, granite-clad water table with three stories of limestone...

Services:Building Enclosure Rehabilitation

Markets:Office

Keywords:Condition Assessment, Facade Inspection, Failure Investigation, Government, Roof Replacement, Roofing, Stone

400 Mare Island Way

Vallejo, CA

Project Contacts: James Mendygral, Carolyn Searls

The exterior cladding at this two-story office building was deteriorating and occupants were reporting water leakage. The property manager wanted to repair the facade. SGH investigated the condition of the cementitious fiberboard wall panels and...

Services:Building Enclosure Rehabilitation

Markets:Office

Keywords:Cladding / Recladding, Construction Administration, Field Testing, Occupied Renovation, Walls, Water Leakage

PG&E Building 215 Market Street Annex

San Francisco, CA

Project Contacts: James Mendygral, Carolyn Searls

Now part of Pacific Gas & Electric Company’s (PG&E’s) General Offices, The Matson Shipping Building (215 Market Street) was constructed in 1924 and is listed on the National Register of Historic Places. The seven-story annex...

Services:Building Enclosure Rehabilitation, Materials Rehabilitation

Markets:Office

Keywords:Award Winning, Coating, Concrete, Concrete Rehabilitation, Facade Inspection, Historic, National Register of Historic Places, Plaster, Preservation Technology , Stucco, Walls, Water Leakage, Windows

100 Binney Street

Cambridge, MA

Project Contacts: Peter Babaian

The ten-story building at 100 Binney offers attractive, leasable space to the tech and biotech companies moving into the growing Kendall Square area. The mid-rise structure nestles into the existing Cambridge neighborhood, while the sweeping...

Services:Building Enclosure Design

Markets:Office

Keywords:Balcony, Below-Ground Waterproofing, Concrete-Precast, Curtain Wall, Field Testing, LEED Projects, Office, Roofing, Waterproofing

Colonial Place

Arlington, VA

Project Contacts: Philip Frederick, Jeffrey Kerr

Colonial Place includes three office towers clad with ribbons of brick and window walls. The owner was looking to upgrade their existing windows in two 1980s buildings and make other building enclosure improvements. SGH conducted a condition...

Services:Building Enclosure Rehabilitation

Markets:Office

Keywords:Masonry-Brick, Occupied Renovation, Window Wall, Windows

One California Street

San Francisco, CA

Project Contacts: Carolyn Searls

One California, designed by Wellton Becket Associates, is a mid-century modern high rise featuring vertical runs of windows between columns clad with precast concrete panels. SGH performed a condition assessment of the precast panels and found...

Services:Building Enclosure Rehabilitation

Markets:Office

Keywords:Concrete, Concrete Mix Design, Concrete Rehabilitation, Concrete-Precast, Facade Inspection, Laboratory Testing and Analysis, Petrography

Tenant Fitout, 200 E. Randolph Street

Chicago, IL

Project Contacts: Matthew Johnson

This insurance company relocated their headquarters to the Aon Center, a prominent building in Chicago’s skyline, and wanted to connect their space on the 32nd and 33rd floors with a feature stair. SGH analyzed the existing structure,...

Services:Structural Design

Markets:Office

Keywords:Metal-Steel, Railing, Stair, Structural Glass, Structural Strengthening, Tenant Improvements

Millennium Tower, 301 Mission Street

San Francisco, CA

Project Contacts: Ronald Hamburger

With bedrock more than 200 ft below street level, the fifty-eight-story Millennium Tower, like most downtown high-rises, is founded on piles driven through soft, compressible clay soils deposited by the San Francisco Bay and extending into a...

Services:Structural Investigation, Structural Rehabilitation

Markets:Office

Keywords:Building Settlement, Concrete, Concrete-Post-tensioned, Concrete-Reinforced, Foundation, High Rise, Nonlinear, Pile, Retrofit/Upgrade, Seismic Analyses, Seismic Engineering and Retrofit, Settlement

Simpson Gumpertz & Heger

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Project Term Page Tabs

Looking for more?

140 New Montgomery Street

Pentagon, Mall Terrace

U.S. Chamber of Commerce

400 Mare Island Way

PG&E Building 215 Market Street Annex

100 Binney Street

Colonial Place

One California Street

Tenant Fitout, 200 E. Randolph Street

Millennium Tower, 301 Mission Street

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