19 Projects

MWRA, Harvard University Science Complex, Pipeline Eval to Enable Construction on Site

Harvard University Science Complex, MWRA Sewer

Allston
,
MA

Harvard University planned to locate a new science complex above a Massachusetts Water Resources Authority (MWRA) brick masonry pipeline that was over 115 years old. The University was concerned...

Casey Arborway Project, Demolition of Bridge No. B-16-367

Boston
,
MA
Project Contacts:

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...

Bingham Canyon Mine

Salt Lake City
,
UT
Project Contacts:

A conveyor belt runs along one of the canyon benches at the copper mine. The upper slope of the canyon was undergoing a slow and predictable landslide transverse to the conveyor belt. To protect...

Diablo Canyon Power Plant Avila Beach

Diablo Canyon Power Plant

Avila Beach
,
CA
Project Contacts:

Diablo Canyon Power Plant, in operation since 1985, uses two Westinghouse Pressurized Water Reactor units to produce 18,000 gigawatt-hours of electricity.  PG&E retained SGH to support the re-...

Huachipa Water Treatment Plant Lima, Peru

Huachipa Water Treatment Plant

Lima
,
Peru
Project Contacts:

Ramal Norte Pipeline is a 27 km long subsurface pressure pipeline that provides drinking water from Huachipa Water Treatment Plant to several districts in Lima, Peru. The pipeline was in temporary...

South Texas Project Nuclear Power Plant, Units 3 & 4

Bay City
,
TX
Project Contacts:

The South Texas Project is a twin-reactor facility that produces 2,700 MW of power.  To increase the power generating capacity, the plant planned to add two advanced boiling water reactors to the...

Savannah River Site, Pit Disassembly and Conversion Facility

Aiken
,
SC
Project Contacts:

The U.S. Department of Energy (DOE), in conjunction with the National Nuclear Security Administration’s Office of Fissile Materials Disposition, planned to eliminate stockpiles of weapons-grade,...

Pantex Component Evaluation Facility

Amarillo
,
TX
Project Contacts:

Pantex planned the new Component Evaluation Facility (CEF) to meet criteria for withstanding mixed categories of various intensities of natural phenomena hazards (NPH), and accidental, and...

Sudbury Aqueduct

Needham
,
MA

Built in 1880, the aqueduct was a major pipeline for the City of Boston’s water distribution network until 1940, when the Hultman Aqueduct replaced it. Connecting reservoirs in Framingham with the...

Central Arizona Project

Tucson
,
AZ
Project Contacts:

The 252 in. dia. concrete pipe is used in siphons to convey water in the Central Arizona Project and is the largest diameter pipe in the world. The pipes have a 19.625 in. thick concrete core and...

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