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INVESTIGATIONS AND DESIGN

SOILS, ROCK AND FOUNDATION INVESTIGATION
SFB's geotechnical and geological field investigation and sampling programs have shaped some of the largest projects in the Western United States. From rehabilitating existing levee structures to seismically retrofitting bridges, SFB has a history of designing and implementing a wide range of field investigations, often in unwelcoming terrain. We use deep-exploration borings to collect soil and rock cores for study, evaluate ground permeability through water pressure testing, and use down-hole geophysical studies to test seismic wave velocity.

Harnessing our experience with a wide range of sampling and testing equipment, our engineers can pinpoint subsurface conditions and predict soil and rock behavior during construction. Our state-of-the-art design parameters and construction recommendations have been used as the foundation for various privately and publicly owned structures, including high-rise buildings, hospitals, schools, shopping centers, highways, bridges, residential developments, pipelines and airports.

For more specific information, please view the Soils, Rock and Foundation Investigation section of SFB's Statement of Qualifications.

SLOPE STABILITY AND LANDSLIDE ANALYSIS
Slope stability and landslide analysis help SFB determine the behavior of soil and rock mass on slopes, using the data to make recommendations for stabilization. We study landslides, determining causes and offering repair solutions. We also provide services in instrumentation of slopes and excavations to monitor stability. SFB engineers and geologists also have experience installing monitoring systems for potentially unstable hillsides and steep construction excavations. SFB employees have successfully addressed shored excavations, and have conducted vibration monitoring during pile driving or blasting operations. SFB engineers routinely provide cost estimates for potential slope stabilizing schemes.

For more specific information, please view the Slope Stability and Landslide Analysis section of SFB's Statement of Qualifications.

SITE IMPROVEMENT AND GROUND STABILIZATION
SFB engineers offer decades of experience in providing site improvement recommendations to clients for a variety of structures and conditions. On marginally stable or saturated soils, we perform remediation and stabilization prior to construction, often harnessing innovative and cost-effective approaches. For example, at a million-square-foot distribution center, one of our principal engineers successfully mined non-expansive soil from adjacent properties to place beneath the building floor slab, rather than importing soil from remote locations. The procedure cut our client's costs significantly.

We use state-of-the-art technology to determine placement and improvement of soils and waste materials for support of pavements, on sloping lands or lands made marginal by flooding, and in reclamation of disposal areas. Additionally, our project managers have experience with conventional and innovative methods for soil improvement.

For more specific information, please view the Site Improvement and Ground Stabilization section of SFB's Statement of Qualifications.

PAVEMENT ANALYSIS AND DESIGN
We provide in-situ and laboratory evaluations of pavement distress and recommendations for reconstruction and repair. For airports, highways, city streets, parking lots, truck terminals, and port facilities, we provide recommendations for design and construction of flexible and rigid pavements. SFB services include on-site inspection, mapping of pavement distress, rejuvenation, repair, reconstruction, and flexible and rigid pavement design and construction.

For more specific information, please view the Pavement Analysis and Design section of SFB's Statement of Qualifications.

EARTHQUAKE ENGINEERING, SITE STRUCTURE AND SEISMIC RESPONSE ANALYSIS
At its most basic, our job is to predict likely seismic activity and its impact on any given project. We define the location and geometrics of faults, estimate the rate of occurrence of earthquakes, and use attenuation relations to predict ground motions from possible earthquakes. Our employees have extensive experience in analyzing earthquake ground motions for both proposed and existing facilities.

For more specific information, please view the Earthquake Engineering, Site Structure and Seismic Response Analysis section of SFB's Statement of Qualifications.

GEOLOGIC HAZARD ASSESSMENT
SFB's geologic hazard study capabilities include soil liquefaction, landsliding, fault trenching and seismic design criteria. We study existing data, maps, borings, and specially commissioned geomorphic studies to understand a landslide's or a fault's past behavior and to quantify the hazard posed to existing or proposed projects. We use this information to develop engineering criteria for our clients' projects.

For more specific information, please view the Geologic Hazard Assessment section of SFB's Statement of Qualifications.
Corporate Headquarters: 1600 Willow Pass Court Concord, CA 94520   Phone 925-688-1001
Copyright 2010, Stevens Ferrone & Bailey Engineering Company Inc.