• Hacienda Drive Void Evaluation, Vista, CA.

Mr. Fatemi’s role on this project as the project manager was to provide support and services to the client to identify the affected areas of a slab subgrade due a recent flooding in multiple stores in a mall. This project was urgent for the client. We were able to provide floor level survey, geophysical and geotechnical services in a timely manner and provide recommendations for the repair.

• City of San Diego Alvarado Road Realignment, San Diego, CA.

Mr. Fatemi provided a desktop and background study based on Caltrans available data for a proposed realignment of Alvarado Canyon Road which also involves design and construction of a new bridge. Mr. Fatemi provided a comprehensive background study following the Caltrans guidelines for preliminary geotechnical design report (PGDR). As part of the report, Mr. Fatemi provided recommendations for a subsurface exploration and considerations of different design aspect of the project including liquefaction, lateral spreading, settlement, and pile downdrag.

• San Diego International Airport AOA Gate Replacement, San Diego, CA.

Mr. Fatemi managed a geotechnical investigation project for the replacement of an existing AOA gate. This project involved a lot of logistics and coordination with the client and the airport to implement and finish.

• La Jolla Beach House Apartments, San Diego, CA.

Mr. Fatemi has been providing on-going consulting for a relatively challenging project with an existing deep fill, shallow groundwater, and deep excavation. Mr. Fatemi is giving the design team the direction and an approach on how they could save construction cost by performing additional investigation and monitoring.

• West Side UESD Seismic Hazard Analysis, Healdsburg, CA.

Mr. Fatemi performed a site-specific seismic hazard analysis for a new improvement in a public school. Mr. Fatemi performed a site-specific ground motion study based on ASCE 7-16 in which ground motions from the nearby causative faults were considered deterministically and probabilistically. Nonlinear site response analysis was also performed to incorporate the effects of liquefaction in the calculated design ground motion at the ground surface.

• San Diego American Indian Health Center Building, San Diego, CA.

Mr. Fatemi’s role on this project was to work with the design team to provide geotechnical recommendations to the structural and shoring engineers. As part of this project, a subsurface exploration and laboratory testing program was carried out to provide design parameters for the planned 45-foot-deep excavation and 10-story building foundations. A site-specific ground motion analysis was also performed to provide site-specific ground motion acceleration parameters. Mr. Fatemi managed and coordinated different tasks of the project from the subsurface exploration, through laboratory testing to the geotechnical recommendations and report writing.

• University of Utah Health Science Library Seismic Retrofit Ground Motion Study, Salt Lake City, UT.

Atlas was tasked to perform a Basic Safety Earthquake (BSE) ground motion study for retrofit (upgrade) analysis of the existing Health Science Library building on the University of Utah campus in Salt Lake City. Mr. Fatemi performed a site-specific ground motion study for four different seismic levels per ASCE 41-17 (BSE-2N, BSE-1N, BSE-2E, and BSE-1E) in which ground motions from the nearby causative faults in Utah were considered deterministically and probabilistically. Nonlinear site response analysis was then conducted to incorporate the response of the local soils in the calculation of the ground surface response spectra.    

• University of Utah Discovery Building Site-specific Ground Motion Hazard Analysis (GMHA), Salt Lake City, UT.

Mr. Fatemi provided site-specific ground motion hazard analyses for a new five story medical/office building in University of Utah Campus in Salt Lake City. Mr. Fatemi calculated the probabilistic and deterministic risk-targeted maximum considered earthquake (MCER) response spectrum  using OpenSHA and available ground motion prediction equations, and followed the ASCE 7-16 guidelines for computing the final site-specific design response spectrum.  

• Tajiguas Sanitary Landfill Capacity Increase Environmental Impact Report (EIR), Santa Barbara County, CA.

Mr. Fatemi provided geotechnical evaluations in support of the EIR for the capacity increase of the Tajiguas Sanitary Landfill. He also performed slope stability analyses for static and pseudo-static conditions for final waste grades and cut slopes. Mr. Fatemi also assisted in the seismic hazard analysis and time histories selection and scaling. Time histories were then used as input ground motions in the equivalent linear and non-linear site response analyses. Mr. Fatemi used the results of the slope stability and site response analyses to perform permanent seismic displacement estimates using Newmark method.      

• Rolling Hills Estates Drywells Siting Study, Rolling Hills Estates, CA.

Mr. Fatemi planned, coordinated, and conducted geotechnical field investigation for drywell feasibility study for multiple locations. Field investigation included cone penetration, hollow stem auger drilling and sampling, and infiltration testing. His responsibilities included logging the subsurface conditions, collecting samples, and specifying laboratory tests. Mr. Fatemi performed infiltration calculations to provide design infiltration rates and recommendation to be used in the design and construction of the drywells.     

• University of California at Santa Barbara Chemistry Building Seismic Retrofit, Santa Barbara, CA.

Mr. Fatemi developed soil spring models for the existing deep foundation system of the chemistry building as part of seismic retrofit of the structure. Mr. Fatemi’s responsibilities included review of available data, soil profile development, and analyzing the existing piles individually and in groups. Horizontal and vertical load-deflection pushover curves for different pile configurations were developed and provided to the structural team.    

• Santa Ana-Delhi Channel Improvement Project, Newport Beach, CA.

Different alternatives for improving the channel were developed and evaluated. As part of considering different alternatives, Mr. Fatemi analyzed the stability of the right and left banks and bridge abutments with different types of improvement including cement deep soil mixing (CDSM), soldier piles, and anchored sheet piles for static, seismic, scour conditions.  

• Sunshine Canyon Landfill, Sylmar, CA.

Mr. Fatemi provided CQA services for construction of gas collection wells. Mr. Fatemi monitored the drilling, provided odor control measures during drilling, and recorded the temperature and composition of the waste. Depth of the gas wells were checked at the end of drilling per design requirements. He also checked the diameter and length of the perforated and solid PVC, and annular backfill material during the gas wells installation. Boreholes for the gas wells were 3 feet in diameter and 90 to 180 feet deep with 8-inch dimeter PVC pipes.    

• Confidential Project, Brea, CA.

Mr. Fatemi planned, coordinated, and conducted geotechnical field investigation for a new 180,000 square feet delivery station building, associated parking, and BMP infiltration feasibility. Field investigation included cone penetration testing, hollow stem auger drilling and sampling, and infiltration testing. His responsibilities included logging the subsurface conditions, collecting samples, and specifying laboratory tests.

• Hillcrest Country Club Water Master Plan, Los Angeles, CA.

Mr. Fatemi planned, coordinated, and conducted geotechnical field investigation for the design of a 500,000 gallons storage tank and an associated treatment facility. His responsibilities included logging subsurface conditions, collecting samples, and specifying laboratory tests.  Mr. Fatemi estimated total and differential settlements due to geological change occurring within the footprint of the project area. He also provided recommendations for the tank subgrade and ringwall foundation, heavy equipment foundations, and a retaining wall.

• Savage Canyon Landfill Operations Layer CQA, Whittier, CA.

Mr. Fatemi performed CQA for placement of operations layer on a slope liner area to ensure operations layer design specifications such as composition, layer thickness, maximum particle size were satisfied, and the underlying geosynthetic liner was not exposed to potential damage during the operations layer placement.

• Lincoln Bluffs Slope on Lake Erie, Mentor, OH.

Mr. Fatemi led the subsurface exploration program using HSA borings for a new residential building on Lake Earie bluffs. Mr. Fatemi specified and oversaw laboratory testing including grain size analysis and hydrometer, Atterberg limits, direct shear, and UU Triaxial tests. He also performed an extensive slope stability analysis to provide required setback from the slope.

• Independence Blvd. Bridge, Parma, OH.

Mr. Fatemi planned and managed field testing including HSA sampling and rock coring for the replacement bridge study. Specified laboratory testing including grain size analysis and hydrometer, Atterberg limits and uniaxial compressive strength of rock. Provided recommendations for axial and lateral capacity of drilled piers bearing on rock.

• Mill Creek Metroparks Lake Newport Road Slope Failure, Youngstown, OH.

Mr. Fatemi managed and planned a forensic subsurface exploration using hollow stem auger borings for a slope failure forcing the park road to close to vehicles. The slope failure was monitored using inclinometer readings to verify the depth of failure and to collect data for the stabilization design. Mr. Fatemi specified and oversaw laboratory testing including Atterberg limits, direct shear, and ring shear tests. Mr. Fatemi performed an extensive slope stability analysis and stabilization design. The final stabilization design included 30-inch diameter drilled shafts drilled into competent bedrock.

• BC Cobb Power Plant Fly Ash Pond Closure, Muskegon, MI.

Mr. Fatemi planned a field investigation program including HAS borings. Mr. Fatemi specified and interpreted field and laboratory testing including permeability, direct shear, and CU triaxial tests. Saturated and unsaturated (SWCC) permeabilities and shear strength parameters for subsurface soils were estimated to perform transient seepage and slope stability analyses for multiple cross-sections in the perimeter berms for rapid drawdown, dewatering within the ground, shutdown of dewatering wells, and post construction conditions.

• Interstate 90 Innerbelt Bridge West Slope Monitoring, Cleveland, OH.

Mr. Fatemi assisted with an extensive slope monitoring program on the west slope of I-90 bridge on Cuyahoga River. He collected, reduced, and graphed the geotechnical and structural instrumentation and monitoring data from 53 piezometers and 24 inclinometers. Mr. Fatemi performed data reduction for strain gauges and load cells for a slope stabilization structure that consisted of driven piles, drilled shafts, anchors, and tie beams. Mr. Fatemi provided the interpretation of the readings in a report to the client (Ohio Department of Transportation) on a quarterly and mid-year basis.

• Rosby Hill, Valley Belt, and RKDF Construction and Demolition Debris (CDD) Landfills, Brooklyn Heights, OH.

Mr. Fatemi lead an effort to plan and coordinate an extensive subsurface exploration, laboratory testing, and groundwater monitoring for three adjacent construction and demolish debris (CDD) landfills. Mr. Fatemi mapped the subsurface strata three-dimensionally throughout the landfills, and provided subsurface cross-sections illustrating the soil layers and groundwater table. He also carried out slope stability analyses for multiple profiles for the existing conditions, proposed CDD landfill, and pseudo-static conditions.

• 93-foot High Chagrin Bluffs Slope Stabilization, Moreland Hills, OH.

Mr. Fatemi planned and managed a filed investigation including Standard Penetration Testing, pore water pressure monitoring, and laboratory testing for the new resident which was planned on top of a 93-foot high slope. Mr. Fatemi performed an extensive slope stability analysis of multiple profiles of the existing conditions of the slope, and possible stabilization scenarios including ground anchors, resloping, and sheet pile.

• Mentor Harbor Yacht Club, Mentor, OH.

Mr. Fatemi planned and managed geotechnical services including hollow stem auger borings offshore on Lake Erie from a floating plant. He managed and provided geotechnical laboratory testing including Atterberg limits, grain size and hydrometer, specific gravity, consolidation, and UU triaxial tests for Army Corp of Engineers' team.

• Carter Road Slope Failure on Cuyahoga River, Cleveland, OH.

Mr. Fatemi was involved heavily with a forensic study for a slope failure on Carter Road in Cleveland. Mr. Fatemi managed and performed geotechnical services including a review of historical subsurface investigations, coordination of new subsurface exploration program, ground movement monitoring, and laboratory testing. Mr. Fatemi performed an extensive slope stability analysis and worked with the structural team in the retaining wall design process. Mr. Fatemi was part of the team to present the results of the study to the City of Cleveland (client), stakeholder, and potential developers.

• Bill Stanton Community Park on Lake Erie, Madison, OH.

Mr. Fatemi provided geotechnical services including subsurface data interpretation, pore water pressure measurement, slope stability analysis, and stabilization recommendations for a 60-foot high bluff on Lake Erie.

• Swan Creek and Point Place Levees, Toledo, OH.

Mr. Fatemi planned and coordinated hollow stem auger borings and sampling along the Swan Creek and Point Place levees. Mr. Fatemi completed an extensive slope stability analysis for long-term and rapid drawdown conditions. Mr. Fatemi also performed a thorough time-settlement of the levee due to placement of a new fill. This project was reviewed by FEMA.

• South Woodland Road (SR-87) Slope Failure and Retaining Wall Design, Moreland Hills, OH.

Mr. Fatemi provided geotechnical services including interpretation of subsurface exploration, field instrumentation and data reduction, and laboratory testing. He also performed a thorough slope stability analysis for different stabilization scenarios including existing conditions, soil buttresses, sheet piles, and tangent piles.

• ODOT Roadway and Bridge Projects in Northeast Ohio Counties, OH.

Mr. Fatemi was involved on planning and coordination of multiple filed investigations for ODOT roadway and bridge projects in northeast Ohio. The filed investigations generally included hollow stem auger borings and rock coring. Mr. Fatemi performed soil and rock classification and specified laboratory testing including Atterberg limits, grain size and hydrometer, unconfined compressive strength, point load, uniaxial compressive strength tests. The results of the subsurface explorations were provided in report that provided shallow and deep foundation recommendations and construction considerations.

• Geotechnical Evaluation Services for Residential, Commercial, and Industrial Structures, OH.

Mr. Fatemi led the subsurface investigation program for multiple residential, commercial, industrial building in northeast Ohio. Field explorations typically included hollow stem auger borings, cone penetration testing, plate load testing, and test pits. Mr. Fatemi collected and analyzed test data, provided recommendations for shallow and deep foundations, engineering fill requirements, slab-on-grade subgrade preparation, and considerations for construction on high plasticity clays.