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Apartments and Multi-Family

  • Avenue of the Arts, Apartment Community, Costa Mesa, California
    Geotechnical subsurface exploration, precise grading plan reviews, and soil observation/testing and special inspections (concrete) during grading and construction of major site renovations for the existing apartment community adjacent to the Orange County Performing Arts Center in Costa Mesa. New and remodeled facilities included pools, aesthetic features, a rock climbing wall, sports center, and extensive landscape improvements.

    Project Owner: AIMCO.

  • The Village Apartment Homes, Irvine, California
    Comprehensive geotechnical services including subsurface exploration, design, and observation and testing services during grading, temporary shoring and construction of a 30-acre apartment community. The luxury apartment community includes 12 buildings, four recreation buildings and associated pools, and frontage first floor retail that included mini-markets, coffee and yogurt stores and dry cleaning. Each of the 12 buildings contains 300 to 400 units and consists of 3- to 4-stories above ground and 1- to 2-stories subterranean parking levels.

    Project Owner: Irvine Apartment Communities.

  • Villa Sienna Apartment Homes, Irvine, California
    Geotechnical services included design exploration, rough and precise grading plan reviews, shoring and foundation plan reviews, and observation and testing services during grading, temporary shoring and construction of a 30-acre apartment community. The project includes 12 buildings, consisting of 3- to 4-stories above ground and 1- to 2-stories subterranean parking levels. Each building contains approximately 300 to 400 units. Geotechnical constraints included highly expansive soils, organic-rich and Pleistocene fossil-rich soils associated with deposition of the adjacent San Joaquin Marsh.

    Project Owner: Irvine Apartment Communities.

  • Bayview Landing, Affordable Senior Living, Newport Beach, California
    Geotechnical subsurface exploration, rough and precise grading plan reviews, and observation and testing during grading and construction of the 5-acre building site and adjacent passive park located at Back Bay Drive and Jamboree Road in Newport Beach. Geotechnical design features included slope buttress design and mitigation of shallow groundwater and salt water intrusion.

    Project Owner: Related Companies.

 

Water Resources

  • Zones 4 and 6 Domestic and Zones C and D Recycled Water Tanks, Portola Springs, Orange County, California
    Geotechnical subsurface exploration for a design of two 2.5-million-gallon domestic water tanks and two 0.7-million-gallon reclaimed water tanks.  Tasks included evaluation of deep cuts into sedimentary bedrock (up to 50 feet), settlement analysis, slope stability analysis for a temporary cut slope up to 100 feet high, and site specific seismic analysis.  NMG also provided comprehensive geotechnical observation and testing and materials testing during rough grading and construction of the four water tanks.

    Project Owner:   Irvine Ranch Water District.

  • Water and Sewer Pump Stations, Southern California
    NMG has provided geotechnical evaluations, design support, and construction sersvices for new pump and lift stations projects throughout southern California.  Geotechnical design services included subsurface exploration, structural design input, settlement analysis, seismic hazard analysis, and temporary and permanent slope stability analyses. Services during construction include materials testing, geotechnical observation and testing of compacted fill, subgrades, pavements and trench backfill.

    Project Owners: Various public agencies.

  • Water/Sewer/Storm Drain Pipelines Southern California
    NMG has provided geotechnical design explorations in support of thousands of miles of water, sewer, and storm drain pipelines throughout southern California for both private and public entities. NMG also provides geotechnical observation and testing and construction management support services during pipeline installation. These field services include trench bottom evaluation, observation of pipe zone bedding, and testing of both select and native backfill materials.

    Project Owners: Various public agencies and private companies.

  • Michelson Water Reclamation Plant Expansion, Irvine, California
    The Michelson Plant is located at the northeastern limits of the San Joaquin Marsh in Irvine. The 3 year construction project will increase the capacity of waste water treatment from 18 to 28 million gallons per day. Improvements consist of numerous new at grade and partially subterranean structures, thousands of linear feet of trunk sewer pipelines and utilities, a perimeter flood wall, and repaving of the entire site. NMG was selected to provide the geotechnical observation and testing as well as the materials testing for this multi-million dollar expansion to the existing facility.

    Project Owner: Irvine Ranch Water District.

 

Landslide and Slope Repair

  • Buck Gully Emergency Landslide Repair, Newport Beach, California
    Emergency geotechnical subsurface exploration and design of temporary and final slope repair for a 50,000 cubic yard landslide that failed after a heavy storm season and stream cutting at the base of the hillside. Geotechnical evaluation of the active landside included review of conditions under homes above the slide and assessment of risk of additional slope failures. This resulted in design of temporary soldier piles, phased earthwork, night grading to create a temporary “kicker” fill to protect homes prior to final slope repair. The hillside was buttressed and an internal subdrainage system was installed.

    Status: Project complete.

    Project Owner: Irvine Community Development Company.

    Time Frame: 1995.

  • El Toro Road Landslide Repair, Mission Viejo, California
    Geotechnical subsurface explorations, rough and precise grading plan reviews with remedial buttress design for over 1 mile of roadway constructed on ancient landslides adjacent to Aliso Creek. Observation and testing with geologic mapping during grading. Geotechnical design features included select granular material below the groundwater table, geosynthetic-reinforced slopes ranging from 1.2H:1V to 1.9H:1V slope ratios, time domain reflectology (TDR) remote slope movement monitoring system, and standard slope inclinometer systems. Challenges included temporary re-routing of Aliso Creek, construction below the groundwater table, maintaining full access to the adjacent residential development, and full-time monitoring of remedial excavations.

    Status: Project complete.

    Project Owner: City of Mission Viejo.

    Time Frame: 1997 through 2002.

  • Instrumentation and Slope Monitoring, Various Projects, California
    NMG can provide instrumentation and slope monitoring during construction and excavation of improvements as well as monitoring of slope movements after construction.  Slope inclinometers are often installed and used to monitor slope movements adjacent to potentially unstable excavations and slopes.  This tool is used to determine lateral ground movement from near the ground surface extending to considerable depth.  NMG also provides tilt-meter monitoring, vibration monitoring, manometer surveys and crack monitoring services during construction and/or for long term monitoring of distress features.

    Project Owners: Various private companies and agencies.

    Time Frame: 1994 through present.

 

Master Planned Communities

  • Orchard Hills Development, Planning Areas 1 and 2, North Irvine, Orange County, California
    Geotechnical input from the early planning stages, followed by explorations, grading plan reviews, and field services during rough grading for the 4,200-acre master planned community in the foothills of the Santa Ana Mountains, north of Portola Parkway. Project will include 5,900 residential units, several parks, school, retail center, trail system, and over ten water quality basins. Studies included a detailed fault investigation and a special study of a large active landslide on Loma Ridge that required helicopter airlift of drilling rig. Grading to date has included up to approximately 14 million cubic yards of hillside earthwork. The apartments, retail center along Portola Parkway and one park have been completed to date. A K-8 school is currently under construction.

    Project Owner: Irvine Community Development Company.

  • Tonner Hills Development, Brea, Orange County, California
    Geotechnical studies, including detailed fault investigations, and grading plan reviews for the 800-acre Brea-Olinda Oil Field. Earthwork observation and testing for the initial phase of grading included approximately four million cubic yards of earthwork including hydrocarbon-impacted material. The project is located within an active oil field with over 250 operating oil wells and a gas processing/co-generation plant. The project proposes to integrate residential units among the existing oil wells, within seven defined planning areas. Project features include 800 residential units, parks, trails, several Mechanically Stabilized Earth walls, storm drain box culverts, water quality basins, and a recreation facility.

    Project Owner: Tonner Hills SSP.

  • Montebello Hills Development, Montebello, California
    Geotechnical investigation, including extensive subsurface exploration, and preliminary grading plan review for the approximately 500-acre Montebello Oil Field. Project constraints include slope stabilization, deep fill settlement, coordination with active oil field facilities, and native habitat protection/restoration. The 173-acre development footprint will be surrounded by an open space preserve of Coastal Sage Scrub and California Gnatcatcher. Planned development will include 1,200 residential units, several parks, trails, roadways, five large water tanks, and three water quality basins.

    Project Owner: Cook Hill Properties and Plains Exploration and Production Company.

  • Tustin Legacy, Tustin, California
    Geotechnical explorations, rough and precise grading plan reviews, foundation and bridge designs, and observation/testing of phased rough grading. Services include evaluation of roughly two million cubic yards of import material, observation of demolition of existing utilities, evaluation of shallow groundwater conditions, and fill/deep alluvium settlement and mitigation. The 1,600+ acre development will ultimately include 4,600 homes; over 10 million square feet of non-residential space including major office, retail, entertainment, business park, educational and community support facilities.  Over 275 acres are dedicated to parkland and recreational open spaces and will feature a two-mile community lineal park with walking spaces, playgrounds, tranquil natural areas and sports facilities.

    Project Owner: Tustin Legacy Community Partners.

 

Office and Industrial

  • Corporate Plaza and Corporate Plaza West, Newport Beach, California
    Geotechnical site explorations, grading plan reviews, and observation and testing services during grading and construction of multiple low-rise office buildings near Fashion Island in Newport Beach. Geotechnical challenges included understanding the long history of earthwork throughout the site as well as shallow groundwater and differing lithologic conditions.

    Project Owner: Irvine Business Properties Company.

  • Summit Commercial Development, Aliso Viejo, California
    Geotechnical services early planning through final construction of a nearly 100-acre commercial development. The phased development consisted of eleven steel framed, three to nine story office buildings, one hotel/fitness spa, and six multi-level parking structures. One parking structure ranged from five to seven levels and included a 30-foot high water wall adjacent to the structure wall. The project included significant settlement analyses, pile foundation design, and highly expansive soils. During the project, Aliso Viejo incorporated, creating a jurisdictional change from the County of Orange to the newly formed City of Aliso Viejo.

    Project Owners: Parker Partners and Pacific Life Insurance Co.

  • Ingram Micro, Santa Ana, California
    Consulting services consisted of multiple projects at Ingram Micro’s headquarters campus. The services included subsurface explorations for foundation design; recommendations related to large warehouse conversion to office building; new parking lots, and proposed new multi-story office building. Geotechnical services also included observation and testing during grading and construction of the improvements, additions and new buildings.

    Project Owner: Ingram Micro.

  • Wildrose Business Park, Corona, California
    Geotechnical explorations, rough and precise grading plan reviews, foundation design and observation/testing during rough grading and construction of an orchard property for a light industrial business park in south Corona. The approximately 60-acre development included 10 building complexes, extensive parking areas and subsurface drainage improvements, adjacent to Temescal Canyon Wash and an active sand and gravel quarry. Project Owner: Real Estate Investment and Development Company.
 

Parks and Recreation

  • Portola Springs Community Park, Irvine, California
    Geotechnical borings and trenches, grading plan review, observation and testing during both rough and precise grading, and geotechnical field services during construction and materials testing of a two-acre community park site. Improvements consist of a spacious community center, pool and spa, basketball court and associated infrastructure. Materials testing during construction included special inspection of concrete, steel, bolting, epoxy, and post-tension slabs. Geotechnical constraints included mitigation of expansive soils and slope/structural setbacks.

    Project Owner: Irvine Community Development Company.

  • Arlington Heights Sports Park, City of Riverside, California
    Geotechnical subsurface exploration and rough and precise grading plan reviews for a proposed 40-acre park site in the City of Riverside. Rough grading of the site includes roughly 200,000 cubic yards of earthwork. Park improvements will include a recreational building, spray water feature, children’s park (tot lot), a garden area, basketball courts and a large parking lot. The site originally consisted of an orchard and geotechnical engineering included evaluation of collapsible soils and settlement potential.

    Project Owner: City of Riverside.

  • Newport Coast Park, Newport Coast, Orange County, California
    15-acre community park located along the south side of Ridge Park Road and east of Newport Coast Drive. NMG performed exploration, review of rough and precise grading plans and observation and testing during grading and construction. The park’s lower area consists of play fields, tennis courts, basketball courts, restroom building, and parking lot, and the upper area has a large recreation building, pool and spa and parking lot. The maximum relief of the site is 230 feet, the site is flanked by natural hillsides with the park in the canyon area; rough grading involved cuts and fills of up to 40 feet and cut slopes up to 90 feet high. There is a natural open space area with a trail system that connects the upper and lower portions of the parks.

    Project Owner: Irvine Community Development Company.

  • Harriet M. Wieder Regional Park, City of Huntington Beach, California
    Geotechnical investigation and plan review for the proposed improvements to a 50-acre public park. The proposed improvements included an up to 5,000 square foot interpretive center building with a large parking lot, riding and hiking trails and an 80-foot span pedestrian bridge. The geotechnical constraints for this park included stability of a 30-foot high natural slope, potential liquefaction and seismic evaluation, and potential settlement due to hydroconsolidation.

    Project Owner: County of Orange.

 

Public Works

  • Ground Improvement Testing, Pier 400, Port of Los Angeles, Los Angeles County, California
    Geotechnical subsurface exploration, sampling and Cone Penetrometer Test (CPT) soundings along new port embankments and bridge abutments at Pier 400. The project involved rotary wash drilling before and after installation of ground improvements for liquefaction mitigation and evaluation of several thousand tons of aggregate imported from Canada. Ground improvements consisted of thousands of vibro-replacement stone columns installed in the hydraulic fill material.

    Project Owner: Port of Los Angeles.

  • Peters Canyon Channel, Cities of Irvine and Tustin, California
    Geotechnical investigation of the proposed Peters Canyon channel improvements between Barranca Parkway and the Metrolink Rail Line. NMG performed a subsurface investigation along the channel, laboratory testing and analyses for the geotechnical impacts to the project. The channel improvements consist of removing the existing rip-rap, widening the eastern portion of the channel by up to 40 feet, excavating approximately 5 to 8 feet below the existing channel bottom, placing new fill within portions of the existing channel bottom and slopes, and concrete lining the finished slopes. Other channel improvements include protection of existing drainage structures, storm drain laterals, and grates; demolition and removal of several existing storm drain laterals; and construction of new storm drain laterals. NMG will also perform the geotechnical observation and testing during construction of the channel improvements. Geotechnical constraints include shallow groundwater and soft alluvial deposits.

    Project Owner: County of Orange.

  • Wind Energy Project, San Gorgonio Pass, County of San Bernardino, California
    Geological and seismicity study and detailed fault investigation along an active branch of the San Andreas Fault system for a wind turbine farm expansion. The scope of services included detailed historic aerial photograph interpretation, seismic and foundation design parameters input and interactions with the county geologist for the top-heavy turbines. NMG also performed observation and testing during construction and verification that footing excavations were sufficiently set back from active fault splays and strands.

    Project Owners: Vestas Corporation and The Mark Technology Corporation.

  • On-Call Services, City of Glendale, Los Angeles County, California
    NMG is one of five geotechnical consultants selected based on qualifications to provide geotechnical consulting services in the City of Glendale. Services provided include deputy review of geotechnical reports submitted to the City for grading or building permits and observation and testing during of earthworks or pavement projects funded by the City. NMG has also provided on-call type services to other agencies including the City of San Clemente, County of Orange, Capistrano Unified School District, and Irvine Ranch Water District.
 

Resorts and Hotels

  • Pelican Hill Resort, Newport Beach, California
    Comprehensive geotechnical services for this five-star world class resort included services during entitlement, site explorations, extensive design consultations, structural design input, and earthwork observation and testing during grading and construction, and materials testing. The luxury resort includes 204 bungalow-type guest rooms, 128 villas, a 23,000 square foot full service spa, a salt water infinity pool - the largest circular pool in the world, five restaurants and a 20,000 square foot events center. The project included two four-level partially subterranean parking structures and associated infrastructure. Project design features included elaborate aesthetic grounds improvements, and a large pedestrian/golf cart bridge.

    Project Owner: Irvine Resort Properties.

  • Renaissance Club Sport and Hotel, Aliso Viejo, California
    Geotechnical subsurface explorations, structural design input, rough and precise grading plan reviews, and observation and testing during grading and construction for the luxury sports club and hotel. This unique resort is located in the Summit office campus and includes a six-story hotel tower with 175-rooms and five guest suites, a 75,000 square foot elite fitness facility, an Olympic-sized pool, wading pool, day care facility, and an on-site restaurant. Geotechnical engineering and project features included expansive soil characteristics, settlement analysis, deep foundation design and extensive subsurface drainage systems.

    Project Owner: RD Olson Development and Leisure Sports.

  • Hyatt Regency Hotel, Irvine, California
    NMG assisted in the design and construction phases of significant re-model and renovations with subsurface studies, precise grading and foundation plan reviews, and observation and testing during construction. Geotechnical challenges included design of temporary stability features allowing the existing hotel facilities to remain functional during renovation construction and evaluation of total, differential and seismic settlements. The project also involved shallow groundwater conditions and near surface expansive soils.

    Project Owner: Hyatt Regency.

  • Pelican Hill Golf Course and Clubhouse, Newport Beach, California
    Geotechnical services during entitlement, subsurface explorations, and observation and testing services during grading and construction, and materials testing services for two new golf courses, driving range and new clubhouse. The two 18-hole golf courses were designed by famed golf course architect Tom Fazio, and the 44,000 square foot clubhouse includes lounges and dining facilities with an adjacent expansive driving range. Project design features included re-grading and enlargement of both the north and south lakes, observation and testing during backfill of several thousand feet of irrigation pipeline and installation of water features and mature trees.

    Project Owner: Irvine Resort Properties.

 

Retail and Restaurants

  • Fashion Island, Newport Beach, California
    NMG has been providing a wide range of services for multiple additions and expansions to the luxury shopping center including two new parking structures, a new Nordstrom building, and extensive aesthetic upgrades including new pavements, fountains, and landscaping. Geotechnical issues include a complex land use and geotechnical history, abandonment of drilled piers and shallow groundwater. NMG also provided groundwater discharge sampling and testing to verify water constituents were within the strict limits established for projects adjacent to the coast. NMG is also providing review and evaluation of water quality improvements to mitigate surface runoff prior to outlet into the storm drain systems (biofiltration trenches, vegetated swales, etc.).

    Project Owner: Irvine Retail Properties.

  • Target Stores, Mission Viejo, Oxnard, Chula Vista, and Vista, California
    Due diligence studies, site explorations, structural and seismic design inputs, grading and foundation plan reviews, and soil and materials observation and testing services for multiple new Target stores. Projects included geogrid reinforced earth retaining walls up to 35 feet high. The Mission Viejo site included construction of approximately 40- foot high 1.3H:1V geogrid-reinforced fill slopes. The Vista project realized over $2.5 million savings with NMG redesign efforts. The Vista store also included an Austin Sand Filter system, an extensive subsurface hydrology filter and containment system used to mitigate surface runoff.

    Project Owner: Target Stores.

  • Chain Restaurants, Orange County, California
    Geotechnical services for multiple locations throughout Orange County for local and national restaurant chains including Claim Jumper, Denny's, Carl's Jr., Macaroni Grill, Koo-Koo-Roo, Jack-In-the-Box, On the Border, Z'Tejas, and El Pollo Loco. Services included subsurface exploration, rough and precise grading plan reviews, and observation and testing services during grading and construction.
  • The Bluffs Retail Center, Newport Beach, California
    This challenging site included stabilization of an ancient landslide with combination of shear key excavation and buried tie-back wall. Geotechnical subsurface exploration, rough and precise grading plan reviews, and observation and testing services for an approximately 10-acre retail center at the northwest corner of MacArthur Boulevard and Bison Avenue. Project constraints included proximity to Caltrans and Newport Beach easements related to the San Joaquin Hills Transportation Corridor and MacArthur and Bison Streets.

    Project Owner: Irvine Retail Properties.

 

Schools and Institutions

  • San Juan Hills High School, San Juan Capistrano, California
    Geotechnical services during due diligence, design and construction and third-party review during hillside grading of a new 50-acre high school campus in the City of San Juan Capistrano. Design services included engineering evaluation and foundation design to mitigate deep fill settlement and differential settlement effects of the gymnasium and performing arts complex. Geotechnical design features included enhanced fill compaction, a 30-foot high soil surcharge, settlement instrumentation and surveyed monitoring, and development of a phased construction program so construction of the remainder of the school campus could proceed without impact to the schedule.

    Project Owner: Capistrano Unified School District.

  • Mariners Church, Orange County, California
    Geotechnical subsurface explorations, rough and precise grading plan reviews, and observation and testing during grading and construction for a 16±-acre expansion of the church property near Newport Beach. New buildings and construction included a youth facility, a children’s center, a parking structure, a signature chapel, large community building, parking lots, skate park, outdoor baptistry and lake feature with meandering streams. Geotechnical constraints included proximity to existing improvements, and expansive soils.

    Project Owner: Mariners Church.

  • Ladera Ranch K-8 School and Orange County Public Library, Ladera Ranch, California
    Geotechnical services for the approximately 30-acre site included subsurface exploration, rough and precise grading plan reviews, and observation and testing during grading and construction of the modern technology kindergarten through eighth-grade school in addition to the onsite Orange County Public Library. Geotechnical engineering services included mitigation of highly expansive soils and settlement evaluation.

    Project Owners: Capistrano Unified School District and County of Orange.

  • Southern California College of Optometry, Fullerton, California
    Design phase services that included subsurface exploration, liquefaction and seismic settlement analysis, precise grading and foundation plan reviews. During construction, NMG provided observation and testing services for the building addition and remodel of the medical clinic and laser eye center. Project components included a two-story clinic addition, remodel of the building entries and parking lot expansion.

    Project Owner: Southern California College of Optometry.

 

Transportation

  • State Route 71 Realignment and Improvements, Riverside County, California
    NMG was selected by the County of Orange to explore subsurface conditions and review proposed improvements to 2.8 miles of this highway to determine geotechnical parameters and provide recommendations related to design and construction. NMG also observed and testing the earthwork during construction. The improvements included raising grade up to 28 vertical feet above the old highway level so that the roadway was above the future maximum flood level of the Prado Dam. Grading also included excavation of cut slopes up to 200 feet high and construction of a 1:1 geogrid reinforced embankment up to 91 feet high.

    Project Owner: County of Orange, EMA, Public Works Constructions and Caltrans.

  • El Toro Road Landslide Repair, Mission Viejo, California
    Geotechnical subsurface explorations, rough and precise grading plan reviews, and observation and testing and geologic mapping during design that included a remedial buttress for over 1 mile of roadway constructed on ancient landslides adjacent to Aliso Creek. Geotechnical design features included select granular material below the groundwater table, geosynthetic-reinforced slopes ranging from 1.2H:1V to 1.9H:1V slope ratios, time domain reflectology (TDR) remote slope movement monitoring system, and standard slope inclinometer systems. Project constraints included temporary re-routing of Aliso Creek, construction below the groundwater table, providing full access to the adjacent residential development, and full-time monitoring of remedial excavations.

    Project Owner: City of Mission Viejo.

  • Foothill Parkway Extension, Corona, Riverside County, California
    Geological exploration and design services for an approximate 2-mile extension of Foothill Parkway from the existing terminus near Skyline Drive to connect with Green River Parkway. This 4-lane highway will cross the steep terrain at the base of the Santa Ana Mountains, and will involve grading of up to 150 foot high cut slopes, 130 foot high embankments, and over 14 million yards of earthwork. NMG is performing geologic mapping, explorations, preparation of maps and cross-sections and is working with the lead geotechnical engineer (EMI, Inc.) to provide remedial grading recommendations for the project.

    Project Owner: City of Corona.

  • Pavement Rehabilitation Projects, Southern California
    NMG has provided numerous geotechnical evaluations for design of both new pavement and rehabilitation projects throughout Los Angeles, Orange, and Riverside Counties.  Design services include site reconnaissance, subsurface explorations, R-Value testing and pavement section recommendations. Services during construction include observation and testing of compacted fill, subgrade, aggregate base and pavement. NMG also provides materials testing services and batch plant inspections.
 

Home Builders

  • The Gallery, Crossings and Whispering Heights, Riverside County, California
    Geotechnical services during design stages, and observation and testing during preliminary grading, precise and post grading, and construction of over 400 single family homes in French Valley and Estrella Hills in Riverside County. Observation and testing services were also provided during all site improvements including streets infrastructure construction and grading of an interconnected trail system.

    Project Owner: Beazer Homes.

  • Oakcreek Development, Irvine, California
    Geotechnical services from the planning and design stages through grading and construction of 400-acre master planned community. The development contains over 4,000 homes, condominiums and apartments, school, daycare facility, pedestrian bridge, parks, a major retail center, and open space with trails. Builders included Irvine Apartment Communities, Irvine Retail Properties, California Pacific Homes, Standard Pacific Homes, John Laing Homes, Kaufman and Broad Homes, and Shea Homes. The neighborhood retail center including Gelson's grocery, gas station, restaurants and boutique shops was constructed. Numerous parks with trail system and a K-6 public school were constructed.

    Project Developer: Irvine Community Development Company.

  • Painted Trails Development, Mission Viejo, California
    Geotechnical services included subsurface explorations, rough and precise grading plan reviews, and observation and testing services during all phases of earthwork and construction of the 150-acre housing development in Mission Viejo. The site was developed by the Mission Viejo Company between 1996 and 1998. Individual builders constructed over 200 single-family homes, two attached single-family home neighborhoods, and three parks and equestrian trails.

    Project Builders: Shea Homes, Centex Homes, Lennar Homes, and John Laing Homes.

  • Remington and Verona, Stevenson Ranch, California
    Geotechnical feasibility study and due diligence exploration followed by precise grading plan review and construction phase services for 206 residential units in the prestigious Stevenson Ranch community in northern Los Angeles County. Geotechnical services during the project included evaluation of earthquake damage on nearby lots due to ground shaking during the 1994 Northridge Earthquake, and seismic analysis for the planned residential structures.

    Project Owner: Richmond American Homes.