NUMERICAL MODELING FOR DESIGNING PILES

Dr. Daniel Pradel, P.E., G.E., D. GE Principal Engineer at Group Delta presents an informative discussion on the use of numerical modeling for designing piles for slope stabilization. The presentation features a case study featuring the 2005 landslide on Entrondo Drive in Encino.

SAN DIEGO CITY COLLEGE UPDATE

Group Delta Consultants is performing a fault hazard investigation for San Diego City College as part of their initial planning for campus renovations.  Several active fault traces have been identified to the south which trend towards the City College campus.  The investigation by Group Delta's Senior Engineering Geologist Jim Sanders (pictured above) includes multiple trenches totaling over 400 feet in length and averaging 5 feet deep to determine if the faulting extends into the area of the campus where the renovations are planned.

KOHL'S AT IMPERIAL VALLEY COMMONS

Group Delta provided geotechnical recommendations and materials testing for the recently opened Kohl's store located at the Imperial Valley Commons in El Centro. The development included the construction of a 1-story concrete tilt-up wall store, a variety of underground utilities, pavement and flatwork areas. Our services consisted on testing and observations of remedial earthwork, fill placement, backfill of utility trenches and retaining walls, preparation of sidewalk and pavement subgrade, construction of pavement sections, and observation of foundation excavations. We conduct sampling and testing of site concrete and performed laboratory testing of the soils, aggregate and asphalt concrete.

DR. PRADEL TO PRESENT PAPER ON THE FAILURE OF
FUJINUMA DAM DURING THE 2011 TOHOKU EARTHQUAKE

Dr. Daniel Pradel, P.E., G.E., D. GE Principal Engineer at Group Delta presented his paper on the Fujinuma Dam Failure at the 9th International Conference on Urban Earthquake Engineering / 4th Asia Conference on Earthquake Engineering in March 2012. A copy of the paper may be downloaded from our Technical Papers page or click below to watch the presentation in a separate window.

HARBOR COLLEGE NEW CHILD DEVELOPMENT CENTER OPENS

The new Child Development Center at Los Angeles Harbor College was dedicated on December 17, 2011. The new facility, built in 18 months at a cost of $8 million, encompasses 17,000 square feet and is part of the Los Angeles Community College District's Sustainable Building Program. It has a child-care side and an academic side for Harbor's child development students.

Group Delta performed the geotechnical investigation for this project as well as construction phase materials testing and inspection. Our inspectors were responsible for special inspections in welding including mill cert review, fabrication shop and field inspections, concrete including batch plant inspection, cylinder fabrication, slump tests and temperature measurements, reinforcing steel including tag & sampling, masonry inspections including mortar and grout sampling, non destructive testing, ceiling wire pull testing, material identification, wood moisture, torque testing of expansion anchors and tensile & bend testing.

I-210 GOLD LINE "ICONIC" BRIDGE UPDATE

SDSU AZTEC STUDENT UNION CONSTRUCTION

Demolition of the existing Aztec Student Union building was completed in June 2011. The demolition is now being followed by the construction of a new 3-story steel-framed structure with a partial basement.  For a LIVE web cam view of construction in progress at SDSU please visit The Aztec Student Union website.

HARBOR COLLEGE CELEBRATES NEW
WEST PARKING STRUCTURE!

Los Angeles Harbor College recently opened it's new $21.2-million West Parking Structure providing more than 900 parking spaces to students, visitors and staff. Built under the LACCD Sustainable Building Program (one of the nation's largest green construction efforts) the building features the use of a number of sustainable features Read More...

RECENTLY AWARDED PROJECTS

BNSF 26th Street Bridge Group Delta was selected to perform materials testing and inspection for the construction of the five span bridge in Vernon/Commerce linking the BNSF Horbart rail yard (one of the nation's busiest rail yards) to satelite facilities. Group Delta previously performed the geotechnical investigation for this bridge and recommeneded multiple deep foundation types ranging from H-piles, square piles, and CIDH Piles.

Beverly Hills Unified School District On-Call Contract to Provide Geotechnical Engineering Services and DSA Materials Inspection and Testing Services for the District's Facilities Modernization Projects

City of Garden Grove Three Year On-Call Contract to Provide Geotechnical Engineering Services – This is the second three-year on-call contract awarded to Group Delta Consultants.

Exposition LRT Project Phase 2 The Skanska/Rados/PB team were selected for the design-build procurement for Phase 2 of the Exposition Transit Corridor. Group Delta is the geotechnical engineer for this project which runs along the old Pacific Electric Exposition right-of-way to 4th St. and Colorado Ave. in downtown Santa Monica.