Testing and Inspection Services

Mass-Timber Beams 1510 Webster

Since 1995, RES Engineers has provided quality special inspections and materials testing services. Started by Ross Esfandiari, RES’ mission statement has been “Provide the highest quality service in a time and cost-effective manner.” Since our founding, we have worked on a variety of projects ranging from soft story retrofits to the Bay Bridge.

RES prides itself on providing quality special inspection and materials testing services to clients. We have built a reputation for providing exceptional performance by delivering on time and on budget. The staff works closely with the project team, property owners, project managers and construction personnel to ensure that projects meet expectations. RES offers a rich portfolio of innovative, cost-effective testing and inspection services for all projects. The scope of RES’ work ranges from new construction to renovation, rehabilitation, modernizations, seismic retrofit and upgrades of a broad range of projects, including:

  • Apartments and Condominiums
  • Mixed-Use Condominium Complexes
  • Bridges and Roadways
  • Civic/Community Centers
  • Convention/Conference Centers
  • Entertainment Complexes
  • Fire Stations
  • Gyms and Athletic Facilities
  • Healthcare and Laboratory Facilities
  • Higher Educational Campuses
  • Historic Renovations
  • Hotels/Restaurants
  • Industrial/Manufacturing Plants
  • Pipelines
  • Libraries
  • Airport Terminals and Runways
  • Multi-Use Auditoriums, Theaters and Churches
  • Office Buildings
  • Parking Structures
  • Religious/Cultural Complexes
  • Residential – Custom Homes & Developments
  • Retail & Commercial Buildings
  • Schools – Public and Private
  • Shopping Centers
  • Senior/Affordable Housing
  • Sports Facilities and Gymnasiums
  • Transportation Facilities
  • Water/Wastewater Facilities

One of our unique attributes is the close working relationship between our clients and our field personnel. This cooperation ensures a practical combination of a field engineering approach to all projects, and effective problem-solving with materials and construction issues.

RES is accustomed to working with large and small-scale projects whether private or government funded. We treat our Clients and Construction crews with the same respect and flexibility regardless of project size. Our primary emphasis is customer satisfaction and quality assurance for our clients projects. Because of our focus, we have earned many repeat clients throughout our company history.

Below is a short list of RES Capabilities for Testing and Inspection

TESTING & INSPECTION SERVICES

  • Concrete and reinforcement testing and Inspection
  • Shotcrete inspection and testing
  • Concrete mix design review
  • Prestressed concrete testing and inspection
  • Structural steel welding inspection and ultrasonic testing
  • Certified Caltrans Laboratory with approved WQCP
  • High strength bolt testing and inspection                        
  • Welder qualification and welding procedure specifications
  • NDT testing (MT, RT, PT, UT) of welds
  • Fireproofing inspection and testing
  • Masonry inspection and testing
  • Pull and torque testing
  • Soil compaction testing
  • Structural wood inspection
  • Asphaltic Concrete, CTB and LTB testing and inspection
  • Pile driving inspection
  • Drilled pier inspection
  • Tie-back inspection and testing
  • Mechanical systems testing & inspection
  • Electrical systems testing & inspection
  • Plumbing/HVAC systems testing and inspection

RESEARCH AND PRODUCT DEVELOPMENT

  • Holddowns and other hardware for wood structures
  • Helical precast tiles
  • Composite recycled building materials

EVALUATION OF IN-PLACE MATERIALS AND EXISTING STRUCTURES

  • Concrete Core testing
  • Brick shear testing
  • Anchor prequalification testing
  • Full scale load testing on slabs and walls (in plane or out of plane)
  • H.C.T., granite, stone (and other archaic material testing)
  • Evaluation of in-place conditions
  • Pachometer testing evaluation of reinforced concrete
  • Corrosion evaluation, half cell method
  • Existing or new pile load testing
  • Ultrasonic pulse velocity (NDT) testing of concrete

FAILURE INVESTIGATION

  • Corrosion studies
  • Debonding failure of facades
  • Concrete cracking and failure
  • Marble tile, brick, and other material failure
  • Structural failures
  • Fire damage investigation and evaluation
  • Water infiltration and leak studies
  • Monitoring of existing conditions of structures during demolition or development of adjacent properties
  • Expert testimony on construction material defects