NOA offers a wide range of engineering services including geotechnical engineering, foundation and structural engineering, geophysical exploration, environmental and geosciences, forensic investigations, materials testing and construction inspections. Our staff of highly trained field technicians is qualified to inspect soils, concrete, masonry, post tension, structural steel, rebar, flexible and rigid pavements and perform NDT. NOA owns a fleet of drill rigs that offer hollow stem auger, mud rotary, rock coring, all-terrain track, and limited access drilling capabilities. Additionally, NOA has three (3) full service laboratories certified by DSA, AASHTO, CALTRANS, and the U.S. Army Corps of Engineers. Our facilities are regularly inspected by CCRL and AMRL and we participate in the Proficiency Sampling Program. NOA continues to diversify and adjust our many services to meet the ever-changing needs and requirements of the clients we serve.
Services
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GEOTECHNICAL ENGINEERING SERVICESNOA’s Geotechnical Department offers professional and technical services in all aspects of geotechnical and earthwork engineering. Through utilization of innovative and practical problem solving skills, we are able to develop and design environmentally responsible, logical and affordable engineering solutions to complex geotechnical challenges. Our highly coordinated and technically experienced team under the direction of a lead principal Geotechnical Professional Engineer… |
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ENVIRONMENTAL CONSULTINGNOA can design, plan, and perform engineering duties in the prevention, control, and remediation of various environmental health hazards. By utilizing our various engineering disciplines we can provide services including waste treatment, site remediation, and pollution control technology. Negotiating the complexities of environmental issues can be challenging and time consuming. NOA offers our clients demonstrated experience and knowledge of local conditions… |
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MATERIALS AND LABORATORY TESTING SERVICESNOA is proud to offer three laboratory testing facilities located in Lodi, Sacramento, and Concord, California. Our laboratories are annually inspected and certified by the American Association of State and Highway Transportation Officials (AASHTO-AMRL / CCRL) and the American Society for Testing and Materials (ATSM) and are certified by the Department of the State Architect (DSA), California Department of Transportation… |
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CALTRANS QC/QANOA is actively pursuing Caltrans projects requiring Quality Control and Quality Assurance (QC/QA) specifications. Hot Mix Asphalt (HMA), Joint Planed Concrete Pavement (JPCP), and Cold Foam in Place Recycling (CFIPR) all require a level of testing and inspection that can affect the final cost and profits. NOA can provide a level of expertise in the production and placement inspection and testing that… |
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RENEWABLE RESOURCE SERVICESAt NOA, our focus is on assisting our clients through project planning, construction and operation while maintaining project schedule and budget, and meeting management and maintenance expectations. Driven by a global appetite for clean renewable energy coupled with local, state, and federal financial incentives, the market for wind and solar power generation has exploded. NOA remains on the leading edge… |
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GEOTECHNCIAL INSTRUMENTATION AND MONITORINGEach geotechnical instrumentation project presents its own unique set of critical parameters. With our extensive geotechnical background and experience at NOA we are able to identify these parameters and recommend and provide the appropriate instrumentation solution. An example is the application of the technology of TDR or “cable radar”. With TDR, grouted cables in bore holes can detect and locate… |
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SWIMMING POOL DESIGN AND ENGINEERINGNOA first began engineering swimming pools in 1995 after having been contracted to provide geotechnical forensic consultation on a failed pool structure that had suffered distress as a result of construction in expansive soils. The following years has seen NOA expand its swimming pool services to include; aquatic facility programming and swimming pool design services, structural shell design, mechanical and sanitization… |
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SWIMMING POOL ENERGY & TEMPERATURE CALCULATORThe thermodynamics of heated and non heated swimming pools is quite complicated. Here at NOA we wanted to make it easy for pool builders and designers to predict the amount of energy needed to heat a pool, or to calculate the temperature of a pool at a given time during the year. The following calculator uses geographic data combined with… |