EDA, Incorporated

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Quality Assurance and Control

EDA provides outstanding support for technical audits of procedures and calculations.  Design audits consist on reviewing the procedures and processes for conducting design changes and design change implementation.  Audits are conducted based on a planned audit layout, which has been devised by EDA and approved by the clientIn addition, EDA, Inc. can provide support on QA calculations and procedures and  give/review  presentations for regulatory groups.

See NUPIC Audit Team for GE Audit on June 7, 2002


Quality Assurance (QA) has a simple goal: to ensure that products perform the way they are supposed to.  The quality of critical systems in the world is necessary for efficient and cost effective operations   This was show in Japan in the 1970's and 80's.  Because of the Japanese successes, the  USA adapted many of the Japanese approaches to QA.  I really believe that one of the primary reasons for USA economic advantage throughout the world is because of  aggressive QA programs.  For many years, the traditional way Department of Defense (DOD) and commercial companies achieved quality was through systematic final inspection.   But now, intense competition has led some U.S. companies to adopt total quality management practices that are prevention based.   Consequently, quality assurance has taken on a broader meaning, to include almost  all key design and engineering elements during development, the transition to production, and production itself.  The commercial nuclear industry basic QA requirements are outline in 10 CFR 50 Appendix B.   These are enforced by the Nuclear Regulatory Commission (NRC).  Until recently, DOD's quality requirements were based on MIL-Q-9858A, a military standard established in 1963.   Quality was theoretically ensured by requiring both the contractor and the government to monitor and inspect products.  In June 1994, the Secretary of Defense announced that commercial quality standards such as ISO-9000 should replace MIL-Q-9858A where it makes sense. DOD will not require MIL-Q-9858A on contracts awarded after October 1996. Until then, DOD will be approving the quality standards on a case-by-case basis at the request of industry.  The NRC and the DOD are working together to develop QA for DOD facilities.


As the QA requirements change for commercial and government agencies, it is important to have experienced QA oversight and support.  EDA, Inc. can provide this support.



Some useful links


  • 10 CFR Appendix B to Part 50
    ... of the nuclear power plant or ... with applicable regulatory requirements, the ... establish requirements concerning ... the quality assurance program ...


  • Online NRC Regulatory Guides
    ... Active Regulatory Guides. Guide Number, Title, Rev ... KB) 1.33 (PDF 854 KB), Quality Assurance Program Requirements (Operation) (Draft RS 902-4 ...

    ... and the regulatory framework in ... established quality assurance procedures and guides. Completed quality planning assignments ... to requirements. 

  • GTB Study Guide - Section 4 (QA)
    ... as supplements or implementation guides. ... titled 10 CFR 830.120, Quality Assurance Requirements. The regulatory language is virtually ...


  • ANSYS Quality Assurance Program
    Technical support. Our design analysis software is ... United States Nuclear Regulatory Commission's ... Product Creation, Quality Assurance, and Technical ...

  • DOE$RW-0333P_QARD
    3.2.9, Design Interface Control, 4.0, PROCUREMENT DOCUMENT ... 50, Appendix B (Current) -, Quality Assurance Criteria for Nuclear Power Plants and Fuel ...

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Company Profile

EDA, Incorporated provides quality-engineering services on time, on schedule and within budget.  EDA, Inc. is able to do this by performing the work correctly the first time. We accept the most challenging problems and look forward to working with the client as a team member.  EDA believes that the client should be an active participant in the work process to ensure that the product is commensurate with client expectations and is delivered within schedule and budget constraints.

EDA, Inc. belongs to the National Society of Professional Engineers (NSPE), the American Society of Mechanical Engineers (ASME), the Society of Instrument Control Engineers, Society of Professional Engineers (ISA) and the American Nuclear Society (ANS).


Thank You for visiting EDA.  This site provides for your use free calculators/calculators in every engineering discipline.  We also provide extensive information on all engineering areas and on many different engineering groups.  In addition, a significant collection of computer information is provided.  Please visit our Specialties page to learn what services we provide.  Use our Search Page to find a specific topic.

For free calculations go to the Calculator page.  The calculators should be used with caution.  Some of these calculators are not verified and are only intended to provide a starting point in performing design calculations.  All final design calculations should  be performed using verified and validated programs.  For more information on this, please contact EDA, Inc.

For more information on EDA, Incorporated services, please contact Client Service Manager at:

Client Service Manager

EDA, Inc.

6397 True Lane

Springfield, VA 22150


or email  the Client Service Manager at SiteManager@edasolutions.com .

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Contact Information

Virginia Office (703) 356-4149
Postal address
6397 True Lane
          Springfield, Va 22150
Electronic mail
General Information:  Site Manager@edasolutions.com