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FAQs | Ralph Crawford Forensics
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How do I retain your services? California State law requires licensed engineers to have a written contract for all work performed. A letter from you stating the scope of work, the parties involved including the relevant insurance carriers and their contact information, including e-mails, phone numbers, and an agreement to abide by the terms of my published Schedule of Fees. Is deemed to comply with that requirement. How can I obtain a copy of your CV and fees? Click here for printable versions of: CV.
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Curriculum Vitae | Ralph Crawford Forensics
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Click here for a printer-friendly version. Registered Electrical Engineer, California License E 15115. BS, Electrical Engineering, California State University, Long Beach - 1968. Electrical Contractor, California License #360584 C-10 - Since 1978. Construction Arbitrator, California Contractors State License Board. Member, The Society of Forensic Engineers and Scientists. Over 600 investigations, 20 depositions, 10 trials. 50% Plaintiff 50% Defense. Palo Alto, CA. Design, material specification, installa...
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Sitemap | Ralph Crawford Forensics
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Effects on the Body. Is He Dead Yet? Effects on the Body. Is He Dead Yet? Fire Cause and Origin. Power Wiring and Circuits. National Electrical Code (NEC). Lock Out / Tag Out. Napa, CA 94558. 2015 Ralph Crawford Forensics. Site design by Ralph Crawford and.
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Electrical Fires | Ralph Crawford Forensics
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The Forensic Electrical Engineer is often called upon to determine if electricity was involved in the cause of a fire. Events occur within an overall context, so an electrical engineer must have an excellent working knowledge of all fire causes and origins, similar to that of a Certified Fire Investigator (CFI). The Electrical Engineer’s certification is Registration as a Licensed Professional Engineer, designated by the initials P.E. after one’s name. Often an electrically-caused fire is accompanied by ...
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Product Defects | Ralph Crawford Forensics
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Product defects include errors and omissions in design, construction/manufacturing, labeling, and assembly. Each State adopts standards for power line construction that coalesce past experiences to encourage the construction of hazard-free systems. In California, the standard is called General Order 95 (or usually G.O. 95) for overhead lines. Hawaii uses the identical language and calls it G.O. 6. The standards can differ among the States. Although the forensic engineer must have a working familiarity wi...
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Case Study - Broken Wire | Ralph Crawford Forensics
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The eave, gutter and downspout where the first fire started. Rear rafter with second fire at eave with minimal charring. Eave flashing lifted showing roofing nail heads and circular charring around points where metal flashing arced. Arcing melted holes in the flashing and burned away the black paint. Eave flashing with burned holes that caused pyrolysis of the wood rafter beneath. Neighbor’s house abuts in the background. Metal flashings make contact between adjacent houses allowing stray electric current.
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Explosive Fireplace
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Remains of the broken glass. Replacement fireplace shown properly installed. Example of the labels. Labels located in this concealed space. Fireplace Acts Like Improvised Explosive Device. Click images within report to see full content. The assignment requested an evaluation of possible design, construction and/or labeling deficiencies that would support a law suit. Why did the fireplace fail to ignite initially? Don’t gas devices have a time delay on flame failure? Many warning and instruction stickers ...
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EDM Fire
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The oil pan, the electronics box in front, and the remote computer control cabinet at the rear. The high power machining unit of the EDM after the fire. The modem circuit in the EDM electronics box where the failure occurred. EDM Fire: System Design Failure. Click images within report to see full content. His property insurance company referred the claim for the machine fire to its manufacturer and, quite commonly, provided no insurance for flooding. In this design, there was one fiber optic control path...
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Process | Ralph Crawford Forensics
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INTRODUCTION TO THE CASE. Verify that there are no conflicts of interest. Ascertain the cause of action or claim. Assure it is within the scope of expertise. Memorialize the terms of the Investigation Agreement. Establish the location, date and time of the event. Record relevant parties’ names and roles. Identify the issues to be investigated. Determine relevant codes, rules and standards. Review all available documentation. Perform a site investigation. And if a written report will be required.
