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Becht Engineering Blog

In this section of the site contributing authors submit interesting articles relating to the various services, industries and research & development efforts of Becht Engineering.

Becht Dimensional Technology Mitigates Potential Problems In Heavy Lifts

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Written by Joe Collins & Derek Paterson Safety and precision are of the utmost importance of any heavy lift operation. Heavy Lift Field Advisors are tasked with measuring clearances to assure the load will clear obstructions, a step often done by hand with a tape measure. Moreover, Field Advisors are also charged with assuring the location of the crane matches the plan. It is critical that the crane is on the precise radius for the capacity charts to be valid – too far away and the crane will not have sufficient capacity to handle the load; too close and crane can’t boom up high enough to place the load. Again, these verifications are often done by hand with tape measure. In this article, we talk about specific heavy lift problems that could have been avoided by integrating Dimensional Control with the projects. So - What can happen without precise measurement?...
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Multi-Discipline Root Cause Failure Analysis (RCFA)

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Becht Engineering is at the forefront of performing extensive Root Cause Failure Analyses (RCFA) for its clients in heavy industry. When a full scope RCFA is performed for a client, an experienced and committed team is deployed to multiple areas before, during, and after a Root Cause Investigation. These teams are typically led by an RCFA team lead and supported by appropriate Subject Matter Experts (SMEs) who have specific expertise in the area(s) to conduct a successful Root Cause Analysis. Becht Engineering recently performed four successful Root Cause Analyses for its clients. These examples highlight how Becht Engineering utilizes our multi-disciplined SMEs to conduct thorough Root Cause Analyses for our clients. And as with any project, Becht approaches RCFAs from an “owner’s perspective”. Project 1: Mid-West Refiner - JET Fuel Thermal Oxidation Tests RCA The Client had experienced a ongoing challenges meeting Jet Fuel Thermal Oxidation Tests (JFTOT) at its...
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Five Keys to a Cost-Effective Repair/Modification Package for Tanks-Vessels-Piping

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: Process : Does the repair change the process chemistries, physics (fluid phase), and thermo-hydraulics (flow rates, pressures, temperatures)? Does the modification change the control room indications and the operating envelopes? Material : Are the selected metallic materials (base metal and welds) and non-metallic materials (gaskets, packings, etc.) compatible with the existing materials, with the environment, and with the service, for the design life of the repair? Is the material compliant with (a) the material specification (ASTM or ASME II), (b) the supplementary Code requirements, and (c) the supplementary plant-specific requirements? Will the material be procured from an approved supplier; does it require supplementary Quality Controls? ASME Code design : Does the modification alter the system layout? If yes, has the layout been checked for good practice and consistency with the process design (item 1 above)? Are the loads and load combinations well defined and categorized as Service Levels A,...
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12 Checks When Qualifying Piping Systems in Nuclear Applications

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The analysis and qualification of piping systems in nuclear power plants involves more than meeting Code stress limits. Generally, a piping system is qualified if the following criteria have been met. These various qualification criteria are typically specified in the plant FSAR, the plant design procedures, or the ASME Code. Pressure design in accordance with the design Code. This check will govern the schedule of pipes, the thickness of tubing, the schedule and pressure class of fittings, the reinforcement of openings and branch connections, the pressure rating of valves, the pressure class of flanges, and the pressure design of specialty fittings. ASME Code stress limits . This check will verify that the Code stress equations for the load combinations corresponding to Test, Design, and Service Levels A, B, C, and D loadings have been met. NRC Standard Review Plan (SRP) Section 3.6 stress limits for the postulation of high energy...
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