Learn how FTIS in-line inspection technology, in conjunction with the custom-built header delivery system, HDS, provides invaluable insights into the overall condition of reactor coils and circular headers that were previously unobtainable by any other inspection means.
Piping Analysis and Life Assessment of Steam Pipework
Quest Integrity was requested to perform a piping stress analysis and remaining life assessment of the HP, NOx, IP and LP steam high energy piping (HEP) systems at a Co-Generation Power Station.
Integrity Management Reviews
A refinery client requested Quest Integrity to undertake a review of their asset integrity management processes and to identify opportunities for improvement.
Hydro Test Exemption of an Asphalt Tank
Quest Integrity has developed a protocol for hydrostatic test exemption that includes finite element stress analysis, material testing and fracture mechanics assessment in accordance with API 579/ASME FFS-1.
Crude and Hydrocracker Unit Process Corrosion Review
Following several pressure equipment integrity related incidents that resulted in the release of hydrocarbon vapor, Quest Integrity experts were engaged to undertake a comprehensive review of process corrosion threats and mitigations to optimize unit operation and integrity.
Engineering Assessment of Hydropower Head Cover Provides Crucial Data
Accurate and timely assessment of hydropower plant components is critical for the development of a long-term reliability management plan.
Fitness-for-Service Assessment of Rotor Arm
During a routine inspection of an Ohau A G5 generator, a crack was identified in the 5th rotor arm. Further investigation revealed 3 more cracks within the same arm.
Fitness-for-Service Assessment of Welded Penstock
Charpy tests and defect assessments of the Piripaua penstock were conducted to determine the maximum tolerable flaw sizes for the avoidance of failure during an overload situation.
Fitness-for-Service Assessment of Turbine Headcover
During the late 1980s, leakage was discovered in the headcover (see Figure 1) of a 30MW Francis Turbine operating in water with large amounts of pumice sand. According to Mighty River Power, these erosive conditions damaged the turbine headcover.
Assessment of Hydro-Turbine Generator Shaft
Hydro Tasmania Power Station operates six horizontal shaft hydro- turbine generators each with two Pelton wheel runners installed. Quest Reliability LLC was hired to perform a stress analysis, critical crack size computations and a vibration analysis on a shaft at the Tarraleah Power Station.