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The Calculators herein are:
i. Tools designed for inspectors and engineers to rapidly and in compliance with the required steps, validate pass/fail screening requirements of in-service systems found with defects using the methodology of API579-1 FFS in the applicable Level 1 and Level 2 scenarios as per applicable defects.
ii. They are not intended to replace provincial/state requirements, Design Code guidelines and user-owner risk profile models.
iii. They are not a detailed engineering analysis and not intended to be a comprehensive tool.
iv. They do not generally take into consideration advanced level assessments outside level 1 and Level 2 assessment approaches as well as several complex external loads and conditions that may exist in a pressure system.
v. The use of these tools requires adequate knowledge of the tool, as well as steps and limitations as specified in the applicable design code and API579-1 code of the defect analysed.
vi. Detailed or advanced engineering analysis (Level 3) may be required when the limitations as detailed in the code relate to a system in question and where the software application specifies or states limitations of critical variables not accounted for.
vii. The consultation of a competent engineer is recommended for assessing the design of the system and ensuring that internal pressure meets the relevant statutory design criteria for continued use.
viii. Engineering analysis, good judgment and industry best practices should be used to assess the validity and applicability of the results obtained by this tool.
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Our Vision: Support and develop our client's technical capacity while creating trust
Often times, Inspectors and engineers have to make prompt, accurate and sound decisions with respect to the general Mechanical Integrity and Structural Fitness for continued use of in-service systems (piping, Pressure Vessels, Tanks and peripheral) when indications are found and classified as defect WRT their design standards and operating conditions.
Currently, Plant, Reliability and Asset integrity engineers usually have to go through various standards and develop models to compute L1/L2 structural integrity assessments to make Go/No-Go calls during plant runtime and Outage work windows for continued running, repair, replace and required level of follow work. Nowadays, inspectors are becoming more engaged and required to make such calls too. This is usually time consuming and many times when challenged are found with may inconsistencies based on the risk tolerance of the engineer.
Another approach has been to involve 3rd party consultants with the expectation of advanced knowledge. It doesn't solve the problem of prompt delivery and comes often times with a high price tag as well as errors in modelling due to limited 1st hand field knowledge of the defect/system and interpreting customer inspection information while offsite.
The level of assessment, quality of the results and final decision directly affects the plants safety, Reliability, productivity and thus bottom-line. Industrywide (Chemical and Petrochemical) approximately 30% of defects require in-depth and advanced (Level 3) Fitness for Service evaluations which may involve custom modelling and FEA analysis. The other 70% need less rigor. A design standard and Level 1 or 2 fitness for service evaluation is appropriate and usually sufficient. The focus of RAPIDSOLVE ® is these 70%.
RAPIDSOLVE® is developed to give prompt, accurate and consistent L1/L2 defect evaluation and results in minutes.
RAPIDSOLVE® is Modelled primarily around the API579-1 FFS and many years of recognised and generally acceptable good engineering practices REGAGEP. The code validations were done by certified engineers and SMEs using actual plants defect findings, and case scenarios in API579-1 and API579-2. A good understanding of the concept of FFS as specified in API597-1 is required to properly use and interpret the results using this application
RAPIDSOLVE® is not intended to replace provincial/state requirements, Design Standard guidelines and user-owner risk profile models. It is not a detailed engineering analysis and not intended to be a comprehensive tool. The tool does not generally take into consideration outside level 1 and Level 2 assessment approaches as well as several complex external loads and conditions. Use of this tool requires adequate knowledge of the steps and limitations as specified in the applicable design standard and FFS-API579-1 standard of the defect analyzed. Engineering analysis plus Level 3 are required when the limitations as detailed in the standard relate to a system in question. The software entails the following features and level of assessment capabilities:
Assessment Procedure specified uses Method A and B Only of the reference code API579-1/ASME FFS-1. This explores evaluating the resistance to brittle fracture of existing carbon and low alloy steel pressure vessels, piping, and storage tanks. Criteria are provided to evaluate normal operating, start-up, upset, and shut-down conditions. Procedure assessment condition exceptions: Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment procedures specified explores cases of general corrosion. Thickness data used for the assessment can be either point thickness readings or Grid detailed thickness profiles. When the Metal loss profile is not general, the method and approach in the assessment procedures of Part 5 are applicable. Procedure assessment condition exceptions: Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment procedures specified explores cases of single Thin Ares, closely spaced Local Thin Areas LTSs and groove-like flaws. Thickness data used for the assessment can be either point thickness readings or detailed thickness profiles (Grid). The procedure can be utilized for assessments of stand-alone pits or blisters as per Part 6 and Part 7. When the Metal loss profile is not localized, the method and approach in the assessment procedures of Part 4 are applicable. Procedure assessment condition exceptions: Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment procedures specified explores cases to evaluate systems with widely scattered pitting, localized pitting. The procedure is also applicable for evaluating closely spaced blisters as provided for in Part 7. Procedure assessment condition exceptions: Pitting which occurs within a region of local metal loss, and a region of localized metal loss located within a region of widely scattered pitting are not covered Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment procedures specified explores cases to evaluate systems with isolated and closely spaced and multiple blisters and HIC/SOHIC Damage. The assessment is applicable for blisters and HIC/SOHIC damage located around weld joints and near structural discontinuities / transitions on the system / component as applicable. Procedure assessment condition exceptions: Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment Procedure not specified for this class of defects.
Basic assessment procedures specified explores cases to evaluate crack-like flaws. Procedure exceptions: Application for systems with stress intensity factors and reference stress as well as residual stresses is not included. Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment procedures specified explores cases to evaluate systems operating within the creep range as well as the remaining life (Estimated remaining life and number of remaining cycles). Procedure assessment condition exceptions: Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment Procedure not specified for this class of defects.
Assessment procedures specified explores cases to evaluate systems with dent, gouge, and dent gouge combinations in components. Procedure assessment condition exceptions: Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment procedures specified explores cases to evaluate systems with laminations. The assessment is applicable for laminations located around weld joints and near structural discontinuities / transitions on the system / component as applicable. Procedure assessment condition exceptions: Systems under substantial supplementary loads, full vacuum conditions, and application when Impact Test Results Are Not Available. System Geometry: Cylindrical and Conical profile only.
Assessment Procedure not specified for this class of defects.
Pricing: RAPIDSOLVE® is offered on various terms to support clients. To purchase a subscription, please contact firstname.lastname@example.org
Applicable Sectors: Petro-Chemical & Energy. Expertise: Intermediate. Training Setup: Class.
This course is designed for plant personnel who are engaged in design, inspection and maintenance and repair of fixed equipment. (Tanks, Pressure Vessels and piping). This would typically include experienced Unit Inspectors, Plant Engineers, Asset Integrity Specialist and engineers, Operations Engineers, Maintenance Engineers, Welding Engineers and allied personnel. A general working knowledge of this class of equipment, and their usual construction materials is a requirement to attend this course.
The training provides direction for performing flaw/defect assessments using API 579-1/ASME FFS recommended practices as it applies to fixed pressure equipment. The training is a hands-on approach with participants completing actual plant/field examples. This is aided using RAPIDSOLVE® a FFS software application to further reinforces the presentation and understanding of solutions and outcomes of the assessment.
All participants will have individual 60 days' trial access to a cloud based software application which aids FFS assessments.
support and develop our client's technical capacity while creating trust