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Operation & maintenance
55 tools are used in operation and maintenance of the installed plant.
Calculate / Analyse 42
Xenon-135 Transient Coupled iodine-135 / xenon-135 dynamics after shutdown. Xenon overshoots as I-135 keeps decaying while burnup stops — the “xenon pit” that can lock out restart (reactor dead time). Benchmark tested · 38/38 · Nuclear Engineering, Safety & Fuel · Benchmark report EN UA DE NL FR ES PL Point Reactor Kinetics Point kinetics with six delayed-neutron groups. Insert a step reactivity to see the prompt jump, the stable period and the inhour curve — and the prompt-critical boundary at one dollar that operation must never cross. Prototype · Nuclear Engineering, Safety & Fuel · Benchmark report EN UA DE NL FR ES PL Reactor Live Stand A point-kinetics reactor that runs continuously in wall time instead of producing a finished record. Benchmark tested · 33/33 · Nuclear Engineering, Safety & Fuel · Benchmark report EN UA DE NL FR ES PL Spent Fuel Decay Heat & Source Terms Decay heat, gamma and neutron emission of irradiated fuel from one second to a million years after shutdown. Prototype · Nuclear Engineering, Safety & Fuel · Benchmark report EN UA DE NL FR ES PL Nuclide Atlas & Decay Laboratory Explore the N–Z chart, decay pathways and time evolution of nuclide inventories; solve branching decay chains and simple activation cases. Prototype · Nuclear Physics & Radiation · Benchmark report EN UA DE NL FR ES PL VCA Trainer – Basic Safety Train VCA Basic Safety topics in short levels, revisit weak questions and run a mixed mock exam. Prototype · Occupational Safety EN UA DE NL FR ES PL H₂ / CO₂ Pipeline Repurposing Evidence-led screening for repurposing an existing pipeline to H₂ blends, hydrogen, gaseous CO₂ or dense-phase CO₂. Benchmark tested · 349/349 · Pipe & Vessel Transients · Benchmark report EN UA DE NL FR ES PL Hydrate inhibition Methanol or glycol injection rate for a required hydrate temperature depression by Hammerschmidt or Nielsen-Bucklin (GPSA Section 20): rich-phase inhibitor fraction, lean solution and pure inhibitor rates, and a rich-phase mass split diagram. Benchmark tested · 14/14 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Generator–Grid Dynamics Studio Explore synchronous-generator stability, plant flexibility, reactive power, harmonic resonance and grid-code capability in one linked model. Prototype · Electrical Engineering EN UA DE NL FR ES PL RPV Embrittlement & PTS Screening Screening of reactor-vessel embrittlement against 10 CFR 50.61 or the alternate 10 CFR 50.61a path, with traceable inputs, margins and missing-data gates. Benchmark tested · 270/270 · Nuclear Engineering, Safety & Fuel · Benchmark report EN UA DE NL FR ES PL Probabilistic Risk Explorer Build linked fault trees and routed event trees, calculate exact Top Event probability, truncated or full minimal cut sets, importance, sensitivity and uncertainty. Benchmark tested · 18/18 · Nuclear Engineering, Safety & Fuel · Benchmark report EN UA DE NL FR ES PL Safety Improvement Prioritiser Enumerates feasible safety-improvement portfolios under budget and schedule constraints, preserves CDF/LERF overlap uncertainty, and exposes the Pareto set without collapsing engineering consequences into one score. Benchmark tested · 235/235 · Nuclear Engineering, Safety & Fuel · Benchmark report EN UA DE NL FR ES PL Pipeline Corrosion Defect Assessment Web calculator that determines failure pressure, safe pressure, estimated repair factor (ERF) and maximum allowable length of single longitudinal corrosion metal-loss defects in oil, gas and hydrogen pipelines using ASME B31G original, modified B31G (0.85dL) and DNV-RP-F101 Part A/B. Benchmark tested · 29/29 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Pipeline Dent Strain Calculator Estimates dent strain in oil, gas and hydrogen pipelines from measured dent geometry per ASME B31.8-2022 Nonmandatory Appendix R and checks it against acceptance limits. Benchmark tested · 21/21 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Work-at-Height Lab Side-elevation model of guardrail, restraint and fall-arrest set-ups: sums the clearance components below a work edge, compares them with the available depth and flags swing falls. Benchmark tested · 78/78 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Pipeline Cathodic Protection Sizes galvanic bracelet anodes for coated offshore or buried pipelines per DNV-RP-F103, DNV-RP-B401 and ISO 15589-2, from current demand to anode count. Benchmark tested · 23/23 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Noise Exposure Studio Builds a shift from tasks with LAeq and duration, computes the daily noise exposure LEX,8h, each task's energy share and an at-ear estimate, and compares them with a sourced threshold preset. Benchmark tested · 79/79 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Building Change of Use Checker Screen a proposed change of use and identify the engineering disciplines, evidence gaps and follow-up checks it can trigger. Benchmark tested · 317/317 · Building Physics & Envelope · Benchmark report EN UA DE NL FR ES PL CO2 Corrosion Rate Calculator Estimates CO2 corrosion rates of carbon steel in water-wet oil, gas, hydrogen-blend and CCUS pipelines using de Waard-Milliams 1991 and 1995 models. Benchmark tested · 20/20 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Gas dispersion Downwind distance and width of a continuous gas release to the LFL or a toxic level, using a Gaussian plume (Pasquill-Gifford) or Britter-McQuaid dense gas model. Benchmark tested · 8/8 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Hydrogen jet fire Release rate, flame length and radiant heat flux of an ignited hydrogen leak, with distances to NFPA 2 and API 521 heat-flux criteria. Benchmark tested · 7/7 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Vapour cloud explosion overpressure Side-on overpressure, duration and impulse of a vapour cloud explosion at a receptor and distances to damage thresholds, by the TNO Multi-Energy and Baker-Strehlow-Tang methods. Benchmark tested · 15/15 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL LOPA and SIL target Layer of protection analysis for one scenario: mitigated frequency, required risk reduction and SIL per IEC 61511-1, and a PFDavg check of a proposed SIF. Benchmark tested · 8/8 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Methane emissions (OGMP 2.0) Annual CH4 inventory of an oil and gas facility from equipment counts, tanks, blowdowns and flaring, with CO2e, methane intensity and OGMP 2.0 level. Benchmark tested · 7/7 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Emergency Drill Simulator Play an emergency step by step (fire, gas leak, injury, lost contact, evacuation) and get a debrief of decisions, missed cues and barriers, each traced to a rule ID. Benchmark tested · 62/62 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Safety Scenario Lab Set conditions and barriers for ten illustrated workplace scenarios, make run decisions and trace each pathway from hazard to blocked, open or review-required consequence. Benchmark tested · 78/78 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL LH2 Boil-off Boil-off of a vented liquid hydrogen tank from heat leak and ortho-para conversion (Petitpas, LLNL 2018): initial rate in %/day, mass and LHV energy lost over the storage period, and the para fraction at the end. Benchmark tested · 16/16 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Hydrogen blending into natural gas Wobbe index, calorific value and relative density of a natural gas–hydrogen blend by ISO 6976:2016, the EN 16726 H-gas check and the maximum admissible hydrogen fraction. Benchmark tested · 14/14 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Hydrogen quantity, energy and fuel quality Converts hydrogen between kg, Nm³, Sm³ and MWh or GJ (LHV/HHV), gives diesel, petrol, LPG, methanol and natural-gas equivalents with CO₂, and checks ISO 14687:2019 Grade D purity. Benchmark tested · 13/13 · Oil, Gas & Hydrogen · Benchmark report EN UA DE NL FR ES PL Repair / Refurbish / Replace / Upgrade Compares continue, repair, refurbish, replace and upgrade on one horizon as the present value of their costs, with yearly cash flows, sensitivity and switch-over thresholds. Benchmark tested · 85/85 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Obsolescence & Last-Time-Buy Sizes a last-time-buy of spares against a coverage probability and shows when a replacement programme must start. Benchmark tested · 111/111 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Operating Envelope Change & Margin Consumer Checks before/after operating conditions against explicit engineering limits, preserves uncertainty and applicability, and identifies which boundaries need follow-up. Benchmark tested · 102/102 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Cycling & Fatigue Life Calculates cumulative fatigue usage by transient group and projects CUF for future cycling scenarios, with bounded optional environmental correction. Benchmark tested · 132/132 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Wall Thinning Trender Trend comparable thickness measurements, quantify uncertainty and estimate when a supplied minimum thickness may be reached. Benchmark tested · 114/114 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Degradation Life Projector Applicability-gated screening forecasts for cable, concrete and elastomer ageing, with traceable inputs and explicit no-forecast outcomes. Benchmark tested · 149/149 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Design Basis Integrity & LTO Trace requirements, as-built configuration, evidence and long-term-operation ageing reviews; expose gaps without turning unknown data into favourable conclusions. Benchmark tested · 150/150 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Replacement Equivalence Evaluator Compares replacement items against recorded critical characteristics and blocks on mismatches or unresolved evidence. Benchmark tested · 147/147 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Tie-in & Outage Window Planner Schedules tie-ins, isolations, work and tests against an outage window using CPM, calendars, resource conflicts and duration ranges. Benchmark tested · 153/153 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Temporary Configuration & Bypass Risk Tracks temporary configurations, expiry, compensating measures and restoration evidence, with optional scenario-level risk calculation. Benchmark tested · 168/168 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Control & Software Change Compares structured control baselines, traces semantic changes to functions and requirements, and proposes retest candidates without claiming completeness. Benchmark tested · 210/210 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Post-Modification Verification & Closeout Checks requirement-to-test-to-evidence traceability, document currency and applicable PSSR items before an engineering change package is closed. Benchmark tested · 158/158 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL Maintenance & Test Interval Change Compare proof-test, age-replacement and RBI inspection intervals against explicit reliability, cost or degradation metrics. Benchmark tested · 162/162 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL
Define / Specify / Verify / Deliver 13
Project Workspace Transport and overview hub for one project package: open, export or clear it, see what every tool wrote, and resolve every cross-reference against the register that owns the identifier. Benchmark tested · 112/112 · Project & Delivery · Benchmark report EN UA DE NL FR ES PL LOTO / Isolation Planner Draw equipment with its energy sources and stores, set isolation, dissipation and verification, and get the open energy paths to the work zone and an ordered isolation register. Benchmark tested · 80/80 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Permit-to-Work Studio Assembles a permit-to-work review for hot work, confined space, electrical, excavation, work at height or general work and lists blocking and advisory findings by rule ID and field. Benchmark tested · 80/80 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Bow-Tie Barrier Builder Build a bow-tie of threats, top event and consequences, specify each barrier, and get a barrier register with findings on missing assurance and shared dependencies. Benchmark tested · 65/65 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Incident Causal Tree Record an incident timeline as facts, inferences, hypotheses and unknowns, link causes with a written rationale, assess barriers and tie each corrective action to a cause or barrier. Benchmark tested · 66/66 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Confined Space Entry Planner Plan an entry into a tank, pit or duct: mark entries, hazard sources, ventilation, numbered measuring points and rescue equipment, and list the gaps left before entry. Benchmark tested · 80/80 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Hot Work Risk Studio Draw the hot-work area on a plan, place the work point, combustibles, openings, cylinders and extinguishers, and get the affected zone and the open controls. Benchmark tested · 80/80 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL PPE Decision Matrix Assigns generic PPE classes to hazards left after elimination, substitution, engineering and administrative controls, and builds a task × PPE matrix with rule IDs and sources. Benchmark tested · 74/74 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Chemical Storage Compatibility Matrix Enter substances with hazard codes and a compatibility group; get a pairwise segregation matrix with rule IDs, unresolved pairs and proposed storage groups. Benchmark tested · 53/53 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Electrical Safe-Work Boundary Lab Plans the preparation of electrical work: isolation, securing against reconnection and prove–test–prove verification, checked rule by rule against a selectable rule pack with AC/DC voltage bands. Benchmark tested · 80/80 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Safety Sign & Workplace Marking Designer Place walls, doors, routes, safety equipment and signs on a 2D plan; the tool lists orphan signs, unsigned equipment, route crossings and line-of-sight flags. Benchmark tested · 80/80 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL JSA / TRA Builder Build a job safety analysis step by step: hazards per step, initial and residual rating on your own matrix, linked controls, weak-control flags and an action register. Benchmark tested · 67/67 · Occupational Safety · Benchmark report EN UA DE NL FR ES PL Design Change Impact Mapper Maps first- and second-order consequences of an engineering change into areas, actions, evidence and closure, with screening, edge provenance and approval state. Benchmark tested · 161/161 · Engineering Change & Plant Life · Benchmark report EN UA DE NL FR ES PL
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Categories: Nuclear Physics & Radiation · Nuclear Engineering, Safety & Fuel · Thermodynamics, Heat & Fluid Flow · Pipe & Vessel Transients · HVAC & Indoor Climate · Acoustics & Noise · Building Physics & Envelope · Electrical Engineering · Control & Systems · Occupational Safety · Project & Delivery · Engineering Change & Plant Life · CCUS — CO₂ Capture, Transport & Storage · Oil, Gas & Hydrogen · Structures & Mechanics · Physics & Mathematics · Materials & Chemistry Lifecycle stages: Concept · Basic engineering · Detailed engineering · Procurement · Manufacture & FAT · Construction & installation · Commissioning · Handover · Operation & maintenance