Design and engineering of the following systems: • Main high pressure steam lines of the SG and TG • Steam collectors • Feed-water pipelines • Auxiliary pipelines • Self-consumption pipelines • Equipment The design activities comprise: • Stress analyses for static and dynamic loads and temperature gradients • Static loads for pipelines class 1 to 4 (conventional plants) and 1 to 3 (NPP) stress analyses for a variety of static loads - temperatures, weight, pressure, isolations, etc. • Dynamic loads - earthquakes, hydraulic shocks, and wind loads, etc. • Fatigue evaluation • Evaluation of he cracks growth and corrosion effects • Evaluation of the rest strength of pipelines • Evaluation of elastic-plastic fractures, critical strains, critical crack size • Determination of intervals for non-destructive control • Sizing of equipment and pipelines The scope of activities includes: • Examination of installations, equipment, pipelines, supporting-hanging systems • Documents restoration, preparation of passports of equipment • Rest lifetime evaluation • Adjustment/replacement of supporting-hanging systems • Pre-design studies • Experts evaluations, classification, experts technical solutions  Analyses |
