For the time being, the specialist of JSC MSU-90, subsidiary company of TITAN-2 holding, have performed 70% of the total welding scope.
The quality of the welded joints was inspected by the specialists of NDT and technical monitoring division of LNPP under construction jointly with the specialists of JSC CONCERN TITAN-2. The surveys were performed by means of nondestructive method (visual, measuring, radiographic, capillary and ultrasonic) as per the process sheets developed and approved by JSC NIKIMT-Atomstroy – the parent material organization of ROSATOM.
«We provided the reliable monitoring progress for each of 28 pipeline joints. The inspection of the first 14 joints shows high quality of welding. Connection strength of the pipeline elements and weld strength to the reactor vessel, steam generators and main circulation pumps is confirmed. I am sure that other welded joints will be done properly», said Alexander Belyaev, Chief Engineer of LNPP.
Note:
Titan-2 Holding is the largest in the North-West group of companies, constructing the most important nuclear industry and power facilities. The company performs a full range of construction and installation works from engineering to commissioning.
Titan-2 Holding is the general contractor for the construction of the Leningrad NPP-2 power units. The Holding Companies perform all the civil, installation, and electrical works at a construction site. The works are carried out in the reactor, turbine, power supply, water supply, heat cogeneration buildings and other power unit structures.
The Holding is the main contractor for the construction of the Hanhikivi-1 NPP in Finland.