V. I. Volkov1, A. P. Serov1, E. A. Shishkina1, V. F. Abramov2, M. V. Konstantinov2, V. A. Esinovskii3, I. R. Medvedkina3, A. V. Murav’ev3
1Federal Budget Institution “Administration “Belomorkanal”, Moscow, Russia
2JSC “Karelstroymekhanizatsiya”, Moscow, Russia
3Expert Center for Safety of Hydraulic Structures “Gidrotekhékspertiza”, Moscow, Russia