Dry vault for spent fuel depository. Basic outsets, operating results and safety of the ''CASCAD'' plant

摘要

The building includes a depository concrete cell equipped with 315 depository wells. The cooling of these wells is guaranteed by an air natural circulation. A handling cell completes the installation. The depository layout allows to guarantee the safety-criticality even in case of 9 MSK strength earthquake. The biological protections supplied by concrete walls, the lead glass window and the shielding doors has been calculated in order to limit to 2 (mu) Sv/h, the dose rate at the work place. No staff contamination or irradiation was observed. (Atomindex citation 26:037427)