The Techa Cascade of water reservoirs (TCR) is
one of the most environmentally challenging facilities resulted from FSUE “PA
Mayak” operations. Its reservoirs hold over 360 mln m3 of liquid radioactive
waste with a total activity of some 5∙1015 Bq which is about 0.1% of the total
radioactivity released from the Chernobyl accident and occupy an area
equivalent to roughly the size of 7,000 football fields.
A set of actions implemented under a special
state program involving the development of a strategic
plan aimed at complete elimination of TCR challenges (Strategic Master-Plan
for the Techa Cascade of water reservoirs) resulted in considerable reduction
of potential hazards associated with this facility.
The report summarizes the key elements of this
master-plan: defining the facility’s final state, feasibility study of the main
strategies aimed at its attainment, evaluation of relevant long-term action
plans, development of computational tools enabling the long-term forecast of
TCR behavior depending on various engineering solutions and different weather
conditions.
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