The report describes consecutive steps for optimization of the Salaspils Research Reactor(SRR) dismantling and decommissioning (D&D) plan at three levels: 1) general strategy – managed by theGovernment, 2) detailed decommissioning planning managed by operator and competent authorities, 3) D&Dplans for particular components – managed by operator and waste management companies. The mainmilestone at the strategic level is the 2004 Cabinet decision to modify the initial SRR D&D Concept takinginto account the acquired experience during the preparatory stages of D&D and changed real conditions. Themain factors affecting the D&D Concept are: a) the modified final goal of SRR D&D (from "green field" to"brown field"), b) delays in the spent nuclear fuel (SNF) removal, thus the need to upgrade SNF storageconditions, c) changes in radiological and financial conditions. The most important feature of the updatedConcept is to accomplish only partial R D&D by upgrading existing premises for new radiation objects(Multipurpose National Cyclotron Facility). The main conclusion drawn during the assessment of proposedD&D Concept – the D&D can be accomplished in the frame of initial D&D Concept, but some modificationsare needed in relation to the final aim of the SRR D&D. Detail instructions for optimizing of a whole set ofconditions have been given by the completed Environmental Impact Assessment (EIA). The EnvironmentState Bureau supervised the EIA process, and the output – the Final Report of EIA – includedrecommendations for the D&D optimization and upgrades of radiation safety. Further development of detailedtasks will be implemented during the SRR D&D licensing, the main requirements will be prescribed inlicence conditions issued by the state regulatory authority – Radiation Safety Centre. Following steps areconsidered in the SRR D&D waste management optimisation: a) elaboration of unified approach to solid andliquid D&D waste processing, b) optimization of D&D waste transportation and of disposal space and c)socio-economic factors.
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