Le FFS risaneranno l'anno prossimo a Bellinzona il sito denominato ex-lavanderia Caviezel, un terreno adiacente al tracciato ferroviario a sud del portale di Svitto. L'area era stata acquistata una trentina di anni fa dalle Ferrovie federali ed era stata inquinata da solventi clorurati. La zona è iscritta nel catasto cantonale dei siti inquinati dal 1997, ma negli anni non è tuttavia mai esistito un pericolo immediato né per l'approvvigionamento idrico, né per la popolazione.
Il risanamento della superficie, che vedrà sorgere la futura fermata regionale di Piazza Indipendenza, sarà gestito, controllato e seguito da specialisti ambientali, che dovranno garantire costantemente sicurezza per le persone e per l'ambiente. Questa operazione si inserisce come modifica nell'ambito del progetto ferroviario principale "Terzo binario e fermata Indipendenza".
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