TNAG-1505-FCO40-2063-Guangdong-nuclear-power-station-project-at-Daya-Bay-safety-c-1986 — Page 32

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but it meant that precautions had to be taken to ensure that the underground water would not be contaminated the safety analysis would study how this could be achieved.

74.

Safety analysis reports will be made throughout the

construction period of the plant. A PSAR and an Environmental Impact Report (EIR) are made public before construction commences. At the end of construction a Final Safety Analysis

Report (FSAR) is made; and this will be revised to form a revised

FSAR after a test run of the plant has been conducted. During this whole process, the safety analysis and environmental impact study aim at studying whether and how, given the site characteristics and the selected plant design, construction would

achieve the safety standards required.

75.

The safety standards that must be achieved are provided in a set of safety regulations for nuclear installations, drawn

in accordance

circumstances the

up

NUSS standards.

with IAEA

If in any

required standards are not met, engineering improvements will be introduced. The NNSA inspectorate has the authority to stop costruction or operation if at any stage safety

standards are not achieved.

76.

A

was query

also raised as to why the safety regulations for site selection, published by China in July 1986, came after the Daya Bay site was chosen. It was explained to us that the safety regulations for site selection did not prescribe

what site should be selected; they only lay down

what safety

consideration should be made and what safety requirements should be followed in respect of a chosen site.