TNAG-1506-FCO40-2064-Guangdong-nuclear-power-station-project-at-Daya-Bay-safety-c-1986 — Page 161

flooding protection

Specific flood protection measures (such as sea walls, embankments, drains).

4a

Aircraft Crash - Siting

Local flying activity within 20 Km of the site including location and usage of any airfields or airports, training areas for military aircraft and established preferred flight paths and levels of usage

Historical regional data on aircraft crashes

Expected trends in local patterns and levels of aircraft usage over the station lifetime.

4b

Aircraft Crash

Design

Any significant design departures (from the usual French 900 MWe PWR design) which influence the plant protection from aircraft crash (either to achieve an enhancement or perhaps unintentionally, to produce some degradation).

5a Gas Cloud Explosions

Siting

Location and nature of usage of any industrial installations within 5 km of the site likely to have moderate or large scale inventories of flammable gases or vapours.

Any foreseeable future industrial developments within 5 Km of the site likely to increase the risk of formation of clouds of flammable gases or vapours.

56 Gas Cloud Explosions

Design

Any significant design departures (from the usual French 900 MWe PWR design) which influence protection from external gas cloud over-pressures (either to achieve an enhancement or, perhaps unintentionally, to produce some degradation).

D W Phillips

SRD, Culcheth

17 September, 1986

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