TNAG-1506-FCO40-2064-Guangdong-nuclear-power-station-project-at-Daya-Bay-safety-c-1986 — Page 157

10.

The approximate number (if any) of instrument tube penetrations (or any other penetrations) in the lower head of the reactor pressure

vessel.

11.

12.

The nature and approximate dimensions of the passages/routes from the reactor cavity to the main containment volume.

Basic information concerning the secondary containment (if any), such as volume and pressure capability and whether it extends to the

auxiliary building.

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