TNAG-1506-FCO40-2064-Guangdong-nuclear-power-station-project-at-Daya-Bay-safety-c-1986 — Page 142

A.

COMMERCIAL IN CONFIDENCE

Outline of the Reports on the Phase II Accident Assessment

SUMMARY REPORT. (N)

A summary of the Technical Report in a form suitable for

non-technical readers.

B.

TECHNICAL REPORT.

1. Introduction. (0)

General introduction.

2. Background to the Accident Assessment. (N)

General discussion of risk assessment methods. The Chernobyl

accident. Diferences between the Chernobyl reactor and the Daya Bay

reactor and their implications.

3.

Release Category Probabilities. (N)

Estimation of the release probabilities for various degraded core

accident radiological source terms.

4.

Degraded Core Analysis Survey. (N)

Review of degraded core phenomena (e.g. steam explosions, hydrogen

explosions, basemat penetration) with reference to the Daya Bay design (as far as is possible from data supplied by H.K.G).

discussion of source term issues.

Brief