TNAG-1658-FCO40-2306-Daya-Bay-nuclear-power-station-project-safety-concerns-in-Ho-1987 — Page 64

NOV 10 '87 12:06 TIBCOOU) HK GOVT

this

the

In the

The JVC's Executive Committee and General Management considered that this non-conformance should be dealt with

with seriously and scientifically. We should recognise the serious nature of this non-conformaNCE which should not Occur. We should make

to find out the reasons for thorough investigation occurrence. During the treatment of this non-conformance, PRC and expatriate specialists should fully cooperate. process of finalising the technical solution, the principle of "safety first, quality first" must be adhered to. Irrespective of which solution to be adopted, the original design criteria

technical standards must and

be met. The identification of weaknesses in project quality management and control and the

of improvement

the

and contrac tor

the JVC are an The important process

non-conformance. in dealing with this project quality management and control must be improved to stop similar non-conformance from recurring.

measures

The VC's policy on the treatment of this non-conformance was as follows:

(1)

(2)

(3)

(4)

(5)

To put a hold point on the pouring of concrete on Unit 1 reactor building raft.

To check that all other types of reinforcing bars in the first layer had been placed correctly.

To arrange the Ear design team and in line with the policy of giving priority to safety and quality, to determine a technical solution which coupletely meets all requirements of the original design.

To present the technical solution to the National Nuclear

to Safety Administration (NNSA)

ensure that they had no objection.

To investigate how and why the non-conformance occured and the responsibilities of the parties concerned, to review the controls and procedures used for implementing the civil construction work,

determine improvements are needed to avoid further occurrences.

The abo ve

actions

and

carried wa s

to

what

JVC

in

plan of

out by the conjunction with the EdF design team and the contractor HCCM.

2.

The Treatment of The Non-conformance

There were three phases in dealing with this non-conformance by the JVC:

Phase One: September 15-29, Investigation of Problem

The

work

in this

included:

of

this

handling

pha se

investigation non-conformance, formulation of the principles in non-conformances, establishment of plans and steps to finalise

the technical

solution,

and the

reporting of the Department

this in Charge

National Nuclear

Safety

non-conformance to the JVC Board, (Ministry of Nuclear Industry),

Administration (NNSA) and the JVC's shareholders.

2

P.20