TNAG-1658-FCO40-2306-Daya-Bay-nuclear-power-station-project-safety-concerns-in-Ho-1987 — Page 95

NOV 19 '87 12:06 TIBCOOU) HK GOVT

to

find out

for

this

the

In the

The JVC's Executive Committee and General Management considered that this non-conformance should be dealt with seriously and scientifically. We should recognise the serious nature of this non-conformance which should not occur. We should make thorough investigation

the reasons 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

The be met.

identification of weaknesses in project quality management and control and the

of the

and the contractor improvement measures

are an

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

JVC

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

(1) To put a hold point on the pouring of concrete on Unit 1

reactor building raft.

(2)

(3)

(4)

(5)

The

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 completely meets all requirements of the original design.

To present the technical solution to the National Nuc le ar Safety Administration (NNSA) to 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

used for implementing civil construction work,

and

to determine improvements are needed to avoid further occurrences,

actions plan of

8 EM

carried

out by the

the

what

JVC

in

above conjunction with the EdF design team and the contractor HCCM.

22.

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

of

this

in this pha se included: investigation non-conformance, fomulation of the principles in handling non-conformances, establishment of plans and steps to finalise

the

and

the

reporting

of this

solution, technical non-conformance to the JVC Board, the Department in Charge (Ministry of Nuclear Industry),

National Nuclear

Administration (NNSA) and the JVC's shareholders.

Safety

2

P.20

ศ