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Regional Basic Professional Training Course in Korea

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❙ 749 ❙<br />

12. Surveillance Programmes<br />

A pre‐service <strong>in</strong>spection is performed before the commencement of operation to provide<br />

data on <strong>in</strong>itial conditions supplement<strong>in</strong>g manufactur<strong>in</strong>g and construction data as a basis<br />

for comparison with subsequent exam<strong>in</strong>ations. This <strong>in</strong>spection makes use of the same<br />

methods, techniques and types of equipment as those planned to be used later on, and, if<br />

practical, the same personnel are employed. Pre‐service <strong>in</strong>spection is a special k<strong>in</strong>d of <strong>in</strong>‐<br />

service <strong>in</strong>spection that is performed as time 0 <strong>in</strong>‐service <strong>in</strong>spection. This <strong>in</strong>spection is<br />

usually planned with<strong>in</strong> the commission<strong>in</strong>g programme. When a structure, system or<br />

component is repaired or replaced, a pre‐service <strong>in</strong>spection is performed before putt<strong>in</strong>g it<br />

<strong>in</strong>to operation. The concept mentioned above for the <strong>in</strong>‐service <strong>in</strong>spection is also applied<br />

to the <strong>in</strong>‐service test<strong>in</strong>g which is implemented under the surveillance programme. Pre‐<br />

service test<strong>in</strong>g is implemented to acquire basic data for future use <strong>in</strong>‐service test<strong>in</strong>g.<br />

12.2. SURVEILLANCE PROGRAMME<br />

12.2.1. In‐service <strong>in</strong>spection<br />

A surveillance programme is established by the operat<strong>in</strong>g organization to verify that<br />

provisions for safe operation that were made <strong>in</strong> the design and checked dur<strong>in</strong>g<br />

construction and commission<strong>in</strong>g cont<strong>in</strong>ue to exist dur<strong>in</strong>g the life of the plant, and to<br />

supply data to be used for assess<strong>in</strong>g the residual life of SS&C. At the same time, the<br />

programme verifies that safety marg<strong>in</strong>s are both adequate and provide a high tolerance

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