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Objective
Unit 5 is equipped with four SGs. To protect the SGs and corresponding system of live steam piping from pressure excess (for example at abnormal operation or in case of the accident) the following systems are to be replaced:

Objective
Procurement of Spare Parts for the Diagnostic Systems in Units 3 and 4.
At the beginning of 1990 VNIIAES has purchased from Siemens diagnostic systems like Acoustic Leakage-Detection, Loose Part Detection (Type SUES, KUES, ALUES) on a large scale.

Objective
Procurement of Spare Parts (app. 100 different items) for different valves for Unit 5.
The original valves, 48 valves in total, for which spare parts are necessary (Gate valves, Globe valves, Check valves) were supplied in 1976 by GEC Alsthom-VELAN.

Objectives

Background
The TACIS programmes for Nuclear Safety agreed upon between the European Commission and the relevant authorities of beneficiary states contained provisions for on-site assistance (OSA).

Background

The emergency feedwater system (EFWS) at Novovoronezh NPP Unit 5 (VVER-1000/V187) is used to supply feedwater to its four steam generators (SG) in emergency situations and also in start-up and shutdown conditions.

Background

Bilibino NPP

Bilibino nuclear power and district heating plant (NPDHP) was the first nuclear power station built beyond the Polar Circle in the central part of the Chukotka peninsula, and it provides electricity for the regional mining and gold mining industries.

Objective

According to the intention of the European Union and the Russian Ministry of Atomic Power the operational safety assistance, which started with TACIS 96, continued with TACIS 97 with the same Western and Eastern Utility.