Armenian nuclear power plant. Operation and supervision. Overloading mechanisms презентация

27-30 November, 2017

Armenian Nuclear Power Plant

2017

The ANPP is located in the Ararat Valley, 10 km from the regional center of Armavir, 28 km from the capital of Yerevan, 16 km from the border with Turkey.

2 (two)
Type of reactors – WWER-440 (V-270)
Commissioning : Unit 1 – 22 December 1976
Unit 2 – 5 January 1980
Shutdown: Unit 1 – February 1989
Unit 2 – March 1989
The beginning of restart
Works Unit 2 – April 1993
Restart Unit 2 – 5 November 1995

Armenian Nuclear Power Plant

ANPP general information

4

IAEA RER 9134 Vienna 27-30 November, 2017

on the part of the GPM are used:
PB 10-382-00 Rules for the Arrangement and Safe Operation of Cranes
NP 043-11 Requirements for the installation and safe operation of cranes
Job description of the senior master of the GPM section of the Centralized Maintenance Department. RP.ATD.18.CMD-035
Job description of the bridge crane operator of the GPM section. RP.ATD.18.CMD-056

IAEA Vienna November 27-30, 2017

Instructions for bridge cranes. UE.ETD.CMD-010.
Leadership. Safe operation of cargo handling devices, devices and containers in the CJSC ANPP. UB.ATD.08.OIP-006
Requirements for the device and safe operation of load-lifting cranes for nuclear power facilities. NP-043-03
Rules for the installation and safe operation of cranes. PB 10-382-00
Maintenance instructions for bridge cranes

Armenian Nuclear Power Plant

6

Documentation

IAEA RER 9134 Vienna 27-30 November, 2017

supervisory authorities are:

National Technical Security Center

The State Committee for Regulation of Nuclear Security of the Republic of Armenia (GAN)

The person responsible for the supervision of the safe operation of the MRM

IAEA RER 9134 Vienna 27-30 November, 2017

at ANPP :

Total number - 108 units, of which;

Special cranes - 5 units;

Truck-mounted cranes - 4 units;

Gantry cranes - 1 piece.

Under the ban - 11 pcs.

IAEA Vienna November 27-30, 2017

30/5 t.f. (Central Hall)
Single-girder bridge crane with lifting 3,2 t.f. (in node of fresh fuel)
Overhead crane c/l 250/30/2 t.f. (CH)
Overhead crane c/l 125/20 (MH TP) -2 pcs.

IAEA Vienna November 27-30, 2017

carry out proper monitoring of the state and works of the GPM at the Armenian NPP, the following are appointed:
Person to oversee the safe operation of the GPM;
The person in charge of the condition of the GPM;
Persons responsible for the good condition of the CST;
Persons responsible for the safe operation of cranes;
Crane operators;
Slingers.

IAEA RER 9134 Vienna 27-30 November, 2017

using the GPM :

Bypass of equipment, premises and work sites;
Scheduled inspections of units (integrated, targeted);
Operational checks;
Audits of quality contractors.
.

IAEA RER 9134 Vienna 27-30 November, 2017

at the ANPP:
instruction for inspecting removable load handlers and containers;
instruction for inspecting the sling on a textile basis;
New logs for inspection and recording of inspection results of removable load-handling devices.

IAEA Vienna November 27-30, 2017

peer review in September 2017, two inconsistencies were found in the documentation :
There are no locations for defective lines;
on one site the inspection of the sling was carried out with a violation of the inspection time - 20 days instead of 10 days.

IAEA Vienna November 27-30, 2017

the life of the Unit 2 of the ANPP, work is underway to bring special cranes in compliance with the requirements of NP043-11 :
replacement of existing electric motors;
replacement of all reducers;
replacement of electrical equipment for cranes;
replacement of crane control system;
replacement of existing and installation of additional brakes;
replacement of existing and installation of additional limit switches.

IAEA RER 9134 Vienna 27-30 November, 2017

events with load-lifting mechanisms at the ANPP, they were discussed and discussed with crane operators, slingers and responsible persons, events from the WANO database :
WER MOW 2016-184 – the fall of the auxiliary lifting mechanism with the carrying capacity of 20 t of overhead crane to the low-pressure rotor of the turbine unit at Rostov NPP;
WER MOW 2015-189 – failure of the crane of the turbine hall during lifting operations at the Loviisa NPP (Finland);
Falling stator generator (500t) when it is shipped from a regular place in the engine room to a transport trolley at the Arkansas-1 nuclear power plant.

IAEA RER 9134 Vienna 27-30 November, 2017

being performed at our plant
Investigations of lifting equipment have been performed by a specialized organization to justify the residual lifetime in compliance with the requirements of new norms and regulations.
Following the investigations, the analysis and evaluation of the residual lifetime have been performed
Preliminary conclusions, with feasibility studies for the operating lifetime extension till modernization have been provided.
Based on the results of conclusions, relevant decisions were made
Projects for lifting, equipment modernization with the implementation dates specified have been developed

Armenian Nuclear Power Plant

16

About the ANPP Lifetime

IAEA RER 9134 Vienna 27-30 November, 2017