“ENSECO pipelines are installed across the entire nuclear island of 3. Units 3 and 4 at Mochovce. This is proof that we have survived as a company."
500
Workers
We have managed approximately 500 workers and another 250 workers under the management of our subcontractors.
1509
Tons of installed materials
We have procured, supplied and installed materials with the total weight of 1 509 tons.
10722
Valves
We have installed 10 722 valves and our work is visible in both units of the power plant.
40
Systems tested
During commissioning, we have performed non-active testing of 40 technological systems.
9646
Pipelines
We have installed a total of 9 646 pipelines in both units.
5
Main systems
Works involved 5 main elementary systems at all project stages.
Nuclear Power Plant –Systems Executed
The project was executed based on the EPC contract at all stages (elaboration of detailed design documentation, procurement, installation and commissioning).
“We are most proud of the systems that we have built here. They demonstrate our skills, technical abilities and business know-how.”
We took part in five main nuclear power plant systems
Primary Circuit Auxiliary Systems
- Continuous primary coolant purification system
- Volume and boron control system including oil system
- Spent fuel pool water cooling system
- Hydrogen recombination system
- Primary coolant controlled leakage system
- Lifting equipment
- Connecting piping
- Technological platforms
- Steam generator blowdown system
- Biological shielding
Radioactive Waste Treatment System
- Primary circuit drain water treatment system
- Active water collection system
- Distillation plant
- Additional condensate polishing
- Active water purification
- Lifting equipment
- Connecting piping
- Boric acid recovery system H3BO3
- Chemical reagents preparation system
- Radioactive gas treatment system
- Spent fuel storage pool and ECCS tanks water purification system
- Steam generator blowdown purification system
- Technological platforms
- Biological shielding
Emergency Core Cooling and Spray Systems
- Emergency core cooling systems
- Pressure suppression containment system
- Lifting equipment
- Technological platforms
Radioactive Waste Management
- Special sewerage
- Radioactive liquid and solid waste storage
- Tank vent treatment system
- Liquid radioactive waste transport
- Lifting equipment
- Technological platforms
- Biological shielding
Radioactive Waste Disposal Systems
- Radioactive Waste Disposal Systems
- Electrical part
28t
Carbon
Pipe fittings
110t
Carbon
Valve remote control
80t
Carbon
Pipe and valve support
50t
Carbon
Pipes
195t
Stainless – 08CH18N10T
Pipe fittings
26t
Stainless – other
Pipe fittings
450 t
Carbon
Platforms
480t
Stainless – 08CH18N10T
Pipes
90t
Stainless – other
Pipes
1509t
Total
| COMPONENT | MATERIAL | QUANTITY (IN PIECES) |
|---|---|---|
| Unit 3 Unit 2 | Stainless | 5574 |
| Unit 3 Unit 2 | Carbon | 1255 |
| Unit 4 Unit 2 | Stainless | 2944 |
| Unit 4 Unit 2 | Carbon | 949 |
| TOTAL: | 10722 |
| MATERIAL | CS – CARBON STEEL; SS – STAINLESS STEEL |
|---|---|
| Safety Class | I., II., III., N |
| Seismicity | 1a, 1b, 2a, 2b |
| DN | 6, 8, 10, 15, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 500, 600 |
| PN | 10, 16, 40, 100, 160, 200, 230, 250, 315, 400, 500 |
