ieee 20110615 eng.pptsite.ieee.org/npec-sc2/files/2017/06/sc-2mtg11-1_att13...sometimes...
TRANSCRIPT
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© Ringhals AB 1
Ringhals Two Instrumentation & Control Exchange
TWICE
Replacement of entire Main Control Room (MCR), I&C System (SS and SRS), new Simulator and enhanced race-way separation & segregation, Temporary Operations Provision (TOP), LES and a new Rod Control System and more.
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Ringhals Two Instrumentation & Control Exchange
TWICE
Simulator
R2
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Ringhals Unit 2 (R2)Type Pressurized Water Reactor (PWR)Net power 866 MWe
Commercial Operation 1975
Reactor:Supplier WestinghouseThermal output 2,652 MWth
Generators:Supplier Alstom Power ABGenerator Voltage 19.5 kV
Turbines:Supplier Stal-Laval Turbine ABNo. of Turbines 2Rotation Speed 3,000 rpmCooling water flow 2*17,5 m3/s (2*6,180 ft3/s)
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TWICEBasics
• New Software based I&C systems replaces 23 older analogical systems–Safety System (SS)
•ABBs AC160 •Cabinets Situated in four newly built separate Safety Relay Rooms
–Safety Related System (SRS)•Ovation (Emerson)
–Diversified Actuation System (DAS)–Alternate Control Panel (ACP)–Remote Shutdown Panel (RÖP)
• New Main Control Room (MCR)–Large Screen Displays, work stations and Mauell panels
• New Simulator–A full-scale ‘replica’ of the MCR used for training and testing
• Lifecycle Engineering System (LES)–Independent test and development system for the software used in TWICE
• Temporary Operational Provisions (TOP)–Temporary Control Room (TCR) for monitoring functions to guarantee personal and plant safety (Radiation, fuel pit, fire alarms, ventilation etc.) during implementation.
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TWICEBasics (cont.)
• New Rod Control System –Supplied by Mitsubishi
• Enhanced Separation and Segregation (Raceways)–Four trains (A,B,C & D) for I&C-signals and power–New Electrical Penetration Assemblies (EPA) into Containment–IEC 61226 (“Cat. A”)
• Replacement of Field Mounted Equipment (FME)– Original FME replaced by Transmitters etc.
• Commissioning and Testing–Factory Acceptance Test (FAT)–Site Acceptance Test 1 (SAT 1)–SAT 2, Systems Test–Operational Acceptance Test (OAT)
•QA
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TWICEI&C Structure
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Scrapped and Recycled: 920 km (572 mi) Cable (~230 ton) 220 Cabinets and larger objects 1 MCR 1,900 units of Field Mounted Equipment(FME) (transmitters, limit-switches, etc.)
TWICEDecommissioned EQ
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TWICE Installation of New Equipment
328 Cabinets 600 Junction boxes 8,500 m (9,300 yd) of Race-way 40 km (25 miles) of Conduit 520 km (~310 miles) of Cable 21,500 Cable connections 1,773 new Field Mounted Equipment (FME) ~30,000 signals 1 MCR
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~100,000 Documents handled in total (All at least once, some several times) 48,000 Drawings/Circuit Diagrams1,500 Manuals11,000 Obsolete Documents17,000 Misc. Documents12,000 Test Reports
TWICEDocuments
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9,100 Work Permits/Work Orders 60,000 keys handed out (All keys has been returned)
Only 8 Accidents/Incidents during implementation 800 people accommodated in Floating Hotel (Bibby Challange) 340 kg (750 Ib) of Candy
TWICEWork By order
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TWICETimeline Major Events
1995-1999 Pilot Studies and price quotations.1999-03-26 RAB signed contract with Westinghouse2001 WP1 (WDP) InstalledDec 2002 Contract Renegotiated (2 year Delay)2005-2007 Contract Renegotiated (impl. 2009)2007 Simulator Complete24 May 2009- Final Installation and Testing (Outage)28 Sept 2010 OAT Approved (Length of outage: 289
Days)And all along the way: Work, work and more work.
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TWICEOrganization
KSUSimulator
MauellMCR Panels
Germany
ProcessKontrollSweden
FME TOP
ÅF/BenimaSweden
Field Design
SAT1 SAT2
Commissioning
YITSweden
IFAGermany
Installation QA, V&V LES
WestinghouseSite-officeSweden
MitsubishiRod Control System
Japan
WestinghousePittsburgh, US
Ringhals ABSweden
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TWICELessons Learned: Planning
Planning: The time schedule was never ever realistic.
Always leave some time for the unforeseeable and unexpected.During a project that spans over 10 years: new requirements will arise during the journey.
The Need for Resources increased over timeRinghals and Westinghouse resources needed in the project increased compared to what was expected in the beginning of the project.
Co-ordination between several different time schedules and parties didn’t work. One Plant, one Schedule! Not only in theory but in reality as well!
Having the same, committed and engaged, people through-out the whole project is an major advantage.Both for ‘Key-positions’ and ‘Crew’
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TWICELessons Learned: Communication
Communication: Good Communication is vital
Communication between different areas of expertise/departments was sometimes ‘non-existent’: “No man is an Island!”Working in different time zones is sometimes helpful for ‘fast’ communication. Communication during SAT Trouble-shooting was poor and created a lot of unnecessary work for all parties.During the outage the communication between the project and maintenance-departments was very good.
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TWICELessons Learned: Misc.
Misc. The Simulator was a big help during FAT.
A vast number of issues was eliminated.
You can save a lot of time, effort and money:…by not making haste.
Qualification/Classification of EquipmentNational Government Reqs. may exceed the International reqs.Having both IEC (6)1226 and ANSI/308/603 classification in an existing plant sometimes makes it harder to harmonize policies.
Reality vs. DocumentationReality and Documentation doesn’t always match
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TWICELessons Learned: Misc.(cont.)
Misc. Having several Large Projects implemented at the same
time takes it’s toll on the customers organization and resources. TWICE.RPS(NICE/GREAT)
Daylight Saving time:Dates for start and end of daylight saving times should be harmonized
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TWICE – New MCR Layout
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R2 – Main Control Room 1974
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TWICE – New Reactor Panel
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TWICE – New Turbine Panel
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TWICE – New Electrical Panel
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TWICE – I&C Platform ReactorReaktortavlor
Larmpresentation
Storbildsskärmar
OWS 205 OWS 203OWS 206 OWS 204
Reaktorpulpet
Division D
KVM
OWS 217
Division C Division B Division A
ODP
Ej säkerhetsrelaterat nätverk Ovation
Insignaler Utsignaler
Kommunikation
Styrning och övervakning
Säkerhetsrelaterat nätverk AF100
Kommunikation
GatewayDivision A-D
ODPODPODP
A C B DSäkerhetsnätverk HSL
Multiplexer
RPSESF
Diesel-sekvens
Komponentlogik
Insignaler Utsignaler
Ställverk
Tavla
Pulpet
M
M
StällverkControllerController
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R2 – Reactor Panel 1974
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R2 – Turbine Panel 1974
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Decommissioning - MCR
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Decommissioning - MCR
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Decommissioning – Outside MCR
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Decommissioning - Outside MCR
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TWICE – Installation - MCR
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TWICE – Installation - MCR
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TWICE – Installation - MCR
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TWICE – Installation - MCR
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TWICE – Installation -MCR
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TWICE – Installation – Relay Room
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TWICE – Installation – SRS Cabinets
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TWICE – Installation – Relay Room
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TWICE – Installation – SRS Relay room
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TWICE – Installation – SRS Cabinet
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The most important thing is… to help each other!
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Co-operate,
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And to communicate.