ML13309A859: Difference between revisions

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{{#Wiki_filter:VCSummerConstructionStatus V C Summer Construction Status and Lesson LearnedAD Torres Unit 2 & 3 Construction Status jil Ma j or M ilestones*Completed Unit 2 Concrete Basemat
{{#Wiki_filter:V C Summer Construction Status and Lesson Learned AD Torres
*Unit 2 Pouring of Major Auxiliary Building Walls
 
*Set U2 containment vessel bottom head FbiddSU2CddTbi Bld Sl*F a b r i cate d an d Set U2 C on densers an d T ur bi ne Bld Stee l*Fabricated and Set Reactor Cavity Module
Unit 2 & 3 Construction Status Majorj Milestones il
*ReceivedUnit2Reactorvesselonsite
* Completed Unit 2 Concrete Basemat
*Received Unit 2 Reactor vessel on site*Installed Unit 3 basematrebar and completed BasematPour iil()Un i t 2 F irst Nuc lear Concrete (FNC)*First safety-related nuclearconcrete nuclear concrete placed in over 30 years*7,000 yds 3 of continuously placed concreteconcrete*Placement began on March 9, 2011 and ltditl l as t e d approx i ma t e l y 52 hours Setting of U2 CR10 Settin g of Unit2 Containment Vessel Bottom Head g (CVBH)*Set Date: 05/22/13
* Unit 2 Pouring of Major Auxiliary Building Walls
* Set U2 containment vessel bottom head
* F bi Fabricatedd and d SSet U2 C Condensers d       andd TTurbine bi Bld Steel S l
* Fabricated and Set Reactor Cavity Module
* Received Unit 2 Reactor vessel on site
* Installed Unit 3 basemat rebar and completed Basemat Pour
 
Unit i 2 First i Nuclear l    Concrete ((FNC))
* First safety-related nuclear concrete placed in over 30 years
* 7,000 yds3 of continuously placed concrete
* Placement began on March 9, 2011 and l t d approximately lasted        i t l 52 hours
 
Setting of U2 CR10 Settingg of Unit2 Containment Vessel Bottom Head (CVBH)
*Set Date: 05/22/13
*Design Weight: 936 Tons
*Design Weight: 936 Tons
*Linear Feet of Weld: 2,253LiFtfRidWld22
*Linear Feet of Weld: 2,253
*Li near F ee t o f R epa i re d W e ld: 22*Weld Acceptance Rate: 99.02%
*Linear Li     FFeett off R Repaired i dW Weld:
Settin g of U2 CVBH g
ld 22
U2ContainmentVessel(CV)Rings U2 Containment Vessel (CV) RingsCV Lower Ring is made up of:
* Weld Acceptance Rate: 99.02%
FC*F our Courses*A lower and an Upper Equipment Hatch
 
*A lower and an Upper Personnel Hatch ff*An external Sti ff enerCVLower RingCV Middle Ring is made up of
Settingg of U2 CVBH U2 Containment Vessel (CV) Rings CV Lower Ring is made up of:
:*Four Courses
* Four F   C Courses
*AninternalStiffenerCV Middle Ring An internal Stiffener U2 Containment Vessel Rin g 1 Coatin g s ggSteel surface preparation for inorganic zinc applicationInorganic zinc application in progress on U2 CV Ring 1 Unit3ContainmentVesselBottomHead(CVBH)
                        *A lower and an Upper Equipment Hatch
Unit 3 Containment Vessel Bottom Head (CVBH)June 2013October2013October 2013 Inside Containment CB65RtCltDiTkR CB66RCDT/RtCttP CB65 -R eac t or C oo l an t D ra i n T an k R oom CB66 -RCDT/ R eac t or C ompar t men t Passageway CB65 CA04 CB66 Unit 2 CA04 Module
                        *A lower and an Upper Personnel Hatch
*Reactor Vessel Cavity
* An external Stiffener ff CV Lower Ring CV Middle Ring is made up of:
*Dimensions: 21'-0" W x 26'-6" H
* Four Courses
*Approx. Design Weight: 90,000 lbs.
*An An internal Stiffener CV Middle Ring
*Approx. 7,661 linear feet of weld  
 
*Installed1436shearstudsInstalled 1 , 436 shear studs Unit 2 CA04 Module
U2 Containment Vessel Ringg 1 Coatings              g Steel surface preparation for inorganic zinc application Inorganic zinc application in progress on U2 CV Ring 1
*Lift and set with the   Heavy Lift Derrick (HLD)
 
Unit 3 Containment Vessel Bottom Head (CVBH)
June 2013 October 2013
 
Inside Containment CB65 - R   t C Reactor    l tD Coolant    i TTankk R Drain      Room CB66 - RCDT/ R   t C Reactor      t   tP Compartment Passageway CB65 CA04 CB66
 
Unit 2 CA04 Module
* Reactor Vessel Cavity
* Dimensions: 21-0 W x 26-6 H
* Approx. Design Weight: 90,000 lbs.
* Approx. 7,661 linear feet of weld
* Installed 1 1,436 436 shear studs
 
Unit 2 CA04 Module
* Lift and set with the Heavy Lift Derrick (HLD)
* Date: 09/27/13
 
U i 2 Auxiliary Unit  A ili    W Wallll Pl Placements
* 16 feet tall, tall 3 feet thick
* Top Elevation is 826
* Line I, Area 5 completed 8/24/13
* Line I, Area 2-3 completed 9/28/13
* Line I, Area 4-7 completed 10/17/13
 
Unit 2 Aux Building Rebar Installation Column Lines I, 2, 4, 5, 11, and Q, up to El 82 6 is substantially complete Column Line Q                  Column Line 11, 11 looking east to west.
west
 
U2 TB Major    j Component  p          Installation Condenser B Lower Shell July 2013 700 Tons South TG Support CH80 August 2013 650 Tons
 
U2 TB Major    j Component p        Installation Center TG Support CH81A    Center C  t TG SSupportt CH81B October 2013              October 2013 220 Tons                  220 Tons
 
U2 TB Major  j Equipment q p          Deliveries Deaerator                    MSR LP Turbine Rotor
 
Unit 3 Basemat Unit 3 Basemat in June 2013    Unit 3 Basemat in Oct 2013
 
U i 3 Basemat Unit        B                Rebar R b IInstallation ll i Shield Building Rebar, looking  Battery Room Rebar , looking North to South                    west to east
 
U i 3 Base Unit  B    mat pour
 
Unit 2 CA20 Module
* Approx. 85% of sub-modules have been delivered d  li  d
* Assembly is ongoing within the Module Assembly Building (MAB)
* To date 11 wall sub-modules have been erected on the platen
 
Toshiba Main Step Up Transformers - 230/26kV Assembly weight with oil - 529,800lbs each Main Tanks              Conservator Tanks
* 3 in service, 1 spare
* Oil reservoir
* 12,720 gallons each
* 730 gallons each
* Stored Air Filled
* Stored Air Filled
 
VC Summer Units 2 and 3 Switchyard
* Online February 12, 2013
* Connection of 230kV transmission lines for SCE&G, and Santee Cooper
* Largest g switchyard y    in the SCE&G System y
 
L Lesson      LLearned  d
* C Coordination di ti off groups tto h    help l understand d t d ITAAC
* Strengthening the procedural controls of ITAAC programs
  - Roles and responsibilities for groups
  - Stakeholder buy in
* Review of corrective action programs


*Date:09/27/13Date: 09/27/13 Ui2AiliWllPl U n i t 2 A ux iliary W a ll Placements*16feettall3feetthick
L Lesson      LLearned  d
*16 feet tall , 3 feet thick*Top Elevation is 82'6"
* U Understanding d t di and       d coordination di ti off ITAAC iissues away from site.
*Line I, Area 5 completed 8/24/13*Line I, Area 2-3 completed 9/28/13 9/28/13*Line I, Area 4-7 completed 10/17/13 Unit 2 Aux Building Rebar InstallationColumn Lines I, 2, 4, 5, 11, and Q, up to El 82' 6" is substantially complete ColumnLineQColumnLine11lookingeasttowest Column Line Q Column Line 11 , looking east to west.
  - Vendor inspections(NRC and Consortium)
U2 TB Ma j or Com ponent Installation jpCondenser B Lower Shell July 2013700 TonsSouthTGSupportCH80August2013 South TG Support CH80 August 2013650 Tons U2 TB Ma j or Com ponent Installation jpCenterTGSupportCH81ACtTGStCH81BCenter TG Support CH81A October 2013220 Tons C en t er TG S uppor t CH81B October 2013220 Tons U2 TB Ma j or E q ui pment DeliveriesjqpDeaerator MSRLP Turbine Rotor Unit3Basemat Unit 3 BasematUnit 3 Basemat in June 2013Unit 3 Basemat in Oct 2013 Ui3BRbIlli U n i t 3 Basemat R e b ar Insta ll at i onShield Building Rebar, looking NorthtoSouthBattery Room Rebar , looking westtoeast North to Southwest to east Ui3B U n i t 3 Base mat pour Unit2CA20Module Unit 2 CA20 Module*Approx. 85% of sub-modules have been dlid d e livere d*Assembly is ongoing within the Module Assembly Building (MAB)
  - Vendor corrective actions that have a material effect ff ITAAC
*To date 11 wall sub-modules have been erected on the platen ToshibaMainStepUpTransformers
* Development of a common understanding of what is meant by material effects on an ITAACs acceptance criteria.}}
-230/26kVToshiba Main Step Up Transformers 230/26kVAssembly weight with oil -529,800lbs eachMain Tanks
*3 in service, 1 spare
*12,720 gallons each
*StoredAirFilledConservator Tanks
*Oil reservoir
*730 gallons each
*StoredAirFilledStored Air FilledStored Air Filled VCSummerUnits2and3Switchyard VC Summer Units 2 and 3 Switchyard
*Online February 12, 2013
*Connection of 230kV transmission lines for SCE&G, and Santee Cooper
*Lar gest switch yard in the SCE&G S ystemgyy LLd L esson L earne dCditifthldtd
*C oor di na tion o f groups t o h e l p un ders t an d ITAAC*Strengthening the procedural controls of ITAAC programs-Roles and responsibilities for groups
-Stakeholder buy in
*Review of corrective action programs LLd L esson L earne dUdtdidditifITAACi
*U n ders t an ding an d coor di na tion o f ITAAC i ssues away from site.
-Vendor inspections(NRC and Consortium)
-Vendor corrective actions that have a material ffITAAC e ff ect ITAAC*Development of a common understanding of what is meant by material effects on an ITAAC's acceptance criteria.}}

Revision as of 11:40, 4 November 2019

V. C. Summer Construction Status and Lesson Learned AD Torres
ML13309A859
Person / Time
Site: Summer  South Carolina Electric & Gas Company icon.png
Issue date: 11/05/2013
From:
South Carolina Electric & Gas Co
To:
Office of New Reactors
Bloom S, NRO/DCIP/IGCB, 415-2431
References
Download: ML13309A859 (26)
v • d • e


Text

V C Summer Construction Status and Lesson Learned AD Torres

Unit 2 & 3 Construction Status Majorj Milestones il

  • Completed Unit 2 Concrete Basemat
  • Unit 2 Pouring of Major Auxiliary Building Walls
  • Set U2 containment vessel bottom head
  • F bi Fabricatedd and d SSet U2 C Condensers d andd TTurbine bi Bld Steel S l
  • Fabricated and Set Reactor Cavity Module
  • Received Unit 2 Reactor vessel on site
  • Installed Unit 3 basemat rebar and completed Basemat Pour

Unit i 2 First i Nuclear l Concrete ((FNC))

  • First safety-related nuclear concrete placed in over 30 years
  • 7,000 yds3 of continuously placed concrete
  • Placement began on March 9, 2011 and l t d approximately lasted i t l 52 hours6.018519e-4 days <br />0.0144 hours <br />8.597884e-5 weeks <br />1.9786e-5 months <br />

Setting of U2 CR10 Settingg of Unit2 Containment Vessel Bottom Head (CVBH)

  • Set Date: 05/22/13
  • Design Weight: 936 Tons
  • Linear Feet of Weld: 2,253
  • Linear Li FFeett off R Repaired i dW Weld:

ld 22

  • Weld Acceptance Rate: 99.02%

Settingg of U2 CVBH U2 Containment Vessel (CV) Rings CV Lower Ring is made up of:

  • Four F C Courses
  • A lower and an Upper Equipment Hatch
  • A lower and an Upper Personnel Hatch
  • An external Stiffener ff CV Lower Ring CV Middle Ring is made up of:
  • Four Courses

U2 Containment Vessel Ringg 1 Coatings g Steel surface preparation for inorganic zinc application Inorganic zinc application in progress on U2 CV Ring 1

Unit 3 Containment Vessel Bottom Head (CVBH)

June 2013 October 2013

Inside Containment CB65 - R t C Reactor l tD Coolant i TTankk R Drain Room CB66 - RCDT/ R t C Reactor t tP Compartment Passageway CB65 CA04 CB66

Unit 2 CA04 Module

  • Reactor Vessel Cavity
  • Dimensions: 21-0 W x 26-6 H
  • Approx. Design Weight: 90,000 lbs.
  • Approx. 7,661 linear feet of weld
  • Installed 1 1,436 436 shear studs

Unit 2 CA04 Module

  • Lift and set with the Heavy Lift Derrick (HLD)
  • Date: 09/27/13

U i 2 Auxiliary Unit A ili W Wallll Pl Placements

  • 16 feet tall, tall 3 feet thick
  • Top Elevation is 826
  • Line I, Area 5 completed 8/24/13
  • Line I, Area 2-3 completed 9/28/13
  • Line I, Area 4-7 completed 10/17/13

Unit 2 Aux Building Rebar Installation Column Lines I, 2, 4, 5, 11, and Q, up to El 82 6 is substantially complete Column Line Q Column Line 11, 11 looking east to west.

west

U2 TB Major j Component p Installation Condenser B Lower Shell July 2013 700 Tons South TG Support CH80 August 2013 650 Tons

U2 TB Major j Component p Installation Center TG Support CH81A Center C t TG SSupportt CH81B October 2013 October 2013 220 Tons 220 Tons

U2 TB Major j Equipment q p Deliveries Deaerator MSR LP Turbine Rotor

Unit 3 Basemat Unit 3 Basemat in June 2013 Unit 3 Basemat in Oct 2013

U i 3 Basemat Unit B Rebar R b IInstallation ll i Shield Building Rebar, looking Battery Room Rebar , looking North to South west to east

U i 3 Base Unit B mat pour

Unit 2 CA20 Module

  • Approx. 85% of sub-modules have been delivered d li d
  • Assembly is ongoing within the Module Assembly Building (MAB)
  • To date 11 wall sub-modules have been erected on the platen

Toshiba Main Step Up Transformers - 230/26kV Assembly weight with oil - 529,800lbs each Main Tanks Conservator Tanks

  • 3 in service, 1 spare
  • Oil reservoir
  • 12,720 gallons each
  • 730 gallons each
  • Stored Air Filled
  • Stored Air Filled

VC Summer Units 2 and 3 Switchyard

  • Online February 12, 2013
  • Connection of 230kV transmission lines for SCE&G, and Santee Cooper

L Lesson LLearned d

  • C Coordination di ti off groups tto h help l understand d t d ITAAC
  • Strengthening the procedural controls of ITAAC programs

- Roles and responsibilities for groups

- Stakeholder buy in

  • Review of corrective action programs

L Lesson LLearned d

  • U Understanding d t di and d coordination di ti off ITAAC iissues away from site.

- Vendor inspections(NRC and Consortium)

- Vendor corrective actions that have a material effect ff ITAAC

  • Development of a common understanding of what is meant by material effects on an ITAACs acceptance criteria.
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