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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 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
*ReceivedUnit2Reactorvesselonsite
 
*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
j il Major Milestones
* Completed Unit 2 Concrete Basemat
* Unit 2 Pouring of Major Auxiliary Building Walls
* Set U2 containment vessel bottom head F b i d
d S U2 C d
d T bi Bld S l
* Fabricated and Set U2 Condensers and Turbine Bld Steel
* Fabricated and Set Reactor Cavity Module
* Received Unit 2 Reactor vessel on site
* Received Unit 2 Reactor vessel on site
* Installed Unit 3 basemat rebar and completed Basemat Pour
 
i i
l
(
)
Unit 2 First Nuclear Concrete (FNC)
* First safety-related nuclear concrete nuclear concrete placed in over 30 years
* 7,000 yds3 of continuously placed concrete concrete
* Placement began on March 9, 2011 and l
t d i
t l lasted approximately 52 hours
 
Setting of U2 CR10
 
Setting of Unit2 Containment Vessel Bottom Head g
(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 F
*Li near F ee t o f R epa i re d W e ld: 22*Weld Acceptance Rate: 99.02%
t f R i
Settin g of U2 CVBH g
d W ld 22
U2ContainmentVessel(CV)Rings U2 Containment Vessel (CV) RingsCV Lower Ring is made up of:
*Linear Feet of Repaired Weld: 22
FC*F our Courses*A lower and an Upper Equipment Hatch
* Weld Acceptance Rate: 99.02%  
*A lower and an Upper Personnel Hatch ff*An external Sti ff enerCVLower RingCV Middle Ring is made up of
 
:*Four Courses
Setting of U2 CVBH g
*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)
 
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
U2 Containment Vessel (CV) Rings U2 Containment Vessel (CV) Rings CV Lower Ring is made up of:
*Reactor Vessel Cavity
F C
*Dimensions: 21'-0" W x 26'-6" H
* Four Courses
*Approx. Design Weight: 90,000 lbs.
*A lower and an Upper Equipment Hatch
*Approx. 7,661 linear feet of weld  
*A lower and an Upper Personnel Hatch ff
*Installed1436shearstudsInstalled 1 , 436 shear studs Unit 2 CA04 Module
* An external Stiffener CV Lower Ring CV Middle Ring is made up of:
*Lift and set with the   Heavy Lift Derrick (HLD)
* Four Courses
*An internal Stiffener CV Middle Ring An internal Stiffener
 
U2 Containment Vessel Ring 1 Coatings g
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)
Unit 3 Containment Vessel Bottom Head (CVBH)
June 2013 October 2013 October 2013
 
Inside Containment CB65 R
t C
l t D i T k R CB66 RCDT/ R t
C t
t P CB65 - Reactor Coolant Drain Tank Room CB66 - RCDT/ Reactor 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 1 436 shear studs Installed 1,436 shear studs
 
Unit 2 CA04 Module
* Lift and set with the Heavy Lift Derrick (HLD)
* Date: 09/27/13 Date: 09/27/13
 
U i 2 A ili W ll Pl Unit 2 Auxiliary Wall Placements 16 feet tall 3 feet thick 16 feet 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 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 looking east to west Column Line Q Column Line 11, looking east to west.
 
U2 TB Major Component Installation j
p Condenser B Lower Shell July 2013 700 Tons South TG Support CH80 August 2013 South TG Support CH80 August 2013 650 Tons
 
U2 TB Major Component Installation j
p Center TG Support CH81A C
t TG S t CH81B Center TG Support CH81A October 2013 220 Tons Center TG Support CH81B October 2013 220 Tons
 
U2 TB Major Equipment Deliveries j
q p Deaerator MSR LP Turbine Rotor
 
Unit 3 Basemat Unit 3 Basemat Unit 3 Basemat in June 2013 Unit 3 Basemat in Oct 2013
 
U i 3 B R b I
ll i
Unit 3 Basemat Rebar Installation Shield Building Rebar, looking North to South Battery Room Rebar, looking west to east North to South west to east
 
U i 3 B Unit 3 Base mat pour
 
Unit 2 CA20 Module Unit 2 CA20 Module
* Approx. 85% of sub-modules have been d li d
delivered
* 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 Toshiba Main Step Up Transformers 230/26kV Assembly weight with oil - 529,800lbs each Main Tanks
* 3 in service, 1 spare
* 12,720 gallons each
* Stored Air Filled Conservator Tanks
* Oil reservoir
* 730 gallons each
* Stored Air Filled Stored Air Filled Stored Air Filled
 
VC Summer Units 2 and 3 Switchyard VC Summer Units 2 and 3 Switchyard
* Online February 12, 2013
* Connection of 230kV transmission lines for SCE&G, and Santee Cooper
* Largest switchyard in the SCE&G System g
y y
 
L L
d Lesson Learned C
di ti f
t h l d
t d
* Coordination of groups to help understand 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 L
*16 feet tall , 3 feet thick*Top Elevation is 82'6"
d Lesson Learned U d t
*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.
di d
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)
di ti f ITAAC i
*To date 11 wall sub-modules have been erected on the platen ToshibaMainStepUpTransformers
* Understanding and coordination of ITAAC issues away from site.
-230/26kVToshiba Main Step Up Transformers 230/26kVAssembly weight with oil -529,800lbs eachMain Tanks
- Vendor inspections(NRC and Consortium)
*3 in service, 1 spare
- Vendor corrective actions that have a material ff ITAAC effect ITAAC
*12,720 gallons each
* Development of a common understanding of what is meant by material effects on an ITAACs acceptance criteria.}}
*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.}}

Latest revision as of 03:42, 11 January 2025

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 V C Summer Construction Status and Lesson Learned AD Torres

Unit 2 & 3 Construction Status

j il Major Milestones

  • Completed Unit 2 Concrete Basemat
  • Unit 2 Pouring of Major Auxiliary Building Walls
  • Set U2 containment vessel bottom head F b i d

d S U2 C d

d T bi Bld S l

  • Fabricated and Set U2 Condensers and Turbine Bld Steel
  • Fabricated and Set Reactor Cavity Module
  • Received Unit 2 Reactor vessel on site
  • Received Unit 2 Reactor vessel on site
  • Installed Unit 3 basemat rebar and completed Basemat Pour

i i

l

(

)

Unit 2 First Nuclear Concrete (FNC)

  • First safety-related nuclear concrete nuclear concrete placed in over 30 years
  • 7,000 yds3 of continuously placed concrete concrete
  • Placement began on March 9, 2011 and l

t d i

t l lasted approximately 52 hours6.018519e-4 days <br />0.0144 hours <br />8.597884e-5 weeks <br />1.9786e-5 months <br />

Setting of U2 CR10

Setting of Unit2 Containment Vessel Bottom Head g

(CVBH)

  • Set Date: 05/22/13
  • Design Weight: 936 Tons
  • Linear Feet of Weld: 2,253 Li F

t f R i

d W ld 22

  • Linear Feet of Repaired Weld: 22
  • Weld Acceptance Rate: 99.02%

Setting of U2 CVBH g

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

F C

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

U2 Containment Vessel Ring 1 Coatings g

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)

Unit 3 Containment Vessel Bottom Head (CVBH)

June 2013 October 2013 October 2013

Inside Containment CB65 R

t C

l t D i T k R CB66 RCDT/ R t

C t

t P CB65 - Reactor Coolant Drain Tank Room CB66 - RCDT/ Reactor 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 1 436 shear studs Installed 1,436 shear studs

Unit 2 CA04 Module

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

U i 2 A ili W ll Pl Unit 2 Auxiliary Wall Placements 16 feet tall 3 feet thick 16 feet 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 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 looking east to west Column Line Q Column Line 11, looking east to west.

U2 TB Major Component Installation j

p Condenser B Lower Shell July 2013 700 Tons South TG Support CH80 August 2013 South TG Support CH80 August 2013 650 Tons

U2 TB Major Component Installation j

p Center TG Support CH81A C

t TG S t CH81B Center TG Support CH81A October 2013 220 Tons Center TG Support CH81B October 2013 220 Tons

U2 TB Major Equipment Deliveries j

q p Deaerator MSR LP Turbine Rotor

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

U i 3 B R b I

ll i

Unit 3 Basemat Rebar Installation Shield Building Rebar, looking North to South Battery Room Rebar, looking west to east North to South west to east

U i 3 B Unit 3 Base mat pour

Unit 2 CA20 Module Unit 2 CA20 Module

  • Approx. 85% of sub-modules have been d li d

delivered

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

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

VC Summer Units 2 and 3 Switchyard VC Summer Units 2 and 3 Switchyard

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

y y

L L

d Lesson Learned C

di ti f

t h l d

t d

  • Coordination of groups to help understand ITAAC
  • Strengthening the procedural controls of ITAAC programs

- Roles and responsibilities for groups

- Stakeholder buy in

  • Review of corrective action programs

L L

d Lesson Learned U d t

di d

di ti f ITAAC i

  • Understanding and coordination of ITAAC issues away from site.

- Vendor inspections(NRC and Consortium)

- Vendor corrective actions that have a material ff ITAAC effect ITAAC

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