ML18081A751

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Installation Procedure (Underwater) for Increased Capacity Spent Fuel Storage Racks
ML18081A751
Person / Time
Site: Salem PSEG icon.png
Issue date: 12/10/1979
From:
Public Service Enterprise Group
To:
Shared Package
ML18081A750 List:
References
PROC-791210, NUDOCS 7912140318
Download: ML18081A751 (56)
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Text

'9 i

INSTALLATION PROCEDURE (UNDERWATER)

FOR INCREASED CAPACITY SPENT FUEL STORAGE RACKS UNIT NO. 1 SALEM NUCLEAR GENERATING STATION RtrunM TO RU\\CTOR DUCi{ET

,_ f llES _=.:='"~*~faA~~*1:.!'~~j(,frf~~S1ffs1%~~~~

'1912140

INDEX Page No

  • I PURPOSE II REFERENCES III PREREQUISITES Rack Removal-Phase One Rack Iris.tallation~Phase One
  • '.Ra.ck Removal and Ins.tallation-Phase II

. IV

  • PRECAUTIONS v

VI VII 1'

Rack Removal

'Rack lnstall~tion' ACCEPTANC~ CRITERIA PROCEDURE-PHASE I

    • Shipping/Burial.Container. Construction 2..
  • 'Rack* Removal (W *racks 1.:1 :4,. !,
  • 10, 13, *. *
  • 2,. and 5)
l.

.Pool Preparation for Rack Installation

  • 4..Unloading arid Upending* of Rack Modules S.
  • Cleaning of R*cks *

' 3.'

6.

lristallation of Sump.Pedest*l

. 7.

Installation ~f Racks-Prerequisites and Notes 8 *. Installation of ~ack A-10

  • 9~. *.Installation of Rack A~7
  • PRO~EDURE-PH~SE'II

. 1.

Rack.. Removal (Wracks 14,'*ll,.12, 9; 8~ 6, 3)..

2.

Pool Preparation for* Rack ln~tal1ation.

3.
  • Unloading and Up.ending of Rack Modules **
  • 4.* Cle~ning of Racks
5. *Installation bf:ijemairiing R~cks
6.

Installation-~f Rack I~ierties 1:*~1nstallation b£*wall Ar~:R~strairit~

8..Installation of Frame Ex;tensions *.
9.

Clean-Up VII I APPENDIX

. 1 2

3 3

3 s*

  • s 5 '*'

6 7

' 7

  • 7 '

'.'*8'

  • 10 14 16 17 18 18 22 23

-23

. 25 25 25

.25 26

28

30

.31 32

. P79 88 23

I.

PURPOSE The purpose of this procedure is to provide instructions and r~quirernents for the installation of twelve {12) safety

.r~lated hi~h den~ity spent fuel storage racks in the existing spe~t fuel pool at Salem Nuclear Generating ~tation,.Unit No.

1.

The install*ation of these spent fuel storage racks. shall be accomplished under a Quality Assurance _progrirn which complies with 10CFRSO*Appendix B and is approved by PSE&G *

. Detailed instructions shall be prepared* by the. contractor to perform.the instaflation.

These supplemental d~tailed

.instructions shall be made _part of this procedure after approval by:PSE&G.

Notes:. *1.

The PSE&G.Field Engineering Superv_isor or his

-~:*des'ignee has* the authority to make. any nece_ssary changes to the following procedure that may be

~equired while removing the old ~totage racks or installing* the* new high density s_pent fuel storage.. * :

. r~cks at S~lem Nuclear Geneiating Station Unit 1.

The *references on page 2 shall be *complied with.

2.

The work sheets* included **herein* are for

... P79 *: 56 28 I

guidance to s~6w what.information.is to be

  • recorded.

The. contractor may develop his own work sh~ets to ~erve the pµrpose

  • e II.

REFERENCES

_Drawings Required

l.

XN-NS...;D-044'

2.

XN-NS-D-045*

. 3.

XN-NS-D-047, Sh ts.* l& 2

.4. *

  • XN-NS-D-048, Sh ts. l thru 5
s.

XN-NS7D-049,

-Sh ts. 1 -& 2

6. *-XN-NS-S-009
7.

XN-:-NS-013

s.

Ns~sK-095

. 9 *.

Leckehby Drawing

10. NS-SK-064

.11 *. PSE&G Dr-awing 2048.36-A~8753-2.

12. XN-NS-D-050 13.XN-NS-D-051 14.* Sketch A.
15. Sketch B.*
  • 16. Sketch C P79 56 29 T-24

. Title Spent Fuel Pool Arrangement Units 1 and 2.

Neutron Absorber Spent Fuel Cell -

Salem Spent Fuel Module Interties, Wall Restraints & Lifting Eyes - Salem Units 1 & 2 Spent Fuel Module (10 x 10)

Salem Unit~ l & 2 Spent Fuel Module {9 x 16) -

  • Salem* Units 1 & 2 Technical Specif icati6n Design Criteria Remote Strong Back
  • Rack Rotating Beam Special Tooling No~ l *& 2 U~its Fuel Handling Area General Arrarigement*

Mechanical

  • sump Pedestal*

Sur~eillance Sample Holder Foot In ter.ference Plate for Racks A-1, A:-2.and. A-:-3 Salem

. Foot Interference Plate for Racks

  • A-7 1. A-8 and A-~.

Foo~t Interference Plate.for* Racks '

A-10 and* A-*11

  • I

Drawings Required

17. Sketch D.
18. Sketch E.
19. PSE&G Spec.

75-6482

20. PSBP 112977

.,21. XN-NS-S-008.

P79*Si5 30 II.

REFERENCES Title Existirig Sperit Fuel Pool Arrt. -

Numbering Sequence New Spent Fuel Pool Arrt. -

Numbering Sequence Detailed Specification Bigh_Density Spent Fuel Racks.

Westinghouse a*rawing 113E346 Spent Fuel Storage Racks Arrangement Technical Specification for 'Neutron Absorber_ Spent Fuel. Stprage Racks

-2a=

III.

PREREQUISITES Rack Removal -

Phase One

l.

Procedures have been reviewed and approved by PSE&G Co.

  • personnel.*
  • 2.

Plant health.physics, safety, and security procedures have been complied with.

The Salem Health Physics Department will monitor all phases of this procedure to ~ssure that occupational exposures will be as low as reasonably achievable.

3 *. stored spent fuel has been arranged to allow phase *one rack r~moval to commence.

4 *. Permission to start work obtained* from Stat*ion Manager.

5.

6

  • The* cask handling crane is* available for use.

The spent fuel handling crane is :available for use.

. 7. *The temporary rigging ~quipment ls available for.installa-tion *.

'9.

  • Underwat~r-~a~era and closed ~ir~uit television*available

.for use if re qui red.

Rack.Installation~ Phase One

1.

Items L thru 8 *above have bee.n compl i:e*a with.

2~

Existing racks 1,4,7,10,13,2 and s*have been removed.

(See Sketch E for numberi.ng sequence) *.

  • 3. *. The pool is.ready to receive.the new high -density.spent fuel.storage racks (vacuumed and clean).
  • 4.

The new high density, spent fuel.storage racks required f6r phas~, one have.be~n teceived on-site and accept~d by Quality Co~t~ol Personn~l

  • P79 56 31 **

. :..3_.

.v III.

PREREQUISITES

{Cont'd)

5.

Special equipment has arrived on-site (Exxon Nuclear Company supplied tooling~ strongback and rotating beam fixture.)

Such equipment shall be load tested. and cer-tified as applicable.

6.

The temporary rigging equipment is available for. installa-tion.

Such equipment shall be load tested and certified.

,7.

Underwater camera and ~lo~ed circuit television available

  • for usa if required.

B.

Racks are cleaned and teleased *by Quality Control Personnel.*

9.

A survey of the spent.fuel p6ol.flo6r where the rack feet will re~t is complete.*

e

10.

Under no circumstances can the rack *feet rest on a weld

  • seam or bolts at anytime" including. during insta.llaiion.

lnterference~ exist between rack feet and weld seams on A-1, A-2, A-l,.A-71 A~s, A-9~.A-10, and.A-11 *. For this reason the plates shown*on sketches A,*a and t must be fabricated.

Sketches A a~d B show iriterference plates

~for weld s~am to foot interferences and *re to be used for rac.ks A-i, A-2, A-3,

  • A-7,- A-8, and A-9.*

Sketch c shows hold-down bolt to -foot interfetence plates and this type of plate is to be used for racks A-10 and A-11.

Prior to in-stalling Bket6~*c plates, the bolts mu$t be cut to about

.114* off the bottom of the pool; the plate is placed '.over

-the bolts and the.rack foot is placed -0ver the plate.

P79 56 32 I

. i I

I I

I I

~II.

PREREQUISITES (Cont'd)

Note:

Extreme car~ shall be taken to insure that the in-tegrity of -the pool liner plate is not j-eopardized.

The cutting of the bolts shall be documented and vei-ified bn.a pool arrangement drawing.

11.

The. Health Physics Department will monitor all phases of this procedure-to as~ure that occupational levels will ba as *1ow as reasonably a~hievable.

-*Rack -Removal and Installation ~- Phase *Two

l.

Rack removal and Installation -

Phase One*hasbeen com-

. pleted.

2~ -Basic prerequisites are the same as Phase One prereqciisites.

IV.*

~RECAUTIONS Rack Removal

... ~l *. *All.spent fuel and other* item's stored in the. pool shall

    • ~~.

. fi-rst be moved to existing racks' 3,6,9,i2,8,ll' and 14.

(See

_ Sketch E for ~umbering sequence.)

With* these racks*

. *.*installed, there are 124 storage locations_ available. *There are, however,.125 com~onents curte~t1y.stored in the spent fuel pool *.

  • One of these. components_ is a dummy* assembly.

Th is dummy assembly should be removed from* th.e pool and

stored on. elevation 130 1 *of the f-uel handling building.
2.

No racks will-be moved over the stored spent fuel.

'p79 56 33'

-s-

t' e

3.

~v.

PRECAUTIONS (Cont'd)

The level of contamination is as low as possible before removing the rack* (or material) completely from the spent f ue 1 po o 1 *

4.

No cutting of the r~moved racks-will commence until the rack has been piaced inside the t>ortable enclosure.

The PSE&G

  • Health Physics Department at Salem will approve and monitor th_e enclosure.
  • s. *Each segment of the* old rack is properly wrapped with.

polyethylene prior to placing it in the burial container *

. Rack Installation l~

Care must be taken to prevent galling of the leveling

... e.

. feet threads and lift connecttng bolts.

2.

Adjust leveling* feet. scre*ws only when* weight is' removed

  • from the adjusting feet.

3 *. None of the adjusting feet <shall rest on any floor seam

  • welds or hold down *bolts either during or after installation~
4. *When lifting.'the rack-modules ver.t"ically, the racks shall
  • be 1 i fted by the 1 if ting strong back ohl y.
  • s.

No material shall come into contatt with the high density

~pent fuel storage racks during irist~llation that does not meet-Technical* Specification XN-NS-S-,Q'09, Rev.* o.

(Reference 6)

No racks will be moved over the stored spent fuel

  • P79 56 33
  • .J V~

ACCEPTANCE* CRITERIA

l.

Rack datums shali be vertical to within 1/16-inch at final installation in the spent fuel storage pool.

  • .This shail be verifi~d by i~stalling all ra~ks such that the relative*elevationsat the.four *(4) corners are within.032.of an inch of the vendors supplied readings.
2.

Cl ea ranee, between 'wall' arm restraints and _pool liner, shall be as shown on. *.Exxon Nuclear *Dra~ing XN-NS-D-044 *.

. 3.

Prior to inserting any fuel *.in the high density *fuel racks the.locations* to be used shail first be.tested by

.inserting* and removing a cdwnmy* fuel element in accord-a nee with established Produc.tion Department procedur~es *

4.

Tne*spent Fuel Handling Crane coordinates*must meet

    • .*acceptable accuracy to insure *no insertion nor withdrawal interactions *

. *. VI.

PROCEDURE -* PHASE I

l.
  • Shipping/Buri"a1 Container Construction A.
  • Sh'ipping containers* sha.11 be *used to* ship the removed.

. conta~inated racks to.an approve*d radwaste *burial ground.

An approved Shipping/Burial Container.shall*

be provided by PSE&G.

. *p79 56 34 VI.

PROCEDURE -

PHASE I (Cont~d)

2.

Rack Removal *(W racks 1,4,7,10,13,2 and 5)

A.

Using the fuel handlJng cran.e.place all fuel elements in~ racks_9,_ 12, and 6.

This to be performed by

  • PSE&G ~ersonnel only.

B.

Using the fuel handling crane place all burnable poison rods and 6ontro1 rods in the other available cells in racks 9,12, and 6 and in racks 3,8 1 11 atid 14.

This i$

to be performed by PSE&G personnel.

C.

Remove the hold down nuts from the seven (7) racks to be.

removed *

. D *. Rotate the twenty-six (26) rack interties. associated with racks 1~4,7,10,13,2 and 5 to their unlocked position.

E. *starting* ~ith rack l raise *the ~ack ~ntil it i~ just.

below the surface ~f. the water in the spent fu~l*pool.

F.

Rinse the rack 9ff with demineralized water util~zing the hand*held lazer.

G.

Rai-se the rack *until it just clears the surface of the pool.

H. * *Check the *rack for contamination. * (To be performed.by He_alth Physics Department.)

Note:

When the. contamination level* is. le.ss than ten P79 56 36

  • (10) mr/hr *(or as 1.ow as possible).and the majori~i of water has drained*.off, proc~ed to the ne~t step.

If contamination level is above 10 mr/hr continue to rinse the rack over the

-spent fuel pool until* levels. reach 10 mr/hr or less.or until the Field Engineering Supervisor VI.

PROCEDURE -

PHASE I (Cont'd)

2.

Rack Removal (Cont'd) and the Health Physics Department are satisfied that the lowest levels have been achieved.

I.

Relocate "the rack and position it on elevation 130' in the spent fuel building.

J.

Raise, relocate and posiiion the rack inside the port-able enclosu-re.

Note:

All personnel shall conform with the latest H.P.

rules in effect at Salem while cutting up the existing racks.

K.

Plac~ a shipping/burial container alongside the port-able enclosure.

L.

Utilizing a plasma arc cutting machine, cut the rack into segments that will maximize the use of the space inside the shipping/burial cont~iner.

  • M.

Wrap and tape each segment or group of segments with polyethelene and place inside the shipping/burial container.

Note:

Each shipping/burial container should hold P79 SG 3G approximately three (3) rac*ks after they have

./

been cut up.

VI.

PROCEDURE - PHASE I (Cont~d)

2.

Rack Removal (Cont'd)

N.

Repeat the steps 2E through 2M for all of the racks to be removed.

Note:

At no time shall any r~ck be moved hotizontally

.in the pool until it is lowered to approximately.

six (6) *inches off the pool floor.

3.- *Pool Preparation for Rack Installation A~ *ut*ilizing special tools, provided by. Exxon Nuclear, remove all ho1a* down nutsi loose shims and other*

foreign objects from the floor of.the spent fuel pool.*

~.

w~sh the nuts, lo~se shims and other objects with.

demineralized water until. the*y are lOMR or. less of contamination.

C.

Wrap and tape.the i terns from step *3._B with polyethylene and place-in a shipping/burial_conta.iner.

D.

Vacuum.the pool.foor removing all visible foreign particles.

  • E *. Record on Wo r k Sheet No
  • L r79 51} 37 VI.

PROCEDURE -

PHASE I (Cont'd)

3.

Pool Preparation for Rack Installation (Cont'd)

F.

Locate and identify by benchmarks the east side of racks A-10 ~nd A-7 on the north wall as follows:

  • Locate and id en ti fy the di.stance sho'fln on Exxon draw-ing XN-NS-D-044 o.n the north and south edge of the pool.

Stretch a.line fro~ the north to the south edge of.the poo:l.

The line wi 11 be laid across both marks

~n each side of the pool and new ma~ks ~ill be located on the operating floor as far as possible from both edges of the p6ol and on th~ north wall.

Set a sur-veyor's transit up on the oper~ting floor and centered on the line that has been extende~ from th~ soµth ed9e of the pool.

Make certain that the transit is level (level if* required}. *.Locate and,identify this bench-mark on the.north wall.

G.

Locate and identify the north side of rack A-10 *on the west wall as follows:

Locate and identify.the distance shown on Exxon Drawing XN-NS-.D-044 on the e~st and west* sides of the pool.

Stretch.a line between the two marks*on the east and

.west side of the po'?.l *. Mark. a line **on the* openiting

/.

floor as far as po~sible from the sides of the pool.

se-t a transit cent,ered on the line *on the-west side of*

  • the pool.

Make certain that the transit is.*level

(.level if required) *. Locate and identify this bench-mark on the c~st wall.

l

VI.

PROCEDURE -

PH~SE I (Cont'd)

3.

Pool Preparation for Rack Iristallati.on (Cont'd}

B.

Record steps 3F and 3G on work sheet No. 2.

I.

Connect the fuel handling crane (five ton) to the thirty (30f foot stranded steel cable.

J.

Connect the thirty (30) foot stranded steel cable to the spetial template furnished by Eixon Nuclear *

. K.

Li ft th_e template over and posi_tion ln the spent fuel

  • pool as shown for rack A-10 on. Exxon Nuclear.Dr awing No. XN-NS-D-044.

L.

Using the sur~eyor's ttansit 8nd special tools,*check for horizontal aligment, as called for on Exxon Nuclear Drawing XN-NS-D-04 4.

This shall be accomplished as

. follows:

East Side Set the surveyor's -transit up on the operating floor, centered on-the scribe mark located south east.corner* of the spent fuel _pool..

Check to make certain* the transit

  • is lev~l (level~ if required).

Using the long* extens-

  • ion handle, with. the r-emote leveling too_l. (special tools provid~d by E~xon'NUcl~ar Company), pl~c~ the remote leveling tool in tha h~lf~inch hole piovided.

Che.ck to see. that. t... he template is in alignment with the benchm~~k on the north wall.

P79 56 39 i

I I

VI.

PROCEDURE -

PHASE I (Cont'd).

3.

Pool Preparation for Rack Installation

{Cont'd)

North Side Repeat the above steps except.centered on the scribe mark located at the north west corner of the ftpent fuel pool and check to see if the template is in

  • alignment with the benchmark located on the east wall.

M.

Rec6rd on Work Sheet No. 3 N.

  • Attach an appro~ed marker to' the long-exten~ion handle..

~u~~lied by *Exxon Nuclear Compariy, outline the locations where the adjustable feet will contact the Spent fuel pool floor.

o.

Move the template out of the way and verify that no e

floor liner weld seam$ will be under any of the ad-just~ble feet~

(Use underw~ter television if necessary.)

  • P.

Recor*a on Work Sheet No. 4.

Q.

Repeat steps 3-K through 3-P for rack position No.

A~7 R.

Rinse the cable and ~~mpiate, with demineralized w~ter, as they a re removed :from the pool.

s.. Remov*e the-t_emplate from the thirty *(30) foot cable and

  • store it on the operating floor for use during Phase Two.

T.

Remove the ihirty (30} foot c~ble from the fuel handling five (5) ton crane and* store it on. the operating floo*r.

P79 56 41*.

VI.

PROCEDURE -

PHASE I (Cont'd)

3.

Pooi Preparation for Rack Installation (Cont'd)

U.

Survey the spent fuel pool floor at the locations where the racks will be installed.

This is to be performed as follows:

Sit a surveyor's transit on the operating floor and check tb be 6ertain that the transit is level (lev~l if re~uired).

Using the long extension-h~ndle (working off the spent_ fuel pool travelling walkway), check the elevation of.the area where the rack fe~t will rest on the spent fuel pool floor.

V.

Record on Work Sheet No. 5.

P79 56 42

-13a-

~.

. e*

VI *. PROCEDURE -

PHASE I (Cont'd)

4.

Unloading and Upending of Rack Modules A.

Uncrate and assemble the Exxon supplied rack rotating

. beam as shown on Leckenby Drawing T-24.

{Reference 9)

B.

. Lubricate the four (4) lifting clevis connecting bolts with *Neolube* or equivalent.

C.

Install the two (2) lifting clevis~ utilizing the bolt*s from Step 4-B, to the top grid of the rack to be unloaded.

D.

  • Torque the four (4) lifting clevis connecting bolts to 80 ft *. lbs. + 10 ft. lbs.

E~.

Connect the Exxon Nuclear supplied sling to the cask handling crane, and to.the rack rotating beam.

F.

Raise and position the rack rotat1.ng. beam *for connecting to the two (2) lifting clevis, which were installed during Step 4-C.

G..

Lubricate the two _(2) rack rotating beam T-24F shoulder link connecting bolts.with aNeolube* or equiv.al en t

  • H.

Install the ~two (2) bolts, from Step 4-G, connecting.

the ~-24C :rack rotating beam links to the lifting clevis.

I.

'l'Orque t}le two (2) T-24F rack rotating. beam shoulder.

J *.

/

bolt nuts to 20 ft. lbs. + 5 ft. lbs.

Lift the rack slowly u~til the overhead cask handling crane cables are approximately in-line with the corner of th~ rack resting on the truck bed.

1'79 56 41 1-

VI.

PROCEDURE PH.a.SE I (Cont'd)

4.

Unloading and Upending of Rack Modules

(-Cont'd)

K.

Ra-ise.the.r.ack.until it clears the truck bed.

L.

Remove_the truck from the unloading bay.

M.

Lower the rack until it is approximately 12-inches from the.floor.

N.

Place two (2) sections of 4*xa* timbers under the outside corner of the *uspended rack.and then, lower the rack until it is -~esting*ori the 4*xg*

timbers.

O.

  • Move the overhead cask handling ~rane trolley slightly forward to where the rack passes the.*

center.of gravity and can be lowered into an upright vertical>position.

P.

Place two (2).additional 4*xa* ~imbers on the

. floor fot the ~ther two**(2) outside cornets.. to rest on.

Q.

Lower the* rack, m*aking certain that the 4 11 xa*

timbers remain eorrettly placed, until the ra~k is resting entirely on the four (4t timbers.

<NOTE:

Check the rack for stability, prior to r~movin9 th~~r~ck rotating beam

  • P79 56 42

.e VI.

PROCEDURE -

PHASE I (Cont'd)

4.
  • Unloading and Upending of Rack Modules (Cont'd.)

R.

Remove the two (2) T-24F rack rotating beam shoulder bolts and place them in storage *

. s.

Remove. the rack *rotating beam and place 'it in storage.

T.

Disconnect the two (2) lifting clevis and place them in storage.

U.

Repeat Steps 4-B. through 4-T, as. required,. to unload and place the racks in a vertical upright position for cl~aning and installation.

5.

Cleaning of Racks A.

Utilizing Plant de~ineralized water, wash down all exposed surfaces.

B.

Plac~.three (3) :to six(~) lint free rags-through the 4-inch ring on the end of the cleaning rod.

(Field Constructed.)

C.

Pour approximately two (2) 9allons of an approved cleaning agent into a bucket.

D.

Put the end of the cieaning rod holding the ~ags

~in Step 5-B*into the approved cleaning.age!lt.

E.

Inser't the cleaning rod into each cell of.the rack to be cleaned until all of the cells are tleaned.

F.

~Have Quality Control *check for cleanliness, -and

  • -sign-off on Work-She'et No. 6 *.

G.

  • Repeat Steps s~A thro.ugh_S-F, as required for all 9

racks.

Each rack must be cleaned, and signed-off by Quality Control.

P79 56 44 VI.

PROCEDURE -

PHASE I (Cont'd)

  • 5
  • C 1 ea n i n g o f Ra ck s

( Cont ' d )

H.

As required, racks shall be lifted to the*operating deck using the supplied lifting beams and the cask handling crane.

6.

Installation -of Sump Pedestal A.

Lubricate the three (3) lifting eye bolts with

  • NeoLube* or equivalent.

B *. Install the three *(3) lifting eye bolts from Step A.

c. *-Connect the. rope sling to the three (3) lifting eye
  • bolts.and to the overhead crane.

D.

Lift the sump pedestal over and position in spent-_ fuel pool.per Exxon Nuclear Drawing XN-NS-D-050~

E.. Level and shim sides per. Exxon Nuclear.o-rawing

  • xN-NS-D-050.

F.

Ver'ify and record on Work Sheet No. 12.

G.

Remove rope sling and lifting eye (3) bolts, place in ~torage for Unit No. 2.

P79 56 46.

VI.

PROCEDURE -

PHASE I (Cont'd)

7.

Installation of Racks -

~rerequisites.and Notes Prior to the installation of racks, perform the following:

A.

Move the fuel-handlin*g crane away ~rom the spent fuel pool.

Park the fuel handling ~rane over the new fuel storage area.

B.

Install the temporary twenty (20) ton rigging crane over the transfer pool using th~ cask handling crane. -

~his temporary ~rane will travel over the-spent fUel pool.

8~ _Installation of Rack-A-10 A.

Install interference-plate (Sketch C) over the holddown bolts.

1

- r e _ -- B. -- Lubricate the eight (8) 1 if ting assembly.- connect{ng bolts with *Neolube* or equival.ent.

c.

Install -the four -(4) lifting assemblies utilizing bolts

  • -_ f-rom step 8-B O."

Torque al_l eight ('8) lifting assemblies connecting bolts td eighty (S-0) ft. -lbsj +.5 ft. lbs.

---E.

  • Connect:-thetemporary crane-to the rack lift_ing strongbaC:k.

F.

Raise the strongback off the floor*appro~imately*

24-inche*s.and -position the blocks on the *strongback

  • to match t.he rack belng*installed. Torque all bo*lts to eighty (80) ft. lbs. ! 5 ft. lbs.

G.

Raise*the strongback over the rack and connect it to the rack.lifting assemblies.

P79 56 45 '

_I

VI.

PROCEDURE -

PHASE I (Cont'd)

8.

Installation of Rack A-10 (Cont'd.)

H.

Lubricat~ the seven (7) level adjusting feet with

  • Neolube" or equivalent.

I.

Raise the rack.off the 6peratibg floor approximately four-feet ~4'). Utilizing data from Work Sheet No. 5, calculate the lowest s~tting required for all feet~

J.

Install the *four {4) corner adjusta.ble feet, making pr~liminary adjustments from the data calcul~ted 1n step*

. 8.r.- -These adjustments shall be documented fo-r later

  • . K.

L.

reference.

Install the three (3) remaining adjustable, feet, turning them to.a fUll u~ position.

Lift the rack over and position it in the spent fuel pool at approximately location A-2 as shown on Exxon

  • Nuclear Drawing No. _XN-NS-D-044~ Move_horizontally
    • until *the rack is in location A-10.

Horizontal movement of the racks over -the spent _fuel *pool-_ after initial lowering into the pool shall not occur unless the*racks are less than 12* from the pool floor.

This precludes the _travel of racks over another_~ack or fuel.

P79 56 48

  • ..a VI.

PROCEDURE -

PHASE I (Cont'd)

8.

Installation of Rack A-10 (Cont'd.)

M.

Very carefully, lower the rack until it is approxi-mately six-inches (6*) from the ~loor.

Check to*m~ke certain ~hat none of the ~djustable feet will contact any seams or hold down bolts.

Refer to notes in Section III for instructions.

N~

Slowly lower the rack until it is resting completely on the spent fuel pool floor.

(Use un*aerwater television if required.)

O~

U~ing the stirveyor 1s transit ~hd special tools, P79 56 47 check for horizontal and vertical alignment, as called for on Exxon Nuclear Drawing No. XN-NS-D-044.

This will be ~ccomplished as f~llows:

Horizontal - north side**- set.surveyor-is transit*

centered on the position mark loc~ted on north west*

corner of the spept fu~l pool~.Check to ~ake certain the transit is level (level, ff required). - Using the l~ng-extension handle with the remote leveling tool,

  • place the remote ~eveling tool in the elevation

. measuring holes as shown on Exxon Nuclear Drawing XN-NS-D~048, Sheet No.

2~

  • Check to see if the r~ck is
  • 1n alignment with the benchmark* loc;ated on the east wall o'f the fuel handling* building.*
  • Ho-rizontal - east side - set surveyor's transit centered on the posltion.mark located on the south east corner of the spent* fuel pool.

Check to make certain VI.

PROCEDURE -

PHASE I (Cont 1 d)

  • e
8.

Installation of Rack A-10 (Cont'd.)

e*

the transit is level (level, if required).

Using the long-extensJon handle, with the remote level tool, place the remote leveling tool in the elevation measuring hole, as shown on Exxon Nuclear Dra~ing XN-NS-D-048, She.et No. 2.

Check to see if the *east.side of the rack is in alignment with* the benchmark located on the north wall of the fuel handling building.

Vertical - Set surveyor's tran~it up on the operating

. floor and check to make certain the transit is level (level, if r~quired).,Using the long-extension handle, with the remote leveling tool (special tools provided by Exxon Nuclear Co~p~rny); place. the remote leveling: tool in the elevation measuring hole, as shown on Exxon

  • Nuclea*r Drawing No.

XN~Ns..:..o-04s*, Sheet No. 2.

Check all four (4) corners,- and compare.with Fabricator *readings *.

P.

Record data on work sheet No. 7.

Note:

P79 56 50 If ;adjustments are required, raise the rack to a point that it just clear~ the spent fuel pool floor, and ma~e ~djustments. Re-peat step a.o~ after e~ch adjustment to ~n-

. sure proper positioning.

VI.

PROCEDURE. -

PHASE I (Cont'd).

8 *. Installation of Rack A-10 (Cont'd.)

Q.

Removethe.strongback from.the *Rack.

  • R*. * *Rinse *Cable and strong back; with demineralized water, as the.y are removed. from the spent fuel pool.

S.

Utilizing special toots, remove the lifting assembly conriecting bblts and rinse both the liftin~ assemblies and connec~ing bolts with demineralized wateri ptior

'. to removal from the sp~nt.fuel pool *. *

, T..

Usin*g the special long-handled tool, turn the middle

  • adjustab.le feet* until** thei.make contact with the spent fuel pool floor.

u *.. : Torque all.adjustable feet to* 100 ft lbs:*.! 5 ft lbs

  • V *.

Record data on*Work Sheet.No. s.*

9.
  • Installation of Ra.ck A~7.

A.*** Install* the interference plate (sketch B)* over the.weld**

-seams.

a.

Repeat steps.8.B. through.8.K *.

c.

Lift..the rack over and position it in the~ spent fuel pool D.

~. "

  • at approxima*tely.location A*~-2 as** shown on Exxon Drawing No.*XN.-;Ns-D-044.

Move the* rack horizontallt until' it is*

in location* A-7 ~. Rack A-7 *in its f i.nal position should bejust 0 bareli.to~c*hing_the.south*lower part of r.ack A-10.

Repeat steps 8.M. through 8.V.

P79 SG 49

1.

VI

I. PROCEDURE

PHASE II Rack Removal {Wracks 14,11,12,9,8,6,3)

A.

Park the temporary 20 ton crane as close as possible to the north wall.

B.

Using the fuel handling crane place all £uel elements burnable poison rods and control rods in Racks A-10 and A-7.

This to be performed by PSE&G personnel only.

Prior to storing the fuel elements, burnable. poison rods and control rods in racks A-~o, all storage loca-tions shall be checked with a dummy fuel element.

C.

Remove the hold down nuts from the seven (7) racks to be removed.

D.

Rotate the thirteen (13) rack interties associated with racks 14, llt 12, 9, B, 6 and 3 to their unlocked position.

E.

Starting with rack 3, raise the rack until it is just below the surface of the water in the spetit fuel pool.

F.

Rinse the rack off with demineralized water utilizing the hand held lazer.

G.

Check the rack for contamination.

{To be performed by Health Physi~s Department.)

Note:

When the contamination level is less than ten

( l 0) m r /hr * ( o r as low as possible) and the majority of water has drained off, proceed to the next step.

If contamination level is above 10 mr/hr continue to rinse the rack over the spent fuel pool until levels reach 10 mr/hr P79 5G 50

-/.3-

e**

VI

I. PROCEDURE

PHASE II

l.

Rack Removal

{~ racks 14,ll,12,9,8,6,3)

(Cont'd) or less or until the Field Engineering Supervisor and'the Health Physics Department are satisfi~d that the lowest levels hav~ been achieved.

H.

Relocate the rack and position it on elevation l~O' in the spent fuel building.

I.

Rais~, relocate and position the rack inside the portable *enclosure.

J.

Note:

All personnel shall conform with the latest H.P.

rul~s in effect at Salem* while cutting up

-~he existing ratks.

Place a shipping/burial container alongside* the port-able enclosure.

K *. Utilizing.a plasm~ ~re cutt~ng machine, cut the. rack into segments;that will maximize the space inside the shipping/burial container.

L.

Wrap and tape eath segment or gr6up of -segcients with pblyethelene and place inside the shipping/burial

  • container.

P79*SG 51 Note:

Each shipping/burial container should hold

  • a*pproximately.three -(3) racks* after they have been cut up.

VI

I. PROCEDURE

PHASE II

{Cont'd)

l.

Rack Removal (Wracks 14,.11,12,9,8,6,3). (Cont'd).

M.

Repeat the steps E through M for a11-of the racks to be removed.

Note:

At no time shall any r~ck be moved horizontally in the pool until it.is lowered to approximately six (6) inches off the pool floor *

. 2~*

Pool Preparation of Rack Installation

.A A.

Repeat steps VI.3.A through VI.3.V for racks A-11, A-12, A-8 I A-9 I A-4, A-5,' A-6 I *A-1, A-3, A-2.

3 *. Unloading. and.Uper:idfng of Rack Modules.*

A.

Repeat VI.4 for all racks to **be installed.

  • * ** 4. *.. Cleariihg *of* Racks A.

Repeat VI.5 for all racks to *be installed.

5 *.

  • Installation of Remaining* Racks A. -* Installation of the_ **remaining. racks shall be l.n the

!ollowing order -

A-11, A-12, A-8, A-9, A-4,*A-5, A-6, A~li and A~3, a~d A-2.

  • a~
  • _ Repeat. steps* VI* *BB -*through VI 8 ~ V for each rack *in
  • the* order-established* in 5.A above *. Each rack shall P79 56 54 be first lowered into the pool in* the A~.2 location and then. carefully moved horizontally to the* appropri-ate location.
  • The lower grids of* adjacent racks should barely *ma*ke contact.
e.

VI

I. PROCEDURE

- PHASE II (Cont'd)

6.

Install~tion of Rack I~terties A.

Utilizing special t~ols, make templates and identify for each rack intertie position as shoW'n *on Exxon Nuclear Drawing No. XN-NS-D-044.

B.

Forward the templates to the rack Fabricator's representative for finalization of the intertie blanks.

c.*

Ut.i_lclzing the rem.ote leveling tool; check -the south upper* grid of Rack A-10, the north upper grid* of Rack

    • A-7, th~ west up~er grid of Rack A-10 and the ea~t D.

upper grid of Rack A-ii; for levelri~ss of the re~pective

. grids.

If acceptable, proceed* to Step GD; if. not, see Note *after Step 6-1.

Uti-lizing the long-extension handle with the adapter (shown on Exxon Nuclear Sketch NS-SK-047) attached, place the far eastern intertie between Rack.A-10 and Rack* A-7 into position as shown o-n Exxon. Nuclear Drawing XN~NS-D-044.

E.

Lubricate four (4) of.the rack intertie connecting bolts with *NeoLube*. or ~equivalent.

P79 5G 53 VI

I. PROCEDURE

PHASE II (Cont'd) 6~

Installation of Rack Interties (Cont'd)

F.

Install the four (4) bolts, from Step 6-E, utilizing

.the second long-extensin handle.with the remo~e socket (shown on Exxon Nuclear Sketch NS-SK-074).

G.

Remove the special tool used in Step 6-b, by turning counterclockwise until it is free from the rack intertie.

H.

Totque the four (4) bolts (installed in St~p 6-F).

to 100 ft lbs + 5 ft *lbs.

I.

Record the date on Work Sheet No. 9.

NOTE:

NOTE:

If it is not within l/32*, determine the thick-ness of. the stainless* S*teel shims required to level the rack intertie. *Place the reqGired shim on the bottom of the rack intertie, being careful to align the shim,With th~ intertie holes.

Using a qualified welder.and procedure, tack-weld the two together by placing a tack-weld at the center of the inside joint.

  • Such welds s.hall be visually. inspected.

Rinse the special tools, -with demineralized water, each time, as they are removed from.

the spent ~u~l pool.*

J.

Repeat. Steps 6-D through 6-I to complete Rack A-10 intertie installation.

P79 56 5*4 e

VI

I. PROCEDURE

PHASE II * {Cont'd)

6.

Installation of Rack Interties (Cont'd)

K.

Repeat Steps 6-C through. 6-I for the balance of the tack inter ties.*

7.

Installation of Wall Arm Restraints A.

Utilizing special tools (shown on Exxon Nuclear Sketch

~S-SK-102) lower the north east wall arm restraint (in B.

. ~ eompressed configuration} of Rack A-10 into position as shown on Exxon.Nuclear Drawing XN-NS-D-044 and XN-NS-D-047, Sheet 2.

(Use underwater television if required.).

Turn the lo.ng.... extensio*n handle one* (1). turn counter-clo'ckwi se.

c.
  • Check to see if the wall arm resti;-aint *.is touching the pool ~all*liner.

~f no contact has been made turn *clockwise. on the long-extension handle until

~light contact is make. * (Use undetwater television if required.).

D.

.Turn the long-.extension hand.le-clockwise,* u.nt11 it

  • is hand. tight.

',....E.

.Li ft* the long-extension handle and attached wall arm restraint out-11nd onto the ope-rating floor.

  • NOTE:

P79 56*55 Ritise the special tools, with deminerallzed water,.each tirne,**as th~y are removed from the spent fuel*po61..

VI

I. PROCEDURE

PHASE II

{Cont'd)

7.

Installa~ion of Wall Arm Restraints (Cont'd)

F.

Measure the overall.length of restraint~

G.

  • Record data on Work Sheet No. 10.
  • H.

Subtract* thermal gap, as shown on Exxon Nuclear Drawing: No. XN-NS-D-044, from this measurement and record.on line 2 of Work Sheet No. 10.

I.

Turn the long_-extension handle counter;_clockwi se, until it is fr~e-of the wall.arm restraint.

J.

Disassemble the wall arm restraint and remove the spring.

K.:

Reassemble the wall arm restraint to the sam.e exact length as shown on Line 2 from Work Sheet No. 10. -.

L.

Using a qualified<welder. and procedure, weld the two (2) se*ctlons* together* as shown on Exxon Nuclear Drawing No *. XN-NS-D-047, Sheet 'No. l. *sucti we.lds

~hall be visu~lly irispeeted.

P'/9 5G 56..

VI

I. PROCEDURE

- PHASE II (Cont'd)

7.

Installation of Wall Arm Restraints (Cont'd)

M.

Utilizing the special* tool from Step 7-A, lift and position the wall arm restraint 6n the northeast corner of Rack A~lO.

(Use underwater television if required.)

N.

Tµrn the long-extension handle counter-clockwi~e until it is free from the wall arm restraint.

O.

Remove the long-extension handle from the pool.

NOTE:

.Rinse the special tools, with dgminer~lized w*ter, each tim~, as they are rem6ved from the spent fuel pool.

P.

Repeat Steps 7-A through 7-0 for each. of the 39 remai-ning wall arm restr.aints shown on Exxon Nuclear Drawing XN~NS-D-04 4.

8.

Installation of Frame *Extensions*

A.

Utilizing special tools lower the*frameextension on rack A--12.as shown on Exxon Drawing XN-NS-044.

B~

Bblt the extension onto rack A-12 using.special tools supplied by Exxon Nuclear.

c.

Repeat BA and BB for racks A-10; A-11, A-1, A-2, and P79 56 57 VI

I. PROCEDURE

PHASE II (Cont'd}

9.

Clean-Up A.

~emove all hand tools and other equipment from the spent fuel pool.

B.

Remove* all excess material from the operating *floor.

  • C.

Return work area to an o~erating config~ration.

D.

Record Steps 8-A through 8-C on Work Sheet No. 11.

  • 91!-'

P79 56 58 VIII APPENDIX Sketch. A -

Foot Int~rfe~ence Plate for Racks A-1, A-2 and A-3 Sketch B - Foot*Interference Plate for Racks A-7, A-8 and A-9 Sketch C Foot Interference* Plate for Racks A-10,- and A-11 Sketch D - Existing Spent Fuel Pool*Arrangetnent* -

Numbering Sequence*

  • ~Sketch E -

New Spent Fuel.Pool Arrangement.-* Numbering Sequence Work Sheet No. 1 Work Sheet No. 2 -

Location of Benchmarks Work Sheet.No. 3 - Positioning Templates Work Sheet No. 4 -.Seam Weld Location Work Sheet No. 5 Survey Results Work Sheet No. 6 - Rack Cleanliness Work Sh~et No. 7

  • Work* Sheet No. 8 Work Sheet No. 9 Work Sheet No. 10 Work Sheet No. 11 - Cleanup

. Work Sheet No. 12 - Sump Pedestal Installation.

P79 88 24

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WORK SHEET NO. 1 PHASE ONE Inspected By: ~~~~~~~~~~-

QC Engineer

.PHASE TWO Inspected By: ~~~_..;.....~~~~---~-

QC Engineer

--~

  • e P"79 56 G3
  • e WORR SHEET NO. 2 LOCATION OF BENCHMARKS

. "*i,

PHASE ONE Inspected-By: ~~~~~~~~~~-

  • oc Engineer PHASE TWO Inspected.By:

~~~~~~~~~~-

QC Engineer*

P79 56 G4

. WORK SHEET NO. 3 POSITIONING TEM~LATES

  • RACK NO. A-12 Verified By:

.RACK NO. A-11 Verified By:

e RACK NO. A-10

  • verified By:

RACK* NO. A-9 Verified By:

RACK NO. A-8 Verified By:

RACK NO. A.;.7 Verified By:

RACK NO. A-6 Verified By:

RACK.NO. A:..5 Verified By.:

RACK NO *. A-4

  • Verified By:

RACK NO. A-3 Verified By:

RACK NO. A-2.

Verified By:

RACK~l:O. A-1 Verified By:

'JI'_;,;

e P79 SG 65

r--

1 I.

I I

I 1**.e e

RACK NO. A-12 RACK NO. A-11 RACK NO. A-,10 RACK NO. A-9 RACK NO. A-8 RACK NO. A-7 RACK NO. A-6 RACK NO. A-5 RACK NO. *A-4 RACK NO. A-3 RACK NO~ A-2 RACK NO. A-1

  • .::Jllr.=.

P 'l9 55 GG WORK SHEET NO. 4 SEAM WELD LOCATION Verified By:

Verified By:

. Verified By:

Verified By:

.Verified By:

Verified By:

Verified By:

Verified By:

Verified By:.

Verified By:

Verified By:

Verified By:

e WORK SHEET NO. 5 SURVEY RESULTS

-.e N 1

3 6

4 2

5 7

RACK POSITIONS A-12 1

2

, 3

, 4

, 5

, 6

, 7 A-11 l

, 2 3

, 4

, 5

, 6 7

A-10 l

, 2

, 3

,. 4 I

5 6

I 7 A-9 l

, 2

, 3 I

4

, 5

, 6 7

A-8 1

2

, 3 4

' 5 I

6

, 7 A-~

l I

2 3

4 5

, 6 I

7 A-1 l

, 2 I

3

, 4

, 5

, 6

, 7 A--

l

, 2

r. 3

, 4 f 5

, 6 I

7 A-5 l

I 2

, 3

, 4 5

, 6

, 7 A-4 1

, 2 I

3

, 4

, 5 6

I 7

A-3 l

, 2

'* 3 I 4 5

6 7

!A-2 1

I 2

3

, 4

, 5 6

, 7 iA-1 1

, 2

, 3

, 4 I

5 6

, 7 P79 56 67

WORK SHEET NO. 6 RAC~ CLEANLINESS RACK NO. A-12 Verified By:

e RACK NO. A-11 VeriLied By:

RACK NO. A-10 Verified By:

RACK NO. A-9 verified By:

RACK NO. A-8 Verified By:

RACK NO~ A-7 Verified By:

RACK NO. A-6 Verified By:

RACK NO. A-5 Verified By:

RACK. NO. A-4 Verified By.:

RACK NO. A-3 Verified By:

RACK NO. A-2 Verified By:

RA?l'< NO. A-1 Verified By:

--~

  • e

~

p'?q SG 68

WORK SHEET NO. 7 (Cont'd*) (Sheet 2 of 3)

VERTICAL e

2 0

Rack FR.. Field Re ad ing Module VR 11: Vendor Reading Borizontal 4

,j Vertical Rack A-6 Rack A-5 Rack A-4

l.

Fh VF<.

2.

FF.

VF.

3.

f K Vk

4.

FR VR

e.

Data Tai\\ en b }' :

.Eng.

Eng.*

Eng.

Data Verif ie:: by:

Oc QC QC Rack A-3 Rack A-2 Rack A-1*

l.

FR VH

2.. FR VR
3.

FR VR

'4.

FR VR Data Taken by:

Eng.

Eng.

Eng.

Data Verified by:

  • QC QC QC P79 56 72

WORK SHEET NO. 7 (Continued) (Sheet 3 of 3*)

HORIZONTAL RACK ~O. A-12 Position l

.Verified By:

QC

. Position 2 Verified By:

QC RACK NO. A-11 Position 1

  • Verified By:

QC Position 2 verified By:

e QC RACK NO *. A-10 Position l

.Verified By:

QC Position 2

  • Vf! r if i ed By:

QC RACK NO. A-7 Position l Verified By:

QC Position 2 Verified By:

QC RACK NO. A-4 Position l Verified By:

QC Position 2 Verified By:

QC RACK NO. A-.l

  • Position l Verified By:

. QC Position 2 Verified By:

QC P79 56 73

~:1) e WORK SHEET NO. 8 Rack A-12 Rack A-11 Rack A-10 Bolts Torqued to Bolts Torqued to Bolts Torqued to ft. lbs.

ft. lbs.

ft. lbs.

Verified By:

QC QC QC Rack A-9 Rack A-8 Rack 'A-7 Bolts Torqued to Bolts Torquea* to Bolts Torqued to.

ft. lbs.

ft. lbs.

ft. lbs.

Verified By:

QC QC QC Rack A-6 Rack A-5 Rack A-4

  • e Bolts Torqued to
  • Bo l.ts Torqued to Bolts Torqued to ft. lbs.
  • ft. lbs.

ft. lbs.*

Verified By:

QC QC QC Rack A-3 Rack J\\-2*

Rack J\\-1 Bolts Torqued to Bolts Torqued to Bolts Torqued to ft. lbs.

ft. lbs.

ft. lbs.

Verified By:

QC QC QC

~

~

P79 56 72

~.

WORK SHEET NO. 9 Verified By:

Rack A-10 Intertie bolts torqued to 100 ft.

lbs. + 5 ft. lbs.

QC Rack A-7 Intertie bolts torqued to 100 ft.

lbs. + 5 ft. lbs.

Rack A-1 Intertie bolts

  • torqued to 100 ft.

lbs. + 5 ft. lbs.

Verified By:

QC

~.-

P79 56 73 Ra ck "1-11 lntertie bolts torqued to 100 ft.

lbs. + 5 ft. lbs.

QC Rack A-8 Intertie bolts*

torqued to 100 ft.

lbs. + 5 ft. lbs.

QC Rack A-5 Intertie bolts torqued to 100 ft~

lbs. + s*tt. *1bs.

Rack A~2 Intertie bolts torqued to 100 ft.

lbs. + 5 ft. lbs.

  • ... ~-*-*

Rack A-12 Intertie bolts torqued to 100 ft.

lbs. + 5 ft. lbs.

QC Rack A-9 Intertie bolts torqued to 100 ft.

lbs. 4 5 ft. lbs.

QC Ra ck A.-6 Intertie bolts torqued to 100 ft.

lbs. + 5 ft. lbs.

QC Rack A-3 Intertie bolts torqued to 100 ft.

lbs. + 5 ft. lbs.

QC

\\-* ~-,,..

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'~

e WORK SHEET NO. 10 (Sheet 1 of 2) 1 2

3 l

Rack 1

2 Module 2 -

N 3

3 l

2 3

Rack A-1. 1.

2.
3.

Rack A-2

1.
2.
3.

Thermal Gap Thermal Gap Results

- Results Verified By:. QC Verified By:

QC Rack A-3

1.
2.
3.

Rack A-10 1.

2.
3.

-Thermal Gap Thermal Gap**

Results Results Verified By:

QC Verified-By:

QC

_Rack A-11 1.

2.
3.

Rack A-12 1.

2 *.

3.

Thermal Gap Thermal Gap Results Results Verified By:

QC Verified By:

QC Rack A-1

1.
2.
3.

Rack A-4

1.
2.
3.

Thermal Gap Thermal Gap Results Results (2)

Verified By:

QC Verified By:. QC P79 56 25

I

'°:\\.......

)

WORK SHEET NO. 10 (Sheet 2 of 2) l 2

3 1

Rack l

2 Module 2

N 3

3 1

2 3

Rack A-7 l."

2.
3.

Rack A-10 1.

2.
3.

Thermal Gap Thermal Gap Results Results Verified By:

QC Verified By:

QC Rack A-3

1.
2.
3.

Rack A-:-6

1.
2.
3.

9'1'hermal Gap Thermal Gap Results Results Verified By:

QC Verified By:

QC Rack A-9

1.
2.
3.

Rack A-12 1.

2.
3.

The rma 1 Gap Thermal Gap ---

Results Results Verified By:

QC Verified By:

QC ----------

P79 56 25/26

i.:_:. u r,.

'*.~

I.

e.

Step B

c Q' *.

- -... ~'*.

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P7Sl S6 62 WORK SHEET NO. 11 CLEANUP Completed Initial Date

WORK SHEET NO. 12 SUMP PEDESTAL INSTALLATION INSPECTED BY ~~~~~~~~

Q C Engineer P79 56 63

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