Text

Rev 6 to Mechanical Rept Spent Fuel Storage Racks
	ML20205C435
Person / Time
Site:	South Texas
Issue date:	10/13/1988
From:	Linder R, Stokey W; U.S. TOOL & DIE, INC.
To:	;
Shared Package
ML20205B783	List: ML20205B997; ML20205C402; ML20205C435; ML20266C885; ML20266C888; ST-HL-AE-2817, Forwards Revised Us Tool & Die,Inc Documents Re Revised Spacing of High Density Spent Fuel Storage Racks from 0 Gap to 1 Inch,Per 880929 Commitment.W/Two Oversize Drawings;
References
	NUDOCS 8810260487
	Download: ML20205C435 (6)
	v • d • e

.

TELEPHONE (41C)407 7030

(_ us U. S. TQQL & DIE, INC.

4030 ROUTE 8 e ALLISONPARK PENNSYLVANIA 15101 MECHANICAL REPORT SPENT FUEL STORAGE RACKS FOR SOUTH TEXAS PROJECT - UNITS 1 & 2 HOUSTON LIGHTING & POWER COMPANY 8709-00-0120 PREPAPID FOR BECHT2L ENERGY CORPORATION vi g DG 1;OUSTON, TEXAS MJT ,;' , ',

3F239NS10C1 , T'* . '- -

NOVEMBER, 1987 R SW 6 .u g - ,

OCTOBER 13. 1988 IEL5 L:i I (Not a Design Change) xi ,~

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f9g7 PREPARED BY ./ r /J </r DATE (([/6,[$ 7 (Not a Desig g/yTV Change)

REVIEWED BY _ [M M aa [ /Nd/tu DATE //!/M/7, h/ Yst /2b4l$f

,, APPROVED BY

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( J)a., WMa/ r .

DATE _ ////7 d 7_

REVISION 2 48-ty Manag g of Engincenng JANUARY 25, 1 88 (Not a Design Chg) APPROVED "" y -F -

DATE ////7/82 Q f, ,py/,, aM M ance Y.anagu REV SION 3 REVISION 4 '3 REVISION 5 t//f/M FEBRUARY 25, 1. 8 8 ,4)//:*/MARCH 8, 1 88 MAY 31, 1988 -'

(Not a Design ' J) .

(Not a Design Chg)

V u ll. l .. .[bg k j $ $ , .3 5'(r,9

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fW l' 83102[0497831014 '# '

FDR ADOCK 050 0498 P PDC

Revision 6 October 13, 1988 l

1. SUBSECTION 2.7 EDITORIAL

2. FIGURE 2.2 E0!TORIAL

3. PAGE 4H-7 EDITORI AL 4 PAGE A-3 EDITORIAL r

I 1

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x, Plan MWssrY SPCMTRACL 3MGE wacks 9%

SOUTH TExA s P w o) E C T, UN t T_ S 1 4 2 N HOVS72W L1GHrrstG + PowsM CMPANY 5 <

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(244 Y52') I:

2.A IE Poet ouruxE

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y -4 o ,, O REDON l EA. ST09M6E = 288_ ?

PEGrohl 2 RA. STOMGE =16 8 i ~PJO G;WSOUMT!CN S70sesGE = 3362 $3 O EA. STokAG E= 1969 a-L 'elu/sa k 9 ha p (The rack-to-wall gaps shown on this figure and used in the.. %p g analysis are greater than the actual installation dimensions. 6 y8 -

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Therefore, tha calculated ...drodynamic coupling forces are US,7ML /B/E, /dC. 4 E" smaller than those forces actua?ly experienced by the racks.) FIGURE 2.2 O

4 . .

2.7 GENERAL DESCRIPTION \ ;

i

'- The spent fuel storage for South Texas Project (Units 1 '

and 2) consists of 20 free standing racks, six (6) in Region 1 and fourteen (14) in Region 2. The rack array in the spent fuel pool is shown in Figure 2.2. / bg The biggest 132-cell rack is in Region 2 and is analyzed for 2:1 rod consolidation which results in the largest loads. The '

jdf( smallest 48-cell rack is in Region 1 and is analyzed only for dry new fuel storage.

The pool layout of high density fuel storage and box dimensions are all in agreement with the Criticality Analysis (Ref. 03). '

Region 1 racks are designed with removable poison.

Region 2 racks consist of poison wall design.

Each rack is provided with four corner pedestals welded to the bottom of the rack. These pedestals transmit the rack weight and the Vertical Seismic Loads to the pool floor.

l Refer to Figures 2.4 and 2.6.

a

. i 4

(2.0-8)

TABLE 68.1, Pcte 7 p3 4 M ~T

' g , pp ocr~'SET f 4: MAllMUM 60RCLS C A PEDESTAL. (155)

~'

VERTICAL 6] ~

HOR 120mT Al.

(Fvf/2) (Fht/2)

NS - Ont. 51022 46420 6 9 - unr. 87407 70055 Y - ott !!9594 0 Suss 263265 84039 NS - SSE 96277 86615 FV - SSE 273152 112445 V - SSE 167431 0 SMSS 441129 141937 Init

490460 LB EIF PACE 6-3a SF = 64087 LB SWT = 426373 LB MAXIMUM FRICTION FORCES (LB) 0 0.2 FACTOR NS - OBE 85270 EW - CBE 85270 NS - $$E 85270 EW - SSE 85270

*

S ET f 4 VALU ES ARE RALF S ET # 3 VALU ES . l SET #5 McVintNT AT hest (Isshes) 5.AstlC (sed 8LIDIns) SLitius LIFTo(F (DISPLAcsseBT) (FRICTIW) (VttTICAL)

NS - OBE 0.1786 .1803 0.0 W - OBE 0.3494 .1505 0.0 MS SSE 0.3197 .9638 0,0 EW - SSJ 0.5609 .4644 o,g3to ALLOWABLE DISPLActMENT

= 5 (OBE) + 1 (SSE)

= 5 (.1803) + 1 (.9638)

" = 1.8653" 4 4", VHICH IS THE MINIHL'M CAP AT NORTH END, BETWEEN THE P001. i AND THE RACK.

I i

l

REGION 1, 48-CELL. DRY FUEL STORAGE dt VF/AA

..I'

TAbtE 7.1 (c:nt) LENGTH e 201.3125" g; 800 SET #4: HAXIMUH FORCES ON A PEDESTAL (LBS) A < > .* e. , f.,

VERTICAL HORIZONTAL (FVT/2) (FhZ/2)

NS - OBE 32375 12265 Ek - OBE 31525 17850 V - 08E 27900 0 SRSS 81735 21658 NS - SSE 42580 25395 EW - SSE 52775 32550 V - SSE 39060 0 SRSS 106871 41285 SET f5: MOVEMENT AT BASE (inches)

I ELASTIC (NON-SLIDING) SLIDING LIFTOFF (DISPLACEMENT) (FRICTION) (VERTICAL)

US - OBE 0.02649 1.1400 0.0051 i EV - OBE 0.03869 0.4743 0.0083 i

NS - $$E 0.05483 0.7338 0.0739 EW - $3C 0.07055 0.5315 0.1504 i

MAXINUM FRICTION FORCES (LB) USING 0.4 FACTOR NS - 08E 22890 EW - Ott 22890 NS - SSE 27140 EW - $$E 26660 DWT = 114463 LB KEF: SECTION 7, PAGE 8 BF = N/A SWT = N/A ALLOWA8tt DISPLACEMENT 5 (OBE) + 1 (SSE) 5 (1.14) + 1 (0.7338) 6.4338" MAX SLIDING DISP.(24" MIN!MllM RACK-TO RACK CAP IN THE PHASE I INS

' NOTE:

OBE and SSE sliding displacement variations result fro inherent in the system being analyzed. m non-linearities

-A3-

ML20205C435

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