Text

Rev 5 to Allowable Design Pressures for Various Branch Connection Configurations to Be Used in ASME Section III Class 1 Piping of Catawba Nuclear Power Station
	ML20069G932
Person / Time
Site:	Catawba
Issue date:	02/24/1982
From:	; EDS NUCLEAR, INC.
To:	;
Shared Package
ML20069G907	List: ML20069G905; ML20069G932; ML20069G965; ML20069H002;
References
	PAD-77-118, NUDOCS 8303280204
	Download: ML20069G932 (19)
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_ _ _ _ _.

8" 4

SPECIFICATION NO.: Cf!S-1206.00-02-1002 2/20/75 REVISION 23,(5/28/81)

Page 1 of 19 b

5' Ip 5

a; f,

Allowable Design Pressures j.

for Various Branch Connection Configurations to be used in the k

j ASME Section III Class 1 Piping i

of the CATAWBA Nuclear Pbwer Station j

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L.

1 Prepared for: DUKE POWER COMPANY

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Prepared by: EDS NUCLEAR INC.

August,1977 9 f fi Ip-f.

f-i EDS Report No. PAD-77-118 L'

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PDR

SPECIFICATION NO.: CNS-1206.00-02-1002 h'

2/20/75 h

REVISION 23,(5/28/01) e t

Paga 2 of 19 N

[l IDS NUCLEAR INC.

REPORT APPROVAL COVER SHEET b

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Client:

Duke Pbwer Company Prcject:

- Catawba Nuclear Plant Job Number: 0930910 p

i Report

Title:

Allowable Design Pressures for Various Branch Connection Configurations I

to be used in the ASME Section III Class 1 Piping of the Catawba Nuclear

[-

Report Number:

PAD-77-118 Rev.

S Power Station

(}

m work described in this Report was performed in accordance with the EDS Nuclear h,

Quality Assurance Program. The signatures below verify the accuracy of this Report

[-

and its compliance with applicable quality assurance requirements.

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Prepared By:

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Date: 0[@0h7 f~i y

I i-Reviewed By: /I8e/b/M Date: A,,/ssn>7 I

y-s Approved By:

<2 Date: M:r. tor 3/ /777

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REVISION RECORD f

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Rev.

Approval r

i No.

Prepared Reviewed Approved Date Revision hM

[IdN 11/30/77 revised tables I

.dka i Ybf

'h 2/10/75 misc. revisions L

2 3

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3/22/78 mise. revisions 4

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9/10/81 expanded f

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tables

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2/24/82 report certification i

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~ SPECIFICATION NO.: CNS-1206.00-02-1002 RECORD OF REVISIONS 2/20/75

{

REVISION 23,(5/28/81)

P, age 3 of 19 Revision 1

)

Revised tables to reflect nominal dimensions and deleted Special Weldirg Bosses

[.

where the run pipe wall thickness and/or nominal pipe size are below values shown E

on MDG-ES-2.

Revision 2 l

Revision includes the following items:

[

t a.

Tables have been revised to show the design pressures for the SWE being used on 8" run pipe which is permitted by MDG-ES-2.

b.

Tables have been revised to include notes which define the reasons for not

[

' including certain components.

l c.

Example 2 revised to be consistent with the exclusions noted.

d.

Page numbers have been added to the text and tables.

[

j Revision.

i

~

Revision includes the following items:

k.

a.

Table 2 has been revised to include the pressure values for the following in addition to the values already showm h

(

f 1)

SWB fLttings for zun pipe sizes of 4", 5", and 6" and branch pipe i

sizes of 3/4" through 2".

L 2)

SWFOB fittings with run pipe sizes of 4" through 14" and I" branch pipe size.

3)

SWIOB fittings with run pipe sizes of 4" through 6" and 3/4" branch F-

pipe, e

b.

Summary tables have been added to include the required r values for 2

1,500 PS1 pressure.

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SPECIFICATIONNO.: CNS-1206.00-02-1002 RECORD OF REVISIONS

/

,o 2/20/75

_i; REVISION 23,(5/28/81)

Page 4 of 19 f

i J

~ Revision 4 y

1 j

Revision includes the following items:

i

'a Tables 1, 2 and 3 have been expanded to include a 1" l, ' '.

special welding flow orifice boss attached to a 3" 7,.,'

.-SCH 160 pipe.

This fitting initially didn't appear

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.., /

r -

'. in the tables because of insufficient run pipe thi.ek-

,, noss, a requirement due to fabricability (see Page 2

-4 of this report, Page 8 and Appendix B of EDS Report No. PAD-77-ll7).

Since Duke assured EDS that this

' ~ "

!gb _

fittincj combination is fabricable there is no longer a restriction on run pipe thickness for the 1" SWFOB j'

on the 3" SCH 160 pipe.

Revision 5 a.

Revision includes the addition of the ASME Code Certification page and renumbering of all pages in the report.

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-- SPECIFICATION NO.: CNS-1206.00-02-1002 2/20/75 REVISION 23,(5/28/81)

Page 5 of 19 O

CERTIFICATION The undersigned, a registered Professional Engineer, competent in the field of piping stress analysis, i

certifies that to the bestt of his knowledge and belief the analysis calculations for the subject components as presented in this report comply with the requirements of the applicable portions of the ASME Boiler and Pressure Vessel Code,Section III, Nuclear Power Plant Components.

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Date State of Georgia Registration No.:

12510 o

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SPECIFICATION NO.: CNS-1206.00-02-1002 2/20/75 t

REVISION 23,(5/28/81) l Page 6 of 19 i

Explanatory Notes De piping design criteria of the ASME Boller and Pressure Vessel Code,Section III, Nuclear Power Plant Class 1 Components requires that design for pressde loading be performed in accordance with the rules of subarticle NB-3640.

Paragraph NB-3643 sets forth area reinforcement rules, involving calculations, which guarantee the stress litit requirements of NB-3640 are satisfied for branch connections that meet the configurational requirements of the rules. Additionally, paragraph NB-3686 sets forth more restrictive configurational requirements in

^

order for the stress indices of paragraph NB-3686 to be appitcable to the branch The allowable pressure values, for various branch connections, con-connection.

tained herein are based upon the requirements of NB-3643 and as modified by NB-3686. The version of the Code used is the 1974 Edition with addenda through summer of 1974, which is the code of record for the Catawba Nuclear Power The 11tting configurat!ons used to construct the branch connections Station.

considered are presented in Figures 1, 2, and 3. It should be noted that the h

Ilmits set forth in Figure 2 for Special Welding Boss branch connection configur-ations have been included in estabitshing the values contained herein. The restriction on thickness of run pipe is related to fabricability. While similar restrictions must apply to half coupling and special welding flow orifice boss branch connections, they are not noted in the Figures or contained in the values Therefore, it is the responsiblitty of the designer to verify presented herein.

the combination of fitting and run pipe is fabricable.

Documentation and certification of the pressure values contained in the tables is presented in EDS Nuclear report FAD-77-117.

Use of Tables Each table is for a given design temperature and run, branch, and The fitting material combination which is presented at the top of the table.

i table is composed of a matrix of maximum allowable pressure for a given O

4 9

1

SPECIFICATION NO.: CNS-1206.00-02-1002 2/20/75

{

REVISION 23,(5/28/81)

Page 7 of 19 run pipe to branch pipe size with fitting type as a subparameter. Along the left hand side of the table are listed the ten run pipe sizes and associated schedule considered. The allowable pressure for each run pipe is also !!sted and may be used to estabitsh what controls the branch connection (fttting, run, or branch) a110wable pressures. The branch pipe size, associated schedule, and allowable pressure are listed along the top row. From the tables it should be noted that the branch pipe never controls the branch connection allowable pressure, the run pipe is always controling for the special welding flow orifice boss branch connection, end the smaller the run pipe, the more Ilkely that the run pipe con-trols.

While the tables contained within are for various temperatures to account

. A,r different allowable stress values, those branch connection configurations which have the same run and fitting stress allowable can be used to determine allowable pressures by taking the ratto of the new allowable stress to the stress allowable at the top of the table times the pressure in the matrix.

Examples h

1)

A 2 inch-6000# half coupilng on a 14 inch run p!pe at 600 F requires a 2400 ps! design pressure. From the 600 F table, the 2 inch-6000# half coupilng fitting is rated for 2360 ps! which is less than the required design pressure. Since the 6000# half coup 1tng results in an unacceptable design, an alternate design must be used. The 2 inch-SWB is rated at 2550 psi which means it is acceptable for use at the design pressure required.

2)

A 1 inch-SWB on a 8 inch run pipe at 700 F requires a 2400 ps! design pressure. From the appropriate table, the 1 inch-SWB is rated for 3160 ps! which l

makes the configuration acceptable. The table also indicates the 1 inch-6000# half coupilng is acceptable since it is rated at 2970 pst versus the 2400 ps! design pres-sure.

3)

A 3/4 inch-6000# half coupilng on a 14 inch run pipe at 650 F requires I

a2650 pst design pressure. From the table, the 3/4 inch half coupling is rated at 2550 pst and the 3/4 Inch-MVB is rated at 2630 ps!. Both fittings are unacceptable s

designs.

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6000# IIALF-COUPLING m

SIZE (Inches) 3/4" 1"

1-1/4" 1-1/2" 2"

4

(

A - length, End to End 1.500 1.625 1.750 1.750 2.250 - nominal k

C - Dottom of Socket to Opp. End 878 1.045 1.108 1.170 1.545 - minimum

, = ~ u.

D - Depth of Socket

.500

.625 - minimum agha

GRO E - Diameter 1.541 1.875 2.221 2.529 3.154 - minimum mgg -

t o :z: n F - Ibre for O.D. of Pipe 1.070 1.335 1.680 1.920 2.411 - nominal

-*w II - Diameter of Bore

.629

.830 1.175 1.353 1.704 - maximum E

G :-

T - Thickness

.456.

. 523

.523

.588

.725 - minimum b P R

i

Reference:

ANSI B16.11 -1973 m,

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Figure 1 6000# IIALF-COUPLING Y

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SPECIAL WELDING BOSS (SWB) (nominal dimensions)

N. P. S.

A B

C D

E F

G H

f]

K 4

+0.032"

+0.005"

+0. 032"

+0.032"

+ 0. 032" + 0. 032"

+0. 032"

+0. 065" 40.032" o :o to vi 1/2" 1.500 0.860 0.438 0.313 0.750 0.500 1.375 0.188 0.438 0.750 E GDA,

GRC 3/4" 1.750 1.070 0.594 0.469 0.813 0.563 1.500 0.188 0.484 0.828 mga O 2:

n 1"

2.250 1.335 0.781 0.656 0.875 0.625 1.750 0.250 0.609 0.891 h

w 1 -1/4" 2.500 1.670 1.156 1.031 1.000 0.688 1.875 0.250 0.563 1.063 E

1 -1/2" 3.000 1.920 1.328 1.203 1.000 0.750 2.000 0.250 0.703 1.047

.5 h

2" 3.625 2.411 1.688 1.563 1.250 0.875 2.500 0.250 0.781 1.469 r

Reference:

Duke Ibwer Company Engineering Standards MDG-ES-2 Rev. O and MDG-ES-3 Rev.1 Figure 2 SPECIAL WELDING BOSS (SWB)

.58

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SPECIFICATION NO.: CNS-1206.00-02-1002 2/20/75 REVISION 23,(5/28/81)

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st1Q071MELWFbtU.: L%NRVFMM 2/20/75 REVISION 23,(5/28/81)

Page 11 of 19 Notan Applicable to BrRnch Connaction Tables h

(1)

No such fitting exists for this piping configuration.

(2)

Special Welding Boss (SWB) not permitted per MDG-ES-2.

(3)

Combination not included in original proposed work effort.

(4)

It is the responsibility of Duke Power Company to insure that fabrication requirements'of the ASME Boiler & Pressure Vessel Code, 1974 Edition,Section III, Division I, Subsection NB-3686.1

'b' through

'h' are met.

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A ICAllLE MATERIALS TABIZ 1 1

Fitting:

SA 182 P304

.g.EMPER AWR E-600"F Piping:

SA 376 TP301; SA 312 TP304; SA 376 TP316 MI"I"'"* All wable Stress (Sm) : 16,400

. Corrosion Allowance 0.0 RUN PIPE FITnNC DRANCII PIPE - Size, Schedule, arvi Allowable Pressure (psi)

Allowable (See F aree Size & Schcalute Pressure 1, 2, a vi 3)

(psi) 7570 6970 6290 4830

'4730 4610 2 In. Scli 160 4610 60001111C

('l) 4610 Nil NR NR NR 2} ln. Sch 160 4120 6000lillC (3) 4120 4120 NR NR NR 3 in. Scli 160

'3930 6000llllC (3) 3930 3930 3670 Nil Nil 2500 SWFOB 2500 4 In. Scli 160 3690 60001111C (3) 3690 3640 3330 3380 NR SWil (2)

(2)

(2) s (2)

(2)

.. NR g

SWFOll (1)

(2)

(1)

(1) o S In. Sch 160 3500 60001111C (3) 3440 3390 3110 3120 3210 SWil (2)

(2)

(2) y SWFOli (1)

(2)

(1) in (1)

(1) 35 6 in. Sch 160 3360 60001111C (3) 3270 3220 2'960 2970 3010 y'

SWil (2)

(2)

(2) g SWFOR (1)

(21 (1)

(1)

F@,

S in. Sch 160 3250 6000llllC (3) 3120 3060 2840 2830 2840 M.

SWil 3250 3250 3250 3010 3150 3170 n.c S W F Ofl (1) 3250 (1)

(1)

(1) j".

10 in. Scli 140 2850 6000llllC (3) 2730 2680

2490

2480

2480 "5

SWil 2850 2840 2850 2630 2740

.2740 1

SWFOil (1) 2850 (1)

(1)

(1) 12 in. Scli 140 2700 60001111C (3) 2570 2520

2360

2340

'2340 c

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2470 2560 2550 "l

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(1)

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2390

2370

2300

's E :

SWil 2730 2680 2720

2490 2570 2550 E

m SWFOli (1) 2730 (1)

(1)

J9:

NR = Combination not recommeinled since mean radius railo wotild invalidate use of current code stress indices.

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l AplOAOLE MATERIALS TA a

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1 g 7

1; SA 312 TP304: SA 76 TP316 Cos os n Al w2 ce

.0 RUN PIPE lilTTING IIR ANCll PIPE - Size, Schedule, aiul Allowable Pressure (pst) 1/2 In.

3/4 in.

1 in.

1-1/4 in.

1-1/2 in.

2 in.

Allowable (Se res Size & Schedule Preusure 1, 2, ul3)

(psi) 7340 6760 6100 4680 4590 4470 2 in. Sch 160 4470 6000411C (3) 4470 Nil Nlt Nil NR 2lin. Sch 160 3990 6000#11C (3) 3990 3990 Nil NR Nlt 3 in. Seti 160 31110 6000NIIC (3) 3810 3810 3560 NR NR 2500 SIFOll 2500 4 in. Sch 160 3580 6000#11C (3) 3570 3530 3320 3270 NR SWil (2)

(2)

NR SWFOO (1)

(2)

(1)

(1) gw 5 in. Sch 160 3390 6000#110 (3) 3330 3180 3010 3020 3120 SWO (2)

(2)

SWFOO (1)

(21 (1)

(1)

[

6 In. Sch 160 l1260 6000#1IC (3) 3170 3120 2870 2870 2920 G

SWil (2)

(2)

(2) y SWFOli (1)

(2)

(1)

(1) y 8 In. Sch 160 3150 600001IC (3) 3020 2970 2750 2740 2750 SWI) 31ti0 31G0 3160 2020 3050 3070 g

i SWFOll (1) 31G0 (1)

(1)

(1) 3.*

10 in. Sch 140 2770 6000011C (3)

,2650 2600

'2420

2410

2410 [

SWil 2770 2750 2760 2550 2660 2660 0

SWFO11 (1) 2760 (1)

(1)

(1) 12 in. Sch 140 2610 6000011C (3)

'2490

2450

2280

2270

2260 SWil 2610 2530 2610

2400

2480

'2480 SWFOli (1) 2610 (1)

(1)

[

14 in. Sch 140 2650 6000911C (3) 2520

'2470

'2310

2300

'2280 SWil 2650 2600 2610

2410

'2490

'2480 SWFOli (1) 2650 (1)

(1)

(1) 1 Nil.,= Combinati m not recommended since inean radius ratio would invalidate use of etirrent code stress Indices.

g-

= These pre sures inay 1 incressed in 2500 psi If a r2 value given in Appendix 11 can be mel..

- - - = = = = - - - - - - - _ _ _. _

SPECIFICATION NO.: CNS-1206.00-02-1002 I

2/20/75' i

REVISION 23,(5/28/81)

Page 15 of 19 r,,

O Anmmary Tables of the Required r Values for the 2,500 PSI Pressure For easy reference purposes, tables 4 through 6 contain the required r2 values for 2,500 PSI pressure corresponding to the asterisk (*) marks as shown on tables 1, 2, and 3.

Each table is for a given design temper-ature.

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h 0

P c

1 1

1 0

S h

h h

5, h

c c

d S

S S

3 n

n a

a R

r n

n n

O B

e i

i i

z F

i j

5 2

)

l 2

j j

j 2

j S

l 1

1 l

l l

S 4

E OE UL e

L A

p C

C C

C 0

C C

B V

i I

l l

l I

l 1

l l

A P

I l

l l

I l

1 l

l 2

T r

gn 0

0 0

0 B

0 0

0.

W B

0 0

W 0

0 0

D i

0, 0,

S 0,

6, 0,

S t

E t

i R

F G

G G

I I U Q

ER F

0 0

0 O

m 0

0 0

3 4,

4, 4,

Y 6

6 G

6 6

G 6

G G

R 1

1 1

A

M i

l M

or US u

tar e

e p

p 0

0 0

i 0

0 0

P 6

0 G

6 6

6 G

6 6

e n

T ih t

'I l

e lu de 0

0 0

h 4

4 4

c 1

1 1

O S

h h

h d

c c

c n

S S

S a

e n

n n

z i

i i

iS 0

0 0

2 2

4 4

1 1

1 g

e

j D

w FI f

1 ;I i

$R REM 9d9$*.nEnbE*o?21$

M$$* E-k$DO 2' 3 ::

I O

2S rP

)

dMes 1

0 7

0 4

0 8

2 3

3 G

2 e

7 0

7 3

5 8

4 1

8 3

3 3

r 5, h i

c 6

7 G.

G.

3 3

3 8

3 4

4 8

u2 n 1

1 1

1 q

I e

(

R n

g iseD'#

e"I

)

0 0

6 0

0 0

i l

b"(S 4,

4, 4,

4, 3,.

3, 2

5 4

4 8

1 0

9

.3 4

3 1

4 E

a P

4, 3,

3, 3,

4, R

w U

o 2

2 2

2 5

l 8

l E

A RP e

l I

u S

e d

0 0

0 O

0 0

0 O

P p

e 6

G 6

6 6

G 6

1 6

6 6

G i

h t

0 P

c 1

1 1

I 1

1 1

1 0

S h

h h

h 5,

h c

c c

d S

S S

S 2

n n

a a

R r

n n

e i

i i

i 0

B z

j d

2 1

)

'2

}

)

2 j

1 iS l

I 1

1 1

l e

S 5

E OE JA I

~

o L

A p

C C

B V

i l

I I

l I

l l

I I

I A

P l

I I

l I

l l

I I

I 2

f f

B f

f B

T r

g 0

0 0

W 0

0 0

W D

n i

0, 0,

0, S

0, 0,

0, S

t E

t i

R F

G G

6 G

IUQ ER F

0 0

)g 0

0 0

0 O

ms 1

1 1

1 S p Y

(

G G

G 6

6 G

G 6

6 6

R 1

1 1

1 A

M M

e J

r R

u ta r

e ey p

pp 0

0 0

0 i

5 5

P mO(

6 G

6 6

G 6

6 6

G G

e m

T h

I i

e lu de 0

0 0

0 h

4 4

O c

1 1

S h

h h

h d

c c

n S

S S

S a

e n

n n

n z

i i

i S

0 0

0 2

2 2

4 4

1 1

y I:

l

,1

i

O O

O.

TABLE 6 RJMMARY OF REQUIRED r2 VALUES 10R 2,500 PSI PRESSURE I

j Ihan Pipe Fitting Pipe Draach P!pe Allowable Deelga Required rg.

ea e

Size and Schedule Temperature S

Sizo and Schedule i

m pg i

( F)

(PSI)

I

f. '

10 in. Sch 140 700 15,900 G,000# IIC 1.l in. Sch 160 2,420

.781

I 10 in. Sch 140 700 15,900 G,000# llc 1} in. Sch IGO 2,410

.80G 10 in. Sch 140 700 15,900 G,000#.IIC 2 in. Sch 160 2,410

.778 i

12 in. Sch 140 700 15,900 G,000# IIC 3/4 in. Sch 160 2,490

.567

[,

I 12 In. Sch 140 700' 15,900 G,000# IIC 1 in. Sch 160 2,450

.748 l5 12 in. Sch 140 700 15,900 G,000# llc llin. Sch 160 2,280 1.493 "R!G l

38R:

j 12 in. Sch 140 700 15,900 G,000#11C Il in. Sch 160 2,270 1.515 jMi

9 12 in. Sch 140 700 15,900 G,000# llc 2 in. Sch 160' 2,260 1.475

[$

i 2

i 12 in. Sch 140 700 15,900 SWB 1} in. Sch 160 2,400

.925 0

i e :..

l 12 in. Sch 140 700 16,900 SWB

1) in. Sch 160 2,480

.605

$Q "Y

l 12 in. Sch 140 700 15,900 SWB 2 in. Sch 160 2,480

.623 U

E ha i

? 8 2

M l

c s

1

~

J.

l lli i!!

i

,I l il G$3g1e:=.

9\\-

= 0?

Go~

R$Oa3 c

83 2033"

e. G O% G r

I O

2O

^

r

)

d s

1 4

8 1

2 6

2 e

e 3

4 8

8 6

4 9

r h

6 i

'c 7

5 5

5 9

G.

u n

1 1

1 q

I e

(

R ng ise 8

D e")

8 0

0 0

l I

b S

7 1

0 8

1 9

8 w"P 4,

3, 3,

2 E

a 4,

4, 4,

R

(

2 2

2 U

o S

ll SE A

R P

o l

I u

S e

d O

0 0

P p

e G

6 6

6 G

i h

I 1

1 1

1 0

P c

0 S

h h

h 5,

h c

c c

c d

S S

S 2

n n

a a

R r

n n

n e

i i

i D

B z

P 1

j i

2

}

2 iS l

l 1

}

S

)d E G

O EuL el i n

e LiA t

p C

C C

C Bn V i

I I

Ao P

I I

T (c 2 f

f f

D B

B r

g 0

0 0

0 n

0 0

W W

W D

i 0,

0, 0,

0, S

S S

t E

t i

R F

G G

6 6

I UQ ER F

0 0

0

)

g 0

0 0

O ms 0,

0, 9

0, 0,

9, 0,

Y Sp

(

5 5

5 R

1 1

1 AM M

er US u

t ar e

e p

py) 0 0

0 0

iP mO(

7 7

7 e

n T

u 4

H e

lu de 0

0 0

h 4

4 4

O c

1 1

1 S

h h

h d

c c

c n

S S

S a

e n

n n

i i

i z

i 4

4 4

S 1

1 1

g"

. ljli j

i

\\

i ll l

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