ML20126L343

Forwards Table of Structures,Sys & Components Requiring Classification W/Respect to Quality Group & Const Code Stds, Per SEP Topic III-1.Requests Completion of Table & Verification of Existing Data within 30 Days

ML20126L343
Person / Time
Site:	Millstone
Issue date:	05/22/1981
From:	Crutchfield D Office of Nuclear Reactor Regulation
To:	Counsil W NORTHEAST NUCLEAR ENERGY CO.
References
TASK-03-01, TASK-3-1, TASK-RR LSO5-81-05-043, LSO5-81-5-43, NUDOCS 8106020357
Download: ML20126L343 (16)

Text

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May 22, 1981

/

Docket No. 50-245 h4 LS05-81-05-043 Af all/f[

JUf/ 0 l 1981 A ;Q Mr. W. G. Couns11, Vice President 2

Nuclear Engineering and Operations 8

u4 Northeast Nuclear Energy Company M

g Post Office Box 270 J

Hartford, Connecticut 06101 k

Dear Mr. Counsi.1.:

g

SUBJECT:

CLASSIFICATION OF STRUCTURES, SYSTEMS AND COMPONENTS, SEP TOPIC III-1 (MILLSTONE 1)

Enclosed is a table of structures, systems and components for which classifica-i tion with respect to quality group and construction code standards is required.

L Seismic classification is being addressed as part of the overall seismic m

design reevaluation.

Electrical power distribution systems and instrumentation such as sensors and actuation devices are not addressed here for quality group, but will be considered for seismic adequacy.

You are requested to complete the following table and verify whether the data already entered is correct.

Furthermore, we request the following information:

1) For all systems and components supply the classification being used for Section XI testing.

2) Provide any supplemental quality assurance which was performed during con-struction such as testing, non-destructive examination, material trace-ability, etc. which would assist us in our review.

Your response is requested in 30 days.

Sincerely, Dennis M. Crutchfield, Chief Operating Reactors Branch No. 5 Division of Licensing O

Enclosure:

As st ted 810602Oc osure:

See next page

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NUCLEAR REGULATORY COMMISSION 7,

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May 22, 1981

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Docket No. 50-245 LS05 05-043 Mr. W. G. Counsil, Vice President Nuclear Engineering and Operations Northeast Nuclear Energy Company Post Office Box 270 Hartford, Connecticut 06101

SUBJECT:

CLASSIFICATION OF STRUCTURES, SYSTEMS AND COMPONENTS, SEP TOPIC III-l (MILLSTONE 1)

Enclosed is a table of structures, systems and components for which classifica-tion with respect to quality group and construction code standards is required.

- Seismic classification is being addressed as part of the overall seismic

-design reevaluation.

Electrical -power distribution systems.and instrumentation such as sensors and actuation devices are not addressed here for quality group, but will be considered for seismic adequacy.

You are requested to complete the following table and verify whether the data

' already entered is correct.

Furthermore, we request the following information:

1)' For all systems and components supply the classification being used for Section XI testing.

2) Provide any supplemental quality assurance which was performed during con-struction such as testing, non-destructive examination, material trace-ability, etc. which would assist us in our review.

Your response is requested in 30 days.

Sincerely, enn Crutchfield, Chi Operating Reactors Branch No. 5 1

Division of Licensing

Enclosure:

As stated cc w/ enclosure:

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MILLSTONE 1 TABLE OF CONTENTS TITLE PAGE 1.

Structures....

3 2.

Reactor Coolant System...................

2 3.-

Recirculation System....................

3 4.

Emergency Systems Isolation Condenser..................

!3 Standtiy Liquid Control System.............

'4 I

Core Spray System....................

4 Low Pressure Coolant Injection /.

Containment Coolant-Subsystem.............

5 Feedwater Coolant Injection..............

Automatic Pressure Relief Subsystem..........

f66

5..

Standby Gas Treatment System.......... ;.....

! 7 6.

Safety Valves.......................

I 7.

Relief Valves.......................

I 7 7

'8.

Reactor Coolant Pressure Boundary.............

7 9.

Isolation Valves......................

7

10. Containment Penetrations..................

8

11. Control Rods........................

8

12. Control Rod Drive Housing..................

8

13. Control Rod Drive Housing Supports.............

8

14. Control Rod Drive System...................

8

15. Spent Fuel Storage Facilities...............

8

16. Turbine Stop Valve Housing.................

g

17. Reactor Vessel Head Cooling System.............

g

18. Main Steam System.....................

110

19.. Condensate Storage Tank..................

Il0

20.. Reactor Water Cleanup System................

!10

21. Reactor Shutdown Cooling System..............

10

22. Reactor Building Closed Cooling Water System.......................

23. Condensate Demineralizer System..............

-))

24. Compressed Air System...................

!)))

)

26. Standby Diesel Generator System..............

12

26. Gas Turbine System.....................

12

27. Service Water System....................

12

28. Emergency Service Water System...............

12

29. Turbine Bldg. Secondary Cooling Water System........

12

30. Standby Electric Power Systems....................

13 31.

Instrumentation and Controls................

},

13

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Quality Group Seismic Classification j

R.G. 1.26 Plant Section XI R.G. 1.29 Plant Comix>nents/ Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 Design Remarks 4

i j

1.. Structures 1

I Reactor building Seismic Catsgory Class I-I (R.G. 1.29, (FSAR Sec.

j C.I.o) 12.1.1.4) j i)rywell, suppression ASME III ASME III

?

Seismic Category Class 1 chainber vents and MC Class B (FSAR I (R.G. 1.29, (FSAR Sec.

.t penatrations (primary Sec. 12.1.1.3 C.1.g. C.I.o) 12.1.1.4) containment) and Table 5.2.1) k Control Room 7

Seismic Category Class I

~

I (R.G. 1.29, C.1.n)

Stack Non seismic Class I-Standby gas treat-ment system is non-seismic Cat.

j I (SRP 11.3). No i

j requirement that stack be seismic i

qualified i

Turbine building Non seismic.

ClaLs I

• (Portions housing Category I (fSAR Sec.

Class I equipment)

(OBE) 12.1.1.4) t 3

i!.

c 1

4 j

a__

- - + -

i 1

4 1

1

- 2 of 13 s

Quality Group Seismic Classification-j

{

R.G. 1.26 Plant Section XI R.G. 1.29 Plant j

'p[ponents/ Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 Design Remarks j

?

i l

i

. Portions are j.

i

}

Hadioactive waste Non seismic hullding Category I Class I cr j

(OBE),(BTP Class II ETSB 11-1. Sec.'

- V Rev. 1) 1 i

9

, intake structure Seismic Category-Class I Ultimate heat

.~

I (R.G.*l.29.-

(FSAR Sec.

sink should be

'g C.I.9) 12.1.1.4) seismic Cate-

• 1 gory I i

Seismic Category

?

Ultimate heat i

t Discharge structure I (R.G. 1.29 sink should be i

i C.I.9) seismic Cate-gory I I

Gas turbine building Seismic Cateoory Class I I

(FSAR Sec.

12.14.4) 2.

Reactor Coolant System

}

Reactor vessel ASME Sec.

ASME BPV 7

Seismic Category Class I i

Class 1 Sec. III I

(FSAR Sec.

Class A 12.1.1.4)

Reactor vessel supports Seismic Category Class 1 d

I (FSAR Sec.

12.1.1.4) s 1

Reactor vessel internals ASME Sec.

ASME BPV

?

Seismic Category Class I All recctor 1

Class 1 Sec. III I ~

(FSAR Sec.

vessel internals l-Class A 12.1.1.4) identified in FSAR Sec.

j d

12.1.1.2 l;

l 4

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3 of 13' 3

i Quality Group Seismic Classification i

R.G. 1.26 Plant Section XI R.G. 1.29 Plant Components / Subsystems

.SRP 3.2.2 Design Classification' SRP 3.2.1 Design Remark s

.i 3.

Recirculation System Piping ASME Sec. Ill ASME BPV

?

Seismic Category Class 1' Class 1 Sec. I and I (R.G.-1.29)

(FSAR Sec.

USAS B31.1.0 12.1.1.4)

. Valves ASME Sec. Ill ASME BPV

?

Seismic category Class'I i'

Class 1 Sec. I and I (R.G. 1.29) '

.(FSAR Sec.

USAS B31.1.0 12.1.1.4 ) -

t Pumps,

ASME Sec. III ASME Sec. III

?

Seismic Cat gory Class.I Class 1 Class C I (R.G. 1.29),

(FSAR Sec.

Sec. C.I.a) 12.1.1.4)-

4.

Emergency Systens Isolation condenser Stiell, side ASME Sec. Ill ASME Sec. VIII

?

Seismic Category Class I

-(FSAR Sec.

Class 3 (R.G.

I (R.G. 1.29 1.26. Sec. C.2.b)

Sec. C.I.d) 12.1 J.4)

}

Tube ilde ASME Sec. III ASME Sec. III

?

Selenic Category Class I Class 2 (R.G.

I (R.G. 1.29, (FSAR Sec.

{

1.26, Sec. C.I.b)

Sec. C.I.d) 112.1.1.4)

I j

Piping, fittings valves ASME Sec. III ASME Sec. III

?

Seismic Category Class I (tube side)

Class 2 (R.G.

I (R.G. 1.29, (FSAR Sec.

l.26, Sec. C.1.b)

Sec. C.I.d) 12.1.1.2) i M

j

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=m 4.

i o, _ _ _

r.

-~

4 of 13 Quality Group Seismic Classification R.G. 1.26 Plant Section XI' R.G. 1.29 Plant 4

components / Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 Design Remarks itandby liquid control

_ system elping and valves ASME Sec. Ill

?

?

Seismic Category Class 1 beyond isolation Class 2 I (R.G. 1.29, (FSAR,Sec.

4 valves Sec. C.I.m) 12.1.1.4)

BLC Tank ASME Sec. III

?

?

Seismic Ca*egory Class !

Class 2 I (R.G. 1.29, (FSAR Sec.

Sec. C.l.m) 12.1.1.4)

Punos.

ASME Sec. Ill

?

?

Seismic Category Class I Class 2 I (R.G. 1.29, (FSAR,Sec.

Sec. C.l.m) 12.1.1.4)

Core spray system Puuips ASME Sec. til ASME Sec. Ill

?

Seismic Category Class !

Class 2 (R.G.

Class C I (R.G. 1.29, (FSAR,Sec.

1.26, Sec. C.I.a)

Sec. C.I.e) 12.1.1.4)

Piping, fittings, ASME Sec. III USAS B31.1.

?

Seismic Cat egory Class I and valves Class 2 (R.G.

I (R.G. 1.29, (FSAR, Sec.

1.26, Sec. C.I.a)

Sec. C.I.c) 12.1.'. 4)

Spray neader and ASME Sec. III

?

?

Seismic Category Class I spargers Class 2 (R.G.

I (R.G. 1.29, (FSAR Sec.

1.26, Sec. C.I.a)

Sec. C.I.c) 12.1.1.4) t A

4 eMe

l j

,1 -

i I

4 5 of 13 Quality Group Seismic Classification l

R.G. 1.26 Plant Section XI R.G. 1.29 Plant'

. I j

Comnonents/ Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 Design Remarks 1ow pressure coolant a

gin 'ection/ containment 7

coolant subsystem we 4

}

Pumps ASME Sec. Ill ASME Sec. Ill

?-

Seismic Category Class !

- t Class 2 (R.G.

Class C 1 (R.G. 1.29,.

(FSAR,Sec.

m 1.26 Sec. C.I.a)

.Sec. C.I.c) 12.1.1.2) :

l Piping. fittings ASME Sec. III USAS B31.1

?

Seismic Category Class I~

^

and valves Class 2 (R.G.

I (R.G. 1.29, (FSAR,Sec.

1.26 Sec. C.I.a)

Sec. C.1.c)_

12.1.1.2) l Containment and ASME Sec. Ill

?

?

Seismic Category Class I.

suppression spray Class 2 (R.G.

1 (R.G. 1.29, (FSAR,Sec.

headers 1.26, Sec. C.).a)

Sec. C.I.c) 12.1.1.2)

{

l' eat' exchangers -

ASME Sec. III ASME Sec. 111

?

Seismic Category Ciass I 1

tube side Class 2 (R.G.

Class C

-1 (R.G. 1.29, (FSAR,Sec.

l 1.26, Sec. C.I.a)

Sec C.I.c) 12.1.1.2) m l

Ileat' exchangers ASME Sec. 111 ASME Sec. 111

?

Seismic Category Cists 1 shell side Class 3 (R.G.

Class C I (R.G. 1.29, (FSAR,Sec.

4

{,

1.26, Sec. C.I.a)

Sec. C.I.c) 12.1.1.2) 4 i

i containment cooling ASME Sec. III

?

~

?

Seismic Category Class I subsystem Class 3 I (R.G. 1.29, (FSAR,Sec.

I Sec C.I.c) 12.1.1.4)

Pumps ASME Sec. III

?

?

Seismic Category Class I Class 3 I (R.G. 1.29 (FSAR,Sec.

Sec. C.1.c) 12.1.1.4) s I

6 of 13 Quality Group Seismic Classification R.G. 1.26 Plant Section XI R.G. 1.29 Pl ant i:omponents/Subsystens SRP 3.2.2 Design Classification SRP 3.2.1 Design Remarks feedwater coolant injection Piping, fittings ASME Sec. III

?

?

Seismic Category Class I sid valves Class 2 (R.G.

I (R.G. 1.29, (FSAR,Sec.

1.26, Sec. C.I.a)

Sec. C.I.a) 12.1.1.4)

Spargers (feedwater ASME Sec. 111 ASME Sec. III

?

Seismic Category Class I cp..rgers used)

Class 2 (R.G.

Class A I (R.G. 1.29, (FSAR,Sec.

1.26, Sec. C.l.a)

Sec C.I.a) 12.1.1.4)

I.W. heat exchangers ASME Sec. III

?

?

Seismic Category Class I tube side Class 2 I (R.G. 1.29, (FSAR, Sec.

Sec. C.I.a) 12.1.1.4) lumps (condensate, ASME Sec. III ASME Sec. VIII

?

Seismic Category Class I condensate booster, Class 2 I (R.G. 1.29 (FSAR,Sec.

f eedwater, condensate Sec. C.I.a) 12.1.1.4) transfer)

Condenser hotwell, ASME Sec. III

?

?

Seismic Category Class I piping and valves fran Class 2 I (R.G. 1.29, (FSAR, Sec.

Lond.,Ilotwell to the Sec. C.I.a) 12.1.1.4) reactor vessel Automatic pressure ASME Sec. III

?

?

Seismic Category

?

relief subsystem Class 1 I

(ADS) 1 I

WN4

7 of 13 Quality Group Seismic Classification R.G. 1.26 Plant Section XI R.G. 1.29 Pl ant Components / Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 Design Remarks S.

. Standby Gas Treat-ASME Sec. III

?

?

Seismic Category Class I System provide ment Systen Class 2 I

(FSAR,Sec, secondary con-12.1.1.4) tainment vacumm. No inerting func-tion. Prevent escape of radioactivity 6.

Safety vtives ASME Sec. III ASME Sec. III

?

Seismic Category Class I Class 1 USAS 831.1.0 I (R.G. 1.29, (FSAR,Sec.

Sec. C.I.a) 12.1.1.4) 7.

Relief Valves ASME Sec. III USAS B31.1.0

?

Seismic Category Class I Class 1 I (R.G. 1.29, (FSAR,Sec.

Sec C.I.a) 12.1.1.4) 8.

Reactor Coolant Pressure Boundary Piping from reactor ASME Sec. III ASME BPV

?

Seismic Category Class I vessel up to and Class 1 Sec. I & III I (R.G. 1.29, (FSAR,Sec.

including first isola-USAS 831.1.0 Sec. C.I.a) 12.1.1.4) tion valve external to e

drywell

g. Isolation Valves (Other than valves ASME Sec. III

?

?

Seismic Category Class I identified under Item Class 1 I (R.G. 1.29, (FSAR,Sec.

8)

Sec. C.I.a) 12.1.1.4) i Y

1

8 of 13 Quality Group Seismic Classification R.G. 1.26 Plant Section XI R.G. 1.29 Pl ant

- Components / Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 Design Rema-k s

10. Containment ASME Sec. 111

?

?

Seismic Category

?

Penetrations Class 2 I

Valves and Piping

11. Control Rods Seismic Category Class !

I (R.G. 1.29, (FSAR,Sec.

Sec. C.I.m) 12.1.1.4)

<. 12. Control Rod Drive ASME Sec. III

?

?

Seismic Category Class I Housing C, lass 1 I (R.G. 1.29 (FSAR,Sec.

Sec. C.l.a) 12.1.1.4) l3. Control Rod Drive Seismic Category Class I Housinq Supports I (R.G. l.29, (FSAR, Sec.

Sec. C.2) 12.1.1.4)

14. Control Rod Drive ASME Sec. III

?

?

Seismic Category Class I Only portions of Systen Class 2 I (R.G. 1.29, (FSAR,Sec.

CRD system pip-(See remarks)

Sec. C.I.m) 12.1.1.4) ing and valves required for control rod insertion and withdrawal

15. Spent fuel Storage 4

Facilities ASME Sec. III

?

?

Seismic Category Class I Spent fuel Pool Class 3 (R.G.

I (R. G. 1.29, (FSAR,Sec.

12.6, Sec. C.2.a)

Sec. C.I.d) 12.1.1.4)

MHO

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i

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t i

j 9 of 13 y

s Quality Group Seismic Classification R.G. 1.26.

Plant Section XI R.G.'1.29 Plant t

Components / Subsystems SRP 3.2.2

. Design Classification SRP 3.2.1 Design Remarks 1

?

4 Pumps ASME Sec. Ill

.?

?

Seismic Category..

Class I-I Class 3 (R.G.

I (R.G. 1.29.-

(FSAR,Sec.

j 12.6,' Sec. C.2.a)

Sec. C.I.d)

. 12.1.1.4) d j

lleat exchangers ASME Sec. III

?

?

' Seismic Category Class I 1

Class 3 (R.G.

' I (R.G. 1.29, (FSAR,Sec.

1.26 Sec. C.2.a)

Sec. C.1.-d) 12.1.1.4)

I Piping, fittings ASME Sec. III

?

?

Seismic Category Class I 8

and valves Class 3 (R.G.

I (R.G. 1.29,'

(FSAR,Sec.

l'.26.Sec. C.2.a)

Sec. C.I.d) 12.1.1.4).

~

?

Seismic Category' (FSAR,Sec.

ers ASME Sec. III

?

Class I Class 3 (R.G.

I (R.G. 1.29,

}

1.26, Sec. C.2.a)

Sec. C.I.d)-

12.1.1.4)

16. Turbine Stop Valves a

1 llousing Seismic Category.

Class II i-l I (R.G. 1.29,

' Sec. C.I.e) i 1

j

17. Reactor Vessel _ Head ASME Sec. III

?

?

Non seismic Class I Cooling systen Class 3 (R.G.

3 Category 1 (OBE) i 1.26, Sec. C.2.a) 1 e

i i

1 4'

l

-=4 1

v-r a

v m

1 1-j:

i

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l' r

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- +. )

a

]

i 10 of'13-i

~

~

Quality Group Seismic Classification R.G. 1.26 Plant Section XI R.G. 1.29 Plant-components / Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 -

Design Remarks t

i I8. Main Steam System Irom outermost containment ASME Sec. !!!

?

?

Seismic Category' Class II l'

' isolation valve up to Class 2 (R.G.

I (R.G. 1.29,

?

turbine stop and bypass 1.26 Sec. C.1.c)

Sec. C.).e) talves and connected F

i siiping up to and l

including first valve I

i k9. Condensate Storage ASME Sec. III

'?

?

~ Seismic Category Class I Primary source i

Tank Class 3 (R.G.

I (R.G. 1.29, of water to 1.26, Sec. C.) a Sec. C.).d) condenser hot-l

& b) See remarks well which is i

required during~

i FWCI

[

20. Reactor Water Clean-ASME Sec. Ill

?

?

Non seismic Class II up system Class 3 (R.G.

Category 1 (OBE)

(fSAR,Sec.

1.26, Sec. C.I.e) 12.1.1.4)-

l

' cob ing System Class 2 (R.G.

Class C

' ?

Seismic Category

' Class II

21. Reactor Shutdown ASME Sec. III ASME Sec. III I (R.G. l.29, (FSAR,Sec.

[

1.26, Sec. C.I.b)

Sec. C.1.d) 12.1.1.4) -

Ileat exchanger f

tube ASME Sec. III ASME Sec. Ill

?

Seismic Category Class II i

4 Class 2 Class C 1

i i

shell ASME Sec. III ASME Sec. VIII

?

Seismic Category' Class !!

L Class 3 I

i I

l

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a l

,I..

4 1

I i

f.

i

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11 of 13 l

1

.j 1

-l Seismic' Classification l

i 2

A Quality Group R.G. 1.29.

Plant Remarks Plant Section XI SRP 3.2.1 Design

'R.G. 1.26 Classification SRP 3.2.2 Design-Comhonents/ Subsystems d

i i

3 22.. Reactor Building Closed j

Cooling Water System.

')

I!

' Seismic' Category Class I ASME Sec. III

?

?

I Pumps Class 3 (R.G.

i 1.26, Sec. C.2.b)

Seismic Category Class I-j ASME Sec. III.

ASME Sec. VIII

?

I iteat exchangers Class 3 (R.G.

TEMA CL.R 1.26, Sec. C.2.b)

Seismic Category Class I i

ASME Sec. III

?

?-

I (R.G. 1.29, i

Piping, fittings, Class 3 (R.G.

Sec. C.I.9)

~

and valves 1.26, Sec. C.2.b)

Seismic Catejory.

-Class I

?.

23. Condensate Deminera-

. ASME Sec. III

?

I 4

Class 2 lizer System _

~ Class I Portions of air l

?

See remarks systons required 1

Air Compressors and Hot covered by

?

to perform safety 74.

R.G. 1.26 SRP function (i.e.,

, Receivers 3.2.2 req's air gas or air supply t-sys. important to ADS and MSI to safety be ASME valves) should be

?

III, Class 3 seismic Category i

i I & Class 3 i

f i

l a

i.

.. ~.

12 of 13 Quality Group Seismic Classification.

R.G. 1.26 Plant Section XI R.G. 1.29 Plant t.

aponents/ Subsystems SRP 3.2.2 Design Classification SRP 3.2.1 Design' Ranarks

'tandby Diesel ASME Sec. III

?

?

Seismic Category Class I

.,. T.enerator Systen Class 3 (R.G.

1 (R.G. 1.29, (FSAR Sec.:

1.26. Sec. C.2)

Sec. C.1.q) 12.1.1.2)

Seismic Cate9 ry ~. Class I 5

... Las lurbine Systaa 1

e i

li. -tervice Water Systen ASME Sec. !!!

, ?

?

Seismic Category Class I Class 3 I

(FSAR. Sec.

12.1.1.4) t i exch..ngens ASME Sec. til AStiE Sec. Vill

?

Seismic Category Class I Class 3 TEMA Class R I

(FSAR,Sec.

12.1.1.4)

Ineryency Service ASME Sec. 111 ASME Sec. VIII

?

Seismic Category

?

Ilater System Class 3 TEMA Class R I

icat exchangers ASME Sec. 111 ASME Sec. VIII

?

Selsmic Category

?

Class 3 TEMA Class R I

5

?

Seismic Category Class I 19.

Turbine Bido. Secondary ASME Sec. 111

?

l oolinq Water System Class 111 I

l licat exchangers ASME Sec. III ASME Sec. Vill

?

Seismic Category Class I Class.III TEta Class R I

9 l

l g

t

.G.d.

,.,m.u

~~' '~'

e 4

13 of 13 Quality Group Seismic Classification R.G. 1.26 Plant Section XI R.G. 1,29 Plant Components / Subsystems SRP 3.2.2 Design Classification

'SRP 3.2.1 Design Remarks

30. Standby Electric Power Systems Station batteries Seismic Category 1 Class I tmergency guses and other

..lectrical gear and power to critical equipnent 31.

Instrumentation and Controls Reactor level instrumentation Seismic Category 1 Class I feedwater control instrunen-tation Standby liquid control systen

, instrumentation I4anual reactor control system Control rod instrumentation Control rod position indicating

. system Reactor protection system fleutron monitor system s

In-cor neutron monitor systen preamonitors Process monitors 1

i Md

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LNCLOSURE 2 Qt'AI. lT) STANDARDS NRC QUALITY GROUP A HRC QUAllTY GROUP B NRC QllAl. TTY Gli0tlP C NRC QUAllTY GROUP 0 ASME Boller and Pressure Vessel Code, Sect.fon ill x

ASME. Sec. VIII ',

Class I

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/

(pressure vessels)

Class 2 ANSI B31.1.0 Class 3 (ptping and valves) o r' Mfg. Stds. (pumps) or ASME Boller and. Pressure Vessel Code,Section III l

~/

~

Class A Class C (pressure vessels)

(pressure vessels)

NRC Quality Group A equivalent to Licensee Safety Class I i.

[

NRC Quality Group B equivalent to Licensee Safety Class 2 1

Also seismic Category I NRC Quality Group C equivalent to Licensee Safety Class 3

)

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IIRC Quality Group D equivalent to Licensee Safety Class 4 oNot always selsmic Cate9 cry I I

r NNS

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Hon-seismic Category I 1'

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k

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